Combined Dams Ten (10) Outlet Works Rehabilitation

Awarded State & local contract opportunity Posted

Solicitation number
BL087-23
State
Georgia
Responses due

Opportunity facts

Jurisdiction
Point of contact

Opportunity details come from ssl.doas.state.ga.us. Updated .

About this opportunity

Written by GovTribe AI ·

Gwinnett County Department of Water Resources is requesting bids on combined major maintenance and rehabilitation of outlet control structures and principal spillways at ten NRCS dams across Georgia (sites H-3, H-21, H-22, H-25, Inverness, M-7, N-1, TM-1, Y-3, and Y-16), with bids due August 7, 2023 at 2:50 p.m. under solicitation BL087-23. All bidders must acknowledge receipt of Addendum 4 in the bid form or face disqualification.

The scope includes in-kind replacements or repairs to low-level drain gates, reservoir-level maintenance gates, wildlife passage gates, and spillway pipe linings; localized concrete repairs; and safety improvements for operating personnel and the public, including standing platforms, railings, access ladders, caution signage, and painting. Work will be performed in the dry at all sites except Inverness Lake Dam. The bid form contains 48 base line items and 8 owner-directed unit price items with quantities ranging from 1 lump sum to 7,960 linear feet. Key specifications include maximum drawdown rates of one foot per day, welded stainless steel grating for trash racks, and concrete cleaning and coating requirements. An ongoing water-supply requirement of 72,000 gallons per week year-round for golf-course irrigation applies at Dam N-1.

Stantec Consulting Services is serving as Engineer of Record for nine sites (H-3, H-22, H-25, M-7, TM-1, N-1, Y-3, Y-16, and Inverness); Freese and Nichols is Engineer of Record for H-21. The anticipated notice to proceed is October 2023. Gwinnett County will award the contract to the lowest responsive and responsible bidder. A plan holders list as of July 14, 2023, identifies 20 prime contractors who have received bid documents. Addendum 2 (July 20, 2023) addressed 31 bidder questions covering permit responsibilities, geotechnical testing, dewatering methods, and equipment specifications.

Opportunity text

This is a combined major maintenance project for outlet control structures and principal spillways at 10 NRCS Dams. As a project, it entails in-kind replacements or repairs to extend the service life of multiple dam features. Improvements of low-level drain gates, reservoir-level maintenance gates, localized concrete repairs, wildlife passage gates, and lining of spillway pipes are some the maintenance efforts to take place. Safety improvements for operating personnel and public (i.e., standing platform additions, railings, and access ladders, caution signage, painting) are also coupled to the project. Stantec Consulting Services designed site improvements and is serving as Engineer of Record at nine sites (H-3, H-22, H-25, M-7, TM-1, N-1, Y-3, Y-16, and Inverness). Freese and Nichols designed site improvements and is serving as Engineer of Record for the H-21 site.

Files

File Type Posted
BL087-23 ADD2 —
ADD 3 —
BL087-23 Notice —
BL087-23 ADD4 —
BL087-23 ADD1 —
BL087-23 ADD5 —
Award Information —

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