# British Columbia BCBid #235366

Engineering Assessments for Xwulqw’selu (Koksilah) Water Storage Options

**Posted:** October 28, 2026
**Respond By:** November 24, 2026
**Identifier:** 235366
**NAICS:** 541330

The Cowichan Valley Regional District is seeking engineering assessments of potential large-scale water storage options for the Xwulqw’selu (Koksilah) watershed.
- **Government buyer:** Cowichan Valley Regional District (CVRD); no sub-agency or specific office is identified.
- **Requested services:** Assess available storage for three provisional options: Grant Lake with a dam at the lake outlet, and two gravel extraction pits developed through excavation and waterproof liners.
- **Deliverables:** Class D cost estimates for storage and distribution infrastructure.
- **Scope flexibility:** The assessment options may be adjusted if an alternative is identified.
- **OEMs and vendors:** No product manufacturers, OEMs, or service vendors are named. No products, part numbers, or product quantities are specified.

### Description

The Cowichan Valley Regional District is seeking proposals for Xwulqw’selu (Koksilah) water storage options. The work focuses on large-scale storage options, including Grant Lake and gravel extraction pits. Deliverables include engineering assessments of available storage for three large-scale options and Class D cost estimates for storage and distribution infrastructure. The assessments provisionally cover Grant Lake with a dam at the lake outlet and two extraction pits using excavation and a waterproof liner; the scope may be adjusted if an alternative option is identified.

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