Addendum No. 3
Addendum No. 3 The Transit Authority of the City of Omaha
Metro State of Good Repair – Phase II 2222 Cuming Street Omaha, Nebraska 68102 Architect / Coordinating Professional: Reinhardt & Associates, Architects, PC Date Issued: 5 April 2013 To: All Bidders of Record: This Addendum forms a part of the Contract Documents and modifies the original documents dated 1 March 2013. The Bidder must acknowledge receipt of this Addendum in the space provided on the Bid Form. Failure to acknowledge receipt may subject the Bidder to disqualification. This Addendum consists of six (6) 8½ x 11 pages, and includes as attachments, sixteen (16) Request for Substitution forms, and fourteen (14) 8½ x 11 Sketch Sheets. The Contract Documents are hereby modified as follows: PREVIOUS ADDENDA No items.
GENERAL AD3-1 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 0913 Automatic Flow Control Valves. Requested Approved Equal: Danfoss AB-QM Series. Response: Not Approved (form attached). AD3-2 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3100 Manufactured Ductwork & Fittings. Requested Approved Equal: LaPine Metal Products. Response: Approved (form attached). AD3-3 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3300 Smoke Dampers. Requested Approved Equal: United Enertech. Response: Approved (form attached). AD3-4 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3423 HVAC Power Ventilators. Requested Approved Equal: ILG/American Coolair. Response: Approved (form attached). AD3-5 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3516 Vehicle Exhaust. Requested Approved Equal: Nederman. Response: Approved (form attached). 1 of 6 th
418 South 14 Street / Omaha, Nebraska 68102 / Phone (402) 861-0523 / Fax (402) 861-0530
AD3-6 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3700 Roof Hoods. Requested Approved Equal: Acme Manufacturing. Response: Approved (form attached). AD3-7 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3700 Louvers. Requested Approved Equal: United Enertech. Response: Approved (form attached). AD3-8 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3700 Air Outlets and Inlets. Requested Approved Equal: Tuttle, Bailey. Response: Approved (form attached). AD3-9 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3433 Air Curtains. Requested Approved Equal: Mars. Response: Not Approved (form attached). AD3-10 Request for Substitution/Approved Equals (dated 2 April 2013): Reference to Section 23 3700 Air Outlets and Inlets. Requested Approved Equal: Pottorff. Response: Approved (form attached). AD3-11 Request for Substitution/Approved Equals (dated 2 April 2013): Reference to Section 23 3423 HVAC Power Ventilators. Requested Approved Equal: Acme Engineering & Mfg. Response: Approved (form attached). AD3-12 Request for Substitution/Approved Equals (dated 2 April 2013): Reference to Section 23 3433 Air Curtains. Requested Approved Equal: Mars. Response: Not Approved (form attached). AD3-13 Request for Substitution/Approved Equals (dated 2 April 2013): Reference to Section 23 3516 Engine Exhaust Systems. Requested Approved Equal: Monoxivent. Response: Approved (form attached). AD3-14 Request for Substitution/Approved Equals (dated 4 April 2013): Reference to Section 27 0501 Common Work Results for Communications, Fiber Optic Cable. Requested Approved Equal: Hitachi Cable America. Response: Approved (form attached). AD3-15 Request for Substitution/Approved Equals (dated 4 April 2013): Reference to Section 27 0501 Common Work Results for Communications, Copper Horizontal Cable. Requested Approved Equal: Hitachi Cable America 39419-8. Response: Approved (form attached). AD3-16 Request for Substitution/Approved Equals (dated 5 April 2013): Reference to Section 08 3310 Overhead Doors. Requested Approved Equal: Rytec. Response: Approved (form attached). 2 of 6 th
418 South 14 Street / Omaha, Nebraska 68102 / Phone (402) 861-0523 / Fax (402) 861-0530
