3315 BROADWAY HOPEWORKS STATION 2 2026-01-02

2 3 4 5 6 7 a: tt STANDARD NOTES ] 1. APPROVAL OF THIS EROSION/SEDIMENTATION CONTROL(ESC)PLAN DOES NOT W�0 so CONSTITUTE AN APPROVAL OF PERMANENT ROAD OR DRAINAGE DESIGN(E.G.SIZE W w d] A AND LOCATION OF ROADS,PIPES,RESTRICTORS,CHANNELS,RETENTION FACILITIES, w z UTILITIES). Ccn cnd H 2. THE IMPLEMENTATION OF THESE ESC PLANS AND THE CONSTRUCTION, — MAINTENANCE,REPLACEMENT,AND UPGRADING OF THESE ESC FACILITIES IS THE IX �N RESPONSIBILITY OF THE APPLICANT/CONTRACTOR UNTIL ALL CONSTRUCTION IS ME w W COMPLETED AND APPROVED AND VEGETATION/LANDSCAPING IS ESTABLISHED. o w 3. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE ¢o m ffi CLEARLY FLAGGED IN THE THE FIELD PRIOR TO CONSTRUCTION.DURING THE �a 3 U CONSTRUCTION PERIOD,NO DISTURBANCE BEYOND THE FLAGGED CLEARING LIMITS SHALL BE PERMITTED.THE FLAGGING SHALL BE MAINTAINED BY THE APPLICANT/CONTRACTOR FOR THE DURATION OF CONSTRUCTION. 4. THE ESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED IN CONJUNCTION WITH ALL CLEARING AND GRADING ACTIVITIES,AND IN SUCH A 0 dd MANNER AS TO ENSURE THAT SEDIMENT AND SEDIMENT LADEN WATER DO NOT ENTER THE DRAINAGE SYSTEM,ROADWAYS,OR VIOLATE APPLICABLE WATER QUALITY STANDARDS. Vj B 5. THE ESC FACILITIES SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR ANTICIPATED SITE CONDITIONS.DURING THE CONSTRUCTION PERIOD,THESE ESC e" Q FACILITIES SHALL BE UPGRADED AS NEEDED FOR UNEXPECTED STORM EVENTS W '�1sls AND TO ENSURE THAT SEDIMENT AND SEDIMENT-LADEN WATER DO NOT LEAVE < �4 THE SITE. z 6. THE ESC FACILITIES SHALL BE INSPECTED ROUTINELY AND MAINTAINED BY THE APPLICANT/CONTRACTOR TO ENSURE THEIR CONTINUED FUNCTIONING,ESPECIALLY us AFTER STORM EVENTS. 7. THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A m ao 0o eo MINIMUM OF ONCE A MONTH OR WITHIN THE 48 HOURS FOLLOWING A MAJOR STORM EVENT. b 8. AT NO TIME SHALL MORE THAN ONE FOOT OF SEDIMENT BE ALLOWED TO N n n a ACCUMULATE WITHIN A TRAPPED CATCH BASIN.ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING.THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT LADEN WATER INTO THE DOWNSTREAM SYSTEM. 9. STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING C OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT. ��'• ADDITIONAL MEASURES MAY BE REQUIRED TO ENSURE THAT ALL PAVED AREAS z ARE KEPT CLEAN FOR THE DURATION OF THE PROJECT. 10. THE CONTRACTOR SHALL PROVIDE PERIODIC STREET CLEANING TO REMOVE DEBRIS o AND SEDIMENT TRACKED OFF THE SITE. i c� 11. APPROPRIATE MEASURES SHALL BE TAKEN TO STOP SEDIMENT FROM ENTERING SURFACE WATER BODIES IF THE PROPOSED BMPS FAIL. `'i W 12. BARE AND/OR DISTURBED SOILS SHALL REMAIN UNCOVERED AND/OR > > m UNSTABILIZED FOR NO MORE THAN 2 DAYS FROM OCTOBER 1 THROUGH APRIL 30, F5 Q i c° AND FOR NO MORE THAN 7 DAYS FROM MAY 1 THROUGH SEPTEMBER 30. s c o PEDESTRIAN PROTECTION PLAN D CONTRACTOR SHALL SECURE THE SITE WITH AN 8'TEMPORARY CHAINUNK FENCE. N CONTRACTOR SHALL PROVIDE PEDESTRIAN PROTECTION IN ACCORDANCE WITH THE g 2012 IBC SECTION 3306.WHEN CONSTRUCTION IS OVERHEAD AND ADJACENT TO EXISTING PEDESTRIAN PATHWAYS,CONTRACTOR SHALL PROVIDE COVERED WALKWAYS CONTRACTOR TO NOTES: IN ACCORDANCE WITH IBC SECTION 3306.7. PROVIDE PIPE ROUTING ' o, &CONNECTION DETAILS O PUMP CLEAN WATER TO APPROVED DISCHARGE LOCATION. 