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Gravity Sewer installation of approximately 2,430 LF of 42″ and 4,400 LF of 36″; 42 manholes; 6,830 LF of CCTV Post Construction Inspection; 1,100 LF of 21″ steam cured CIPP sewer, excavate 180 VF microtunnel boring machine launch shafts including backfill and compaction; 1,515 LF of 60″ Permalok steel casing including grout to fill annular space between carrier pipe and casing and 910 LF of 54″ steel casing.

Previously-Approved-Photo Dec 15, 7 53 22 AM
Previously-Approved-Photo Feb 22, 11 52 25 AM
Previously-Approved-Photo Mar 11, 3 10 31 PM
Previously-Approved-Photo May 21, 9 37 27 AM
Previously-Approved-Photo Mar 23, 1 11 56 PM
Previously-Approved-Photo Dec 15, 7 53 22 AM Previously-Approved-Photo Feb 22, 11 52 25 AM Previously-Approved-Photo Mar 11, 3 10 31 PM Previously-Approved-Photo May 21, 9 37 27 AM Previously-Approved-Photo Mar 23, 1 11 56 PM

Project Information

Project Number:

Project Category: Underground Utilities, Tunneling

City / State: Columbia, SC

Final Contract Amount: $22,272,048.00

Start Date: July, 2020

Owner: City of Columbia

Engineer: Hussey Gay Bell & DeYoung, Inc.