FLOWS & VELOCITIES
Philadelphia Water Department
FLOWS & VELOCITIES
Water & Sewer Design Manual
Appendix
VIII
a – Velocities & Flow Capacities for Pipe Sewers • 60” RC Pipe • 10” VC Pipe • 12” VC Pipe • 66” RC Pipe • 15” VC Pipe • 72” RC Pipe • 18” RC Pipe • 78” RC Pipe • 21” RC Pipe • 84” RC Pipe • 24” RC Pipe • 90” RC Pipe • 27” RC Pipe • 96” RC Pipe • 30” RC Pipe • 102” RC Pipe • 36” RC Pipe • 108” RC Pipe • 42” RC Pipe • 114” RC Pipe • 48” RC Pipe • 120” RC Pipe • 54” RC Pipe
Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 1.274 1.801 2.206 2.547 2.848 3.120 3.370 3.603 3.821 4.028 4.225 4.412 4.593 4.766 4.933 5.095 5.252 5.404 5.552 5.696 5.837 5.974 6.109 6.240 6.369 6.495 6.619 6.740 6.859 6.977 7.092 7.205 7.317 7.427 7.536 7.642 7.748 7.852 7.955 8.056 8.156 8.255 8.352 8.449 8.545 8.639 8.732 8.825 8.916 9.007
Water Sewer Design Manual Velocity and Capacity for 10" VC Pipe A= 0.545
(CFS) 0.695 0.982 1.203 1.389 1.553 1.702 1.838 1.965 2.084 2.197 2.304 2.407 2.505 2.599 2.691 2.779 2.864 2.947 3.028 3.107 3.184 3.259 3.332 3.403 3.474 3.542 3.610 3.676 3.741 3.805 3.868 3.930 3.991 4.051 4.110 4.168 4.226 4.283 4.339 4.394 4.448 4.502 4.556 4.608 4.660 4.712 4.763 4.813 4.863 4.912
CAPACITY (MGD) 0.449 0.635 0.778 0.898 1.004 1.100 1.188 1.270 1.347 1.420 1.489 1.555 1.619 1.680 1.739 1.796 1.851 1.905 1.957 2.008 2.057 2.106 2.153 2.200 2.245 2.289 2.333 2.376 2.418 2.459 2.500 2.540 2.579 2.618 2.656 2.694 2.731 2.768 2.804 2.840 2.875 2.910 2.944 2.978 3.012 3.045 3.078 3.111 3.143 3.175
(GPM) 312 441 540 624 697 764 825 882 935 986 1,034 1,080 1,124 1,167 1,208 1,247 1,286 1,323 1,359 1,394 1,429 1,462 1,495 1,527 1,559 1,590 1,620 1,650 1,679 1,708 1,736 1,764 1,791 1,818 1,845 1,871 1,897 1,922 1,947 1,972 1,996 2,021 2,045 2,068 2,092 2,115 2,138 2,160 2,183 2,205
HR= 0.208 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 9.096 9.185 9.273 9.360 9.446 9.532 9.617 9.701 9.784 9.866 9.948 10.029 10.110 10.190 10.269 10.348 10.426 10.504 10.581 10.657 10.733 10.808 10.883 10.957 11.031 11.104 11.177 11.249 11.321 11.393 11.464 11.534 11.604 11.674 11.743 11.812 11.881 11.949 12.016 12.084 12.151 12.217 12.284 12.349 12.415 12.480 12.545 12.609 12.674 12.737
(CFS) 4.961 5.010 5.058 5.105 5.152 5.199 5.245 5.291 5.336 5.381 5.426 5.470 5.514 5.558 5.601 5.644 5.687 5.729 5.771 5.812 5.854 5.895 5.936 5.976 6.016 6.056 6.096 6.136 6.175 6.214 6.252 6.291 6.329 6.367 6.405 6.443 6.480 6.517 6.554 6.591 6.627 6.664 6.700 6.736 6.771 6.807 6.842 6.877 6.912 6.947
CAPACITY (MGD) 3.206 3.238 3.269 3.299 3.330 3.360 3.390 3.419 3.449 3.478 3.507 3.535 3.564 3.592 3.620 3.648 3.675 3.702 3.729 3.756 3.783 3.810 3.836 3.862 3.888 3.914 3.940 3.965 3.991 4.016 4.041 4.066 4.090 4.115 4.139 4.164 4.188 4.212 4.236 4.259 4.283 4.306 4.330 4.353 4.376 4.399 4.422 4.445 4.467 4.490
Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page
(GPM) 2,227 2,248 2,270 2,291 2,312 2,333 2,354 2,375 2,395 2,415 2,435 2,455 2,475 2,494 2,514 2,533 2,552 2,571 2,590 2,609 2,627 2,646 2,664 2,682 2,700 2,718 2,736 2,754 2,771 2,789 2,806 2,823 2,841 2,858 2,875 2,891 2,908 2,925 2,941 2,958 2,974 2,991 3,007 3,023 3,039 3,055 3,071 3,087 3,102 3,118
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 1.438 2.034 2.491 2.877 3.216 3.523 3.806 4.068 4.315 4.549 4.771 4.983 5.186 5.382 5.571 5.753 5.931 6.102 6.270 6.433 6.591 6.747 6.898 7.047 7.192 7.334 7.474 7.611 7.746 7.878 8.008 8.137 8.263 8.387 8.509 8.630 8.749 8.867 8.983 9.097 9.210 9.322 9.432 9.541 9.649 9.755 9.861 9.965 10.069 10.171
Water Sewer Design Manual Velocity and Capacity for 12" VC Pipe A= 0.785
(CFS) 1.130 1.598 1.957 2.259 2.526 2.767 2.989 3.195 3.389 3.572 3.747 3.913 4.073 4.227 4.375 4.519 4.658 4.793 4.924 5.052 5.177 5.299 5.418 5.534 5.648 5.760 5.870 5.978 6.084 6.188 6.290 6.390 6.490 6.587 6.683 6.778 6.872 6.964 7.055 7.145 7.234 7.321 7.408 7.494 7.578 7.662 7.745 7.827 7.908 7.988
CAPACITY (MGD) 0.730 1.032 1.265 1.460 1.633 1.788 1.932 2.065 2.190 2.309 2.421 2.529 2.632 2.732 2.828 2.920 3.010 3.097 3.182 3.265 3.346 3.424 3.501 3.577 3.650 3.723 3.794 3.863 3.932 3.999 4.065 4.130 4.194 4.257 4.319 4.381 4.441 4.501 4.559 4.617 4.675 4.732 4.788 4.843 4.898 4.952 5.005 5.058 5.111 5.162
(GPM) 507 717 878 1,014 1,134 1,242 1,341 1,434 1,521 1,603 1,682 1,756 1,828 1,897 1,964 2,028 2,090 2,151 2,210 2,267 2,323 2,378 2,432 2,484 2,535 2,585 2,634 2,683 2,730 2,777 2,823 2,868 2,913 2,956 2,999 3,042 3,084 3,125 3,166 3,207 3,246 3,286 3,325 3,363 3,401 3,439 3,476 3,513 3,549 3,585
HR= 0.250 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 10.272 10.372 10.471 10.570 10.667 10.764 10.859 10.954 11.048 11.142 11.234 11.326 11.417 11.507 11.596 11.685 11.774 11.861 11.948 12.034 12.120 12.205 12.289 12.373 12.457 12.539 12.622 12.703 12.784 12.865 12.945 13.025 13.104 13.183 13.261 13.339 13.416 13.493 13.570 13.646 13.721 13.796 13.871 13.945 14.019 14.093 14.166 14.239 14.312 14.384
(CFS) 8.068 8.146 8.224 8.301 8.378 8.454 8.529 8.603 8.677 8.751 8.823 8.895 8.967 9.038 9.108 9.178 9.247 9.316 9.384 9.452 9.519 9.586 9.652 9.718 9.783 9.848 9.913 9.977 10.041 10.104 10.167 10.230 10.292 10.354 10.415 10.476 10.537 10.597 10.657 10.717 10.777 10.836 10.894 10.953 11.011 11.069 11.126 11.183 11.240 11.297
CAPACITY (MGD) 5.214 5.265 5.315 5.365 5.414 5.463 5.512 5.560 5.608 5.655 5.702 5.749 5.795 5.841 5.886 5.931 5.976 6.020 6.065 6.108 6.152 6.195 6.238 6.280 6.323 6.365 6.406 6.448 6.489 6.530 6.571 6.611 6.651 6.691 6.731 6.771 6.810 6.849 6.888 6.926 6.965 7.003 7.041 7.078 7.116 7.153 7.191 7.227 7.264 7.301
(GPM) 3,621 3,656 3,691 3,726 3,760 3,794 3,828 3,861 3,894 3,927 3,960 3,992 4,024 4,056 4,088 4,119 4,150 4,181 4,212 4,242 4,272 4,302 4,332 4,361 4,391 4,420 4,449 4,478 4,506 4,535 4,563 4,591 4,619 4,647 4,674 4,702 4,729 4,756 4,783 4,810 4,837 4,863 4,889 4,916 4,942 4,968 4,993 5,019 5,045 5,070
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 1.669 2.360 2.891 3.338 3.732 4.088 4.416 4.721 5.007 5.278 5.536 5.782 6.018 6.245 6.464 6.676 6.882 7.081 7.275 7.464 7.649 7.829 8.005 8.177 8.345 8.511 8.673 8.832 8.988 9.142 9.293 9.442 9.588 9.732 9.874 10.014 10.153 10.289 10.423 10.556 10.687 10.817 10.945 11.071 11.197 11.320 11.443 11.564 11.684 11.802
Water Sewer Design Manual Velocity and Capacity for 15" VC Pipe A= 1.227
(CFS) 2.048 2.897 3.548 4.097 4.580 5.017 5.419 5.793 6.145 6.477 6.793 7.095 7.385 7.664 7.933 8.193 8.445 8.690 8.928 9.160 9.386 9.607 9.823 10.034 10.241 10.444 10.643 10.838 11.030 11.219 11.404 11.587 11.766 11.943 12.118 12.290 12.459 12.626 12.791 12.954 13.115 13.274 13.431 13.587 13.740 13.892 14.042 14.191 14.338 14.483
CAPACITY (MGD) 1.324 1.872 2.293 2.647 2.960 3.242 3.502 3.744 3.971 4.186 4.390 4.586 4.773 4.953 5.127 5.295 5.458 5.616 5.770 5.920 6.066 6.209 6.348 6.485 6.619 6.750 6.878 7.005 7.129 7.250 7.370 7.488 7.604 7.719 7.831 7.942 8.052 8.160 8.267 8.372 8.476 8.579 8.680 8.781 8.880 8.978 9.075 9.171 9.266 9.360
(GPM) 919 1,300 1,592 1,839 2,056 2,252 2,432 2,600 2,758 2,907 3,049 3,184 3,314 3,440 3,560 3,677 3,790 3,900 4,007 4,111 4,213 4,312 4,409 4,503 4,596 4,687 4,777 4,864 4,950 5,035 5,118 5,200 5,281 5,360 5,438 5,516 5,592 5,667 5,741 5,814 5,886 5,957 6,028 6,098 6,167 6,235 6,302 6,369 6,435 6,500
HR= 0.313 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 11.920 12.036 12.151 12.265 12.378 12.490 12.601 12.711 12.820 12.929 13.036 13.142 13.248 13.353 13.457 13.560 13.662 13.764 13.864 13.964 14.064 14.163 14.261 14.358 14.455 14.551 14.646 14.741 14.835 14.929 15.022 15.114 15.206 15.297 15.388 15.478 15.568 15.657 15.746 15.834 15.922 16.009 16.096 16.182 16.268 16.354 16.438 16.523 16.607 16.691
(CFS) 14.628 14.770 14.912 15.052 15.190 15.328 15.464 15.599 15.733 15.866 15.997 16.128 16.258 16.386 16.514 16.640 16.766 16.890 17.014 17.137 17.259 17.380 17.500 17.620 17.738 17.856 17.973 18.090 18.205 18.320 18.434 18.548 18.661 18.773 18.884 18.995 19.105 19.214 19.323 19.432 19.539 19.646 19.753 19.859 19.964 20.069 20.173 20.277 20.380 20.483
CAPACITY (MGD) 9.453 9.546 9.637 9.727 9.817 9.906 9.994 10.081 10.168 10.254 10.339 10.423 10.507 10.590 10.672 10.754 10.835 10.916 10.996 11.075 11.154 11.232 11.310 11.387 11.464 11.540 11.616 11.691 11.766 11.840 11.914 11.987 12.060 12.132 12.204 12.276 12.347 12.418 12.488 12.558 12.628 12.697 12.766 12.834 12.902 12.970 13.037 13.104 13.171 13.237
(GPM) 6,565 6,629 6,692 6,755 6,817 6,879 6,940 7,001 7,061 7,121 7,180 7,238 7,296 7,354 7,411 7,468 7,524 7,580 7,636 7,691 7,746 7,800 7,854 7,908 7,961 8,014 8,066 8,119 8,171 8,222 8,273 8,324 8,375 8,425 8,475 8,525 8,574 8,623 8,672 8,721 8,769 8,817 8,865 8,913 8,960 9,007 9,054 9,100 9,147 9,193
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Philadelphia Water Department
N= 0.015 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 1.633 2.310 2.829 3.267 3.653 4.001 4.322 4.620 4.900 5.166 5.418 5.659 5.890 6.112 6.326 6.534 6.735 6.930 7.120 7.305 7.486 7.662 7.834 8.002 8.167 8.329 8.488 8.644 8.797 8.947 9.095 9.240 9.384 9.525 9.664 9.801 9.936 10.069 10.201 10.331 10.459 10.586 10.711 10.835 10.958 11.079 11.199 11.317 11.434 11.551
Water Sewer Design Manual Velocity and Capacity for 18" RC Pipe A= 1.767
(CFS) 2.887 4.082 5.000 5.773 6.455 7.071 7.637 8.165 8.660 9.128 9.574 10.000 10.408 10.801 11.180 11.546 11.902 12.247 12.582 12.909 13.228 13.539 13.844 14.141 14.433 14.719 14.999 15.275 15.545 15.811 16.072 16.329 16.582 16.832 17.077 17.320 17.559 17.794 18.027 18.257 18.483 18.707 18.929 19.148 19.364 19.578 19.790 19.999 20.206 20.411
CAPACITY (MGD) 1.866 2.638 3.231 3.731 4.171 4.570 4.936 5.277 5.597 5.899 6.187 6.462 6.726 6.980 7.225 7.462 7.692 7.915 8.132 8.343 8.549 8.750 8.947 9.139 9.328 9.512 9.694 9.871 10.046 10.218 10.387 10.553 10.717 10.878 11.037 11.193 11.348 11.500 11.650 11.799 11.945 12.090 12.233 12.375 12.514 12.653 12.789 12.925 13.059 13.191
(GPM) 1,296 1,832 2,244 2,591 2,897 3,173 3,428 3,664 3,887 4,097 4,297 4,488 4,671 4,847 5,017 5,182 5,342 5,496 5,647 5,794 5,937 6,076 6,213 6,347 6,478 6,606 6,732 6,855 6,977 7,096 7,213 7,329 7,442 7,554 7,664 7,773 7,880 7,986 8,090 8,194 8,295 8,396 8,495 8,593 8,691 8,787 8,882 8,976 9,069 9,161
HR= 0.375 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 11.665 11.779 11.892 12.004 12.114 12.224 12.333 12.440 12.547 12.653 12.758 12.862 12.965 13.068 13.170 13.271 13.371 13.470 13.569 13.667 13.764 13.861 13.957 14.052 14.146 14.240 14.334 14.427 14.519 14.610 14.701 14.792 14.882 14.971 15.060 15.148 15.236 15.323 15.410 15.497 15.582 15.668 15.753 15.837 15.921 16.005 16.088 16.171 16.253 16.335
(CFS) 20.615 20.816 21.015 21.212 21.408 21.601 21.793 21.984 22.172 22.360 22.545 22.729 22.912 23.093 23.273 23.451 23.628 23.804 23.978 24.151 24.323 24.494 24.663 24.832 24.999 25.165 25.330 25.494 25.657 25.819 25.979 26.139 26.298 26.456 26.613 26.769 26.925 27.079 27.232 27.385 27.537 27.687 27.837 27.987 28.135 28.283 28.430 28.576 28.721 28.866
CAPACITY (MGD) 13.323 13.453 13.581 13.709 13.835 13.960 14.084 14.207 14.329 14.450 14.570 14.689 14.807 14.924 15.040 15.156 15.270 15.384 15.496 15.608 15.719 15.830 15.939 16.048 16.156 16.263 16.370 16.476 16.581 16.686 16.790 16.893 16.996 17.098 17.199 17.300 17.401 17.500 17.599 17.698 17.796 17.894 17.991 18.087 18.183 18.278 18.373 18.468 18.562 18.655
(GPM) 9,252 9,342 9,431 9,520 9,608 9,695 9,781 9,866 9,951 10,035 10,118 10,201 10,283 10,364 10,445 10,525 10,604 10,683 10,761 10,839 10,916 10,993 11,069 11,144 11,219 11,294 11,368 11,442 11,515 11,587 11,660 11,731 11,803 11,874 11,944 12,014 12,084 12,153 12,222 12,290 12,358 12,426 12,493 12,560 12,627 12,693 12,759 12,825 12,890 12,955
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Philadelphia Water Department
N= 0.015 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 1.810 2.560 3.136 3.621 4.048 4.434 4.790 5.120 5.431 5.725 6.004 6.271 6.527 6.773 7.011 7.241 7.464 7.680 7.891 8.096 8.296 8.491 8.682 8.869 9.051 9.231 9.407 9.579 9.749 9.915 10.079 10.241 10.399 10.556 10.710 10.862 11.012 11.159 11.305 11.449 11.591 11.732 11.871 12.008 12.144 12.278 12.411 12.542 12.672 12.801
Water Sewer Design Manual Velocity and Capacity for 21" RC Pipe A= 2.405
(CFS) 4.354 6.158 7.542 8.708 9.736 10.666 11.520 12.316 13.063 13.769 14.441 15.084 15.699 16.292 16.864 17.417 17.953 18.474 18.980 19.473 19.954 20.423 20.882 21.331 21.771 22.202 22.625 23.041 23.448 23.849 24.243 24.631 25.013 25.389 25.760 26.125 26.486 26.841 27.192 27.539 27.881 28.219 28.553 28.883 29.209 29.532 29.851 30.167 30.480 30.789
CAPACITY (MGD) 2.814 3.980 4.874 5.628 6.292 6.893 7.445 7.959 8.442 8.899 9.333 9.748 10.146 10.529 10.899 11.256 11.603 11.939 12.266 12.585 12.895 13.199 13.496 13.786 14.070 14.349 14.622 14.890 15.154 15.413 15.668 15.919 16.165 16.408 16.648 16.884 17.117 17.347 17.574 17.797 18.019 18.237 18.453 18.666 18.877 19.086 19.292 19.496 19.698 19.898
(GPM) 1,954 2,764 3,385 3,908 4,370 4,787 5,170 5,527 5,863 6,180 6,481 6,769 7,046 7,312 7,569 7,817 8,057 8,291 8,518 8,739 8,955 9,166 9,372 9,574 9,771 9,964 10,154 10,341 10,524 10,704 10,880 11,055 11,226 11,395 11,561 11,725 11,887 12,046 12,204 12,359 12,513 12,665 12,814 12,963 13,109 13,254 13,397 13,539 13,679 13,818
HR= 0.438 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 12.928 13.054 13.179 13.303 13.425 13.547 13.667 13.787 13.905 14.022 14.139 14.254 14.369 14.482 14.595 14.707 14.818 14.928 15.037 15.146 15.254 15.361 15.467 15.573 15.678 15.782 15.885 15.988 16.090 16.192 16.293 16.393 16.492 16.592 16.690 16.788 16.885 16.982 17.078 17.174 17.269 17.364 17.458 17.551 17.644 17.737 17.829 17.921 18.012 18.103
(CFS) 31.096 31.399 31.699 31.997 32.292 32.584 32.874 33.161 33.446 33.728 34.008 34.285 34.561 34.834 35.105 35.374 35.641 35.906 36.169 36.430 36.690 36.947 37.203 37.457 37.709 37.959 38.208 38.456 38.701 38.946 39.188 39.429 39.669 39.907 40.144 40.380 40.614 40.846 41.078 41.308 41.537 41.764 41.991 42.216 42.440 42.663 42.884 43.105 43.324 43.542
CAPACITY (MGD) 20.096 20.292 20.486 20.679 20.869 21.058 21.245 21.431 21.615 21.797 21.978 22.158 22.336 22.512 22.687 22.861 23.034 23.205 23.375 23.544 23.711 23.878 24.043 24.207 24.370 24.532 24.693 24.853 25.012 25.169 25.326 25.482 25.637 25.791 25.944 26.096 26.248 26.398 26.547 26.696 26.844 26.991 27.138 27.283 27.428 27.572 27.715 27.857 27.999 28.140
(GPM) 13,956 14,092 14,227 14,360 14,493 14,624 14,754 14,883 15,010 15,137 15,263 15,387 15,511 15,633 15,755 15,876 15,996 16,115 16,233 16,350 16,466 16,582 16,697 16,811 16,924 17,036 17,148 17,259 17,369 17,479 17,588 17,696 17,803 17,910 18,017 18,122 18,227 18,332 18,436 18,539 18,642 18,744 18,845 18,947 19,047 19,147 19,246 19,345 19,444 19,542
21
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Philadelphia Water Department
N= 0.015 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 1.979 2.798 3.427 3.958 4.425 4.847 5.235 5.597 5.936 6.258 6.563 6.855 7.135 7.404 7.664 7.915 8.159 8.395 8.626 8.850 9.068 9.282 9.490 9.694 9.894 10.090 10.282 10.471 10.656 10.838 11.018 11.194 11.368 11.538 11.707 11.873 12.037 12.198 12.358 12.515 12.671 12.824 12.976 13.126 13.274 13.421 13.566 13.710 13.852 13.992
Water Sewer Design Manual Velocity and Capacity for 24" RC Pipe A= 3.142
(CFS) 6.217 8.792 10.768 12.433 13.901 15.228 16.448 17.583 18.650 19.659 20.618 21.535 22.415 23.261 24.077 24.867 25.632 26.375 27.098 27.802 28.488 29.159 29.814 30.455 31.083 31.699 32.303 32.896 33.478 34.050 34.613 35.167 35.712 36.249 36.778 37.300 37.815 38.322 38.823 39.318 39.806 40.289 40.765 41.237 41.703 42.164 42.619 43.070 43.517 43.959
CAPACITY (MGD) 4.018 5.682 6.959 8.035 8.984 9.841 10.630 11.364 12.053 12.705 13.325 13.918 14.486 15.033 15.560 16.071 16.565 17.046 17.513 17.968 18.411 18.845 19.268 19.682 20.088 20.486 20.876 21.259 21.636 22.006 22.369 22.727 23.080 23.427 23.769 24.106 24.438 24.767 25.090 25.410 25.726 26.037 26.346 26.650 26.951 27.249 27.544 27.835 28.124 28.409
(GPM) 2,790 3,946 4,832 5,580 6,239 6,834 7,382 7,891 8,370 8,823 9,254 9,665 10,060 10,439 10,806 11,160 11,504 11,837 12,162 12,477 12,786 13,086 13,381 13,668 13,950 14,226 14,497 14,764 15,025 15,282 15,534 15,783 16,028 16,269 16,506 16,740 16,971 17,199 17,424 17,646 17,865 18,082 18,296 18,507 18,716 18,923 19,128 19,330 19,530 19,729
HR= 0.500 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 14.132 14.270 14.406 14.541 14.675 14.808 14.940 15.070 15.200 15.328 15.455 15.581 15.706 15.831 15.954 16.076 16.197 16.318 16.437 16.556 16.674 16.791 16.907 17.023 17.137 17.251 17.364 17.477 17.588 17.699 17.809 17.919 18.028 18.136 18.244 18.351 18.457 18.563 18.668 18.773 18.877 18.980 19.083 19.185 19.287 19.388 19.489 19.589 19.689 19.788
(CFS) 44.396 44.829 45.258 45.683 46.104 46.521 46.935 47.345 47.751 48.154 48.554 48.950 49.343 49.733 50.120 50.505 50.886 51.264 51.640 52.012 52.383 52.750 53.115 53.478 53.838 54.196 54.551 54.904 55.255 55.604 55.950 56.294 56.637 56.977 57.315 57.651 57.985 58.318 58.648 58.977 59.303 59.628 59.951 60.273 60.593 60.911 61.227 61.542 61.855 62.167
CAPACITY (MGD) 28.692 28.972 29.249 29.524 29.796 30.065 30.333 30.598 30.860 31.121 31.379 31.635 31.889 32.141 32.391 32.640 32.886 33.131 33.373 33.614 33.853 34.091 34.327 34.561 34.794 35.025 35.255 35.483 35.710 35.935 36.159 36.381 36.603 36.822 37.041 37.258 37.474 37.689 37.903 38.115 38.326 38.536 38.745 38.953 39.159 39.365 39.569 39.773 39.975 40.177
(GPM) 19,925 20,119 20,312 20,503 20,692 20,879 21,064 21,248 21,431 21,612 21,791 21,969 22,145 22,320 22,494 22,666 22,837 23,007 23,176 23,343 23,509 23,674 23,838 24,001 24,162 24,323 24,483 24,641 24,798 24,955 25,110 25,265 25,419 25,571 25,723 25,874 26,024 26,173 26,321 26,469 26,615 26,761 26,906 27,050 27,194 27,337 27,479 27,620 27,761 27,900
Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 2.470 3.493 4.278 4.940 5.523 6.050 6.534 6.986 7.409 7.810 8.191 8.556 8.905 9.241 9.565 9.879 10.183 10.478 10.766 11.045 11.318 11.584 11.845 12.099 12.349 12.593 12.833 13.069 13.300 13.528 13.751 13.971 14.188 14.401 14.611 14.819 15.023 15.225 15.424 15.620 15.814 16.006 16.195 16.383 16.568 16.751 16.932 17.111 17.288 17.464
Water Sewer Design Manual Velocity and Capacity for 27" RC Pipe A= 3.976
(CFS) 9.820 13.888 17.009 19.640 21.958 24.054 25.981 27.775 29.460 31.054 32.569 34.018 35.407 36.743 38.033 39.280 40.489 41.663 42.805 43.917 45.001 46.060 47.095 48.108 49.100 50.073 51.026 51.963 52.882 53.787 54.676 55.550 56.412 57.260 58.096 58.920 59.733 60.535 61.326 62.107 62.879 63.641 64.394 65.139 65.875 66.603 67.323 68.035 68.740 69.438
CAPACITY (MGD) 6.346 8.975 10.992 12.693 14.191 15.545 16.791 17.950 19.039 20.069 21.049 21.985 22.882 23.746 24.580 25.386 26.167 26.926 27.663 28.382 29.083 29.767 30.436 31.091 31.732 32.360 32.977 33.582 34.176 34.761 35.335 35.901 36.457 37.006 37.546 38.078 38.604 39.122 39.633 40.138 40.637 41.129 41.616 42.097 42.573 43.043 43.509 43.969 44.425 44.876
(GPM) 4,407 6,233 7,634 8,814 9,855 10,795 11,660 12,466 13,222 13,937 14,617 15,267 15,890 16,490 17,069 17,629 18,171 18,698 19,211 19,710 20,196 20,672 21,136 21,591 22,036 22,473 22,901 23,321 23,734 24,139 24,538 24,931 25,318 25,698 26,074 26,443 26,808 27,168 27,523 27,874 28,220 28,562 28,900 29,234 29,565 29,891 30,214 30,534 30,851 31,164
