LLC PRELIMINARY/FINAL LAND DEVELOPMENT PLAN FOR 109 …
5
Plot Date: Wed. Oct. 24, 2018 CALL BEFORE YOU DIG! PENNSYLVANIA LICENSE No. PROFESSIONAL ENGINEER EMAIL: [email protected]WEBSITE: WWW.JMRENGINEERING.COM VOICE: (484) 880-7342 ~ FAX: (610) 594-6669 55 COUNTRY CLUB DRIVE, SUITE 201 ~ DOWNINGTOWN, PA 19335 PROFESSIONAL CIVIL ENGINEERING LAND PLANNING SERVICES FOR PRELIMINARY/FINAL LAND DEVELOPMENT PLAN ENGINEERING , LLC J M R TAX PARCEL NUMBER: USERS RESPONSES PE059954 COVER SHEET TODD SCHNEIDER 109 COEWAY LANE EXTON, PA 19341 41-2-66 109COEWAYLANE EXTON,PA19341 WESTWHITELANDTOWNSHIP CHESTERCOUNTY,PA 109 COEWAY LANE PRELIMINARY/FINAL LAND DEVELOPMENT PLAN FOR 109 COEWAY LANE DAVID EDWARD RENTSCHLER PROFESSIONAL REGISTERED ENGINEER No.059954 OWNER/APPLICANT: COMMONWEALTH OF PENNSYLVANIA COUNTY OF CHESTER APPROVALS CHESTER COUNTY PLANNING COMMISSION CHESTER COUNTY RECORDER OF DEEDS
LLC PRELIMINARY/FINAL LAND DEVELOPMENT PLAN FOR 109 …
2. FIELD SURVEY CONDUCTED BY DIENER SURVEYING SERVICES, INC. OFROBESONIA, PENNSYLVANIA ON SEPTEMBER, 2018. THE HORIZONTAL DATUM ISNAD83 AND VERTICAL DATUM IS NAVD88, THIS WAS ESTABLISHED BY STATICOBSERVATIONS CORRECTED BY THE USGS ONLINE POSITIONING USER SYSTEM(OPUS).
3. REFERENCE PLANS:
A. MAP MADE FOR EXTON OIL CO. INC., WEST WHITELAND TOWNSHIP, CHESTERCOUNTY, PA., PREPARED BY YERKES ASSOCIATES INC., 1444 PHOENIXVILLEPIKE, P.O. BOX 553, WEST CHESTER, PENNSYLVANIA DATED 10/16/1979 ANDREVIEWED BY THE CHESTER COUNTY PANNING COMMISSION FEBRUARY 28,1980.
B. SITE PLAN FOR TARGET ASSISTED LIVING, WEST WHITELAND TOWNSHIP,PENNSYLVANIA, BY LANGAN ENGINEERING AND ENVIRONMENTAL SERVICES,RIVER DRIVE CENTER, 1 ELMWOOD PARK, NJ. 07407, DATED MAY 22, 1996.PLAN LAST REVISED FEBRUARY 17, 1998.
C. PRELIMINARY/FINAL LAND DEVELOPMENT PLANS FOR PNC REALTY SERVICES,PROPOSED PNC BANK, POTTSTOWN PIKE & SUNRISE BOULEVARD, WESTWHITELAND TOWNSHIP, CHESTER COUNTY, PA., PLANS BY BOHLERENGINEERING, 1600 MANOR DRIVE, SUITE 200, CHALFONT, PA. 18914, DATED9/03/09 AND LAST REVISED 12/8/09.
4. FEMA FLOOD MAP NUMBER 42029C0150G, EFFECTIVE ON 09/29/2017 INDICATESTHAT THE PROPERTY IS LOCATED WITHIN ZONE X AND IS OUTSIDE OF THE100-YEAR FLOODPLAIN.
5. SOILS PLOTTED FROM NATIONAL RESOURCES CONSERVATION DISTRICT (NRCS)WEB SOIL SURVEY, BY THE UNITED STATES DEPARTMENT OF AGRICULTURE(USDA).
6. UNDERGROUND UTILITIES ARE SHOWN AS APPROXIMATE. NO GUARANTEE IS MADETHAT UNDERGROUND UTILITIES ARE ACCURATELY OR COMPLETELY SHOWNHEREON. THE SITE CONTRACTOR MUST VERIFY LOCATION AND DEPTH OF ALLUNDERGROUND UTILITIES AND FACILITIES PRIOR TO BEGINNING CONSTRUCTION.
7. ON-SITE SEPTIC AND ON-SITE WELL ARE EXISTING AND WILL REMAIN IN USE FORALL EXISTING AND PROPOSED DEVELOPMENT.
8. THE DEVELOPER SHALL CONFORM TO OR CAUSE CONFORMANCE WITH ALLAPPLICABLE REQUIREMENTS OF THIS PLAN AND THE WEST WHITELAND TOWNSHIPZONING ORDINANCE AS WELL AS OTHER APPLICABLE LOCAL, STATE AND FEDERALLAWS, STATUTES, REGULATIONS AND ORDINANCES.
9. THE DEVELOPER SHALL NOTIFY UNDERGROUND UTILITY USERS AT LEAST THREEDAYS PRIOR TO THE COMMENCEMENT OF CONSTRUCTION IN ACCORDANCE WITHPA ACT 287 OF 1974, AS AMENDED BY ACT 199 OF 2004 & ALL OTHER APPLICABLEAMENDMENTS, AS WELL AS CONFORM TO APPLICABLE REGULATIONS OF SAIDACTS. UNDERGROUND UTILITIES SHOWN ARE FROM SURFACE EVIDENCEOBSERVABLE IN THE FIELD AND AS MARKED BY THE UTILITY COMPANIES.
10. ALL PROPOSED STORMWATER MANAGEMENT FACILITIES ARE PERMANENT.MAINTENANCE OF PERMANENT STORMWATER MANAGEMENT FACILITIES WILL BETHE RESPONSIBILITY OF THE PROPERTY OWNER.
11. AN AREA SHALL BE CONSIDERED TO HAVE ACHIEVED FINAL STABILIZATION WHENIT HAS A MINIMUM UNIFORM 70% PERENNIAL VEGETATIVE COVER AND/OR ANYOTHER PERMANENT, NON-VEGETATIVE COVER WITH A DENSITY SUFFICIENT TORESIST ACCELERATED SURFACE EROSION AND SUBSURFACE CHARACTERISTICSSUFFICIENT TO RESIST SLIDING AND OTHER SUBSURFACE MOVEMENTS.
12. THIS PROJECT IS WHOLLY LOCATED WITHIN THE WATERSHED OF THE VALLEYCREEK. THIS WATERSHED HAS A CHAPTER 93 WATERSHED DESIGNATION OF COLDWATER FISHERIES; MIGRATORY FISHERY (CWF; MF) BY THE COMMONWEALTH OFPENNSYLVANIA.
13. THE APPLICANT SHALL GRANT THE TOWNSHIP AN ACCESS EASEMENT FORMAINTENANCE OF STORMWATER MANAGEMENT FACILITIES. THE EASEMENT SHALLBE RECORDED WITH THE RECORDER OF DEEDS AND IS A COVENANT THAT RUNSWITH THE LAND THAT IS BINDING UPON AND ENFORCEABLE BY SUBSEQUENTGRANTEE.
14. NO DEBRIS SHALL BE BURIED ON THIS SITE. ALL DEBRIS SHALL BE DISPOSED OFOFF-SITE IN ACCORDANCE WITH ALL APPLICABLE TOWNSHIP, STATE AND FEDERALLAWS AND REQUIREMENTS.
15. DEVELOPABLE LOT ACREAGE CALCULATED USING THE FOLLOWING FORMULA:
DA=GA-ERW-EE-FA-W-SS
WHERE:DA=DEVELOPABLE ACREAGE, GA=GROSS LOT AREA, ERW=EXISTINGRIGHT-OF-WAY, EE=EXISTING EASEMENT AREA, FA=FLOODPLAIN AREA,W=WETLAND AREA AND SS=STEEP SLOPES 25% OR GREATER.
2. FIELD SURVEY CONDUCTED BY DIENER SURVEYING SERVICES, INC. OFROBESONIA, PENNSYLVANIA ON SEPTEMBER, 2018. THE HORIZONTAL DATUM ISNAD83 AND VERTICAL DATUM IS NAVD88, THIS WAS ESTABLISHED BY STATICOBSERVATIONS CORRECTED BY THE USGS ONLINE POSITIONING USER SYSTEM(OPUS).
3. REFERENCE PLANS:
A. MAP MADE FOR EXTON OIL CO. INC., WEST WHITELAND TOWNSHIP, CHESTERCOUNTY, PA., PREPARED BY YERKES ASSOCIATES INC., 1444 PHOENIXVILLEPIKE, P.O. BOX 553, WEST CHESTER, PENNSYLVANIA DATED 10/16/1979 ANDREVIEWED BY THE CHESTER COUNTY PANNING COMMISSION FEBRUARY 28,1980.
B. SITE PLAN FOR TARGET ASSISTED LIVING, WEST WHITELAND TOWNSHIP,PENNSYLVANIA, BY LANGAN ENGINEERING AND ENVIRONMENTAL SERVICES,RIVER DRIVE CENTER, 1 ELMWOOD PARK, NJ. 07407, DATED MAY 22, 1996.PLAN LAST REVISED FEBRUARY 17, 1998.
C. PRELIMINARY/FINAL LAND DEVELOPMENT PLANS FOR PNC REALTY SERVICES,PROPOSED PNC BANK, POTTSTOWN PIKE & SUNRISE BOULEVARD, WESTWHITELAND TOWNSHIP, CHESTER COUNTY, PA., PLANS BY BOHLERENGINEERING, 1600 MANOR DRIVE, SUITE 200, CHALFONT, PA. 18914, DATED9/03/09 AND LAST REVISED 12/8/09.
4. FEMA FLOOD MAP NUMBER 42029C0150G, EFFECTIVE ON 09/29/2017 INDICATESTHAT THE PROPERTY IS LOCATED WITHIN ZONE X AND IS OUTSIDE OF THE100-YEAR FLOODPLAIN.
5. SOILS PLOTTED FROM NATIONAL RESOURCES CONSERVATION DISTRICT (NRCS)WEB SOIL SURVEY, BY THE UNITED STATES DEPARTMENT OF AGRICULTURE(USDA).
