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Combined Sewer and Sanitary Sewer Rehabilitation

Indianapolis

Wessler provided a broad and deep set of engineering services for the rehabilitation of the combined sewer and sanitary sewer infrastructure for Citizens Energy Group (CEG). The range of services included: project planning and scoping, design, construction administration and resident project representative (RPR) services. In addition, Wessler performed field inspections and review of closed-circuit television (CCTV) information with CEG and its contractors to determine project rehabilitation scope and methods, constructability issues and requirements, including bypass pumping and maintenance of traffic considerations.

Wessler prepared construction manuals, including specifications, scope of work exhibits and schedules. Included in the services were running progress meetings, pay claim review, work directive and change order preparation, review of submittals including materials, liner thickness calculations, and related shop drawings, preparation of as-built drawings, review of test results, project closeout, and warranty inspections.

Wessler also assisted with public and regulatory coordination, utility surveys and identification of construction conflicts.

The scope of the rehabilitation projects included: cured-in-place piping (CIPP); custom CIPP liners (inverted teardrops, horseshoe-shaped, requiring WRc method design); inverted siphon lining with CIPP; shotcrete (complete sewers); invert repair with shotcrete; fold-and-form pipe; sewer point repairs and replacement; manhole replacement; manhole rehabilitation (lining, chimney reconstruction); and sewer lateral lining.

Wessler also assisted CEG with the updating of their sewer rehabilitation construction specifications and preparing project process checklists for everything from project scoping to construction inspection to project closeout.

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Joseph Bartos, P.E.

Wastewater Collection Assistant Group Head

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