KCLS ITB Reimagining Spaces Kent Library - General Contractor

King County Library System is requesting sealed bids for a general contractor to perform a full interior renovation of the Kent Library (approximately 22,600 square feet) at 212 2nd Ave N, Kent, Washington, with bids due September 21, 2026 at 2:00 p.m.

Prevailing wage compliance under RCW 39.04.010 is mandatory, with a minimum of 15 percent of total labor hours to be performed by registered apprentices unless a waiver is granted. Bidders must satisfy mandatory responsibility criteria including Washington contractor registration under chapter 18.27 RCW, current unified business identifier number, industrial insurance coverage, employment security registration, apprenticeship compliance, prevailing wage training certification, and no disqualifying wage violations. Supplemental responsibility criteria require at least three comparable public construction projects completed within five years with contract values not less than $2.5 million, on-time completion history with no more than one instance of liquidated damages or late completion, and an Experience Modification Rate not exceeding 1.0.

The scope includes selective demolition, construction of new and reconfigured interior spaces, restroom construction with accessibility improvements, and modifications to structural, mechanical, electrical, plumbing, fire-protection, low-voltage, and life-safety systems, plus interior finishes, fixed furnishings, and coordination of owner-furnished items and technology. The facility will remain closed to the public and unoccupied during the five-month construction period. Contractor work hours are permitted Monday through Sunday between 7:00 a.m. and 6:00 p.m. under City of Kent construction rules.

The owner's estimated base bid range is $3.25 million to $3.9 million. A 5 percent bid bond is required when base bid plus additive alternates exceed $35,000. Retainage of 5 percent will be withheld from all payments. Bid prices must remain valid for a minimum of 60 days after bid opening.

A non-mandatory pre-bid meeting is scheduled for September 4, 2026 at 10:30 a.m. via Microsoft Teams. Questions and substitution requests are due September 8, 2026 at 2:00 p.m., with responses published by September 14. Bids will be publicly opened at 3:00 p.m. on September 21. The Notice of Intent to Award is estimated for September 24, with Notice of Award estimated for October 5, 2026.