Addendum 3 EXHIBIT F STRUCTURAL.pdf

This Addendum 3 Exhibit F is a structural specification document for the Hawaii Community Development Authority's Honuakaha Hot Water Return Systems Modifications project located at 545 Queen Street, Honolulu. The project involves modifications to domestic hot water return systems serving 151 rental units at the affordable housing complex. The scope of work includes demolition and installation of new domestic hot water return piping, valves, supports, and insulation throughout multiple building areas including the P2 parking level, vertical utility pathways, trash chute and mechanical access rooms, and rooftop mechanical areas. The mandatory pre-bid conference and site inspection is scheduled for July 29, 2026 at 10:30 a.m. HST, with questions due August 6, 2026 at 3:00 p.m. HST and responses provided by August 13. Sealed bids must be submitted electronically through the Hawaii eProcurement (HIePRO) system by August 21, 2026 at 3:00 p.m. HST, with an anticipated award date of August 27, 2026. Final completion is required within 180 consecutive calendar days from Notice to Proceed.

This is a lump sum construction contract requiring bidders to hold a valid State of Hawaii C-37 Plumbing Contractor license and demonstrate a minimum of five consecutive years of experience in similar work with an established office or service presence on Oahu. A minimum of 80% of the workforce must be Hawaii residents under Chapter 103B, HRS. Prevailing wage requirements apply with minimum hourly rates of $38.53 for Construction and Maintenance Worker II and $36.40 for Plumber positions. Materials specifications require Type L seamless rigid copper tubing with wrought copper or cast copper alloy solder-type fittings, bronze ball valves, Y-strainers, and black flexible elastomeric pipe insulation with aluminum jacketing. All piping must be pressure-tested at 150 psig and disinfected, then flushed to specified standards. Bid security of 5% and Performance and Payment Bonds equal to 100% of contract price are required. The building remains occupied throughout construction with normal work hours Monday through Friday, 8:00 a.m. to 4:30 p.m., and liquidated damages of $500 per calendar day apply for schedule delays. A one-year warranty on all work is provided following Final Acceptance, and the HIePRO system charges a mandatory 0.75% transaction fee not to exceed $5,000 for the contract term.