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Plans (100) 5rp X1 - ) DEVELOPER EROSION AND SEDIMENT CONTROL PLANS FOR z a - MISSION HOMES NW, LLC20 PO BOX 1689 a' ^Si .. a \ _ LAKE OSWEGO, OR 97035 SW ASFORD J = .,p PHONE: (503)781-1814 �o 3 a z FAX: (503) 570-8828 DURHAM W CONTACT: KURT DALBEY ,, --I PLANNING/ENGINEERING/ z v * 1! SW SEVILLE RD SURVEYING FIRM l 0 C T 1 g 2016 1,2 swBorTDSL N pACFlCKULTANTS, INC.R ���A �J 9 OREGON r{,` '' w S DURHAM-D WAS-IINGTON Cr PACIFIC S.W. SEQUOIACORPORATE PARKWAY, FC `� .� � � w� SUITE 150 TIGARD, OREGON 97224 503)684-0652 BUILDING DIVISION aE.So w1.* 1� ��Q9 PHOFAX:NE:X503)624-0157 5..� L N =F O19 '^6 • win `off CONTACT: KEN SANDBLAST,AICP - V1.E„T p� °+`' 05 JEFF VANDERDASSON,PE SEDIMENTw p c7 0 0 QBE poi STANDARD EROSION AND CONTROL PLAN DRAWING NOTES a��a �z F'.4; o.a j5�0 N SW ROSEWOOD NARRATIVE DESCRIPTIONS 1. All permit registrants must implement the ESCP.Failure to implement any of the control measures or practices described in ado 0S ac -- the ESCP is a violation of the permit. U W �E 0 a EXISTING SITE CONDITIONS 2. The ESCP measures shown on tis plan are minimum requirements for anticipated site conditions. During the construction iSj �g 'cox 3 period,upgrade these measures as needed to comply with all applicable local,state,and federal erosion and sediment Z a.,o y *THE PROPERTY CONTAINS A SMALL SHED.THERE ARE control regulations. W w�E: TREES ON SITE, ALONG WITH A GRAVEL ACCESS ROAD. THE 3. Submission of all ESCP revisions is not required Submittal of the ESCP revisions is only under specific conditions. Submit SITE IS GENERALLY GRADED TO THE NORTHWEST TOWARDS all necessary revision to DEQ or Agent THE ON SITE FANNO CREEK. 4. Phase clearing and grading to the maximum extent practical to prevent exposed inactive areas from becoming a source of erosion. bN DEVELOPED CONDITIONS 5. Identify,mak and protect(by fencing off orother means)critical riparian areas and vegetation including important trees BMP MATRIX FOR CONSTRUCTION PHASES I I and associated rooting zones,and vegetation areas to be preserved. Identify vegetative buffer zones between the site and Req TD DEO GUIDANCE MANUAL FOR A COMPREtiB43NE LIST OF VICINIF MAP NOT o a� *GRADED EMPTY LOTS senst a areas(e.g.,wetlands),and o her areas to be preserved,espeespecially in pe meter areas. AVAA.AELE ars. ^ ' 6. Preserve existing vegetation when practical and -vegetate open areas.Re-vegetate open areas when practicable before and I( jam/ NATURE OF CONSTRUCTION ACTIVITY AND after grading or construction.Identify the type of vegetative seed mix used. ESTIMATED TIME TABLE 7. Erosion and sediment control measures including perimeter sediment control must be in place before vegetation is disturbed 2016: and must remain in place and be maintained,repaired,and promptly implemented following procedures established for the . MASS FINAL WET WEATHER duration of construction,including protection for active storm drain inlets and catch basins and appropriate non-stormwater *CLEARING (SEPTEMBER) pollution controls. - CLEARING GRADING_ STABIUZATION (OCT.1-MAY 31ST) *MASS GRADING(SEPTEMBER/OCTOBER) 8. Establish concrete truck and other concrete equipment washout areas before beginning concrete work, EROSION PREVENTION *FINAL STABILIZATION (OCTOBER) 9. Apply temporary and/or permanent soil stabilization measures immediately on all disturbed areas as grading progresses and pRESERvicNATURAL VEGETATION X X X X / ''''',...,,,,,.,,,_/,/,/,2' for all roadways including gravel madcap. GROUND COVER - X X D �„ / TOTAL SITE AREA = 155810 SF 10. Establish material and waste storage areas,and other non-stormwater controls. HYDRAuuC APPLICATIONS \'` •'/ / = 3.58 ACRESPLASTIC SHEETING �/ I- / �O�aw 11. Prevent tracking of sediment onto public or private roads using BMPs such as:graveled(or paved)exits and.parking areas, X I`/+I W ' .