Phase 1 Landfill Cover Installation

Paulding County is soliciting sealed bids from qualified, experienced, and licensed contractors for Phase 1 landfill cover installation at the Ivey Gulledge Road Municipal Landfill in Dallas, Georgia, with bids due September 1, 2021 at 11:00 a.m. EST and a mandatory pre-bid site inspection on August 16, 2021 at 11:00 a.m. EST.

The scope requires furnishing all labor and equipment to install an impermeable cover on Phase 1 of the landfill. Work includes site preparation, grubbing, grading, borrow soil excavation, topsoil mixing, installation and maintenance of erosion control measures, installation of a Geosynthetic Clay Liner (GCL), placement of fill and drainage layers, soil cover placement, and site restoration. GCL materials must meet CETCO specifications for Bentomat ST or Bentomat 200R, with detailed requirements for geotextile mass (3.2 oz/yd² minimum woven base), bentonite swell index (24 mL/2g minimum), grab strength (30 lbs/in minimum), and hydraulic conductivity (5 × 10⁻¹¹ m/s maximum). Installation mandates minimum 6-inch longitudinal overlaps (12 inches for high-head applications), 24-inch end-of-panel overlaps, bentonite-enhanced seams at 0.25 pounds per linear foot, cover soil of minimum 1-foot thickness with no angular stones exceeding 1 inch, and subgrade particle size distribution of 80 percent finer than #60 sieve. Manufacturing and construction quality assurance protocols include daily operations logs, lot and roll number tracking, and comprehensive testing data packages.

Garney Construction was awarded the contract in the amount of $1,183,541. Each bid must be accompanied by a bid bond or certified check equal to five percent of the total contract amount. The successful bidder must furnish performance and payment bonds and be added to Paulding County Finance Department's Approved Vendors List. Bidding documents and site plans are available from the Paulding County Finance Department or from the owner's representative, Mill Creek Environmental, LLC (dcentofanti@millcreekenvironmental.com). Questions are due by close of business August 18, 2021, with compiled responses returned by August 23, 2021.