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A PORTION OF THE SW 1/4 OF SECTION 02,T 28 N, R 04 E,W.M.
<br /> STANDARD PRACTICE CODING SYSTEM EROSION CONTROL MONITORING PLAN T.E.S.C. /GRADING NOTES CITY OF EVERETT T.E.S.C. STANDARD NOTES
<br /> 1. Approval of this erosion/sedimentation control(ESC)plan does not constitute an
<br /> CONTRACTOR TO INSTALL AND MAINTAIN ALL EROSION CONTROL BMP'S AS 1. OBSERVE EROSION CONTROL MEASURES AT THE BEGINNING AND END INSTALL INLET SEDIMENT PROTECTION ON ALL EXISTING STORM DRAIN approval of permanent road or drainage design(e.g.size and location of roads, p Q
<br /> SHOWN ON THIS PLAN IN ACCORDANCE WITH DEPARTMENT OF ECOLOGY OF EACH DAY.REPAIR AND/OR REPLACE AS NECESSARY TO ASSURE 1 STRUCTURES WITHIN 500 FT OF SITE PER BMP C220(SEE DETAIL,SHEET C5). pipes,restrictors,channels,retention facilities,utilities).
<br /> STORMWATER POLLUTION PREVENTION REQUIREMENTS SUMMARIZED ON PROPER FUNCTION. OINLET PROTECTION SHALL ALSO BE INSTALLED ON NEW INLETS ONCE
<br /> SHEET C4. IF BMP INSTALLATION AND MAINTENANCE IS INADEQUATE TO MEET 2. OBSERVE COLLECTION FACILITIES DURING PERIODS OF HEAVY RAINFALL PERMANENT STORMWATER CONVEYANCE SYSTEM IS IN PLACE. The temporary sediment pond requires a 50 feet 2. The implementation of these ESC plans and the construction,maintenance,
<br /> THESE REQUIREMENTS CONTRACTOR TO PROVIDE ADDITIONAL BMP'S AT NO AND WET WEATHER CONDITIONS. setback from top of slopes greater than 15 percent replacement,and upgrading of these ESC facilities is the responsibility of the DAV I D EVAN S
<br /> ADDITIONAL COST TO OWNER. 3. OBSERVE AND MONITOR STABILIZATION TECHNIQUES.MAKE REPAIRS
<br /> AND/OR ALTERATIONS AS NECESSARY TO PREVENT EROSION. CONTRACTOR SHALL INSTALL TEMPORARY SEDIMENT POND AT THE and greater than 10 feet high.A geotechnical analysis applicant1contractor until all construction is completed and approved and
<br /> 2 BEGINNING OF THE PROJECT TO PROVIDE FOR SEDIMENT CONTROL. and report must be prepared addressing the potential vegetation/landscaping is established. AND ASSOC I ATES INC.
<br /> CODE l3l 4. COMPLY WITH ALL WASHINGTON STATE DEPARTMENT OF ECOLOGY P P P g
<br /> (D.O.E.)AND CITY OF EVERETT(C.O.E.)REQUIREMENTS FOR DISCHARGE impact of the facility on the slope.The geotechnical 3. The boundaries of the clearing limits shown on this plan shall be clearly flagged 1620 W.Marine View Drive
<br /> OF STORMWATER. ALL UTILITIES-HYDRANTS,POWER AND COMM.CONDUIT AND BOXES, report may recommend a reduced setback,but In no in the field prior to construction.During the construction period,no disturbance Suite 200
<br /> CE STABILIZED CONSTRUCTION ENTRANCEIEXIT 3 SIDEWALKS,ADA.RAMPS,ETC.SHALL BE PRESERVED.NOT ALL EXISTING case shall the setback be less than the vertical height beyond the flagged clearing limits shall be permitted.The flagging shall be Everett,WA 98201
<br /> O (D.O.E.BMP C105) ITEMS ARE SHOWN ON THE SURVEY BASE. of the slope. maintained by the applicant/contractor for the duration of construction. 425.259.4099
<br /> WET WEATHER GRADING &S W P PP NOTE GRADING IN THIS AREA TO BE 2:1 FROM PROPOSED FINISHED GRADE TO 4. The ESC facilities shown on this plan must be constructed in conjunction with all Q
<br /> DC DUST CONTROL(D.O.E.BMP C140) O clearing and grading activities,and in such a manner as to ensure that sediment
<br /> MATCH EX.GROUND. and sediment laden water do not enter the drainage system,roadways,or
<br /> 1. FROM OCTOBER 1 TO APRIL 30,NO DENUDED SOIL AREAS AND SOIL violate applicable water quality standards.
