# Oregon Buys #S-63400-00018017

Silver Falls State Park Water Supply Well Replacement Project

**Posted:** September 21, 2026
**Respond By:** November 02, 2026
**Identifier:** S-63400-00018017
**NAICS:** 213115, 237110, 237990

The Oregon Parks and Recreation Department is seeking a contractor to replace water supply wells at Silver Falls State Park.
- Government Buyer:
  - Oregon Parks and Recreation Department, Silver Falls Management Unit
  - Contact: Bryant Hayes
- Engineering Firms (Design/Specification):
  - Terraphase Engineering, Inc.
  - Keller Associates, Inc.
- Scope of Work:
  - Replacement of North Well 1 and South Well, including drilling, casing, grouting, and well development
  - Abandonment of existing wells (Steel Tank Well 2 and Redwood Tank Well 3)
  - Site work, demolition, and well facility improvements
  - Aquifer testing (step-rate and constant-rate), video logging, plumbness and alignment testing
  - Permits, mobilization/demobilization, erosion control
- Technical Details:
  - Borehole drilling: 12-inch diameter (810 ft for North Well 1, 1050 ft for South Well)
  - Well casing: 8-inch diameter (732 ft for North Well 1, 950 ft for South Well)
  - Cement grout annular seal and factory perforated casing
  - Well development: 40 hours per well
  - Aquifer testing: 5 step-rate and 24 constant-rate tests per well
- Unique Requirements:
  - Compliance with Oregon laws and detailed technical specifications
  - Archaeological and human remains protection (Inadvertent Discovery Plan)
  - Liquidated damages for delays
- No specific product part numbers or OEM equipment; work is service-based and defined by engineering plans
- NIGP code: 96296 (Well Services)
- Contract period: Start upon Notice to Proceed, substantial completion by contract milestone, final completion one year after substantial completion

### Description

This Invitation to Bid (ITB) is for the Silver Falls State Park Water Supply Well Replacement project managed by the Oregon Parks and Recreation Department. The project involves replacing water supply wells at Silver Falls State Park, including drilling, casing, grouting, video logging, aquifer testing, site work, demolition, and well facility improvements for multiple wells. Bidders must complete specific forms and adhere to technical specifications provided in attachments. A voluntary pre-bid conference is scheduled for October 13, 2026, and bids are due by November 2, 2026.

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