PROJECT MANUAL AD3-17 Section 08 3310 Overhead Doors: Paragraph 2.1 A, Add Rytec Doors to list of approved manufacturers. AD3-18 Section 23 0993 Sequence of Operations for HVAC Controls, make the following changes: a) Subparagraph 3.3.C.9. Delete “AHU-15 thru AHU-18” and substitute “AHU-15, -16, -17, -18, -22, -23”. b) Subparagraph 3.3.F.5. Delete subparagraph and substitute “Gas Detection System Alarms: Alarms shall be zoned by air handling unit area served for AHU-15, -16, -17, -18, -22, -23. Initiate alarm for gas detection based on the following levels:” c) Subparagraph 3.3.F.6. Delete subparagraph and substitute “Gas Detection System Alarms: Initiate alarm for gas detection for AHU-29 based on the following levels:” AD3-19 Section 23 3100 HVAC Ducts and Casings: Part 2, 2.7, A. 4. Manufacturers, add LaPine Metal Products to the list of approved Manufacturers. AD3-20 Section 23 3300 Air Duct Accessories: Part 2, 2.7, A. Manufacturers, add United Enertech to the list of approved Manufacturers. AD3-21 Section 23 3423 HVAC Power Ventilators: Part 2, 2.1 Manufacturers, add ILG/American Coolair and Acme Engineering & Mfg. to the list of approved Manufacturers. AD3-22 Section 23 3516 Engine Exhaust Systems: Part 2, 2.1 Manufacturers, add Monoxivent to the list of approved Manufacturers. AD3-23 Section 23 3700 Air Outlets and Inlets: Part 2, 2.7, A. Manufacturers, add Acme Manufacturing to the list of approved Manufacturers. AD3-24 Section 23 3700 Air Outlets and Inlets: Part 2, 2.6, B. Manufacturers, add United Enertech and Pottorff to the list of approved Manufacturers. AD3-25 Section 23 3700 Air Outlets and Inlets: Part 2, 2.1, Manufacturers, add Tuttle, Bailey to the list of approved Manufacturers. AD3-26 Section 23 7223 Packaged Air-to-Air Energy Recovery Units, make the following changes: a) Subparagraph 2.2.A.2.a. - Delete “aluminum”. b) Subparagraph 2.6.C.3. – Delete in its entirety. c) Paragraph 2.7.E. – Add the following: “2. Unit shall allow for 6” of separation between DX cooling coil and hot gas reheat coil so that the leaving DX cooling coil temperature can be measured during dehumidification mode.” AD3-27 Section 23 7313 Modular Central-Station Air-Handling Units, make the following changes: a) Subparagraph 1.3.F.1. – Delete in its entirety and substitute “Extra Filters: Provide one spare set for each unit size.” b) Subparagraph 2.3.B.3.a. – Add the following “Provide Duracoat Products Pre-vent with Microban Protection coating or equal on all inside surfaces of the cabinet.” c) Subparagraph 2.3.I - Add the following “5. Provide galvanized steel drain pans in all sections for entire unit wash down.” d) Paragraph 2.8.A. – Delete in its entirety and substitute “Provide one Variable Frequency Controller for the entire fan array.” e) Subparagraph 2.8.A.1. – Delete in its entirety. f) Paragraph 2.17. – Delete paragraph and subparagraphs in their entirety. AD3-28 Section 23 8316 Radiant Heating Piping, Paragraph 3.1.B. Add the following “Top of pipe shall be within 2-1/2” of top of concrete, but not closer. Provide supports for piping if rebar in concrete is not at an acceptable height.” 3 of 6 th
418 South 14 Street / Omaha, Nebraska 68102 / Phone (402) 861-0523 / Fax (402) 861-0530
AD3-29 Section 27 0501 Common work Results for Communications: a) Page 27 0501 – 10, Article 2.2, Subparagraph B.1: Add the following: “h. Hitachi Cable America.” b) Page 27 0501 – 10, Article 2.2, Subparagraph B.2: Add the following: “h. Hitachi Cable America.” AD3-30 Section 27 1323 – Communications Optical Backbone Cabling: Make the following changes: a) Page 27 1323 – 2, Article 2.3, Subparagraph A.1: Modify “OM3” to read “OM2”. b) Page 27 1323 – 3, Article 2.3, Subparagraph B.6.a: Modify “OM3” to read “OM2”. c) Page 27 1323 – 3, Article 2.3, Subparagraph B.6.a.3: Modify “2000” to read “5000”. d) Page 27 1323 – 3, Article 2.3, Subparagraph B.6.a.4: Modify “970” to read “550”.
