Marys River Water Main Crossings, Project No. 657328

The City of Corvallis, Engineering Division, is seeking bids for the construction of two large-diameter water mains, one approximately 725 feet of 36-inch ductile iron/42-inch diameter HDPE pipe, and the other approximately 2900 feet of 24-inch diameter ductile iron pipe and 1200 feet of 30/32-inch diameter HDPE. The work includes demolition, mobilization, clearing, and grubbing, as well as the installation of pipelines, valves, and other appurtenances. The engineering estimate for the project is $3,060,000. The contract was awarded to four vendors: Tapani, Inc., Emery & Sons Const, Group, LLC, K&E Excavating, Inc., and North Santiam Paving Co. The contract values for each vendor are $3,477,853.00, $3,573,032.00, $4,206,483.00, and $4,307,329.00 respectively. Some of the key features of the project include: • Demolition of existing pipes and structures • Installation of new pipelines and appurtenances • Horizontal directional drilling (HDD) for the installation of HDPE pipes • Restoration of affected areas, including asphalt, concrete, and landscaping • Traffic control and signage during construction The project is subject to ORS 279C.800 to 279C.870, which governs public works contracts in Oregon. The contractor performing the HDD work must be pre-qualified, and bids will only be received from contractors that are pre-qualified or contractors using a pre-qualified subcontractor.