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STORMFILTER DESIGN NOTES EROSION NOTES:
<br /> DWG INDEX: -
<br /> STORMFILTER TREATMENTCAPACITY IS A FUNCTION OF THE CARTRIDGE SELECTION AND THE NUMBER OF CARTRIDGES.THE STANDARD MANHOLE
<br /> X STYLE IS SHOWN WITH THE MAXIMUM NUMBER OF CARTRIDGES(7).VOLUME SYSTEM IS ALSO AVAILABLE Wi'H MAXIMUM 7 CARTRIDGES. 1. APPROVAL OF THE DRAINAGE AND TEMPORARY EROSION CONTROL PLANS DOES NOT a, o M
<br /> 072"MANHOLE STORMFILTER PEAK HYDRAULIC CAPACITY IS 1.5 CFS.IF THE SITE CONDITIONS EXCEED 1.5 C,S AN UPSTREAM BYPASS STRUCTURE IS k INCLUDE APPROVAL OF THE GRADING SHOWN HEREIN. a' a o
<br /> REQUIRED. S O
<br /> s 2. THE IMPLEMENTATION OF THESE T.E.S.C.P. PLANS AND THE CONSTRUCTION, MAINTENANCE, N
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<br /> •.:•.•" OUTLET CARTRIDGE SELECTION REPLACEMENT, AND UPGRADING OF THE T.E.S.C.P. FACILITIES IS THE RESPONSIBILITY OF O a;�o
<br /> THE CONTRACTOR UNTIL ALL CONSTRUCTION IS APPROVED. 3 O
<br /> A SUMP CARTRIDGE HEIGHT 27" 18" LOW DROP -k ,�, N
<br /> RECOMMENDED HYDRAULIC DROP(H) 3.05' 2.3' 1.8' 4 3. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE CLEARLY a, n N a
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<br /> SPECIFIC FLOW RATE(gpm/sf) 2 gpm/ft21 gpm/ft2 2 gpm/ft21 gpm/ft22 gpmlft21 gpmlft2 FLAGGED IN THE FIELD PRIOR TO CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO
<br /> ��O ��``� A CARTRIDGE FLOW RATE(gpm} 22.5 11.25 15 5 10 5 DISTURBANCE BEYOND THE FLAGGED CLEARING LIMITS SHALL BE PERMITTED. THE
<br /> w q�� FLAGGING SHALL BE MAINTAINED BY THE CONTRACTOR FOR THE DURATION OF
<br /> �� \� CONSTRUCTION. h
<br /> INLETI© /�[�
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<br /> ----4<_ �� �I_ OUTLET 1 4. THE T.E.S.C.P. FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED PRIOR TO ALL �T�
<br /> fa T- /��qlY CLEARING AND GRADING ACTIVITIES, AND IN SUCH A MANNER AS TO INSURE THAT w '
<br /> 72"I.D.MANHOLE SEDIMENT LADEN WATER DOES NOT ENTER THE DRAINAGE SYSTEM OR VIOLATE
<br /> �'� y ti. STRUCTURE SITE SPECIFIC APPLICABLE WATER STANDARDS.
<br /> DATA REQUIREMENTS 44lit-\\\
<br /> TOP SLAB ACCESS (86")O.D. - 5. THE T.E.S.C.P. FACILITIES SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR •
<br /> STRUCTURE ID * '> '`'
<br /> SEE FRAME AND •'. I ANTICIPATED SITE CONDITIONS. DURING THE CONSTRUCTION PERIOD THESE T.E.S.C.P. ,,.
