Laserfiche WebLink
P <br />West Coast vV Storm,I nc. <br />Storm {Pater and Erim,ironmerrtal Solations <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 />Attachment A. Scope of Work) <br />A. Description/De-sign/Engineering. The West Coast Storm Screen (Automatic Retractable <br />Screen) Device meets the minimum Hydraulic and Operation Criteria. <br />The West Coast Storm Automatic Retractable Screen (ARS) prevents trash and debris from <br />entering the catch basin during dry weather and moderate storm flows, thereby maintaining <br />trash and debris within the street to be collected by street sweeping and other equipment. <br />The ARS device opens automatically with minimal obstruction to the curb opening before <br />the depth of the storm flow in the street exceeds 3 inches. This device is an approved ARS by <br />the City and County of Los Angeles utilized in their on-going TMDL projects. <br />The West Coast Storm Screen is designed, fabricated, and installed according to the <br />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 devices are utilized in the current City of Los Angeles' <br />mandated Regional Water Quality Control Board's Total Maximum Daily Load <br />(TMDL) Catch Basin Opening Screen Cover Project. The County of Los Angeles is <br />included in the City of Los Angeles' Contract with West Coast Storm, Inc. and all units are <br />subject to daily shop and installation inspections to ensure our products meet the County and <br />City specifications. Additionally, West Coast Storm, Inc. completed the County of Los <br />Angeles River Trash Total Maximum Daily Load Full Compliance, Catch Basin Retrofit - <br />Phase 4 Project, which included installation of CPS and ARS devices. <br />Page 2 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 />