Plains Conservation Center Phase 1 Improvements

The City of Aurora, Colorado is requesting bids on Phase 1 Improvements to the Plains Conservation Center (Bid No. 6080A), with bids due August 17, 2026 at 2:00 p.m. Mountain Time. A minimum of 80 percent Colorado labor is mandated for all work performed on this public works construction project. For large business contractors awarded contracts exceeding $250,000, a good faith effort must be demonstrated to award no less than 10 percent of subcontracting dollars to Small Business Enterprises (SBEs), with documentation required within three working days of bid opening.

The project scope includes demolition, removal, and site preparation; erosion and sedimentation control; earthwork and grading within confined construction limits; soft surface trail construction; fencing (existing fence opening, new fence, and plant protection fence); shade shelter; prefabricated vault toilets with custom structural shroud; bird blinds; and prairie restoration with prescribed seed mixes and soil preparation methods.

The estimated project cost ranges from $3,003,156 to $3,310,980. All work must be completed within 180 calendar days from issuance of the Notice to Proceed, with liquidated damages assessed at $1,000 per day for delays beyond this deadline. Bidders must submit a bid bond of no less than five percent of their total bid amount. The successful bidder must execute a Performance Bond and separate Payment Bond within ten calendar days of the Notice of Award. Progress payments will be made at 95 percent of completed work with five percent retainage.

An optional pre-bid conference is scheduled for July 30, 2026 at 9:00 a.m. via Microsoft Teams. Written questions are due August 6, 2026 at 3:00 p.m., with any addenda issued by August 11, 2026. Bids are due electronically through BidNet, with bid opening and public reading to occur 30 minutes after the deadline.