# Nevada Ionwave #608010-26 Addendum 1

Clark County Sim Street Roadway Improvements and Cottonwood Avenue Ponding Mitigation

**Posted:** October 13, 2026
**Respond By:** November 03, 2026
**Identifier:** 608010-26 Addendum 1
**NAICS:** 237310, 237990

Clark County is seeking a contractor for roadway and drainage improvements on Sim Street and Cottonwood Avenue.
- **Government buyer:** Clark County, Nevada. No sub-agency or purchasing office is identified.
- **Work requested:**
  - Sim Street, from Marley Way to Warm Springs Road: remove and replace asphalt pavement, signage, traffic signing, and related appurtenances within the existing right-of-way.
  - Cottonwood Avenue, from Swapp Drive to Heyer Street: re-grade the existing swale and replace storm drain pipe at residential driveways with a 4 ft × 2 ft reinforced concrete box.
- **OEMs and vendors:** No manufacturers, product brands, or vendors are named in the available information.
- **Notable requirements:** The work combines roadway improvements with localized drainage and ponding mitigation. No quantities or part numbers are provided.

### Description

Clark County invites bids for roadway improvements on Sim Street from Marley Way to Warm Springs Road, and ponding mitigation along the south side of Cottonwood Avenue from Swapp Drive to Heyer Street. Work includes removing and replacing asphalt pavement, signage, traffic signing, and other necessary appurtenances within the existing right-of-way. Ponding mitigation includes re-grading the existing swale and replacing storm drain pipe on residential driveways with a 4 ft × 2 ft reinforced concrete box. The source lists a bid deadline of November 3, 2026, at 2:15 PM PT and identifies the solicitation as Addendum 1.

[View original listing](https://nevada.ionwave.net/PublicDetail.aspx?bidID=20771&SourceType=1)