HR= 0.563 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 17.638 17.810 17.980 18.149 18.316 18.482 18.646 18.809 18.971 19.131 19.290 19.447 19.603 19.758 19.912 20.065 20.216 20.366 20.516 20.664 20.811 20.957 21.102 21.246 21.389 21.531 21.672 21.812 21.952 22.090 22.228 22.365 22.501 22.636 22.770 22.904 23.037 23.169 23.300 23.430 23.560 23.689 23.818 23.945 24.072 24.199 24.324 24.450 24.574 24.698
(CFS) 70.129 70.813 71.491 72.162 72.827 73.486 74.140 74.787 75.429 76.066 76.697 77.323 77.944 78.560 79.172 79.778 80.380 80.978 81.571 82.160 82.745 83.326 83.902 84.475 85.044 85.609 86.170 86.728 87.282 87.833 88.380 88.924 89.465 90.002 90.536 91.067 91.595 92.120 92.642 93.161 93.677 94.190 94.701 95.209 95.714 96.216 96.716 97.213 97.708 98.200
CAPACITY (MGD) 45.322 45.765 46.203 46.636 47.066 47.492 47.914 48.333 48.748 49.159 49.567 49.972 50.373 50.771 51.166 51.558 51.948 52.334 52.717 53.098 53.476 53.851 54.224 54.594 54.962 55.327 55.690 56.050 56.408 56.764 57.118 57.469 57.819 58.166 58.511 58.854 59.195 59.535 59.872 60.207 60.541 60.873 61.203 61.531 61.857 62.182 62.505 62.826 63.146 63.464
(GPM) 31,474 31,781 32,085 32,386 32,685 32,981 33,274 33,564 33,853 34,138 34,422 34,703 34,981 35,258 35,532 35,805 36,075 36,343 36,609 36,874 37,136 37,397 37,655 37,912 38,168 38,421 38,673 38,924 39,172 39,419 39,665 39,909 40,152 40,393 40,633 40,871 41,108 41,343 41,578 41,811 42,042 42,273 42,502 42,730 42,956 43,182 43,406 43,629 43,851 44,072
27
Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 2.649 3.747 4.589 5.299 5.924 6.490 7.010 7.494 7.948 8.378 8.787 9.178 9.553 9.913 10.261 10.598 10.924 11.241 11.549 11.849 12.142 12.427 12.707 12.980 13.247 13.510 13.767 14.020 14.268 14.512 14.752 14.988 15.220 15.449 15.675 15.897 16.116 16.333 16.546 16.757 16.965 17.171 17.374 17.575 17.773 17.970 18.164 18.356 18.546 18.735
Water Sewer Design Manual Velocity and Capacity for 30" RC Pipe A= 4.909
(CFS) 13.006 18.393 22.526 26.011 29.082 31.857 34.410 36.786 39.017 41.128 43.135 45.053 46.893 48.663 50.371 52.023 53.624 55.178 56.690 58.163 59.599 61.002 62.373 63.715 65.028 66.316 67.579 68.820 70.038 71.235 72.413 73.571 74.712 75.835 76.943 78.034 79.110 80.172 81.220 82.255 83.277 84.286 85.284 86.270 87.245 88.209 89.162 90.106 91.040 91.964
CAPACITY (MGD) 8.405 11.887 14.558 16.810 18.795 20.588 22.238 23.774 25.216 26.580 27.877 29.116 30.305 31.449 32.553 33.621 34.656 35.660 36.637 37.589 38.517 39.424 40.310 41.177 42.026 42.858 43.675 44.476 45.263 46.037 46.798 47.547 48.284 49.010 49.726 50.431 51.127 51.813 52.490 53.159 53.820 54.472 55.117 55.754 56.384 57.007 57.623 58.233 58.836 59.434
(GPM) 5,837 8,255 10,110 11,674 13,052 14,298 15,443 16,509 17,511 18,458 19,359 20,220 21,045 21,840 22,606 23,348 24,066 24,764 25,443 26,104 26,748 27,378 27,993 28,595 29,185 29,763 30,330 30,886 31,433 31,970 32,499 33,019 33,531 34,035 34,532 35,022 35,505 35,981 36,452 36,916 37,375 37,828 38,275 38,718 39,155 39,588 40,016 40,440 40,859 41,273
HR= 0.625 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 18.921 19.106 19.289 19.470 19.649 19.827 20.003 20.178 20.351 20.523 20.693 20.862 21.030 21.196 21.361 21.525 21.687 21.848 22.008 22.167 22.325 22.482 22.637 22.792 22.945 23.098 23.249 23.400 23.549 23.698 23.845 23.992 24.138 24.283 24.427 24.570 24.713 24.854 24.995 25.135 25.275 25.413 25.551 25.688 25.824 25.960 26.094 26.229 26.362 26.495
(CFS) 92.879 93.785 94.683 95.572 96.453 97.326 98.191 99.048 99.898 100.742 101.578 102.407 103.229 104.045 104.855 105.659 106.456 107.248 108.033 108.813 109.588 110.357 111.121 111.879 112.632 113.381 114.124 114.863 115.597 116.326 117.051 117.771 118.487 119.199 119.906 120.610 121.309 122.004 122.695 123.383 124.066 124.746 125.422 126.095 126.764 127.429 128.091 128.750 129.405 130.057
CAPACITY (MGD) 60.025 60.611 61.191 61.765 62.335 62.899 63.458 64.012 64.562 65.106 65.647 66.183 66.714 67.242 67.765 68.284 68.800 69.311 69.819 70.323 70.823 71.321 71.814 72.304 72.791 73.275 73.755 74.233 74.707 75.178 75.647 76.112 76.575 77.035 77.492 77.947 78.399 78.848 79.295 79.739 80.181 80.620 81.057 81.491 81.924 82.354 82.782 83.207 83.631 84.052
(GPM) 41,684 42,091 42,494 42,893 43,288 43,680 44,068 44,453 44,834 45,213 45,588 45,960 46,329 46,696 47,059 47,420 47,777 48,133 48,485 48,835 49,183 49,528 49,871 50,211 50,549 50,885 51,219 51,551 51,880 52,207 52,533 52,856 53,177 53,496 53,814 54,130 54,443 54,755 55,066 55,374 55,681 55,986 56,289 56,591 56,892 57,190 57,487 57,783 58,077 58,369
30
Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 2.992 4.231 5.182 5.984 6.690 7.329 7.916 8.462 8.976 9.461 9.923 10.364 10.788 11.195 11.588 11.968 12.336 12.694 13.041 13.380 13.711 14.033 14.349 14.657 14.960 15.256 15.546 15.832 16.112 16.387 16.658 16.925 17.187 17.446 17.700 17.952 18.199 18.443 18.685 18.923 19.158 19.390 19.619 19.846 20.070 20.292 20.512 20.729 20.943 21.156
Water Sewer Design Manual Velocity and Capacity for 36" RC Pipe A= 7.069
(CFS) 21.149 29.909 36.631 42.297 47.290 51.803 55.954 59.817 63.446 66.878 70.142 73.261 76.253 79.131 81.908 84.595 87.198 89.726 92.185 94.580 96.915 99.196 101.425 103.607 105.743 107.837 109.892 111.908 113.889 115.836 117.751 119.635 121.490 123.317 125.117 126.892 128.642 130.369 132.073 133.756 135.417 137.059 138.681 140.284 141.870 143.437 144.988 146.522 148.041 149.544
CAPACITY (MGD) 13.668 19.329 23.673 27.336 30.562 33.479 36.162 38.658 41.003 43.221 45.331 47.347 49.280 51.140 52.935 54.671 56.354 57.988 59.576 61.124 62.634 64.108 65.548 66.958 68.339 69.692 71.020 72.323 73.603 74.862 76.099 77.317 78.515 79.696 80.860 82.007 83.138 84.254 85.355 86.443 87.517 88.577 89.626 90.662 91.686 92.699 93.702 94.693 95.674 96.646
(GPM) 9,492 13,423 16,440 18,983 21,224 23,249 25,112 26,846 28,475 30,015 31,480 32,880 34,222 35,514 36,760 37,966 39,135 40,269 41,373 42,447 43,496 44,519 45,520 46,499 47,458 48,397 49,319 50,224 51,113 51,987 52,847 53,692 54,525 55,345 56,153 56,949 57,735 58,510 59,275 60,030 60,775 61,512 62,240 62,960 63,671 64,375 65,071 65,759 66,441 67,115
HR= 0.750 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 21.367 21.575 21.782 21.986 22.189 22.390 22.589 22.786 22.981 23.175 23.368 23.558 23.748 23.935 24.122 24.306 24.490 24.672 24.853 25.032 25.210 25.387 25.563 25.737 25.911 26.083 26.254 26.424 26.593 26.761 26.927 27.093 27.258 27.421 27.584 27.746 27.907 28.067 28.226 28.384 28.541 28.698 28.853 29.008 29.162 29.315 29.467 29.619 29.769 29.919
(CFS) 151.032 152.505 153.965 155.410 156.843 158.262 159.669 161.063 162.446 163.817 165.176 166.525 167.862 169.189 170.506 171.813 173.109 174.396 175.674 176.942 178.202 179.452 180.694 181.928 183.153 184.370 185.579 186.780 187.973 189.159 190.338 191.509 192.673 193.831 194.981 196.125 197.262 198.392 199.516 200.634 201.745 202.851 203.950 205.044 206.132 207.214 208.290 209.361 210.426 211.487
CAPACITY (MGD) 97.608 98.560 99.503 100.437 101.363 102.280 103.190 104.091 104.984 105.870 106.749 107.620 108.485 109.342 110.193 111.038 111.876 112.707 113.533 114.353 115.167 115.975 116.778 117.575 118.366 119.153 119.934 120.711 121.482 122.248 123.010 123.767 124.519 125.267 126.011 126.750 127.485 128.215 128.942 129.664 130.382 131.097 131.807 132.514 133.217 133.916 134.612 135.304 135.993 136.678
(GPM) 67,783 68,444 69,099 69,748 70,391 71,028 71,659 72,285 72,906 73,521 74,131 74,736 75,337 75,932 76,523 77,109 77,691 78,269 78,842 79,412 79,977 80,538 81,096 81,649 82,199 82,745 83,288 83,827 84,362 84,895 85,424 85,949 86,472 86,991 87,507 88,021 88,531 89,038 89,543 90,044 90,543 91,039 91,533 92,024 92,512 92,998 93,481 93,961 94,439 94,915
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page of 2 Velocities & Flow Capacities for Pipe Sewers - Page 10 of Back 25 to Appendix VIII
Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 3.316 4.689 5.743 6.631 7.414 8.122 8.773 9.378 9.947 10.485 10.997 11.486 11.955 12.406 12.842 13.263 13.671 14.068 14.453 14.828 15.195 15.552 15.902 16.244 16.579 16.907 17.229 17.545 17.856 18.161 18.461 18.757 19.048 19.334 19.616 19.894 20.169 20.440 20.707 20.971 21.231 21.489 21.743 21.994 22.243 22.489 22.732 22.972 23.210 23.446
Water Sewer Design Manual Velocity and Capacity for 42" RC Pipe A= 9.621
(CFS) 31.901 45.115 55.255 63.802 71.333 78.142 84.403 90.230 95.704 100.881 105.804 110.509 115.022 119.364 123.553 127.605 131.532 135.346 139.054 142.667 146.190 149.630 152.993 156.284 159.506 162.665 165.764 168.806 171.793 174.730 177.619 180.461 183.259 186.015 188.730 191.407 194.048 196.652 199.223 201.761 204.268 206.744 209.190 211.609 214.000 216.365 218.704 221.018 223.309 225.576
CAPACITY (MGD) 20.617 29.157 35.709 41.234 46.101 50.501 54.547 58.313 61.851 65.196 68.378 71.419 74.335 77.141 79.849 82.468 85.006 87.470 89.867 92.201 94.478 96.702 98.875 101.002 103.084 105.126 107.128 109.094 111.025 112.923 114.790 116.627 118.435 120.216 121.971 123.701 125.408 127.091 128.752 130.393 132.012 133.613 135.194 136.757 138.302 139.830 141.342 142.838 144.318 145.783
(GPM) 14,317 20,248 24,798 28,635 32,014 35,070 37,880 40,495 42,952 45,275 47,485 49,597 51,622 53,570 55,451 57,269 59,032 60,743 62,408 64,029 65,610 67,154 68,663 70,140 71,586 73,004 74,395 75,760 77,101 78,419 79,715 80,991 82,246 83,483 84,702 85,904 87,089 88,258 89,411 90,550 91,675 92,787 93,885 94,970 96,043 97,104 98,154 99,193 100,221 101,238
HR= 0.875 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 23.679 23.910 24.139 24.366 24.590 24.813 25.033 25.252 25.469 25.684 25.897 26.108 26.318 26.526 26.732 26.937 27.141 27.342 27.543 27.742 27.939 28.135 28.330 28.523 28.715 28.906 29.096 29.284 29.471 29.657 29.842 30.025 30.208 30.389 30.570 30.749 30.927 31.104 31.281 31.456 31.630 31.804 31.976 32.147 32.318 32.488 32.656 32.824 32.991 33.157
(CFS) 227.820 230.043 232.245 234.425 236.586 238.727 240.849 242.953 245.038 247.106 249.157 251.191 253.208 255.210 257.196 259.167 261.123 263.064 264.992 266.905 268.805 270.691 272.564 274.425 276.273 278.109 279.932 281.744 283.544 285.333 287.111 288.878 290.634 292.380 294.115 295.840 297.555 299.260 300.956 302.642 304.318 305.986 307.644 309.294 310.935 312.567 314.191 315.806 317.413 319.012
CAPACITY (MGD) 147.234 148.670 150.093 151.503 152.899 154.283 155.654 157.013 158.361 159.698 161.023 162.337 163.641 164.935 166.219 167.492 168.756 170.011 171.257 172.493 173.721 174.940 176.151 177.353 178.547 179.734 180.912 182.083 183.247 184.403 185.552 186.694 187.829 188.957 190.078 191.193 192.301 193.403 194.499 195.589 196.672 197.750 198.822 199.888 200.948 202.003 203.053 204.097 205.135 206.169
(GPM) 102,246 103,243 104,231 105,210 106,180 107,141 108,093 109,037 109,973 110,901 111,822 112,734 113,640 114,538 115,430 116,314 117,192 118,063 118,928 119,787 120,640 121,486 122,327 123,162 123,991 124,815 125,634 126,447 127,255 128,058 128,855 129,648 130,437 131,220 131,999 132,773 133,543 134,308 135,069 135,826 136,578 137,326 138,071 138,811 139,548 140,280 141,009 141,734 142,455 143,173
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 3.624 5.126 6.278 7.249 8.105 8.878 9.589 10.252 10.873 11.462 12.021 12.555 13.068 13.561 14.037 14.498 14.944 15.377 15.799 16.209 16.609 17.000 17.382 17.756 18.122 18.481 18.833 19.179 19.518 19.852 20.180 20.503 20.821 21.134 21.443 21.747 22.047 22.343 22.635 22.923 23.208 23.489 23.767 24.042 24.314 24.582 24.848 25.111 25.371 25.629
Water Sewer Design Manual Velocity and Capacity for 48" RC Pipe A= 12.566
(CFS) 45.546 64.412 78.888 91.093 101.845 111.565 120.504 128.824 136.639 144.030 151.060 157.777 164.219 170.419 176.400 182.185 187.792 193.236 198.532 203.689 208.719 213.631 218.432 223.130 227.731 232.241 236.665 241.008 245.274 249.467 253.591 257.649 261.643 265.578 269.455 273.278 277.047 280.766 284.436 288.060 291.638 295.174 298.667 302.120 305.534 308.910 312.249 315.554 318.824 322.061
CAPACITY (MGD) 29.435 41.628 50.983 58.871 65.819 72.101 77.878 83.256 88.306 93.083 97.626 101.967 106.130 110.137 114.002 117.741 121.365 124.883 128.305 131.639 134.889 138.064 141.167 144.203 147.176 150.091 152.950 155.757 158.514 161.224 163.889 166.511 169.093 171.636 174.141 176.612 179.048 181.451 183.823 186.165 188.478 190.762 193.020 195.252 197.458 199.640 201.798 203.934 206.047 208.139
(GPM) 20,441 28,908 35,405 40,882 45,708 50,070 54,082 57,816 61,323 64,641 67,796 70,810 73,702 76,484 79,168 81,765 84,281 86,725 89,101 91,416 93,673 95,878 98,032 100,141 102,206 104,230 106,215 108,164 110,079 111,961 113,812 115,633 117,426 119,191 120,932 122,647 124,339 126,008 127,655 129,281 130,887 132,474 134,042 135,591 137,123 138,639 140,138 141,621 143,088 144,541
HR= 1.000 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 25.884 26.136 26.386 26.634 26.880 27.123 27.364 27.603 27.840 28.075 28.308 28.539 28.768 28.996 29.221 29.445 29.667 29.888 30.107 30.324 30.540 30.755 30.967 31.179 31.389 31.597 31.804 32.010 32.215 32.418 32.620 32.821 33.020 33.219 33.416 33.612 33.807 34.000 34.193 34.385 34.575 34.765 34.953 35.140 35.327 35.512 35.697 35.880 36.063 36.245
(CFS) 325.265 328.439 331.582 334.695 337.780 340.837 343.867 346.870 349.848 352.800 355.728 358.632 361.512 364.370 367.206 370.020 372.812 375.584 378.336 381.067 383.780 386.473 389.147 391.804 394.442 397.063 399.667 402.254 404.824 407.378 409.916 412.439 414.946 417.438 419.916 422.379 424.827 427.262 429.683 432.090 434.484 436.864 439.232 441.587 443.930 446.260 448.579 450.885 453.180 455.463
CAPACITY (MGD) 210.210 212.261 214.292 216.304 218.298 220.273 222.231 224.172 226.097 228.005 229.897 231.774 233.635 235.482 237.315 239.133 240.938 242.730 244.508 246.273 248.026 249.767 251.495 253.212 254.917 256.611 258.294 259.965 261.626 263.277 264.917 266.548 268.168 269.779 271.380 272.972 274.554 276.127 277.692 279.248 280.795 282.333 283.864 285.386 286.900 288.406 289.904 291.394 292.877 294.353
(GPM) 145,979 147,403 148,814 150,211 151,596 152,968 154,327 155,675 157,012 158,337 159,651 160,954 162,247 163,529 164,802 166,065 167,318 168,562 169,797 171,023 172,240 173,449 174,649 175,842 177,026 178,202 179,370 180,531 181,685 182,831 183,970 185,103 186,228 187,346 188,458 189,564 190,662 191,755 192,842 193,922 194,996 196,065 197,127 198,184 199,236 200,282 201,322 202,357 203,387 204,412
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page 1 of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 3.921 5.544 6.791 7.841 8.767 9.603 10.373 11.089 11.762 12.398 13.003 13.581 14.136 14.669 15.184 15.682 16.165 16.633 17.089 17.533 17.966 18.389 18.802 19.207 19.603 19.991 20.372 20.745 21.113 21.474 21.829 22.178 22.522 22.860 23.194 23.523 23.848 24.168 24.484 24.796 25.104 25.408 25.709 26.006 26.300 26.590 26.878 27.162 27.444 27.722
Water Sewer Design Manual Velocity and Capacity for 54" RC Pipe A= 15.904
(CFS) 62.353 88.181 107.999 124.707 139.426 152.734 164.971 176.362 187.060 197.178 206.803 215.998 224.818 233.305 241.493 249.413 257.089 264.543 271.792 278.852 285.739 292.463 299.036 305.468 311.767 317.941 323.997 329.943 335.783 341.523 347.169 352.724 358.192 363.579 368.887 374.120 379.280 384.372 389.396 394.357 399.256 404.096 408.878 413.605 418.279 422.901 427.473 431.996 436.473 440.904
CAPACITY (MGD) 40.297 56.989 69.797 80.594 90.107 98.708 106.616 113.978 120.892 127.431 133.651 139.594 145.294 150.778 156.070 161.189 166.150 170.967 175.651 180.215 184.665 189.011 193.259 197.415 201.486 205.476 209.390 213.233 217.007 220.717 224.365 227.955 231.490 234.971 238.401 241.783 245.118 248.409 251.656 254.862 258.028 261.156 264.246 267.301 270.322 273.309 276.264 279.187 282.080 284.944
(GPM) 27,984 39,576 48,470 55,968 62,574 68,547 74,039 79,151 83,952 88,494 92,813 96,940 100,898 104,707 108,382 111,937 115,382 118,727 121,980 125,149 128,240 131,257 134,207 137,094 139,921 142,692 145,410 148,078 150,699 153,276 155,809 158,302 160,757 163,174 165,557 167,905 170,221 172,506 174,761 176,987 179,186 181,358 183,504 185,626 187,723 189,798 191,850 193,880 195,889 197,878
HR= 1.125 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 27.998 28.271 28.542 28.810 29.075 29.339 29.599 29.858 30.114 30.368 30.620 30.870 31.118 31.364 31.608 31.851 32.091 32.330 32.566 32.801 33.035 33.267 33.497 33.726 33.953 34.178 34.402 34.625 34.846 35.066 35.285 35.502 35.718 35.932 36.145 36.357 36.568 36.778 36.986 37.193 37.399 37.604 37.808 38.011 38.213 38.413 38.613 38.811 39.009 39.205
(CFS) 445.292 449.636 453.939 458.201 462.425 466.609 470.757 474.869 478.945 482.987 486.995 490.970 494.914 498.826 502.708 506.561 510.384 514.179 517.945 521.685 525.398 529.085 532.747 536.383 539.995 543.584 547.148 550.690 554.208 557.705 561.180 564.633 568.066 571.478 574.869 578.241 581.593 584.926 588.240 591.535 594.813 598.072 601.314 604.538 607.745 610.935 614.109 617.266 620.408 623.533
CAPACITY (MGD) 287.780 290.587 293.368 296.123 298.852 301.557 304.237 306.894 309.529 312.141 314.731 317.300 319.849 322.378 324.886 327.376 329.847 332.299 334.734 337.151 339.550 341.933 344.299 346.650 348.984 351.303 353.606 355.895 358.169 360.429 362.675 364.907 367.125 369.330 371.522 373.701 375.867 378.021 380.163 382.293 384.411 386.517 388.612 390.696 392.768 394.830 396.881 398.922 400.952 402.972
(GPM) 199,847 201,797 203,728 205,641 207,536 209,414 211,276 213,121 214,950 216,764 218,563 220,348 222,117 223,873 225,616 227,344 229,060 230,763 232,454 234,132 235,799 237,454 239,097 240,729 242,350 243,960 245,560 247,149 248,729 250,298 251,857 253,407 254,948 256,479 258,001 259,514 261,019 262,515 264,002 265,481 266,952 268,415 269,870 271,317 272,756 274,188 275,612 277,029 278,439 279,842
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page 1 of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 4.206 5.948 7.285 8.412 9.404 10.302 11.128 11.896 12.617 13.300 13.949 14.569 15.164 15.737 16.289 16.823 17.341 17.844 18.333 18.809 19.273 19.727 20.170 20.604 21.029 21.446 21.854 22.255 22.649 23.036 23.417 23.792 24.161 24.524 24.882 25.235 25.583 25.926 26.265 26.600 26.930 27.257 27.579 27.898 28.213 28.525 28.834 29.139 29.441 29.740
Water Sewer Design Manual Velocity and Capacity for 60" RC Pipe A= 19.635
(CFS) 82.581 116.787 143.034 165.162 184.656 202.281 218.488 233.574 247.743 261.144 273.890 286.069 297.750 308.989 319.834 330.324 340.490 350.361 359.962 369.313 378.433 387.339 396.044 404.562 412.904 421.081 429.103 436.977 444.712 452.314 459.791 467.148 474.391 481.525 488.555 495.485 502.320 509.063 515.717 522.287 528.776 535.185 541.519 547.780 553.969 560.091 566.146 572.137 578.066 583.935
CAPACITY (MGD) 53.370 75.476 92.439 106.739 119.338 130.729 141.203 150.952 160.109 168.770 177.007 184.878 192.427 199.691 206.700 213.479 220.049 226.428 232.633 238.677 244.571 250.326 255.952 261.457 266.849 272.133 277.317 282.406 287.405 292.318 297.150 301.905 306.586 311.196 315.739 320.218 324.635 328.993 333.294 337.540 341.733 345.875 349.969 354.015 358.015 361.971 365.884 369.756 373.588 377.381
(GPM) 37,062 52,414 64,194 74,125 82,874 90,784 98,058 104,828 111,187 117,201 122,922 128,388 133,630 138,674 143,542 148,249 152,812 157,242 161,551 165,748 169,841 173,838 177,745 181,567 185,311 188,981 192,581 196,115 199,587 202,999 206,354 209,656 212,907 216,108 219,264 222,374 225,441 228,467 231,454 234,403 237,314 240,191 243,034 245,843 248,621 251,369 254,086 256,775 259,436 262,070
