August 27th, 2012 - AWS
August 27th, 2012
Andy Lovingood, PE McGill Associates, PA
Background Henderson Water Reclamation Facility •
Original g wastewater p plant constructed in 1938
•
Major Upgrades: 1962 and 1982
•
Minor Renovations: 1990 and 1994
•
Plant is permitted to treat 4.14 million gallons per day
•
Discharges g into Nutbush Creek - Kerr Lake
Background Henderson Water Reclamation Facility •
2011 CIP
•
Funding application to IFS
March 2011
•
Approval pp for funding g
April p 2011
•
ER/EID Submitted
July 2011
•
Approval pp of ER/EID
October 2011
•
Funding application to CWMTF
January 2012
Project Design Phase Process Site Survey Existing Plant As-Builts - Piping Plan Geotechnical Series of regular meetings with staff Design Manual Plans and Specifications Submitted May 29, 2012 p 4, 2012 Authorization to Construct byy September
Current Site Sit
Current Current Conditions Sit Site Site
New Future Site Site Plan
Current Flow Diagram
Current Flow Diagram
Current Flow Diagram
Entire Plant Flow pumped 3 times 41 total pumps
New Flow Diagram
Entire Plant Flow pumped once 17 total pumps
Current Hydraulic Profile
New Hydraulic Profile
Oxidation Ditches
Project Changes
Separate Headworks and Influent Pump Station Administration Building g Maintenance Building Demolition Construct new Final Clarifiers Raise Ox-Ditch and Clarifiers eliminates li i t pumping i entire ti plant l t flow fl Construct new RAS/WAS Pump Station
Funding Plan • State Revolving Loan Program (SRF grants and loans) • $15,615,000 Available Low Interest Loan Currently 2% • $1,000,000 Principal Forgiveness (Grant) • Clean Water Management Trust Fund (CWMTF) • $600,000 Grant
Project Costs (Pre‐Design) Estimate at SRF Application Construction Estimate
Latest Estimate with 5% contingency
Latest Estimate with 10% contingency
$13,575,000
$14,215,000
$14,215,000
Contingency
$1 357 500 $1,357,500
$710 750 $710,750
$1 421 500 $1,421,500
Soft Cost Estimate
$1,682,500
$1,682,500
$1,682,500
$332 500 $332,500
$332 500 $332,500
$332 500 $332,500
$16,947,300
$16,940,600
$17,651,300
$300,000
*$150,000
*$150,000
Cl i Fee Closing F Total Additional Demolition
Alternate Bid Items
Schedule Forward Authorization to Construct
September 2012
Advertisement for Bids
September 2012
Open Bids
*October 2012
Tentative Bid Award
*November 2012
B i construction Begin t ti
*J *January 2013
Complete construction
**July 2014
Andy Lovingood, PE McGill Associates, PA
Background Henderson Water Reclamation Facility •
Original g wastewater p plant constructed in 1938
•
Major Upgrades: 1962 and 1982
•
Minor Renovations: 1990 and 1994
•
Plant is permitted to treat 4.14 million gallons per day
•
Discharges g into Nutbush Creek - Kerr Lake
Background Henderson Water Reclamation Facility •
2011 CIP
•
Funding application to IFS
March 2011
•
Approval pp for funding g
April p 2011
•
ER/EID Submitted
July 2011
•
Approval pp of ER/EID
October 2011
•
Funding application to CWMTF
January 2012
Project Design Phase Process Site Survey Existing Plant As-Builts - Piping Plan Geotechnical Series of regular meetings with staff Design Manual Plans and Specifications Submitted May 29, 2012 p 4, 2012 Authorization to Construct byy September
Current Site Sit
Current Current Conditions Sit Site Site
New Future Site Site Plan
Current Flow Diagram
Current Flow Diagram
Current Flow Diagram
Entire Plant Flow pumped 3 times 41 total pumps
New Flow Diagram
Entire Plant Flow pumped once 17 total pumps
Current Hydraulic Profile
New Hydraulic Profile
Oxidation Ditches
Project Changes
Separate Headworks and Influent Pump Station Administration Building g Maintenance Building Demolition Construct new Final Clarifiers Raise Ox-Ditch and Clarifiers eliminates li i t pumping i entire ti plant l t flow fl Construct new RAS/WAS Pump Station
Funding Plan • State Revolving Loan Program (SRF grants and loans) • $15,615,000 Available Low Interest Loan Currently 2% • $1,000,000 Principal Forgiveness (Grant) • Clean Water Management Trust Fund (CWMTF) • $600,000 Grant
Project Costs (Pre‐Design) Estimate at SRF Application Construction Estimate
Latest Estimate with 5% contingency
Latest Estimate with 10% contingency
$13,575,000
$14,215,000
$14,215,000
Contingency
$1 357 500 $1,357,500
$710 750 $710,750
$1 421 500 $1,421,500
Soft Cost Estimate
$1,682,500
$1,682,500
$1,682,500
$332 500 $332,500
$332 500 $332,500
$332 500 $332,500
$16,947,300
$16,940,600
$17,651,300
$300,000
*$150,000
*$150,000
Cl i Fee Closing F Total Additional Demolition
Alternate Bid Items
Schedule Forward Authorization to Construct
September 2012
Advertisement for Bids
September 2012
Open Bids
*October 2012
Tentative Bid Award
*November 2012
B i construction Begin t ti
*J *January 2013
Complete construction
**July 2014
