# Stillwater Ionwave #23-2026 Addendum 1

Stillwater mini-roundabout rebuild with paving, lighting, landscaping, and signage

**Posted:** October 10, 2026
**Respond By:** November 04, 2026
**Identifier:** 23-2026 Addendum 1
**NAICS:** 237310

The City of Stillwater is seeking bids to rebuild and improve its 10th Avenue and Main Street mini-roundabout in Oklahoma.
- **Buyer:** City of Stillwater, Oklahoma; Engineering Department. Related documents also identify Community Development and the Office of the City Clerk.
- **Scope:** Roadway demolition and paving, stamped-concrete rehabilitation, signage and striping, lighting and electrical work, landscaping, irrigation, hardscaping, stone edging, and related site improvements.
- **Named manufacturers and suppliers:** **Rain Bird** irrigation components; **RAB Lighting** sculpture uplights; **Wilkins** backflow preventer; **Bluebird Stone** planter edging; Mirafi 160 separator fabric. SolarPath Inc. asked about offering an equivalent solar pavement marker; the City will review proposed equals through construction submittals. SolarPath Inc. is not identified as the required manufacturer.
- **Key specified products and quantities:** 16 yellow MS-200 solar lights for non-roundabout areas and 20 yellow, flush-mounted, core-drilled MS-127 roundabout lights, each with approved-equal provisions; 250 SY of Mirafi 160 or equivalent separator fabric; six RAB LFLED8NA sculpture uplights; and listed Rain Bird irrigation equipment and Wilkins backflow equipment.
- **Other bid quantities:** 245 SY of dowel-jointed concrete pavement, 41 CY of 6-inch concrete pavement and aggregate base, 245 SY of subgrade preparation, 250 SY of separator fabric, 224 LF of white crosswalk striping, 120 LF of white and 126 LF of yellow traffic stripe, four each of the listed yield, circle-direction, and pedestrian-crossing signs, and one lump-sum each for landscaping, irrigation, Downtown Stillwater signage, hardscaping, stamped-concrete rehabilitation, and demolition.
- **Stamped-concrete alternate:** Alternate 1 is full replacement of the 4-inch stamped-concrete apron, including mountable curb; the base bid is an overlay rehabilitation of the existing pavement, with pavement repairs incidental to the work.
- **Notable requirements:** Contractor self-performance must be at least 15%. Traffic-control and stormwater plans require approval; the work must maintain access and protect existing utilities and the bronze sculpture. Permanent pavement markings are multipolymer. The added electrical work supplies power to the sculpture uplights, signage, and irrigation system.
- **Estimated value:** $140,000 for the base work, with Alternate 1 estimated at $30,000.

### Description

The City of Stillwater is seeking bids for rehabilitation and improvement of the existing mini-roundabout at 10th Avenue and Main Street. Work includes pavement, landscaping, lighting, signing and striping, and related improvements. Bids are submitted electronically through the Stillwater Ionwave portal, with a bid deadline of November 4, 2026. Addendum 1 includes responses to bidder questions and revisions to the project manual, drawings, and pre-bid materials.

[View original listing](https://stillwater.ionwave.net/PublicDetail.aspx?bidID=398&SourceType=1)