Opening of Bids - Hibberd Plaza and Streetscape Proj No 117-063R - R. Yoder Construction, Inc.

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ADDENDUM NO.3 To the Contract Document and Project Specifications for the HIBBERD PLAZA AND STREETSCAPE (117-063R) CITY DE SOUTH BEND, INDIANA Date: EEBRUARY 26, 201 S EXHIBIT A 4-3.11 CIPP -3,11 a NO TIFICA TION A ND PREPARATION 1.) AlI residents affected by CIPP activities shall be notified in writing at least 24 hours prior to any service disruption affecting their service connection. Maintenance of service usage shall be provided throughout the duration of the project. 2.) Cleaning, video inspection and recording, and inspection of existing sewer shall be conducted prior to installation of the CIPP. Remove all debris, solids, roots, and other deposits from within the pipe that will interfere with the installation of the CIPP. Provide a dumpsite for such debris removed during the cleaning operations. Any damage done to the sewer pipe during cleaning or installation operations shall be the responsibility of the party performing such work. 3.) The City Engineer shall be notified of line obstructions, offset joints, collapsed pipe, or any other condition that will prevent the insertion of the tube or significantly reduce the capacity of the sewer. 4.) Protruding laterals or services (if found) shall be trimmed flush with the inside of the main sewer wall prior to lining. Trimming shall not cause damage to the lateral or service beyond the inside face of the twain sewer. 5.) A maintenance of traffic plan shall be submitted to the City Engineer for review and approval 72 hours before the commencement of CIPP work. 4-3.11 (6) TELEVISIONINSPECTION 1.) Provide television equipment capable of properly documenting the conditions as found within the pipe in a digital video format (DVD). Lighting for the camera shall illuminate the entire periphery of the sewer. The camera shall be radial view type capable of viewing 3601 within the pipe and shall provide an unobstructed view of the full pipe. 2.) The video inspection shall begin with a clear identification of the televising location, upstream and downstream manhole designation, and pipe diameter, The DVDs shall provide an accurate length measurement of the entire segment and of the distance to each lateral connection. Pan all lateral connections on both the pre- and post -televising recording. 3.) Reverse televising set-ups shall be utilized when line obstructions prevent full segment televising from the initial set-up direction. 4.) Both a pre -lining and post -lining DVD shall be submitted to the City Engineer for approval. The DVDs shall be clearly and properly labeled. Inspection for individual sewer segments (manhole to manhole) shall be boolanarked. Pre -lining and Post -lining DVDs and inspection reports shall be submitted to the City Engineer within seven (7) days of inspection.