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<br />GENERAL TESC NOTES:
<br />1. CONTRACTOR SHALL PROTECT ALL EXISTING SITE FEATURES AND UTILITIES UNLESS OTHERWISE SPEFICIED.
<br />2. APPROVAL OF THIS TEMPORARY EROSION AND SEDIMENTATION CONTROL (TESC) PLAN DOES NOT CONSTITUTE AN APPROVAL OF
<br />PERMANENT ROAD OR DRAINAGE DESIGN (E.G. SIZE AND LOCATION OF ROADS, PIPES, RESTRICTORS, CHANNELS, RETENTION FACILITIES,
<br />UTILITIES, ETC.).
<br />3. THE IMPLEMENTATION OF THESE TESC PLANS AND THE CONSTRUCTION, MAINTENANCE, REPLACEMENT, AND UPGRADING OF THESE TESC
<br />FACILITIES IS THE RESPONSIBILITY OF THE APPLICANT OR TESC SUPERVISOR UNTIL ALL CONSTRUCTION IS APPROVED.
<br />4. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE CLEARLY FLAGGED BY A CONTINUOUS LENGTH OF
<br />SURVEY TAPE (OR FENCING, IF REQUIRED) PRIOR TO CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND
<br />THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL BE MAINTAINED BY THE APPLICANT/TESC SUPERVISOR FOR
<br />THE DURATION OF CONSTRUCTION.
<br />5. THE TESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED PRIOR TO OR IN CONJUNCTION WITH ALL CLEARING AND
<br />GRADING SO AS TO ENSURE THAT THE TRANSPORT OF SEDIMENT TO SURFACE WATERS, DRAINAGE SYSTEMS, AND ADJACENT
<br />PROPERTIES IS MINIMIZED.
<br />6. THE TESC FACILITIES SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR ANTICIPATED SITE CONDITIONS. DURING THE
<br />CONSTRUCTION PERIOD, THESE TESC FACILITIES SHALL BE UPGRADED AS NEEDED FOR UNEXPECTED STORM EVENTS AND MODIFIED TO
<br />ACCOUNT FOR CHANGING SITE CONDITIONS (E.G. ADDITIONAL SUMP PUMPS, RELOCATION OF DITCHES AND SILT FENCES, ETC.).
<br />7. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TEN DAYS DURING THE WET
<br />SEASON OR FOURTEEN DAYS DURING THE DRY SEASON SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED TESC METHODS (E.G.,
<br />SEEDING, MULCHING, PLASTIC COVERING, ETC.).
<br />8. ANY AREA NEEDING TESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ADDRESSED WITHIN FIFTEEN (15) DAYS.
<br />9. THE TESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH OR WITHIN 48 HOURS
<br />FOLLOWING A STORM EVENT.
<br />10. STABILIZED CONSTRUCTION ENTRANCES AND ROADS SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR
<br />THE DURATION OF THE PROJECT. ADDITIONAL MEASURES, SUCH AS WASH PADS, MAY BE REQUIRED TO ENSURE THAT ALL PAVED
<br />AREAS ARE KEPT CLEAN FOR THE DURATION OF THE PROJECT.
<br />11. ANY PERMANENT RETENTION/DETENTION FACILITY USED AS A TEMPORARY SETTLING BASIN SHALL BE MODIFIED WITH THE NECESSARY
<br />EROSION CONTROL MEASURES AND SHALL PROVIDE ADEQUATE STORAGE CAPACITY. IF THE PERMANENT FACILITY IS TO FUNCTION
<br />ULTIMATELY AS AN INFILTRATION SYSTEM, THE TEMPORARY FACILITY MUST BE GRADED SO THAT THE BOTTOM AND SIDES ARE AT
<br />LEAST ONE FOOT ABOVE THE FINAL GRADE OF THE PERMANENT FACILITY.
<br />12. WHERE STRAW MULCH FOR TEMPORARY EROSION CONTROL IS REQUIRED, IT SHALL BE APPLIED AT A MINIMUM THICKNESS OF TWO
<br />INCHES.
<br />13, PRIOR TO APPLYING HYDROSEEDING MIX, THE AREA SHALL RECEIVE A LAYER OF TOPSOIL TO ENCOURAGE SEED AND PLANT GROWTH.
<br />14. THIS TESC IS CONSIDERED A PART OF THE STORM WATER POLLUTION PREVENTION REPORT FOR THIS PROJECT. THE CONTRACTOR
<br />SHALL RETAIN A COPY OF THE STORM WATER POLLUTION PREVENTION PLAN AND REPORT ON-SITE AT ALL TIMES.
