23-084~1.PDF

PDF 2 MB Posted

Attached to
Madonna Creek Dam Repair Project
Solicitation number
RFB-0000000026
Issued by
San Mateo County, Hayward City, California

About this file

Written by GovTribe AI ·

The file is a Best Management Practices and Staging Plan technical drawing for the Madonna Creek Dam Repairs project, prepared by Waterways Consulting Inc. for the Midpeninsula Regional Open Space District in California. The project involves repairing and stabilizing the embankment downslope of the lower dam, which sustained significant damage during the 2022/2023 winter storms due to a clogged spillway causing overtopping. The project timeline includes bid requests issued on 5/5/25, mandatory pre-bid tours with RSVP deadlines on 5/13/25 and 5/20/25, a bid opening on 6/10/25 at 11:00 AM in Los Altos, CA, contract award on 7/9/25, and a projected on-site work commencement on 8/18/25 with completion by 10/31/25.

The project involves restoring the eroded slope to its original grade using engineered fill, rock slope protection, and native vegetation. The technical drawing details best management practices, including silt fence, boundary fence, fiber roll, and slope protection fabric. Bidders will be required to submit Labor and Materials Payment Bond, Performance Bond, Proof of Insurance, and a signed Agreement by 7/25/25. The project will be funded by the Midpeninsula Regional Open Space District, with the bid opening and contract award to be conducted at their Administrative Office located at 5050 El Camino Real, Los Altos, California.

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Other files

File Type Posted
Supplemental Conditions.pdf PDF
Att E-Project OSMRP.pdf PDF
Att F- C_DWD Policy.pdf PDF
Madonna Getoech Report 6-30-22.pdf PDF
Att D-Phytophthora BMPs.pdf PDF
Madonna Dam Bid Package.pdf PDF
Att B-OSMRP BMPs.pdf PDF
Project Site Map.pdf PDF
Att H- Davis Bacon Wage.pdf PDF
Att C-SMC LoD.pdf PDF
Att A-OSMRP ISMND.pdf PDF
Project Access Map.pdf PDF
Att G-Covered SMC Act.pdf PDF
Site Photos.pdf PDF
Show all 14

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SILT FENCE

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BOUNDARY FENCE

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(E) WOOD BRIDGE

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(E) WOOD STRUCTURE

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(E) 4 IN. DIA. PVC PIPE

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PERIMETER OF (E) ROCK SLOPE PROTECTION

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(E) TOP OF BANK

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(E) TOP OF SLOPE FAILURE ESCARPMENT

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(E) ROCK SLOPE PROTECTION

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FIBER ROLL

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SLOPE PROTECTION FABRIC

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APPROXIMATE LIMITS OF DISTURBANCE.

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APPROXIMATE LIMITS OF RSP

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STANDARD NORTH ARROW

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LEGEND

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AutoCAD SHX Text EXISTING CONTOURS (WATERWAYS SURVEY 2024) EXISTING LIDAR CONTOURS PROPOSED CONTOURS EXISTING FLOW LINE SURVEY CONTROL POINT EXISTING OVERHEAD ELECTRICAL EXISTING POWER POLE EXISTING ROCK SLOPE PROTECTION SEEDING AND MULCHING AREA (APPROX.) SEEDING AND SLOPE PROTECTION FABRIC AREA FIBER ROLL SILT FENCE ESA FENCE LIMITS OF DISTURBANCE (APPROX.)

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BAR IS ONE INCH ON ORIGINAL DRAWING, ADJUST SCALES FOR REDUCED PLOTS

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DATE: JOB NO.:

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DESIGNED BY: DRAWN BY: CHECKED BY:

AutoCAD SHX Text M.W. P.L./K.B. M.W. 5/5/25 23-084

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23-084 MADONNA CREEK DAM REPAIRS 100% DESIGN SUBMITTAL

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PREPARED AT THE REQUEST OF: MIDPENINSULA REGIONAL OPEN SPACE DISTRICT

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MATT W. WELD

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DATE

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AutoCAD SHX Text G:\Shared\Projects\23-084-Madona Creek Dam\CAD\23-084 SITE PLAN.dwg - 5/5/2025 4:50 PM

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BEST MANAGEMENT PRACTICES AND STAGING PLAN

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SCALE: 1" = 6'

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BEST MANAGEMENT PRACTICES, ACCESS, AND STAGING PLAN

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4 OF

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HWY 92

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MUDDY RD.

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MUDDY RD.

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ACCESS ROUTE

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N.T.S. (GOOGLE)

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ACCESS MAP

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PROJECT LOCATION

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File details come from the government source that posted it. Updated .