DRAWINGS AD3-31 Sheet A-3 Plan at CNG Maintenance: Column line marker between column lines 6 and 8 (at top of page) should be changed from “8” to “7”. AD3-32 Sheet A-3 Plan at CNG Maintenance: At CNG Maintenance 2, new trench drain is to be installed in place of the existing “PIT” (see note indicating removal). For clarification, this “PIT” is typical trench drain with a larger formed pit drain covered by steel grating at the east end. Detail of the pit portion of the drain from original drawings has been included in this addendum for reference only. See attached Sketch Sheet AD3.7. AD3-33 Sheet A-3 Plan at CNG Maintenance: Additional gate is required at second pit stair located just east of column grids C and 6. Note located at the pit stair (column lines C and 8) should be duplicated at this additional pit stair location. AD3-34 Sheet A-3 Plan at CNG Maintenance: Add additional (overhead) Doors OVM100Z, OVM148X, OVM149Z, and OVM149X installed to existing openings at CNG Maintenance Area. See attached Sketch Sheets AD3.1, AD3.2, and AD3.4. AD3-35 Sheet A-4 Plan at Maintenance Mezzanine A/A-4: In Telecomm Room M-227, replace note, “INSTALL NEW METAL CLAD…” with the following: “APPLY PAINT (MATCH FRAME COLOR) TO ROOM SIDE OF EXISTING GLAZING AT EAST WINDOW AND DOOR SIDELIGHTS. PROVIDE FULL COVERAGE FOR ZERO VISIBILITY”. AD3-36 Sheet A-12: Door Schedule, add the following in the “remarks” column for existing overhead Doors OVM149A, OVM148B, and OVM100A: “DOOR INSTALLER TO PROVIDE REPAIR WORK AT EXISTING DOOR TO DETERMINE CURRENT SYSTEM MALFUNCTIONS AND REPORT TO OWNER. INSTALLER WILL BE REQUIIRED TO MAKE REPAIRS OF IDENTIFIED ISSUES TO A REASONABLE EXTENT.” AD3-37 Sheet A-12: Door Schedule, add the following (overhead) doors: Door OVM149X:
Door Type: Door Size: Frame Type: Details: Rating: Remarks:
ROV-FAB 12’-0” x 15’-4” By Mfr. Sketch Sheets AD3.1, AD3.2, & AD3.4 None MOUNT AS DETAILED W/ ANGLE CLOSURE
Door OVM149Z:
Door Type: Door Size: Frame Type:
ROV-FAB 12’-0” x 15’-4” By Mfr. 4 of 6
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418 South 14 Street / Omaha, Nebraska 68102 / Phone (402) 861-0523 / Fax (402) 861-0530
Details: Rating: Remarks:
Sketch Sheets AD3.1, AD3.2, & AD3.4 None MOUNT AS DETAILED W/ ANGLE CLOSURE
Door OVM148X:
Door Type: Door Size: Frame Type: Details: Rating: Remarks:
ROV-FAB 14’-0” x 15’-4” By Mfr. Sketch Sheets AD3.1, AD3.2, & AD3.4 None MOUNT AS DETAILED W/ ANGLE CLOSURE
Door OVM100Z:
Door Type: Door Size: Frame Type: Details: Rating: Remarks:
ROV-FAB 11’-4” x 15’-4” By Mfr. Sketch Sheets AD3.1, AD3.2, & AD3.4 None MOUNT AS DETAILED W/ ANGLE CLOSURE
Door OVM140X:
Door Type: Door Size: Frame Type: Details: Rating: Remarks:
ROV-FAB 12’-0” x 15’-4” By Mfr. Sketch Sheets AD3.3 & AD3.4 None MOUNT AS DETAILED W/ ANGLE CLOSURE (VERIFY)
Door OVM100X:
Door Type: Door Size: Frame Type: Details: Rating: Remarks:
ROV-FAB 16’-8” x 15’-7” By Mfr. Sketch Sheets AD3.5 & AD3.6 None REQUIRES ADDED CMU @ JAMB (1 SIDE)
