Agmt14 Professional Pipe Services

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The CONTRACTOR shall remove all sludge, dirt, sand, rocks, roots, grease and other solid or semisolid material resulting from the cleaning operation at the downstream manhole of the section being cleaned. Procedure for removing roots may include the use of inechanical equipment such as rodding machines and bucket machines using root cutters and porcupines. Passing material from manhole section to manhole section which could cause line stoppages, accumulations of sand in wet wells, or damage pumping equipment, shall not be permitted. Chemical root treatment shall not be used by the CONTRACTOR. The CONTRACTOR shall dispose all solids or semisolids resulting from the cleaning operations from the site at a suitably sanitary landfill site as defined by the Titles 22 and 23 of the California Administrative Code. Under no circumstances will the CONTRACTOR will be allowed to accumulate debris on the site. The Contractor will be allowed to store a debris container in the City Public Works Services Division corporation yard. The removal and disposal of solids shall be included in the agreed cost. If the CONTRACTOR encounters a surcharging manhole (flow exceeds the diameter of the sewer pipe), the CONTRACTOR shall immediately notify the City Public Works Services Division at (650-780-7464) and provide information on the cause of the blockage. The CONTRACTOR shall prevent contract operations from causing a stoppage or overflow. In the event of a stoppage or overflow, the CONTRACTOR shall immediately notify the City Public Works Services Division at(650-780-7464). The CONTRACTOR shall remove the stoppage and contain and mitigate the overflow. OverFlows shall be mitigated to the City's standards including property damage overflows that shall require cleaning and restoration. All costs for damages occasioned by the overflow are the responsibility of the CONTRACTOR. All water used in conjunction with the cleaning operations shall be metered and paid for by the Contractor. Contractor shall pay an $800 deposit to Cash Collections at City Hall, 1017 Middlefield Road for the construction meter; monthly service charge will be $270.29, in addition to the actual water usage. The receipt of payment shall be taken to the City's CDD / Public Works Services Division, 1400 Broadway, Redwood City,to pick up the water meter. CCTV Inspection Within 24 hours of cleaning the line, CONTRACTOR shall thoroughly inspect the sewer lines using CCTV equipment and WinCan version 8.30.0.2090 inspection software. The CCTV camera and monitor shall produce a minimum of 460 horizontal lines of resolution. The CCTV camera shall be a pan-and-tilt with rotating head capable of providing a 360-degree view of the inside of all pipes, connections, and any pipe defects. Video recording shall be done digitally in full color in order to provide the utmost quality viewing. Images will be in focus and done with adequate lighting to provide a clear view of the entire periphery of the line including any defects while keeping glare to a minimum. The image shall not be obscured by fogging or misting conditions when in a sewer line. The color camera shall be operative under 100 percent humidity conditions in the sewer. The center of the camera lens shall be at or above the spring line of the sewer being televised. The camera and ancillary equipment shall not block the sewage flow at any time. In cases where it will not be possible to remove a trapped camera by excavation of a sewer line, a tag line shall be attached to each end of the camera to allow the camera to be pulled out from either end. If the camera gets stuck in the sewer pipeline, the CONTRACTOR shall be responsible for all costs involved in extracting it, and shall extract the equipment in a timely manner in order to avoid interruption to sewer flow. The CONTRACTOR shall call the Community Development Department Engineering and Transportation Division at(650)780-7328 to notify of the situation. Lighting and camera quality shall be suitable to allow a clear in-focus picture for a minimum of six lineal feet of the entire inside periphery of the sewer pipe. To ensure peak picture quality throughout all conditions encountered during the survey, a variable intensity control of the camera lights and remote control adjustments for focus and iris shall be located at the monitoring station. Focal distance shall be adjustable through a range of from six inches to infinity. Continuously displayed on the monitors as part of the video presentation and digital database image capture system shall be the date of the survey, ATTY/AGR/2014.047/PROFESSIONAL PIPE SERVICES REV:04-10-14 VR Page 7 of 11