6. UNDERGROUND UTILITIES ARE SHOWN AS APPROXIMATE. NO GUARANTEE IS MADETHAT UNDERGROUND UTILITIES ARE ACCURATELY OR COMPLETELY SHOWNHEREON. THE SITE CONTRACTOR MUST VERIFY LOCATION AND DEPTH OF ALLUNDERGROUND UTILITIES AND FACILITIES PRIOR TO BEGINNING CONSTRUCTION.
7. ON-SITE SEPTIC AND ON-SITE WELL ARE EXISTING AND WILL REMAIN IN USE FORALL EXISTING AND PROPOSED DEVELOPMENT.
8. THE DEVELOPER SHALL CONFORM TO OR CAUSE CONFORMANCE WITH ALLAPPLICABLE REQUIREMENTS OF THIS PLAN AND THE WEST WHITELAND TOWNSHIPZONING ORDINANCE AS WELL AS OTHER APPLICABLE LOCAL, STATE AND FEDERALLAWS, STATUTES, REGULATIONS AND ORDINANCES.
9. THE DEVELOPER SHALL NOTIFY UNDERGROUND UTILITY USERS AT LEAST THREEDAYS PRIOR TO THE COMMENCEMENT OF CONSTRUCTION IN ACCORDANCE WITHPA ACT 287 OF 1974, AS AMENDED BY ACT 199 OF 2004 & ALL OTHER APPLICABLEAMENDMENTS, AS WELL AS CONFORM TO APPLICABLE REGULATIONS OF SAIDACTS. UNDERGROUND UTILITIES SHOWN ARE FROM SURFACE EVIDENCEOBSERVABLE IN THE FIELD AND AS MARKED BY THE UTILITY COMPANIES.
10. ALL PROPOSED STORMWATER MANAGEMENT FACILITIES ARE PERMANENT.MAINTENANCE OF PERMANENT STORMWATER MANAGEMENT FACILITIES WILL BETHE RESPONSIBILITY OF THE PROPERTY OWNER.
11. AN AREA SHALL BE CONSIDERED TO HAVE ACHIEVED FINAL STABILIZATION WHENIT HAS A MINIMUM UNIFORM 70% PERENNIAL VEGETATIVE COVER AND/OR ANYOTHER PERMANENT, NON-VEGETATIVE COVER WITH A DENSITY SUFFICIENT TORESIST ACCELERATED SURFACE EROSION AND SUBSURFACE CHARACTERISTICSSUFFICIENT TO RESIST SLIDING AND OTHER SUBSURFACE MOVEMENTS.
12. THIS PROJECT IS WHOLLY LOCATED WITHIN THE WATERSHED OF THE VALLEYCREEK. THIS WATERSHED HAS A CHAPTER 93 WATERSHED DESIGNATION OF COLDWATER FISHERIES; MIGRATORY FISHERY (CWF; MF) BY THE COMMONWEALTH OFPENNSYLVANIA.
13. THE APPLICANT SHALL GRANT THE TOWNSHIP AN ACCESS EASEMENT FORMAINTENANCE OF STORMWATER MANAGEMENT FACILITIES. THE EASEMENT SHALLBE RECORDED WITH THE RECORDER OF DEEDS AND IS A COVENANT THAT RUNSWITH THE LAND THAT IS BINDING UPON AND ENFORCEABLE BY SUBSEQUENTGRANTEE.
14. NO DEBRIS SHALL BE BURIED ON THIS SITE. ALL DEBRIS SHALL BE DISPOSED OFOFF-SITE IN ACCORDANCE WITH ALL APPLICABLE TOWNSHIP, STATE AND FEDERALLAWS AND REQUIREMENTS.
15. DEVELOPABLE LOT ACREAGE CALCULATED USING THE FOLLOWING FORMULA:
DA=GA-ERW-EE-FA-W-SS
WHERE:DA=DEVELOPABLE ACREAGE, GA=GROSS LOT AREA, ERW=EXISTINGRIGHT-OF-WAY, EE=EXISTING EASEMENT AREA, FA=FLOODPLAIN AREA,W=WETLAND AREA AND SS=STEEP SLOPES 25% OR GREATER.
N/F SCHNEIDER, TODD E. D.B. 9166, PG. 1058 UPI #41-2-66
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EXISTING IRON PIN (FOUND)
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EXISTING RIGHT-OF-WAY
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EXISTING RIGHT-OF-WAY
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EXISTING DRIVEWAY
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EXISTING DRIVEWAY/ PARKING
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EXISTING SHED
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C.O.
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C.O.
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C.O.
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A/C UNIT
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EXISTING CONCRETE PAD WITH A/C UNIT
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EXISTING BILCO DOORS
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EXISTING DWELLING F.F=353.36'
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EXISTING CONCRETE WALKS WITH STEPS
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EXISTING WALL
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EXISTING WALL
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EXISTING WALL
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25'
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25'
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15'
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15'
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25'
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25'
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25'
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25'
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APPROXIMATE LOCATION OF EXISTING WATER LINE
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APPROXIMATE LOCATION OF EXISTING GAS LINE
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TP 2
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TP 1
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PROJECT:
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PENNSYLVANIA LAW REQUIRES THE CONTRACTOR TO
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NOTIFY UNDERGROUND UTILITY USERS AT LEAST 3 DAYS
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PRIOR TO THE COMMENCEMENT OF CONSTRUCTION. ARIA
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ENGINEERING, LLC DOES NOT GUARANTEE THE ACCURACY
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OF THE LOCATIONS FOR SUBSURFACE UTILITIES SHOWN
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ON THE PLAN OR THAT ALL UTILITIES HAVE BEEN SHOWN.
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THE CONTRACTOR SHALL VERIFY THE LOCATIONS OF ALL
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SUBSURFACE UTILITIES PRIOR TO STARTING WORK.
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1-800-242-1776
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POCS SERIAL NUMBER:
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LOCATION:
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PROJECT No.:
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SURVEY REF.:
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DRAWN BY:
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CHECKED BY:
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PLAN DATE:
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PLAN SCALE:
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SHEET TITLE:
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SHEET NUMBER:
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OF
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CLIENT:
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PARCELS:
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UTILITY USERS LIST
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1-800-242-1776
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P
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DATE
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DESCRIPTION OF CHANGES
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PLAN REVISIONS
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This plan is a reproduction of an original plan that is the property of JMR Engineering, LLC. If this plan does not bear the signature and seal
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of the Professional Engineer responsible for the project, whose name appears in the adjacent Title Block, it shall be considered an unauthorized
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copy. Any reuse or adaptation of the plan or the information contained on the plan without the express written consent of JMR Engineering, LLC
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will be at the user's sole risk and without any liability to JMR Engineering, LLC. Written dimensions on the drawings shall have precedence over
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scaled dimensions. Contractors shall notify this office of any variations from the dimensions and conditions shown on this plan.
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DAVID E. RENTSCHLER
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20182361781
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D.E.R.
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E.C.R.
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1318-B
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1318-B(DSS)
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1" = 20'
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OCTOBER 24, 2018
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TRACT SIZE
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BUILDING AREA
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FROM STREET ROW
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PARKING SETBACKS
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FROM STREET ROW
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IMPERVIOUS AREA
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2.0 ACRES (MIN.)
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NONE
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15 FEET (MIN.)
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15 FEET (MIN.)
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1.095 ACRES*
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2,420 SF
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%%P65.6 FEET
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%%P3.9 FEET*
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REQUIRED
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EXISTING
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AREA & BULK REGULATIONS:
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SIDE/REAR PROPERTY LINES
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25 FEET (MIN.)
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%%P1 FEET*
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PROPOSED
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70%%% (MAX.)
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10.94%%% (5,194 SF)
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1.095 ACRES*
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4,580 SF
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%%P65.6 FEET
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%%P3.9 FEET*
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%%P1 FEET*
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21.36%%% (10,144 SF)
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BUILDING COVERAGE
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20%%%
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5.1%%%
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9.65%%%
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BUILDING SETBACKS
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SIDE/REAR PROPERTY LINES
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25 FEET (MIN.)
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%%P16.9 FEET*
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%%P16.9 FEET*
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BUILDING HEIGHT
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60 FEET (MAX.)
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25 FEET
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<60 FEET
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(PROFESSIONAL ENGINEER)
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(DATE)
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I HEREBY CERTIFY THAT, TO THE BEST OF MY KNOWLEDGE, INFORMATION AND BELIEF, THAT INFORMATION CONTAINED IN THE ACCOMPANYING PLANS HAVE BEEN PREPARED IN ACCORDANCE WITH ACCEPTED ENGINEERING PRACTICE, IS TRUE AND CORRECT, AND IS IN CONFORMANCE TO THE ACCURACY REQUIRED BY THE WEST WHITELAND TOWNSHIP ZONING AND SUBDIVISION AND LAND DEVELOPMENT ORDINANCES. (WITH THE EXCEPTIONS NOTED ON THIS SHEET)
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PROPOSED BUILDING
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PROPOSED PAVEMENT
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= 2,160 SF
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= 2,790 SF
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TOTAL IMPERVIOUS COVERAGE PROPOSED
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=4,950 SF
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EXISTING BUILDING & SHEDS
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EXISTING PAVEMENT
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= 2,085 SF
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= 2,371 SF
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TOTAL IMPERVIOUS COVERAGE EXISTING
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=5,194 SF
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TOTAL NET IMPERVIOUS COVERAGE PROPOSED
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=10,144 SF
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PROPOSED SIDEWALK & CONCRETE PADS
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EXISTING CONCRETE PADS/SIDEWALK & WALLS
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= 738 SF
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ORDINANCE SECTION:
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REQUIREMENT:
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REQUEST:
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PERIMETER BUFFERS SHALL BE 25 FEET IN WIDTH PLACED AT THE PROPERTY LINE.
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SECTION 281-35.E(3)
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PARTIAL WAIVER TO ALLOW EXISTING VEGETATION ALONG THE NORTHERN AND WESTERN PROPERTY LINES TO SATISFY THE PERIMETER BUFFER REQUIREMENTS.