*1';-- .,,. ',A,'( gravel all unpaved roads located onsite,or use an exit tire wash.These BMPs must be in place prior to land-disturbing MATS' - X X X W TOTAL DISTURBED AREA = 71422 SF activities. DusrcOxnmL X X X X / n,/-�, _ • '' , = 1.64 ACRES 12. When trucking saturated soils from the site,either use water-tight trucks or drain Wads on'site. rcemnOARYIPERMANENT SEEDING X V / z 13. Use BMPs to prevent or minimize stormwater exposure to pollutants from spills;vehicle and equipment fueling,maintenance, BUFFER ZONE (,9 Q. and storage;other cleaning and maintenance activities;and waste handling activities. These pollutants include fuel,hydraulic OTHER: SITE SOIL CLASSIFICATION: DC fluid,and other oils from vehicles and machirlerr,as well as debris,leftover paints,solvents,and glues from construction SEDIMENTCOINROL - 0 • CHEHALIS SILTY CLAY LOAM, OCCASIONAL operations. oeneu a peeocpEwNEER) X X X X OVERFLOW 4. Implement the following BMPs when applicable:written spill prevention and response procedures,employee paining on spill sF IMFMFENDE(INTERIOR). X X X X --:\ ,-,/ HILLSBORO LOAM, 3 TO 7% prevention and proper disposal procedures,spill ills in all vehicles,regular maintenance schedulefor vehicles and machinery, cr material detive and storage controls,frainin and signage,and covered storage areas for waste and supplies. SToinwoe ES X X X Q Z ,„0."40ij MCBEE SILTY CLAY LOAM ry 9 9 , 9 pPi FILTER BERM cD 0 "°� ` 15. Use water,soil-binding agent or other dust control technique as needed to avoid wind-blown sail. INLET PRWccaas X X X X I= I �,- RECEIVING WATER BODIES: 16. The application rate of fertilizers used to reestablish vegetation must follow manufacturers recommendations to minimize DBwamwc O • I/ �, � FANNO CREEK nutrient releases to surface waters. Exercise eeutien when using time-release fertilizers within any waterway riparian zone. DEWATEnem. N ll!l1111jj 17. If a stormwater treatment system(for example,electro-coagulation,flocculation,filtration,etc.)for sediment or other SEDIMENT } pollutant removal is employed,submit an operates and maintenanceplan(includingstem schematic,location of NAIDRALBUFPERENCROADNnENr X* X. X* X* A" P P%' P �' ism, OTHER: `-� location of inlet,location of discharge,discharge dispersion device design,and a sampling-plan and frequency)before T operating the treatment RUNOFFCONIINIL �1�. .....„...4.,.. p g system.Obtain plan approval before operating the treatment system. Operate and maintain the PERMITTEE'S SITE INSPECTOR, treatment system according to manufacturer's specifications. CONSTRUCTOR RULE X X X X 18. At the end of each workday soil stockpiles must be stabilized or covered,or other BMPs must be implemented to prevent PIPE SLOPEORNN COMPANY: WESTLAKE CONSULTANTS discharges to Surface waters or conveyance systems leading to surface waters. OUTLET PROTECTION PHONE: 503-648-0652 19, Construction activities must avoid or minimize excavation and creation of bare ground during wet weather October 01-May SURFACE ROUGHENING X CONTACT: SHAD HANEY 31. CHECK DAMS E-MAIL: SHANEY@WESTLAKECONSULTANTS.COM 20. Sediment fence:remove trapped sediment before it reaches one third of the above ground fence height and before fence OTHER: ' removal PoLLU710NPREec.ac ON Q DESCRIPTION OF EXPERIENCE: 21. Other sediment barriers(such as biobags):remove sediment before it reaches two inches depth above ground height.and PROPER MACE x X X X t 15 YEARS EXPERIENCE IN CONSTRUCTION MANAGEMENT AND before BHP removal. uezwasa000seT x X X X LOCATION MAP SUPERVISION INCLUDING INSTALLATION AND INSPECTION OF 22. Catch basins:clean before retention capacity has been reduced by fifty percent.Sediment basins and sediment traps:remove SPILL NTONSIre X X X - X scvz*-x00' EROSION AND SEDIMENT CONTROL BMP'S. trapped sediments beforedesign capacity has been reduced by fifty percent and at completion of project. CDNQiEEEwsoecoraiFA X X X X 23. Within 24 hours,significant sediment that has let the construction site,must be remediated. Investigate the cause of the 'oIGNIRESAODITIONALBMP'S REQUIRES FOR