# Torrance Planet bids #B2026-12

Walteria Reservoir hillside reconstruction and slope stabilization

**Posted:** October 28, 2026
**Respond By:** December 04, 2026
**Identifier:** B2026-12
**NAICS:** 237990, 238910, 561730

The City of Torrance Public Works Department is seeking a contractor to rebuild and stabilize the hillside at Walteria Reservoir.
- **Buyer:** City of Torrance, Public Works Department; project Walteria Reservoir Slope Repair / Slope Stabilization (I-181).
- **Scope:** Reconstruct the hillside, including clearing and grubbing, tree removal, excavation and export, drainage swale construction, slope stabilization, erosion control, landscaping, irrigation, hydroseeding, and related construction support.
- **Key OEMs and named suppliers:** **Propex** is specified for Pyramat 75 high-performance turf reinforcement mat (HPTRM); **Hunter** irrigation products; **Rain Bird** controller; **Hayward** isolation valve; and Stover Seed Company. Plans also reference Greentech for a controller enclosure and Hushmand Associates, Inc. for geotechnical investigation and engineering design. Named hydroseed products include Promatrix, Jumpstart, Bioprime, and Proganics.
- **Major products and quantities:** 27,500 square feet of Pyramat 75 HPTRM with a burrowing-deterrent system, securing pins, and engineered earth anchors; five 15-gallon holly oak trees; 100 plants identified as SPE GEN; and one project construction sign. Irrigation plans identify Hunter I-20-00 rotor heads, Hunter HQ-44LRC quick coupler valve, Hunter ICV-AS-ADG remote control valve, Hayward SLC Series isolation valve, and an existing Rain Bird MC 40 controller. Quantities for the irrigation components are not stated in the available plans.
- **Other work quantities:** 22,500 for hillside clearing and grubbing; six trees for removal; 3,320 for unclassified excavation and export; 380 for drainage swale construction; and 21,300 for hydroseeding. Units are not specified in the available bid summary for these quantities.
- **Notable requirements:** Class A contractor license; 60 working days to complete the work after Notice to Proceed; and a separate 180-day plant establishment and maintenance period. The HPTRM installation includes engineered anchors and a burrowing deterrent. The plans specify a native hydroseed mix.

### Description

The City of Torrance is soliciting bids for reconstruction of a hillside at the Walteria Reservoir. Work includes clearing and grubbing, excavation, drainage swale installation, installation of a high-performance turf reinforcement mat (HPTRM), landscaping, and irrigation, along with incidental work. The project is to be completed within 60 working days from the Notice to Proceed, which is expected on or after April 1, 2027. A mandatory pre-bid meeting is scheduled for November 9, 2026.

[View original listing](https://vendors.planetbids.com/portal/47426/bo/bo-detail/144145)
