Manhole Construction and Installation

The contract pertains to the supply and installation of a single precast or cast-in-place manhole, encompassing all necessary site work and structural components including excavation, base preparation, assembly of the structure, and connection of inlet and outlet piping. The project requires full compliance with engineering standards for watertight sealing and proper backfilling to ensure long-term integrity and functionality of the wastewater or stormwater infrastructure. All work must be performed in accordance with applicable municipal and state regulations, with the contractor responsible for delivering materials and labor to complete the installation as specified. The solicitation, issued by the City of Columbia in South Carolina under NAICS code 238990, is classified as a subcontract and is open for responses until June 11, 2026. The work is to be performed at an undetermined location within the jurisdiction of the City of Columbia, with no set-aside provisions indicated. Interested parties must submit proposals prior to the deadline, and all terms related to quality control, timeline adherence, safety protocols, and regulatory compliance are implied as binding conditions of award. The project is part of broader infrastructure maintenance or expansion efforts by the city, and successful bidders are expected to demonstrate experience with similar utility structures and proven methods for durable, code-compliant installations.