WOReWFrHINSP OF WATER OF THE STATE sediment release and implement steps to prevent a recurrence of the discharge within the some 24 hours. Any in-stream "SIGNIFIES DMP TNArVALL BE INSTALLED PROMO ANraeausooSTURBINGACIM(Y r clean up of sediment shall be performed according to the Oregon Division of State Lands required timeframe 24. The intentional washing of sediment into storm sewers or drainage ways must not occur. Vacuuming or dry sweeping and bee, N INSPECTION FREQUENCY: material pickup must be used to cleanup releas=.l sediments. s, SITE CONDITION MINIMUM FREQUENCY 25. Provide permanent erosion control measures on all exposed areas.Do not remove temporary sediment control practices unld W�'�a zo�oN � permanent vegetation or other cover of exposed areas is established.However,do remove all temporary erosion control Z .v p w 1. ACTIVE PERIOD WEEKLY WHEN STORMWATER RUNOFF', measures as exposed areas become stabilized,cnless doing so conflicts with local requirements.Prapedy dispose of RATIONALE STATEMENT . .- a W LV '- PROPERTY LOCATION: INCLUDING RUNOFF FROM SNOWMELT, construction materials and waste,including sediment retained by temporary BMPs. - 2 m T Y 1. IS OCCURRING, 26. If vegetative seed mixes are specified,seeding rust take place no later that September 1;the type and percentages of seed A COMPREHENSIVE LIST OF AVAILABLE BEST MANAGEMENT PRACTICES(BMP)OPTIONS BASED ON P= �i GENERALLY LOCATED TO THE SOUTH OF SW DURHAM RD AND AT LEAST ONCE EVERY MONTH, in the mix must be identified on the plans. DEQ's GUIDANCE MANUAL HAS BEEN REVIEWED TO COMPLETE THIS EROSIONANDSEDIMENT �{ w ' SW 74TH AVE. REGARDLESS OF WHETHER 27. All pumping of sediment laden water shall be discharged over an undisturbed,preferably vegetated area,and through a CONTROL PLAN.SOME OF THE ABOVE LISTED BMP's WERE NOT CHOSEN BECAUSE THEY WERE a STORMWATER RUNOFF IS OCCURRING. sediment control BMP i.e.(filer bag). - LATITUDE: 45'24'70",LONGITUDE: -122'45'16" 28. All exposed soils must be covered during the sot weather period,October Si-May 31, DETERMINED TO NOT EFFECTIVELY MANAGE EROSION PREVENTION AND SEDIMENT CONTROL FOR INEY pUwN6 ARE INE ne*'sett6 2. PRIOR TO THE SITE ONCE TO ENSURE THAT EROSION AND THIS PROJECT BASED ON SPECIFIC SITE CONDITIONS,INCLUDING SOIL CONDITIONS TOPOGRAPHIC ensnarE cossw.T,wrs INC.VC)NO BECOMING INACTIVE OR IN SEDIMENT CONTROL MEASURES ARE IN 29. If water of the slate is within the project site o:within 50 feet of the project boundary,maintain the existing natural buffer CONSTRAINTS,ACCESSIBILITY TO THE SITE, AND OTHER RELATED CONDITIONS. AS THE PROJECT ARE NOT TO eEiEeBmwmwarc ANTICIPATION OF SITE WORKING ORDER. ANY NECESSARY within the 50-foot zone for the duration of the permit coverage,or maintain less than the entire existing natural buffer and WTN THE mrmi additional erosion and sediment control SMPs. PROGRESSES AND THERE IS A NEED TO REVISE THE ESC PLAN, AN ACTION PLAN WILL BE AERwssox a wa �_ PROPERTY DESCRIPTION: INACCESSIBIU7Y. MAINTENANCE AND REPAIR MUST BE provideSUBMITTED. MADE PRIOR TO LEAVING THE SITE �/'�y®' TAX MAP 2S713BA, TAX LOT 100 3. INACTIVE PERIODS ONCE EVER'?MONTH. INITIAL -lx,V err GREATER THAN FOURTEEN gym. (14)CONSECUTIVE 0 CALENDAR DAYS. _ m ATTENTION EXCAVATORS: 4. PERIODS DURING WHICH IF PRACTICAL,INSPECTIONS MUST is 8 THE SITE IS INACCESSIBLE OCCUR DAILY AT A RELEVANT AND . . OREGON LAW REQUIRES YOU TO FOLLOW RULES ADOPTED BY THE DUE TO INCLEMENT ACCESSIBLE DISCHARGE POINT OR _ OREGON UTILITY NOTIFICATION CENTER. THOSE RULES ARE SET FORTH IN WEATHER. DOWNSTREAM LOCATION. OAR 952-001-0010 THROUGH OAR 952-001-0090. YOU MAY OBTAIN 5.PERIODS DURING WHICH MONTHLY.RESUME MONITORING UPON 23 COPIES OF THESE RULES FROM THE CENTER BY CALLING DISCHARGE IS UNLIKELY MELT,OR WHEN WEATHER SHEET INDEX •, 503-232-1987. IF YOU HAVE ANY QUESTIONS ABOUT THE RULES, YOU DUE TO FROZEN CONDITIONS MAKE DISCHARGES g MAY CONTACT THE CENTER. YOU MUST NOTIFY THE CENTER AT LEAST CONDITIONS. LIKELY. - Z