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Trenchless Point Repair – Booneville Sectional Repairs

Summary

During performance of a 2T State Rule annual CCTV inspection and root cutting/heavy cleaning for the Town of Booneville, NC, EWSG’s KRG Inspection and Cleaning division uncovered a significant number of sectional point repairs needed in 15,000 feet of the Town’s gravity sewer main.

Problem

Upon completion of cleaning/CCTV project, KRG shared inspection video and photos of the deteriorating pipeline sections with the Town of Booneville. KRG was awarded its bid to perform about 100 sectional repairs, totaling 400 linear feet of 8-10 inch line.

Solution

KRG Utility CCTV provided the Town of Booneville with a proposal for corrective actions for 100 sectional repairs of their sewer collection system. KRG’s proposal was awarded for a 4- member crew to correct Inflow & Infiltration (I/I) issues within the Town’s collection system piping infrastructure.

The crew employed an air bladder, air compressor, and rope to apply a Source 1 patch kit to these pipes. These patches are 48 inches long, so a total of 400 linear feet of patches were applied to 100 sectional repairs.

KRG project managers estimated 34 days @ 3 sectionals per day, with a 7-week completion period. This allowed for pre-timing for the epoxy, layout of the sectional liners to measure mark points, and cleaning of the line before patch application.

Result

KRG Utility completed all sectional point repairs for the Town of Booneville within the projected deadline, within a budget of $350,000 plus 20% subcontractor markup. All I/I intrusions were eliminated, and the Town of Booneville remained in compliance with State 2T Sanitary Maintenance Regulations. Booneville now has a continued contract for its sewer collection system inspection, cleaning and repair projects with KRG Utility Inc.

Project Details

Booneville Sectional Repairs

Client

Town of Booneville

Location

Booneville, NC

Installer

KRG Utility CCTV

Material used

Source 1 patch kit

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