HR= 1.250 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 30.035 30.329 30.619 30.906 31.191 31.473 31.753 32.030 32.305 32.578 32.848 33.117 33.383 33.646 33.908 34.168 34.426 34.682 34.936 35.188 35.439 35.687 35.934 36.180 36.423 36.665 36.906 37.145 37.382 37.618 37.852 38.085 38.317 38.547 38.776 39.003 39.229 39.454 39.678 39.900 40.121 40.341 40.559 40.777 40.993 41.208 41.422 41.635 41.847 42.058
(CFS) 589.745 595.499 601.198 606.843 612.436 617.979 623.472 628.917 634.316 639.669 644.977 650.242 655.465 660.647 665.788 670.890 675.954 680.979 685.968 690.921 695.839 700.722 705.571 710.388 715.171 719.923 724.644 729.335 733.995 738.626 743.228 747.802 752.348 756.866 761.358 765.824 770.263 774.677 779.066 783.431 787.771 792.088 796.381 800.651 804.899 809.124 813.327 817.509 821.669 825.809
CAPACITY (MGD) 381.136 384.854 388.537 392.186 395.800 399.382 402.932 406.452 409.941 413.400 416.831 420.233 423.609 426.958 430.280 433.578 436.850 440.098 443.322 446.523 449.701 452.857 455.991 459.104 462.195 465.266 468.317 471.348 474.360 477.353 480.327 483.283 486.221 489.141 492.044 494.930 497.799 500.652 503.489 506.310 509.115 511.904 514.679 517.439 520.184 522.914 525.631 528.333 531.022 533.697
(GPM) 264,678 267,260 269,818 272,351 274,861 277,349 279,814 282,258 284,681 287,083 289,466 291,829 294,173 296,498 298,806 301,096 303,368 305,624 307,863 310,085 312,292 314,484 316,660 318,822 320,969 323,102 325,220 327,325 329,417 331,495 333,561 335,613 337,654 339,682 341,697 343,702 345,694 347,675 349,645 351,604 353,552 355,489 357,416 359,332 361,239 363,135 365,021 366,898 368,765 370,623
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page 1 of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 4.482 6.338 7.763 8.963 10.021 10.978 11.858 12.676 13.445 14.172 14.864 15.525 16.159 16.769 17.358 17.927 18.479 19.014 19.535 20.043 20.538 21.021 21.494 21.956 22.409 22.852 23.288 23.715 24.135 24.547 24.953 25.352 25.746 26.133 26.514 26.890 27.261 27.627 27.988 28.345 28.697 29.045 29.389 29.728 30.064 30.397 30.725 31.050 31.372 31.691
Water Sewer Design Manual Velocity and Capacity for 66" RC Pipe A= 23.758
(CFS) 106.478 150.583 184.425 212.956 238.092 260.817 281.714 301.165 319.434 336.713 353.148 368.851 383.912 398.404 412.388 425.912 439.020 451.748 464.127 476.184 487.944 499.426 510.651 521.634 532.390 542.934 553.276 563.429 573.402 583.204 592.845 602.331 611.670 620.868 629.932 638.868 647.681 656.375 664.955 673.426 681.792 690.056 698.223 706.295 714.276 722.169 729.977 737.701 745.346 752.913
CAPACITY (MGD) 68.814 97.317 119.189 137.628 153.872 168.559 182.064 194.635 206.441 217.608 228.229 238.378 248.112 257.478 266.515 275.255 283.726 291.952 299.952 307.745 315.344 322.765 330.019 337.117 344.069 350.883 357.567 364.128 370.573 376.909 383.139 389.269 395.305 401.250 407.108 412.883 418.578 424.197 429.742 435.216 440.623 445.964 451.242 456.459 461.617 466.718 471.763 476.756 481.696 486.587
(GPM) 47,787 67,581 82,770 95,575 106,856 117,055 126,433 135,163 143,362 151,117 158,493 165,540 172,300 178,804 185,080 191,149 197,032 202,744 208,300 213,711 218,989 224,142 229,180 234,109 238,937 243,669 248,310 252,867 257,343 261,742 266,069 270,326 274,517 278,646 282,714 286,724 290,679 294,581 298,432 302,234 305,988 309,697 313,363 316,985 320,567 324,109 327,613 331,080 334,511 337,907
HR= 1.375 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 32.006 32.318 32.627 32.934 33.237 33.538 33.836 34.132 34.425 34.715 35.003 35.289 35.573 35.854 36.133 36.410 36.684 36.957 37.228 37.497 37.764 38.029 38.292 38.553 38.813 39.071 39.327 39.581 39.834 40.086 40.335 40.584 40.830 41.076 41.319 41.562 41.803 42.042 42.280 42.517 42.753 42.987 43.220 43.452 43.682 43.912 44.140 44.367 44.593 44.817
(CFS) 760.405 767.824 775.172 782.450 789.662 796.809 803.891 810.912 817.873 824.775 831.620 838.409 845.143 851.824 858.453 865.032 871.560 878.040 884.473 890.859 897.200 903.496 909.749 915.959 922.127 928.254 934.341 940.388 946.397 952.368 958.302 964.199 970.061 975.887 981.679 987.437 993.161 998.852 1,004.512 1,010.139 1,015.736 1,021.301 1,026.837 1,032.343 1,037.819 1,043.267 1,048.687 1,054.079 1,059.443 1,064.780
CAPACITY (MGD) 491.429 496.223 500.972 505.676 510.337 514.955 519.533 524.070 528.569 533.029 537.453 541.840 546.192 550.510 554.794 559.046 563.265 567.453 571.610 575.737 579.835 583.904 587.945 591.958 595.945 599.904 603.838 607.747 611.630 615.489 619.324 623.135 626.923 630.689 634.432 638.153 641.852 645.530 649.188 652.825 656.441 660.038 663.616 667.174 670.714 674.234 677.737 681.222 684.688 688.138
(GPM) 341,270 344,599 347,897 351,164 354,400 357,608 360,786 363,938 367,061 370,159 373,231 376,278 379,300 382,299 385,274 388,226 391,156 394,064 396,951 399,818 402,663 405,489 408,295 411,082 413,850 416,600 419,332 422,046 424,743 427,423 430,086 432,733 435,363 437,978 440,577 443,162 445,731 448,285 450,825 453,350 455,862 458,360 460,844 463,315 465,773 468,218 470,651 473,070 475,478 477,873
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 4.749 6.717 8.226 9.499 10.620 11.634 12.566 13.433 14.248 15.019 15.752 16.452 17.124 17.771 18.394 18.998 19.582 20.150 20.702 21.240 21.764 22.277 22.777 23.267 23.747 24.217 24.679 25.131 25.576 26.013 26.443 26.867 27.283 27.693 28.098 28.496 28.889 29.277 29.660 30.038 30.411 30.780 31.144 31.504 31.860 32.212 32.560 32.905 33.246 33.583
Water Sewer Design Manual Velocity and Capacity for 72" RC Pipe A= 28.274
(CFS) 134.286 189.909 232.589 268.571 300.272 328.931 355.286 379.817 402.857 424.648 445.375 465.179 484.174 502.451 520.086 537.142 553.674 569.726 585.337 600.543 615.374 629.855 644.011 657.862 671.428 684.725 697.768 710.573 723.150 735.513 747.671 759.634 771.412 783.013 794.444 805.714 816.827 827.792 838.613 849.297 859.847 870.270 880.570 890.750 900.815 910.769 920.616 930.358 939.999 949.543
CAPACITY (MGD) 86.785 122.733 150.316 173.570 194.057 212.579 229.612 245.465 260.355 274.438 287.833 300.632 312.908 324.720 336.117 347.140 357.824 368.198 378.287 388.114 397.699 407.058 416.206 425.158 433.925 442.519 450.948 459.223 467.352 475.341 483.199 490.930 498.542 506.039 513.427 520.710 527.893 534.979 541.972 548.877 555.695 562.431 569.087 575.667 582.172 588.605 594.968 601.264 607.495 613.663
(GPM) 60,267 85,231 104,386 120,535 134,762 147,624 159,453 170,462 180,802 190,582 199,884 208,772 217,297 225,500 233,415 241,070 248,489 255,693 262,699 269,524 276,180 282,679 289,032 295,249 301,337 307,305 313,158 318,905 324,550 330,098 335,555 340,924 346,210 351,416 356,547 361,604 366,592 371,513 376,370 381,164 385,900 390,577 395,200 399,769 404,286 408,753 413,172 417,545 421,872 426,155
HR= 1.500 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 33.917 34.248 34.576 34.901 35.222 35.541 35.857 36.170 36.481 36.789 37.094 37.397 37.697 37.995 38.291 38.584 38.875 39.164 39.451 39.736 40.019 40.300 40.579 40.856 41.131 41.404 41.676 41.945 42.213 42.480 42.744 43.007 43.269 43.529 43.787 44.044 44.299 44.553 44.806 45.057 45.306 45.554 45.801 46.047 46.291 46.534 46.776 47.016 47.256 47.494
(CFS) 958.991 968.347 977.614 986.794 995.889 1,004.901 1,013.834 1,022.689 1,031.467 1,040.172 1,048.804 1,057.366 1,065.859 1,074.285 1,082.645 1,090.941 1,099.175 1,107.347 1,115.460 1,123.514 1,131.511 1,139.451 1,147.337 1,155.168 1,162.947 1,170.675 1,178.351 1,185.978 1,193.557 1,201.087 1,208.570 1,216.008 1,223.400 1,230.748 1,238.052 1,245.314 1,252.533 1,259.711 1,266.848 1,273.945 1,281.003 1,288.022 1,295.004 1,301.947 1,308.854 1,315.725 1,322.560 1,329.360 1,336.125 1,342.856
CAPACITY (MGD) 619.769 625.816 631.805 637.737 643.615 649.440 655.213 660.935 666.608 672.234 677.813 683.346 688.835 694.280 699.683 705.045 710.366 715.648 720.891 726.096 731.264 736.395 741.492 746.553 751.580 756.574 761.536 766.465 771.362 776.229 781.065 785.872 790.649 795.398 800.118 804.811 809.477 814.116 818.728 823.315 827.876 832.413 836.925 841.412 845.876 850.316 854.733 859.128 863.500 867.850
(GPM) 430,395 434,594 438,753 442,873 446,955 451,000 455,009 458,983 462,923 466,829 470,703 474,546 478,358 482,139 485,891 489,615 493,310 496,978 500,618 504,233 507,822 511,386 514,925 518,440 521,931 525,399 528,844 532,267 535,668 539,048 542,406 545,744 549,062 552,360 555,638 558,897 562,137 565,358 568,561 571,747 574,914 578,064 581,198 584,314 587,414 590,497 593,565 596,617 599,653 602,674
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 5.010 7.085 8.677 10.019 11.202 12.271 13.254 14.170 15.029 15.842 16.615 17.354 18.063 18.745 19.402 20.039 20.656 21.254 21.837 22.404 22.957 23.498 24.026 24.542 25.049 25.545 26.031 26.509 26.978 27.439 27.893 28.339 28.779 29.211 29.638 30.058 30.473 30.882 31.286 31.684 32.078 32.467 32.851 33.231 33.606 33.977 34.345 34.708 35.068 35.424
Water Sewer Design Manual Velocity and Capacity for 78" RC Pipe A= 33.183
(CFS) 166.237 235.095 287.931 332.475 371.718 407.197 439.822 470.190 498.712 525.688 551.347 575.863 599.377 622.003 643.834 664.949 685.414 705.285 724.611 743.436 761.795 779.722 797.246 814.393 831.186 847.647 863.794 879.645 895.215 910.519 925.570 940.380 954.960 969.322 983.473 997.424 1,011.182 1,024.755 1,038.151 1,051.377 1,064.438 1,077.341 1,090.091 1,102.693 1,115.154 1,127.476 1,139.665 1,151.726 1,163.661 1,175.475
CAPACITY (MGD) 107.434 151.935 186.082 214.869 240.231 263.160 284.245 303.871 322.303 339.738 356.320 372.164 387.361 401.983 416.092 429.738 442.964 455.806 468.296 480.462 492.327 503.912 515.238 526.319 537.172 547.811 558.246 568.490 578.552 588.443 598.170 607.741 617.164 626.445 635.591 644.607 653.499 662.271 670.928 679.475 687.916 696.255 704.495 712.640 720.693 728.656 736.534 744.328 752.041 759.677
(GPM) 74,607 105,511 129,224 149,215 166,827 182,750 197,392 211,021 223,822 235,929 247,444 258,447 269,000 279,155 288,953 298,429 307,614 316,532 325,206 333,654 341,894 349,939 357,804 365,500 373,036 380,424 387,671 394,785 401,773 408,641 415,396 422,043 428,586 435,032 441,383 447,644 453,818 459,910 465,922 471,858 477,720 483,511 489,233 494,889 500,481 506,011 511,482 516,894 522,251 527,553
HR= 1.625 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 35.776 36.125 36.471 36.814 37.153 37.489 37.822 38.153 38.480 38.805 39.127 39.446 39.763 40.078 40.390 40.699 41.006 41.311 41.614 41.914 42.212 42.509 42.803 43.095 43.385 43.674 43.960 44.244 44.527 44.808 45.087 45.365 45.641 45.915 46.187 46.458 46.727 46.995 47.261 47.526 47.790 48.051 48.312 48.571 48.829 49.085 49.340 49.594 49.846 50.097
(CFS) 1,187.172 1,198.754 1,210.226 1,221.590 1,232.849 1,244.006 1,255.064 1,266.025 1,276.893 1,287.668 1,298.355 1,308.954 1,319.467 1,329.898 1,340.248 1,350.518 1,360.711 1,370.828 1,380.871 1,390.841 1,400.740 1,410.570 1,420.332 1,430.027 1,439.657 1,449.223 1,458.726 1,468.168 1,477.549 1,486.871 1,496.136 1,505.343 1,514.494 1,523.590 1,532.632 1,541.621 1,550.558 1,559.444 1,568.279 1,577.065 1,585.803 1,594.492 1,603.134 1,611.730 1,620.281 1,628.786 1,637.247 1,645.665 1,654.040 1,662.373
CAPACITY (MGD) 767.236 774.721 782.135 789.479 796.756 803.966 811.113 818.197 825.220 832.184 839.090 845.940 852.735 859.476 866.165 872.802 879.389 885.928 892.418 898.862 905.259 911.612 917.921 924.187 930.410 936.592 942.734 948.836 954.899 960.923 966.910 972.861 978.775 984.653 990.497 996.307 1,002.082 1,007.825 1,013.535 1,019.213 1,024.860 1,030.476 1,036.061 1,041.616 1,047.142 1,052.639 1,058.107 1,063.547 1,068.960 1,074.345
(GPM) 532,803 538,001 543,149 548,249 553,302 558,310 563,273 568,192 573,069 577,906 582,702 587,458 592,177 596,858 601,503 606,112 610,687 615,227 619,735 624,209 628,652 633,064 637,445 641,796 646,118 650,411 654,676 658,914 663,124 667,308 671,466 675,598 679,705 683,787 687,845 691,880 695,890 699,878 703,844 707,787 711,708 715,608 719,487 723,345 727,182 730,999 734,797 738,574 742,333 746,073
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 5.263 7.444 9.117 10.527 11.769 12.893 13.926 14.887 15.790 16.644 17.457 18.233 18.978 19.694 20.385 21.054 21.702 22.331 22.943 23.539 24.120 24.688 25.242 25.785 26.317 26.838 27.350 27.851 28.344 28.829 29.305 29.774 30.236 30.691 31.139 31.581 32.016 32.446 32.870 33.289 33.702 34.111 34.515 34.914 35.308 35.698 36.084 36.466 36.844 37.218
Water Sewer Design Manual Velocity and Capacity for 84" RC Pipe A= 38.485
(CFS) 202.560 286.463 350.845 405.121 452.939 496.169 535.924 572.927 607.681 640.552 671.816 701.689 730.341 757.911 784.513 810.241 835.177 859.390 882.940 905.877 928.248 950.092 971.445 992.339 1,012.801 1,032.859 1,052.534 1,071.848 1,090.820 1,109.468 1,127.808 1,145.854 1,163.620 1,181.119 1,198.363 1,215.362 1,232.126 1,248.665 1,264.988 1,281.104 1,297.019 1,312.741 1,328.276 1,343.633 1,358.816 1,373.831 1,388.683 1,403.379 1,417.922 1,432.317
CAPACITY (MGD) 130.909 185.133 226.741 261.818 292.721 320.660 346.353 370.267 392.727 413.971 434.176 453.482 471.999 489.817 507.008 523.636 539.752 555.400 570.619 585.443 599.901 614.018 627.818 641.321 654.545 667.508 680.223 692.705 704.967 717.018 728.871 740.533 752.015 763.324 774.468 785.454 796.289 806.977 817.527 827.941 838.227 848.387 858.428 868.352 878.164 887.868 897.467 906.964 916.363 925.667
(GPM) 90,909 128,565 157,459 181,818 203,279 222,681 240,523 257,130 272,727 287,480 301,511 314,918 327,777 340,150 352,089 363,636 374,828 385,694 396,263 406,558 416,598 426,401 435,984 445,362 454,545 463,547 472,377 481,045 489,560 497,929 506,160 514,259 522,233 530,086 537,825 545,454 552,978 560,401 567,727 574,959 582,102 589,158 596,130 603,022 609,836 616,575 623,241 629,836 636,363 642,824
HR= 1.750 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 37.588 37.955 38.318 38.678 39.035 39.388 39.738 40.085 40.429 40.770 41.109 41.444 41.777 42.107 42.435 42.760 43.083 43.403 43.721 44.037 44.350 44.662 44.971 45.278 45.583 45.885 46.186 46.485 46.782 47.077 47.371 47.662 47.952 48.240 48.526 48.811 49.094 49.375 49.655 49.933 50.210 50.485 50.759 51.031 51.302 51.571 51.839 52.105 52.370 52.634
(CFS) 1,446.570 1,460.683 1,474.661 1,488.508 1,502.227 1,515.822 1,529.296 1,542.653 1,555.895 1,569.025 1,582.046 1,594.961 1,607.772 1,620.482 1,633.093 1,645.607 1,658.027 1,670.355 1,682.592 1,694.741 1,706.803 1,718.781 1,730.676 1,742.489 1,754.223 1,765.879 1,777.459 1,788.964 1,800.395 1,811.754 1,823.042 1,834.261 1,845.412 1,856.495 1,867.513 1,878.467 1,889.356 1,900.184 1,910.950 1,921.655 1,932.302 1,942.890 1,953.420 1,963.895 1,974.313 1,984.677 1,994.987 2,005.244 2,015.449 2,025.603
CAPACITY (MGD) 934.877 943.998 953.032 961.981 970.847 979.633 988.341 996.973 1,005.531 1,014.017 1,022.432 1,030.779 1,039.058 1,047.272 1,055.422 1,063.510 1,071.537 1,079.503 1,087.412 1,095.263 1,103.059 1,110.800 1,118.487 1,126.122 1,133.705 1,141.238 1,148.722 1,156.157 1,163.545 1,170.886 1,178.181 1,185.432 1,192.638 1,199.801 1,206.922 1,214.000 1,221.038 1,228.035 1,234.993 1,241.912 1,248.792 1,255.635 1,262.441 1,269.210 1,275.943 1,282.641 1,289.304 1,295.933 1,302.528 1,309.090
(GPM) 649,220 655,554 661,828 668,042 674,200 680,301 686,348 692,343 698,286 704,178 710,022 715,819 721,568 727,272 732,932 738,549 744,123 749,655 755,147 760,600 766,013 771,389 776,727 782,029 787,295 792,527 797,724 802,887 808,017 813,115 818,181 823,216 828,221 833,195 838,140 843,056 847,943 852,802 857,634 862,439 867,217 871,969 876,695 881,396 886,072 890,723 895,350 899,954 904,534 909,090
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page 1 of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 5.511 7.794 9.546 11.022 12.323 13.500 14.581 15.588 16.534 17.428 18.278 19.091 19.871 20.621 21.345 22.045 22.723 23.382 24.023 24.647 25.255 25.850 26.431 26.999 27.556 28.102 28.637 29.162 29.679 30.186 30.685 31.176 31.659 32.135 32.605 33.067 33.523 33.973 34.417 34.856 35.289 35.716 36.139 36.557 36.970 37.379 37.783 38.183 38.578 38.970
Water Sewer Design Manual Velocity and Capacity for 90" RC Pipe A= 44.179
(CFS) 243.476 344.327 421.713 486.952 544.429 596.392 644.177 688.654 730.428 769.939 807.519 843.426 877.865 911.004 942.979 973.904 1,003.877 1,032.981 1,061.287 1,088.858 1,115.747 1,142.004 1,167.670 1,192.784 1,217.380 1,241.489 1,265.138 1,288.354 1,311.158 1,333.573 1,355.617 1,377.308 1,398.663 1,419.697 1,440.423 1,460.856 1,481.007 1,500.887 1,520.507 1,539.877 1,559.007 1,577.905 1,596.579 1,615.037 1,633.287 1,651.335 1,669.187 1,686.851 1,704.332 1,721.635
CAPACITY (MGD) 157.352 222.529 272.541 314.703 351.849 385.431 416.314 445.058 472.055 497.590 521.877 545.082 567.340 588.756 609.421 629.407 648.778 667.587 685.880 703.698 721.076 738.045 754.632 770.863 786.759 802.340 817.624 832.627 847.365 861.851 876.097 890.116 903.917 917.510 930.905 944.110 957.133 969.981 982.661 995.180 1,007.543 1,019.756 1,031.824 1,043.753 1,055.547 1,067.211 1,078.749 1,090.165 1,101.462 1,112.645
(GPM) 109,272 154,534 189,265 218,544 244,340 267,661 289,107 309,068 327,816 345,549 362,414 378,529 393,986 408,859 423,209 437,088 450,540 463,602 476,306 488,679 500,747 512,531 524,050 535,321 546,360 557,180 567,794 578,213 588,448 598,508 608,401 618,136 627,720 637,160 646,462 655,632 664,676 673,598 682,404 691,097 699,682 708,164 716,545 724,829 733,019 741,119 749,131 757,059 764,904 772,670
HR= 1.875 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 39.358 39.742 40.122 40.499 40.872 41.242 41.608 41.972 42.332 42.689 43.044 43.395 43.744 44.089 44.432 44.773 45.111 45.446 45.779 46.110 46.438 46.764 47.087 47.409 47.728 48.045 48.360 48.673 48.984 49.293 49.601 49.906 50.209 50.511 50.810 51.108 51.405 51.699 51.992 52.284 52.573 52.861 53.148 53.433 53.716 53.998 54.279 54.558 54.835 55.112
(CFS) 1,738.766 1,755.730 1,772.532 1,789.176 1,805.666 1,822.008 1,838.204 1,854.258 1,870.175 1,885.957 1,901.608 1,917.132 1,932.531 1,947.808 1,962.966 1,978.008 1,992.937 2,007.755 2,022.464 2,037.066 2,051.565 2,065.962 2,080.260 2,094.460 2,108.564 2,122.575 2,136.493 2,150.322 2,164.062 2,177.716 2,191.284 2,204.769 2,218.172 2,231.494 2,244.738 2,257.904 2,270.993 2,284.007 2,296.948 2,309.816 2,322.613 2,335.340 2,347.998 2,360.587 2,373.111 2,385.568 2,397.961 2,410.290 2,422.556 2,434.760
CAPACITY (MGD) 1,123.716 1,134.679 1,145.538 1,156.294 1,166.952 1,177.513 1,187.979 1,198.355 1,208.642 1,218.841 1,228.956 1,238.989 1,248.941 1,258.814 1,268.610 1,278.331 1,287.979 1,297.556 1,307.062 1,316.499 1,325.869 1,335.174 1,344.414 1,353.591 1,362.706 1,371.761 1,380.756 1,389.693 1,398.573 1,407.397 1,416.166 1,424.880 1,433.542 1,442.152 1,450.711 1,459.220 1,467.679 1,476.090 1,484.453 1,492.770 1,501.040 1,509.265 1,517.445 1,525.582 1,533.675 1,541.726 1,549.735 1,557.703 1,565.630 1,573.517
(GPM) 780,358 787,972 795,512 802,982 810,383 817,717 824,986 832,191 839,334 846,418 853,442 860,409 867,320 874,176 880,979 887,730 894,430 901,080 907,682 914,235 920,743 927,204 933,621 939,994 946,324 952,611 958,858 965,064 971,231 977,359 983,448 989,500 995,516 1,001,495 1,007,438 1,013,347 1,019,222 1,025,063 1,030,870 1,036,646 1,042,389 1,048,101 1,053,781 1,059,432 1,065,052 1,070,643 1,076,205 1,081,738 1,087,243 1,092,720
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers – Page 1 of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 5.753 8.137 9.965 11.507 12.865 14.093 15.222 16.273 17.260 18.194 19.082 19.931 20.744 21.527 22.283 23.014 23.722 24.410 25.079 25.730 26.366 26.986 27.593 28.186 28.767 29.337 29.896 30.444 30.983 31.513 32.034 32.547 33.051 33.548 34.038 34.521 34.997 35.467 35.930 36.388 36.840 37.287 37.728 38.164 38.595 39.022 39.444 39.861 40.274 40.683
Water Sewer Design Manual Velocity and Capacity for 96" RC Pipe A= 50.265
