City of Santa Rosa PlanetBids #25STM3-3N15

Calle Real arch culvert storm-damage repairs and preventive work

Santa Barbara County Public Works is seeking a contractor for preventive storm-damage repairs to the Calle Real arch culvert at Canada del Corral. - Buyer and project - County of Santa Barbara, Department of Public Works, Engineering Section; project 25STM3-3N15 in the 3rd Supervisorial District. - The work concerns the Caltrans Canada del Corral arch culvert at Calle Real. - OEMs and vendors - No OEMs, product vendors, or named suppliers are identified. This is a civil construction project rather than an OEM-specific purchase. - Requested work and notable requirements - Divert water and dewater the work area, core the existing culvert invert, and inject and vibrate 2,000-psi pea-gravel concrete to fill voids beneath it. - Apply shotcrete to exposed areas and culvert-segment joints, with specified 4-inch-by-4-inch, 4-gauge welded wire mesh and epoxy-coated #5 reinforcing bar; patch invert holes with high-strength, fast-setting grout. - Provide grout ports and slurry-cement backfill, and relocate the Type K concrete barrier. Environmental measures include water-quality and pedestrian-safety controls and monitoring for California red-legged frog. - Bid schedule - Traffic control system (item 120100): 1 LS; job site management (130100): 1 LS; water pollution control program (130201): 1 LS. - Temporary creek diversion systems (131201): 1 LS; temporary concrete washout (130900): 1 LS; clearing and grubbing (170103): 1 LS. - Remove unsuitable material (190167): 15 CY; drill and chemically bond dowels (511111): 40 LF; epoxy-coated reinforcing steel (520106): 120 LB. - Welded wire reinforcement (520132): 20 SQYD; shotcrete (530100): 13 CY; grout ports (710364): 20 EA. - Culvert slurry-cement backfill (710368): 70 CY; relocate Type K concrete barrier (839769): 80 LF. - Value and schedule - Estimated project cost: $175,500. Complete the work within 14 working days; no start or end date is specified.

Description

Santa Barbara County Public Works is seeking bids for preventive repairs to the arch culvert at Calle Real at Canada del Corral. Work includes temporary water diversion and dewatering, injecting pea gravel concrete to fill voids below the culvert invert, shotcreting exposed areas and culvert joints, and patching holes with high-strength grout. The bid schedule includes traffic control, drilled and bonded reinforcement, reinforcing steel, shotcrete, grout ports, and culvert backfill. The notice estimates the project cost at $175,500 and states that the work must be completed within 14 working days.

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