Sign up to receive a text message or email when new bids are added!
Bid Number: EDA No. 07-79-07487
Bid Title: Mariposa County Roadway, Water, and Sewer Infrastructure Improvement Project
Category: Construction Services
Status: Closed



Mariposa County Public Works Department

Invites Bids for the

Mariposa County Roadway, Water, and Sewer Infrastructure Improvement Project

Phase 1 Sewer Improvements

EDA No. 07-79-07487


The County of Mariposa invites sealed bids for improvements to the Mariposa Public Utility District sewer collection system. 

The construction will require but not be limited to: furnishing and installing 8” Polyvinyl Chloride (PVC) pipe in open cut trench excavations; manholes; service laterals and cleanouts; site clearing, existing improvement, and utility protection; utility coordination; potholing; excavation; bypass pumping; removal and replacement of existing pipe and manholes; confined space entry; pipe, gaskets, and materials; pipe slope anchors; bedding; backfill; compaction; connections to existing sanitary sewer pipe, removal, and disposal of trench spoils; surface restoration, pipe testing, complete as specified and as indicated on drawings.


The project requires prevailing wage and DBE certification.


The DBE goal for this project is 19.8%


This project is subject to the "Buy America" provisions. A valid Class ‘A’ General Engineering Contractor is required. Engineers Estimate is $2,000,000.


Beginning of Advertisement:                                                       Thursday, February 23, 2023

Recommended Optional Project Proposal Meeting @ Public Works  10 am on March 14, 2023

Bid Proposals must be received by:                                       2 pm on Friday, March 24, 2023

Notice to Bidders and Special Provisions                        Technical questions should be directed to:

may be acquired at the following address:                      Department of Public Works

County of Mariposa                                                      4639 Ben Hur Road

Public Works Department, 4639 Ben Hur Road               Attention:   Matt Hespenheide

Mariposa, California 95338                                            


Mariposa Sewer Plans

Mariposa Sewer Project - Specs

Addendum 1

Publication Date/Time:
2/22/2023 11:00 AM
Closing Date/Time:
3/24/2023 2:00 PM

Return To Main Bid Postings Page