# Tualatin Valley Water District Bidlocker #6398

Tualatin Valley Water District water-main replacement and infrastructure work

**Posted:** October 28, 2026
**Respond By:** November 19, 2026
**Identifier:** 6398
**NAICS:** 237110, 237990

Tualatin Valley Water District is seeking bids to replace water mains and related infrastructure near SW 176th Avenue and SW Sugar Plum Lane.
- **Buyer and project:** Tualatin Valley Water District; 176th & Sugar Plum Main Replacement, Solicitation 6398 / Project C12946, in Washington County, Oregon.
- **Scope:** Replace approximately 5,290 linear feet of existing water main and install approximately 139 linear feet of 12-inch HDPE pipe using horizontal directional drilling. Work also includes service reconnections, valves, hydrants, fittings, abandonment of existing infrastructure, testing, and surface restoration.
- **Materials and quantities:** 5,297 linear feet of ductile iron pipe across 4-, 6-, 8-, and 12-inch sizes; 139 linear feet of 12-inch HDPE pipe; fittings, valves, hydrants, and other assemblies listed below.
- **OEMs and vendors:** No pipe or equipment OEMs or product brands are specified. Bid Locker is referenced as the electronic bid-submission platform in the initial notice; the most recent notice does not state a submission method.
- **Notable requirements:** The initial notice calls for prescribed bid forms, bidder qualifications, a bid guarantee equal to 5% of the bid, and compliance with Oregon public-works and prevailing-wage requirements. Mobilization is capped at 5% of the total bid. The latest notice does not restate submission or bid-guarantee details.
- **Cost and performance:** Engineer’s estimate is $2,275,000. Work is anticipated to begin following notice to proceed and must be completed by mid-2027; no options or recurring subscription are identified.

### Description

Tualatin Valley Water District is seeking bids to replace approximately 5,290 linear feet of 4- and 6-inch cast iron water main with 4- and 8-inch ductile iron pipe, and install approximately 140 linear feet of 12-inch HDPE by horizontal directional drilling. Work includes water services, hydrants, appurtenances, fittings, abandonment of the existing main, surface restoration, traffic control, and erosion control near SW 176th Ave and SW Sugar Plum Ln in Washington County, Oregon. The engineer’s estimate is $2,275,000, and project completion is required by June 30, 2027. Electronic sealed bids are due November 19, 2026, at 2:00 p.m. Pacific Daylight Time.

[View original listing](https://bidlocker.us/a/tvwd/details/6398_176Th_Sugar_Plum_Main_Replacement_Itb)