TWO BUSINESS DAYS, BEFORE COMMENCING AN EXCAVATION. CALL *HOLD A PRE-CONSTRUCTION MEETING OF PROJECT NAME: CITY OFTIGARD • - 503-246-6699. CONSTRUCTION PERSONNEL THAT INCLUDES THE INSPECTOR N0, P O TO DISCUSS EROSION AND SEDIMENT CONTROL MEASURES 1200-CN COVER SHEET C200 LAND USE CASE FILE 8 DQ • AND CONSTRUCTION LIMITS. w O THE PERMII ILL IS REQUIRED TO MEET ALL THE CONDITIONSEXISTING CONDITIONS, DEMOLITION, AND EROSION CONTROL PLAN C201 MLP20T6-00001 o OF THE 1200 CN PERMIT. THIS ESCP AND GENERAL *ALL INSPECTIONS MUST BE MADE IN ACCORDANCE WITH SLR2016-00003 "��v �y A0 O CONDITIONS HAVE BEEN DEVELOPED TO FACILITATE DEQ 1200-CN PERMIT REQUIREMENTS. CI 1 1 LJ ��GAR D - f131° COMPLIANCE WITH THE 1200 CN PERMIT REQUIREMENTS.IN *INSPECTION LOGS MUST BE KEPT IN ACCORDANCE WITH GRADING AND EROSION CONTROL PLAN C202 - N an CASES OF DISCREPANCIES OR OMISSIONS, THE 1200C PERMIT DEQ's 1200 CN PERMIT REQUIREMENTS. EROSION CONTROL DETAILS 0203 REQUIREMENTS SUPERCEDE REQUIREMENTS OF THIS PLAN. I Approved b P�nn�ng *RETAIN A COPY OF THE ESCP AND ALL REVISIONS ON SITE m 1-W‹ Q AND MAKE IT AVAILABLE ON REQUEST TO DEQ,AGENT, OR ,.r� THE LOCAL MUNICIPALITY. DURING INACTIVE PERIODS OF ate (9 l o o I- GREATER THAN SEVEN(7)CONSECUTIVE CALENDAR DAYS, Date`c^ O RETAIN THE ESCP AT THE CONSTRUCTION SITE OR AT w _ ANOTHER LOCATION. ,�1/� z m Initials: • ' j SHEET v=) C200 es JOB 2312-017 §x 53 sn z i� z � • KEYNOTES S O REMOVE EXISTING BUILDING a la 20 REMOVE EXISTING FENCE N • O3 REMOVE EXISTING WIRES // w ' ® REMOVE EXISTING POLES c� ao' 0 20' 40' 80' \. / Z O5 UTILITIES \ >. H \ 15' DEDICATION / PSS 3.613 Sp.FT. / \ \� \ \ / SCALE: 1 INCH = 40 FEET / j "'�\ \ •\ ".f/ / PRE-CONSTRUCTION, CLEARING. AND DEMOLITION NOTES: W/ W t:y "// qo\ C .,I2 1. ALL BASE ESC MEASURES(INLET PROTECTION. PERIMETER—$EDIMFNT CONTROL, / GRAVEL CONSTRUCTION ENTRANCES, ETC)MUST BE IN PLACE, FUNCTIONAL, AND /r W /"' '� „�`•`\ �\� � • qO W 2 rq oNz APPROVED IN AN INITIAL INSPECTION, PRIOR TO COMMENCEMENT OF �' ,.,/ i%"• -I l y \\�1 ` ''DEDICATION \\\ / v W ��o CONSTRUCTION ACTIVITIES. \'*; „�„/ // / 1�! - / c>�'o 2. SEDIMENT BARRIERS APPROVED FOR USE INCLUDE SEDIMENT FFNCF RFRM$ I % / '+ III: ,i I S • "• \ \\ / 2 6� CONSTRUCTED OUT OF MULCH. CHIPPINGS. OR OTHER SUITABLE MATERIAL. 1 \�y �i�Wy tk Iil-!'yl' \ • . / W w»E: STRAW WATTLES, OR OTHER APPROVED MATERIALS. I 'r•\ W ./.•41/„//,/,/ , o • - / {. r • kJl © - (7,-_,A,$.,,, ....;;\I " �\ HAZARDOUS WASTE, PEM a,037 50.FT. .,. W / 3.SENSITIVE RESOURCES INCLUDING, BUT NOT LIMITED TO, TREES, WETLANDS, AND TRACT AFS. W/„/ l�l 1 I @le+ 2.:� . SOLID WASTE, / RIPARIAN PROTECTION AREAS SHALL BE CLEARLY DELINEATED WITH ORANGE �, ,�"/ \ ,,//.!4/t X ,44.44•117.V55, -..,_`,..,''...''' ,. hi.' ' - FUEL STORAGE, CONSTRUCTION FENCING OR CHAIN LINK FENCING IN A MANNER THAT IS /,� /v/7I • , h,....4:4:44•44$0,i1.00-2p,, 1t--=t • ''SND FUELING AREA CLEARLY VISIBLE TO ANYONE IN THE AREA. NO ACTIVITIES ARE PERMITTED TO W m k/ ! !(..i +.OXVI pa't-� / / '\\ LJ OCCUR BEYOND THE CONSTRUCTION BARRIER. SENSITIVE AREA SETBACK BUFFER LINE I * , /!/,I /• ,,fir, " �> t\ / Wk,.� i 1-\ r / ./. 46 %ris,TION 4.CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF • I r/ �! ,,.�,© �. I �'/���� ®�ry� �qp o=m \ �^r, CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT. /y"' .. / /;//l''/A..t ! / /� / i \<:°�.1� 1 ' ADDITIONAL MEASURES INCLUDING, BUT NOT LIMITED TO, W •N •NI =/ p/, \ 'yV 1 / VACUUMING MAY BE REQUIRED TO INSURE THAT ALL PAVED AREAS ARE KEPT \ / ___r '�I/'% 4 ) Eli/ //�l ' / ��I'" CLEAN FOR THE DURATION OF THE PROJECT.'7 /�o�, t i // T I fr \\ Q 5.RUN-ON AND RUN-OFF CONTROLS SHALL BE IN PLACE AND FUNCTIONING PRIOR i FT!�-"�/ '. � M /./� Iv-/ 7' A. / /l `' TO BEGINNING SUBSTANTIAL CONSTRUCTION ACTIVITIES. RUN-ON AND RUN-OFF i auF°EF,n e" - j: "y % / /i 'O \\ O z CONTROL MEASURES INCLUDE: •• •••IN WITH •U T P .• • „7 f' 2>7 ° �YI / ,, ��JJ F-4 CHECK DAMS. SURFACE ROUGHENING. AND BANK STABILIZATION. 'j /%/••, _ /O j 0.