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• Use geotextile fabrics to increase the strength of new roads or roads <br /> undergoing reconstruction. <br /> • Encourage the use of alternate,paved routes, if available. <br /> • Restrict use of paved roadways by tracked vehicles and heavy trucks <br /> to prevent damage to road surface and base. <br /> • Apply chemical dust suppressants using the admix method,blending <br /> the product with the top few inches of surface material. Suppressants <br /> may also be applied as surface treatments. <br /> • Pave unpaved permanent roads and other trafficked areas. <br /> • Use vacuum street sweepers. <br /> • Remove mud and other dirt promptly so it does not dry and then ir1111 <br /> into dust. <br /> • Limit dust-causing work on windy days. <br /> • Contact your local Air Pollution Control Authority for guidance and <br /> training on other dust control measures. Compliance with the local Air <br /> Pollution Control Authority constitutes compliance with this BMP. <br /> Maintenance Respray area as necessary to keep dust to a minimum. <br /> Standards <br /> BMP C150: Materials on Hand <br /> Purpose Keep quantities of erosion prevention and sediment control materials on <br /> the project site at all times to be used for regular maintenance and <br /> emergency situations such as unexpected heavy summer rains. Having <br /> these materials on-site reduces the time needed to implement BMPs when <br /> inspections indicate that existing BMPs are not meeting the Construction <br /> SWPPP requirements. In addition, contractors can save money by buying <br /> some materials in bulk and storing them at their office or yard. <br /> Conditions of Use Construction projects of any size or type can benefit from having <br /> materials on hand. A small commercial development project could <br /> have a roll of plastic and some gravel available for immediate <br /> protection of bare soil and temporary berm construction. A large <br /> earthwork project, such as highway construction, might have several <br /> tons of straw, several rolls of plastic, flexible pipe, sandbags, <br /> geotextile fabric and steel "T"posts. <br /> • Materials are stockpiled and readily available before any site clearing, <br /> grubbing, or earthwork begins. A large contractor or developer could <br /> keep a stockpile of materials that are available for use on several <br /> projects. <br /> • If storage space at the project site is at a premium, the contractor could <br /> maintain the materials at their office or yard. The office or yard must <br /> be less than an hour frorn the project site. <br /> Volume 11---Construction Slormwater Pollution Prevention-August 2012 <br /> 4-41 <br />