<br /> COVER DETAIL �• WATER QUALITY FLOW RATE(cfs) 0.014 FACILITIES SHALL BE UPGRADED (e.g. ADDITIONAL SUMPS, RELOCATION OF DITCHES AND
<br /> ,,,,ter starts PEAK FLOW RATE(cfs)
<br /> �a�I,'v"�4h�D, RETURN PERIOD OF PEAK FLOW{yrs) * SILT FENCES, ETC.) AS NEEDED FOR UNEXPECTED STORM EVENTS AND AS THE CITY o
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<br /> �: : #OF CARTRIDGES REQUIRED 5 REQUIRES. , ri'...PLAN VIEWCARTRIDGE F_OW RATE 5 GPMSTANDARD OUTLET RISER ' riMEDIA TYPE CSF,PERLITE,ZPG,GAC,PHS) ZPG 6. THE T.E.S.C.P. FACILITIES SHALL BE INSPECTED DAILY BY THE APPLICANT/ CONTRACTOR
<br /> FLOWKIT:42A - �� �"� R""'- ,_ AND MAINTAINED AS NECESSARY TO ENSURE THEIR CONTINUED FUNCTIONING AND
<br /> ' 'wATESOL'U 10.•�• PIPE DATA: I.E. MATERIAL DIAMETER OPERATION.
<br /> ���♦♦♦♦♦♦;,,� INLET PIPE#1 * * 0
<br /> S �F INLET PIPE#2 * * * 7. THE T.E.S.C.P. FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A �„
<br /> ��� � ��° OUTLET PIPE * * MINIMUM OF ONCE A MONTH OR WITHIN 48 HOURS FOLLOWING A STORM EVENT AND AS z L
<br /> °hstormwte 4 THE CITY DEEMS NECESSARY. _ `^
<br /> E it RIM ELEVATION I * k. Q z
<br /> ANTI-FLOTATION BALLAST WIDTH HEIGHT 5
<br /> 8. STABILIZED CONSTRUCTION ENTRANCES PER CITY STANDARDS, SHALL BE INSTALLED AT
<br /> FRAME AND COVER * * THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT. a.
<br /> CONTRACTOR TO GROUT TO (DIAMETER VARIES) ADDITIONAL MEASURE WILL BE REQUIRED TO INSURE THAT ALL PAVED AREAS ARE KEPT W
<br /> NOTES/SPECIAL REQUIREMENTS:
<br /> FINISHED GRADE N.T.S. CLEAN FOR THE DURATION OF THE PROJECT. W
<br /> GRADE � 9. WHERE SEEDING FOR TEMPORARY EROSION CONTROL IS REQUIRED FAST GERMINATING Z
<br /> RING/RISERS-\,,,
<br /> *PER ENGINEER OF RECORD � ' Z
<br /> GRASSES WILL BE APPLIED AT AN APPROXIMATE RATE OF (e.g. ANNUAL OR PERENNIAL W
<br /> RYE) 80 POUNDS PER ACRE. ALL EXPOSED EARTH SURFACES SHALL BE LANDSCAPED o
<br /> WITH SUITABLE VEGETATION TO PREVENT EROSION FOR THE PERMANENT CONDITION. N
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<br /> { ' I' `. k 10.WHERE STRAW MULCH FOR TEMPORARY EROSION CONTROL IS REQUIRED IT SHALL BE 3 0
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<br /> • "` } APPLIED AT A MINIMUM THICKNESS OF 3 INCHES OR 3,000 POUNDS PEIR ACRE. kJ Ni
<br /> fi FLOATABLES GENERAL NOTES 11.AS CONSTRUCTION PROGRESSES AND SEASONAL CONDITIONS DICTATE AND AS THE CITY
<br /> STORMFILTER ' BAFFLE 1. CONTECH TO PROVIDE ALL MATERIALS UNLESS NOTED OTHERWISE.
