1991-01-14 Regular Meeting - Laserfiche WebLink

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• period any defects which will affect the integrity or strength of the CIPP shall be repaired at the Contractor's expense in a manner mutually agreed to by the City and the Contractor. i. Sealing at Manholes: If the CIPP fails to make a tight seal at a manhole, the Contractor shall apply a seal at that point. The seal shall be of a material compatible with the CIPP material. j. Service Connections: After the CIPP has been cured in place, the Contractor shall reopen the existing active service connections as designated by the City's Authorized Representative. This shall generally be done without excavation, and in the case of non-man entry pipe, from the interior of the pipeline by means of a television camera and a cutting device that re-establishes the sen~ice connection to not less than 90% capacity. Cutting devices that use high pressure water shall not be used since they may cause damage to the lateral. V1,'hen fiberglass or other reinforcing fibers are used, that may cause wicking at lateral openings, the lateral opening edges must be sealed with a resin mixture compatible with the tube resin. k. Testin The watertightness of the CIPP shall be gauged b~ monitoring the water evel in the inversion tube while curing. The water testing must be done directly on the finished product and not on an intermediary hose which is not part of the final product. For each installation the Contractor shall submit testing results on a sample of cured liner. The sample shall be taken at termination point opposite the liner entry point. The testing shall be accomplished by a laboratory approved by the Engineer. 1. Clean-uo: Upon acceptance of the installation work and testing, the Contractor shallshall eirestate the project area affected by his operations. m. Patents: The inversion process is patented and is installed by licensed Contractors. The Contractor shall warrant to the City and his Engineer that the methods, materials and equipment used herein, where covered by license are furnished in accordance with such license and the prices included in this proposal include applicable royalties and fees in accordance with such license. The Contractor shall warrant and save harmless the City and his Engineer against all claims for patent infringement and any loss thereof. 3. Measurement: The work will be measured by the actual length of each line section reconstructed. Service reconnections shall be measured by the actual number of reconnections made irrespective of pike size or whether the service is for single, double, or multi service. Only those line sections included on a work order issued by the City's Authorized Representative shall be considered for measurement. 4. Payment: Payment for the work completed shall be in accordance with the prices set forth in the proposal for the linear foot quantity as measured from center-of-manhole to center-of-manhole on a reconstructed sewer pipe section. a. Initial (first time) cleaning and television inspection work, if required, shall be accomplished as specified by the "Cleaning" and "Television Inspection" Specifications. Payment shall be in addition to that for installation of CIPP.