AD3-38 Sheet A-14 Plan Unit Rebuild: Add additional (overhead) Door OVM100X installed to existing opening at angled drive south of Tire Storage M-139. See attached Sketch Sheets AD3.5 & AD3.6. AD3-39 Sheet A-14 Plan Unit Rebuild: Add additional (overhead) Door OVM140X installed to existing opening at Tire Changing Area M-140 north of Tire Storage M-139. See attached Sketch Sheets AD3.3 & AD3.4. Reference Key Plan on Sheet A-1 for full plan view. AD3-40 Sheet A-14 Plan Unit Rebuild: At note located at column lines K and 6, change reference to “ALT. #11” to read “ALT. #3”. AD3-41 Sheet S-1 Partial Ground Floor Slab Plan: Near Grid Line 7-B, the section cut without a reference circle should be 2/S-6. AD3-42 Sheet S-3 Existing Roof Framing Plan: a) Near Grid Line 16-L, change the reference section 4/S-6 to 7/S-6. b) The AHU-22, AHU-23, AHU-25 and AHU-26 roof top unit sizes are revised. See enclosed Revised Partial Roof Framing Plan on Sheets 1 and 2 of 2. AD3-43 Sheet S-3 Framing Notes: a) Change paragraph 1 to read: USE 1 1/2” – 18 GA ROOF DECK (MATCH EXISTING DECK PROFILE) AT EXISTING OPENING INFILL AND MUST SPAN BETWEEN EXISTING STEEL JOIST OR SUPPORT. FASTEN THE DECK WITH #12 TEK SCREWS AT 6” O.C. TO THE SUPPORT AND 12” O.C. AT SIDE LAP. (SEE ARCHITECTURAL DRAWINGS FOR ROOFING). b) Change paragraph 2 to read: REPLACE EXISTING ROOF TOP UNIT AND USE NEW CURB FOR 5 of 6 th
418 South 14 Street / Omaha, Nebraska 68102 / Phone (402) 861-0523 / Fax (402) 861-0530
NEW ROOF TOP UNIT – SEE MECHANICAL DRAWINGS. AD3-44 Sheet S-3: Delete framing details 3/S-3 and 4/S-3. AD3-45 Sheet M-18: Piping General Notes. Add the following note, “4. Provide 1-1/2” extruded polystyrene rigid foam insulation (R-7.5 minimum) for installation below concrete slab where snow melt piping is installed. Owens Corning FOAMULAR 1000 or equal.” AD3-46 Sheet M-23: Detail 3. Remove existing cold water piping where it conflicts with new overhead doors. Modify drawing as shown on Sketch MS-002. AD3-47 Sheet M-25: Detail 2. Reconnect existing cold water piping. Modify drawing as shown on Sketch MS003. AD3-48 Sheet M-27: Make the following changes: a) Detail 1. Modify drawing as shown on Sketch MS-004. b) Flag Notes: 1. Delete Flag Note 3 in its entirety. 2. Delete Flag Note 2 and substitute “Cap piping for future connection to DEF hose reel.” AD3-49 Sheet T-2 Floor Plans - Telecom: Make the following changes: a) Refer to clouded revisions on attached sketch TS-001. AD3-50 Sheet T-11 Security Opening Schedule: Make the following changes: a) Refer to clouded revisions on attached sketch TS-002.
END of ADDENDUM
6 of 6 th
418 South 14 Street / Omaha, Nebraska 68102 / Phone (402) 861-0523 / Fax (402) 861-0530
ARCHITECT
3 APRIL 2013
AUTOMATIC FLOW CONTROL VALVES ARE BEING REMOVED FROM THE SPECIFICATIONS OF THIS PROJECT BY ADDENDUM NO. 3
ARCHITECT
3 APRIL 2013
APPROVAL OF DUCTWORK FITTINGS BY LAPINE METAL PRODUCTS WILL APPEAR IN ADDENDUM NO. 3
ARCHITECT
3 APRIL 2013
APPROVAL OF UNITED ENERTECH SMOKE DAMPERS WILL APPEAR IN ADDENDUM NO. 3
ARCHITECT
3 APRIL 2013
APPROVAL OF HVAC POWER VENTILATORS BY ILG/AMERICAN CODAIR WILL APPEAR IN ADDENDUM NO. 3
ARCHITECT
3 APRIL 2013
APPROVAL OF NEDERMAN VEHICLE EXHAUST WILL APPEAR IN ADDENDUM NO. 3
ARCHITECT
3 APRIL 2013
APPROVAL OF ROOF HOODS BY ACME MANUFACTURING WILL APPEAR IN ADDENDUM NO. 3
ARCHITECT
3 APRIL 2013
APPROVAL OF UNITED ENERTECH LOUVERS WILL APPEAR IN ADDENDUM NO. 3
ARCHITECT
3 APRIL 2013
APPROVAL OF TUTTLE-BAILEY REGISTERS, GRILLS, & DIFFUSERS WILL APPEAR IN ADDENDUM NO. 3.