` M % //,, / /// --I J PER 376 S0.FT. `' i .� i//`W t , / , �ay�,^/^ STOCKPILE W__I I •i r � _�;ptl. t.a/s,\ t / / I /^�7' / / AREA IY y� ,,�:r / I Parcel 11 //'-' vi z /'4// / ,d'/�/,,:,:'- / // S /114114 ; ' p FOV � � ��`f / / t ,./., t— V 0 05' T �l � cc � '''''''' ,...ays,,,q, /___ 4_ ruji, ,..,..:. I \ \ opo E-'''' / ////////,'>' _. /%7 LEGEND N 77 Z 0 //;; j O \ �o.R�"P / I 'G� J( TREE TO BE REMOVED ...---"-• ....0�� i � / �O EROSION CONTROL LEGEND s//‘;j� ice o\ FP''‘'.==•::__;.__ . > °/�°* -/' —XX— ORANGE PERIMETER SEDIMENT epo'L' 1 i / N -•y 132-� ���777... FENCE SEE CWS DRAWING NO. 875. I Pe I �'�`�t ,/ / //by�. / ��,,q —//— INTERIOR SEDIMENT FENCE SEE CWS •' 6, N / Xk� `�A rr dg \� � i pP�yr DRAWING N0. 875. ew Z5>0'Vr.-"t n y - ] i;---.,:,...„•,,,,,,....^.-_-,,,,,,-,==.---",,,-- / i?IJ �J WATTLES SEE CWS DRAWING NO. / / , /,��)or �, i !�J.7........:1417;41-' > �� V 880. .`ten N cai N / I//Wiz�. ///\`` J� �. ` _ \-41.-.. / 0•11#' ,s NOTE PRE-DEVELOPED RUN-OFF SHEET FLOWS �p t _ _ PRIMARILY TO THE EXISTING CREEK NORTHWEST OF THE INLET PROTECTION {p w /1J/ -/'/ •`'1'�• ./ *4'#ow \O 5 PROPERTY. R z / k/ VI I1�I7ii.- "\ •`` •\.. 132 / 'ril / "Parl �� 'S \�f. GRAVEL CONSTRUCTION ENTRANCE w I / / 'tom/ �\ \\ ,i.---%-''.'4.-:-:-...--...----'---'''' ___-K�_'�• % C+• ,... SEE CWS DRAWING NO. 855. �/\ 3 ��/ THESE EROSION AND SEDIMENT CONTROL PLANS ASSUME "DRY •EsEDRAWs.BEmePROPERTYOF // t s ep \l 1 1 .S�i '.�'i / I ARE NOT BE REPRM WC.IN MY o �I WEATHER" CONSTRUCTION. "WET WEATHER" CONSTRUCTION MANNER EXCEPT wwe ww nx \ /.. � ` w' 7 ..... MAamon of WO �1 f is / 0 MEASURES NEED TO BE APPLIED BETWEEN OCTOBER 1ST AND DRAINAGE FLOW DIRECTION // ` , I a.\t\L '^ **## I# MAY 31ST. 5' / ,-,.....v.,,••_, t /"7 #' EXISTING CONDI11ONS LEGEND 9/ / tm ,ry°,2,,t�;,L9 h c� / / �I/ • FOUND MONUMENT AS NOTED ® ELECTRIC RISER .aE. MAIL BOX T UNDERGROUND TELE-COM s f /�.!/ C' w / / w 121..q€ - I//1/,z / t r / / - S0 SANITARY SEWER MANHOLE n ELECTRIC VAULT DECIDUOUS TREE —x—FENCE AS NOTED w o I// / a/ / / 7 `O o CLEANOUT ❑p ELECTRIC BOX 24 VERGREEN TREE /`/ —7 EDGE OF PAVEMENT I// �. I A . / �� 1511 CATCH BASIN OR DITCH INLET 0 ELECTRIC METER J," UTILITY VAULT / ue'// / / / �/ ��-'`-� BRUSH Be TREE DRIPLINE $ i ; !_ �'�/ �� > STORM SEWER CULVERT END O ELECTRIC TRANSFORMER $ UTILITY STUB UP '—" \ \BUILDING FOOTPRINT UNE F O o i% 0 ROOF DRAIN i`F LIGHT POLE o_ M / ig AIR CONDITIONING UNIT HCR HANDICAP RAMP � 1 10 viv o CO 'g co°I�j / / Dd WATER VALVE d GAS METER I' -;I CONCRETE I.R. IRON ROD - w O Sc o 1 ' A GAS VALVE GRAVEL ® WATER METER -,:� TYP. TYPICAL Cp ' ❑ TELEPHONE RISER ss—UNDERGROUND SANITARY SEma . WER LINE W/YPC WITH YELLOW PLASTIC CAP O 8 CWM u' I , FIRE HYDRANT Tx N °' O In DEPT.CONNECTION TELEPHONE VAULT so UNDERGROUND STORM DRAIN LINE 1 // ® WATER MANHOLE Q TELEPHONE MANHOLE x UNDERGROUND WATER LINE 1 . TELEPHONE C WATER VAULT O FLAG POLE E UNDERGROUND POWER z a Q rra' R4 IRRIGATION CONTROL VALVE MU BIKE RACK c UNDERGROUND GAS UNE Inn i_. z m SHEET (I) ` C201 I t 73 X062312-017 5� • 6 KEYNOTES 2 mI ;m. (:) SLOPE MATTING PER CWS DETAIL 805 ON C203 a, °'o r 40' 0 20' 40' eo' ( INSTALL ULTRABLOCK WALL PER PROJECT GEOTECH / • 5, I. MN RECOMMENDATIONS.HEIGHT VARIES 0-7 FEET. SEE / r.7 w PLANS BY OTHERS. y SCALE: 1 INCH = 40 FEET / w GRADING EROSION AND SEDIMENT CONSTRUCTION NOTES: \ / F1 1. SEED USED FOR TEMPORARY OR PERMANENT SEEDING SHALL BE COMPOSED OF ONE OF THE / "'�1'° \ \ Q' y xa FOLLOWING MIXTURES, UNLESS OTHERWISE AUTHORIZED: / / 4WD•,, 4"\ �� 4k0// 1 F A.VEGETATED CORRIDOR AREAS REQUIRE NATIVE SEED MIXES. SEE RESTORATION PLAN FOR ',,/ I 4W \� / ' m w6.x APPROPRIATE SEED MIX. v/.p 4 ,. \®`, `"ie \\ �(/9 E��` E' • "P'� B. DWARF GRASS MIX(MIN. 100 L8./AC.) / "/ " 4 A "IX-'''',.."--.....‹"--..."<'`....'s•-', - 9y 054 / / `w'o� 1.DWARF PERENNIAL RYEGRASS(80%BY WEIGHT) " i., ,c. /�I I H137.36 TW dna '''''",,,,:e44,,90 a `' o o 2. CREEPING RED FESCUE(20%BY WEIGHT) ! !" W ,4 ;!Xi-' 1 ,,,,......