# City of Santa Ana PlanetBids #22-2508

Santa Ana Zoo retaining-wall replacement and site improvements

**Posted:** October 22, 2026
**Respond By:** November 12, 2026
**Identifier:** 22-2508
**NAICS:** 237990, 238990

The City of Santa Ana Public Works Agency is seeking a contractor to replace and upgrade retaining walls and related site infrastructure at the Santa Ana Zoo.
- **Buyer:** City of Santa Ana, Public Works Agency; Santa Ana, Orange County, California.
- **Scope:** Excavate and grade the site; remove the existing timber piles and other identified features; build new retaining walls; and complete associated drainage, paving, fencing, utility relocations, landscaping, irrigation, and lighting work.
- **Major quantities:** 729 linear feet of 24-inch drilled piles and 55 linear feet of 16-inch drilled piles; 179 cubic yards of colored structural concrete; 3,900 square feet of architectural wall treatment; 33,000 pounds of wall reinforcing steel plus 17,000 pounds for piling; 4 storm-drain catch basins; 88 linear feet of 6-inch PVC storm drain; 449 square feet of pedestrian trail; and 54 square feet of composite decking.
- **Additive alternates:** Landscape improvements, irrigation improvements, 148 tons of access-road paving, and wall/sign uplighting. The landscaping and irrigation schedules also specify planting, irrigation materials, and maintenance.
- **Named OEMs and vendors:** **Davis Color** (Kailua 667 concrete color), **Fitzgerald Formliners** (West Virginia Aged Sandstone form liner), **Natina** (Desert Varnish antiquing stain), **Proline** (Walnut concrete stain), **Sculpt Nouveau** (bronze patina finish), **AFX** (Concord LED outdoor sconce, CNCW Series), **Trex** (Transcend decking, Spiced Rum), and **Jensen** (1818 storm-drain catch basin inlet). Specifications permit approved equals for certain materials.
- **Other notable requirements:** Protect existing site features; verify field conditions; provide shop drawings and finish mock-ups for specified work; use a non-sacrificial anti-graffiti coating; and comply with applicable CWA requirements.
- **Estimated value and schedule:** Estimated value is approximately $1.5 million. Construction is to be completed within 140 working days after the Notice to Proceed; specified landscape maintenance periods are 60 calendar days and, for the landscape alternate, 90 days.

### Description

The City of Santa Ana, Public Works Agency is soliciting bids for the Santa Ana Zoo Wall project. Work includes excavation and grading, demolition of an existing timber pile wall, construction of a new retaining wall, and landscaping and irrigation. The solicitation lists a single estimated value of $1,500,000 and a duration of 140 working days. Electronic bids are due November 12, 2026; a California Class A or B contractor license is required.

[View original listing](https://vendors.planetbids.com/portal/20137/bo/bo-detail/146901)