100315_13_Willow_Creek_Culvert_Details.pdf

This is a technical details document for the Willow Creek Culvert project, part of the NW Walker Road (185th Ave to 173rd Ave) improvement initiative in Oregon. The document provides engineering specifications and design details for a precast three-sided arch structure culvert that will be manufactured and delivered to the project site. The culvert specifications include dimensional requirements, material composition standards, and construction details necessary for the arch structure installation. The document serves as the technical reference for bidders submitting proposals for the manufacture, storage, and delivery of this precast concrete component as outlined in contract opportunity 100315.

The technical specifications establish the engineering requirements and performance standards that the manufactured culvert must meet prior to delivery. These details are essential for bidders to accurately quote manufacturing costs and delivery logistics for the precast arch structure. The specifications ensure all submitted bids will be based on identical product requirements and quality standards, allowing for competitive evaluation of proposals on pricing and delivery terms.