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Hawaii Department of Defense·Hawaii

Installation of new replacement backflow preventor assembly, to include all necessary plumbing parts

Closes 11/10/2026$50k – $150kInvitation for Bid
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Description

This solicitation calls for the removal, disposal, and replacement of two 2½‑inch water backflow preventor assemblies at the FMS 1 (CSMS Kalaeloa) site, including all associated flanges, fittings, gaskets, and related hardware. The contractor must coordinate with local water utilities, conduct required testing, provide a one‑year workmanship warranty, and meet extensive environmental, labor‑compliance (Davis‑Bacon, ACT 68), and bonding requirements. The work is scheduled to begin mid‑November 2027 and must be completed by mid‑December 2027. • Replace two backflow preventor assemblies (including all necessary plumbing components). • Perform coordination, shut‑off, testing, final clean‑up, and reporting as outlined in the SOW. • Provide required performance and payment bonds (100 % of contract price) and comply with environmental and labor statutes.

Attached files

Contact

Michiko Aizawa‑Smith(Purchaser)

[email protected]

(808) 777‑7079

Key dates

Opened
10/14/2026
Questions due
10/26/2026
Pre-bid meeting
10/22/2027
Closes
11/10/2026
Duration
1 months

Last updated

Details

Type
Invitation for Bid
Industry
Construction
NAICS
238220
Solicitation №
B-27-SOHDOD-00000626

Budget estimate

$50,000 – $150,000

No contract value is disclosed, but the solicitation triggers performance and payment bonds for contracts ≥ $50,000 and a bid‑bond threshold at $25,000. Typical costs for similar backflow‑preventor replacement projects (materials, labor, testing, warranty, and compliance documentation) range from $50 k for a minimal scope to $150 k for a fully‑spec'd, fully‑bonded effort. Hence a reasonable budget estimate is between $50,000 and $150,000.

AI estimate from the solicitation

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