\137..:10,r/ \��� q •-... A_ W z y wycs C. STANDARD HEIGHT GRASS MIX(MIN.100LB./AC.) j r" "// \ '137.60 N:6 �\\, \ - \ / p a o a 1. ANNUAL RYEGRASS(40%BY WEIGHT) " P j/ ,.."-„,2•'' \ 132.00 BW \}• ''\\`% l_.a`;',DEDICATION ii��U W O- 2. TURF-TYPE FESCUE(60%BY WEIGHT) \"P"." i // / 137.45 TW L.�i/\/)j-' 1 / o \j // 1..,,,___.1.3;.0.62 BW ilk/l1....r.....\,..VA \•••:___..... ,, C `� �� 2. SLOPE TO RECEIVE TEMPORARY OR PERMANENT SEEDING SHALL HAVE THE SURFACE ROUGHENED ! / `'�' I \ � \ / o BY MEANS OF TRACK-WALKING OR THE USE OF OTHER APPROVED IMPLEMENTS. SURFACE N'/ "\h: 1' � - ,d, w a�E ROUGHENING IMPROVES SEED BEDDING AND REDUCES RUN-OFF VELOCITY. 1 'G�" " 136.53-4/./.,,1141.6-1,'',.'\"----...... \ y` �. �� \ / 130.15 ,\q-'•��.� ' / 3. LONG TERM SLOPE STABILIZATION MEASURES SHALL INCLUDE THE ESTABLISHMENT OF PERMANENT I TRACT A'��,v W" 735.76 BTW/�/>�T O °�y�2- / VEGETATIVE COVER VIA SEEDING WITH APPROVED MIX AND APPLICATION RATE. / ""130.47e BW/' /! �' i'� 4:�4�,•����" �\�� ",.HAZARDOUS WASTE, i';' \ 1 ''O•.50 \l' SOLID WASTE, �! " /.l,c JI 4°'.�°'q%J'�''�1' I /' \ >u •.,� FUEL STORAGE. 4. TEMPORARY SLOPE STABILIZATION MEASURES SHALL INCLUDE: COVERING EXPOSED SOIL MTH " /�W - ! i-` • �`'°'" �' ' \� \• W C * a '°'3qp AND FUELING AREA PLASTIC SHEETING,STRAW MULCHING, WOOD CHIPS, OR OTHER APPROVED MEASURES. \ " �j35.69 TW ",.1 ,,' /�° / \�� \ I k- 132.15 BW f•'hy r\- / 7 / 2EATION 5. STOCKPILED SOIL OR STRIPPINGS SHALL BE PLACED INA STABLE LOCATION AND CONFIGURATION. 4, ' !/!I!// �I 1 i i I / ! \ \ DURING"WET WEATHER" PERIODS,STOCKPILES SHALL BE COVERED WITH PLASTIC SHEETING OR °+�' / ! STRAW MULCH. SEDIMENT FENCE IS REQUIRED AROUND THE PERIMETER OF THE STOCKPILE. / 11 r%iry• 41 \-- i i'_//� //��\i , `��/ 7 136.24 TN,, // :(' 6. EXPOSED CUT OR FILL AREAS SHALL BE STABILIZED THROUGH THE USE OF TEMPORARY SEEDING /�29 85 BW y;! 0� \ I / / // �'j �/ ��d \ Q AND MULCHING, EROSION CONTROL BLANKETS OR MATS, MID-SLOPE SEDIMENT FENCES OR WATTLES, i i / y'- ' \� n / / / 1 / J OR OTHER APPROPRIATE MEASURES. SLOPES EXCEEDING 25%MAY REQUIRE ADDITIONAL EROSION l 1/e `' �`k`"'' '� / / �'! I/ �// / AV a. CONTROL MEASURES. ' M Al " N /� ! / / J���(((13..7 7W ✓ ren 1 ,.':;5 1• `_�// f /'/ \ 1 'I 7. AREAS SUBJECT TO WIND EROSION SHALL USE APPROPRIATE DUST CONTROL MEASURES INCLUDING .,',.:.2....-.0' /130.57 BW r / / / `/ THE APPLICATION OF A FINE SPRAY OF WATER, PLASTIC SHEETING, STRAW MULCHING, OR OTHER '' 4;11 I` 1 / ,�� / i / / APPROVED MEASURES. I I jn1./ RI --/. /� STOCKPILES Z r..r..1 31 //I t. � '6, \ / 1 7/ AREA ZO O 8. CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND w / 131.93"TW I Ai>1 `A / I f / 6 O z MAINTAINED FOR THE DURATION OF THE PROJECT. ADDITIONAL MEASURES INCLUDING, BUT NOT I 128.51 11/4I:,,,,,/ \ 11 f/ �/ LIMITED TO, TIRE WASHES, STREET SWEEPING, AND VACUUMING MAY BE BE REQUIRED TO INSURE 7111..2;90..,;867i. "/' / ' I � CC O O THAT ALL PAVED AREAS ARE KEPT CLEAN FOR THE DURATION OF THE PROJECT. ,/! . © / I - x I / 130.96.TW• i ( / I X � ci 2 9. ACTIVE INLETS TO STORM WATER SYSTEMS SHALL BE PROTECTED THROUGH THE USE OF 129.,8�JBW rf� / ) / 1'/,'�'`,, / O APPROVED INLET PROTECTION MEASURES. ALL INLET PROTECTION MEASURES ARE TO BE REGULARLY / /.,,j-- / / � // ,O� 0 Ui INSPECTED AND MAINTAINED AS NEEDED. / 129.79 TW /� / / , 0 p / ,/ P T 129.38 BW. n / .,tZ 70. SATURATED MATERIALS THAT ARE HAULED OFF-SITE MUST BE TRANSPORTED IN WATER-TIGHT yi•/� 1 w2\ ' TRUCKS TO ELIMINATE SPILLAGE OF SEDIMENT AND SEDIMENT-LADEN WATER. / I >r .0,..* l¢� la,� pG z /r G z 1 ... , p„/ :. ,,,,T:-..)7- T GSAI / n I , ~ �' % - FPN� h / / h / ��' EROSION CONTROL LEGEND !.n,P O i -=-��\/// / `\ /// a/ 3,. -XX- ORANGE PERIMETER SEDIMENT l2" &, N \4 fe7":----'11-----�\ '/_ _\S,, , r'''.:,, //^ry FENCE SEE CWS DRAWING N0. CW ��'�'ii z/o�'o n I di"'/ ...• Vit„` -----_ f / ,*,,,,,,e, -//- INTERIOR SEDIMENT FENCE SEE CWS N /. • _ /` ` ��/� \�� - \-! / �9/`� DRAWING NO. 875. a ,`ir! ��� / ��-. \ •"' / • 4� -0-- WATTLES SEE CWS DRAWING NO. ` i.0-s. �AP `� /i'.. / �``1i i • 32 �� le' 880. K5,04 R{P w f/// id l ,�( I I..