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Pre-Bid Meeting Presentation - Rivanna Water and Sewer Authority
Pre-Bid Meeting Presentation - Rivanna Water and Sewer Authority
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RIVANNA WATER & SEWER <strong>AUTHORITY</strong><br />
Nutrient Removal Improvements<br />
Moores Creek Wastewater Treatment Plant<br />
Rivanna Water and Sewer Authority<br />
SERVING CHARLOTTESVILLE<br />
AND ALBEMARLE COUNTY, VIRGINIA<br />
PRE-BID CONFERENCE<br />
March 10, 2009<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – Introductions<br />
Rivanna Water and Sewer Authority<br />
Tom Frederick – Executive Director<br />
Bob Wichser – Director of Water & Wastewater Operations<br />
Jennifer Whitaker – Chief Engineer<br />
Cary Lang – Wastewater Department Manager<br />
Hazen and Sawyer<br />
Ron Taylor – Project Manager<br />
Carol McDowell – Resident Project Representative<br />
Chris Szoch – Assistant Resident Project Representative<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – Project Overview<br />
Current capacity is 15 mgd<br />
Permitted capacity expansion not in this scope<br />
Chesapeake Bay Nutrient Reductions<br />
TN – 5 mg/L<br />
TP – 0.3 mg/L<br />
Upgrade and replacement of aging infrastructure<br />
Peak flow capacity improvements<br />
Current peak capacity = 18 mgd<br />
Proposed peak capacity = 37.5 mgd<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – Bidding Information<br />
Bid Date: March 31, 2009 at 2:00 pm<br />
Bid Location: Administration Building at Moores Creek<br />
Wastewater Treatment Plant, 695 Moores Creek Lane,<br />
Charlottesville, VA 22902<br />
Construction Period: 42 months<br />
Engineer’s Estimate of Construction Cost:<br />
$40 to $50 million<br />
Tentative Notice to Proceed: May 2009<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – Bidding Information<br />
(Continued)<br />
Any changes to the contract documents will be by<br />
addendum only.<br />
Additional questions should be faxed to Hazen and<br />
Sawyer at (919) 8331828 to Todd Johnson’s attention<br />
or by email to tjohnson@hazenandsawyer.com.<br />
Questions will be answered up to 7 days (March 24 th )<br />
prior to the bid. If warranted the question or comment<br />
will be addressed in future addendums.<br />
Plan Holder listing is available by contacting John<br />
Williams or Marcus Lanier at H&S (9198337152)
Moores Creek WWTP – Bidding Information<br />
(Continued)<br />
Project is partially funded by SRF Loan and WQIF Grant<br />
Bidders must submit Virginia State Revolving Loan<br />
Fund (SRF) completed forms with the Bid – See<br />
Specifications section 00420<br />
MBE / WBE goals are identified in the documents<br />
Bidders must demonstrate compliance with MBE/WBE<br />
requirements to be deemed responsible.
Moores Creek WWTP – Existing Site<br />
RWSA Contractors BreakfastNov0831037.ppt
Proposed Plant Improvements<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – Septage Receiving<br />
Station<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – Odor Control<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – Equalization Basins<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP –<br />
Aeration Building<br />
RWSA Contractors BreakfastNov0831037.ppt
Aeration Basin Modifications<br />
Must have 4 aeration basins in service in Winter<br />
Can meet current permit with three basins in other<br />
seasons<br />
Once aeration basin No.5 is operational, two of the<br />
four existing basins can be removed from service at a<br />
time<br />
Please review Specification section 01520 –<br />
Maintenance of Plant Operations During Construction<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – Blower Building<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – Secondary<br />
Clarifiers 1 and 2<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – Secondary Clarifier 3<br />
RWSA Contractors BreakfastNov0831037.ppt
Timing of Secondary Clarifier No.3<br />
Construction<br />
Tertiary Settling Basin must remain in service<br />
until new filters and UV disinfection are<br />
operational<br />
Temporary direct discharge of effluent to creek<br />
to allow tiein of filters<br />
Demolish Tertiary Settling<br />
Basin and construct<br />
Secondary Clarifier No.3<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – Sludge Pumping<br />
Station<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – Tertiary Filters<br />
RWSA Contractors BreakfastNov0831037.ppt
Bid Alternate for Filters<br />
Plans call for construction of eight filter cells<br />
RWSA is receiving breakout bid pricing for<br />
construction of only six filters and for the<br />
incremental cost of filters 7 & 8<br />
Determination of number of filters will be based on<br />
pricing and negotiations with DEQ<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – UV Disinfection<br />
Facilities<br />
RWSA Contractors BreakfastNov0831037.ppt
RWSA has PreSelected UV Equipment<br />
Considered three manufacturers<br />
Received two equipment bids<br />
Selected Trojan UV 3000 Plus<br />
Equipment proposal and pricing<br />
included in GC bid documents<br />
RWSA Contractors BreakfastNov0831037.ppt
Solids Stabilization and Gas Handling<br />
Improvements<br />
New Gas Holder Cover<br />
Hot Water and Digester Gas Piping<br />
Digester Building Roof Replacement<br />
Boiler Building<br />
Combined Heat and Power Generation System<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – Digester Gas Holder<br />
Cover<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – HW & DG Piping and<br />
Roof Replacement<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP – Boiler Building<br />
RWSA Contractors BreakfastNov0831037.ppt
Solids Handling Building Improvements<br />
New Centrifuge<br />
Sludge pumping improvements<br />
Chemical systems<br />
Architectural improvements<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP –<br />
Solids Handling Building<br />
RWSA Contractors BreakfastNov0831037.ppt
Moores Creek WWTP –<br />
Bulk Chemical Storage Facility<br />
RWSA Contractors BreakfastNov0831037.ppt
Project Phasing<br />
Overall Contract Time = 42 months<br />
Phase 1 Milestone<br />
Septage Receiving and Odor Control<br />
12 months from NTP<br />
Phase 2 Milestone<br />
Tertiary Filter Facilities<br />
UV Disinfection Facilities<br />
Chemical storage and feed systems<br />
22 months from NTP<br />
Tertiary Settling Basin Demo after Phase 2 complete<br />
RWSA Contractors BreakfastNov0831037.ppt
Questions<br />
RWSA Contractors BreakfastNov0831037.ppt