SD-304_Standard_Manhole.pdf

This is a standard manhole specification document for the City of Hayward, California, detailing technical requirements for sewer manhole rehabilitation services. The document establishes construction standards and performance specifications that bidders must comply with when submitting proposals for the 2025-2026 Sewer Manhole Rehabilitation Project. The specifications cover manhole design, materials, installation procedures, and quality assurance measures required to ensure proper rehabilitation of existing sewer infrastructure. The document serves as a technical reference to guide contractors in understanding the City's expectations for workmanship, materials, and structural integrity during the rehabilitation process.

The specification document outlines detailed requirements for manhole components including frame and cover specifications, barrel construction standards, invert details, and connection protocols. It includes performance criteria for materials such as concrete strength ratings, waterproofing requirements, and durability standards applicable to the rehabilitation work. The document establishes the technical baseline that all bidders must meet or exceed, with compliance verification through inspection and testing procedures. Bidders should review these specifications in conjunction with the Request for Quote (RFQ) documents and submit electronic bids through the OpenGov Procurement portal at https://procurement.opengov.com/portal/hayward-ca following account registration.