55 GAL.PERORATED o� � � $ 9 •• � DRUM TEST TURBIDITY CONTRACTOR NOTE PRIOR TO O 10 GPM PUMP g v o o CLEAN WASHED DISCHARGE O WRAP DRUM OR CMP WITH GEOTEXTILE,MIRIFI 140N OR ALL EXISTING UTILITIES SHOWN ON PLANS ARE TO BE VERIFIED HORIZONTALLY AND GRAVEL CONE APPROVED EQUAL.PROVIDE 6"OVERLAP AT SEAMS.CLOSURE VERTICALLY PRIOR TO ANY CONSTRUCTION.ALL EXISTING FEATURES INCLUDING BURIED NTH STAPLES OR WIRE RING. UTILITIES ARE SHOWN AS INDICATED ON RECORD MAPS AND SURVEY FURNISHED BY j\\j\\ ° / PUMP ON OTHERS.WE ASSUME NO LIABILITY FOR THE ACCURACY OF THOSE RECORDS AND //\//\ ° ° /\// 4. CONTRACTOR TO PROVIDE CONCRETE BASE. o SURVEY,FOR THE FINAL LOCATION OF EXISTING UTILITIES IN AREAS CRITICAL TO \\//\\/ //\\/ O CONSTRUCTION CONTACT THE UTILITY OWNER/AGENCY. PLACE PUMP AND APPURTENANCES IN CENTER OF SUMP. / TEMPORARY EROSION AND SEDIMENT CONTROL NOTES W V 4 x SUMP WITH PUMP 1. CONTRACTOR SHALL BE RESPONSIBLE FOR EROSION CONTROL MEASURES AND A Q CONSTRUCTION STORM WATER AT ALL TIMES. SCALE: NONE ~ C } Q N 2. MAINTAIN EXISTING PAVEMENT TO THE EXTENT FEASIBLE,COVER EXISTING MATERIALS Q o STOCK PILES,AND MAINTAIN A CLEAN SITE. 3. AREAS DISTURBED FOR THE CONSTRUCTION OF SIDEWALKS AND LANDSCAPE ARE WITHIN THE SITE AND WITHIN THE RIGHT OF WAY SHALL INCLUDE STRAW WATTLE AND O OR PLASTIC COVERING TO PROTECT DISTURBED SOILS. Q LI..I v. 4. AS CONSTRUCTION PROGRESSES AND SEASONAL CONDITIONS DICTATE,THE EROSION PER PLAN O F CONTROL FACILITIES SHALL BE MAINTAINED AND/OR ALTERED AS REQUIRED TO ENSURE CONTRACTOR TO PROVIDE PIPE W LLI CONTINUING EROSION/SEDIMENT CONTROL. ROUTING&CONNECTION DETAILS � 55 GAL.PERORATED AS APPROVED BY NOTES, � m 5. ALL TEMPORARY EROSION AND SEDIMENT CONTROL BMPS SHALL BE MAINTAINED IN A DRUM CONSTRUCTION INSPECTION TEST TURBIDITY O PUMP CLEAN WATER TO APPROVED DISCHARGE LOCATION. O LLI SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING AND/OR CONSTRUCTION IS PRIOR TO i COMPLETED,PERMANENT DRAINAGE FACILITIES ARE OPERATIONAL,AND THE POTENTIAL SEDIMENT CLEAN WASHED DISCHARGE 2• SIZE PER PLAN T FOR EROSION HAS PASSED. �� O + LADEN WATER GRAVEL CONE a 6. to AT A MINIMUM,EROSION AND SEDIMENT CONTROL FACILI7IES SHALL BE MAINTAINED •�//\\'�\\ ° ° PUMP ON '\�//\\j'�\ O WRAP DRUM OR CMP KITH GEOTEXTILE,MIRIFI 100X OR MONTHLY,OR FOLLOWING EACH RUNOFF-PRODUCING STORM,TO ENSURE PROPER \�� ih = �� \/x APPROVED EQUAL PROVIDE 6°OVERLAP AT SEAMS.CLOSURE OPERATION OF ALL EROSION AND SEDIMENT CONTROL FACILITIES. ° ° WITH STAPLES OR WIRE RING. 7. APPROVAL OF THIS PLAN DOES NOT CONSTITUTE AN APPROVAL OF DESIGN,SIZE,NOR 1.5'OF�a \\ �,\' ° ° �� O CONTRACTOR TO PROVIDE CONCRETE BASE. LOCATION OF PERMANENT PIPES,RESTRICTORS,OR DETENTION FACILITIES; BUT IS AN SEDIMENT %, - -�/' 3HaV MAX SLOPE APPROVAL OF EROSION AND SEDIMENT CONTROL BMPS ONLY. STORAGE O PLACE PUMP AND APPURTENANCES IN CENTER OF TRAP. age � 1 � TO G 8. THE PUBLIC RIGHT-OF-WAY SHALL BE KEPT CLEAN.TRACKING OF MUD AND DEBRIS Z FROM E SIT WILL E` RESULT IN ALLL OT WORK NON THEASITE BEINGASTOPPED.ILURE COMPLY NTH THIS CONDI710N WILL SEDIMENT TRAP 4 e r B SHEET TITLE: 9. THE WASHINGTON STATE CLEAN AIR ACT REQUIRES THE USE OF ALL KNOWN, VIABLE, T.E.$.C. & oEe AND REASONABLE MEANS OF CONTROWNG AIR POLLUTION,INCLUDING DUST.DUST CAN DEMOLITION NOTES BE CONTROLLED BY WETTING EXPOSED SOILS,WASHING TRUCK WHEELS BEFORE THE UNDERGROUND SERVICE ALERT AND DETAILS LEAVE THE SITE,AND INSTALLING AND MAINTAINING ROCK CONSTRUCTION ENTRANCES. CONSTRUCTION VEHICLE TRACKOUT IS A MAJOR SOURCE OF DUST AND ANY EVIDENCE ONE-CALL NUMBER OF TRACK-OUT CAN TRIGGER FINES FROM THE DEPARTMENT OF ECOLOGY OR THE PUGET SOUND AIR POLLUTION CONTROL AGENCY. _o (800)424-5555 SHEET N0. g E CALL TWO BUSINESS DAYS C 10 OBEFORE YOU DIG SECTION 29, TOWNSHIP 29 NORTH, RANGE 5 EAST, W.M.