(CFS) 289.201 408.992 500.910 578.402 646.673 708.394 765.153 817.983 867.602 914.533 959.170 1,001.821 1,042.728 1,082.090 1,120.070 1,156.803 1,192.405 1,226.975 1,260.597 1,293.345 1,325.284 1,356.472 1,386.958 1,416.789 1,446.004 1,474.640 1,502.731 1,530.307 1,557.394 1,584.018 1,610.202 1,635.967 1,661.332 1,686.316 1,710.935 1,735.205 1,759.140 1,782.753 1,806.058 1,829.066 1,851.788 1,874.235 1,896.416 1,918.341 1,940.018 1,961.455 1,982.661 2,003.642 2,024.405 2,044.958
CAPACITY (MGD) 186.902 264.320 323.724 373.805 417.926 457.815 494.497 528.640 560.707 591.037 619.885 647.449 673.886 699.325 723.870 747.609 770.618 792.960 814.688 835.853 856.494 876.650 896.352 915.631 934.512 953.019 971.173 988.994 1,006.500 1,023.706 1,040.628 1,057.279 1,073.672 1,089.819 1,105.729 1,121.414 1,136.883 1,152.143 1,167.205 1,182.074 1,196.759 1,211.266 1,225.601 1,239.770 1,253.779 1,267.633 1,281.338 1,294.898 1,308.316 1,321.599
(GPM) 129,793 183,555 224,809 259,587 290,227 317,927 343,401 367,111 389,380 410,442 430,476 449,617 467,976 485,642 502,687 519,173 535,151 550,666 565,756 580,453 594,788 608,785 622,467 635,855 648,967 661,819 674,426 686,802 698,958 710,907 722,659 734,222 745,606 756,819 767,868 778,760 789,502 800,100 810,559 820,885 831,083 841,157 851,112 860,951 870,680 880,301 889,818 899,234 908,553 917,777
HR= 2.000 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 41.088 41.489 41.886 42.279 42.669 43.055 43.438 43.817 44.193 44.566 44.936 45.303 45.667 46.028 46.386 46.741 47.094 47.444 47.792 48.137 48.480 48.820 49.158 49.493 49.826 50.158 50.486 50.813 51.138 51.461 51.781 52.100 52.417 52.731 53.044 53.355 53.665 53.972 54.278 54.582 54.885 55.185 55.484 55.782 56.078 56.372 56.665 56.956 57.246 57.535
(CFS) 2,065.307 2,085.456 2,105.413 2,125.183 2,144.770 2,164.180 2,183.418 2,202.487 2,221.393 2,240.139 2,258.730 2,277.169 2,295.460 2,313.606 2,331.611 2,349.478 2,367.210 2,384.811 2,402.282 2,419.627 2,436.849 2,453.950 2,470.932 2,487.799 2,504.552 2,521.194 2,537.726 2,554.152 2,570.473 2,586.690 2,602.807 2,618.824 2,634.744 2,650.569 2,666.299 2,681.938 2,697.485 2,712.944 2,728.315 2,743.599 2,758.799 2,773.916 2,788.951 2,803.905 2,818.780 2,833.577 2,848.297 2,862.941 2,877.511 2,892.008
CAPACITY (MGD) 1,334.750 1,347.772 1,360.670 1,373.446 1,386.105 1,398.649 1,411.082 1,423.406 1,435.624 1,447.739 1,459.754 1,471.671 1,483.491 1,495.219 1,506.855 1,518.402 1,529.862 1,541.236 1,552.528 1,563.737 1,574.867 1,585.919 1,596.894 1,607.795 1,618.622 1,629.377 1,640.062 1,650.677 1,661.224 1,671.705 1,682.121 1,692.473 1,702.761 1,712.988 1,723.155 1,733.261 1,743.309 1,753.300 1,763.233 1,773.111 1,782.935 1,792.704 1,802.421 1,812.086 1,821.699 1,831.262 1,840.775 1,850.239 1,859.655 1,869.024
(GPM) 926,910 935,953 944,910 953,782 962,573 971,284 979,918 988,476 996,961 1,005,375 1,013,718 1,021,993 1,030,202 1,038,346 1,046,427 1,054,446 1,062,404 1,070,303 1,078,144 1,085,929 1,093,658 1,101,333 1,108,954 1,116,524 1,124,043 1,131,512 1,138,932 1,146,303 1,153,628 1,160,907 1,168,140 1,175,328 1,182,473 1,189,575 1,196,635 1,203,654 1,210,631 1,217,569 1,224,468 1,231,327 1,238,149 1,244,934 1,251,681 1,258,393 1,265,069 1,271,709 1,278,316 1,284,888 1,291,427 1,297,933
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Philadelphia Water Department Water Sewer Design Manual Velocity and Capacity for 102" RC Pipe N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 5.991 8.472 10.376 11.982 13.396 14.674 15.850 16.944 17.972 18.944 19.869 20.753 21.600 22.415 23.202 23.963 24.701 25.417 26.113 26.792 27.453 28.099 28.731 29.349 29.954 30.547 31.129 31.700 32.261 32.813 33.355 33.889 34.414 34.932 35.442 35.945 36.440 36.930 37.412 37.889 38.360 38.825 39.284 39.738 40.187 40.631 41.071 41.505 41.935 42.361
A= 56.745 (CFS) 339.946 480.756 588.804 679.892 760.142 832.694 899.413 961.512 1,019.838 1,075.004 1,127.473 1,177.607 1,225.693 1,271.961 1,316.605 1,359.784 1,401.633 1,442.269 1,481.790 1,520.285 1,557.828 1,594.488 1,630.324 1,665.388 1,699.730 1,733.391 1,766.411 1,798.825 1,830.665 1,861.961 1,892.739 1,923.025 1,952.841 1,982.209 2,011.148 2,039.676 2,067.811 2,095.568 2,122.962 2,150.007 2,176.716 2,203.102 2,229.175 2,254.947 2,280.427 2,305.626 2,330.552 2,355.215 2,379.622 2,403.781
CAPACITY (MGD) 219.698 310.699 380.527 439.395 491.259 538.147 581.265 621.399 659.093 694.745 728.654 761.055 792.131 822.033 850.885 878.790 905.836 932.098 957.640 982.517 1,006.781 1,030.473 1,053.633 1,076.294 1,098.488 1,120.242 1,141.582 1,162.530 1,183.108 1,203.333 1,223.224 1,242.797 1,262.067 1,281.046 1,299.748 1,318.185 1,336.368 1,354.307 1,372.011 1,389.490 1,406.751 1,423.803 1,440.653 1,457.309 1,473.776 1,490.062 1,506.171 1,522.110 1,537.883 1,553.497
(GPM) 152,568 215,763 264,255 305,136 341,152 373,713 403,656 431,527 457,703 482,462 506,010 528,510 550,091 570,856 590,892 610,271 629,053 647,290 665,027 682,304 699,153 715,606 731,689 747,426 762,839 777,946 792,765 807,313 821,603 835,648 849,461 863,054 876,435 889,615 902,603 915,407 928,033 940,491 952,785 964,923 976,910 988,752 1,000,454 1,012,020 1,023,456 1,034,765 1,045,952 1,057,020 1,067,974 1,078,817
HR= 2.125 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 42.783 43.200 43.613 44.023 44.429 44.831 45.229 45.624 46.016 46.404 46.789 47.171 47.550 47.926 48.299 48.669 49.037 49.401 49.763 50.122 50.479 50.833 51.185 51.534 51.882 52.226 52.569 52.909 53.247 53.583 53.917 54.249 54.578 54.906 55.232 55.556 55.878 56.198 56.517 56.833 57.148 57.461 57.773 58.083 58.391 58.697 59.002 59.306 59.607 59.908
(CFS) 2,427.700 2,451.385 2,474.844 2,498.083 2,521.107 2,543.923 2,566.536 2,588.952 2,611.175 2,633.210 2,655.063 2,676.737 2,698.238 2,719.568 2,740.732 2,761.734 2,782.578 2,803.267 2,823.804 2,844.192 2,864.436 2,884.537 2,904.500 2,924.326 2,944.019 2,963.581 2,983.014 3,002.322 3,021.506 3,040.569 3,059.514 3,078.342 3,097.055 3,115.657 3,134.147 3,152.530 3,170.805 3,188.976 3,207.044 3,225.011 3,242.878 3,260.648 3,278.321 3,295.899 3,313.384 3,330.777 3,348.080 3,365.294 3,382.420 3,399.460
CAPACITY (MGD) 1,568.955 1,584.262 1,599.423 1,614.441 1,629.321 1,644.066 1,658.680 1,673.167 1,687.529 1,701.770 1,715.893 1,729.900 1,743.796 1,757.581 1,771.259 1,784.832 1,798.302 1,811.673 1,824.945 1,838.122 1,851.205 1,864.196 1,877.097 1,889.910 1,902.637 1,915.279 1,927.838 1,940.317 1,952.715 1,965.035 1,977.278 1,989.446 2,001.540 2,013.562 2,025.512 2,037.392 2,049.203 2,060.946 2,072.623 2,084.234 2,095.781 2,107.265 2,118.687 2,130.047 2,141.347 2,152.588 2,163.770 2,174.895 2,185.963 2,196.976
(GPM) 1,089,552 1,100,182 1,110,710 1,121,140 1,131,473 1,141,713 1,151,861 1,161,921 1,171,895 1,181,785 1,191,592 1,201,320 1,210,969 1,220,542 1,230,041 1,239,466 1,248,821 1,258,106 1,267,323 1,276,474 1,285,559 1,294,580 1,303,540 1,312,438 1,321,276 1,330,055 1,338,777 1,347,442 1,356,052 1,364,608 1,373,110 1,381,560 1,389,958 1,398,307 1,406,605 1,414,855 1,423,057 1,431,213 1,439,321 1,447,385 1,455,404 1,463,379 1,471,310 1,479,199 1,487,047 1,494,853 1,502,618 1,510,344 1,518,030 1,525,678
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Philadelphia Water Department Water Sewer Design Manual Velocity and Capacity for 108" RC Pipe N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 6.223 8.801 10.779 12.447 13.916 15.244 16.466 17.603 18.670 19.680 20.641 21.559 22.439 23.286 24.103 24.894 25.660 26.404 27.127 27.832 28.519 29.191 29.847 30.489 31.117 31.733 32.338 32.931 33.514 34.087 34.651 35.205 35.751 36.289 36.818 37.341 37.856 38.364 38.865 39.361 39.850 40.333 40.810 41.282 41.748 42.209 42.666 43.117 43.564 44.006
A= 63.617 (CFS) 395.919 559.914 685.752 791.838 885.301 969.799 1,047.503 1,119.828 1,187.757 1,252.005 1,313.114 1,371.503 1,427.506 1,481.393 1,533.387 1,583.675 1,632.415 1,679.741 1,725.770 1,770.603 1,814.328 1,857.024 1,898.760 1,939.598 1,979.594 2,018.798 2,057.255 2,095.006 2,132.088 2,168.537 2,204.383 2,239.655 2,274.381 2,308.584 2,342.287 2,375.513 2,408.280 2,440.608 2,472.512 2,504.011 2,535.117 2,565.847 2,596.213 2,626.228 2,655.904 2,685.252 2,714.283 2,743.006 2,771.432 2,799.569
CAPACITY (MGD) 255.871 361.857 443.182 511.743 572.146 626.754 676.972 723.713 767.614 809.136 848.629 886.364 922.557 957.383 990.985 1,023.485 1,054.984 1,085.570 1,115.317 1,144.291 1,172.549 1,200.143 1,227.115 1,253.508 1,279.356 1,304.693 1,329.546 1,353.943 1,377.909 1,401.465 1,424.631 1,447.426 1,469.868 1,491.973 1,513.755 1,535.228 1,556.404 1,577.296 1,597.915 1,618.272 1,638.375 1,658.235 1,677.860 1,697.258 1,716.437 1,735.403 1,754.165 1,772.728 1,791.099 1,809.283
(GPM) 177,688 251,289 307,765 355,377 397,323 435,246 470,119 502,579 533,065 561,900 589,326 615,531 640,665 664,849 688,184 710,753 732,628 753,868 774,526 794,647 814,270 833,432 852,163 870,492 888,442 906,036 923,296 940,238 956,881 973,239 989,327 1,005,157 1,020,742 1,036,092 1,051,219 1,066,130 1,080,836 1,095,345 1,109,664 1,123,800 1,137,761 1,151,552 1,165,181 1,178,651 1,191,970 1,205,141 1,218,170 1,231,061 1,243,819 1,256,447
HR= 2.250 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 44.444 44.878 45.307 45.733 46.154 46.572 46.986 47.396 47.803 48.207 48.607 49.004 49.397 49.788 50.175 50.560 50.941 51.320 51.696 52.069 52.440 52.808 53.173 53.536 53.897 54.255 54.611 54.964 55.315 55.664 56.011 56.356 56.698 57.039 57.377 57.714 58.048 58.381 58.712 59.041 59.368 59.693 60.017 60.339 60.659 60.977 61.294 61.609 61.923 62.235
(CFS) 2,827.426 2,855.011 2,882.333 2,909.397 2,936.213 2,962.785 2,989.122 3,015.228 3,041.110 3,066.774 3,092.225 3,117.468 3,142.508 3,167.351 3,192.000 3,216.460 3,240.735 3,264.830 3,288.749 3,312.495 3,336.071 3,359.483 3,382.732 3,405.823 3,428.758 3,451.540 3,474.174 3,496.660 3,519.004 3,541.206 3,563.270 3,585.198 3,606.992 3,628.656 3,650.191 3,671.600 3,692.885 3,714.048 3,735.091 3,756.016 3,776.825 3,797.520 3,818.103 3,838.576 3,858.939 3,879.196 3,899.348 3,919.396 3,939.343 3,959.188
CAPACITY (MGD) 1,827.286 1,845.114 1,862.771 1,880.262 1,897.592 1,914.765 1,931.786 1,948.657 1,965.384 1,981.970 1,998.418 2,014.732 2,030.915 2,046.970 2,062.900 2,078.708 2,094.397 2,109.968 2,125.426 2,140.773 2,156.010 2,171.140 2,186.165 2,201.088 2,215.910 2,230.634 2,245.261 2,259.794 2,274.233 2,288.582 2,302.841 2,317.013 2,331.098 2,345.099 2,359.016 2,372.852 2,386.608 2,400.285 2,413.885 2,427.408 2,440.856 2,454.231 2,467.533 2,480.764 2,493.925 2,507.016 2,520.040 2,532.996 2,545.887 2,558.713
(GPM) 1,268,949 1,281,329 1,293,591 1,305,738 1,317,772 1,329,698 1,341,518 1,353,234 1,364,850 1,376,368 1,387,791 1,399,120 1,410,358 1,421,507 1,432,569 1,443,547 1,454,442 1,465,256 1,475,990 1,486,648 1,497,229 1,507,736 1,518,170 1,528,533 1,538,826 1,549,051 1,559,209 1,569,301 1,579,329 1,589,293 1,599,195 1,609,037 1,618,818 1,628,541 1,638,206 1,647,814 1,657,367 1,666,865 1,676,309 1,685,700 1,695,039 1,704,327 1,713,565 1,722,753 1,731,892 1,740,983 1,750,028 1,759,025 1,767,977 1,776,884
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Philadelphia Water Department Water Sewer Design Manual Velocity and Capacity for 114" RC Pipe N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 6.452 9.124 11.175 12.904 14.427 15.804 17.070 18.249 19.356 20.403 21.398 22.350 23.263 24.141 24.988 25.807 26.602 27.373 28.123 28.854 29.566 30.262 30.942 31.608 32.259 32.898 33.525 34.140 34.744 35.338 35.922 36.497 37.063 37.621 38.170 38.711 39.245 39.772 40.292 40.805 41.312 41.813 42.308 42.797 43.280 43.759 44.232 44.700 45.163 45.622
A= 70.882 (CFS) 457.322 646.751 792.106 914.645 1,022.604 1,120.206 1,209.961 1,293.503 1,371.967 1,446.180 1,516.767 1,584.211 1,648.899 1,711.144 1,771.202 1,829.289 1,885.588 1,940.254 1,993.422 2,045.208 2,095.714 2,145.032 2,193.241 2,240.413 2,286.612 2,331.896 2,376.317 2,419.922 2,462.756 2,504.858 2,546.263 2,587.006 2,627.117 2,666.625 2,705.555 2,743.934 2,781.783 2,819.124 2,855.977 2,892.360 2,928.292 2,963.788 2,998.863 3,033.533 3,067.812 3,101.711 3,135.244 3,168.422 3,201.256 3,233.757
CAPACITY (MGD) 295.555 417.977 511.916 591.109 660.880 723.958 781.964 835.955 886.664 934.626 980.244 1,023.831 1,065.637 1,105.864 1,144.678 1,182.218 1,218.603 1,253.932 1,288.293 1,321.760 1,354.401 1,386.274 1,417.430 1,447.916 1,477.773 1,507.039 1,535.747 1,563.928 1,591.610 1,618.819 1,645.579 1,671.909 1,697.832 1,723.365 1,748.525 1,773.328 1,797.789 1,821.921 1,845.738 1,869.252 1,892.473 1,915.413 1,938.081 1,960.488 1,982.641 2,004.549 2,026.220 2,047.662 2,068.882 2,089.887
(GPM) 205,246 290,262 355,497 410,493 458,945 502,749 543,031 580,524 615,739 649,046 680,725 710,994 740,026 767,961 794,915 820,985 846,252 870,786 894,648 917,889 940,557 962,690 984,327 1,005,497 1,026,231 1,046,555 1,066,491 1,086,061 1,105,285 1,124,180 1,142,763 1,161,048 1,179,050 1,196,781 1,214,253 1,231,478 1,248,464 1,265,223 1,281,763 1,298,091 1,314,217 1,330,148 1,345,890 1,361,450 1,376,834 1,392,048 1,407,098 1,421,988 1,436,724 1,451,310
HR= 2.375 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 46.076 46.525 46.970 47.411 47.848 48.281 48.711 49.136 49.558 49.976 50.391 50.802 51.210 51.615 52.017 52.415 52.811 53.203 53.593 53.980 54.364 54.746 55.125 55.501 55.875 56.246 56.615 56.981 57.345 57.707 58.067 58.424 58.779 59.132 59.483 59.832 60.179 60.524 60.867 61.208 61.547 61.884 62.220 62.553 62.885 63.215 63.544 63.870 64.195 64.519
(CFS) 3,265.935 3,297.798 3,329.357 3,360.619 3,391.593 3,422.287 3,452.708 3,482.863 3,512.760 3,542.404 3,571.802 3,600.960 3,629.884 3,658.579 3,687.051 3,715.304 3,743.345 3,771.177 3,798.805 3,826.233 3,853.467 3,880.509 3,907.364 3,934.036 3,960.528 3,986.844 4,012.987 4,038.962 4,064.770 4,090.415 4,115.901 4,141.230 4,166.405 4,191.428 4,216.304 4,241.033 4,265.619 4,290.064 4,314.370 4,338.541 4,362.577 4,386.482 4,410.257 4,433.905 4,457.427 4,480.826 4,504.103 4,527.260 4,550.300 4,573.223
CAPACITY (MGD) 2,110.682 2,131.275 2,151.670 2,171.874 2,191.892 2,211.728 2,231.388 2,250.877 2,270.198 2,289.356 2,308.355 2,327.199 2,345.892 2,364.437 2,382.838 2,401.097 2,419.219 2,437.206 2,455.061 2,472.787 2,490.388 2,507.864 2,525.220 2,542.457 2,559.578 2,576.585 2,593.481 2,610.268 2,626.947 2,643.521 2,659.992 2,676.361 2,692.631 2,708.803 2,724.879 2,740.861 2,756.750 2,772.548 2,788.257 2,803.877 2,819.411 2,834.860 2,850.226 2,865.508 2,880.710 2,895.832 2,910.875 2,925.841 2,940.731 2,955.546
(GPM) 1,465,752 1,480,052 1,494,215 1,508,246 1,522,147 1,535,922 1,549,575 1,563,109 1,576,526 1,589,831 1,603,025 1,616,111 1,629,092 1,641,970 1,654,748 1,667,429 1,680,013 1,692,504 1,704,904 1,717,213 1,729,436 1,741,572 1,753,625 1,765,595 1,777,485 1,789,295 1,801,029 1,812,686 1,824,269 1,835,778 1,847,216 1,858,584 1,869,882 1,881,113 1,892,277 1,903,376 1,914,410 1,925,381 1,936,289 1,947,137 1,957,925 1,968,653 1,979,323 1,989,936 2,000,493 2,010,994 2,021,441 2,031,834 2,042,175 2,052,463
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Philadelphia Water Department Water Sewer Design Manual Velocity and Capacity for 120" RC Pipe N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 6.676 9.442 11.564 13.353 14.929 16.354 17.664 18.883 20.029 21.112 22.143 23.127 24.072 24.980 25.857 26.705 27.527 28.325 29.101 29.857 30.595 31.315 32.018 32.707 33.382 34.043 34.691 35.328 35.953 36.568 37.172 37.767 38.352 38.929 39.498 40.058 40.610 41.156 41.694 42.225 42.749 43.267 43.779 44.286 44.786 45.281 45.770 46.255 46.734 47.209
A= 78.540 (CFS) 524.356 741.551 908.211 1,048.712 1,172.495 1,284.404 1,387.315 1,483.102 1,573.068 1,658.159 1,739.092 1,816.422 1,890.592 1,961.960 2,030.822 2,097.423 2,161.975 2,224.654 2,285.614 2,344.991 2,402.900 2,459.447 2,514.722 2,568.809 2,621.779 2,673.701 2,724.633 2,774.630 2,823.743 2,872.015 2,919.490 2,966.205 3,012.195 3,057.494 3,102.131 3,146.135 3,189.532 3,232.347 3,274.601 3,316.318 3,357.516 3,398.214 3,438.431 3,478.183 3,517.486 3,556.355 3,594.803 3,632.844 3,670.491 3,707.756
CAPACITY (MGD) 338.877 479.244 586.951 677.753 757.751 830.075 896.583 958.488 1,016.630 1,071.622 1,123.926 1,173.903 1,221.837 1,267.960 1,312.463 1,355.506 1,397.224 1,437.731 1,477.128 1,515.502 1,552.927 1,589.472 1,625.195 1,660.149 1,694.383 1,727.938 1,760.854 1,793.166 1,824.906 1,856.103 1,886.785 1,916.975 1,946.697 1,975.973 2,004.821 2,033.259 2,061.305 2,088.975 2,116.283 2,143.243 2,169.868 2,196.171 2,222.162 2,247.853 2,273.253 2,298.372 2,323.220 2,347.805 2,372.136 2,396.219
(GPM) 235,331 332,808 407,605 470,662 526,216 576,441 622,627 665,616 705,993 744,182 780,504 815,210 848,498 880,528 911,433 941,324 970,294 998,425 1,025,784 1,052,432 1,078,422 1,103,800 1,128,607 1,152,881 1,176,655 1,199,957 1,222,815 1,245,254 1,267,296 1,288,961 1,310,267 1,331,233 1,351,873 1,372,203 1,392,236 1,411,985 1,431,462 1,450,677 1,469,641 1,488,363 1,506,853 1,525,119 1,543,168 1,561,009 1,578,648 1,596,092 1,613,347 1,630,420 1,647,316 1,664,041
HR= 2.500 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 47.678 48.144 48.604 49.061 49.513 49.961 50.405 50.845 51.282 51.714 52.144 52.569 52.992 53.410 53.826 54.239 54.648 55.054 55.458 55.858 56.256 56.650 57.042 57.432 57.819 58.203 58.584 58.964 59.340 59.715 60.087 60.457 60.824 61.189 61.553 61.914 62.272 62.629 62.984 63.337 63.688 64.037 64.384 64.729 65.073 65.414 65.754 66.092 66.428 66.763
(CFS) 3,744.650 3,781.184 3,817.368 3,853.213 3,888.727 3,923.920 3,958.800 3,993.375 4,027.654 4,061.643 4,095.350 4,128.782 4,161.946 4,194.847 4,227.492 4,259.887 4,292.038 4,323.949 4,355.627 4,387.076 4,418.301 4,449.307 4,480.099 4,510.680 4,541.055 4,571.229 4,601.204 4,630.986 4,660.577 4,689.982 4,719.203 4,748.244 4,777.109 4,805.801 4,834.322 4,862.676 4,890.866 4,918.894 4,946.763 4,974.477 5,002.036 5,029.445 5,056.705 5,083.819 5,110.789 5,137.617 5,164.306 5,190.858 5,217.275 5,243.559
CAPACITY (MGD) 2,420.062 2,443.673 2,467.058 2,490.224 2,513.176 2,535.920 2,558.462 2,580.807 2,602.960 2,624.926 2,646.710 2,668.316 2,689.749 2,711.012 2,732.110 2,753.046 2,773.824 2,794.447 2,814.920 2,835.244 2,855.424 2,875.463 2,895.362 2,915.126 2,934.757 2,954.257 2,973.629 2,992.876 3,012.000 3,031.004 3,049.889 3,068.657 3,087.312 3,105.855 3,124.287 3,142.612 3,160.830 3,178.944 3,196.955 3,214.865 3,232.676 3,250.389 3,268.007 3,285.530 3,302.960 3,320.298 3,337.547 3,354.706 3,371.779 3,388.765
(GPM) 1,680,599 1,696,995 1,713,235 1,729,322 1,745,261 1,761,055 1,776,709 1,792,227 1,807,611 1,822,865 1,837,993 1,852,997 1,867,881 1,882,647 1,897,298 1,911,837 1,926,267 1,940,588 1,954,805 1,968,920 1,982,934 1,996,849 2,010,668 2,024,393 2,038,026 2,051,567 2,065,020 2,078,386 2,091,667 2,104,864 2,117,978 2,131,012 2,143,967 2,156,843 2,169,644 2,182,369 2,195,021 2,207,600 2,220,107 2,232,545 2,244,914 2,257,215 2,269,449 2,281,618 2,293,722 2,305,763 2,317,741 2,329,657 2,341,513 2,353,309
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers – Page 2 of 2
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FLOWS & VELOCITIES
Water & Sewer Design Manual
Appendix
VIII
a – Velocities & Flow Capacities for Pipe Sewers • 60” RC Pipe • 10” VC Pipe • 12” VC Pipe • 66” RC Pipe • 15” VC Pipe • 72” RC Pipe • 18” RC Pipe • 78” RC Pipe • 21” RC Pipe • 84” RC Pipe • 24” RC Pipe • 90” RC Pipe • 27” RC Pipe • 96” RC Pipe • 30” RC Pipe • 102” RC Pipe • 36” RC Pipe • 108” RC Pipe • 42” RC Pipe • 114” RC Pipe • 48” RC Pipe • 120” RC Pipe • 54” RC Pipe
Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 1.274 1.801 2.206 2.547 2.848 3.120 3.370 3.603 3.821 4.028 4.225 4.412 4.593 4.766 4.933 5.095 5.252 5.404 5.552 5.696 5.837 5.974 6.109 6.240 6.369 6.495 6.619 6.740 6.859 6.977 7.092 7.205 7.317 7.427 7.536 7.642 7.748 7.852 7.955 8.056 8.156 8.255 8.352 8.449 8.545 8.639 8.732 8.825 8.916 9.007
Water Sewer Design Manual Velocity and Capacity for 10" VC Pipe A= 0.545
(CFS) 0.695 0.982 1.203 1.389 1.553 1.702 1.838 1.965 2.084 2.197 2.304 2.407 2.505 2.599 2.691 2.779 2.864 2.947 3.028 3.107 3.184 3.259 3.332 3.403 3.474 3.542 3.610 3.676 3.741 3.805 3.868 3.930 3.991 4.051 4.110 4.168 4.226 4.283 4.339 4.394 4.448 4.502 4.556 4.608 4.660 4.712 4.763 4.813 4.863 4.912
CAPACITY (MGD) 0.449 0.635 0.778 0.898 1.004 1.100 1.188 1.270 1.347 1.420 1.489 1.555 1.619 1.680 1.739 1.796 1.851 1.905 1.957 2.008 2.057 2.106 2.153 2.200 2.245 2.289 2.333 2.376 2.418 2.459 2.500 2.540 2.579 2.618 2.656 2.694 2.731 2.768 2.804 2.840 2.875 2.910 2.944 2.978 3.012 3.045 3.078 3.111 3.143 3.175
(GPM) 312 441 540 624 697 764 825 882 935 986 1,034 1,080 1,124 1,167 1,208 1,247 1,286 1,323 1,359 1,394 1,429 1,462 1,495 1,527 1,559 1,590 1,620 1,650 1,679 1,708 1,736 1,764 1,791 1,818 1,845 1,871 1,897 1,922 1,947 1,972 1,996 2,021 2,045 2,068 2,092 2,115 2,138 2,160 2,183 2,205
HR= 0.208 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 9.096 9.185 9.273 9.360 9.446 9.532 9.617 9.701 9.784 9.866 9.948 10.029 10.110 10.190 10.269 10.348 10.426 10.504 10.581 10.657 10.733 10.808 10.883 10.957 11.031 11.104 11.177 11.249 11.321 11.393 11.464 11.534 11.604 11.674 11.743 11.812 11.881 11.949 12.016 12.084 12.151 12.217 12.284 12.349 12.415 12.480 12.545 12.609 12.674 12.737
(CFS) 4.961 5.010 5.058 5.105 5.152 5.199 5.245 5.291 5.336 5.381 5.426 5.470 5.514 5.558 5.601 5.644 5.687 5.729 5.771 5.812 5.854 5.895 5.936 5.976 6.016 6.056 6.096 6.136 6.175 6.214 6.252 6.291 6.329 6.367 6.405 6.443 6.480 6.517 6.554 6.591 6.627 6.664 6.700 6.736 6.771 6.807 6.842 6.877 6.912 6.947
CAPACITY (MGD) 3.206 3.238 3.269 3.299 3.330 3.360 3.390 3.419 3.449 3.478 3.507 3.535 3.564 3.592 3.620 3.648 3.675 3.702 3.729 3.756 3.783 3.810 3.836 3.862 3.888 3.914 3.940 3.965 3.991 4.016 4.041 4.066 4.090 4.115 4.139 4.164 4.188 4.212 4.236 4.259 4.283 4.306 4.330 4.353 4.376 4.399 4.422 4.445 4.467 4.490
Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page
(GPM) 2,227 2,248 2,270 2,291 2,312 2,333 2,354 2,375 2,395 2,415 2,435 2,455 2,475 2,494 2,514 2,533 2,552 2,571 2,590 2,609 2,627 2,646 2,664 2,682 2,700 2,718 2,736 2,754 2,771 2,789 2,806 2,823 2,841 2,858 2,875 2,891 2,908 2,925 2,941 2,958 2,974 2,991 3,007 3,023 3,039 3,055 3,071 3,087 3,102 3,118
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 1.438 2.034 2.491 2.877 3.216 3.523 3.806 4.068 4.315 4.549 4.771 4.983 5.186 5.382 5.571 5.753 5.931 6.102 6.270 6.433 6.591 6.747 6.898 7.047 7.192 7.334 7.474 7.611 7.746 7.878 8.008 8.137 8.263 8.387 8.509 8.630 8.749 8.867 8.983 9.097 9.210 9.322 9.432 9.541 9.649 9.755 9.861 9.965 10.069 10.171
Water Sewer Design Manual Velocity and Capacity for 12" VC Pipe A= 0.785
(CFS) 1.130 1.598 1.957 2.259 2.526 2.767 2.989 3.195 3.389 3.572 3.747 3.913 4.073 4.227 4.375 4.519 4.658 4.793 4.924 5.052 5.177 5.299 5.418 5.534 5.648 5.760 5.870 5.978 6.084 6.188 6.290 6.390 6.490 6.587 6.683 6.778 6.872 6.964 7.055 7.145 7.234 7.321 7.408 7.494 7.578 7.662 7.745 7.827 7.908 7.988
CAPACITY (MGD) 0.730 1.032 1.265 1.460 1.633 1.788 1.932 2.065 2.190 2.309 2.421 2.529 2.632 2.732 2.828 2.920 3.010 3.097 3.182 3.265 3.346 3.424 3.501 3.577 3.650 3.723 3.794 3.863 3.932 3.999 4.065 4.130 4.194 4.257 4.319 4.381 4.441 4.501 4.559 4.617 4.675 4.732 4.788 4.843 4.898 4.952 5.005 5.058 5.111 5.162
(GPM) 507 717 878 1,014 1,134 1,242 1,341 1,434 1,521 1,603 1,682 1,756 1,828 1,897 1,964 2,028 2,090 2,151 2,210 2,267 2,323 2,378 2,432 2,484 2,535 2,585 2,634 2,683 2,730 2,777 2,823 2,868 2,913 2,956 2,999 3,042 3,084 3,125 3,166 3,207 3,246 3,286 3,325 3,363 3,401 3,439 3,476 3,513 3,549 3,585
HR= 0.250 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 10.272 10.372 10.471 10.570 10.667 10.764 10.859 10.954 11.048 11.142 11.234 11.326 11.417 11.507 11.596 11.685 11.774 11.861 11.948 12.034 12.120 12.205 12.289 12.373 12.457 12.539 12.622 12.703 12.784 12.865 12.945 13.025 13.104 13.183 13.261 13.339 13.416 13.493 13.570 13.646 13.721 13.796 13.871 13.945 14.019 14.093 14.166 14.239 14.312 14.384
(CFS) 8.068 8.146 8.224 8.301 8.378 8.454 8.529 8.603 8.677 8.751 8.823 8.895 8.967 9.038 9.108 9.178 9.247 9.316 9.384 9.452 9.519 9.586 9.652 9.718 9.783 9.848 9.913 9.977 10.041 10.104 10.167 10.230 10.292 10.354 10.415 10.476 10.537 10.597 10.657 10.717 10.777 10.836 10.894 10.953 11.011 11.069 11.126 11.183 11.240 11.297
CAPACITY (MGD) 5.214 5.265 5.315 5.365 5.414 5.463 5.512 5.560 5.608 5.655 5.702 5.749 5.795 5.841 5.886 5.931 5.976 6.020 6.065 6.108 6.152 6.195 6.238 6.280 6.323 6.365 6.406 6.448 6.489 6.530 6.571 6.611 6.651 6.691 6.731 6.771 6.810 6.849 6.888 6.926 6.965 7.003 7.041 7.078 7.116 7.153 7.191 7.227 7.264 7.301
(GPM) 3,621 3,656 3,691 3,726 3,760 3,794 3,828 3,861 3,894 3,927 3,960 3,992 4,024 4,056 4,088 4,119 4,150 4,181 4,212 4,242 4,272 4,302 4,332 4,361 4,391 4,420 4,449 4,478 4,506 4,535 4,563 4,591 4,619 4,647 4,674 4,702 4,729 4,756 4,783 4,810 4,837 4,863 4,889 4,916 4,942 4,968 4,993 5,019 5,045 5,070
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 1.669 2.360 2.891 3.338 3.732 4.088 4.416 4.721 5.007 5.278 5.536 5.782 6.018 6.245 6.464 6.676 6.882 7.081 7.275 7.464 7.649 7.829 8.005 8.177 8.345 8.511 8.673 8.832 8.988 9.142 9.293 9.442 9.588 9.732 9.874 10.014 10.153 10.289 10.423 10.556 10.687 10.817 10.945 11.071 11.197 11.320 11.443 11.564 11.684 11.802
Water Sewer Design Manual Velocity and Capacity for 15" VC Pipe A= 1.227
(CFS) 2.048 2.897 3.548 4.097 4.580 5.017 5.419 5.793 6.145 6.477 6.793 7.095 7.385 7.664 7.933 8.193 8.445 8.690 8.928 9.160 9.386 9.607 9.823 10.034 10.241 10.444 10.643 10.838 11.030 11.219 11.404 11.587 11.766 11.943 12.118 12.290 12.459 12.626 12.791 12.954 13.115 13.274 13.431 13.587 13.740 13.892 14.042 14.191 14.338 14.483
CAPACITY (MGD) 1.324 1.872 2.293 2.647 2.960 3.242 3.502 3.744 3.971 4.186 4.390 4.586 4.773 4.953 5.127 5.295 5.458 5.616 5.770 5.920 6.066 6.209 6.348 6.485 6.619 6.750 6.878 7.005 7.129 7.250 7.370 7.488 7.604 7.719 7.831 7.942 8.052 8.160 8.267 8.372 8.476 8.579 8.680 8.781 8.880 8.978 9.075 9.171 9.266 9.360
(GPM) 919 1,300 1,592 1,839 2,056 2,252 2,432 2,600 2,758 2,907 3,049 3,184 3,314 3,440 3,560 3,677 3,790 3,900 4,007 4,111 4,213 4,312 4,409 4,503 4,596 4,687 4,777 4,864 4,950 5,035 5,118 5,200 5,281 5,360 5,438 5,516 5,592 5,667 5,741 5,814 5,886 5,957 6,028 6,098 6,167 6,235 6,302 6,369 6,435 6,500
HR= 0.313 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 11.920 12.036 12.151 12.265 12.378 12.490 12.601 12.711 12.820 12.929 13.036 13.142 13.248 13.353 13.457 13.560 13.662 13.764 13.864 13.964 14.064 14.163 14.261 14.358 14.455 14.551 14.646 14.741 14.835 14.929 15.022 15.114 15.206 15.297 15.388 15.478 15.568 15.657 15.746 15.834 15.922 16.009 16.096 16.182 16.268 16.354 16.438 16.523 16.607 16.691
(CFS) 14.628 14.770 14.912 15.052 15.190 15.328 15.464 15.599 15.733 15.866 15.997 16.128 16.258 16.386 16.514 16.640 16.766 16.890 17.014 17.137 17.259 17.380 17.500 17.620 17.738 17.856 17.973 18.090 18.205 18.320 18.434 18.548 18.661 18.773 18.884 18.995 19.105 19.214 19.323 19.432 19.539 19.646 19.753 19.859 19.964 20.069 20.173 20.277 20.380 20.483
CAPACITY (MGD) 9.453 9.546 9.637 9.727 9.817 9.906 9.994 10.081 10.168 10.254 10.339 10.423 10.507 10.590 10.672 10.754 10.835 10.916 10.996 11.075 11.154 11.232 11.310 11.387 11.464 11.540 11.616 11.691 11.766 11.840 11.914 11.987 12.060 12.132 12.204 12.276 12.347 12.418 12.488 12.558 12.628 12.697 12.766 12.834 12.902 12.970 13.037 13.104 13.171 13.237
(GPM) 6,565 6,629 6,692 6,755 6,817 6,879 6,940 7,001 7,061 7,121 7,180 7,238 7,296 7,354 7,411 7,468 7,524 7,580 7,636 7,691 7,746 7,800 7,854 7,908 7,961 8,014 8,066 8,119 8,171 8,222 8,273 8,324 8,375 8,425 8,475 8,525 8,574 8,623 8,672 8,721 8,769 8,817 8,865 8,913 8,960 9,007 9,054 9,100 9,147 9,193
15
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Philadelphia Water Department
N= 0.015 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 1.633 2.310 2.829 3.267 3.653 4.001 4.322 4.620 4.900 5.166 5.418 5.659 5.890 6.112 6.326 6.534 6.735 6.930 7.120 7.305 7.486 7.662 7.834 8.002 8.167 8.329 8.488 8.644 8.797 8.947 9.095 9.240 9.384 9.525 9.664 9.801 9.936 10.069 10.201 10.331 10.459 10.586 10.711 10.835 10.958 11.079 11.199 11.317 11.434 11.551
Water Sewer Design Manual Velocity and Capacity for 18" RC Pipe A= 1.767
(CFS) 2.887 4.082 5.000 5.773 6.455 7.071 7.637 8.165 8.660 9.128 9.574 10.000 10.408 10.801 11.180 11.546 11.902 12.247 12.582 12.909 13.228 13.539 13.844 14.141 14.433 14.719 14.999 15.275 15.545 15.811 16.072 16.329 16.582 16.832 17.077 17.320 17.559 17.794 18.027 18.257 18.483 18.707 18.929 19.148 19.364 19.578 19.790 19.999 20.206 20.411
CAPACITY (MGD) 1.866 2.638 3.231 3.731 4.171 4.570 4.936 5.277 5.597 5.899 6.187 6.462 6.726 6.980 7.225 7.462 7.692 7.915 8.132 8.343 8.549 8.750 8.947 9.139 9.328 9.512 9.694 9.871 10.046 10.218 10.387 10.553 10.717 10.878 11.037 11.193 11.348 11.500 11.650 11.799 11.945 12.090 12.233 12.375 12.514 12.653 12.789 12.925 13.059 13.191
(GPM) 1,296 1,832 2,244 2,591 2,897 3,173 3,428 3,664 3,887 4,097 4,297 4,488 4,671 4,847 5,017 5,182 5,342 5,496 5,647 5,794 5,937 6,076 6,213 6,347 6,478 6,606 6,732 6,855 6,977 7,096 7,213 7,329 7,442 7,554 7,664 7,773 7,880 7,986 8,090 8,194 8,295 8,396 8,495 8,593 8,691 8,787 8,882 8,976 9,069 9,161
HR= 0.375 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 11.665 11.779 11.892 12.004 12.114 12.224 12.333 12.440 12.547 12.653 12.758 12.862 12.965 13.068 13.170 13.271 13.371 13.470 13.569 13.667 13.764 13.861 13.957 14.052 14.146 14.240 14.334 14.427 14.519 14.610 14.701 14.792 14.882 14.971 15.060 15.148 15.236 15.323 15.410 15.497 15.582 15.668 15.753 15.837 15.921 16.005 16.088 16.171 16.253 16.335
(CFS) 20.615 20.816 21.015 21.212 21.408 21.601 21.793 21.984 22.172 22.360 22.545 22.729 22.912 23.093 23.273 23.451 23.628 23.804 23.978 24.151 24.323 24.494 24.663 24.832 24.999 25.165 25.330 25.494 25.657 25.819 25.979 26.139 26.298 26.456 26.613 26.769 26.925 27.079 27.232 27.385 27.537 27.687 27.837 27.987 28.135 28.283 28.430 28.576 28.721 28.866
CAPACITY (MGD) 13.323 13.453 13.581 13.709 13.835 13.960 14.084 14.207 14.329 14.450 14.570 14.689 14.807 14.924 15.040 15.156 15.270 15.384 15.496 15.608 15.719 15.830 15.939 16.048 16.156 16.263 16.370 16.476 16.581 16.686 16.790 16.893 16.996 17.098 17.199 17.300 17.401 17.500 17.599 17.698 17.796 17.894 17.991 18.087 18.183 18.278 18.373 18.468 18.562 18.655
(GPM) 9,252 9,342 9,431 9,520 9,608 9,695 9,781 9,866 9,951 10,035 10,118 10,201 10,283 10,364 10,445 10,525 10,604 10,683 10,761 10,839 10,916 10,993 11,069 11,144 11,219 11,294 11,368 11,442 11,515 11,587 11,660 11,731 11,803 11,874 11,944 12,014 12,084 12,153 12,222 12,290 12,358 12,426 12,493 12,560 12,627 12,693 12,759 12,825 12,890 12,955
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page of 2
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Philadelphia Water Department
N= 0.015 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 1.810 2.560 3.136 3.621 4.048 4.434 4.790 5.120 5.431 5.725 6.004 6.271 6.527 6.773 7.011 7.241 7.464 7.680 7.891 8.096 8.296 8.491 8.682 8.869 9.051 9.231 9.407 9.579 9.749 9.915 10.079 10.241 10.399 10.556 10.710 10.862 11.012 11.159 11.305 11.449 11.591 11.732 11.871 12.008 12.144 12.278 12.411 12.542 12.672 12.801
Water Sewer Design Manual Velocity and Capacity for 21" RC Pipe A= 2.405
(CFS) 4.354 6.158 7.542 8.708 9.736 10.666 11.520 12.316 13.063 13.769 14.441 15.084 15.699 16.292 16.864 17.417 17.953 18.474 18.980 19.473 19.954 20.423 20.882 21.331 21.771 22.202 22.625 23.041 23.448 23.849 24.243 24.631 25.013 25.389 25.760 26.125 26.486 26.841 27.192 27.539 27.881 28.219 28.553 28.883 29.209 29.532 29.851 30.167 30.480 30.789
CAPACITY (MGD) 2.814 3.980 4.874 5.628 6.292 6.893 7.445 7.959 8.442 8.899 9.333 9.748 10.146 10.529 10.899 11.256 11.603 11.939 12.266 12.585 12.895 13.199 13.496 13.786 14.070 14.349 14.622 14.890 15.154 15.413 15.668 15.919 16.165 16.408 16.648 16.884 17.117 17.347 17.574 17.797 18.019 18.237 18.453 18.666 18.877 19.086 19.292 19.496 19.698 19.898
(GPM) 1,954 2,764 3,385 3,908 4,370 4,787 5,170 5,527 5,863 6,180 6,481 6,769 7,046 7,312 7,569 7,817 8,057 8,291 8,518 8,739 8,955 9,166 9,372 9,574 9,771 9,964 10,154 10,341 10,524 10,704 10,880 11,055 11,226 11,395 11,561 11,725 11,887 12,046 12,204 12,359 12,513 12,665 12,814 12,963 13,109 13,254 13,397 13,539 13,679 13,818
HR= 0.438 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 12.928 13.054 13.179 13.303 13.425 13.547 13.667 13.787 13.905 14.022 14.139 14.254 14.369 14.482 14.595 14.707 14.818 14.928 15.037 15.146 15.254 15.361 15.467 15.573 15.678 15.782 15.885 15.988 16.090 16.192 16.293 16.393 16.492 16.592 16.690 16.788 16.885 16.982 17.078 17.174 17.269 17.364 17.458 17.551 17.644 17.737 17.829 17.921 18.012 18.103
(CFS) 31.096 31.399 31.699 31.997 32.292 32.584 32.874 33.161 33.446 33.728 34.008 34.285 34.561 34.834 35.105 35.374 35.641 35.906 36.169 36.430 36.690 36.947 37.203 37.457 37.709 37.959 38.208 38.456 38.701 38.946 39.188 39.429 39.669 39.907 40.144 40.380 40.614 40.846 41.078 41.308 41.537 41.764 41.991 42.216 42.440 42.663 42.884 43.105 43.324 43.542
CAPACITY (MGD) 20.096 20.292 20.486 20.679 20.869 21.058 21.245 21.431 21.615 21.797 21.978 22.158 22.336 22.512 22.687 22.861 23.034 23.205 23.375 23.544 23.711 23.878 24.043 24.207 24.370 24.532 24.693 24.853 25.012 25.169 25.326 25.482 25.637 25.791 25.944 26.096 26.248 26.398 26.547 26.696 26.844 26.991 27.138 27.283 27.428 27.572 27.715 27.857 27.999 28.140
(GPM) 13,956 14,092 14,227 14,360 14,493 14,624 14,754 14,883 15,010 15,137 15,263 15,387 15,511 15,633 15,755 15,876 15,996 16,115 16,233 16,350 16,466 16,582 16,697 16,811 16,924 17,036 17,148 17,259 17,369 17,479 17,588 17,696 17,803 17,910 18,017 18,122 18,227 18,332 18,436 18,539 18,642 18,744 18,845 18,947 19,047 19,147 19,246 19,345 19,444 19,542
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page of 2
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Philadelphia Water Department
N= 0.015 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 1.979 2.798 3.427 3.958 4.425 4.847 5.235 5.597 5.936 6.258 6.563 6.855 7.135 7.404 7.664 7.915 8.159 8.395 8.626 8.850 9.068 9.282 9.490 9.694 9.894 10.090 10.282 10.471 10.656 10.838 11.018 11.194 11.368 11.538 11.707 11.873 12.037 12.198 12.358 12.515 12.671 12.824 12.976 13.126 13.274 13.421 13.566 13.710 13.852 13.992
Water Sewer Design Manual Velocity and Capacity for 24" RC Pipe A= 3.142
(CFS) 6.217 8.792 10.768 12.433 13.901 15.228 16.448 17.583 18.650 19.659 20.618 21.535 22.415 23.261 24.077 24.867 25.632 26.375 27.098 27.802 28.488 29.159 29.814 30.455 31.083 31.699 32.303 32.896 33.478 34.050 34.613 35.167 35.712 36.249 36.778 37.300 37.815 38.322 38.823 39.318 39.806 40.289 40.765 41.237 41.703 42.164 42.619 43.070 43.517 43.959
CAPACITY (MGD) 4.018 5.682 6.959 8.035 8.984 9.841 10.630 11.364 12.053 12.705 13.325 13.918 14.486 15.033 15.560 16.071 16.565 17.046 17.513 17.968 18.411 18.845 19.268 19.682 20.088 20.486 20.876 21.259 21.636 22.006 22.369 22.727 23.080 23.427 23.769 24.106 24.438 24.767 25.090 25.410 25.726 26.037 26.346 26.650 26.951 27.249 27.544 27.835 28.124 28.409
(GPM) 2,790 3,946 4,832 5,580 6,239 6,834 7,382 7,891 8,370 8,823 9,254 9,665 10,060 10,439 10,806 11,160 11,504 11,837 12,162 12,477 12,786 13,086 13,381 13,668 13,950 14,226 14,497 14,764 15,025 15,282 15,534 15,783 16,028 16,269 16,506 16,740 16,971 17,199 17,424 17,646 17,865 18,082 18,296 18,507 18,716 18,923 19,128 19,330 19,530 19,729
HR= 0.500 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 14.132 14.270 14.406 14.541 14.675 14.808 14.940 15.070 15.200 15.328 15.455 15.581 15.706 15.831 15.954 16.076 16.197 16.318 16.437 16.556 16.674 16.791 16.907 17.023 17.137 17.251 17.364 17.477 17.588 17.699 17.809 17.919 18.028 18.136 18.244 18.351 18.457 18.563 18.668 18.773 18.877 18.980 19.083 19.185 19.287 19.388 19.489 19.589 19.689 19.788
(CFS) 44.396 44.829 45.258 45.683 46.104 46.521 46.935 47.345 47.751 48.154 48.554 48.950 49.343 49.733 50.120 50.505 50.886 51.264 51.640 52.012 52.383 52.750 53.115 53.478 53.838 54.196 54.551 54.904 55.255 55.604 55.950 56.294 56.637 56.977 57.315 57.651 57.985 58.318 58.648 58.977 59.303 59.628 59.951 60.273 60.593 60.911 61.227 61.542 61.855 62.167
CAPACITY (MGD) 28.692 28.972 29.249 29.524 29.796 30.065 30.333 30.598 30.860 31.121 31.379 31.635 31.889 32.141 32.391 32.640 32.886 33.131 33.373 33.614 33.853 34.091 34.327 34.561 34.794 35.025 35.255 35.483 35.710 35.935 36.159 36.381 36.603 36.822 37.041 37.258 37.474 37.689 37.903 38.115 38.326 38.536 38.745 38.953 39.159 39.365 39.569 39.773 39.975 40.177
(GPM) 19,925 20,119 20,312 20,503 20,692 20,879 21,064 21,248 21,431 21,612 21,791 21,969 22,145 22,320 22,494 22,666 22,837 23,007 23,176 23,343 23,509 23,674 23,838 24,001 24,162 24,323 24,483 24,641 24,798 24,955 25,110 25,265 25,419 25,571 25,723 25,874 26,024 26,173 26,321 26,469 26,615 26,761 26,906 27,050 27,194 27,337 27,479 27,620 27,761 27,900
Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 2.470 3.493 4.278 4.940 5.523 6.050 6.534 6.986 7.409 7.810 8.191 8.556 8.905 9.241 9.565 9.879 10.183 10.478 10.766 11.045 11.318 11.584 11.845 12.099 12.349 12.593 12.833 13.069 13.300 13.528 13.751 13.971 14.188 14.401 14.611 14.819 15.023 15.225 15.424 15.620 15.814 16.006 16.195 16.383 16.568 16.751 16.932 17.111 17.288 17.464
Water Sewer Design Manual Velocity and Capacity for 27" RC Pipe A= 3.976
(CFS) 9.820 13.888 17.009 19.640 21.958 24.054 25.981 27.775 29.460 31.054 32.569 34.018 35.407 36.743 38.033 39.280 40.489 41.663 42.805 43.917 45.001 46.060 47.095 48.108 49.100 50.073 51.026 51.963 52.882 53.787 54.676 55.550 56.412 57.260 58.096 58.920 59.733 60.535 61.326 62.107 62.879 63.641 64.394 65.139 65.875 66.603 67.323 68.035 68.740 69.438
CAPACITY (MGD) 6.346 8.975 10.992 12.693 14.191 15.545 16.791 17.950 19.039 20.069 21.049 21.985 22.882 23.746 24.580 25.386 26.167 26.926 27.663 28.382 29.083 29.767 30.436 31.091 31.732 32.360 32.977 33.582 34.176 34.761 35.335 35.901 36.457 37.006 37.546 38.078 38.604 39.122 39.633 40.138 40.637 41.129 41.616 42.097 42.573 43.043 43.509 43.969 44.425 44.876
(GPM) 4,407 6,233 7,634 8,814 9,855 10,795 11,660 12,466 13,222 13,937 14,617 15,267 15,890 16,490 17,069 17,629 18,171 18,698 19,211 19,710 20,196 20,672 21,136 21,591 22,036 22,473 22,901 23,321 23,734 24,139 24,538 24,931 25,318 25,698 26,074 26,443 26,808 27,168 27,523 27,874 28,220 28,562 28,900 29,234 29,565 29,891 30,214 30,534 30,851 31,164
HR= 0.563 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 17.638 17.810 17.980 18.149 18.316 18.482 18.646 18.809 18.971 19.131 19.290 19.447 19.603 19.758 19.912 20.065 20.216 20.366 20.516 20.664 20.811 20.957 21.102 21.246 21.389 21.531 21.672 21.812 21.952 22.090 22.228 22.365 22.501 22.636 22.770 22.904 23.037 23.169 23.300 23.430 23.560 23.689 23.818 23.945 24.072 24.199 24.324 24.450 24.574 24.698
