100821 - Precast Segmental Reinforced Concrete Box Culvert for Schmeltzer Road

The work to be done under this contract consists of the manufacturing, storing, and delivering of one Precast Split Reinforced Concrete Box Culvert for the Schmeltzer Road Culvert Replacement project in Washington County, Oregon. The culvert must be 12' x 6' x 66' in size, with tongue and groove joints, mastic, butyl sealant, and foam gaskets. The culvert must be designed for a burial depth of less than 2 feet and must be ready for delivery prior to August 3, 2026. The contractor will also be responsible for shop assembly of adjacent full sections for Washington County inspection prior to shipping and coordinating delivery of culvert sections with the County's roadway contractor. Some key points to consider: • The culvert must meet the requirements of the 2024 ODOT Standard Specification 00595, ASTM C1786, and AASHTO LRFD Bridge Design Specifications - 10th edition. • The contractor must provide shiplap joints for base connections and between slab tops and bases, including mastic, butyl sealant, and foam gaskets. • The contractor must provide structural connections at joints between slab top sections using welding plates. • The manufacturer or fabricator must furnish shop drawings for approval prior to fabrication of materials.