# Wyoming Construction Public Purchase #PS #27-0697

Engineering design for five vault toilet replacements and site improvements at Keyhole State Park

**Posted:** October 05, 2026
**Respond By:** November 09, 2026
**Identifier:** PS #27-0697
**NAICS:** 541330

Wyoming is seeking professional engineering design services to replace vault toilets and improve accessibility and drainage at Keyhole State Park.
- **Government buyer:** Wyoming State Construction Department, Procurement Section, on behalf of the Wyoming Department of State Parks and Cultural Resources, Division of State Parks, Historic Sites & Trails.
- **Requested services:** Engineering and design for removal and replacement of five vault toilets, including double-vault toilet design.
- **Site improvements:** Improve accessibility across roadways, parking areas, and access routes; address drainage; and stabilize the site.
- **OEMs and vendors:** No OEMs, vendors, or specific products are named.
- **Notable requirements:** Design work must cover both toilet replacement and related accessibility, drainage, and site stabilization needs.

### Description

The solicitation seeks professional engineering services for the removal and replacement of five vault toilets at Keyhole State Park. The work includes design and engineering for double vault toilet replacement, accessibility features such as roadways, parking areas, and access routes, and drainage improvements and site stabilization. Proposals must be submitted through the Public Purchase online bidding system using State of Wyoming forms by November 9, 2026, at 1:00 p.m. MT. The procuring agency states that incomplete uploads at the deadline will be deemed non-responsive.

[View original listing](https://www.publicpurchase.com/gems/wyoconstruction,wy/buyer/public/publicInfo)