(CFS) 70.129 70.813 71.491 72.162 72.827 73.486 74.140 74.787 75.429 76.066 76.697 77.323 77.944 78.560 79.172 79.778 80.380 80.978 81.571 82.160 82.745 83.326 83.902 84.475 85.044 85.609 86.170 86.728 87.282 87.833 88.380 88.924 89.465 90.002 90.536 91.067 91.595 92.120 92.642 93.161 93.677 94.190 94.701 95.209 95.714 96.216 96.716 97.213 97.708 98.200
CAPACITY (MGD) 45.322 45.765 46.203 46.636 47.066 47.492 47.914 48.333 48.748 49.159 49.567 49.972 50.373 50.771 51.166 51.558 51.948 52.334 52.717 53.098 53.476 53.851 54.224 54.594 54.962 55.327 55.690 56.050 56.408 56.764 57.118 57.469 57.819 58.166 58.511 58.854 59.195 59.535 59.872 60.207 60.541 60.873 61.203 61.531 61.857 62.182 62.505 62.826 63.146 63.464
(GPM) 31,474 31,781 32,085 32,386 32,685 32,981 33,274 33,564 33,853 34,138 34,422 34,703 34,981 35,258 35,532 35,805 36,075 36,343 36,609 36,874 37,136 37,397 37,655 37,912 38,168 38,421 38,673 38,924 39,172 39,419 39,665 39,909 40,152 40,393 40,633 40,871 41,108 41,343 41,578 41,811 42,042 42,273 42,502 42,730 42,956 43,182 43,406 43,629 43,851 44,072
27
Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 2.649 3.747 4.589 5.299 5.924 6.490 7.010 7.494 7.948 8.378 8.787 9.178 9.553 9.913 10.261 10.598 10.924 11.241 11.549 11.849 12.142 12.427 12.707 12.980 13.247 13.510 13.767 14.020 14.268 14.512 14.752 14.988 15.220 15.449 15.675 15.897 16.116 16.333 16.546 16.757 16.965 17.171 17.374 17.575 17.773 17.970 18.164 18.356 18.546 18.735
Water Sewer Design Manual Velocity and Capacity for 30" RC Pipe A= 4.909
(CFS) 13.006 18.393 22.526 26.011 29.082 31.857 34.410 36.786 39.017 41.128 43.135 45.053 46.893 48.663 50.371 52.023 53.624 55.178 56.690 58.163 59.599 61.002 62.373 63.715 65.028 66.316 67.579 68.820 70.038 71.235 72.413 73.571 74.712 75.835 76.943 78.034 79.110 80.172 81.220 82.255 83.277 84.286 85.284 86.270 87.245 88.209 89.162 90.106 91.040 91.964
CAPACITY (MGD) 8.405 11.887 14.558 16.810 18.795 20.588 22.238 23.774 25.216 26.580 27.877 29.116 30.305 31.449 32.553 33.621 34.656 35.660 36.637 37.589 38.517 39.424 40.310 41.177 42.026 42.858 43.675 44.476 45.263 46.037 46.798 47.547 48.284 49.010 49.726 50.431 51.127 51.813 52.490 53.159 53.820 54.472 55.117 55.754 56.384 57.007 57.623 58.233 58.836 59.434
(GPM) 5,837 8,255 10,110 11,674 13,052 14,298 15,443 16,509 17,511 18,458 19,359 20,220 21,045 21,840 22,606 23,348 24,066 24,764 25,443 26,104 26,748 27,378 27,993 28,595 29,185 29,763 30,330 30,886 31,433 31,970 32,499 33,019 33,531 34,035 34,532 35,022 35,505 35,981 36,452 36,916 37,375 37,828 38,275 38,718 39,155 39,588 40,016 40,440 40,859 41,273
HR= 0.625 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 18.921 19.106 19.289 19.470 19.649 19.827 20.003 20.178 20.351 20.523 20.693 20.862 21.030 21.196 21.361 21.525 21.687 21.848 22.008 22.167 22.325 22.482 22.637 22.792 22.945 23.098 23.249 23.400 23.549 23.698 23.845 23.992 24.138 24.283 24.427 24.570 24.713 24.854 24.995 25.135 25.275 25.413 25.551 25.688 25.824 25.960 26.094 26.229 26.362 26.495
(CFS) 92.879 93.785 94.683 95.572 96.453 97.326 98.191 99.048 99.898 100.742 101.578 102.407 103.229 104.045 104.855 105.659 106.456 107.248 108.033 108.813 109.588 110.357 111.121 111.879 112.632 113.381 114.124 114.863 115.597 116.326 117.051 117.771 118.487 119.199 119.906 120.610 121.309 122.004 122.695 123.383 124.066 124.746 125.422 126.095 126.764 127.429 128.091 128.750 129.405 130.057
CAPACITY (MGD) 60.025 60.611 61.191 61.765 62.335 62.899 63.458 64.012 64.562 65.106 65.647 66.183 66.714 67.242 67.765 68.284 68.800 69.311 69.819 70.323 70.823 71.321 71.814 72.304 72.791 73.275 73.755 74.233 74.707 75.178 75.647 76.112 76.575 77.035 77.492 77.947 78.399 78.848 79.295 79.739 80.181 80.620 81.057 81.491 81.924 82.354 82.782 83.207 83.631 84.052
(GPM) 41,684 42,091 42,494 42,893 43,288 43,680 44,068 44,453 44,834 45,213 45,588 45,960 46,329 46,696 47,059 47,420 47,777 48,133 48,485 48,835 49,183 49,528 49,871 50,211 50,549 50,885 51,219 51,551 51,880 52,207 52,533 52,856 53,177 53,496 53,814 54,130 54,443 54,755 55,066 55,374 55,681 55,986 56,289 56,591 56,892 57,190 57,487 57,783 58,077 58,369
30
Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 2.992 4.231 5.182 5.984 6.690 7.329 7.916 8.462 8.976 9.461 9.923 10.364 10.788 11.195 11.588 11.968 12.336 12.694 13.041 13.380 13.711 14.033 14.349 14.657 14.960 15.256 15.546 15.832 16.112 16.387 16.658 16.925 17.187 17.446 17.700 17.952 18.199 18.443 18.685 18.923 19.158 19.390 19.619 19.846 20.070 20.292 20.512 20.729 20.943 21.156
Water Sewer Design Manual Velocity and Capacity for 36" RC Pipe A= 7.069
(CFS) 21.149 29.909 36.631 42.297 47.290 51.803 55.954 59.817 63.446 66.878 70.142 73.261 76.253 79.131 81.908 84.595 87.198 89.726 92.185 94.580 96.915 99.196 101.425 103.607 105.743 107.837 109.892 111.908 113.889 115.836 117.751 119.635 121.490 123.317 125.117 126.892 128.642 130.369 132.073 133.756 135.417 137.059 138.681 140.284 141.870 143.437 144.988 146.522 148.041 149.544
CAPACITY (MGD) 13.668 19.329 23.673 27.336 30.562 33.479 36.162 38.658 41.003 43.221 45.331 47.347 49.280 51.140 52.935 54.671 56.354 57.988 59.576 61.124 62.634 64.108 65.548 66.958 68.339 69.692 71.020 72.323 73.603 74.862 76.099 77.317 78.515 79.696 80.860 82.007 83.138 84.254 85.355 86.443 87.517 88.577 89.626 90.662 91.686 92.699 93.702 94.693 95.674 96.646
(GPM) 9,492 13,423 16,440 18,983 21,224 23,249 25,112 26,846 28,475 30,015 31,480 32,880 34,222 35,514 36,760 37,966 39,135 40,269 41,373 42,447 43,496 44,519 45,520 46,499 47,458 48,397 49,319 50,224 51,113 51,987 52,847 53,692 54,525 55,345 56,153 56,949 57,735 58,510 59,275 60,030 60,775 61,512 62,240 62,960 63,671 64,375 65,071 65,759 66,441 67,115
HR= 0.750 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 21.367 21.575 21.782 21.986 22.189 22.390 22.589 22.786 22.981 23.175 23.368 23.558 23.748 23.935 24.122 24.306 24.490 24.672 24.853 25.032 25.210 25.387 25.563 25.737 25.911 26.083 26.254 26.424 26.593 26.761 26.927 27.093 27.258 27.421 27.584 27.746 27.907 28.067 28.226 28.384 28.541 28.698 28.853 29.008 29.162 29.315 29.467 29.619 29.769 29.919
(CFS) 151.032 152.505 153.965 155.410 156.843 158.262 159.669 161.063 162.446 163.817 165.176 166.525 167.862 169.189 170.506 171.813 173.109 174.396 175.674 176.942 178.202 179.452 180.694 181.928 183.153 184.370 185.579 186.780 187.973 189.159 190.338 191.509 192.673 193.831 194.981 196.125 197.262 198.392 199.516 200.634 201.745 202.851 203.950 205.044 206.132 207.214 208.290 209.361 210.426 211.487
CAPACITY (MGD) 97.608 98.560 99.503 100.437 101.363 102.280 103.190 104.091 104.984 105.870 106.749 107.620 108.485 109.342 110.193 111.038 111.876 112.707 113.533 114.353 115.167 115.975 116.778 117.575 118.366 119.153 119.934 120.711 121.482 122.248 123.010 123.767 124.519 125.267 126.011 126.750 127.485 128.215 128.942 129.664 130.382 131.097 131.807 132.514 133.217 133.916 134.612 135.304 135.993 136.678
(GPM) 67,783 68,444 69,099 69,748 70,391 71,028 71,659 72,285 72,906 73,521 74,131 74,736 75,337 75,932 76,523 77,109 77,691 78,269 78,842 79,412 79,977 80,538 81,096 81,649 82,199 82,745 83,288 83,827 84,362 84,895 85,424 85,949 86,472 86,991 87,507 88,021 88,531 89,038 89,543 90,044 90,543 91,039 91,533 92,024 92,512 92,998 93,481 93,961 94,439 94,915
36
Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page of 2 Velocities & Flow Capacities for Pipe Sewers - Page 10 of Back 25 to Appendix VIII
Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 3.316 4.689 5.743 6.631 7.414 8.122 8.773 9.378 9.947 10.485 10.997 11.486 11.955 12.406 12.842 13.263 13.671 14.068 14.453 14.828 15.195 15.552 15.902 16.244 16.579 16.907 17.229 17.545 17.856 18.161 18.461 18.757 19.048 19.334 19.616 19.894 20.169 20.440 20.707 20.971 21.231 21.489 21.743 21.994 22.243 22.489 22.732 22.972 23.210 23.446
Water Sewer Design Manual Velocity and Capacity for 42" RC Pipe A= 9.621
(CFS) 31.901 45.115 55.255 63.802 71.333 78.142 84.403 90.230 95.704 100.881 105.804 110.509 115.022 119.364 123.553 127.605 131.532 135.346 139.054 142.667 146.190 149.630 152.993 156.284 159.506 162.665 165.764 168.806 171.793 174.730 177.619 180.461 183.259 186.015 188.730 191.407 194.048 196.652 199.223 201.761 204.268 206.744 209.190 211.609 214.000 216.365 218.704 221.018 223.309 225.576
CAPACITY (MGD) 20.617 29.157 35.709 41.234 46.101 50.501 54.547 58.313 61.851 65.196 68.378 71.419 74.335 77.141 79.849 82.468 85.006 87.470 89.867 92.201 94.478 96.702 98.875 101.002 103.084 105.126 107.128 109.094 111.025 112.923 114.790 116.627 118.435 120.216 121.971 123.701 125.408 127.091 128.752 130.393 132.012 133.613 135.194 136.757 138.302 139.830 141.342 142.838 144.318 145.783
(GPM) 14,317 20,248 24,798 28,635 32,014 35,070 37,880 40,495 42,952 45,275 47,485 49,597 51,622 53,570 55,451 57,269 59,032 60,743 62,408 64,029 65,610 67,154 68,663 70,140 71,586 73,004 74,395 75,760 77,101 78,419 79,715 80,991 82,246 83,483 84,702 85,904 87,089 88,258 89,411 90,550 91,675 92,787 93,885 94,970 96,043 97,104 98,154 99,193 100,221 101,238
HR= 0.875 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 23.679 23.910 24.139 24.366 24.590 24.813 25.033 25.252 25.469 25.684 25.897 26.108 26.318 26.526 26.732 26.937 27.141 27.342 27.543 27.742 27.939 28.135 28.330 28.523 28.715 28.906 29.096 29.284 29.471 29.657 29.842 30.025 30.208 30.389 30.570 30.749 30.927 31.104 31.281 31.456 31.630 31.804 31.976 32.147 32.318 32.488 32.656 32.824 32.991 33.157
(CFS) 227.820 230.043 232.245 234.425 236.586 238.727 240.849 242.953 245.038 247.106 249.157 251.191 253.208 255.210 257.196 259.167 261.123 263.064 264.992 266.905 268.805 270.691 272.564 274.425 276.273 278.109 279.932 281.744 283.544 285.333 287.111 288.878 290.634 292.380 294.115 295.840 297.555 299.260 300.956 302.642 304.318 305.986 307.644 309.294 310.935 312.567 314.191 315.806 317.413 319.012
CAPACITY (MGD) 147.234 148.670 150.093 151.503 152.899 154.283 155.654 157.013 158.361 159.698 161.023 162.337 163.641 164.935 166.219 167.492 168.756 170.011 171.257 172.493 173.721 174.940 176.151 177.353 178.547 179.734 180.912 182.083 183.247 184.403 185.552 186.694 187.829 188.957 190.078 191.193 192.301 193.403 194.499 195.589 196.672 197.750 198.822 199.888 200.948 202.003 203.053 204.097 205.135 206.169
(GPM) 102,246 103,243 104,231 105,210 106,180 107,141 108,093 109,037 109,973 110,901 111,822 112,734 113,640 114,538 115,430 116,314 117,192 118,063 118,928 119,787 120,640 121,486 122,327 123,162 123,991 124,815 125,634 126,447 127,255 128,058 128,855 129,648 130,437 131,220 131,999 132,773 133,543 134,308 135,069 135,826 136,578 137,326 138,071 138,811 139,548 140,280 141,009 141,734 142,455 143,173
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 3.624 5.126 6.278 7.249 8.105 8.878 9.589 10.252 10.873 11.462 12.021 12.555 13.068 13.561 14.037 14.498 14.944 15.377 15.799 16.209 16.609 17.000 17.382 17.756 18.122 18.481 18.833 19.179 19.518 19.852 20.180 20.503 20.821 21.134 21.443 21.747 22.047 22.343 22.635 22.923 23.208 23.489 23.767 24.042 24.314 24.582 24.848 25.111 25.371 25.629
Water Sewer Design Manual Velocity and Capacity for 48" RC Pipe A= 12.566
(CFS) 45.546 64.412 78.888 91.093 101.845 111.565 120.504 128.824 136.639 144.030 151.060 157.777 164.219 170.419 176.400 182.185 187.792 193.236 198.532 203.689 208.719 213.631 218.432 223.130 227.731 232.241 236.665 241.008 245.274 249.467 253.591 257.649 261.643 265.578 269.455 273.278 277.047 280.766 284.436 288.060 291.638 295.174 298.667 302.120 305.534 308.910 312.249 315.554 318.824 322.061
CAPACITY (MGD) 29.435 41.628 50.983 58.871 65.819 72.101 77.878 83.256 88.306 93.083 97.626 101.967 106.130 110.137 114.002 117.741 121.365 124.883 128.305 131.639 134.889 138.064 141.167 144.203 147.176 150.091 152.950 155.757 158.514 161.224 163.889 166.511 169.093 171.636 174.141 176.612 179.048 181.451 183.823 186.165 188.478 190.762 193.020 195.252 197.458 199.640 201.798 203.934 206.047 208.139
(GPM) 20,441 28,908 35,405 40,882 45,708 50,070 54,082 57,816 61,323 64,641 67,796 70,810 73,702 76,484 79,168 81,765 84,281 86,725 89,101 91,416 93,673 95,878 98,032 100,141 102,206 104,230 106,215 108,164 110,079 111,961 113,812 115,633 117,426 119,191 120,932 122,647 124,339 126,008 127,655 129,281 130,887 132,474 134,042 135,591 137,123 138,639 140,138 141,621 143,088 144,541
HR= 1.000 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 25.884 26.136 26.386 26.634 26.880 27.123 27.364 27.603 27.840 28.075 28.308 28.539 28.768 28.996 29.221 29.445 29.667 29.888 30.107 30.324 30.540 30.755 30.967 31.179 31.389 31.597 31.804 32.010 32.215 32.418 32.620 32.821 33.020 33.219 33.416 33.612 33.807 34.000 34.193 34.385 34.575 34.765 34.953 35.140 35.327 35.512 35.697 35.880 36.063 36.245
(CFS) 325.265 328.439 331.582 334.695 337.780 340.837 343.867 346.870 349.848 352.800 355.728 358.632 361.512 364.370 367.206 370.020 372.812 375.584 378.336 381.067 383.780 386.473 389.147 391.804 394.442 397.063 399.667 402.254 404.824 407.378 409.916 412.439 414.946 417.438 419.916 422.379 424.827 427.262 429.683 432.090 434.484 436.864 439.232 441.587 443.930 446.260 448.579 450.885 453.180 455.463
CAPACITY (MGD) 210.210 212.261 214.292 216.304 218.298 220.273 222.231 224.172 226.097 228.005 229.897 231.774 233.635 235.482 237.315 239.133 240.938 242.730 244.508 246.273 248.026 249.767 251.495 253.212 254.917 256.611 258.294 259.965 261.626 263.277 264.917 266.548 268.168 269.779 271.380 272.972 274.554 276.127 277.692 279.248 280.795 282.333 283.864 285.386 286.900 288.406 289.904 291.394 292.877 294.353
(GPM) 145,979 147,403 148,814 150,211 151,596 152,968 154,327 155,675 157,012 158,337 159,651 160,954 162,247 163,529 164,802 166,065 167,318 168,562 169,797 171,023 172,240 173,449 174,649 175,842 177,026 178,202 179,370 180,531 181,685 182,831 183,970 185,103 186,228 187,346 188,458 189,564 190,662 191,755 192,842 193,922 194,996 196,065 197,127 198,184 199,236 200,282 201,322 202,357 203,387 204,412
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page 1 of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 3.921 5.544 6.791 7.841 8.767 9.603 10.373 11.089 11.762 12.398 13.003 13.581 14.136 14.669 15.184 15.682 16.165 16.633 17.089 17.533 17.966 18.389 18.802 19.207 19.603 19.991 20.372 20.745 21.113 21.474 21.829 22.178 22.522 22.860 23.194 23.523 23.848 24.168 24.484 24.796 25.104 25.408 25.709 26.006 26.300 26.590 26.878 27.162 27.444 27.722
Water Sewer Design Manual Velocity and Capacity for 54" RC Pipe A= 15.904
(CFS) 62.353 88.181 107.999 124.707 139.426 152.734 164.971 176.362 187.060 197.178 206.803 215.998 224.818 233.305 241.493 249.413 257.089 264.543 271.792 278.852 285.739 292.463 299.036 305.468 311.767 317.941 323.997 329.943 335.783 341.523 347.169 352.724 358.192 363.579 368.887 374.120 379.280 384.372 389.396 394.357 399.256 404.096 408.878 413.605 418.279 422.901 427.473 431.996 436.473 440.904
CAPACITY (MGD) 40.297 56.989 69.797 80.594 90.107 98.708 106.616 113.978 120.892 127.431 133.651 139.594 145.294 150.778 156.070 161.189 166.150 170.967 175.651 180.215 184.665 189.011 193.259 197.415 201.486 205.476 209.390 213.233 217.007 220.717 224.365 227.955 231.490 234.971 238.401 241.783 245.118 248.409 251.656 254.862 258.028 261.156 264.246 267.301 270.322 273.309 276.264 279.187 282.080 284.944
(GPM) 27,984 39,576 48,470 55,968 62,574 68,547 74,039 79,151 83,952 88,494 92,813 96,940 100,898 104,707 108,382 111,937 115,382 118,727 121,980 125,149 128,240 131,257 134,207 137,094 139,921 142,692 145,410 148,078 150,699 153,276 155,809 158,302 160,757 163,174 165,557 167,905 170,221 172,506 174,761 176,987 179,186 181,358 183,504 185,626 187,723 189,798 191,850 193,880 195,889 197,878
HR= 1.125 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 27.998 28.271 28.542 28.810 29.075 29.339 29.599 29.858 30.114 30.368 30.620 30.870 31.118 31.364 31.608 31.851 32.091 32.330 32.566 32.801 33.035 33.267 33.497 33.726 33.953 34.178 34.402 34.625 34.846 35.066 35.285 35.502 35.718 35.932 36.145 36.357 36.568 36.778 36.986 37.193 37.399 37.604 37.808 38.011 38.213 38.413 38.613 38.811 39.009 39.205
(CFS) 445.292 449.636 453.939 458.201 462.425 466.609 470.757 474.869 478.945 482.987 486.995 490.970 494.914 498.826 502.708 506.561 510.384 514.179 517.945 521.685 525.398 529.085 532.747 536.383 539.995 543.584 547.148 550.690 554.208 557.705 561.180 564.633 568.066 571.478 574.869 578.241 581.593 584.926 588.240 591.535 594.813 598.072 601.314 604.538 607.745 610.935 614.109 617.266 620.408 623.533
CAPACITY (MGD) 287.780 290.587 293.368 296.123 298.852 301.557 304.237 306.894 309.529 312.141 314.731 317.300 319.849 322.378 324.886 327.376 329.847 332.299 334.734 337.151 339.550 341.933 344.299 346.650 348.984 351.303 353.606 355.895 358.169 360.429 362.675 364.907 367.125 369.330 371.522 373.701 375.867 378.021 380.163 382.293 384.411 386.517 388.612 390.696 392.768 394.830 396.881 398.922 400.952 402.972
(GPM) 199,847 201,797 203,728 205,641 207,536 209,414 211,276 213,121 214,950 216,764 218,563 220,348 222,117 223,873 225,616 227,344 229,060 230,763 232,454 234,132 235,799 237,454 239,097 240,729 242,350 243,960 245,560 247,149 248,729 250,298 251,857 253,407 254,948 256,479 258,001 259,514 261,019 262,515 264,002 265,481 266,952 268,415 269,870 271,317 272,756 274,188 275,612 277,029 278,439 279,842
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page 1 of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 4.206 5.948 7.285 8.412 9.404 10.302 11.128 11.896 12.617 13.300 13.949 14.569 15.164 15.737 16.289 16.823 17.341 17.844 18.333 18.809 19.273 19.727 20.170 20.604 21.029 21.446 21.854 22.255 22.649 23.036 23.417 23.792 24.161 24.524 24.882 25.235 25.583 25.926 26.265 26.600 26.930 27.257 27.579 27.898 28.213 28.525 28.834 29.139 29.441 29.740
Water Sewer Design Manual Velocity and Capacity for 60" RC Pipe A= 19.635
(CFS) 82.581 116.787 143.034 165.162 184.656 202.281 218.488 233.574 247.743 261.144 273.890 286.069 297.750 308.989 319.834 330.324 340.490 350.361 359.962 369.313 378.433 387.339 396.044 404.562 412.904 421.081 429.103 436.977 444.712 452.314 459.791 467.148 474.391 481.525 488.555 495.485 502.320 509.063 515.717 522.287 528.776 535.185 541.519 547.780 553.969 560.091 566.146 572.137 578.066 583.935
CAPACITY (MGD) 53.370 75.476 92.439 106.739 119.338 130.729 141.203 150.952 160.109 168.770 177.007 184.878 192.427 199.691 206.700 213.479 220.049 226.428 232.633 238.677 244.571 250.326 255.952 261.457 266.849 272.133 277.317 282.406 287.405 292.318 297.150 301.905 306.586 311.196 315.739 320.218 324.635 328.993 333.294 337.540 341.733 345.875 349.969 354.015 358.015 361.971 365.884 369.756 373.588 377.381
(GPM) 37,062 52,414 64,194 74,125 82,874 90,784 98,058 104,828 111,187 117,201 122,922 128,388 133,630 138,674 143,542 148,249 152,812 157,242 161,551 165,748 169,841 173,838 177,745 181,567 185,311 188,981 192,581 196,115 199,587 202,999 206,354 209,656 212,907 216,108 219,264 222,374 225,441 228,467 231,454 234,403 237,314 240,191 243,034 245,843 248,621 251,369 254,086 256,775 259,436 262,070
HR= 1.250 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 30.035 30.329 30.619 30.906 31.191 31.473 31.753 32.030 32.305 32.578 32.848 33.117 33.383 33.646 33.908 34.168 34.426 34.682 34.936 35.188 35.439 35.687 35.934 36.180 36.423 36.665 36.906 37.145 37.382 37.618 37.852 38.085 38.317 38.547 38.776 39.003 39.229 39.454 39.678 39.900 40.121 40.341 40.559 40.777 40.993 41.208 41.422 41.635 41.847 42.058