<br />15. CONTRACTOR'S STAGING AREA AND STOCKPILE AREAS SHALL BE DETERMINED AND DESIGNATED PRIOR TO START OF CONSTRUCTION.
<br />CESCL TO COORDINATE AND MOVE THESE AREAS AS CONSTRUCTION PROGRESSES.
<br />16. ALL CONCRETE WORK AND SAWCUTTING SHALL FOLLOW DOE'S BEST MANAGEMENT PRACTICES.
<br />JOINTS IN FILTER FABRIC SHALL BE SPLICED
<br />AT POSTS. USE STAPLES, WIRE RINGS, OR
<br />EQUIVALENT TO ATTACH FABRIC TO POSTS.
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<br />POST SPACING
<br />MAY BE INCREASED
<br />TO 8' IF WIRE
<br />BACKING IS USED
<br />2"x2" BY 14 Go. WIRE OR
<br />EQUIVALENT, IF STANDARD
<br />STRENGTH FABRIC USED
<br />FILTER FABRIC
<br />MINIMUM 4"x4" TRENCH /
<br />BACKFILL TRENCH WITH /
<br />NATIVE SOIL OR 3/4"-1.5"
<br />WASHED GRAVEL
<br />2"x4" WOOD POSTS, STEEL FENCE
<br />NOTE: FILTER FABRIC FENCES SHALL BE POSTS, REBAR, OR EQUIVALENT
<br />INSTALLED ALONG CONTOUR WHENEVER POSSIBLE
<br />SILT FENCE DETAIL
<br />N. T. S.
<br />SUNDADIA - TRAILI-IEAD - PHASE 1, DIVISION 12
<br />A PORTION OF SECTION 19, T. 20 N., R, 15 E., W.M.
<br />KITTITAS COUNTY, STATE OF WASHINGTON
<br />DUST CONTROL NOTES:
<br />1, THE APPLICANT SHALL BE RESPONSIBLE FOR CONTROLLING ALL FUGITIVE
<br />DUST THAT MAY BE GENERATED BY THE CONSTRUCTION PROJECT.
<br />2. WATER APPLIED TO CONSTRUCTION SITES FOR DUST CONTROL MUST NOT
<br />LEAVE THE SITE AS SURFACE RUNOFF.
<br />3. VEGETATE OR MULCH AREAS THAT WILL NOT RECEIVE VEHICLE TRAFFIC. IN
<br />AREAS WHERE PLANTING, MULCHING, OR PAVING IS IMPRACTICAL, APPLY
<br />GRAVEL OR LANDSCAPING ROCK.
<br />4. LIMIT DUST GENERATION BY CLEARING ONLY THOSE AREAS WHERE IMMEDIATE
<br />ACTIVITY WILL TAKE PLACE, LEAVING REMAINING AREA(S) IN THE ORIGINAL
<br />CONDITION, IF STABLE. MAINTAIN THE ORIGINAL GROUND COVER AS LONG AS
<br />PRACTICAL.
<br />5. CONSTRUCT NATURAL OR ARTIFICIAL WINDBREAKS OR WINDSCREENS. THESE
<br />MAY BE DESIGNED AS ENCLOSURES FOR SMALL DUST SOURCES.
<br />6. SPRINKLE THE SITE WITH WATER UNTIL SURFACE IS WET. REPEAT AS
<br />NEEDED. TO PREVENT CARRYOUT OF MUD ONTO STREET, REFER TO
<br />STABILIZED CONSTRUCTION ENTRANCE (BMP C105).
<br />7. IRRIGATION WATER CAN BE USED FOR DUST CONTROL. IRRIGATION SYSTEMS
<br />SHOULD BE INSTILLED AS A FIRST STEP ON SITES WHERE DUST CONTROL
<br />IS A CONCERN.
<br />8. SPRAY EXPOSED SOIL AREAS WITH A DUST PALLIATIVE, FOLLOWING THE
<br />MANUFACTURER'S INSTRUCTIONS AND CAUTIONS REGARDING HANDLING AND
<br />APPLICATION. USED OIL IS PROHIBITED FROM USE AS A DUST SUPPRESSANT.
<br />LOCAL GOVERNMENTS MAY APPROVE OTHER DUST PALLIATIVES.
<br />9. RESPRAY AREA AS NECESSARY TO KEEP DUST TO A MINIMUM. WATER
<br />APPLIED TO CONSTRUCTION SITES FOR DUST CONTROL MUST NOT LEAVE THE
<br />SITE AS SURFACE RUNOFF.
