Northwest Transfer Station Community Collection Center (NWTS CCC) Floor Upgrades

Hillsborough County Board of County Commissioners is requesting competitive sealed bids from licensed Florida General Contractors for cast-in-place concrete floor upgrades at the Northwest Transfer Station Community Collection Center, with bids due July 31, 2026 at 2:00 p.m. Eastern Time. A 5% Small Business Enterprise subcontractor participation goal applies.

The scope encompasses demolition of existing concrete and asphalt paving, installation of cast-in-place concrete meeting ACI 301 standards and specified compressive strength (6,000 psi at 28 days; 4,500 psi at 3 days), steel reinforcement, high-early-strength Type III cement concrete, and related facility upgrades across three construction phases. Work includes mobilization, as-built surveys, grading and subgrade stabilization, crushed concrete base installation, steel I-beam and metal canopy placement, construction quality control testing with documented cylinder testing at three, seven, and 28 days, jersey barriers, and erosion and sediment control. The contractor must retain an accredited Construction Quality Control Consultant and submit a Plan of Execution addressing traffic patterns, shop drawings for formwork and reinforcing steel, and concrete design mix specifications at least 14 days prior to work commencement. Work must not interfere with the Community Collection Center's operational areas outside the active construction phase.

The estimated contract value is $2.24 million, with an additional $200,000 allowance for Allowance Authorization. Substantial Completion is due 150 calendar days from Notice to Proceed (liquidated damages $1,000 per day); Final Completion is due 180 days from Notice to Proceed (liquidated damages $750 per day). Additional 36 days are allocated for Allowance Work. Progress payments are subject to 5% retainage throughout the contract. Bidders must submit a 5% Earnest Money Deposit or Bid Bond and, upon award, furnish Performance and Payment Bonds equal to 100% of the contract amount. All general liability, workers' compensation, and other insurance requirements must name Hillsborough County as Additional Insured with 30-day cancellation notice. Bidders must hold a valid Florida Building Contractor (BC) license and comply with E-Verify requirements. A preconstruction conference will be held prior to work commencement. The contract is governed by Florida law with venue in Hillsborough County and is non-exclusive.

Submission requires the SBE-1 Form listing all registered SBE subcontractors and material suppliers with scope of work and estimated dollar amounts; failure to complete this form may result in bid rejection. Subcontractors must submit Letters of Intent or executed subcontract agreements. Bidders must complete the Affidavit of Compliance (Foreign Country of Concern), Drug-Free Workplace Certification, and Substitute W-9 Form with all bids. Bids are submitted through the County's electronic bidding system (Euna Procurement). Award is made to the lowest responsive and responsible bidder meeting all specifications; all line items must be bid to be eligible for award.