Inlet Structure & Doors at TWRAs Lillards MILL

Tennessee Wildlife Resources Agency is requesting bids on a one-time purchase of precast inlet and vault structures and stainless steel access doors for Lillard's Mill in Marshall County, Tennessee, with bids due August 11, 2026 at 1:00 PM CDT and questions due August 3, 2026 at 1:00 PM CST. This is an ITB (Event 32801-13964) with award to the lowest-cost responsive and responsible bidder.

The scope comprises one precast intake structure (72 inches × 72 inches × 128.93 inches) with integrated manhole steps, one precast vault structure (48 inches × 48 inches × 36 inches), a top for the inlet structure, and two stainless steel access doors (30 inches × 30 inches and 36 inches × 36 inches). All items must be fabricated to specifications in the technical drawings (Sheet No. 5) and conform to ASTM C478 (concrete 4,000 psi), with manhole steps meeting Neenah R-1982-W or equivalent specifications and doors meeting BILCO Type J-3ALH20 or equivalent. Shop drawings demonstrating compliance must be submitted prior to manufacturing and must be stamped by a registered professional engineer in Tennessee. The inlet structure qualifies as a confined space under OSHA regulations.

Delivery is required within 60 days of purchase order issuance to TWRA Headquarters, Building 5107, Edmondson Pike, Ellington Agricultural Center, Nashville, Tennessee 37211, coordinated with TWRA Representative Bill Forte. The contractor must comply with the Build America, Buy America Act, requiring all iron, steel, manufactured products, and construction materials to be produced in the United States with domestically mined components representing greater than 55 percent of total component costs. Additional requirements include proper Tennessee contractor licensing, sales and use tax registration, workers' compensation and liability insurance (one million dollars employer liability per accident, one million dollars combined single-limit general liability per occurrence with two million dollars aggregate, and one million dollars automobile liability), and attestations regarding prohibited illegal immigrant employment. A one-year manufacturing warranty applies from acceptance. Pricing must remain firm for 90 days. Bidders must register with the State of Tennessee Supplier Portal and conduct on-site inspections at Lillard's Mill to verify dimensions and site conditions.