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Unofficial Notice of Invitation to Bid (NIB)

Midway City Sanitary District is seeking bids from qualified and interested contractors for the following project titled, Springdale Street and Westminster Boulevard Sewer Manhole Installations Project, identified under Solicitation ID: S2025-01. Work is to be performed near 14451 Cedarwood St, Westminster, CA 92683, USA in Orange County.

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General Project Description

This project involves the construction of two (2) new sewer manholes over existing sewers at the intersection of Westminster Boulevard and Springdale Street. The scope includes the removal of conflicting existing 8-inch VCP sewer pipe and the construction of two (2) 48-inch diameter PVC-lined manholes. Key requirements include protecting existing utilities, coordinating with utility owners, shoring, dewatering, maintaining existing sewer flows during construction, traffic control (including traffic loop detector replacement and raised pavement marker installation), pavement resurfacing, and slurry seal application. The project also entails various base bid items for mobilization, site investigation, safety measures, spoil disposal, and trench bedding.

General Bid Items

  • Quantity: 1  Unit: LS  Work Item: Mobilization and Demobilization
  • Quantity: 1  Unit: LS  Work Item: Construction Traffic Control
  • Quantity: 1  Unit: LS  Work Item: Conduct Geotechnical Investigation
  • Quantity: 5  Unit: EA  Work Item: Potholing of Utilities and Preparation of the Potholing Report
  • Quantity: 1  Unit: LS  Work Item: Provide shoring design
  • Quantity: 1  Unit: LS  Work Item: Provide and implement Trench and Excavation Safety Measures
  • Quantity: 1  Unit: LS  Work Item: Maintaining and Temporary Handling of Sewer Flows
  • Quantity: 5  Unit: TON  Work Item: Permitting, Removal, Transport, Treatment and/or Disposal of Contaminated Soil
  • Quantity: 20  Unit: TON  Work Item: Additional Over-Excavation and Placement of ¾” Crushed Rock Bedding Material Wrapped in Filter Fabric
  • Quantity: 1  Unit: LS  Work Item: Provide dewatering design
  • Quantity: 1  Unit: LS  Work Item: Implement Dewatering 24 hours per Day and 7 days per Week
  • Quantity: 2  Unit: EA  Work Item: Construct and Install the Project Sign
  • Quantity: 1  Unit: LS  Work Item: Document Pre-Construction conditions
  • Quantity: 1  Unit: LS  Work Item: Allowance for field changes
  • Quantity: 2  Unit: EA  Work Item: Remove and Dispose of existing conflicting sewer and Construct PVC-Lined 4-foot diameter Sewer Manhole
  • Quantity: 1  Unit: LS  Work Item: Backfill with 1.5-Sack Cement per Cubic Yard of Sand Slurry
  • Quantity: 190  Unit: SF  Work Item: Remove and Reconstruct Street Concrete Cross Gutter
  • Quantity: 6306  Unit: SF  Work Item: Reconstruct and Resurface Street Pavement

NAICS Classification

NAICS 237110 – Water and Sewer Line and Related Structures Construction (Construction of new sewer manholes, removal of existing sewer lines, maintenance of sewer flows), NAICS 237310 – Highway, Street, and Bridge Construction (Pavement resurfacing, slurry seal, traffic restriping, pavement markings, traffic loop detector installation), NAICS 238910 – Site Preparation Contractors (Clearing and grubbing, excavation, shoring, dewatering, backfill, contaminated soil removal and disposal), NAICS 238990 – All Other Specialty Trade Contractors (Traffic control implementation, geotechnical investigation, potholing of utilities, project sign installation)

Records and Due Date

This bid opportunity was entered into BidAmerica on November 25, 2025, and was last updated on January 9, 2026. All bids and/or proposals are due on January 20, 2026.

Contractors may log in or create a free BidAmerica account to view full project documents, plans, specifications, addenda, submission requirements, and more project details issued by Midway City Sanitary District.

Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by Midway City Sanitary District. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from Midway City Sanitary District prior to bidding.

Springdale Street and Westminster Boulevard Sewer Manhole Installations Project - Bid Opportunity | BidAmerica