Reinforced Concrete Box Culvert Installation

The contract calls for the installation of a 120-foot-long, 8-foot by 5-foot reinforced concrete box culvert, requiring full forming, rebar placement, concrete pouring, and proper curing procedures. The work must be executed to ensure structural integrity and long-term performance under environmental and hydrological loads. The culvert must be seamlessly integrated with the existing drainage infrastructure, necessitating precise alignment, junction detailing, and hydraulic continuity to maintain or enhance the efficiency of the current system. All activities must comply with applicable engineering standards and site-specific conditions to prevent settlement, erosion, or flow obstruction. This subcontract is awarded under NAICS code 238110 for site preparation and earthwork, and the performance location is in Fremont, California, under the oversight of the Alameda County Flood Control and Water Conservation District. The solicitation was posted on July 13, 2026, indicating a planned commencement in the near future, with no set-aside provisions specified. The project is part of broader flood control and water conservation efforts in the region, emphasizing infrastructure resilience and coordinated stormwater management. All work must be completed in a manner that minimizes disruption to adjacent properties and existing drainage flows.