Professional Design Services for 1st Avenue- River Road to Grant Road.

The City of Tucson has awarded a contract to HDR Engineering, Inc. for professional design services for the 1st Avenue- River Road to Grant Road project. The contract involves the development of a Design Concept Report (DCR) for roadway and drainage improvements, including the replacement of the existing 1st Avenue bridge over the Rillito River. The project scope includes data gathering, survey and right-of-way tasks, and design survey. The contract has a duration of 18 months and involves various subconsultants. The key aspects of the contract include the development of a DCR, reconstruction of the 3-mile corridor, and inclusion of on-site storm drain and off-site cross-drainage improvements. • The project involves the development of a DCR for the 1st Avenue corridor. • The contract includes the replacement of the existing 1st Avenue bridge over the Rillito River. • The project scope involves data gathering, survey and right-of-way tasks, and design survey. • The contract has a duration of 18 months. • The contract involves various subconsultants, including Kittelson & Associates, Inc. and EPS Group, Inc. • The project includes reconstruction of the 3-mile corridor as a modernized four-lane median-separated roadway. • The contract includes on-site storm drain and off-site cross-drainage improvements. • The project involves the development of a right-of-way reference file and the creation of a 3D MicroStation annotated survey file.