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*DENOTES EXISTING NON-CONFORMITY
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BOUNDARY LINE
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ADJOINER BOUNDARY LINE
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LEGAL RIGHT-OF-WAY LINE
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EXISTING BUILDING WALL
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EXISTING EDGE OF PAVING
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EXISTING WATER LINE
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EXISTING GAS LINE
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EXISTING OVERHEAD ELECTRIC LINE
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EXISTING UNDERGROUND ELECTRIC LINE
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EXISTING FENCE LINE
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EXISTING IRON PIN
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EXISTING CONCRETE MONUMENT
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EXISTING UTILITY POLE
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TEST PIT LOCATION
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TP#1
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GAS
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W
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OH
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X
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UE
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BUILDING SETBACK LINE
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C
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AQUA PA BUCKEYE COMCAST CABLE PECO LEVEL 3 COMM SUNOCO ME2 SUNOCO PIPELINE TRANSCO GAS PIPELINE W WHITELAND TWP VERIZON EASTERN
ON THE PLAN OR THAT ALL UTILITIES HAVE BEEN SHOWN.
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THE CONTRACTOR SHALL VERIFY THE LOCATIONS OF ALL
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SUBSURFACE UTILITIES PRIOR TO STARTING WORK.
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1-800-242-1776
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POCS SERIAL NUMBER:
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LOCATION:
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PROJECT No.:
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SURVEY REF.:
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DRAWN BY:
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CHECKED BY:
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PLAN DATE:
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SHEET TITLE:
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SHEET NUMBER:
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OF
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PARCELS:
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UTILITY USERS LIST
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1-800-242-1776
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P
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!
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REV
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DATE
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DESCRIPTION OF CHANGES
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PLAN REVISIONS
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This plan is a reproduction of an original plan that is the property of JMR Engineering, LLC. If this plan does not bear the signature and seal
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of the Professional Engineer responsible for the project, whose name appears in the adjacent Title Block, it shall be considered an unauthorized
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copy. Any reuse or adaptation of the plan or the information contained on the plan without the express written consent of JMR Engineering, LLC
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will be at the user's sole risk and without any liability to JMR Engineering, LLC. Written dimensions on the drawings shall have precedence over
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scaled dimensions. Contractors shall notify this office of any variations from the dimensions and conditions shown on this plan.
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DAVID E. RENTSCHLER
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20182361781
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D.E.R.
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E.C.R.
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1318-B
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1318-B(DSS)
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1" = 20'
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OCTOBER 24, 2018
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PUBLIC WATER SUPPLY A. ALL WATER MAINS SHALL MEET THE REQUIREMENTS OF AND BE INSTALLED IN ACCORDANCE WITH THE SPECIFICATIONS, ALL WATER MAINS SHALL MEET THE REQUIREMENTS OF AND BE INSTALLED IN ACCORDANCE WITH THE SPECIFICATIONS, STANDARDS AND DETAILS OF THE WATER COMPANY THAT WILL OWN THE FACILITIES. B. ALL WATER SERVICES, INCLUDING DOMESTIC AND FIRE PROTECTION, SHALL MEET THE REQUIREMENTS OF AND BE ALL WATER SERVICES, INCLUDING DOMESTIC AND FIRE PROTECTION, SHALL MEET THE REQUIREMENTS OF AND BE INSTALLED IN ACCORDANCE WITH THE SPECIFICATIONS, STANDARDS AND DETAILS OF WEST WHITELAND TOWNSHIP, SHOP DRAWINGS AND/OR CATALOG CUTS FOR ALL PROPOSED MATERIALS SHALL BE SUBMITTED TO WEST WHITELAND TOWNSHIP AS PART OF THE APPLICATION FOR A PLUMBING PERMIT. SANITARY SEWERAGE A. ALL SANITARY SEWER MAINS SHALL MEET THE REQUIREMENTS OF AND BE INSTALLED IN ACCORDANCE WITH THE ALL SANITARY SEWER MAINS SHALL MEET THE REQUIREMENTS OF AND BE INSTALLED IN ACCORDANCE WITH THE SPECIFICATIONS, STANDARDS AND DETAILS OF WEST WHITELAND TOWNSHIP. B. ALL SEWER LATERALS SHALL MEET THE REQUIREMENTS OF AND BE INSTALLED IN ACCORDANCE WITH THE SPECIFICATIONS, ALL SEWER LATERALS SHALL MEET THE REQUIREMENTS OF AND BE INSTALLED IN ACCORDANCE WITH THE SPECIFICATIONS, STANDARDS AND DETAILS OF WEST WHITELAND TOWNSHIP, SHOP DRAWINGS AND/OR CATALOG CUTS FOR ALL PROPOSED MATERIALS SHALL BE SUBMITTED TO WEST WHITELAND TOWNSHIP AS PART OF THE APPLICATION FOR A PLUMBING PERMIT. C. ALL SANITARY SEWERS AND LATERALS SHALL HAVE A MINIMUM OF THREE (3) FEET OF COVER PROVIDED. ALL SANITARY SEWERS AND LATERALS SHALL HAVE A MINIMUM OF THREE (3) FEET OF COVER PROVIDED. D. THE SANITARY SEWER MAIN AND MANHOLES WITHIN THE SANITARY SEWER EASEMENT SHALL BE DEDICATED TO WEST THE SANITARY SEWER MAIN AND MANHOLES WITHIN THE SANITARY SEWER EASEMENT SHALL BE DEDICATED TO WEST WHITELAND TOWNSHIP. OTHER UTILITIES A. ALL OTHER UTILITIES (ELECTRIC, COMMUNICATIONS, GAS, ETC.) SHALL BE INSTALLED IN ACCORDANCE WITH THE UTILITY ALL OTHER UTILITIES (ELECTRIC, COMMUNICATIONS, GAS, ETC.) SHALL BE INSTALLED IN ACCORDANCE WITH THE UTILITY COMPANY'S REQUIREMENTS AND SHALL BE INSTALLED SO AS TO NOT CONFLICT WITH THE WATER, SANITARY SEWER AND/OR STORM SEWER FACILITIES PROPOSED AS PART OF THESE PLANS. B. BACKFILL OF ALL UTILITY TRENCHES WITHIN EXISTING AND/OR PROPOSED WEST WHITELAND TOWNSHIP RIGHTS-OF-WAY BACKFILL OF ALL UTILITY TRENCHES WITHIN EXISTING AND/OR PROPOSED WEST WHITELAND TOWNSHIP RIGHTS-OF-WAY SHALL BE DONE IN ACCORDANCE WITH THE SPECIFICATIONS, STANDARDS AND DETAILS OF WEST WHITELAND TOWNSHIP AND SHALL BE SUBJECT TO THE APPROVAL OF WEST WHITELAND TOWNSHIP OR THEIR DESIGNEE.
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BOUNDARY LINE
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ADJOINER BOUNDARY LINE
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LEGAL RIGHT-OF-WAY LINE
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EXISTING BUILDING WALL
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EXISTING EDGE OF PAVING
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EXISTING WATER LINE
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EXISTING GAS LINE
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EXISTING OVERHEAD ELECTRIC LINE
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EXISTING UNDERGROUND ELECTRIC LINE
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EXISTING FENCE LINE
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EXISTING IRON PIN
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EXISTING CONCRETE MONUMENT
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EXISTING UTILITY POLE
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TEST PIT LOCATION
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TP#1
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GAS
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W
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OH
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X
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UE
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BUILDING SETBACK LINE
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PROPOSED INDEX CONTOUR
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PROPOSED INTERMEDIATE CONTOUR
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PROPOSED SILT SOCK
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LIMIT OF DISTURBANCE LINE
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ORANGE CONSTRUCTION FENCE
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EXISTING 2' CONTOURS
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EXISTING 10' CONTOURS
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EXISTING TREE LINE
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EXISTING SOILS LINE
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EXISTING DECIDUOUS TREE
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EXISTING SLOPES 15-25%%%
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EXISTING SLOPES 25%%%+
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Md NaB2
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PROPOSED TREE LINE
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PROPOSED SWM INFILTRATION AREA
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A. BMP's
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UNTIL THE SITE IS STABILIZED, ALL EROSION AND SEDIMENTATION BMP's MUST BE
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MAINTAINED PROPERLY. MAINTENANCE MUST INCLUDE INSPECTIONS OF ALL EROSION AND
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SEDIMENTATION BMP's AFTER EACH RUNOFF EVENT AND ON A WEEKLY BASIS. ALL SITE
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INSPECTIONS WILL BE DOCUMENTED IN AN INSPECTION LOG KEPT FOR THIS PURPOSE. THE
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COMPLIANCE ACTIONS AND THE DATE, TIME AND NAME OF PERSON CONDUCTING THE
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INSPECTION. THE INSPECTION LOG WILL BE KEPT ON SITE AT ALL TIMES AND MADE
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AVAILABLE TO THE DISTRICT UPON REQUEST.
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ALL PREVENTATIVE AND REMEDIAL MAINTENANCE WORK, INCLUDING CLEAN OUT, REPAIR,
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REPLACEMENT, REGRADING, RESEEDING, REMULCHING AND RENETTING, MUST BE
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PERFORMED IMMEDIATELY. IF EROSION AND SEDIMENTATION BMP's FAIL TO PERFORM AS
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EXPECTED, REPLACEMENT BMP's OR MODIFICATIONS OF INSTALLED WILL BE NEEDED.
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WHERE BMP's ARE FOUND TO FAIL TO ALLEVIATE EROSION OR SEDIMENT POLLUTION THE
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PERMITTEE OR CO-PERMITTEE SHALL INCLUDE THE FOLLOWING INFORMATION:
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1. THE LOCATION AND SEVERITY OF THE BMP's FAILURE AND ANY POLLUTION EVENTS.
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2. ALL STEPS TAKEN TO, REDUCE, ELIMINATE AND PREVENT THE REOCCURRENCE OF
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THE NON-COMPLIANCE.
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3. THE TIME FRAME TO CORRECT THE NON-COMPLIANCE, INCLUDING THE EXACT DATES
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WHEN THE ACTIVITY WILL RETURN TO COMPLIANCE.
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AFTER FINAL STABILIZATION HAS BEEN ACHIEVED, TEMPORARY EROSION AND SEDIMENT
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BMP's MUST BE REMOVED. AREAS DISTURBED DURING REMOVAL OF BMP's MUST BE
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STABILIZED IMMEDIATELY.
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B. CONSTRUCTION ENTRANCE
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1.THE STRUCTURES THICKNESS WILL BE CONSTANTLY MAINTAINED TO THE SPECIFIED
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DIMENSION BY ADDING ROCK. A STOCKPILE OF ROCK MATERIAL WILL BE MAINTAINED
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ON THE SITE FOR THIS PURPOSE. AT THE END OF EACH CONSTRUCTION DAY, ALL
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SEDIMENT DEPOSITED ON PUBLIC ROADWAYS WILL BE REMOVED AND RETURNED TO
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THE CONSTRUCTION SITE. WASHING THE ROADWAY WITH WATER IS NOT PERMITTED.
