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STATE OF CALIFORNIA•DEPARTMENT OF TRANSPORTATI0`4 Page 2 of 2 STORM WATER SPECIAL PROVISIONS for MINl1%1AL or NO IMPACT TR-0400(Rev 0912012) 16. EXISTING VEGETATION: Established existing vegetation absorbent pads, or plastic sheeting vvith absorbent material, and is the best form of erosion control. Minimize disturbance to away from storrn water run-on when not in use. existing vegetation. Damaged or removed vegetation shall be replaced as directed by the State Representative. ?S. DE\\:\TERING: De%%atering consists of discharging accumulated storm water, aroundwater, or surface vvater from 17 SOIL DISTURBANCE: Soil disturbing activities shall be excavations or temporary containment facilities. All dev%aterina avoided during the wet weather season. i f construction activities operations shall comply with the latest Caltrans guidelines. Contact during pet vyeather are allowed in your pe mit, all necessary State representative fur approval of dewatering discharge b% erosion control and soil stabilization measures shall be implemented infiltration or evaporation,otherwise,any effluent discharged into a in advance of soil disturbing activity. permitted storm vvater system requires approval from the Regional Water Quality Control Board. Prior to the start of dewatering, the l3. SLOPE STABILIZATION AND SEDIMENT CONTROL: Permittee shall provide the State Representative with adevwatering Consider a certified expert in Erosion and Sediment control in cases and discharge work plan that complies with section 13-4.01 B %%here slopes are disturbed during construction. The Permittee is Submittals, Water Pollution Control. of the State of California directed to comply %%ith Section 13.5 Temporary Soil Stabilization standard specifications for construction (2010 version). A copy.of and Section 21 Erosion Control of the State of California (2010 the Waste Discharge Permit and a cop} of a valid %VDID number version) standard specifications for construction during application issued b% the Regional Board shall be pro%ided to the State of temporary soil stabilization measures to the soil surface. Fiber representative. rolls or silt fences may be required doi rt slope until permanent soil stabilization is established. Remove the accumulated sediment whenever the sediment accumulates to 1/3 of the linear sediment barrier height. 19. STOCKPILES: Stockpiles containing aggregate andior soil ;hall be stored at least 100 feet from concentrated�flovvs of storm water. drainage courses, and storm drain inlets if %%ithin a flood plain. othenvise at least 50 feet if outside the floodplain, and shall be covered and protected with at emporary perimeter sediment barrier Cold mix stockpiles shall be stored on an impermeable surface and covered with 9mil plastic to prevent contact vvith nater. 20. DISCOVERY OF CONTV RNATION: The State Representative shall be notified in case any unusual discoloration. odor,or texture of around water, is found in excavated material or if abandoned. underground tanks, pipes, or buried debris are encountered. 21. SANiTARY AN'D SEPTIC WASTE: Do not bur\ or discharge %waste%vater from a sanitary or septic system within the high%vay. Property connected sewer facilities- ars free font leaks. With State Represenmtke approval place portable sanitary facilit% it least 50 feet away f om storm drains, receiving%eaters, and flo%% lines Permittee must comply with local health azency provisions %%hen using an on-site disposal system 22. LiQUID WASTE:Prevent job site liquid waste from entering ;toren drain systems and receiving waters. Drilling_ slurries, Grease or oil-free waste water or rinse %safer,dredging. %%ash water or rinse water rtmning off a surface or other nonstorm wat_r liquids not covered under separate waste %,.ater permits shall be held in ;uucturall% sound, leak-proof containers, such as portable bins or portable tanks. Store containers at least 50 feet a%-a% from mowing %ehicles and equipment. Liquid %%ante may require testing to determine hazardous material content prior to disposal 23. WATFR CONTROL :\ND CONSERVATION: -Manage ,.%Ver use in a%%a% that will present erosion and the discharge of ooilulants into storm drain systems and receiving %waters. Direct runaff� %water. includinn %Vater from %%peer lift: repair foal the. job site to areas %%her: ii can infill we into the Vrourd. Direct pater trnrn Off- lite sources around the job site or from contact\with jobsite . ate.. ?a. PILE DRIVING: Keep spill kirs and cleanup material; at pit-- driving, ileirivin2 I•� aticxt:. Pare pile dri!:in2 equiD;ren' n%,r drip