CCTV TOE drain inspection - b. Everett jordan DAM

The U.S. Army Corps of Engineers, Wilmington District requires a contract to perform a closed-circuit television (CCTV) inspection of the entire toe drain system and outfall drains at B. Everett Jordan Dam (BEJ Dam).

The toe drain system for BEJ Dam consists of 6 manholes, 4 outfalls, and approximately 800 feet of 12-inch inner diameter concrete pipe. The entire portion of the pipe system, both upstream and downstream portions of the pipes associated with the manhole, should be video inspected a Remote Operated Vehicle (ROV) meeting the requirements outlined in the Performance Work Statement (PWS). If a blockage is encountered when surveying the pipes, the contractor shall survey the pipe from the other manhole associated with the pipe in order to determine the length of the blockage.

The ROV shall be able to provide the horizontal and vertical distance traveled through the pipe. The horizontal distance traveled by the ROV shall be recorded and displayed on the video inspection. For each segment of pipe, the vertical and horizontal distance of the ROV shall be represented with a graph and be provided in the Report of Findings. The direction of travel, upstream or downstream, and the manhole name shall be provided for each graph. Information obtained from the inspection shall include horizontal and vertical control that is synchronized with the color video. The precision of the control shall be within 0.1 feet horizontally and 0.1 feet vertically. The video inspection equipment shall be capable of panning/ tilting 360 degrees. The contractor shall pan around the connection of the invert of the pipe and at any noticeable joints and connection throughout the pipe. The video for the ROV shall have a resolution of 1080p.

Standing water is expected to be encountered during the video inspections and the ROV will likely be fully submerged in water in some areas, during the video inspection. As a result, the ROV shall be able to travel when the pipe is dry, partially full of water, and completely full of water.

The Contractor shall provide a Report of Findings detailing the inspection and findings.

The North American Industry Classification System (NAICS) code is 541990 – All Other Professional, Scientific, and Technical Services and the size standard is $19,500,000.00.

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All questions are due vial email to both troy.d.small@usace.army.mil and diana.d.curl@usace.army.mil by 4PM EDT on 11 April 2023.