San Diego County Ivalua #RFB 13199

Cole Grade Road Improvement Project – Phase 1 Construction and Utility Relocation

San Diego County is seeking bids for the Cole Grade Road Improvement Project - Phase 1, a major infrastructure initiative involving roadway upgrades, bridge construction, and utility relocations. - Government Buyer: - San Diego County Department of Purchasing and Contracting - Contact: Maggie Ramsberger, Interim Director - OEMs and Vendors: - No specific OEMs are named; products reference Caltrans standard specifications and regional standard drawings - Utility coordination required with SDG&E, AT&T, Mediacom, Valley Center Municipal Water District - Products Requested: - Extensive list of construction materials including: - Plastic pipes (3/4" and 1" Schedule 40, part numbers 208613A, 208614A) - PVC pipe conduits (2"–6", Schedule 40, part numbers 208691A, 208693A, 208694A, 208695A) - Quick coupling valves (part number 208649) - Hydraulic mulch (Bonded Fiber Matrix, part number 210252) - Hydroseed (part number 210430) - Aggregate base (Class 2, part number 260203) - Hot mix asphalt (Type A, Minor, Rubberized, part numbers 390132, 390136, 390137) - Concrete piling (36" Cast-In-Drilled-Hole, part numbers 490605, 490682A) - Structural concrete for bridges, footings, approach slabs, box culverts, headwalls, drainage inlets (various part numbers) - Bar reinforcing steel (Bridge, Galvanized, part numbers 520102, 520115) - Reinforced concrete pipes (Class III & IV, 18"–48", part numbers 650311, 650316, 650320, 650411, 650416, 650424, 650432) - Perforated and non-perforated plastic pipe underdrain (part numbers 680905, 680906A) - Precast concrete cleanout (24", part number 707448A) - Small-rock slope protection (part number 720110) - Concrete barriers (Type 836, 836A, part numbers 839741, 839742) - Traffic control materials: thermoplastic pavement marking, paint traffic stripe, temporary signal system - Services Requested: - Clearing and grubbing - Rock excavation - Utility relocations (water, electric, telecom) - Construction of roadway sections and structures - Traffic control management - Unique/Notable Requirements: - Coordination with multiple utility companies for relocations and installations - Environmental and permit restrictions, including shoring near high-voltage transmission banks - Traffic control plans must be stamped by a registered engineer - Strict adherence to Caltrans and regional standards - Submission of specific forms at bid time - Engineer's estimate is approximately $27.3 million - Multiple addenda with clarifications and updates to contract documents - Large quantities of materials required (e.g., 95,000 SQFT hydroseed, 150,000 LF thermoplastic pavement marking) - Safety and environmental compliance are emphasized throughout the project

Description

This solicitation is for the Cole Grade Road Improvement Project - Phase 1. The project involves road improvements including clearing and grubbing, utility relocations, rock excavation, and construction of new roadway sections and structures such as box culverts and headwalls. The work includes coordination with utility companies for temporary pole relocations and waterline installations, compliance with environmental and permit restrictions, and traffic control management. The bid opening is scheduled for August 6, 2026, with a series of addenda providing clarifications and updates to the contract documents.

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