5
2222 Cuming Street Omaha, Nebraska 68102
AD3.7
Alvine Engineering
Alvine Engineering
Alvine Engineering
Alvine Engineering
Alvine Engineering
Metro State of Good Repair – Phase II 2222 Cuming Street Omaha, Nebraska 68102 Architect / Coordinating Professional: Reinhardt & Associates, Architects, PC Date Issued: 5 April 2013 To: All Bidders of Record: This Addendum forms a part of the Contract Documents and modifies the original documents dated 1 March 2013. The Bidder must acknowledge receipt of this Addendum in the space provided on the Bid Form. Failure to acknowledge receipt may subject the Bidder to disqualification. This Addendum consists of six (6) 8½ x 11 pages, and includes as attachments, sixteen (16) Request for Substitution forms, and fourteen (14) 8½ x 11 Sketch Sheets. The Contract Documents are hereby modified as follows: PREVIOUS ADDENDA No items.
GENERAL AD3-1 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 0913 Automatic Flow Control Valves. Requested Approved Equal: Danfoss AB-QM Series. Response: Not Approved (form attached). AD3-2 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3100 Manufactured Ductwork & Fittings. Requested Approved Equal: LaPine Metal Products. Response: Approved (form attached). AD3-3 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3300 Smoke Dampers. Requested Approved Equal: United Enertech. Response: Approved (form attached). AD3-4 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3423 HVAC Power Ventilators. Requested Approved Equal: ILG/American Coolair. Response: Approved (form attached). AD3-5 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3516 Vehicle Exhaust. Requested Approved Equal: Nederman. Response: Approved (form attached). 1 of 6 th
418 South 14 Street / Omaha, Nebraska 68102 / Phone (402) 861-0523 / Fax (402) 861-0530
AD3-6 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3700 Roof Hoods. Requested Approved Equal: Acme Manufacturing. Response: Approved (form attached). AD3-7 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3700 Louvers. Requested Approved Equal: United Enertech. Response: Approved (form attached). AD3-8 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3700 Air Outlets and Inlets. Requested Approved Equal: Tuttle, Bailey. Response: Approved (form attached). AD3-9 Request for Substitution/Approved Equals (dated 1 April 2013): Reference to Section 23 3433 Air Curtains. Requested Approved Equal: Mars. Response: Not Approved (form attached). AD3-10 Request for Substitution/Approved Equals (dated 2 April 2013): Reference to Section 23 3700 Air Outlets and Inlets. Requested Approved Equal: Pottorff. Response: Approved (form attached). AD3-11 Request for Substitution/Approved Equals (dated 2 April 2013): Reference to Section 23 3423 HVAC Power Ventilators. Requested Approved Equal: Acme Engineering & Mfg. Response: Approved (form attached). AD3-12 Request for Substitution/Approved Equals (dated 2 April 2013): Reference to Section 23 3433 Air Curtains. Requested Approved Equal: Mars. Response: Not Approved (form attached). AD3-13 Request for Substitution/Approved Equals (dated 2 April 2013): Reference to Section 23 3516 Engine Exhaust Systems. Requested Approved Equal: Monoxivent. Response: Approved (form attached). AD3-14 Request for Substitution/Approved Equals (dated 4 April 2013): Reference to Section 27 0501 Common Work Results for Communications, Fiber Optic Cable. Requested Approved Equal: Hitachi Cable America. Response: Approved (form attached). AD3-15 Request for Substitution/Approved Equals (dated 4 April 2013): Reference to Section 27 0501 Common Work Results for Communications, Copper Horizontal Cable. Requested Approved Equal: Hitachi Cable America 39419-8. Response: Approved (form attached). AD3-16 Request for Substitution/Approved Equals (dated 5 April 2013): Reference to Section 08 3310 Overhead Doors. Requested Approved Equal: Rytec. Response: Approved (form attached). 2 of 6 th