<br /> P CATCH BASIN/INLET SEDIMENT PROTECTION STOCKPILES MAY REMAIN EXPOSED FOR MORE THAN 2 DAYS,AND NO
<br /> (WSDOT STD PLAN 1-40.20-00,SHEET C3&D.O.E.BMP C220) MORE THAN 7 DAYS FROM MAY 1 TO SEPTEMBER 30. 5. The ESC facilities shown on this plan are the minimum requirements for
<br /> anticipated site conditions.During the construction period,these ESC facilities
<br /> MU MULCH AND/OR MATTING C121 BMP D.O.E. SWPPP BEST MANAGEMENT PRACTICES shall be upgraded as needed for unexpected storm events and to ensure that
<br /> ( ) sediment and sediment-laden water do not leave the site.
<br /> THE LOCATION AND TYPE OF PROPOSED MEASURES FOR TEMPORARY EROSION
<br /> PS TEMPORARY&PERMANENT SEEDING(D.O.E.BMP C120) CONTROL SHALL BE AS FOLLOWS: 6. The ESC facilities shall be inspected routinely and maintained by the
<br /> applicant/contractor to ensure their continued functioning,especially after storm
<br /> SEDIMENT BASIN -DETENTION POND TO BE UTILIZED AS events. W
<br /> WORK LIMITS&HIGH VISIBILITY FENCE AS SHOWN OR AT TEMPORARY SEDIMENT BASIN
<br /> W L MULCH AND HYDROSEED -ALL EXPOSED SOIL UPON ATTAINMENT OF FINISH 7. The ESC facilities on inactive sites shall be inspected and maintained a Z (n
<br /> PROPERTY LINES.(D.O.E.BMP C103)
<br /> GRADE minimum of once a month or within the 48 hours following a major storm event. W Z
<br /> SILT FENCES -AT DOWNSLOPE SIDE OF AREA TO BE CLEARED V Q
<br /> PC PLASTIC COVERING(D.O.E.BMP C123) AND AT TOE OF FILL SLOPES 8. At no time shall more than one foot of sediment be allowed to accumulate within J J 7
<br /> a trapped catch basin.All catch basins and conveyance lines shall be cleaned Q a Q Q
<br /> S'F TEMPORARY SILT FENCE(D.O.E.BMP C233) W L c F TYP A TYP prior to paving.The cleaning operation shall not Flush sediment laden water into - Q
<br /> TYP. i7 `F the downstream system. (,)ix O J J
<br /> 9. Stabilized construction entrances shall be installed at the beginning of LU � V) a
<br /> r■■■■■■y I P TYP. 4 construction and maintained for the duration of the project.Additional measures 2 u
<br /> - - `. may be required to ensure that II paved areas are kept clean for the duration of
<br /> --_ - - the project.
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<br /> ■�,■, ■'■ _-->�'/; ��' / `,_� � - -___ - _ / - 10. The Contractor shall provide periodic street cleaning to remove debris and O
<br /> ■ ■ -- sediment tracked off the site.Iiiiiiiii } Z
<br /> 11. Appropriate measures shall be taken to stopsediment from enteringsurface
<br /> Z�_ -- - �`.\ \ � water bodies if the proposed BMPs fail.If BMPs fail and sediment-laden water is Q V
<br /> leavingthe site immediate) notifyour Public Works Inspector.
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<br /> I, II � I I11 � / ____� _ 1 "/ 12. Bare and/or disturbed soils shall remain uncovered and/or unstabilized for no (n
<br /> ' 7\�� 11 ' ' I i, \ ` - \ - __ --r -, _ -- more than 2 days from October 1 through April 30,and for no more than 7 days
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<br /> i y %; _tom` / / �' �� �� _--I / ��\ _____ �/' - '-- - -___---f- ---� 4 ��_---' i 13. Notify the City Public Works Inspector at least 24 hours prior to dewatering W
<br /> , I / _ I _-� _ -- activities.Handle highly turbid or otherwise contaminated dewatering water >
<br /> a 1 '/r/ I ! --_-- \ - r`" separately from stormwater. W
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<br /> - \ ( -i I x / r . ` - \ 14. The approved project Public Works permit and SWPPP shall be retained on site O
<br /> or readily available to the contractor throughout the duration of the construction }
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<br /> 15. Design,install,implement,and maintain effective pollution prevention measures
<br /> to minimize the discharge of pollutants. Y O
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<br /> _ / \`\` d ; __ ♦' 16. Protect all LID BMPs from sedimentation through installation and maintenance m
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<br /> - _ ferosion n im n n r l BMP son portions f he site h drain in h
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<br /> U CL Clearing limited to on-site work only.No clearing or 0 u
<br /> grading within the Right-of-Way is permitted under 3
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<br /> KNOW WHAT'S BELOW \ -- '•' 'a'a'•'•'a'a'a'•' 'a'a' �_,'�" ,'" ��Iiil r / / PROJECT NO.
<br /> CALL BEFORS, DIG ,--+%. / :'.345/0'• . . (FEET)
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<br /> \ ,•502°30'00"IN, = 11NCH=50 Fi.
<br /> _ �' "% ' SHEET NO.
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