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......_..... <br /> . _..__------ <br /> M MITHUN <br /> N SEATLE I Pig 56,1201 AlaaW Way,4200 <br /> N 3e,tf,.WA98I011206.623.3344 <br /> m <br /> SAN FSRNCISCA I660 1415.Street.6.06p300 <br /> San Frandsen,CA9d1041 d75.95fi.0636 <br /> j� LOS ANGELE5 15837 Ad...Bled <br /> Culver City,CA 902321323.937.2150 <br /> E <br /> 6 miMun.com <br /> EROSION PREVENTION AND SEDIMENT CONTROL NOTES <br /> 1. APPROVAL OF THIS EROSION/SEDIMENTATION CONTROL(ESC) PLAN DOES NOT CONSTITUTE AN APPROVAL OF PERMANENT ROAD OR DRAINAGE DESIGN (E.G. SIZE AND LOCATION OF ROADS, PIPES, <br /> RESTRICTORS, CHANNELS, RETENTION FACILITIES, UTILITIES). 728 1J41A Stwt A Sah 200 <br /> Everett fthint 98204 <br /> n O�De 2. THE IMPLEMENTATION OF THESE ESC PLANS AND THE CONSTRUCTION, MAINTENANCE, REPLACEMENT,AND UPGRADING OF THESE ESC FACILITIES IS THE RESPONSIBILITY OF THE APPLICANT/CONTRACTOR Ph:425-741- <br /> 4Qo UNTIL ALL CONSTRUCTION IS COMPLETED AND APPROVED AND VEGETATION/LANDSCAPING IS ESTABLISHED. rn.reidmiddk5n.rom <br /> LIFTING RODS 3. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE CLEARLY FLAGGED IN THE FIELD PRIOR TO CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND THE <br /> FLAGGED CLEARING LIMITS SHALL BE PERMITTED. THE FLAGGING SHALL BE MAINTAINED BY THE APPLICANT/CONTRACTOR FOR THE DURATION OF CONSTRUCTION. <br /> PROJECT <br /> FILTER BAG 4. THE ESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED IN CONJUNCTION WITH ALL CLEARING AND GRADING ACTIVITIES, AND IN SUCH A MANNER AS TO ENSURE THAT SEDIMENT AND SEDIMENT Learning Resource <br /> 6 LADEN WATER DO NOT ENTER THE DRAINAGE SYSTEM, ROADWAYS, OR VIOLATE APPLICABLE WATER QUALITY STANDARDS. <br /> Center <br /> 5. THE ESC FACILITIES SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR ANTICIPATED SITE CONDITIONS. DURING THE CONSTRUCTION PERIOD,THESE ESC FACILITIES SHALL BE UPGRADED AS <br /> NEEDED FOR UNEXPECTED STORM EVENTS AND TO ENSURE THAT SEDIMENT AND SEDIMENT—LADEN WATER DO NOT LEAVE THE SITE. LOCATION <br /> e 6. THE ESC FACILITIES SHALL BE INSPECTED ROUTINELY AND MAINTAINED BY THE APPLICANT/CONTRACTOR TO ENSURE THEIR CONTINUED FUNCTIONING, ESPECIALLY AFTER STORM EVENTS. 2000 Tower Street <br /> 7. THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH OR WITHIN THE 48 HOURS FOLLOWING A MAJOR STORM EVENT. <br /> Everett WA 98201 <br /> EXISTING GRATE <br /> B. AT NO TIME SHALL MORE THAN ONE FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN A TRAPPED CATCH ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. THE <br /> CLEANING OPERATION SHALL NOT FLUSH SEDIMENT LADEN WATER INTO THE DOWNSTREAM SYSTEM. <br /> e <br /> �\ /\ 9. STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT. ADDITIONAL MEASURES MAY BE REQUIRED TO PREPARED FOR <br /> / ENSURE THAT ALL PAVED AREAS ARE KEPT CLEAN FOR THE DURATION OF THE PROJECT. Everett Community <br /> 10. THE CONTRACTOR SHALL PROVIDE PERIODIC STREET CLEANING TO REMOVE DEBRIS AND SEDIMENT TRACKED OFF THE SITE. College <br /> g / 11. APPROPRIATE MEASURES SHALL BE TAKEN TO STOP SEDIMENT FROM ENTERING SURFACE WATER BODIES IF THE PROPOSED BMPS FAIL. <br /> i p, FILTER BAG 12. BARE AND/OR DISTURBED SOILS SHALL REMAIN UNCOVERED AND/OR UNSTABILIZED FOR NO MORE THAN 2 DAYS FROM OCTOBER 1 THROUGH APRIL 30,AND FOR NO MORE THAN 7 DAYS FROM MAY 1 <br /> \ THROUGH SEPTEMBER 30. <br /> EXISTING CB <br /> S' F; <br /> / <br /> �i SECTION <br /> p A <br /> CATCH BASIN SEDIMENTATION WA <br /> 1 CONTROL WITH FILTER BAG <br /> E � <br /> � s s <br /> 0 <br /> E 2 c 1.01 c 1.02 NOT TO SCALE <br /> Sim <br /> ��RECISSE4�� <br /> ssS�ONAL ENG <br /> r MAX PPUMPING UMP TO YRATE SHALL REATMENT RN T AIN FACILITY <br /> 5114I2021 <br /> F 1.1 CFS (498 GPM)TO DOWNSTREAM <br /> t STORM SYSTEM <br /> a � wre xsvwwx <br /> a a - 1A 02/08/21 PERMIT RESUBMITTAL <br /> v <br /> € 2ND PERMIT RESUBMITTAL <br /> 100' MIN. <br /> IF 05/L¢/21 3RD PERMIT RESUBMDTAL <br /> J�O o <br /> 0� � 4 <br /> DESIGN WATER SURFACE <br /> EL=83.0 <br /> z_ <br /> S c�wxwmxm <br /> � a 3 z 3 <br /> 4 <br /> 8 $ 1 1 it3 1 sxolsnueaua MAD <br /> s 1 SEDIMENT REMOVAL ELEVATION Pax <br /> JI 9 <br /> t R=25' MIN 1,\ 1 79.5 mkw MAD <br /> FILTER FABRIC MIN <br /> a UNDER QUARRY <br /> SPALLS cxea JFJ <br /> 4" — 8" QUARRY SPALLS <br /> A PLACE TOP AT SUBGRADE PROVIDE FULL WIDTH OF <br /> IF POSSIBLE INGRESS/EGRESS AREA <br /> o e <br /> s � 3 SEDIMENT TRAP SECTION <br /> B m <br /> 2 CONSTRUCTION ENTRANCE c1.o1 c1.o2 NOT TO SCALE <br /> t : � <br /> a a c .0 ci.02 NOT TO SCALE <br /> e <br /> € II <br /> a 3 a <br /> $ F � <br /> E � E <br /> � � a <br /> E <br /> TY OF EVERETT <br /> g <br /> REVIIEWEED FOR PERMIT <br /> iiSC B <br /> as m <br /> TES& <br /> DETAILS <br /> EP x�. <br /> z 1904.00 <br /> a <br /> 0 511412021 <br /> 5 - F <br /> € g <br /> 8 <br /> tl � <br /> $ _ C 1 .02 <br /> PERMIT SET <br /> if <br /> ®2018 MITHUN,INC. <br />