418 South 14 Street / Omaha, Nebraska 68102 / Phone (402) 861-0523 / Fax (402) 861-0530
PROJECT MANUAL AD3-17 Section 08 3310 Overhead Doors: Paragraph 2.1 A, Add Rytec Doors to list of approved manufacturers. AD3-18 Section 23 0993 Sequence of Operations for HVAC Controls, make the following changes: a) Subparagraph 3.3.C.9. Delete “AHU-15 thru AHU-18” and substitute “AHU-15, -16, -17, -18, -22, -23”. b) Subparagraph 3.3.F.5. Delete subparagraph and substitute “Gas Detection System Alarms: Alarms shall be zoned by air handling unit area served for AHU-15, -16, -17, -18, -22, -23. Initiate alarm for gas detection based on the following levels:” c) Subparagraph 3.3.F.6. Delete subparagraph and substitute “Gas Detection System Alarms: Initiate alarm for gas detection for AHU-29 based on the following levels:” AD3-19 Section 23 3100 HVAC Ducts and Casings: Part 2, 2.7, A. 4. Manufacturers, add LaPine Metal Products to the list of approved Manufacturers. AD3-20 Section 23 3300 Air Duct Accessories: Part 2, 2.7, A. Manufacturers, add United Enertech to the list of approved Manufacturers. AD3-21 Section 23 3423 HVAC Power Ventilators: Part 2, 2.1 Manufacturers, add ILG/American Coolair and Acme Engineering & Mfg. to the list of approved Manufacturers. AD3-22 Section 23 3516 Engine Exhaust Systems: Part 2, 2.1 Manufacturers, add Monoxivent to the list of approved Manufacturers. AD3-23 Section 23 3700 Air Outlets and Inlets: Part 2, 2.7, A. Manufacturers, add Acme Manufacturing to the list of approved Manufacturers. AD3-24 Section 23 3700 Air Outlets and Inlets: Part 2, 2.6, B. Manufacturers, add United Enertech and Pottorff to the list of approved Manufacturers. AD3-25 Section 23 3700 Air Outlets and Inlets: Part 2, 2.1, Manufacturers, add Tuttle, Bailey to the list of approved Manufacturers. AD3-26 Section 23 7223 Packaged Air-to-Air Energy Recovery Units, make the following changes: a) Subparagraph 2.2.A.2.a. - Delete “aluminum”. b) Subparagraph 2.6.C.3. – Delete in its entirety. c) Paragraph 2.7.E. – Add the following: “2. Unit shall allow for 6” of separation between DX cooling coil and hot gas reheat coil so that the leaving DX cooling coil temperature can be measured during dehumidification mode.” AD3-27 Section 23 7313 Modular Central-Station Air-Handling Units, make the following changes: a) Subparagraph 1.3.F.1. – Delete in its entirety and substitute “Extra Filters: Provide one spare set for each unit size.” b) Subparagraph 2.3.B.3.a. – Add the following “Provide Duracoat Products Pre-vent with Microban Protection coating or equal on all inside surfaces of the cabinet.” c) Subparagraph 2.3.I - Add the following “5. Provide galvanized steel drain pans in all sections for entire unit wash down.” d) Paragraph 2.8.A. – Delete in its entirety and substitute “Provide one Variable Frequency Controller for the entire fan array.” e) Subparagraph 2.8.A.1. – Delete in its entirety. f) Paragraph 2.17. – Delete paragraph and subparagraphs in their entirety. AD3-28 Section 23 8316 Radiant Heating Piping, Paragraph 3.1.B. Add the following “Top of pipe shall be within 2-1/2” of top of concrete, but not closer. Provide supports for piping if rebar in concrete is not at an acceptable height.” 3 of 6 th
418 South 14 Street / Omaha, Nebraska 68102 / Phone (402) 861-0523 / Fax (402) 861-0530
AD3-29 Section 27 0501 Common work Results for Communications: a) Page 27 0501 – 10, Article 2.2, Subparagraph B.1: Add the following: “h. Hitachi Cable America.” b) Page 27 0501 – 10, Article 2.2, Subparagraph B.2: Add the following: “h. Hitachi Cable America.” AD3-30 Section 27 1323 – Communications Optical Backbone Cabling: Make the following changes: a) Page 27 1323 – 2, Article 2.3, Subparagraph A.1: Modify “OM3” to read “OM2”. b) Page 27 1323 – 3, Article 2.3, Subparagraph B.6.a: Modify “OM3” to read “OM2”. c) Page 27 1323 – 3, Article 2.3, Subparagraph B.6.a.3: Modify “2000” to read “5000”. d) Page 27 1323 – 3, Article 2.3, Subparagraph B.6.a.4: Modify “970” to read “550”.
