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Rk..� - <br />epast Stonn.Inc. <br />Storni Water and Environmental Solutions <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 />Device Assembly, Manufacturing. The ARS device is assembles according to the following <br />requirements: <br />1) CNC punch all individual parts. <br />2) Place main screen extension onto main screen with bend facing up. <br />3) Secure extension to main screen using 10-32 screws and washers. <br />4) Place inner screen ends into sides of main screen. Place inner screen over the ends with <br />holes aligned. <br />5) River inner screen to ends as shown insuring there is a minimum amount of lateral play. <br />6) Insert inner screen extension to inner screen. Secure inner screen extension to inner <br />screen using 10-32 CRSS screws and washers. <br />7) All screws will have an application of Loctite in the field after adjustment to catch basin <br />curb opening. <br />8) Gears assembled into sides and apply Loctite. Insure gears move freely. <br />9) Place main screen assembly into ends. Place frame member onto ends and rivet together. <br />10) Seam weld in four places per drawings. Weld anti -theft washers to top pivots according <br />to drawings. <br />11) Follow Quality Control Procedures to insure free movement of screen and locking <br />mechanism functions properly. <br />12) Main screen extension is adjusted by loosening the 4 adjustment screws. The extension is <br />lowered to a minimum 0.50 inch to a maximum 0.75 inch from the bottom of the drain <br />opening. <br />13)Inner screen extension is adjusted by loosening the 3 adjustment screws. The extension <br />can be lowered per specification. For example, if the desired screen opening is 1 inch <br />water depth, the inner screen extension should be lowered to a one inch distance between <br />the bottom of the extension and the bottom of the drain opening. <br />14) In grate installations, a grate filler plate is fabrication to ARS length. See drawings for <br />more details. <br />15) ARS devices are shipped completely assembled. Field adjustments are made based on <br />extension needs. No field welding of the ARS device is necessary. All sharp parts/edges <br />are grinded at factory and in field as needed. <br />Page 5 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 />