Installation of new 120'x15" tile at US-59 & Station 494+51 - RP 208.32 (Osceola County)

The Iowa Department of Transportation is seeking bids for the installation of a new 120'x15" tile at US-59 & Station 494+51 - RP 208.32 in Osceola County. The project involves trenchless construction and open trench construction. The contractor will be responsible for supplying all labor, materials, and equipment to install the tile crossing. The project requires traffic control, and the contractor must comply with the Iowa DOT's Standard Specifications for Highway and Bridge Construction. • The project involves installing 120 feet of 15" diameter tile across highway US 59 and Station 494+51 (RP 208.32). • The section of tile crossing under the highway from toe of foreslope to toe of foreslope shall be installed via trenchless construction. • The balance of the crossing may be installed via open trench construction using like materials as the trenchless construction. • The contractor shall connect the new tile crossing to the existing tile per Iowa DOT Standard Road Plan DR-122. • The installation of inspection access will be completed per Standard Road Plan DR-302. • Materials shall meet one of the following requirements: Section 2553.02 A.2.b. Restrained Joint Ductile Iron Pipe or Restrained Joint PVC Pipe, or Section 2553.02 B. Casing Pipe with a minimum wall thickness of 0.375 inches.