(CFS) 589.745 595.499 601.198 606.843 612.436 617.979 623.472 628.917 634.316 639.669 644.977 650.242 655.465 660.647 665.788 670.890 675.954 680.979 685.968 690.921 695.839 700.722 705.571 710.388 715.171 719.923 724.644 729.335 733.995 738.626 743.228 747.802 752.348 756.866 761.358 765.824 770.263 774.677 779.066 783.431 787.771 792.088 796.381 800.651 804.899 809.124 813.327 817.509 821.669 825.809
CAPACITY (MGD) 381.136 384.854 388.537 392.186 395.800 399.382 402.932 406.452 409.941 413.400 416.831 420.233 423.609 426.958 430.280 433.578 436.850 440.098 443.322 446.523 449.701 452.857 455.991 459.104 462.195 465.266 468.317 471.348 474.360 477.353 480.327 483.283 486.221 489.141 492.044 494.930 497.799 500.652 503.489 506.310 509.115 511.904 514.679 517.439 520.184 522.914 525.631 528.333 531.022 533.697
(GPM) 264,678 267,260 269,818 272,351 274,861 277,349 279,814 282,258 284,681 287,083 289,466 291,829 294,173 296,498 298,806 301,096 303,368 305,624 307,863 310,085 312,292 314,484 316,660 318,822 320,969 323,102 325,220 327,325 329,417 331,495 333,561 335,613 337,654 339,682 341,697 343,702 345,694 347,675 349,645 351,604 353,552 355,489 357,416 359,332 361,239 363,135 365,021 366,898 368,765 370,623
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page 1 of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 4.482 6.338 7.763 8.963 10.021 10.978 11.858 12.676 13.445 14.172 14.864 15.525 16.159 16.769 17.358 17.927 18.479 19.014 19.535 20.043 20.538 21.021 21.494 21.956 22.409 22.852 23.288 23.715 24.135 24.547 24.953 25.352 25.746 26.133 26.514 26.890 27.261 27.627 27.988 28.345 28.697 29.045 29.389 29.728 30.064 30.397 30.725 31.050 31.372 31.691
Water Sewer Design Manual Velocity and Capacity for 66" RC Pipe A= 23.758
(CFS) 106.478 150.583 184.425 212.956 238.092 260.817 281.714 301.165 319.434 336.713 353.148 368.851 383.912 398.404 412.388 425.912 439.020 451.748 464.127 476.184 487.944 499.426 510.651 521.634 532.390 542.934 553.276 563.429 573.402 583.204 592.845 602.331 611.670 620.868 629.932 638.868 647.681 656.375 664.955 673.426 681.792 690.056 698.223 706.295 714.276 722.169 729.977 737.701 745.346 752.913
CAPACITY (MGD) 68.814 97.317 119.189 137.628 153.872 168.559 182.064 194.635 206.441 217.608 228.229 238.378 248.112 257.478 266.515 275.255 283.726 291.952 299.952 307.745 315.344 322.765 330.019 337.117 344.069 350.883 357.567 364.128 370.573 376.909 383.139 389.269 395.305 401.250 407.108 412.883 418.578 424.197 429.742 435.216 440.623 445.964 451.242 456.459 461.617 466.718 471.763 476.756 481.696 486.587
(GPM) 47,787 67,581 82,770 95,575 106,856 117,055 126,433 135,163 143,362 151,117 158,493 165,540 172,300 178,804 185,080 191,149 197,032 202,744 208,300 213,711 218,989 224,142 229,180 234,109 238,937 243,669 248,310 252,867 257,343 261,742 266,069 270,326 274,517 278,646 282,714 286,724 290,679 294,581 298,432 302,234 305,988 309,697 313,363 316,985 320,567 324,109 327,613 331,080 334,511 337,907
HR= 1.375 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 32.006 32.318 32.627 32.934 33.237 33.538 33.836 34.132 34.425 34.715 35.003 35.289 35.573 35.854 36.133 36.410 36.684 36.957 37.228 37.497 37.764 38.029 38.292 38.553 38.813 39.071 39.327 39.581 39.834 40.086 40.335 40.584 40.830 41.076 41.319 41.562 41.803 42.042 42.280 42.517 42.753 42.987 43.220 43.452 43.682 43.912 44.140 44.367 44.593 44.817
(CFS) 760.405 767.824 775.172 782.450 789.662 796.809 803.891 810.912 817.873 824.775 831.620 838.409 845.143 851.824 858.453 865.032 871.560 878.040 884.473 890.859 897.200 903.496 909.749 915.959 922.127 928.254 934.341 940.388 946.397 952.368 958.302 964.199 970.061 975.887 981.679 987.437 993.161 998.852 1,004.512 1,010.139 1,015.736 1,021.301 1,026.837 1,032.343 1,037.819 1,043.267 1,048.687 1,054.079 1,059.443 1,064.780
CAPACITY (MGD) 491.429 496.223 500.972 505.676 510.337 514.955 519.533 524.070 528.569 533.029 537.453 541.840 546.192 550.510 554.794 559.046 563.265 567.453 571.610 575.737 579.835 583.904 587.945 591.958 595.945 599.904 603.838 607.747 611.630 615.489 619.324 623.135 626.923 630.689 634.432 638.153 641.852 645.530 649.188 652.825 656.441 660.038 663.616 667.174 670.714 674.234 677.737 681.222 684.688 688.138
(GPM) 341,270 344,599 347,897 351,164 354,400 357,608 360,786 363,938 367,061 370,159 373,231 376,278 379,300 382,299 385,274 388,226 391,156 394,064 396,951 399,818 402,663 405,489 408,295 411,082 413,850 416,600 419,332 422,046 424,743 427,423 430,086 432,733 435,363 437,978 440,577 443,162 445,731 448,285 450,825 453,350 455,862 458,360 460,844 463,315 465,773 468,218 470,651 473,070 475,478 477,873
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 4.749 6.717 8.226 9.499 10.620 11.634 12.566 13.433 14.248 15.019 15.752 16.452 17.124 17.771 18.394 18.998 19.582 20.150 20.702 21.240 21.764 22.277 22.777 23.267 23.747 24.217 24.679 25.131 25.576 26.013 26.443 26.867 27.283 27.693 28.098 28.496 28.889 29.277 29.660 30.038 30.411 30.780 31.144 31.504 31.860 32.212 32.560 32.905 33.246 33.583
Water Sewer Design Manual Velocity and Capacity for 72" RC Pipe A= 28.274
(CFS) 134.286 189.909 232.589 268.571 300.272 328.931 355.286 379.817 402.857 424.648 445.375 465.179 484.174 502.451 520.086 537.142 553.674 569.726 585.337 600.543 615.374 629.855 644.011 657.862 671.428 684.725 697.768 710.573 723.150 735.513 747.671 759.634 771.412 783.013 794.444 805.714 816.827 827.792 838.613 849.297 859.847 870.270 880.570 890.750 900.815 910.769 920.616 930.358 939.999 949.543
CAPACITY (MGD) 86.785 122.733 150.316 173.570 194.057 212.579 229.612 245.465 260.355 274.438 287.833 300.632 312.908 324.720 336.117 347.140 357.824 368.198 378.287 388.114 397.699 407.058 416.206 425.158 433.925 442.519 450.948 459.223 467.352 475.341 483.199 490.930 498.542 506.039 513.427 520.710 527.893 534.979 541.972 548.877 555.695 562.431 569.087 575.667 582.172 588.605 594.968 601.264 607.495 613.663
(GPM) 60,267 85,231 104,386 120,535 134,762 147,624 159,453 170,462 180,802 190,582 199,884 208,772 217,297 225,500 233,415 241,070 248,489 255,693 262,699 269,524 276,180 282,679 289,032 295,249 301,337 307,305 313,158 318,905 324,550 330,098 335,555 340,924 346,210 351,416 356,547 361,604 366,592 371,513 376,370 381,164 385,900 390,577 395,200 399,769 404,286 408,753 413,172 417,545 421,872 426,155
HR= 1.500 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 33.917 34.248 34.576 34.901 35.222 35.541 35.857 36.170 36.481 36.789 37.094 37.397 37.697 37.995 38.291 38.584 38.875 39.164 39.451 39.736 40.019 40.300 40.579 40.856 41.131 41.404 41.676 41.945 42.213 42.480 42.744 43.007 43.269 43.529 43.787 44.044 44.299 44.553 44.806 45.057 45.306 45.554 45.801 46.047 46.291 46.534 46.776 47.016 47.256 47.494
(CFS) 958.991 968.347 977.614 986.794 995.889 1,004.901 1,013.834 1,022.689 1,031.467 1,040.172 1,048.804 1,057.366 1,065.859 1,074.285 1,082.645 1,090.941 1,099.175 1,107.347 1,115.460 1,123.514 1,131.511 1,139.451 1,147.337 1,155.168 1,162.947 1,170.675 1,178.351 1,185.978 1,193.557 1,201.087 1,208.570 1,216.008 1,223.400 1,230.748 1,238.052 1,245.314 1,252.533 1,259.711 1,266.848 1,273.945 1,281.003 1,288.022 1,295.004 1,301.947 1,308.854 1,315.725 1,322.560 1,329.360 1,336.125 1,342.856
CAPACITY (MGD) 619.769 625.816 631.805 637.737 643.615 649.440 655.213 660.935 666.608 672.234 677.813 683.346 688.835 694.280 699.683 705.045 710.366 715.648 720.891 726.096 731.264 736.395 741.492 746.553 751.580 756.574 761.536 766.465 771.362 776.229 781.065 785.872 790.649 795.398 800.118 804.811 809.477 814.116 818.728 823.315 827.876 832.413 836.925 841.412 845.876 850.316 854.733 859.128 863.500 867.850
(GPM) 430,395 434,594 438,753 442,873 446,955 451,000 455,009 458,983 462,923 466,829 470,703 474,546 478,358 482,139 485,891 489,615 493,310 496,978 500,618 504,233 507,822 511,386 514,925 518,440 521,931 525,399 528,844 532,267 535,668 539,048 542,406 545,744 549,062 552,360 555,638 558,897 562,137 565,358 568,561 571,747 574,914 578,064 581,198 584,314 587,414 590,497 593,565 596,617 599,653 602,674
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page 1 of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 5.010 7.085 8.677 10.019 11.202 12.271 13.254 14.170 15.029 15.842 16.615 17.354 18.063 18.745 19.402 20.039 20.656 21.254 21.837 22.404 22.957 23.498 24.026 24.542 25.049 25.545 26.031 26.509 26.978 27.439 27.893 28.339 28.779 29.211 29.638 30.058 30.473 30.882 31.286 31.684 32.078 32.467 32.851 33.231 33.606 33.977 34.345 34.708 35.068 35.424
Water Sewer Design Manual Velocity and Capacity for 78" RC Pipe A= 33.183
(CFS) 166.237 235.095 287.931 332.475 371.718 407.197 439.822 470.190 498.712 525.688 551.347 575.863 599.377 622.003 643.834 664.949 685.414 705.285 724.611 743.436 761.795 779.722 797.246 814.393 831.186 847.647 863.794 879.645 895.215 910.519 925.570 940.380 954.960 969.322 983.473 997.424 1,011.182 1,024.755 1,038.151 1,051.377 1,064.438 1,077.341 1,090.091 1,102.693 1,115.154 1,127.476 1,139.665 1,151.726 1,163.661 1,175.475
CAPACITY (MGD) 107.434 151.935 186.082 214.869 240.231 263.160 284.245 303.871 322.303 339.738 356.320 372.164 387.361 401.983 416.092 429.738 442.964 455.806 468.296 480.462 492.327 503.912 515.238 526.319 537.172 547.811 558.246 568.490 578.552 588.443 598.170 607.741 617.164 626.445 635.591 644.607 653.499 662.271 670.928 679.475 687.916 696.255 704.495 712.640 720.693 728.656 736.534 744.328 752.041 759.677
(GPM) 74,607 105,511 129,224 149,215 166,827 182,750 197,392 211,021 223,822 235,929 247,444 258,447 269,000 279,155 288,953 298,429 307,614 316,532 325,206 333,654 341,894 349,939 357,804 365,500 373,036 380,424 387,671 394,785 401,773 408,641 415,396 422,043 428,586 435,032 441,383 447,644 453,818 459,910 465,922 471,858 477,720 483,511 489,233 494,889 500,481 506,011 511,482 516,894 522,251 527,553
HR= 1.625 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 35.776 36.125 36.471 36.814 37.153 37.489 37.822 38.153 38.480 38.805 39.127 39.446 39.763 40.078 40.390 40.699 41.006 41.311 41.614 41.914 42.212 42.509 42.803 43.095 43.385 43.674 43.960 44.244 44.527 44.808 45.087 45.365 45.641 45.915 46.187 46.458 46.727 46.995 47.261 47.526 47.790 48.051 48.312 48.571 48.829 49.085 49.340 49.594 49.846 50.097
(CFS) 1,187.172 1,198.754 1,210.226 1,221.590 1,232.849 1,244.006 1,255.064 1,266.025 1,276.893 1,287.668 1,298.355 1,308.954 1,319.467 1,329.898 1,340.248 1,350.518 1,360.711 1,370.828 1,380.871 1,390.841 1,400.740 1,410.570 1,420.332 1,430.027 1,439.657 1,449.223 1,458.726 1,468.168 1,477.549 1,486.871 1,496.136 1,505.343 1,514.494 1,523.590 1,532.632 1,541.621 1,550.558 1,559.444 1,568.279 1,577.065 1,585.803 1,594.492 1,603.134 1,611.730 1,620.281 1,628.786 1,637.247 1,645.665 1,654.040 1,662.373
CAPACITY (MGD) 767.236 774.721 782.135 789.479 796.756 803.966 811.113 818.197 825.220 832.184 839.090 845.940 852.735 859.476 866.165 872.802 879.389 885.928 892.418 898.862 905.259 911.612 917.921 924.187 930.410 936.592 942.734 948.836 954.899 960.923 966.910 972.861 978.775 984.653 990.497 996.307 1,002.082 1,007.825 1,013.535 1,019.213 1,024.860 1,030.476 1,036.061 1,041.616 1,047.142 1,052.639 1,058.107 1,063.547 1,068.960 1,074.345
(GPM) 532,803 538,001 543,149 548,249 553,302 558,310 563,273 568,192 573,069 577,906 582,702 587,458 592,177 596,858 601,503 606,112 610,687 615,227 619,735 624,209 628,652 633,064 637,445 641,796 646,118 650,411 654,676 658,914 663,124 667,308 671,466 675,598 679,705 683,787 687,845 691,880 695,890 699,878 703,844 707,787 711,708 715,608 719,487 723,345 727,182 730,999 734,797 738,574 742,333 746,073
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page 1 of
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 5.263 7.444 9.117 10.527 11.769 12.893 13.926 14.887 15.790 16.644 17.457 18.233 18.978 19.694 20.385 21.054 21.702 22.331 22.943 23.539 24.120 24.688 25.242 25.785 26.317 26.838 27.350 27.851 28.344 28.829 29.305 29.774 30.236 30.691 31.139 31.581 32.016 32.446 32.870 33.289 33.702 34.111 34.515 34.914 35.308 35.698 36.084 36.466 36.844 37.218
Water Sewer Design Manual Velocity and Capacity for 84" RC Pipe A= 38.485
(CFS) 202.560 286.463 350.845 405.121 452.939 496.169 535.924 572.927 607.681 640.552 671.816 701.689 730.341 757.911 784.513 810.241 835.177 859.390 882.940 905.877 928.248 950.092 971.445 992.339 1,012.801 1,032.859 1,052.534 1,071.848 1,090.820 1,109.468 1,127.808 1,145.854 1,163.620 1,181.119 1,198.363 1,215.362 1,232.126 1,248.665 1,264.988 1,281.104 1,297.019 1,312.741 1,328.276 1,343.633 1,358.816 1,373.831 1,388.683 1,403.379 1,417.922 1,432.317
CAPACITY (MGD) 130.909 185.133 226.741 261.818 292.721 320.660 346.353 370.267 392.727 413.971 434.176 453.482 471.999 489.817 507.008 523.636 539.752 555.400 570.619 585.443 599.901 614.018 627.818 641.321 654.545 667.508 680.223 692.705 704.967 717.018 728.871 740.533 752.015 763.324 774.468 785.454 796.289 806.977 817.527 827.941 838.227 848.387 858.428 868.352 878.164 887.868 897.467 906.964 916.363 925.667
(GPM) 90,909 128,565 157,459 181,818 203,279 222,681 240,523 257,130 272,727 287,480 301,511 314,918 327,777 340,150 352,089 363,636 374,828 385,694 396,263 406,558 416,598 426,401 435,984 445,362 454,545 463,547 472,377 481,045 489,560 497,929 506,160 514,259 522,233 530,086 537,825 545,454 552,978 560,401 567,727 574,959 582,102 589,158 596,130 603,022 609,836 616,575 623,241 629,836 636,363 642,824
HR= 1.750 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 37.588 37.955 38.318 38.678 39.035 39.388 39.738 40.085 40.429 40.770 41.109 41.444 41.777 42.107 42.435 42.760 43.083 43.403 43.721 44.037 44.350 44.662 44.971 45.278 45.583 45.885 46.186 46.485 46.782 47.077 47.371 47.662 47.952 48.240 48.526 48.811 49.094 49.375 49.655 49.933 50.210 50.485 50.759 51.031 51.302 51.571 51.839 52.105 52.370 52.634
(CFS) 1,446.570 1,460.683 1,474.661 1,488.508 1,502.227 1,515.822 1,529.296 1,542.653 1,555.895 1,569.025 1,582.046 1,594.961 1,607.772 1,620.482 1,633.093 1,645.607 1,658.027 1,670.355 1,682.592 1,694.741 1,706.803 1,718.781 1,730.676 1,742.489 1,754.223 1,765.879 1,777.459 1,788.964 1,800.395 1,811.754 1,823.042 1,834.261 1,845.412 1,856.495 1,867.513 1,878.467 1,889.356 1,900.184 1,910.950 1,921.655 1,932.302 1,942.890 1,953.420 1,963.895 1,974.313 1,984.677 1,994.987 2,005.244 2,015.449 2,025.603
CAPACITY (MGD) 934.877 943.998 953.032 961.981 970.847 979.633 988.341 996.973 1,005.531 1,014.017 1,022.432 1,030.779 1,039.058 1,047.272 1,055.422 1,063.510 1,071.537 1,079.503 1,087.412 1,095.263 1,103.059 1,110.800 1,118.487 1,126.122 1,133.705 1,141.238 1,148.722 1,156.157 1,163.545 1,170.886 1,178.181 1,185.432 1,192.638 1,199.801 1,206.922 1,214.000 1,221.038 1,228.035 1,234.993 1,241.912 1,248.792 1,255.635 1,262.441 1,269.210 1,275.943 1,282.641 1,289.304 1,295.933 1,302.528 1,309.090
(GPM) 649,220 655,554 661,828 668,042 674,200 680,301 686,348 692,343 698,286 704,178 710,022 715,819 721,568 727,272 732,932 738,549 744,123 749,655 755,147 760,600 766,013 771,389 776,727 782,029 787,295 792,527 797,724 802,887 808,017 813,115 818,181 823,216 828,221 833,195 838,140 843,056 847,943 852,802 857,634 862,439 867,217 871,969 876,695 881,396 886,072 890,723 895,350 899,954 904,534 909,090
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers - Page 1 of 2
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 5.511 7.794 9.546 11.022 12.323 13.500 14.581 15.588 16.534 17.428 18.278 19.091 19.871 20.621 21.345 22.045 22.723 23.382 24.023 24.647 25.255 25.850 26.431 26.999 27.556 28.102 28.637 29.162 29.679 30.186 30.685 31.176 31.659 32.135 32.605 33.067 33.523 33.973 34.417 34.856 35.289 35.716 36.139 36.557 36.970 37.379 37.783 38.183 38.578 38.970
Water Sewer Design Manual Velocity and Capacity for 90" RC Pipe A= 44.179
(CFS) 243.476 344.327 421.713 486.952 544.429 596.392 644.177 688.654 730.428 769.939 807.519 843.426 877.865 911.004 942.979 973.904 1,003.877 1,032.981 1,061.287 1,088.858 1,115.747 1,142.004 1,167.670 1,192.784 1,217.380 1,241.489 1,265.138 1,288.354 1,311.158 1,333.573 1,355.617 1,377.308 1,398.663 1,419.697 1,440.423 1,460.856 1,481.007 1,500.887 1,520.507 1,539.877 1,559.007 1,577.905 1,596.579 1,615.037 1,633.287 1,651.335 1,669.187 1,686.851 1,704.332 1,721.635
CAPACITY (MGD) 157.352 222.529 272.541 314.703 351.849 385.431 416.314 445.058 472.055 497.590 521.877 545.082 567.340 588.756 609.421 629.407 648.778 667.587 685.880 703.698 721.076 738.045 754.632 770.863 786.759 802.340 817.624 832.627 847.365 861.851 876.097 890.116 903.917 917.510 930.905 944.110 957.133 969.981 982.661 995.180 1,007.543 1,019.756 1,031.824 1,043.753 1,055.547 1,067.211 1,078.749 1,090.165 1,101.462 1,112.645
(GPM) 109,272 154,534 189,265 218,544 244,340 267,661 289,107 309,068 327,816 345,549 362,414 378,529 393,986 408,859 423,209 437,088 450,540 463,602 476,306 488,679 500,747 512,531 524,050 535,321 546,360 557,180 567,794 578,213 588,448 598,508 608,401 618,136 627,720 637,160 646,462 655,632 664,676 673,598 682,404 691,097 699,682 708,164 716,545 724,829 733,019 741,119 749,131 757,059 764,904 772,670
HR= 1.875 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 39.358 39.742 40.122 40.499 40.872 41.242 41.608 41.972 42.332 42.689 43.044 43.395 43.744 44.089 44.432 44.773 45.111 45.446 45.779 46.110 46.438 46.764 47.087 47.409 47.728 48.045 48.360 48.673 48.984 49.293 49.601 49.906 50.209 50.511 50.810 51.108 51.405 51.699 51.992 52.284 52.573 52.861 53.148 53.433 53.716 53.998 54.279 54.558 54.835 55.112
(CFS) 1,738.766 1,755.730 1,772.532 1,789.176 1,805.666 1,822.008 1,838.204 1,854.258 1,870.175 1,885.957 1,901.608 1,917.132 1,932.531 1,947.808 1,962.966 1,978.008 1,992.937 2,007.755 2,022.464 2,037.066 2,051.565 2,065.962 2,080.260 2,094.460 2,108.564 2,122.575 2,136.493 2,150.322 2,164.062 2,177.716 2,191.284 2,204.769 2,218.172 2,231.494 2,244.738 2,257.904 2,270.993 2,284.007 2,296.948 2,309.816 2,322.613 2,335.340 2,347.998 2,360.587 2,373.111 2,385.568 2,397.961 2,410.290 2,422.556 2,434.760
CAPACITY (MGD) 1,123.716 1,134.679 1,145.538 1,156.294 1,166.952 1,177.513 1,187.979 1,198.355 1,208.642 1,218.841 1,228.956 1,238.989 1,248.941 1,258.814 1,268.610 1,278.331 1,287.979 1,297.556 1,307.062 1,316.499 1,325.869 1,335.174 1,344.414 1,353.591 1,362.706 1,371.761 1,380.756 1,389.693 1,398.573 1,407.397 1,416.166 1,424.880 1,433.542 1,442.152 1,450.711 1,459.220 1,467.679 1,476.090 1,484.453 1,492.770 1,501.040 1,509.265 1,517.445 1,525.582 1,533.675 1,541.726 1,549.735 1,557.703 1,565.630 1,573.517
(GPM) 780,358 787,972 795,512 802,982 810,383 817,717 824,986 832,191 839,334 846,418 853,442 860,409 867,320 874,176 880,979 887,730 894,430 901,080 907,682 914,235 920,743 927,204 933,621 939,994 946,324 952,611 958,858 965,064 971,231 977,359 983,448 989,500 995,516 1,001,495 1,007,438 1,013,347 1,019,222 1,025,063 1,030,870 1,036,646 1,042,389 1,048,101 1,053,781 1,059,432 1,065,052 1,070,643 1,076,205 1,081,738 1,087,243 1,092,720
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Philadelphia Water Department
N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 5.753 8.137 9.965 11.507 12.865 14.093 15.222 16.273 17.260 18.194 19.082 19.931 20.744 21.527 22.283 23.014 23.722 24.410 25.079 25.730 26.366 26.986 27.593 28.186 28.767 29.337 29.896 30.444 30.983 31.513 32.034 32.547 33.051 33.548 34.038 34.521 34.997 35.467 35.930 36.388 36.840 37.287 37.728 38.164 38.595 39.022 39.444 39.861 40.274 40.683
Water Sewer Design Manual Velocity and Capacity for 96" RC Pipe A= 50.265