��.` ,••___, •\. j "732/ �` I /// !C /f arc\�`c \_\ I _1\• •// 3?3_~ * '<$: 0INLET PROTECTION I •' i' _ MESE Oxnwacs u¢ME eawmtt OF \\ i 73d % MXE.5txrM'M INC.(wa)AM il //! ( \�11 �\ !� //j r �I GRAVEL CONSTRUCTION ENTRANCE SNE NOT 10 BE REPRODUCED Ix ME II /, \ I \ ! L�/�� _ / 34 `/ \♦♦♦♦♦ SEE CWS DRAWING N0. 855. 11 LLWNEA MEET VEX ME worn gg 7)--1/7(\\\--/-`-,/ • //O' / / -'� DRAINAGE FLOW DIRECTION ig �'` 1 1 ///' / �`� THESE EROSION AND SEDIMENT CONTROL PLANS I/if / / 1 , ASSUME "DRY WEATHER" CONSTRUCTION. "WET g Ii1I•/ (' `l / �� WEATHER" CONSTRUCTION MEASURES NEED TO BE 5 o iI//H/ --- / ..3,- APPLIED BETWEEN OCTOBER 1ST AND MAY 31ST. -- 7. w o I co0 / EROSION AND SEDIMENT CONTROL BMP IMPLEMENTATION: a / 1.ALL BASE ESC MEASURES(INLET PROTECTION, PERIMETER SEDIMENT CONTROL, GRAVEL 8 CONSTRUCTION ENTRANCES, ETC.)MUST BE IN PLACE, FUNCTIONAL,AND APPROVED IN ANJ INITIAL INSPECTION, PRIOR TO COMMENCEMENT OF CONSTRUCTION ACTIVITIES. z a o 0 2..ALL"SEDIMENT BARRIERS(TO BE INSTALLED AFTER GRADING)" SHALL BE INSTALLED N 'OS \ IMMEDIATELY FOLLOWING,ESTABLISHMENT OF FINISHED GRADE AS SHOWN ON THESE PLANS. p m 3. LONG TERM SLOPE STABILIZATION MEASURES"INCLUDING MATTING"SHALL BE IN SHEET cn PLACE OVER ALL EXPOSED SOILS BY OCTOBER 1. E // C202 !Z Jo 2312-017 • li iN m CL, • I y?� ♦ 1 HATS/BLANKETS SHOULD -Y M' _ BE/NOTALLEU VERTICALLY �G'y y DOY/NSCOPE. TAMP SO/ y tititir Iii. ��/ R /5_ KEr `, i�li� UNDIBnJRBEOfkR �N< .�0�/ 80, I FENCE TOTAR URERICF1� vEGErnnoN AE+N GGA M FENCE TO ASSURE SOIL IS TRAPPED W�� j I, l� AQP P N,• W S 0 h r /\ `l ____---'1:11"7-.0-.,t �� R ... .•:°:�..e..;G•.... 1 1 • Ui RE r r P \\\\\.\\jam �a� �;:o:::a',•i.::. . ':: _.',b:: r•' ti' / //\\i �� \ilc'IF";I��`'J_ ,I 9:D.•..;:i.'.....b'...6,0:'.. \ \ I- i-',' • waw /\p r y \rJ� , �/� Hz // RADIUS a 25'MIN. .4.'y 0' r/•1 a [w.gW • r ,T L L`//\ 1 /� ^'/- `• '' INTERLOCKED FV,,10 u O O e p \ \ IW '�I �� ?•: S 2"x 2"POSTS /■■ F+i w r / / r / o CLEAN PR RUN OR 3 6"CLEAN ROCK .1...4 ,,L04)0'''..: ir1 0. C! r 4,„//\j �4. ��!/ �I � �a1 ,MEGA AND ATTACH PLAN VIEW z f>Y oa'w� • ' /, �'�� SUBCRADE REINFORCEMENT NTS w USO r / \\j �' CEOTEXTILE,p5 REQUIRED pR�'I' y�Q P r r /�/jam I� CULTIVATE SOIL TO CREATE FURROWS 8"MIN. ///���USE STITCHED LOOPS U' 1".:i� j // / '�.� /\/Y\\ PERPENDICULAR TO SLOPE D 3'minimum ■ / Z o° /d/N.4'"`/ r \�\ • / •20'MIN.FOR SINGLE FAMILY AND DUPLEX RESIDENTIAL from toe slope. • ! OVER 2"x 2"POSTS NOTES: Ikj 0,,.+E: OVERLAP r / \\ 1 j I. BURY BOTTOM OF FILTER FABRIC 6" Pr r/�\/// B I j GRAVEL CONSTRUCTION J VERTICALLY BELOW FINISHED GRADE. r r /�' I Ii,I 1� ENTRANCE CURB RAMP 4 2. 2"x 2"FIR,PINE 0.4 STEEL FENCE POSTS. / LI e // r r //\ UI 72"" ''I I ,I�- •I� IYl PAVEMENT ``�/JJ��i N p 3. POSiS TO BE INSTALLED ON r 1 1/2' 0�.I �R YY1� UPHILL SIDE OF SLOPE. ----2-, ----4 p - jA UNDISTURBED {a�� '.�,-`'• 'o W 4. COMPACT BOTH SIDES OF FILTER FABRIC °;*,^^9 :. •h.,r,-.- ' I I TRENCH. Ill y _- y p.\/ �I r = � VEGETATION O�P�` E- TY.y„ 5. PANELS MUST BE PLACED IF '� _. //\f --I C p �' INTERCEPTOR `G P� W * \ STAPLES „ _� qqy //\ -1 ft, P"'�I /swA.E ✓.c./4; Y11111.1W ACCORDING TO SPACING ON ISOMETRIC VIEW \�\\,\ I■:, I �/ PROFILE DETAIL N0.940 Ilii �.. I Til, 'file NTS TYPICAL SLOP); 1 N:4:-.7.1..:4,.:� %^0 1 . \ril-`��-�, • NOTES: SOIL STABILIZATION �!RM/\ K\2 \ 0 ,I '— USE DOZER TRACKS TO CREATE GROOVES 1. THE ENTRANCE SHALL BE MAINTAINED W A CONDITION THAT WILL PREVENT TRACKING OR FLOWING OF - " ,,:".SOTTO:t, OTiO✓,••+,4•S:4: SEDIMENT ONTO PUBC RTAO10 NOTES' " �_ �.� 2. WHEN NECESSARY,WHEELS SHALL BE CLEANED PRIOR TO ENTRANCE ONTO PUBLIC RIGHT-OF-WAY. .,+M ; •>'•I.'++i Y:4,BIS/00/o4•,+;C:47.