Tuesday, 09 May 2023

Request for Bid: Quarry Rd Culvert Replacement - CLOSED

Quarry road culvert projectThe RCDSCC invites contractors to bid on the Quarry Road Culvert Replacement Project. The project will help to improve water quality in the San Lorenzo River Watershed by reducing sediment loading through the improvments to private road infrastructure.

The project will remove three existing failing and undersized culverts and replace them with a single 67-foot, 42” diameter smooth-walled HDPE pipe placed at a similar alignment and grade.

The existing road fill is unstable and contains logs and debris, as determined by geotechnical assessment and visual inspection of the downstream side of project area, where erosion has exposed the fill material.

The road fill will be removed under supervision of the geotechnical engineer and replaced with compacted engineered fill inclined at a maximum slope of 1.5H:1v. The downstream face of the embankment will be lined with rock facing and backfilled with topsoil and native forest duff salvaged on site.  A rock energy dissipater will be installed at the outlet to reduce bank erosion and conform the pipe to the downstream channel.  A critical dip will be installed at the margin of the historic fill, discharging onto stable ground at a redwood grove. Local street runoff within existing ditches will be routed to the culvert inlet via protected rock-lined swales. Approximately 100 linear feet of the road will be repaved to improve drainage controls and prevent ongoing slope erosion.

pdfAddendum 1: Quarry Road Culvert Replacement | May 26, 2023

 pdfBid Packet for Quarry Road Culvert Replacement

 pdfExhibit A: Construction Contract for Quarry Road Culvert Replacement (this includes all relevant design and permit information

There will be a mandatory pre-bid walk on May 16, 2023 at 11:00AM, 910 Fern Ave, Felton, CA 95018

Sealed bids will be received until June 1, 2023 at 10:00 AM. Bids may be submitted electronically to Angie Gruys HERE or to the RCD office at 820 Bay Avenue, Suite 136, Capitola, CA 95010

A public bid opening will be held on June 1, 2023 at 10:00 AM at the RCD office at 820 Bay Avenue, Suite 136 Capitola, CA 95010

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