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C. SILT FENCE
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1.THE FENCE INSTALLATION SHOULD BE INSPECTED AFTER EACH RUNOFF EVENT. ANY
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NECESSARY REPAIRS WILL BE MADE IMMEDIATELY.
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2.ACCUMULATED SEDIMENTS WILL BE REMOVED AS REQUIRED TO KEEP THE FENCE
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FUNCTIONAL. IN ALL CASES REMOVE DEPOSITS WHERE ACCUMULATIONS REACH
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1/2 THE ABOVE GROUND HEIGHT OF THE FENCE.
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3.ANY FENCE SECTION WHICH HAS BE UNDERMINED OR TOPPED MUST BE IMMEDIATELY
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REPLACED WITH A ROCK FILTER OUTLET. SEE ROCK FILTER OUTLET DETAIL.
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4.ADHERE TO ANY MANUFACTURERS RECOMMENDATIONS FOR REPLACING FILTER FABRIC
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FENCE DUE TO WEATHERING.
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D. COMPOST FILTER SOCKS
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1.SOCKS SHALL BE INSPECTED WEEKLY AND AFTER EACH RUNOFF EVENT. DAMAGED
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SOCKS SHALL BE REPAIRED ACCORDING TO MANUFACTURER'S SPECIFICATIONS OR
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REPLACED WITHIN 24 HOURS OF INSPECTION OR SHALL BE IMMEDIATELY REPLACED
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WITH A ROCK FILTER OUTLET.
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2.BIODEGRADABLE FILTER SOCKS SHALL BE REPLACED AFTER 6 MONTHS;
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PHOTODEGRADABLE SOCKS AFTER 1 YEAR. POLYPROPYLENE SOCKS SHALL BE
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REPLACED ACCORDING TO MANUFACTURER'S RECOMMENDATIONS.
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3.UPON STABILIZATION OF THE AREA TRIBUTARY TO THE SOCK, STAKES SHALL BE
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REMOVED. THE SOCK MAY BE LEFT IN PLACE AND VEGETATED OR REMOVED. IN
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THE LATTER CASE, THE MESH SHALL BE CUT OPEN AND THE MULCH SPREAD AS
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A SOIL SUPPLEMENT.
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E. ROCK FILTERS
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1.ROCK FILTERS WILL BE REMOVED WHEN CLOGGED WITH SEDIMENTS. MATERIALS
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MUST BE WASHED COMPLETELY FREE OF ALL FOREIGN MATERIALS OR NEW ROCK
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USED TO REBUILD THE FILTER.
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F CONCRETE WASHOUT AREA
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1.CHECK WASHOUT FACILITIES DAILY TO DETERMINE IF IT HAS BEEN FILLED TO 75%%%
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CAPACITY. CHECK TO MAKE SURE LININGS ARE INTACT AND HAVE NOT BEEN DAMAGED.
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2.IF WASHOUT IS NEARING CAPACITY, VACUUM AND DISPOSE OF THE WASTE MATERIAL IN
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AN APPROVED MANNER. DO NOT DISCHARGE LIQUIDS TO WATERWAYS, STORM DRAINS,
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DIRECTLY ONTO GROUND OR SANITARY SEWER.
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3.REMOVE LIQUIDS OR COVER THE STRUCTURE PRIOR TO PREDICTED STORM EVENTS TO
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PREVENT OVERFLOWS.
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4.AFTER REMOVAL OF MATERIALS FROM WASHOUT, INSPECT FOR SIGNS OF WEAKENING
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OR DAMAGE. REBUILD STRUCTURE OR MAKE NECESSARY REPAIRS AND INSTALL NEW
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PLASTIC LINING AFTER EACH CLEANIN
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1.PRIOR TO CONSTRUCTION, TREES WITHIN A DELINEATED TREE PROTECTION ZONE PRIOR TO CONSTRUCTION, TREES WITHIN A DELINEATED TREE PROTECTION ZONE SHALL BE CLEARLY MARKED AT BREAST HEIGHT. THIS MARKING SHALL BE MAINTAINED UNTIL ALL CONSTRUCTION AND OTHER WORK HAS BEEN COMPLETED.
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PERENNIAL RYEGRASS
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85%%%
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PENNLAWN FESCUE
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95%%%
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ANNUAL RYEGRASS
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COVER SEEDED AREAS WITH AN ACCEPTABLE GEOTEXTLE EROSION
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PENNSTAR OR PENNFINE
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95%%%
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KENTUCKY BLUE GRASS VARIETIES
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85%%%
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95%%%
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95%%%
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INVITATION FOR BIDS. ALL SEED SHALL BE FURNISHED IN SCALE STANDARD
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3 TONS PER ACRE. ON STEEP SLOPE AREAS (GREATER THAN 3:1),
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SOD SHALL BE GROWN UNDER THE SUPERVISION OF THE
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85%%%
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85%%%
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CONTROL BLANKET.
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MULCH:
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SOD:
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PENNSYLVANIA DEPARTMENT OF AGRICULTURE BUREAU OF PLANT
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OR ROTTEN, AND SHALL BE APPLIED TO ALL AREAS AT A RATE OF
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KENTUCKY BLUEGRASS SOD (IF CALLED FOR)
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INDUSTRY OR SHALL BE COMPOSED OF ONLY BLUE TAC CERTIFIED
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ALL SEED SHALL BE FRESH. ALL NEW CROP SEED SHALL BE LABELED IN
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SHALL BE HAY WHICH IS FREE OF WEEDS AND SEEDS, NOT MOLDY
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REGULATIONS UNDER THE FEDERAL SEED ACT IN EFFECT ON THE DATE OF
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35%%%
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SEED:
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TO KIND, PERCENT BY WEIGHT, PURITY AND GERMINATION. THE GRASS SEED
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SEED.
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ACCORDANCE WITH THE U.S. DEPARTMENT OF AGRICULTURE RULES AND
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ON THE LIST FURNISHED WITH THE APPLICABLE PLAN. SEED MIX SHALL BE
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SHALL CONTAIN THE PERCENTAGES OF PURITY AND GERMINATION INDICATED
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FEET (MINIMUM). FOR SLOPE 3:1 OR GREATER, USE 7.5 POUNDS OF SEED
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AS SPECIFIED, SPREAD AT THE RATE OF 5 POUNDS PER 1,000 SQUARE
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35%%%
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WEIGHT
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PER 1,000 SQUARE FEET.
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NAME
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35%%%
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35%%%
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GERMINATION
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PARTS BY
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PURITY
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PERCENT
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40
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96 (3 BU)
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64 LBS OATS (2 BU) +
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20 LBS ANNUAL OR
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PERENNIAL RYEGRASS
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180 (3 BU)
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168 (3 BU)
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THE SOIL WHERE POSSIBLE. SECURE A SOIL TEST BEFORE APPLICATION OF
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180 (3 BU)
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SITE PREPARATION: APPLY 1 TON OF AGRICULTURAL-GRADE LIMESTONE PER
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RATE OF 3 TONS PER ACRE.
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LBS/ACRE:
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SPECIES:
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ACRE PLUS FERTILIZER AT THE RATE OF 50-50-50 PER ACRE. WORK INTO
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OR JAPANESE OR FOXTAIL MILLET
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PERMANENT SEEDING. AFTER SEEDING, MULCH WITH HAY OR STRAW AT A
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96 (3 BU)
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ANNUAL RYEGRASS
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40
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FOR LATE SPRING & SUMMER SEEDING (JUNE 16 TO AUGUST 15)
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35
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OR WINTER WHEAT
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40
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168 (3 BU)
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OR SUDANGRASS
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ANNUAL RYEGRASS
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OR SPRING OATS
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OR SPRING OATS
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168 (3 BU)
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FOR SPRING SEEDING (UP TO JUNE 15)
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OR WINTER RYE
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40
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OR WINTER RYE
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OR WINTER RYE
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OR WINTER WHEAT
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FOR LATE SUMMER & FALL SEEDING (AUGUST 16 AND LATER)
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180 (3 BU)
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(CAN BE USED BUT WILL WINTER KILL)
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96
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OR SPRING OATS PLUS RYEGRASS
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OR SPRING OATS
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ANNUAL RYEGRASS
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OR WINTER WHEAT
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PERENNIAL RYEGRASS
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30 LBS/AC
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10 LBS/AC
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COLLEGE OF AGRICULTURE AND PENNSYLVANIA BUREAU OF FORESTRY. SITE
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CREEPING RED FESCUE
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AFTER SEEDING, MULCH WITH HAY OR STRAW AT A RATE OF 3 TONS PER ACRE.
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FOR WELL TO MODERATELY DRAINED SOILS IN HEAVY SHADE:
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BASED ON RECOMMENDATIONS MADE BY THE PENNSYLVANIA STATE UNIVERSITY
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POSSIBLE. SECURE A SOIL TEST BEFORE APPLICATION OF PERMANENT SEEDING.
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PREPARATION: APPLY 1 TON OF AGRICULTURAL-GRADE LIMESTONE/ACRE PLUS
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FERTILIZER AT THE RATE OF 50-50-50 PER ACRE. WORK INTO THE SOIL WHERE
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LIME:
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AGRICULTURAL GRADE LIME SHALL BE APPLIED TO ALL DISTURBED
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AREAS PRIOR TO SEEDING AT THE RATE OF FOUR (4) TONS PER
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ACRE.
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MULCH:
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SOD:
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APPLIED MULCH SHALL BE EITHER HAY/STRAW OR HYDROMULCH.
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HAY/STRAW MULCH SHALL BE FREE OF WEEDS AND SEEDS, NOT
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MOLDY OR ROTTEN, AND SHALL BE APPLIED TO ALL AREAS AT A
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RATE OF 3 TONS PER ACRE. ON STEEP SLOPE AREAS (GREATER
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THAN 3:1), COVER SEEDED AREAS WITH AN ACCEPTABLE
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GEOTEXTLE EROSION CONTROL BLANKET. ALL AREAS RECEIVING
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HAY/STRAW MULCH SHALL BE IMMEDIATELY ANCHORED EITHER BY
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CRIMPING WITH A TRACTOR DRAWN IMPLEMENT OR WITH EMULSIFIED
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ASPHALT CONTAINING NO SOLVENTS OR DILUTING AGENTS TOXIC
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TO PLANT OR ANIMAL LIFE, UNIFORMLY APPLIED AT THE RATE OF
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31 GAL. PER 1,000 SQUARE YARDS.
