Laserfiche WebLink
Road and Street Maintenance SNO <br />i Develop paint handling procedures for proper use, storage, and disposal of paints. <br />i Transfer and load paint and hot thermoplastic away from storm drain inlets, <br />i Provide drop cloths and drip pans in paint mixing areas. <br />i Properly maintain application equipment. <br />i Street sweep thermoplastic grindings. Yellow thermoplastic grindings may require special <br />handling as they may contain lead. <br />i Paints containing lead ortributyltin are considered a hazardous waste and must be disposed <br />of properly, <br />i Use water based paints whenever possible. If using water based paints, clean the application <br />equipment in a sink that is connected to the sanitary sewer. <br />i Properly store leftover paints if they are to be kept for the next job, or dispose of properly. <br />Concrete installation and repair <br />i Schedule asphalt and concrete activities for dry weather. <br />i Take measures to protect any nearby storm drain inlets and adjacent watercourses, prior to <br />breaking up asphalt or concrete (e.g. place san bags around inlets or work areas), <br />i Urnit the amount of fresh concrete or cement mortar mixed, mix only what is needed for the <br />job. <br />i Store concrete materials under cover, away from drainage areas, Secure bags of cement after <br />they are open. Be sure to keep wind-blown cement powder away from streets, gutters, storm <br />drains, rainfall, and runoff, <br />i Return leftover materials to the transit mixer, Dispose of small amounts of hardened excess <br />concrete, grout, and mortar in the trash. <br />i Do not wash sweepings from exposed aggregate concrete into the street or storm drain. <br />Collect and return sweepings to aggregate base stockpile, or dispose in the trash, <br />i When making saw cuts in pavement, use as little water as possible and perform during dry <br />weather. Cover each storm drain inlet completely with filter fabric or plastic during the <br />sawing operation and contain the slurry by placing straw bales, sandbags, or gravel dams <br />around the inlets. After the liquid drains or evaporates, shovel or vacuum the slurry residue <br />from the pavement or gutter and remove from site. Alternatively, a small onsite vacuum <br />maybe used to pickup the slurry as this will prohibit slurry from reaching storm drain <br />inlets. <br />Wash concrete trucks off site or in designated areas on site designed to preclude discharge of <br />wash water to drainage system, <br />January 2003 California Stormwater BMP Handbook 3 of 9 <br />Municipal <br />www.cabmphandbooks.com <br />