Summary of 19-Attachment D - Drawings

This is an attachment document for a competitive sealed bid solicitation issued by the Hillsborough County Board of County Commissioners for cast-in-place concrete floor upgrades at the Northwest Transfer Station Community Collection Center. The project scope includes demolition of existing concrete and asphalt paving, installation of cast-in-place concrete meeting ACI 301 standards with specified compressive strength requirements (6,000 psi at 28 days; 4,500 psi at 3 days), steel reinforcement, and related facility upgrades across three construction phases. Work encompasses 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. Bids are due July 31, 2026 at 2:00 p.m. Eastern Time. Substantial Completion is required 150 calendar days from Notice to Proceed (with liquidated damages of $1,000 per day); Final Completion is due 180 days from Notice to Proceed (with liquidated damages of $750 per day), with an additional 36 days allocated for Allowance Work.

The estimated contract value is $2,243,136.50 with an additional $200,000 allowance for Allowance Authorization. A 5% Small Business Enterprise subcontractor participation goal applies. Bidders must submit a 5% Earnest Money Deposit or Bid Bond and furnish Performance and Payment Bonds equal to 100% of the contract amount upon award. Progress payments are subject to 5% retainage throughout the contract. All bidders must hold a valid Florida Building Contractor license and comply with E-Verify requirements. The contractor must retain an accredited Construction Quality Control Consultant and submit a Plan of Execution at least 14 days prior to work commencement. Award is made to the lowest responsive and responsible bidder meeting all specifications, with all line items requiring bids for eligibility.