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HYDROMULCH SHALL BE COMPOSED OF WOOD FIBER OR RECYLCLED
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PAPER, AND SHALL BE MECHANICALLY APPLIED AT THE RATE OF
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65 LBS PER 1,000 SQUARE FEET.
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KENTUCKY BLUEGRASS SOD (IF CALLED FOR)
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SOD SHALL BE GROWN UNDER THE SUPERVISION OF THE PA
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DEPARTMENT OF AGRICULTURE BUREAU OF PLANT INDUSTRY OR
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SHALL BE COMPOSED OF ONLY BLUE TAC CERTIFIED SEED.
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SEED:
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ALL SEED SHALL BE FRESH. ALL NEW CROP SEED SHALL BE
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LABELED IN ACCORDANCE WITH THE U.S. DEPARTMENT OF
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AGRICULTURE RULES AND REGULATIONS UNDER THE FEDERAL SEED
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ACT IN EFFECT ON THE DATE OF INVITATION FOR BIDS. ALL SEED
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SHALL BE FURNISHED IN SCALE STANDARD TO KIND, PERCENT BY
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WEIGHT, PURITY AND GERMINATION. THE GRASS SEED SHALL
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CONTAIN THE PERCENTAGES OF PURITY AND GERMINATION
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INDICATED ON THE LIST FURNISHED WITH THE APPLICABLE PLAN.
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SEED MIX SHALL BE AS SPECIFIED, SPREAD AT THE RATE OF 5
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POUNDS PER 1,000 SQUARE FEET (MINIMUM). FOR SLOPE 3:1 OR
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GREATER, USE 7.5 POUNDS OF SEED PER 1,000 SQUARE FEET.
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FERTILIZER:
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10-20-20 FERTILIZER SHALL BE APPLIED TO ALL DISTURBED
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AREAS PRIOR TO SEEDING AT THE RATE OF ONE THOUSAND
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(1,000) LBS PER ACRE.
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1. FOLLOW ALL GUIDELINES AND PROCEDURES AS STATED IN "GENERAL EROSION AND FOLLOW ALL FOLLOW ALL GUIDELINES AND PROCEDURES AS STATED IN "GENERAL EROSION AND FOLLOW ALL GUIDELINES AND PROCEDURES AS STATED IN "GENERAL EROSION AND SEDIMENT POLLUTION CONTROL NOTES" DURING THE ENTIRE CONSTRUCTION PROCEDURE. 2. CLEARLY DELINEATE ALL DISTURBANCE LIMITS AND TREES TO BE PROTECTED (AS APPLICABLE). CLEARLY DELINEATE ALL DISTURBANCE LIMITS AND TREES TO BE PROTECTED (AS APPLICABLE). DELINEATE THE LOCATION OF THE PROPOSED INFILTRATION FACILTIES WITH ORANGE CONSTRUCTION FENCING. AVOID EXCESSIVE CONSTRUCTION TRAFFIC OVER THE DELINEATED AREAS TO PREVENT SUBGRADE COMPACTION. 3. INSTALL THE STABILIZED CONSTRUCTION ENTRANCE WITH GEOTEXTILE LINER AT PROPOSED DRIVEWAY INSTALL THE STABILIZED CONSTRUCTION ENTRANCE WITH GEOTEXTILE LINER AT PROPOSED DRIVEWAY ENTRANCE AS SHOWN. SEDIMENT TRACKED ONTO ANY PUBLIC ROADWAY SHALL BE RETURNED TO THE CONSTRUCTION SITE BY THE END OF EACH WORK DAY AND THROUGHOUT THE DAY AS NEEDED OR DIRECTED BY THE CCCD OR TOWNSHIP AND DISPOSED IN THE MANNER DESCRIBED IN THIS PLAN. IN NO CASE SHALL THE SEDIMENT BE WASHED, SHOVELED, OR SWEPT INTO ANY ROADSIDE DITCH, STORM SEWER, OR SURFACE WATER. 4. INSTALL THE SECTIONS OF 12" COMPOST SILT SOCKS FOR THE LOT AS SHOWN. IMMEDIATELY REPLACE INSTALL THE SECTIONS OF 12" COMPOST SILT SOCKS FOR THE LOT AS SHOWN. IMMEDIATELY REPLACE ANY DAMAGED SILT SOCKS. SILT SOCKS SHOULD BE INSTALLED DOWNSLOPE AND EXTEND A MINIMUM OF 8 FEET AT A 45° ANGLE UPSLOPE. 5. CLEAR AND GRUB THE AREA OF THE PROPOSED DRIVEWAY, POLE BARN AND INFILTRATION BERM CLEAR AND GRUB THE AREA OF THE PROPOSED DRIVEWAY, POLE BARN AND INFILTRATION BERM LOCATIONS. BE SURE TO INSTALL TREE PROTECTION FENCING AROUND ANY TREES TO REMAIN. STOCKPILE TOPSOIL IN AREAS AS SHOWN ON THE PLAN. ROUGH GRADE THE DRIVEWAY AND PLACE STONE SUBBASE AS SOON AS PRACTICAL TO PREVENT EROSION OF THE SUBGRADE. 6. CRITICAL STAGE: CONSTRUCTION OVERSIGHT SHALL BE REQUIRED FOR THE INSTALLATION OF THIS BMP. CRITICAL STAGE: CONSTRUCTION OVERSIGHT SHALL BE REQUIRED FOR THE INSTALLATION OF THIS BMP. : CONSTRUCTION OVERSIGHT SHALL BE REQUIRED FOR THE INSTALLATION OF THIS BMP. A LICENSED PROFESSIONAL ENGINEER KNOWLEDGEABLE IN THE DESIGN AND CONSTRUCTION OF STORMWATER BMPS, PREFERABLY THE DESIGN ENGINEER, SHALL CONDUCT THE OVERSIGHT. CONSTRUCT THE ON-LOT INFILTRATION BERM AND INFILTRATION BED. BE SURE TO SEAL INFILTRATION BERM INLET GRATE WITH EXTERIOR GRADE PLYWOOD AND WATER-TIGHT SEAL UNTIL TRIBUTARY AREA IS STABILIZED WITH 70% PERMANENT VEGETATIVE COVER. IMMEDIATELY STABILIZE THESE DISTURBED AREAS WITH THE SPECIFIED EROSION CONTROL BLANKETS AND PERMANENT SEED MIXTURE, MULCH AT 3 TONS/ACRE, AND LIME AS PRESCRIBED. 7. BEGIN EXCAVATION FOR PROPOSED BUILDING FOOTERS. STOCKPILE SOIL IN AREAS AS SHOWN ON THE BEGIN EXCAVATION FOR PROPOSED BUILDING FOOTERS. STOCKPILE SOIL IN AREAS AS SHOWN ON THE PLAN. POUR BUILDING FOOTERS AND CONSTRUCT FOUNDATION. BACKFILL BUILDING FOUNDATION AND BRING ALL YARD AREAS TO GRADE. IMMEDIATELY STABILIZE THESE DISTURBED AREAS WITH THE SPECIFIED EROSION CONTROL BLANKETS AND PERMANENT SEED MIXTURE, MULCH AT 3 TONS/ACRE, AND LIME AS PRESCRIBED. 8. BEGIN THE PROPOSED POLE BARN CONSTRUCTION, IMMEDIATELY STABILIZE THESE DISTURBED AREAS BEGIN THE PROPOSED POLE BARN CONSTRUCTION, IMMEDIATELY STABILIZE THESE DISTURBED AREAS WITH THE SPECIFIED EROSION CONTROL BLANKETS AND PERMANENT SEED MIXTURE, MULCH AT 3 TONS/ACRE, AND LIME AS PRESCRIBED. 9. INSTALL ANY ROOF LEADER CONNECTIONS REQUIRED. THE PROPOSED POLE BARN SHALL DIRECT ALL INSTALL ANY ROOF LEADER CONNECTIONS REQUIRED. THE PROPOSED POLE BARN SHALL DIRECT ALL ROOF RUNOFF TO THE INFILTRATION BERM. ALL ROOF LEADERS SHALL BE CONSTRUCTED USING 6" DIAMETER HDPEP, SHALL HAVE A MINIMUM SLOPE OF 1% AND SHALL HAVE A MINIMUM 18" OF COVER. INSTALL ANY REMAINING UTILITIES SUCH AS WATER, GAS, ELECTRIC, CABLE AND TELEPHONE. IMMEDIATELY STABILIZE ANY DISTURBED AREAS WITH THE SPECIFIED EROSION CONTROL BLANKETS AND PERMANENT SEED MIXTURE, MULCH AT 3 TONS/ACRE, AND LIME AS PRESCRIBED. 10. INSTALL ANY REMAINING IMPROVEMENTS AND CONSTRUCT THE DRIVEWAY TO BINDER REMOVE ANY INSTALL ANY REMAINING IMPROVEMENTS AND CONSTRUCT THE DRIVEWAY TO BINDER REMOVE ANY SEDIMENT FROM THE STORMWATER FACILITIES THAT MAY HAVE ACCUMULATED DURING THE CONSTRUCTION PROCESS. 11. AFTER CONSTRUCTION IS COMPLETE AND ALL DISTURBED AREAS ARE 70% STABILIZED WITH A UNIFORM AFTER CONSTRUCTION IS COMPLETE AND ALL DISTURBED AREAS ARE 70% STABILIZED WITH A UNIFORM PERMANENT VEGETATIVE COVER, REMOVE ALL COMPOST SILT SOCKS. IMMEDIATELY STABILIZE ANY REMAINING DISTURBED AREAS AND AREAS DISTURBED BY THE REMOVAL OF EROSION CONTROL FACILITIES WITH THE PERMANENT SEED MIXTURE, MULCH AT 3 TONS/ACRE, AND LIME AS PRESCRIBED. 12. AFTER FULL SITE STABILIZATION IS ACHIEVED, REMOVE THE PLYWOOD SEAL FROM THE INFILTRATION AFTER FULL SITE STABILIZATION IS ACHIEVED, REMOVE THE PLYWOOD SEAL FROM THE INFILTRATION BERM INLET AND INSTALL THE PERMANENT GRATE TO ALLOW FULL FLOW TO THE INFILTRATION FACILITY BE SURE TO FOLLOW ALL STORM WATER MAITENANCE GUIDLINES AS OUTLINED ON THE PLAN.