<br /> •' d REQUIRES, THE CONTRACTOR SHOULD ANTICIPATE THAT MORE T.E.S.C.P. MEASURES WILL t
<br /> CARTRIDGE 2.DIMENSIONS MARKED WITH()ARE REFERENCE DIMENSIONS.ACTUAL DIMENSIONS MAY VARY. BE NECESSARY TO PROTECT ADJACENT PROPERTIES AND ENSURE MINIMUM WATER
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<br /> ;r- 3. FOR SITE SPECIFIC DRAWINGS WITH DETAILED VAULT DIMENSIONS AND WEIGHTS,PLEASE CONTACT YOUR CONTECH CONSTRUCTION "►1
<br /> =J PRODUCTS REPRESENTATIVE.www.contech-cpi.com QUALITY FOR SITE RUNOFF AND INCLUDE THE COST OF THE ADDITIONAL MEASURES IN LL„I ••►
<br /> 4.STORMFILTER WATER QUALITY STRUCTURE SHALL BE IN ACCORDANCE WITH ALL DESIGN DATA AND INFORMATION CONTAINED IN THIS THE BID AMOUNT. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO ADDRESS
<br /> _ n PI =a DRAWING. DEFICIENT T.E.S.C.P. CONDITIONS AND PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE Z Q
<br /> ,-- -�� a w 5.STRUCTURE SHALL MEET AASHTO HS20 AND CASTINGS SHALL MEET AASHTO M306 LOAD RATING,ASSUMING GROUNDWATER ELEVATION AT, s
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<br /> OR BELOW,THE OUTLET PIPE INVERT ELEVATION.ENGINEER OF RECORD TO CONFIRM ACTUAL GROUNDWATER ELEVATION MINIMUM REQUIREMENTS OUTLINED ON THE APPROVED PLANS. LLI
<br /> �z F- ?� 6. FILTER CARTRIDGES SHALL BE MEDIA-FILLED,PASSIVE,SIPHON ACTUATED,RADIAL FLOW,AND SELF CLEANING.RADIAL MEDIA DEPTH SHALL i O
<br /> INLET PIPE w 12.CATCH BASINS IN THE STREET SHALL BE INSPECTED DAILY BY THE CONTRACTOR. WATER
<br /> j z j BE 7-INCHES.FILTER MEDIA CONTACT TIME SHALL BE AT LEAST 39 SECONDS. LEAVING THE SITE DURING CONSTRUCTION INCLUDING WATER CARRIED BY TRUCK TIRES ~ " o
<br /> D qQ_O 7.SPECIFIC FLOW RATE IS EQUAL TO THE FILTER TREATMENT CAPACITY(gpm)DIVIDED BY THE FILTER CONTACT SURFACE AREA(sq ft). @ N
<br /> 0=o 4 SHALL BE CLEAN. THE CONTRACTOR SHALL CLEAN CITY CATCH BASINS AND IMPLEMENT
<br /> INSTALLATION NOTES EXTRA SEDIMENTATION CONTROL METHODS IF NECESSARY AND AS DIRECTED BY THE CITY Ot Xdti o
<br /> •'n•---• �m_�. 1. AND/OR ANTI-FLOTATION PROVISIONS ARE SITE-SPECIFIC DESIGN CONSIDERATIONS AND SHALL BE NI
<br /> ANY SUB BASE,BACKFILL DEPTH, INSPECTORS. W
<br /> .4., .�. :; 4,•• SPECIFIED BY ENGINEER OF RECORD.
<br /> 2.CONTRACTOR TO PROVIDE EQUIPMENT WITH SUFFICIENT LIFTING AND REACH CAPACITY TO LIFT AND SET THE STORMFILTER STRUCTURE k 13.CONSTRUCTION EROSION CONTROL MEASURES MUST BE IN PLACE AND APPROVED BY THE LLJ ON ELI z
<br /> (LIFTING CLUTCHES PROVIDED).
