The Macon Water Authority

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CIP focusing on sewer system rehab

Nov 1, 2013 by Dr. Chris Wood

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Contractors from John R. Walker, Inc. conduct an open cut replacement of small diameter sewer main in the Echeconnee basin.

The MWA Board of Directors recently awarded bids on two major sewer system repair and rehabilitation projects, reflecting an investment of more than $5 million by the utility in its capital improvement plan (CIP) that includes these most recent upgrades to its infrastructure.

The Authority Board awarded the low bid for the first project – the Echeconnee Force Main Repair – to John R. Walker, Inc. This project consists of replacing approximately 6,845 linear feet of 16-inch ductile iron force main with new 16-inch PVC pipe. The good news is the low bid for this work is more than $82,000 below the $750,000 budget. The even better news is the majority of the Echeconnee Force Main – more than 25,000 linear feet, in fact – is in good condition and not in need of repair.

The Sanitary Sewer Rehabilitation project within the Tobesofkee basin, which is larger in scope than the Echeconnee project, includes the rehabilitation – by cured-in-place pipe (CIPP) lining – of approximately 29,400 linear feet, as well as 160 point repairs, of 6-inch, 8-inch, 10-inch, and 12-inch diameter sewer mains. In addition, 735 linear feet of force mains will be repaired using pipe bursting technology, while another 2,000 linear feet will be replaced by open cuts. Included in this project is the cleaning of 21,000 linear feet of sewer lines and the rehabilitation of approximately 4,200 vertical feet of manholes.

The Authority Board awarded the Tobesofkee rehab project to Layne Inliner, LLC for the low bid of approximately $3.1 million, which covers the cost of the first of two phases of work. Still to come is another $2 million worth of rehab on larger diameter sewer mains – those 24-inch to 30-inch in size – within this basin.

In order to determine the condition of sewer mains within the Echeconnee and Tobesofkee basins prior to issuing requests for bids on the respective repair and rehab projects, the MWA contracted with Compliance EnviroSystems (CES) to conduct smoke testing and other methods of inspection for the system. This conditional assessment was completed last year, following two years of review, research, and data gathering.

Media contact:
Chris Wood, Ph.D.
770-757-1681 (phone)
jcwood@uga.edu (email)

Tagged: macon water authority, mwa, macon georgia, mwa capital improvements, mwa sewer rehab, john r walker, inc, layne inliner, llc

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