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A LICENSED PROFESSIONAL OR DESIGNEE SHALL BE PRESENT ON SITE AND INSPECT DURING
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THE CRITICAL STAGES OF BMP INSTALLATION. THE CRITICAL STAGES ARE:
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SILT FENCE/COMPOST FILTER SOCKS AND LIMIT OF DISTURBANCE FENCE:
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1. ENSURE SENSITIVE/SPECIAL FEATURES AND INFILTRATION AREAS ARE PROTECTED.
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INFILTRATION BED AREAS:
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1. OBSERVE INFILTRATION BED EARTHWORK/EXCAVATION FOR MINIMIZED SOIL COMPACTION.
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OBSERVE INFILTRATION BED CONSTRUCTION TO ENSURE CONTSRUCTED PER DESIGN.
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2. MAKE SURE AREAS TRIBUTARY TO INFILTRATION BEDS ARE STABILIZED AND ALL IN-LINE
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STRUCTURES ARE CLEAR OF SEDIMENT AND DEBRIS PRIOR TO RECEIVING STORMWATER
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RUNOFF.
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INFILTRATION BERM AREAS:
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1. INSPECT INFILTRATION BERM AREAS TO ENSURE THEY HAVE BEEN CONSTRUCTED PROPERLY.
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THE LANDOWNER ACKNOWLEDGES THAT, PER THE PROVISIONS OF THE MUNICIPALITY'S
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STORMWATER MANAGEMENT ORDINANCE, IT IS UNLAWFUL TO MODIFY, REMOVE, FILL,
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PERMANENT STORMWATER MANAGEMENT BMP OR CONVEYANCE DESCRIBED IN THIS O&M
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LANDSCAPE, ALTER OR IMPAIR THE EFFECTIVENESS OF, OR PLACE ANY STRUCTURE, OTHER
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VEGETATION, YARD WASTE, BRUSH CUTTINGS, OR OTHER WASTE OR DEBRIS INTO ANY
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PLAN OR TO ALLOW THE BMP OR CONVEYANCE TO EXIST IN A CONDITION WHICH DOES NOT
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CONFORM TO THIS O&M PLAN, WITHOUT WRITTEN APPROVAL FROM THE MUNICIPALITY.
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(LANDOWNER)
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(DATE)
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I HEREBY ACKNOWLEDGE THE STORMWATER SYSTEM CONSTRUCTED PER THIS PLAN TO BE A PERMANENT FIXTURE THAT CAN BE ALTERED OR REMOVED ONLY AFTER APPROVAL OF A REVISED PLAN BY WEST WHITELAND TOWNSHIP.
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, ON THIS DATE , , ON THIS DATE , , , (DESIGN ENGINEER) (DATE OF SIGNATURE) HAS REVIEWED AND HEREBY CERTIFIES TO THE BEST OF HIS KNOWLEDGE THAT THE DRAINAGE PLAN MEETS ALL DESIGN STANDARDS AND CRITERIA OF THE WEST WHITELAND TOWNSHIP STORMWATER MANAGEMENT ORDINANCE OF 2004, AS AMENDED.
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1. ALL EARTH DISTURBANCES, INCLUDING CLEARING AND GRUBBING AS WELL AS CUTS AND
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FILLS SHALL BE DONE IN ACCORDANCE WITH THE APPROVED E&S PLAN. A COPY OF THE
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APPROVED DRAWINGS (STAMPED, SIGNED AND DATED BY THE REVIEWING AGENCY) MUST
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BE AVAILABLE AT THE PROJECT SITE AT ALL TIMES. THE REVIEWING AGENCY SHALL BE
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NOTIFIED OF ANY CHANGES TO THE APPROVED PLAN PRIOR TO IMPLEMENTATION OF THOSE
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CHANGES. THE REVIEWING AGENCY MAY REQUIRE A WRITTEN SUBMITTAL OF THOSE
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CHANGES FOR REVIEW AND APPROVAL AT ITS DISCRETION.
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2. AT LEAST 7 DAYS PRIOR TO STARTING ANY EARTH DISTURBANCE ACTIVITIES, INCLUDING
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CLEARING AND GRUBBING, THE OWNER AND/OR OPERATOR SHALL INVITE ALL CONTRACTORS,
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THE LANDOWNER, APPROPRIATE MUNICIPAL OFFICIALS, THE E&S PLAN PREPARER, THE PCSM
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PLAN PREPARER & THE LICENSED PROFESSIONAL RESPONSIBLE FOR OVERSIGHT TO AN
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ON-SITE PRECONSTRUCTION MEETING.
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3. AT LEAST 3 DAYS PRIOR TO STARTING ANY EARTH DISTURBANCE ACTIVITIES, OR EXPANDING
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INTO AN AREA PREVIOUSLY UNMARKED, THE PENNSYLVANIA ONE CALL SYSTEM INC. SHALL
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BE NOTIFIED AT 1-800-242-1776 FOR THE LOCATION OF EXISTING UNDERGROUND UTILITIES.
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4. ALL EARTH DISTURBANCE ACTIVITIES SHALL PROCEED IN ACCORDANCE WITH THE SEQUENCE
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PROVIDED ON THE PLAN DRAWINGS. DEVIATION FROM THAT SEQUENCE MUST BE APPROVED
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IN WRITING FROM THE LOCAL MUNICIPAL AUTHORITY PRIOR TO IMPLEMENTATION.
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5. AREAS TO BE FILLED ARE TO BE CLEARED, GRUBBED, AND STRIPPED OF TOPSOIL TO REMOVE
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TREES, VEGETATION, ROOTS AND OTHER OBJECTIONABLE MATERIAL.
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6. CLEARING, GRUBBING, AND TOPSOIL STRIPPING SHALL BE LIMITED TO THOSE AREAS
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DESCRIBED IN EACH STAGE OF THE CONSTRUCTION SEQUENCE. GENERAL SITE CLEARING,
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GRUBBING AND TOPSOIL STRIPPING MAY NOT COMMENCE IN ANY STAGE OR PHASE OF THE
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PROJECT UNTIL THE E&S BMPS SPECIFIED BY THE BMP SEQUENCE FOR THAT STAGE OR
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PHASE HAVE BEEN INSTALLED AND ARE FUNCTIONING AS DESCRIBED IN THIS E&S PLAN.
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7. AT NO TIME SHALL CONSTRUCTION VEHICLES BE ALLOWED TO ENTER AREAS OUTSIDE THE
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LIMIT OF DISTURBANCE BOUNDARIES SHOWN ON THE PLAN MAPS.
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8. TOPSOIL REQUIRED FOR THE ESTABLISHMENT OF VEGETATION SHALL BE STOCKPILED AT THE
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LOCATION(S) SHOWN ON THE PLAN MAPS(S) IN THE AMOUNT NECESSARY TO COMPLETE THE
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FINISH GRADING OF ALL EXPOSED AREAS THAT ARE TO BE STABILIZED BY VEGETATION. EACH
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STOCKPILE SHALL BE PROTECTED IN THE MANNER SHOWN ON THE PLAN DRAWINGS. STOCKPILE
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HEIGHTS SHALL NOT EXCEED 35 FEET. STOCKPILE SLOPES SHALL BE 2H:1V OR FLATTER.
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9. IMMEDIATELY UPON DISCOVERING UNFORESEEN CIRCUMSTANCES POSING THE POTENTIAL FOR
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ACCELERATED EROSION AND/OR SEDIMENT POLLUTION, THE OPERATOR SHALL IMPLEMENT
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APPROPRIATE BEST MANAGEMENT PRACTICES TO MINIMIZE THE POTENTIAL FOR EROSION AND
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SEDIMENT POLLUTION AND NOTIFY THE LOCAL MUNICPAL AUTHORITY.
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10.ALL BUILDING MATERIALS AND WASTES SHALL BE REMOVED FROM THE SITE AND RECYCLED
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OR DISPOSED OF IN ACCORDANCE WITH THE DEPARTMENT'S SOLID WASTE MANAGEMENT
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REGULATIONS AT 25 PA. CODE 260.1 ET SEQ., 271.1, AND 287.1 ET. SEQ. NO BUILDING
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MATERIALS OR WASTES OR UNUSED BUILDING MATERIALS SHALL BE BURNED, BURIED,
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DUMPED, OR DISCHARGED AT THE SITE.
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11.ALL OFF-SITE WASTE AND BORROW AREAS MUST HAVE AN E&S PLAN APPROVED BY THE
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LOCAL MUNICIPAL AUTHORITY PRIOR TO BEING ACTIVATED.
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12.THE CONTRACTOR IS RESPONSIBLE FOR ENSURING THAT ANY MATERIAL BROUGHT ON SITE IS
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CLEAN FILL. FORM FP-001 MUST BE RETAINED BY THE PROPERTY OWNER FOR ANY FILL
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MATERIAL AFFECTED BY A SPILL OR RELEASE OF A REGULATED SUBSTANCE BUT QUALIFYING
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AS CLEAN FILL DUE TO ANALYTICAL TESTING.
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13.ALL PUMPING OF WATER FROM ANY WORK AREA SHALL BE DONE ACCORDING TO THE
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PROCEDURE DESCRIBED IN THIS PLAN, OVER UNDISTURBED VEGETATED AREAS.
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14.UNTIL THE SITE IS STABILIZED, ALL EROSION AND SEDIMENT BMPS SHALL BE MAINTAINED
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PROPERLY. MAINTENANCE SHALL INCLUDE INSPECTIONS OF ALL EROSION AND SEDIMENT
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BMPS AFTER EACH RUNOFF EVENT AND ON A WEEKLY BASIS. ALL PREVENTATIVE AND
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REMEDIAL MAINTENANCE WORK, INCLUDING CLEAN OUT, REPAIR, REPLACEMENT, REGRADING
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RESEEDING, REMULCHING AND RENETTING MUST BE PERFORMED IMMEDIATELY. IF THE E&S
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BMPS FAIL TO PERFORM AS EXPECTED, REPLACEMENT BMPS, OR MODIFICATIONS OF THOSE
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INSTALLED WILL BE REQUIRED.