<br /> FLOW KIT 3.CONTRACTOR TO INSTALL JOINT SEALANT BETWEEN ALL STRUCTURE SECTIONS AND ASSEMBLE STRUCTURE. INSPECTOR PRIOR TO ANY EARTH DISTURBANCE. it....OUTLET SUMP- 4.CONTRACTOR TO PROVIDE,INSTALL,AND GROUT INLET PIPE(S). 0 O
<br /> HDPE OUTLET RISER 5.CONTRACTOR TO PROVIDE AND INSTALL CONNECTOR TO THE OUTLET RISER STUB.STORMFILTER EQUIPPED WITH A DUAL DIAMETER HDPE N 14.NO SEDIMENT SHALL BE TRACKED ONTO PAVED STREETS OR ROADWAYS. SEDIMENT SHALL `'
<br /> OUTLET STUB AND SAND COLLAR.IF OUTLET PIPE IS LARGER THAN 8 INCHES,CONTRACTOR TO REMOVE THE 8 INCH OUTLET STUB AT MOLDED BE REMOVED FROM TRUCKS AND EQUIPMENT PRIOR TO LEAVING THE CONSTRUCTION SITE. Z a
<br /> IN CUT LINE.COUPLING BY FERNCO OR EQUAL AND PROVIDED BY CONTRACTOR. @ STREET SWEEPING SHALL BE CONSIDERED AN EMERGENCY MEASURE AND NOT A BASIC ,t"�
<br /> SECTION A-A I COMPONENT OF THE TESC SYSTEM. 0
<br /> 6.CONTRACTOR TO TAKE APPROPRIATE MEASURES TO PROTECT CARTRIDGES FROM CONSTRUCTION-RELATED EROSION RUNOFF.
<br /> .„\ �,� \�,� 15.A PRE-CONSTRUCTION MEETING IS REQUIRED BETWEEN OWNERS REPRESENTATIVES
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<br /> ;r *A, 6� L CONTRACTOR, AND EXCAVATION
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<br /> �` ��a\� ���� ��� (GEOTECHNICAL SPECIAL INSPECTOR, GENERA
<br /> ONSTRI C. Ia s RO,Du:�� .N.�. q O M 'E. CONTRACTOR) AND SITE INSPECTOR.
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<br /> a�r, ',':‘,.=',;,&':,=:-.:=, '''','''''' ''1!=''uu. u.. 16.FROM OCTOBER 1 TO APRIL 30, NO SOIL SHALL REMAIN UNSTABILIZED FOR MORE THAN 2
<br /> �u�����o��� s �o������o�oo������������������m���o����������m����oo����������o��������o�����. ���� ��o���������w�a���u���������s�������� , ,;,..,.,,.-
<br /> ..� ��.���������s�����������s������� �� ������� � �� ������ ��������������������������������������������������������..����������������������������������������������������� , , DAYS. FROM MAY 1 TO SEPTEMBER 30, NO SOILS SHALL REMAIN UNSTABILIZED FOR MORE
<br /> THAN 7 DAYS. STABILIZE ALL SOILS, INCLUDING STOCKPILES THAT ARE TEMPORARILY O
<br /> EXPOSED. II
<br /> CONIRIENILMIDEE L.
<br /> 17.AFTER CONSTRUCTION BUT BEFORE PROJECT IS CONSIDERED COMPLETED, PERMANENTLY
<br /> C 1. CONTACT THE CITY OF EVERETT STREET USE SECTION AND SCHEDULE A PRECONSTRUCTION MEETING. STABILIZE ALL EXPOSED SOILS THAT HAVE BEEN DISTURBED DURING CONSTRUCTION.
