The scheduled work for the 2025 CIPP Lining of Sewer Interceptors Project consists of pipeline cleaning followed by cure-in-place pipe (CIPP) lining of large diameter sewers and interceptors on various residential and arterial streets and cross-country easements in Nashua. The Project includes clearing of easement areas for access; traffic management; cleaning and installation of approximately 3,050 linear feet of manhole-to-manhole CIPP preliner within existing 18- to 30-inch diameter sanitary sewers; cleaning and installation of approximately 6,320 linear feet of manhole-to-manhole CIPP liner within existing 16- to 30-inch diameter sanitary sewers; perform testing of CIPP and correct all failures and/or leaks; restoration of pavement surfaces, curbing, utilities, retaining walls, granite walls, shrubbery, grass, posts, signs, etc. disturbed by project activities; maintaining sewage flows during all construction activities; maintaining sedimentation and erosion control measures during construction; and a one year warranty CCTV inspection of the lined pipe.
