Greg Gress, manager of sewer and water for Sullivan’s Island, S.C., just completed the community’s CMOM self-assessment of its collection system. The condition assessment clearly indicated 90% of Sullivan’s Island problem was infiltration and inflow (I/I)
The birth of a specification guideline begins with a need. It is born from a process of collaboration and consensus among multi-disciplined stakeholders. After two years, the first suggested standard specification on grouting was born.
The focus of the paper is to show the step-by-step progression of a private property I&I reduction program in the City of Wauwatosa. The project included soaker hose rain event simulation, lateral lining and chemical grouting.
There have been many debates regarding the long term effectiveness of a sewer grouting approach. ARCADIS selected 12 sewer segments that had been grouted under various sewer rehab projects for which detailed records of testing and grouting were collected.