<br /> 18.USE ONE OF THE FOLLOWING TO PREVENT THE TRANSPORT OF SEDIMENT FROM THE SITE:
<br /> 2. NOTE: THE INTENT OF THESE EROSION CONTROL PLANS IS TO RETAIN ALL CONSTRUCTION STORMWATER ON-SITE. FILTER FENCE, STRAW BALE BARRIER BRUSH BARRIER, GRAVEL FILTER BERM, SEDIMENT L cd
<br /> POND OR SEDIMENT TRAP. SANDBAGS MAY ALSO BE UTILIZED TO PREVENT SEDIMENT cc -,
<br /> L.FROM BEING DISCHARGED OFFSITE. RETAINING NATURAL VEGETATION AND BUFFER ZONES v
<br /> 3. AN ESC SUPERVISOR MUST BE OBTAINED PRIOR TO CLEARING AND GRADING. THE ESC SUPERVISOR SHALL INSPECT ARE ENCOURAGED, BUT MAY NOT BE USED AS A SUBSTITUTE. W N
<br /> THE SITE WEEKLY DURING THE WET SEASON AND MONTHLY DURING THE DRY SEASON. INSPECTIONS SHALL ALSO BE
<br /> CONDUCTED AFTER A STORM EVENT OF 0.5 INCHES OF RAINFALL WITHIN A 24 HOUR PERIOD. THE ESC SUPERVISOR 19.PREVENT SEDIMENT FROM ENTERING ALL STORM DRAINS, INCLUDING DITCHES THAT
<br /> SHALL INSPECT THE CLEARING LIMITS, COVERING, PERIMETER PROTECTION, SEDIMENT RETENTION, SURFACE WATER RECEIVE RUNOFF FROM THE DISTURBED AREA, BY INSTALLING STORM DRAIN INLET O.pEe,
<br /> CONTROL, TRAFFIC AREA STABILIZATION, TRACKING OF MUD, AND DUST CONTROL. INSERTS, USING SANDBAGS AND VACUUMING SEDIMENT FROM IMPERVIOUS SURFACES. , .oF vi&p, �'P
<br /> 4. INSTALL FILTER FABRIC FENCE, CB PROTECTION, SEDIMENT TRAP AND OTHER T.E.S.C. MEASURES AS INDICATED ON 20.DURING CONSTRUCTION, PREVENT THE INTRODUCTION OF POLLUTANTS IN ADDITION TO -• p-
<br /> THE EROSION CONTROL PLAN. SEDIMENT INTO STORMWATER. COMPLY WITH THE REQUIREMENTS FOR EACH OF THE t:>f� E' �4,
<br /> FOLLOWING CONSTRUCTION RELATED ACTIVITIES: PESTICIDE CONTROL, HANDLING 4, 44;1si5, ° '
<br /> 5. POST NOTICE OF ACTIVITY SIGN WITH NAME AND PHONE NUMBER OF ESC SUPERVISOR. PETROLEUM PRODUCTS NUTRIENT APPLICATION, SOLID WASTE HANDLING/DISPOSAL OR � CONAL E \
<br /> USE OF CHEMICALS DURING CONSTRUCTION.
<br /> 6. INSTALL TEMPORARY CONSTRUCTION ENTRANCE(S). 21.IN ORDER TO PREVENT TRACKING, TRUCKS SHALL BE LOADED FROM A DESIGNATED
<br /> LOADING AREA AND NOT ENTER THE EXCAVATION AREA. ANY SPILLS THAT OCCUR IN
<br /> 7. ALL TEMPORARY AND PERMANENT EROSION CONTROL MEASURES SHALL BE MAINTAINED AND REPAIRED AS NEEDED THE LOADING AREA SHALL BE SHOVELED OR SWEPT CLEAN.
<br /> TO ASSURE CONTINUED PERFORMANCE. THESE MEASURES SHALL BE REPAIRED TO THEIR ORIGINAL DESIGN 22.INSPECT AND MAINTAIN REQUIRED EROSION CONTROLS TO ENSURE CONTINUED Q 0
<br /> B CONDITION. PERFORMANCE OF THEIR INTENDED FUNCTION. o
<br /> 8. INSTALL NEW UTILITIES AND STORM DRAINAGE STRUCTURES AS REQUIRED. INSTALL CATCH BASIN PROTECTION ON 23.STREET USE PERMIT SHALL BE OBTAINED FOR TEMPORARY DRAINAGE DISCHARGE,
<br /> 0 0
<br /> NEW STORM DRAINAGE STRUCTURES. MULCH EXPOSED SOILS AFTER UTILITY INSTALLATION. SIDEWALK CLOSURE AND/OR MATERIAL STORAGE IN STREET AND/OR ALLEY
<br /> RIGHT-OF-WAY.
<br /> 9. RELOCATE SURFACE WATER CONTROLS AND EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO THAT AS
<br /> SITE CONDITIONS CHANGE THE EROSION AND SEDIMENT CONTROL IS ALWAYS IN ACCORDANCE WITH EROSION AND MATERIALS AT JOB SITE: 5.: m
<br /> SL.