DRAWINGS AD3-31 Sheet A-3 Plan at CNG Maintenance: Column line marker between column lines 6 and 8 (at top of page) should be changed from “8” to “7”. AD3-32 Sheet A-3 Plan at CNG Maintenance: At CNG Maintenance 2, new trench drain is to be installed in place of the existing “PIT” (see note indicating removal). For clarification, this “PIT” is typical trench drain with a larger formed pit drain covered by steel grating at the east end. Detail of the pit portion of the drain from original drawings has been included in this addendum for reference only. See attached Sketch Sheet AD3.7. AD3-33 Sheet A-3 Plan at CNG Maintenance: Additional gate is required at second pit stair located just east of column grids C and 6. Note located at the pit stair (column lines C and 8) should be duplicated at this additional pit stair location. AD3-34 Sheet A-3 Plan at CNG Maintenance: Add additional (overhead) Doors OVM100Z, OVM148X, OVM149Z, and OVM149X installed to existing openings at CNG Maintenance Area. See attached Sketch Sheets AD3.1, AD3.2, and AD3.4. AD3-35 Sheet A-4 Plan at Maintenance Mezzanine A/A-4: In Telecomm Room M-227, replace note, “INSTALL NEW METAL CLAD…” with the following: “APPLY PAINT (MATCH FRAME COLOR) TO ROOM SIDE OF EXISTING GLAZING AT EAST WINDOW AND DOOR SIDELIGHTS. PROVIDE FULL COVERAGE FOR ZERO VISIBILITY”. AD3-36 Sheet A-12: Door Schedule, add the following in the “remarks” column for existing overhead Doors OVM149A, OVM148B, and OVM100A: “DOOR INSTALLER TO PROVIDE REPAIR WORK AT EXISTING DOOR TO DETERMINE CURRENT SYSTEM MALFUNCTIONS AND REPORT TO OWNER. INSTALLER WILL BE REQUIIRED TO MAKE REPAIRS OF IDENTIFIED ISSUES TO A REASONABLE EXTENT.” AD3-37 Sheet A-12: Door Schedule, add the following (overhead) doors: Door OVM149X:
Door Type: Door Size: Frame Type: Details: Rating: Remarks:
ROV-FAB 12’-0” x 15’-4” By Mfr. Sketch Sheets AD3.1, AD3.2, & AD3.4 None MOUNT AS DETAILED W/ ANGLE CLOSURE
Door OVM149Z:
Door Type: Door Size: Frame Type:
ROV-FAB 12’-0” x 15’-4” By Mfr. 4 of 6
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418 South 14 Street / Omaha, Nebraska 68102 / Phone (402) 861-0523 / Fax (402) 861-0530
Details: Rating: Remarks:
Sketch Sheets AD3.1, AD3.2, & AD3.4 None MOUNT AS DETAILED W/ ANGLE CLOSURE
Door OVM148X:
Door Type: Door Size: Frame Type: Details: Rating: Remarks:
ROV-FAB 14’-0” x 15’-4” By Mfr. Sketch Sheets AD3.1, AD3.2, & AD3.4 None MOUNT AS DETAILED W/ ANGLE CLOSURE
Door OVM100Z:
Door Type: Door Size: Frame Type: Details: Rating: Remarks:
ROV-FAB 11’-4” x 15’-4” By Mfr. Sketch Sheets AD3.1, AD3.2, & AD3.4 None MOUNT AS DETAILED W/ ANGLE CLOSURE
Door OVM140X:
Door Type: Door Size: Frame Type: Details: Rating: Remarks:
ROV-FAB 12’-0” x 15’-4” By Mfr. Sketch Sheets AD3.3 & AD3.4 None MOUNT AS DETAILED W/ ANGLE CLOSURE (VERIFY)
Door OVM100X:
Door Type: Door Size: Frame Type: Details: Rating: Remarks:
ROV-FAB 16’-8” x 15’-7” By Mfr. Sketch Sheets AD3.5 & AD3.6 None REQUIRES ADDED CMU @ JAMB (1 SIDE)
