Agmt15 Professional Pipe Services

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CONTRACTOR shall use a root cutting noule to remove all debris. The root cutting noule shall revolve 360 degrees, be capable of cleaning at 6"-12"lines,and operate at 80 gallons per minute at a pressure of 3,000 pounds per square nch. Disbdged roots shall be captured and removed from the line either bythe vacuum or a basket. 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 nclude 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 Califomia 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 S e r v i c e s Department corporation yard. The removal and disposal of sol'ds shall be ncluded'nthe agreed cost. F the CONTRACTOR encounters a surcharging manhole (flow exceeds the diameter of the sewer pipe), the CONTRACTOR shall i�nmediately notify the City Public Works Services DeCxarhnent at{650-780-7464)and provide information on the cause ofthe blockage. The CONTRACTOR shall prevent contract operations from causing a stoppage or overflow. h the event of a stoppage or overflow, the CONTRACTOR shall inmediately notify the C�y Public Works Services Department 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 ncluding 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 'n 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 Rvad for the construction meter; monthly service charge will be$392.04 in addition to the actual water usage. The receipt of payment shall be taken to the C�y's Public Works Services Department, 1400 Broadway, Redwood City, to pick up the water meter. Prior to final inspection, return meter to Public Works Services Department, who will read the meter and prepare billing for water usage. Lost or damaged meters will require forfeiture of deposits plus cost of ineter replacement. CCN hspection W�hin 24 hours of cleaning the line, CONTRACTOR shall thoroughly nspect the sewer lines using CCN equipment and WinCan version 8.30.0.2090 inspection software. The CCN camera and monitor shall produce a minimum of 460 horizontal lines of resolution. The CCN camera shall be a pan-and-tift with rotating head capable of providing a 360-degree view of the i►side of all pipes, connections, and any pipe defects. Video recording shall be done digitally n full cobr n order to provide the utmost qualty viewing. Mages will be n focus and done with adequate ighting to provide a clear view of the entire periphery of the line ncluding any defects while keeping glare to a minimum. The rnage shall not be obscured by fogging or misting conditions when n 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 ine of the sewer being televised. The camera and ancillary equipment shall not block the sewage flow at any time. In cases where itwill 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. f the camera gets stuck in the sewer pipeline, the CONTRACTOR shall be responsible for all costs involved 'n extracting �,and shall extract the equipment n a timely manner n order to avoid 'nterruption to sewer flow. The REV:05-22-15 Page 7 of 12 ATTY/AGR.2015.102/Professional Pipe Services