(CFS) 289.201 408.992 500.910 578.402 646.673 708.394 765.153 817.983 867.602 914.533 959.170 1,001.821 1,042.728 1,082.090 1,120.070 1,156.803 1,192.405 1,226.975 1,260.597 1,293.345 1,325.284 1,356.472 1,386.958 1,416.789 1,446.004 1,474.640 1,502.731 1,530.307 1,557.394 1,584.018 1,610.202 1,635.967 1,661.332 1,686.316 1,710.935 1,735.205 1,759.140 1,782.753 1,806.058 1,829.066 1,851.788 1,874.235 1,896.416 1,918.341 1,940.018 1,961.455 1,982.661 2,003.642 2,024.405 2,044.958
CAPACITY (MGD) 186.902 264.320 323.724 373.805 417.926 457.815 494.497 528.640 560.707 591.037 619.885 647.449 673.886 699.325 723.870 747.609 770.618 792.960 814.688 835.853 856.494 876.650 896.352 915.631 934.512 953.019 971.173 988.994 1,006.500 1,023.706 1,040.628 1,057.279 1,073.672 1,089.819 1,105.729 1,121.414 1,136.883 1,152.143 1,167.205 1,182.074 1,196.759 1,211.266 1,225.601 1,239.770 1,253.779 1,267.633 1,281.338 1,294.898 1,308.316 1,321.599
(GPM) 129,793 183,555 224,809 259,587 290,227 317,927 343,401 367,111 389,380 410,442 430,476 449,617 467,976 485,642 502,687 519,173 535,151 550,666 565,756 580,453 594,788 608,785 622,467 635,855 648,967 661,819 674,426 686,802 698,958 710,907 722,659 734,222 745,606 756,819 767,868 778,760 789,502 800,100 810,559 820,885 831,083 841,157 851,112 860,951 870,680 880,301 889,818 899,234 908,553 917,777
HR= 2.000 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 41.088 41.489 41.886 42.279 42.669 43.055 43.438 43.817 44.193 44.566 44.936 45.303 45.667 46.028 46.386 46.741 47.094 47.444 47.792 48.137 48.480 48.820 49.158 49.493 49.826 50.158 50.486 50.813 51.138 51.461 51.781 52.100 52.417 52.731 53.044 53.355 53.665 53.972 54.278 54.582 54.885 55.185 55.484 55.782 56.078 56.372 56.665 56.956 57.246 57.535
(CFS) 2,065.307 2,085.456 2,105.413 2,125.183 2,144.770 2,164.180 2,183.418 2,202.487 2,221.393 2,240.139 2,258.730 2,277.169 2,295.460 2,313.606 2,331.611 2,349.478 2,367.210 2,384.811 2,402.282 2,419.627 2,436.849 2,453.950 2,470.932 2,487.799 2,504.552 2,521.194 2,537.726 2,554.152 2,570.473 2,586.690 2,602.807 2,618.824 2,634.744 2,650.569 2,666.299 2,681.938 2,697.485 2,712.944 2,728.315 2,743.599 2,758.799 2,773.916 2,788.951 2,803.905 2,818.780 2,833.577 2,848.297 2,862.941 2,877.511 2,892.008
CAPACITY (MGD) 1,334.750 1,347.772 1,360.670 1,373.446 1,386.105 1,398.649 1,411.082 1,423.406 1,435.624 1,447.739 1,459.754 1,471.671 1,483.491 1,495.219 1,506.855 1,518.402 1,529.862 1,541.236 1,552.528 1,563.737 1,574.867 1,585.919 1,596.894 1,607.795 1,618.622 1,629.377 1,640.062 1,650.677 1,661.224 1,671.705 1,682.121 1,692.473 1,702.761 1,712.988 1,723.155 1,733.261 1,743.309 1,753.300 1,763.233 1,773.111 1,782.935 1,792.704 1,802.421 1,812.086 1,821.699 1,831.262 1,840.775 1,850.239 1,859.655 1,869.024
(GPM) 926,910 935,953 944,910 953,782 962,573 971,284 979,918 988,476 996,961 1,005,375 1,013,718 1,021,993 1,030,202 1,038,346 1,046,427 1,054,446 1,062,404 1,070,303 1,078,144 1,085,929 1,093,658 1,101,333 1,108,954 1,116,524 1,124,043 1,131,512 1,138,932 1,146,303 1,153,628 1,160,907 1,168,140 1,175,328 1,182,473 1,189,575 1,196,635 1,203,654 1,210,631 1,217,569 1,224,468 1,231,327 1,238,149 1,244,934 1,251,681 1,258,393 1,265,069 1,271,709 1,278,316 1,284,888 1,291,427 1,297,933
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Philadelphia Water Department Water Sewer Design Manual Velocity and Capacity for 102" RC Pipe N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 5.991 8.472 10.376 11.982 13.396 14.674 15.850 16.944 17.972 18.944 19.869 20.753 21.600 22.415 23.202 23.963 24.701 25.417 26.113 26.792 27.453 28.099 28.731 29.349 29.954 30.547 31.129 31.700 32.261 32.813 33.355 33.889 34.414 34.932 35.442 35.945 36.440 36.930 37.412 37.889 38.360 38.825 39.284 39.738 40.187 40.631 41.071 41.505 41.935 42.361
A= 56.745 (CFS) 339.946 480.756 588.804 679.892 760.142 832.694 899.413 961.512 1,019.838 1,075.004 1,127.473 1,177.607 1,225.693 1,271.961 1,316.605 1,359.784 1,401.633 1,442.269 1,481.790 1,520.285 1,557.828 1,594.488 1,630.324 1,665.388 1,699.730 1,733.391 1,766.411 1,798.825 1,830.665 1,861.961 1,892.739 1,923.025 1,952.841 1,982.209 2,011.148 2,039.676 2,067.811 2,095.568 2,122.962 2,150.007 2,176.716 2,203.102 2,229.175 2,254.947 2,280.427 2,305.626 2,330.552 2,355.215 2,379.622 2,403.781
CAPACITY (MGD) 219.698 310.699 380.527 439.395 491.259 538.147 581.265 621.399 659.093 694.745 728.654 761.055 792.131 822.033 850.885 878.790 905.836 932.098 957.640 982.517 1,006.781 1,030.473 1,053.633 1,076.294 1,098.488 1,120.242 1,141.582 1,162.530 1,183.108 1,203.333 1,223.224 1,242.797 1,262.067 1,281.046 1,299.748 1,318.185 1,336.368 1,354.307 1,372.011 1,389.490 1,406.751 1,423.803 1,440.653 1,457.309 1,473.776 1,490.062 1,506.171 1,522.110 1,537.883 1,553.497
(GPM) 152,568 215,763 264,255 305,136 341,152 373,713 403,656 431,527 457,703 482,462 506,010 528,510 550,091 570,856 590,892 610,271 629,053 647,290 665,027 682,304 699,153 715,606 731,689 747,426 762,839 777,946 792,765 807,313 821,603 835,648 849,461 863,054 876,435 889,615 902,603 915,407 928,033 940,491 952,785 964,923 976,910 988,752 1,000,454 1,012,020 1,023,456 1,034,765 1,045,952 1,057,020 1,067,974 1,078,817
HR= 2.125 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 42.783 43.200 43.613 44.023 44.429 44.831 45.229 45.624 46.016 46.404 46.789 47.171 47.550 47.926 48.299 48.669 49.037 49.401 49.763 50.122 50.479 50.833 51.185 51.534 51.882 52.226 52.569 52.909 53.247 53.583 53.917 54.249 54.578 54.906 55.232 55.556 55.878 56.198 56.517 56.833 57.148 57.461 57.773 58.083 58.391 58.697 59.002 59.306 59.607 59.908
(CFS) 2,427.700 2,451.385 2,474.844 2,498.083 2,521.107 2,543.923 2,566.536 2,588.952 2,611.175 2,633.210 2,655.063 2,676.737 2,698.238 2,719.568 2,740.732 2,761.734 2,782.578 2,803.267 2,823.804 2,844.192 2,864.436 2,884.537 2,904.500 2,924.326 2,944.019 2,963.581 2,983.014 3,002.322 3,021.506 3,040.569 3,059.514 3,078.342 3,097.055 3,115.657 3,134.147 3,152.530 3,170.805 3,188.976 3,207.044 3,225.011 3,242.878 3,260.648 3,278.321 3,295.899 3,313.384 3,330.777 3,348.080 3,365.294 3,382.420 3,399.460
CAPACITY (MGD) 1,568.955 1,584.262 1,599.423 1,614.441 1,629.321 1,644.066 1,658.680 1,673.167 1,687.529 1,701.770 1,715.893 1,729.900 1,743.796 1,757.581 1,771.259 1,784.832 1,798.302 1,811.673 1,824.945 1,838.122 1,851.205 1,864.196 1,877.097 1,889.910 1,902.637 1,915.279 1,927.838 1,940.317 1,952.715 1,965.035 1,977.278 1,989.446 2,001.540 2,013.562 2,025.512 2,037.392 2,049.203 2,060.946 2,072.623 2,084.234 2,095.781 2,107.265 2,118.687 2,130.047 2,141.347 2,152.588 2,163.770 2,174.895 2,185.963 2,196.976
(GPM) 1,089,552 1,100,182 1,110,710 1,121,140 1,131,473 1,141,713 1,151,861 1,161,921 1,171,895 1,181,785 1,191,592 1,201,320 1,210,969 1,220,542 1,230,041 1,239,466 1,248,821 1,258,106 1,267,323 1,276,474 1,285,559 1,294,580 1,303,540 1,312,438 1,321,276 1,330,055 1,338,777 1,347,442 1,356,052 1,364,608 1,373,110 1,381,560 1,389,958 1,398,307 1,406,605 1,414,855 1,423,057 1,431,213 1,439,321 1,447,385 1,455,404 1,463,379 1,471,310 1,479,199 1,487,047 1,494,853 1,502,618 1,510,344 1,518,030 1,525,678
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Philadelphia Water Department Water Sewer Design Manual Velocity and Capacity for 108" RC Pipe N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 6.223 8.801 10.779 12.447 13.916 15.244 16.466 17.603 18.670 19.680 20.641 21.559 22.439 23.286 24.103 24.894 25.660 26.404 27.127 27.832 28.519 29.191 29.847 30.489 31.117 31.733 32.338 32.931 33.514 34.087 34.651 35.205 35.751 36.289 36.818 37.341 37.856 38.364 38.865 39.361 39.850 40.333 40.810 41.282 41.748 42.209 42.666 43.117 43.564 44.006
A= 63.617 (CFS) 395.919 559.914 685.752 791.838 885.301 969.799 1,047.503 1,119.828 1,187.757 1,252.005 1,313.114 1,371.503 1,427.506 1,481.393 1,533.387 1,583.675 1,632.415 1,679.741 1,725.770 1,770.603 1,814.328 1,857.024 1,898.760 1,939.598 1,979.594 2,018.798 2,057.255 2,095.006 2,132.088 2,168.537 2,204.383 2,239.655 2,274.381 2,308.584 2,342.287 2,375.513 2,408.280 2,440.608 2,472.512 2,504.011 2,535.117 2,565.847 2,596.213 2,626.228 2,655.904 2,685.252 2,714.283 2,743.006 2,771.432 2,799.569
CAPACITY (MGD) 255.871 361.857 443.182 511.743 572.146 626.754 676.972 723.713 767.614 809.136 848.629 886.364 922.557 957.383 990.985 1,023.485 1,054.984 1,085.570 1,115.317 1,144.291 1,172.549 1,200.143 1,227.115 1,253.508 1,279.356 1,304.693 1,329.546 1,353.943 1,377.909 1,401.465 1,424.631 1,447.426 1,469.868 1,491.973 1,513.755 1,535.228 1,556.404 1,577.296 1,597.915 1,618.272 1,638.375 1,658.235 1,677.860 1,697.258 1,716.437 1,735.403 1,754.165 1,772.728 1,791.099 1,809.283
(GPM) 177,688 251,289 307,765 355,377 397,323 435,246 470,119 502,579 533,065 561,900 589,326 615,531 640,665 664,849 688,184 710,753 732,628 753,868 774,526 794,647 814,270 833,432 852,163 870,492 888,442 906,036 923,296 940,238 956,881 973,239 989,327 1,005,157 1,020,742 1,036,092 1,051,219 1,066,130 1,080,836 1,095,345 1,109,664 1,123,800 1,137,761 1,151,552 1,165,181 1,178,651 1,191,970 1,205,141 1,218,170 1,231,061 1,243,819 1,256,447
HR= 2.250 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 44.444 44.878 45.307 45.733 46.154 46.572 46.986 47.396 47.803 48.207 48.607 49.004 49.397 49.788 50.175 50.560 50.941 51.320 51.696 52.069 52.440 52.808 53.173 53.536 53.897 54.255 54.611 54.964 55.315 55.664 56.011 56.356 56.698 57.039 57.377 57.714 58.048 58.381 58.712 59.041 59.368 59.693 60.017 60.339 60.659 60.977 61.294 61.609 61.923 62.235
(CFS) 2,827.426 2,855.011 2,882.333 2,909.397 2,936.213 2,962.785 2,989.122 3,015.228 3,041.110 3,066.774 3,092.225 3,117.468 3,142.508 3,167.351 3,192.000 3,216.460 3,240.735 3,264.830 3,288.749 3,312.495 3,336.071 3,359.483 3,382.732 3,405.823 3,428.758 3,451.540 3,474.174 3,496.660 3,519.004 3,541.206 3,563.270 3,585.198 3,606.992 3,628.656 3,650.191 3,671.600 3,692.885 3,714.048 3,735.091 3,756.016 3,776.825 3,797.520 3,818.103 3,838.576 3,858.939 3,879.196 3,899.348 3,919.396 3,939.343 3,959.188
CAPACITY (MGD) 1,827.286 1,845.114 1,862.771 1,880.262 1,897.592 1,914.765 1,931.786 1,948.657 1,965.384 1,981.970 1,998.418 2,014.732 2,030.915 2,046.970 2,062.900 2,078.708 2,094.397 2,109.968 2,125.426 2,140.773 2,156.010 2,171.140 2,186.165 2,201.088 2,215.910 2,230.634 2,245.261 2,259.794 2,274.233 2,288.582 2,302.841 2,317.013 2,331.098 2,345.099 2,359.016 2,372.852 2,386.608 2,400.285 2,413.885 2,427.408 2,440.856 2,454.231 2,467.533 2,480.764 2,493.925 2,507.016 2,520.040 2,532.996 2,545.887 2,558.713
(GPM) 1,268,949 1,281,329 1,293,591 1,305,738 1,317,772 1,329,698 1,341,518 1,353,234 1,364,850 1,376,368 1,387,791 1,399,120 1,410,358 1,421,507 1,432,569 1,443,547 1,454,442 1,465,256 1,475,990 1,486,648 1,497,229 1,507,736 1,518,170 1,528,533 1,538,826 1,549,051 1,559,209 1,569,301 1,579,329 1,589,293 1,599,195 1,609,037 1,618,818 1,628,541 1,638,206 1,647,814 1,657,367 1,666,865 1,676,309 1,685,700 1,695,039 1,704,327 1,713,565 1,722,753 1,731,892 1,740,983 1,750,028 1,759,025 1,767,977 1,776,884
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers – Page 2 of2
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Philadelphia Water Department Water Sewer Design Manual Velocity and Capacity for 114" RC Pipe N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 6.452 9.124 11.175 12.904 14.427 15.804 17.070 18.249 19.356 20.403 21.398 22.350 23.263 24.141 24.988 25.807 26.602 27.373 28.123 28.854 29.566 30.262 30.942 31.608 32.259 32.898 33.525 34.140 34.744 35.338 35.922 36.497 37.063 37.621 38.170 38.711 39.245 39.772 40.292 40.805 41.312 41.813 42.308 42.797 43.280 43.759 44.232 44.700 45.163 45.622
A= 70.882 (CFS) 457.322 646.751 792.106 914.645 1,022.604 1,120.206 1,209.961 1,293.503 1,371.967 1,446.180 1,516.767 1,584.211 1,648.899 1,711.144 1,771.202 1,829.289 1,885.588 1,940.254 1,993.422 2,045.208 2,095.714 2,145.032 2,193.241 2,240.413 2,286.612 2,331.896 2,376.317 2,419.922 2,462.756 2,504.858 2,546.263 2,587.006 2,627.117 2,666.625 2,705.555 2,743.934 2,781.783 2,819.124 2,855.977 2,892.360 2,928.292 2,963.788 2,998.863 3,033.533 3,067.812 3,101.711 3,135.244 3,168.422 3,201.256 3,233.757
CAPACITY (MGD) 295.555 417.977 511.916 591.109 660.880 723.958 781.964 835.955 886.664 934.626 980.244 1,023.831 1,065.637 1,105.864 1,144.678 1,182.218 1,218.603 1,253.932 1,288.293 1,321.760 1,354.401 1,386.274 1,417.430 1,447.916 1,477.773 1,507.039 1,535.747 1,563.928 1,591.610 1,618.819 1,645.579 1,671.909 1,697.832 1,723.365 1,748.525 1,773.328 1,797.789 1,821.921 1,845.738 1,869.252 1,892.473 1,915.413 1,938.081 1,960.488 1,982.641 2,004.549 2,026.220 2,047.662 2,068.882 2,089.887
(GPM) 205,246 290,262 355,497 410,493 458,945 502,749 543,031 580,524 615,739 649,046 680,725 710,994 740,026 767,961 794,915 820,985 846,252 870,786 894,648 917,889 940,557 962,690 984,327 1,005,497 1,026,231 1,046,555 1,066,491 1,086,061 1,105,285 1,124,180 1,142,763 1,161,048 1,179,050 1,196,781 1,214,253 1,231,478 1,248,464 1,265,223 1,281,763 1,298,091 1,314,217 1,330,148 1,345,890 1,361,450 1,376,834 1,392,048 1,407,098 1,421,988 1,436,724 1,451,310
HR= 2.375 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 46.076 46.525 46.970 47.411 47.848 48.281 48.711 49.136 49.558 49.976 50.391 50.802 51.210 51.615 52.017 52.415 52.811 53.203 53.593 53.980 54.364 54.746 55.125 55.501 55.875 56.246 56.615 56.981 57.345 57.707 58.067 58.424 58.779 59.132 59.483 59.832 60.179 60.524 60.867 61.208 61.547 61.884 62.220 62.553 62.885 63.215 63.544 63.870 64.195 64.519
(CFS) 3,265.935 3,297.798 3,329.357 3,360.619 3,391.593 3,422.287 3,452.708 3,482.863 3,512.760 3,542.404 3,571.802 3,600.960 3,629.884 3,658.579 3,687.051 3,715.304 3,743.345 3,771.177 3,798.805 3,826.233 3,853.467 3,880.509 3,907.364 3,934.036 3,960.528 3,986.844 4,012.987 4,038.962 4,064.770 4,090.415 4,115.901 4,141.230 4,166.405 4,191.428 4,216.304 4,241.033 4,265.619 4,290.064 4,314.370 4,338.541 4,362.577 4,386.482 4,410.257 4,433.905 4,457.427 4,480.826 4,504.103 4,527.260 4,550.300 4,573.223
CAPACITY (MGD) 2,110.682 2,131.275 2,151.670 2,171.874 2,191.892 2,211.728 2,231.388 2,250.877 2,270.198 2,289.356 2,308.355 2,327.199 2,345.892 2,364.437 2,382.838 2,401.097 2,419.219 2,437.206 2,455.061 2,472.787 2,490.388 2,507.864 2,525.220 2,542.457 2,559.578 2,576.585 2,593.481 2,610.268 2,626.947 2,643.521 2,659.992 2,676.361 2,692.631 2,708.803 2,724.879 2,740.861 2,756.750 2,772.548 2,788.257 2,803.877 2,819.411 2,834.860 2,850.226 2,865.508 2,880.710 2,895.832 2,910.875 2,925.841 2,940.731 2,955.546
(GPM) 1,465,752 1,480,052 1,494,215 1,508,246 1,522,147 1,535,922 1,549,575 1,563,109 1,576,526 1,589,831 1,603,025 1,616,111 1,629,092 1,641,970 1,654,748 1,667,429 1,680,013 1,692,504 1,704,904 1,717,213 1,729,436 1,741,572 1,753,625 1,765,595 1,777,485 1,789,295 1,801,029 1,812,686 1,824,269 1,835,778 1,847,216 1,858,584 1,869,882 1,881,113 1,892,277 1,903,376 1,914,410 1,925,381 1,936,289 1,947,137 1,957,925 1,968,653 1,979,323 1,989,936 2,000,493 2,010,994 2,021,441 2,031,834 2,042,175 2,052,463
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers – Page 2 of 2
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Philadelphia Water Department Water Sewer Design Manual Velocity and Capacity for 120" RC Pipe N= 0.013 GRA % 0.1% 0.2% 0.3% 0.4% 0.5% 0.6% 0.7% 0.8% 0.9% 1.0% 1.1% 1.2% 1.3% 1.4% 1.5% 1.6% 1.7% 1.8% 1.9% 2.0% 2.1% 2.2% 2.3% 2.4% 2.5% 2.6% 2.7% 2.8% 2.9% 3.0% 3.1% 3.2% 3.3% 3.4% 3.5% 3.6% 3.7% 3.8% 3.9% 4.0% 4.1% 4.2% 4.3% 4.4% 4.5% 4.6% 4.7% 4.8% 4.9% 5.0%
VEL. FT/SEC 6.676 9.442 11.564 13.353 14.929 16.354 17.664 18.883 20.029 21.112 22.143 23.127 24.072 24.980 25.857 26.705 27.527 28.325 29.101 29.857 30.595 31.315 32.018 32.707 33.382 34.043 34.691 35.328 35.953 36.568 37.172 37.767 38.352 38.929 39.498 40.058 40.610 41.156 41.694 42.225 42.749 43.267 43.779 44.286 44.786 45.281 45.770 46.255 46.734 47.209
A= 78.540 (CFS) 524.356 741.551 908.211 1,048.712 1,172.495 1,284.404 1,387.315 1,483.102 1,573.068 1,658.159 1,739.092 1,816.422 1,890.592 1,961.960 2,030.822 2,097.423 2,161.975 2,224.654 2,285.614 2,344.991 2,402.900 2,459.447 2,514.722 2,568.809 2,621.779 2,673.701 2,724.633 2,774.630 2,823.743 2,872.015 2,919.490 2,966.205 3,012.195 3,057.494 3,102.131 3,146.135 3,189.532 3,232.347 3,274.601 3,316.318 3,357.516 3,398.214 3,438.431 3,478.183 3,517.486 3,556.355 3,594.803 3,632.844 3,670.491 3,707.756
CAPACITY (MGD) 338.877 479.244 586.951 677.753 757.751 830.075 896.583 958.488 1,016.630 1,071.622 1,123.926 1,173.903 1,221.837 1,267.960 1,312.463 1,355.506 1,397.224 1,437.731 1,477.128 1,515.502 1,552.927 1,589.472 1,625.195 1,660.149 1,694.383 1,727.938 1,760.854 1,793.166 1,824.906 1,856.103 1,886.785 1,916.975 1,946.697 1,975.973 2,004.821 2,033.259 2,061.305 2,088.975 2,116.283 2,143.243 2,169.868 2,196.171 2,222.162 2,247.853 2,273.253 2,298.372 2,323.220 2,347.805 2,372.136 2,396.219
(GPM) 235,331 332,808 407,605 470,662 526,216 576,441 622,627 665,616 705,993 744,182 780,504 815,210 848,498 880,528 911,433 941,324 970,294 998,425 1,025,784 1,052,432 1,078,422 1,103,800 1,128,607 1,152,881 1,176,655 1,199,957 1,222,815 1,245,254 1,267,296 1,288,961 1,310,267 1,331,233 1,351,873 1,372,203 1,392,236 1,411,985 1,431,462 1,450,677 1,469,641 1,488,363 1,506,853 1,525,119 1,543,168 1,561,009 1,578,648 1,596,092 1,613,347 1,630,420 1,647,316 1,664,041
HR= 2.500 GRA % 5.1% 5.2% 5.3% 5.4% 5.5% 5.6% 5.7% 5.8% 5.9% 6.0% 6.1% 6.2% 6.3% 6.4% 6.5% 6.6% 6.7% 6.8% 6.9% 7.0% 7.1% 7.2% 7.3% 7.4% 7.5% 7.6% 7.7% 7.8% 7.9% 8.0% 8.1% 8.2% 8.3% 8.4% 8.5% 8.6% 8.7% 8.8% 8.9% 9.0% 9.1% 9.2% 9.3% 9.4% 9.5% 9.6% 9.7% 9.8% 9.9% 10.0%
VEL. FT/SEC 47.678 48.144 48.604 49.061 49.513 49.961 50.405 50.845 51.282 51.714 52.144 52.569 52.992 53.410 53.826 54.239 54.648 55.054 55.458 55.858 56.256 56.650 57.042 57.432 57.819 58.203 58.584 58.964 59.340 59.715 60.087 60.457 60.824 61.189 61.553 61.914 62.272 62.629 62.984 63.337 63.688 64.037 64.384 64.729 65.073 65.414 65.754 66.092 66.428 66.763
(CFS) 3,744.650 3,781.184 3,817.368 3,853.213 3,888.727 3,923.920 3,958.800 3,993.375 4,027.654 4,061.643 4,095.350 4,128.782 4,161.946 4,194.847 4,227.492 4,259.887 4,292.038 4,323.949 4,355.627 4,387.076 4,418.301 4,449.307 4,480.099 4,510.680 4,541.055 4,571.229 4,601.204 4,630.986 4,660.577 4,689.982 4,719.203 4,748.244 4,777.109 4,805.801 4,834.322 4,862.676 4,890.866 4,918.894 4,946.763 4,974.477 5,002.036 5,029.445 5,056.705 5,083.819 5,110.789 5,137.617 5,164.306 5,190.858 5,217.275 5,243.559
CAPACITY (MGD) 2,420.062 2,443.673 2,467.058 2,490.224 2,513.176 2,535.920 2,558.462 2,580.807 2,602.960 2,624.926 2,646.710 2,668.316 2,689.749 2,711.012 2,732.110 2,753.046 2,773.824 2,794.447 2,814.920 2,835.244 2,855.424 2,875.463 2,895.362 2,915.126 2,934.757 2,954.257 2,973.629 2,992.876 3,012.000 3,031.004 3,049.889 3,068.657 3,087.312 3,105.855 3,124.287 3,142.612 3,160.830 3,178.944 3,196.955 3,214.865 3,232.676 3,250.389 3,268.007 3,285.530 3,302.960 3,320.298 3,337.547 3,354.706 3,371.779 3,388.765
(GPM) 1,680,599 1,696,995 1,713,235 1,729,322 1,745,261 1,761,055 1,776,709 1,792,227 1,807,611 1,822,865 1,837,993 1,852,997 1,867,881 1,882,647 1,897,298 1,911,837 1,926,267 1,940,588 1,954,805 1,968,920 1,982,934 1,996,849 2,010,668 2,024,393 2,038,026 2,051,567 2,065,020 2,078,386 2,091,667 2,104,864 2,117,978 2,131,012 2,143,967 2,156,843 2,169,644 2,182,369 2,195,021 2,207,600 2,220,107 2,232,545 2,244,914 2,257,215 2,269,449 2,281,618 2,293,722 2,305,763 2,317,741 2,329,657 2,341,513 2,353,309
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Appendix VIIIa: Velocities & Flow Capacities for Pipe Sewers – Page 2 of 2
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