AD3-38 Sheet A-14 Plan Unit Rebuild: Add additional (overhead) Door OVM100X installed to existing opening at angled drive south of Tire Storage M-139. See attached Sketch Sheets AD3.5 & AD3.6. AD3-39 Sheet A-14 Plan Unit Rebuild: Add additional (overhead) Door OVM140X installed to existing opening at Tire Changing Area M-140 north of Tire Storage M-139. See attached Sketch Sheets AD3.3 & AD3.4. Reference Key Plan on Sheet A-1 for full plan view. AD3-40 Sheet A-14 Plan Unit Rebuild: At note located at column lines K and 6, change reference to “ALT. #11” to read “ALT. #3”. AD3-41 Sheet S-1 Partial Ground Floor Slab Plan: Near Grid Line 7-B, the section cut without a reference circle should be 2/S-6. AD3-42 Sheet S-3 Existing Roof Framing Plan: a) Near Grid Line 16-L, change the reference section 4/S-6 to 7/S-6. b) The AHU-22, AHU-23, AHU-25 and AHU-26 roof top unit sizes are revised. See enclosed Revised Partial Roof Framing Plan on Sheets 1 and 2 of 2. AD3-43 Sheet S-3 Framing Notes: a) Change paragraph 1 to read: USE 1 1/2” – 18 GA ROOF DECK (MATCH EXISTING DECK PROFILE) AT EXISTING OPENING INFILL AND MUST SPAN BETWEEN EXISTING STEEL JOIST OR SUPPORT. FASTEN THE DECK WITH #12 TEK SCREWS AT 6” O.C. TO THE SUPPORT AND 12” O.C. AT SIDE LAP. (SEE ARCHITECTURAL DRAWINGS FOR ROOFING). b) Change paragraph 2 to read: REPLACE EXISTING ROOF TOP UNIT AND USE NEW CURB FOR 5 of 6 th
418 South 14 Street / Omaha, Nebraska 68102 / Phone (402) 861-0523 / Fax (402) 861-0530
NEW ROOF TOP UNIT – SEE MECHANICAL DRAWINGS. AD3-44 Sheet S-3: Delete framing details 3/S-3 and 4/S-3. AD3-45 Sheet M-18: Piping General Notes. Add the following note, “4. Provide 1-1/2” extruded polystyrene rigid foam insulation (R-7.5 minimum) for installation below concrete slab where snow melt piping is installed. Owens Corning FOAMULAR 1000 or equal.” AD3-46 Sheet M-23: Detail 3. Remove existing cold water piping where it conflicts with new overhead doors. Modify drawing as shown on Sketch MS-002. AD3-47 Sheet M-25: Detail 2. Reconnect existing cold water piping. Modify drawing as shown on Sketch MS003. AD3-48 Sheet M-27: Make the following changes: a) Detail 1. Modify drawing as shown on Sketch MS-004. b) Flag Notes: 1. Delete Flag Note 3 in its entirety. 2. Delete Flag Note 2 and substitute “Cap piping for future connection to DEF hose reel.” AD3-49 Sheet T-2 Floor Plans - Telecom: Make the following changes: a) Refer to clouded revisions on attached sketch TS-001. AD3-50 Sheet T-11 Security Opening Schedule: Make the following changes: a) Refer to clouded revisions on attached sketch TS-002.
END of ADDENDUM
6 of 6 th
418 South 14 Street / Omaha, Nebraska 68102 / Phone (402) 861-0523 / Fax (402) 861-0530
ARCHITECT
3 APRIL 2013
AUTOMATIC FLOW CONTROL VALVES ARE BEING REMOVED FROM THE SPECIFICATIONS OF THIS PROJECT BY ADDENDUM NO. 3
ARCHITECT
3 APRIL 2013
APPROVAL OF DUCTWORK FITTINGS BY LAPINE METAL PRODUCTS WILL APPEAR IN ADDENDUM NO. 3
ARCHITECT
3 APRIL 2013
APPROVAL OF UNITED ENERTECH SMOKE DAMPERS WILL APPEAR IN ADDENDUM NO. 3
ARCHITECT
3 APRIL 2013
APPROVAL OF HVAC POWER VENTILATORS BY ILG/AMERICAN CODAIR WILL APPEAR IN ADDENDUM NO. 3
ARCHITECT
3 APRIL 2013
APPROVAL OF NEDERMAN VEHICLE EXHAUST WILL APPEAR IN ADDENDUM NO. 3
ARCHITECT
3 APRIL 2013
APPROVAL OF ROOF HOODS BY ACME MANUFACTURING WILL APPEAR IN ADDENDUM NO. 3
ARCHITECT
3 APRIL 2013
APPROVAL OF UNITED ENERTECH LOUVERS WILL APPEAR IN ADDENDUM NO. 3
ARCHITECT
3 APRIL 2013
APPROVAL OF TUTTLE-BAILEY REGISTERS, GRILLS, & DIFFUSERS WILL APPEAR IN ADDENDUM NO. 3.
5
2222 Cuming Street Omaha, Nebraska 68102
AD3.7
Alvine Engineering
Alvine Engineering
Alvine Engineering
Alvine Engineering
Alvine Engineering