<br /> EDIMENT CONTROL STANDARDS. o W
<br /> 1. CONSTRUCTION EROSION CONTROL MEASURES MUST BE IN PLACE AND8 0 z
<br /> 10. DURING THE CONSTRUCTION PERIOD, ANY AND ALL POLLUTANTS OTHER THAN SEDIMENT WHICH ARE USED ON SITE APPROVED BY DPD BEFORE ANY EARTH DISTURBANCE. CALL (206) = a 5 o W
<br /> - SHALL BE HANDLED AND DISPOSE OF IN A MANNER WHICH DOES NOT CAUSE CONTAMINATION OF STORMWATER. 684-8860 TO SCHEDULE AN INSPECTION FOR THIS ITEM. " '¢ a "6 g
<br /> ��// you 2. NO SEDIMENT SHALL BE TRACKED ONTO PAVED STREETS OR ROADWAYS.
<br /> 11. FINAL GRADE AND PAVE SITE. NO o t s® �' 0CCC�S.S - O'" ' �' lm SEDIMENT SHALL BE REMOVED FROM TRUCKS AND EQUIPMENT BEFORE 0
<br /> LEAVING THE CONSTRUCTION SITE. IN THE EVENT OF H
<br /> 7,,,,,?,v4 k/SPOT C�Lra�nel zatd, l�'�I, FAILURE OF T E a12. LANDSCAPE ALL EXPOSED AREAS. TESC SYSTEM RESULTING IN SEDIMENT TRACKING ONTO PAVEMENT, THE C7 c,
<br /> CONTRACTOR SHALL IMPLEMENT MEASURES IMMEDIATELY TO CORRECT a a
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<br /> 13. CLEAN STORM DRAINAGE SYSTEM (DO NOT FLUSH) AFTER VEGETATION HAS BEEN ESTABLISHED. THE SITUATION.
<br /> 3. THE CONTRACTOR SHALL EMPLOY EMERGENCY MEASURES TO REMOVE
<br /> 14. REMOVE ALL EROSION CONTROL MEASURES WHEN ENTIRE SITE IS STABILIZED. ALL TEMPORARY EROSION CONTROL SEDIMENT FROM PAVED SURFACES, AS NEEDED. STREET SWEEPING ec
<br /> L. "
<br /> SHALL BE CONSIDERED AN EMERGENCY MEASURE AND NOT A BASIC
<br /> A MEASURES SHALL BE REMOVED 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THEY ARE NO LONGER NEEDED. COMPONENT OF THE TESC SYSTEM. SEDIMENT TRACKED ONTO PAVED m > 1.1
<br /> -
<br /> TRAPPED SEDIMENT SHALL BE REMOVED OR STABILIZED ON-SITE. DISTURBED AREAS RESULTING FROM SEDIMENT SURFACES SHALL NOT BE WASHED INTO STORM DRAINS OR OTHER W Z o m =
<br /> REMOVAL SHALL BE PERMANENTLY STABILIZED. UTILITY INLETS. 3 N
<br /> PLAAPPRrVED IM._ W o s o
<br /> 15. INSPECT DRAINAGE FACILITIES AND REMOVE ANY ACCUMULATED SEDIMENT TO INSURE PROPER FUNCTION OF FACILITY. 0 o
<br /> 16. FINAL INSPECTION.
<br /> PUBLIC SERVI ES DATE ,ter/
<br /> / PUBLIC WORKS. Cel 2 Working Days Before You Dig SHEET
<br /> ERS^' N ORA'S:A=E DEF'ARiMENT 1-800-424-5555
<br /> 19th TO A PUBLISTARTING A': ClNSTRUGIIOU ON THIS
<br /> C WOES'>PERMIT IS REUUIREDPRIOR UIl .Underground Location Center Cl.
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<br /> s / AntunlTinNAt P t� C}"RENT STANDARDS
<br /> /rick---- AND EXPIRES '.. , U^•c55 EtKMII
<br /> i��tt FOR CONSTRUCTION HAS BEEN ISSUED
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