ITB-EF-1607 - Internal Inspection of a Portion of the North Yonkers Trunk Sewer

Summary of Specifications:
The Contractor shall perform a heavy cleaning to restore flow capacity of the heavily silted 39 inch diameter North Yonkers Section A Trunk Sewer. The approximate length of the sewer section to be cleaned is 800 linear feet of 39” trunk sewer and five (5) associated sewer manholes. An additional 20 linear feet of 16” diameter connecting sewer and one (1) manhole in Station Plaza and Palisade Street shall also be cleaned. Upon completion of cleaning, the Contractor shall perform a post cleaning internal closed circuit television inspection (CCTV) and sonar inspection to verify the completion of cleaning and to inspect the cleaned lines for defects. The televising shall be done one sewer line section (manhole to manhole) at a time.