+0 OI`01 .,/, .,,/WIDE ROLL$ / / '� f 'il��!' S. THAT DRAINS INTO NFO ANG IS OUIRED.IT SHALL BE DONE ON AN AREA PPPROVED SEDIMENT RAP OR.ED6 ENi BASIN. WITH CRUSHED STONE Hji ?,'i;;V;;:•I};'..ti.;,++Cv;•E•� n. D 1. SCOPE SURFACE SHALL BE FREE OF Roars,, '! '/\ / fir• , ';''rrii:'•' AAi a i:•:}z •'•>• S' J CLODS,STICKS AND GRASS.MATS BLANKETS \5 4. WHERE RUNOFF CONTAINING SEDIMENT LADEN WATER IS LEAVING THE SOE VW THE CONSTRUCTION SHALL HAVE C000 SOIL CONTACT. - ,i �� DIMENSIONS SENTRANCE,OTHER MEASURES SHALL BE IMPLEMENTED TO IXYERT RUNOFF 1HRWGH AN APPROVED `• � '+•'Q?ix�9+.•;$;;,.•.' 2 APPLY PERMANENT SEED/NO BEFORE PLACING NOT TO SCALE �� .+•+:,L:j+'.•'•..i•»"+., V. Q // FILTERING SYSTEM. I `v_",,, \� ,/ 'le e BLANKETS S( ♦ / 3. DIMFN5IDNS LII t (\/''��J/ {- d3 LAY BLANKETS LOOSELY AND STAKE OR at, %e' / / SNP,F FAME Y j 1 i v LLI STAPLE TO MAINTAIN 0/KELT CONTACT l^/.?H �� = 20'LONG BY 20•WIDE 8"DEEP OF 3:"MINUS CLEAN ROCK. m I I I Z 0 THE 50/L.DO.NOT STRETCH FOR FURTHER INFORMATION 0 EOMMFRCW - 1 LI 6'MAXIMUM SPACING LI FOR FURTHER INFORMATION CO O ' 60'LONG BY 20'WIDE 3-6"CLEAN ROCK, ON DESIGN CRITERIA SEE CD J 4 d. STAKING OR STAPLING LAYOUT PER ON DESIGN CRITERIA SEE GOVERNING AUTHORITY MAY REWIRE GEOtEXI1LE FABRIC i0 FOR p FURTHER INFORMATIONIA CHAPTER 4 OF CLEAN.WATER W Q m MANUFACTURERS SPECIF/CARONS. CHAPTER 4 OF CLEAN WATER PREVENT SUB-SOIL PUMPING. CHAPTER 4 OF CLEAN WATER FRONT VIEW SERVICES EROSION PREVENTION SERVICES EROSION PREVENTION AND SEDIMENT CONTROL FFL- SERVICES EROSION PREVENTION NTS PLANING AND DESIGN MANUAL. AND SEDINEM CONLROL • AND SEDIMENT CONTROL • mg.mxxrsv PLANNING AND DESIGN MANUAL PLANNING AND DESIGN MANUAL Q Z r MATTING SLOPE INSTALLATION SURFACE ROUGHENING CONSTRUCTION ENTRANCE CC U CleanWater Services CleanWater Services C1eanWd[c\Services SEDIMENT FENCE CleanWiSi am' ervces '' Z DRAWING NO.805 REVISED t2-O6 °m I,dear. CAT TRACKING Our commits..i.Nor. Q • •Nr<°mm;em DRAWING NO.830 REVISED 12-06 Detail Drawing 855 REVISED 12-06 commitment° ..d"'' Our°mm11m°m is clear. DRAWING NO.875 REFUSED 12-aB (/) Q X 1 . 1Y MAYBE US� SHAND TERM --"TW/UTILITYWOO RK AND PHASING OF DEVELOPMENT 1 n\d�..'. FL—V. ~SLOP ,,,,n pTAfil I A IIRIIIIlIII) {Illfl 111 r" WOOD STAKE IAll llllll 1 I I I�Iullllf111Si ILII I(,,,--,J I II!All II IIIPLACE WATTLES ALONG SLOPE CONTOURS. IIIA NI _4 P" pROFlIF I ��� EG"GCC (S'�7 N • 60" AREA DRAIN `8 �L"�. e oK?, a P RICE.COCONUT OR EXCELSIOR t; CATCH BASIN d AN 0 N_ A WATTf.ES yam �P� I 1,` FLOW �� {e. -..--- STAGGER 1 VIII II'lll R 1. N JOINTS ° " riw-- I it l TOP OF FLOW REFL.OO AILTANTS NC.DICT)AND SECTION 'll T 1 --''' N H/2 BUT 2 FT.MINIMUM AND SLOPE PA• ARE NOT to BE RFPRaW[m W AIN GI II Illi 11l MANO11 EXCEPT WN TIE WRITTEN iii 0 ' II AND 10FT.MAXIMUM VIII 11111 i PWUISAON OF NO STAKING SPACING 4'O.C. MI ' ¢ 1I %.I.IlII�Iilli FLOW FF-SOW ' FLOW IIIlllllil!II �m DITCH INLET PLAN VIEW I�'"94"Y, NATURAL OR C. ci CUT OR FILL FINISHED GRADE N. SLOPE Cm a NOTES: 6"overtop of bags. PA. OLOPEF INTERCEPTOR REQURED DRAIN ' TIGHTLY ABUT ADJACENT WATTLES. 1. ADDITIONAL MEASURES MOST BE O CONSIDERED DEPENDING ON SOIL TYPES. H/2 BUT 2 FT,MINIMUM AND 20FT,MAXIMUM 2. BIO-FILTER BAGS SHOULD BE PLAN VIEWSTAKED WHERE APPLICABLE USING O_ O (2)1"x2"WOODEN STAKES OR APPROVED EQUAL PER BAG. '- M r' NOTES: FOR FURTHER INFORMATION K I • STAKING BPECIFICATIaNS ON DESIGN CRTtERW SEE FOR FURTHER INFORMATION N U�y, U Oa E o.IY2 WOODEN SDN/S CHAPTER 4 OF CLEAN WATER 3. WHEN USING 30"BIO-BAGS TO CA DESIGN CRITERIA SEE \ I. PERMIT AREA BOUNDARY N A.ODDRONAL STAKES MAY BE INSTALLED ON SERVICES EROSION PREVENTION PROTECT A CATCH BASIN YOU MUST CHAPTER 4 OF CLEAN WATER NATURAL OR W 0 00WNAM1L SNE OF WATTLES,ON STEEP SLOPE AND SEDIMENT CONTROL HAVE 4 BAGS AND THEY SHALL BE AND SEDIMENT EROSION PREVENTION FINISHED GRADE I 1 OR IWHLY EROSNEA001RN 50115, PLANNING AND DESIGN MANUAL AND SEDIMENT GENOA CONTROL 0. Z. SPACING IN ACCORDANCE WITH SEUL 940. OVERLAPPED BY 6". PLANNING AND DESIGN MANUAL FIGURE WCGO-1412.300 0 WATTLES INLET PROTECTION NOT TO SCALE N C1eanWater Services TYPE 4 CleanWater Services DRAWING NO.880 REVISED 12-06 •u.commitment irci°u• REVISED 12-OB ear cemmitmmt is clave to DRAWING NO.915 J Z a I— O p ,_ to cr Z m SHEET UU) C203 !" 3 tQ JOB NO. ;