Laserfiche WebLink
(vV <br />West Coast Ston»,Inc. <br />Storm IMater and Environmental Sohrtions <br />County of Orange, OC Public Works <br />Automatic Retractable Screen Excluders, Connector Pipe Screen Full Capture Trash <br />Systems, and Catch Basin Inserts <br />RFP# 080-591792 <br />West Coast Storm Screen <br />Automatic Retractable Screen <br />Equipment Design and Specification Report <br />(Information provided to the City as requested in the RFQ documents under <br />Altachment A. Scope of Work) <br />Materials. The West Coast Storm Screen ARS device meets the following requirements: <br />1) The ARS device is fabricated from 5-304 stainless steel. The structural members have a <br />minimum thickness of 3/16 inches. <br />2) All 5-304 structural shall be welded by a certified welder. <br />3) The ARS device is constructed of 12 gauge 5-304 stainless steel except for the inner sail <br />which is 20 gauge 5-304 stainless steel. <br />4) All mounting hardware, bolts, screws, anchors, nuts, and washers are comprised of 5-304 <br />stainless steel. <br />5) Main Gear (locking mechanism) is integrated in the device. The locking mechanism is <br />isolated from the storm drain and debris. A built in 0.50 inch gap between the main <br />screen and ARS ends also insures the mechanism isolation. <br />Flow or Range of Flows. The West Coast Storm screen is an approved automatic retractable <br />screen device passing certain testing and specifications set forth by the City and County of <br />Los Angeles. The West Coast Storm Screen is designed, fabricated, and installed according <br />to the County of Los Angeles specifications and is an approved device by the County of Los <br />Angeles Department of Public Works Design Division specifications, "When in the open <br />position, the ARS must not reduce the hydraulic capacity of the catch basin by more than <br />10% over the mid and high flow range of the catch basin." <br />The West Coast Storm Screen is also an approved device by the San Francisco Bay Regional <br />Water Quality Control Board. <br />Estimated Design Life. 25 years. <br />Page 31 of 45 <br />654 South Lincoln Avenue, San Bernardino, CA 92408 — Telephone 909.890.5700 Facsimile 909.890.5988 <br />California General A/HAZ Contractor License Number: 888152 <br />