City of Defiance - Siphon Cleaning and CCTV Inspection Program RFP

Description: Provide cleaning and CCTV inspection of three existing sanitary sewer river siphons within, totaling approx 3,780 LF of pipe. The work includes cleaning and of all siphon barrels, ranging from 8" to 30", including temporary pumping and flow control necessary to complete the work. The siphons are as follows: Siphon 1: approx 450 LF of 12" pipe and approx 450 LF of 20" pipe. Siphon 2: approx 400 LF of 10" pipe, approx 400 LF of 20" pipe, and approx 400 LF of 30" pipe. Siphon 3: approx 410 LF of 8" pipe, approx 410 LF of 12" pipe, and approx 410 LF of 20" pipe. The work also includes raising one (1) existing manhole to finished grade.