Invitation to Bid - City of Chandler Pecos Surface Water Treatment Plant Large Conference Room Addition, Project No. WA2501. 401

The City of Chandler is requesting sealed bids for construction of a 1,600-square-foot conference and training room addition at the Pecos Surface Water Treatment Plant Administration Building under Project No. WA2501.401, with bids due August 25, 2026 at 3:00 p.m. Arizona time and a mandatory site visit on July 23, 2026 at 9:00 a.m.

The scope encompasses construction of a new addition at 1475 East Pecos Road, Chandler, Arizona 85286, housing a conference/training room, unisex ADA restroom, Information Technology room, and storage room. The project is classified as Occupancy Class B under IBC Type II-B with a required fire sprinkler system. Key construction elements include a spray polyurethane foam roof system with elastomeric coating (minimum R-25 C.I. rating), 12-inch concrete masonry unit walls with EIFS exterior finish, metal stud interior partitions, and specified finishes in carpet tile, vinyl composition tile, ceramic tile, and painted gypsum board. Deferred submittals include fire sprinkler design, fire alarm system design, and roof joist design, which the contractor will submit for the City of Chandler building permit. The existing building is 26,333 square feet, two stories, 33 feet in height; the addition brings the total to 27,933 square feet without changing stories or height. The project includes 103 total parking spaces (2 accessible) on an 872,002-square-foot site and is subject to 2024 International Building Code standards and City of Chandler amendments.

The engineer's estimate ranges from $600,000 to $1.2 million. The work must be completed within 365 consecutive calendar days from Notice to Proceed, with Substantial Completion required by day 305 and Final Acceptance by day 365. Bid bonds must equal at least 10% of the total bid amount; the successful bidder must furnish Payment and Performance Bonds each equal to 100% of the Agreement Price. Bidders must hold a current Arizona State Contractor's License with applicable classification and provide proof of Arizona Department of Revenue Privilege Tax License. All bid prices must include applicable sales and use taxes. An Owner's Allowance of $100,000 is available for approved additional work. Background screening is required for all workers. Questions are due July 30, 2026 at 5:00 p.m. Arizona time via email to Bid.Questions@chandleraz.gov. Bids remain open for 90 days after opening. Liquidated damages apply for failure to meet Substantial Completion or Final Acceptance deadlines.