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STATE OF CALIFORNIA•(DEPARTMENT OF TRANSPORTATION Page 2 of 2 <br /> STORM WATER SPECIAL PROVISIONS for MINIMAL or NO IMPACT <br /> TR-0400(Rev 09/2012) <br /> Ifi. EXISTING VEGETATION: Established existing vegetation absorbent pads, or plastic sheeting with absorbent material, and <br /> is the best form of erosion control. Minimize disturbance to away from storm water run-on when not in use. <br /> existing vegetation. Damaged or removed vegetation shall be <br /> replaced as directed by the State Representative. 25. DEWATERING: Dewatering consists of discharging <br /> accumulated storm water, ground%%ater, or surface water from <br /> 17. SOIL DISTURBANCE: Soil disturbing activities shall be excavations or temporary containment facilities. All dewatering <br /> avoided during the wet weather season. I f construction activities operations shall comply with the latest Caltrans guidelines.Contact <br /> during wet weather are allowed in your permit, all necessary State reprasentati%e for approval of dewatering discharge by <br /> erosion control and soil stabilization measures shall be implemented infiltration or evaporation,otherwise;any effluent discharged into a <br /> in advance of soil disturbing activity. permitted storm water system requires approval from the Regional <br /> Nater Quality Control Board. Prior to the start of dewatering, the <br /> 13. SLOPE STABILIZATION AND SEDIMENT CONTROL: Permittee shall provide the State Representative with adewatering <br /> Consider a certified expert in Erosion and Sediment control in cases and discharge work plan that complies with section 13-4.01B <br /> where slopes are disturbed during construction. The Permittee is Submittals, Water Pollution Control. of the State of California <br /> directed to comply with Section 13.5 Temporary Soil Stabilization standard specifications for construction (2010 version). A copy of <br /> and Section 21 Erosion Control of the State of California (2010 the Waste Discharge Permit and a copy of a valid WDID number <br /> version) standard specifications for construction during application issued by the Regional Board shall be provided to the State <br /> of temporary soil stabilization measures to the soil surface. Fiber representative. <br /> rolls or silt fences may be required dowel slope until permanent soil <br /> stabilization is established. Remove the accumulated sediment <br /> whenever the sediment accumulates to 1/3 of the linear sediment <br /> barrier height. <br /> 19. STOCKPILES: Stockpiles containing aggregate and/or soil <br /> shall be stored at least 100 feet from concentrated flows of storm <br /> vwater, drainage courses. and storm drain inlets if within a flood <br /> plain, otherwise at least 50 feet if outside the floodplain, and shall <br /> be covered and protected with at emporary perimeter sediment <br /> barrier. Cold mix stockpiles shall be stored on an impermeable <br /> surface and covered with 9mil plastic to prevent contact with eater. <br /> 20. DISCOVERY OF CONTAMINATION: The State <br /> Representative shall b:: notified in case any unusual discoloration_ <br /> odor,or texture of ground water,is found in excavated material or if <br /> abandoned, underground tanks, pipes, or buried debris are <br /> encountered. <br /> 21. SANITARY AND SEPTIC WASTE: Do not bur• or <br /> discharge wastewater from a sanitary or septic system o ithin the <br /> highway. Properly connected sewer facilities are free from leaks. <br /> With State Repre3entative approval place portable sanitary facility <br /> at least 50 Leet away from storm drains, receiving waters, and flow <br /> lines. Permittee must compl% with local health agency provisions <br /> when using an on-site disposal system. <br /> 22. LIQUID WASTE: Prevent job site liquid waste from entering <br /> storm drain systems and receiving waters. Drilling slurries, grease <br /> or oil-free waste water or Tins:%water.dredging, wash v.ater or rinse <br /> %water running off a surface or other nonstorm water liquids not <br /> covered under separate waste water permits shall be held in <br /> structurally sound, leak-proof containers. such as portable bins or <br /> portable tanks. Store containers at least 50 feet away from moving <br /> vehicles and equipment. Liquid waste may require testing to <br /> determine hazardous material content prior to disposal <br /> 23. WATER CONTROL AND CONSERVATION: Manage <br /> water use in a way that will prevent erosion and the discharge of <br /> pollutants into storm drain systems and receiving waters. Direct <br /> runoff water. including water from water line repair from the job <br /> site to areas where it can infiltrate into the ground. Direct %water <br /> from off-site sources around the job site or from contact with jobsite <br /> w tt,2r. <br /> 24. PILE DRIVING: Keep spill kits and cleanup materials at pile <br /> driving locations. Park pile driving equipment ow;r drip pans, <br />