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15.A LOG SHOWING DATES THAT E&S BMPS WERE INSPECTED AS WELL AS ANY DEFICIENCIES
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FOUND AND THE DATE THEY WERE CORRECTED SHALL BE MAINTAINED ON THE SITE AND BE
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MADE AVAILABLE TO REGULATORY AGENCY OFFICIALS AT THE TIME OF INSPECTION.
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16.SEDIMENT TRACKED ONTO ANY PUBLIC ROADWAY OR SIDEWALK SHALL BE RETURNED TO THE
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CONSTRUCTION SITE BY THE END OF EACH WORK DAY AND THROUGHOUT THE DAY AS NEEDED
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OR DIRECTED BY THE CCCD OR TOWNSHIP AND DISPOSED IN THE MANNER DESCRIBED IN THIS
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PLAN. IN NO CASE SHALL THE SEDIMENT BE WASHED, SHOVELED, OR SWEPT INTO ANY
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ROADSIDE DITCH, STORM SEWER, OR SURFACE WATER.
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17.ALL SEDIMENT REMOVED FROM BMPS SHALL BE DISPOSED OF IN THE MANNER DESCRIBED ON
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THE PLAN DRAWINGS.
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18.AREAS WHICH ARE TO BE TOPSOILED SHALL BE SCARIFIED TO A MINIMUM DEPTH OF 3 TO 5
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INCHES - 6 TO 12 INCHES ON COMPACTED SOILS - PRIOR TO PLACEMENT OF TOPSOIL.
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AREAS TO BE VEGETATED SHALL HAVE A MINIMUM 4 INCHES OF TOPSOIL IN PLACE PRIOR TO
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SEEDING AND MULCHING. FILL OUTSLOPES SHALL HAVE A MINIMUM OF 2 INCHES OF TOPSOIL.
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19.ALL FILLS SHALL BE COMPACTED AS REQUIRED TO REDUCE EROSION, SLIPPAGE, SETTLEMENT,
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SUBSIDENCE OR OTHER RELATED PROBLEMS. FILL INTENDED TO SUPPORT BUILDINGS,
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STRUCTURES AND CONDUITS, ETC. SHALL BE COMPACTED IN ACCORDANCE WITH LOCAL
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REQUIREMENTS OR CODES.
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20.ALL EARTHEN FILLS SHALL BE PLACED IN COMPACTED LAYERS NOT TO EXCEED 9 INCHES IN
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THICKNESS.
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21.FILL MATERIALS SHALL BE FREE OF FROZEN PARTICLES, BRUSH, ROOTS, SOD, OR OTHER
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FOREIGN OR OBJECTIONABLE MATERIALS THAT WOULD INTERFERE WITH OR PREVENT
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CONSTRUCTION OF SATISFACTORY FILLS.
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22.FROZEN MATERIALS OR SOFT, MUCKY, OR HIGHLY COMPRESSIBLE MATERIALS SHALL NOT BE
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INCORPORATED INTO FILLS.
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23.FILL SHALL NOT BE PLACED ON SATURATED OR FROZEN SURFACES.
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24.SEEPS OR SPRINGS ENCOUNTERED DURING CONSTRUCTION SHALL BE HANDLED IN
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ACCORDANCE WITH THE STANDARD AND SPECIFICATION FOR SUBSURFACE DRAIN OR OTHER
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APPROVED METHOD.
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25.ALL GRADED AREAS SHALL BE PERMANENTLY STABILIZED IMMEDIATELY UPON REACHING
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FINISHED GRADE. CUT SLOPES IN COMPETENT BEDROCK AND ROCK FILLS NEED NOT BE
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VEGETATED. SEEDED AREAS WITHIN 50 FEET OF A SURFACE WATER, OR AS OTHERWISE SHOWN
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ON THE PLAN DRAWINGS, SHALL BE BLANKETED ACCORDING TO THE STANDARDS OF THIS PLAN.
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26.IMMEDIATELY AFTER EARTH DISTURBANCE ACTIVITIES CEASE IN ANY AREA OR SUBAREA OF THE
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PROJECT, THE OPERATOR SHALL STABILIZE ALL DISTURBED AREAS. DURING NON-GERMINATING
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MONTHS, MULCH OR PROTECTIVE BLANKETING SHALL BE APPLIED AS DESCRIBED IN THE PLAN.
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AREAS NOT AT FINISHED GRADE, WHICH WILL BE REACTIVATED WITHIN 1 YEAR, MAY BE
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STABILIZED IN ACCORDANCE WITH THE TEMPORARY STABILIZATION SPECIFICATIONS. THOSE
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AREAS WHICH WILL NOT BE REACTIVATED WITHIN 1 YEAR SHALL BE STABILIZED IN
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ACCORDANCE WITH THE PERMANENT STABILIZATION SPECIFICATIONS.
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27.PERMANENT STABILIZATION IS DEFINED AS A MINIMUM UNIFORM, PERENNIAL 70%%% VEGETATIVE
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COVER OR OTHER PERMANENT NON-VEGETATIVE COVER WITH A DENSITY SUFFICIENT TO
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RESIST ACCELERATED EROSION. CUT AND FILL SLOPES SHALL BE CAPABLE OF RESISTING
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FAILURE DUE TO SLUMPING, SLIDING, OR OTHER MOVEMENTS.
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28.E&S BMPS SHALL REMAIN FUNCTIONAL AS SUCH UNTIL ALL AREAS TRIBUTARY TO THEM ARE
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PERMANENTLY STABILIZED OR UNTIL THEY ARE REPLACED BY ANOTHER BMP APPROVED BY
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THE LOCAL MUNICIPAL AUTHORITY.
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29.UPON COMPLETION OF ALL EARTH DISTURBANCE ACTIVITIES AND PERMANENT STABILIZATION OF
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ALL DISTURBED AREAS, THE OWNER AND/OR OPERATOR SHALL CONTACT THE LOCAL
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MUNICIPAL AUTHORITY FOR AN INSPECTION PRIOR TO REMOVAL/CONVERSION OF THE BMPS.
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30.AFTER FINAL SITE STABILIZATION HAS BEEN ACHIEVED, TEMPORARY EROSION AND SEDIMENT
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BMPS MUST BE REMOVED OR CONVERTED TO PERMANENT POST CONSTRUCTION STORMWATER
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MANAGEMENT BMPS. AREAS DISTURBED DURING REMOVAL OR CONVERSION OF THE BMPS
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SHALL BE STABILIZED IMMEDIATELY. IN ORDER TO ENSURE RAPID REVEGETATION OF DISTURBED
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AREAS, SUCH REMOVAL/CONVERSIONS ARE TO BE DONE ONLY DURING THE GERMINATING
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SEASON.
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31.UPON COMPLETION OF ALL EARTH DISTURBANCE ACTIVITIES AND PERMANENT STABILIZATION OF
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ALL DISTURBED AREAS, THE OWNER AND/OR OPERATOR SHALL CONTACT THE LOCAL
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MUNICIPAL AUTHORITY TO SCHEDULE A FINAL INSPECTION.
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32.FAILURE TO CORRECTLY INSTALL E&S BMPS, FAILURE TO PREVENT SEDIMENT-LADEN RUNOFF
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FROM LEAVING THE CONSTRUCTION SITE, OR FAILURE TO TAKE IMMEDIATE CORRECTIVE ACTION
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TO RESOLVE FAILURE OF E&S BMPS MAY RESULT IN ADMINISTRATIVE, CIVIL, AND/OR CRIMINAL
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PENALTIES BEING INSTITUTED BY THE DEPARTMENT AS DEFINED IN SECTION 602 OF THE
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PENNSYLVANIA CLEAN STREAMS LAW. THE CLEAN STREAMS LAW PROVIDES FOR UP TO
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$10,000 PER DAY IN CIVIL PENALTIES, UP TO $10,000 IN SUMMARY CRIMINAL PENALTIES,
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AND UP TO $25,000 IN MISDEMEANOR CRIMINAL PENALTIES FOR EACH VIOLATION.
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33.CONCRETE WASH WATER SHALL BE HANDLED IN THE MANNER DESCRIBED ON THE PLAN
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DRAWINGS. IN NO CASE SHALL IT BE ALLOWED TO ENTER ANY SURFACE WATERS OR
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GROUNDWATER SYSTEMS.
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34.ALL CHANNELS SHALL BE KEPT FREE OF OBSTRUCTIONS INCLUDING BUT NOT LIMITED TO FILL,
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ROCKS, LEAVES, WOODY DEBRIS, ACCUMULATED SEDIMENT, EXCESS VEGETATION, AND
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CONSTRUCTION MATERIAL/WASTES.
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35.UNDERGROUND UTILITIES CUTTING THROUGH ANY ACTIVE CHANNEL SHALL BE IMMEDIATELY
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BACKFILLED AND THE CHANNEL RESTORED TO ITS ORIGINAL CROSS-SECTION AND PROTECTIVE
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LINING. ANY BASE FLOW WITHIN THE CHANNEL SHALL BE CONVEYED PAST THE WORK AREA
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IN THE MANNER DESCRIBED IN THIS PLAN UNTIL SUCH RESTORATION IS COMPLETE.
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36.SEDIMENT BASINS AND/OR TRAPS SHALL BE KEPT FREE OF ALL CONSTRUCTION WASTE, WASH
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WATER, AND OTHER DEBRIS HAVING POTENTIAL TO CLOG THE BASIN/TRAP OUTLET STRUCTURES
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AND/OR POLLUTE THE SURFACE WATERS.
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37.SEDIMENT BASINS SHALL BE PROTECTED FROM UNAUTHORIZED ACTS BY THIRD PARTIES.
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38.ANY DAMAGE THAT OCCURS IN WHOLE OR IN PART AS A RESULT OF BASIN OR TRAP
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DISCHARGE SHALL BE IMMEDIATELY REPAIRED BY THE PERMITTEE IN A PERMANENT MANNER
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SATISFACTORY TO THE MUNICIPALITY, LOCAL CONSERVATION DISTRICT, AND THE OWNER OF THE
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DAMAGED PROPERTY.
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39.EROSION CONTROL BLANKETING SHALL BE INSTALLED ON ALL SLOPES 3H:1V OR STEEPER
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WITHIN 50 FEET OF A SURFACE WATER AND ON ALL OTHER DISTURBED AREAS SPECIFIED ON
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THE PLAN MAPS AND/OR DETAIL SHEETS.