<br />12' MIN.
<br />1
<br />NOTES:
<br />1. THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION THAT WILL PREVENT TRACKING OR FLOWING
<br />OF SEDIMENT ONTO PUBLIC RIGHTS-OF-WAY. THIS MAY REQUIRE TOP DRESSING, REPAIR AND/OR
<br />CLEANOUT OF ANY MEASURES USED TO TRAP SEDIMENT.
<br />2. WHEN NECESSARY, WHEELS SHALL BE CLEANED PRIOR TO ENTRANCE ONTO PUBLIC RIGHT -O= -'NAY.
<br />3. WHEN WASHING IS REQUIRED, IT SHALL BE DONE ON AN AREA. STA31LJZED WITH CRUS�EO
<br />THAT DRAINS INTO AN APPROVED SEDIMENT TRAP OR SEDIME'i- EASIN.
<br />ROCK CONSTRUCTION ENTRANCE
<br />N. T. S.
<br />RECOMMENDED CONSTRUCTION SEQUENCE:
<br />1. PRE -CONSTRUCTION MEETING.
<br />2. INSTALL CATCH BASIN PROTECTION IF REQUIRED.
<br />3. GRADE AND INSTALL CONSTRUCTION ENTRANCE(S).
<br />4. INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER, ETC.).
<br />5. CONSTRUCT SEDIMENT PONDS AND TRAPS.
<br />6. ROUGH GRADE AND STABILIZE CONSTRUCTION SITE.
<br />7. CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR DIKES, PIPE SLOPE DRAINS, ETC.).
<br />SIMULTANEOUSLY WITH CLEARING AND GRADING FOR PROJECT DEVELOPMENT.
<br />8. MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH PLANS & DOE "BEST MANAGEMENT
<br />PRACTICES
<br />9. CONSTRUCT PROPOSED UTILITIES AND STRUCTURES. FINE GRADE SITE AS NEEDED.
<br />10. RELOCATE EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO THAT AS SITE CONDITIONS
<br />CHANGE THE EROSION AND SEDIMENT CONTROL IS ALWAYS IN ACCORDANCE.
<br />11. COVER ALL AREAS THAT WILL BE UNWORKED FOR MORE THAN FOURTEEN DAYS DURING THE DRY
<br />SEASON OR TEN DAYS DURING THE WET SEASON WITH STRAW, WOOD FIBER MULCH, COMPOST,
<br />PLASTIC SHEETING OR EQUIVALENT.
<br />12. STABILIZE ALL AREAS THAT REACH FINAL GRADE WITHIN SEVEN DAYS.
<br />13. SEED OR SOD ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30 DAYS.
<br />14. UPON COMPLETION OF THE PROJECT, ALL DISTURBED AREAS MUST BE STABILIZED AND BMPS
<br />REMOVED IF APPROPRIATE.
<br />/1CQ/11 .
<br />DRAIN°'
<br />GRATES ..
<br />V_
<br />LCONCR
<br />BLOCK�E
<br />GRAVEL BACKFILL
<br />(314" MIN.)
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<br />A
<br />PLAN VIEW
<br />WIRE QCRFFN (1R
<br />SECTION A - A
<br />NOTES:
<br />1. DROP INLET SEDIMENT BARRIERS ARE TO BE USED FOR SMALL, NEARLY LEVEL DRAINAGE AREAS.
<br />(LESS THAN 5%)
<br />2. EXCAVATE A BASIN OF SUFFICIENT SIZE ADJACENT TO THE DROP INLET.
<br />3. THE TOP OF THE STRUCTURE (PONDING HEIGHT) MUST BE WELL BELOW THE GROUND ELEVATION
<br />DOWNSLOPE TO PREVENT RUNOFF FROM BY- PASSING THE INLET. A TEMPORARY DIKE MAY BE
<br />NECESSARY ON THE DOWNSLOPE SIDE OF THE STRUCTURE.
<br />CATCHBASIN SEDIMENT PROTECTION
<br />N. T. S.
<br />KITTITAS COU14TY
<br />APPROVED FOR CONSTRUCTION
<br />THESE PLANS HAVE BEEN REVIEWED BY KIT71TAS COUNTY DEPARTMENT OF PUBLIC
<br />WORKS AND HAVE BEEN ACCEPTED FOR COMPLYING WITH THE REQUIREMENTS OF
<br />KIT71TAS COUNTY.
<br />DIRECTOR OF PUBLIC WORKS
<br />DATE
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