HOUSTON & HARRIS, PCS, INC. - Laserfiche WebLink

Home Browse Search

CITY OF SANTA ANA RFP NO.: 24-003 CLOSED CIRCUIT TELEVISION (CCTV) INSPECTION OF SANITARY SEWERS 2. The Contractor shall use equipment specially designed and constructed for sewer inspection and video recording. The camera must have light sources of suitable illumination output to provide a clear picture of the entire periphery of pipe. The camera must be able to be rotated to a position that will assure that the total periphery of the sewer is in focus at all times, regardless of the diameter of the pipe being inspected. The camera, transport system, and other components of the video system shall be capable of producing a picture adequate for the purposes of the inspection as stated herein. The adequacy of the proposed equipment, resulting video and the assessment logs shall be demonstrated to the City, if so requested, prior to award of contract. The cost of such demonstration shall be borne by the Contractor. 3. A cable footage counter, accurate to within one (1) foot in 1000 feet, shall be used and shall be indicated on the monitor and recorded on the video. The date of inspection, continuous forward and reverse readout of camera distance from referenced access hole, the upstream and downstream manhole with an arrow indicating flow direction (or the database number, run number and direction of flow), the size of the pipe, the name of the street, the iWaterlD, the time of day and the project or location name as supplied by the City shall be displayed continuously on the monitor and recorded on the video. The color of the overlay information shall be adjusted so that it remains legible throughout the run. The footage relative to the center of the manhole at the start of each run shall be set to accurately reflect a center of manhole starting position of 0.00 feet regardless of where along the pipe and at what footage the run begins. Every sewer main assessment shall begin with a view of the open manhole and shall proceed uninterrupted in the downstream direction with the insertion of the camera into the manhole with the subsequent sewer main assessment. Recording of video against the flow or passing through interim manholes will only be allowed with prior approval of the City or when it can be shown that conditions made it unfeasible to lift an interim manhole cover or to record with the flow. CCTV inspection, monitoring and recording shall only be performed by technicians that are NASSCO certified with a minimum of two years prior experience. The Contractor shall furnish qualification details and sample video for each technician so that their involvement in the project can be approved by the City prior to the commencement of work. The use of a video technician not approved by the City will be considered sufficient cause for the rejection of any related work and any costs associated with re - inspecting shall be at the consultant's expense. During inspection, the operating technician shall, along with an audio record of conditions, log a computerized assessment of the recorded sewer. This assessment shall include the location of all laterals, indicated infiltration, cracks, deflected joints, collapsed sections, ex -filtration, misalignment, roots, deposits, and other conditions or data pertinent to the physical condition of the sewer. 7. Through the use of the infraMAP® software the Contractor will have access to the complete sewer system maps and data including but not limited to: manhole ID numbers, sewer main ID numbers, street names and sewer main attributes. The City, City of Santa Ana RFP 24-003 Closed Circuit Television (CCTV) Inspection of Sanitary Sewers Page 16