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40.FILL MATERIAL FOR EMBANKMENTS SHALL BE FREE OF ROOTS, OR OTHER WOODY VEGETATION,
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ORGANIC MATERIAL, LARGE STONES, AND OTHER OBJECTIONABLE MATERIALS. THE EMBANKMENT
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SHALL BE COMPACTED IN MAXIMUM 8" LAYERED LIFTS AT 90%%% DENSITY.
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AQUA PA BUCKEYE COMCAST CABLE PECO LEVEL 3 COMM SUNOCO ME2 SUNOCO PIPELINE TRANSCO GAS PIPELINE W WHITELAND TWP VERIZON EASTERN
ON THE PLAN OR THAT ALL UTILITIES HAVE BEEN SHOWN.
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THE CONTRACTOR SHALL VERIFY THE LOCATIONS OF ALL
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SUBSURFACE UTILITIES PRIOR TO STARTING WORK.
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1-800-242-1776
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POCS SERIAL NUMBER:
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LOCATION:
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PROJECT No.:
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SURVEY REF.:
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DRAWN BY:
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CHECKED BY:
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PLAN DATE:
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PLAN SCALE:
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SHEET TITLE:
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SHEET NUMBER:
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OF
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CLIENT:
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PARCELS:
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UTILITY USERS LIST
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1-800-242-1776
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!
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REV
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DATE
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DESCRIPTION OF CHANGES
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PLAN REVISIONS
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This plan is a reproduction of an original plan that is the property of JMR Engineering, LLC. If this plan does not bear the signature and seal
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of the Professional Engineer responsible for the project, whose name appears in the adjacent Title Block, it shall be considered an unauthorized
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copy. Any reuse or adaptation of the plan or the information contained on the plan without the express written consent of JMR Engineering, LLC
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will be at the user's sole risk and without any liability to JMR Engineering, LLC. Written dimensions on the drawings shall have precedence over
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scaled dimensions. Contractors shall notify this office of any variations from the dimensions and conditions shown on this plan.
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DAVID E. RENTSCHLER
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20182361781
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D.E.R.
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E.C.R.
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1318-B
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1318-B(DSS)
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AS NOTED
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OCTOBER 24, 2018
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%%c 18.64"
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1.25"
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%%c 22.13"
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(NOT TO SCALE)
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1.25"
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2.75"
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NOTES:
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1. NYLOPLAST PRODUCT No.1899CGS. APPROXIMATE DRAIN AREA = 116.72 SQ IN.
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APPROXIMATE WEIGHT WITH FRAME = 68.50 LBS
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2. GRATE MEETS H-20 LOAD RATING.
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3. QUALITY: MATERIALS SHALL CONFORM TO ASTM A536 GRADE 70-50-05
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4. PAINT: CASTINGS ARE FURNISHED WITH A BLACK PAINT
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NOTES:
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DO NOT POLLUTE
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DRAINS TO WATERWAYS
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NYLOPLAST
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DUCTILE IRON
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REMOVE GRATE AND SEAL INLET WITH 1/2"
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EXTERIOR GRADE PLYWOOD AND EXTERIOR
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GRADE CAULK TO FORM A WATER-TIGHT SEAL.
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SEAL MUST REMAIN IN PLACE UNTIL 70%%% SITE
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STABILIZATION OF TRIBUATRY AREA.
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1. PRIOR TO CONSTRUCTION, INFILTRATION AREAS SHALL BE MARKED OFF IN THE FIELD. THE AREAS SHALL BE DELINEATED WITH CONSTRUCTION FENCING OR TAPE SO AS TO
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PREVENT THE PARKING OR REPEATED MOVEMENT OF CONSTRUCTION EQUIPMENT ACROSS THE INFILTRATION AREAS.
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2. EXISTING SUBGRADE UNDER THE INFILTRATION BED SHALL NOT BE COMPACTED OR SUBJECT TO EXCESSIVE CONSTRUCTION EQUIPMENT TRAFFIC PRIOR TO THE PLACEMENT OF
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GEOTEXTILE AND STONE BED.
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3. PRIOR TO INFILTRATION BED GRADING AND PLACEMENT OF GEOTEXTILE, UPGRADIENT AREAS SHALL BE SUFFICIENTLY STABILIZED TO PREVENT THE WASHING OF SEDIMENT INTO
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THE RECHARGE AREAS. ALTERNATIVELY, THE CONTRACTOR MAY INSTALL SILT SOCKS IN ACCORDANCE WITH THE APPROVED PLANS. IT IS THE CONTRACTOR'S RESPONSIBILITY
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TO PREVENT THE DEPOSITION OF SEDIMENT OR SEDIMENT-LADEN WATERS INTO THE INFILTRATION STRUCTURES AFTER FINAL GRADING.
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4. EXCAVATE PROPOSED INFILTRATION BED AREA TO FINAL BED BOTTOM ELEVATION. IF A LIMITING ZONE SUCH AS GROUNDWATER OR BEDROCK IS ENCOUNTERED AT ANY TIME
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DURING EXCAVATION OF THE INFILTRATION BED, EXCAVATION IS TO BE DISCONTINUED IN THE AFFECTED AREA AND THE OWNER AND ENGINEER NOTIFIED AT ONCE. ALL BED
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BOTTOMS SHOULD BE LEVEL AFTER FINAL GRADING. CONTACT A LICENSED PROFESSIONAL OR DESIGNEE, PREFERABLY THE DESIGN ENGINEER, TO INSPECT THE BED BOTTOM.
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5. UPON APPROVAL OF FINAL SUBGRADE PREPARATION, GEOTEXTILE, PEA GRAVEL/COURSE SAND BASE LAYER AND INFILTRATION BED AGGREGATE SHALL BE PLACED IMMEDIATELY.
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ANY ACCUMULATION OF DEBRIS OR SEDIMENT WHICH HAS TAKEN PLACE AFTER APPROVAL OF SUBGRADE SHALL BE REMOVED PRIOR TO INSTALLATION OF GEOTEXTILE AT NO
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EXTRA COST TO OWNER. WHERE EROSION HAS CAUSED ACCUMULATION OF FINE MATERIALS AND/OR SURFACE PONDING, THIS MATERIAL SHALL BE REMOVED WITH LIGHT
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EQUIPMENT & THE UNDERLYING SOILS SCARIFIED TO A MINIMUM DEPTH OF 6 INCHES.
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6. PLACE GEOTEXTILE IN ACCORDANCE WITH MANUFACTURER'S STANDARDS AND RECOMMENDATIONS. ADJACENT STRIPS OF GEOTEXTILE SHALL OVERLAP A MINIMUM OF TWENTY-
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FOUR (24) INCHES. SECURE FABRIC AT LEAST FOUR (4) FEET OUTSIDE OF BED AND TAKE STEPS NECESSARY TO PREVENT ANY SEDIMENT FROM ENTERING TRENCH.
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7. PLACE STONE AGGREGATE AND ALL STRUCTURES/PIPING AS REQUIRED. AGGREGATE SHALL BE CLEAN WITH A WASH LOSS OF NO MORE THAT 0.5 PERCENT. INSTALLATION OF
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THE STONE SHOULD BE CHECKED BY THE DESIGN OR SITE ENGINEER PRIOR TO INSTALLATION INTO THE INFILTRATION BMP TO ENSURE THAT IT IS CLEAN WASHED STONE.
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AGGREGATE THAT DOES NOT MEET THIS CRITERIA WILL BE REMOVED AT NO EXTRA COST TO THE OWNER AND THE BEDS RESTORED TO THE OWNER'S SATISFACTION.
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8. FOLLOWING PLACEMENT OF BED AGGREGATE, THE GEOTEXTILE SHALL BE FOLDED OVERTOP THE BED, WITH A MINIMUM OVERLAP OF TWENTY-FOUR (24) INCHES, TO PROTECT
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FROM SEDIMENT WASHOUT ALONG BED EDGES. TOPSOIL (OR APPROPRIATE MATERIAL SPECIFIED BY PARTICULAR DESIGN) WILL BE USED TO FILL ABOVE THE BED TO THE
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SPECIFIED HEIGHT.
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9. BACKFILL AND COVER STONE BED WITH EXCAVATED MATERIAL. ENSURE ALL BED INLETS ARE SEALED OFF WITH WATER-TIGHT SEALS TO PREVENT ANY SEDIMENT FROM
THE INFILTRATION AREAS SHALL BE INSPECTED PER THE LONG-TERM MONITORING AND MAINTENANCE
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SCHEDULE AS DESCRIBED ABOVE AND AS FOLLOWS:
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1. CHECK INLET SUMPS FOR ACCUMULATED SEDIMENT ONCE PER QUARTER AND AFTER EVERY STORM EVENT
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IN EXCESS OF 2" OF RAINFALL. SEDIMENT SHALL BE REMOVED WHEN AN ACCUMULATION OF 12 INCHES
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IS VISIBLE.
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2. REMOVE ACCUMULATED DEBRIS AND LITTER, ESPECIALLY AROUND INLET AREAS.
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3. INSPECT DOWNSPOUT FILTERS AND REMOVE ANY ACCUMULATED DEBRIS.
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4. REMOVE WOODY VEGETATION FROM ALL FLOOR AND EMBANKMENT AREAS. (PERFORM IF NEEDED)
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5. STABILIZE/REVEGETATE CONTRIBUTING AREAS TO REDUCE INCOMING SEDIMENTS. (PERFORM IF NEEDED)
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NON-ROUTINE MAINTENANCE OF THE INFILTRATION AREAS IS REQUIRED WHEN ANY OF THE FOLLOWING
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CONDITIONS ARE PRESENT:
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VISIBLE SIGNS OF DOWNSTREAM EROSION AND/OR SEDIMENT ACCUMULATION WITHIN INLET No.1.
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STANDING WATER IS VISIBLE WITHIN INLET No.1 AFTER 72 HOURS WITH NO RAINFALL.
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INSECTS AND/OR ODOR BECOMES PROBLEMATIC.
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VISIBLE DAMAGE TO THE MECHANICAL/STRUCTURAL COMPONENTS INCLUDING BUILDING DOWNSPOUTS.
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THE FOLLOWING LONG-TERM MONITORING AND MAINTENANCE SCHEDULE FOR THE PROPOSED
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INFILTRATION AREAS SHALL BE PROVIDED BY THE PROPERTY OWNER:
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NON-ROUTINE MAINTENANCE OF THE INFILTRATION BED IS REQUIRED WHEN STANDING WATER IS VISIBLE AFTER
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72 HOURS WITHIN INLET No.1.
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1. CHECK DISTRIBUTION PIPES FOR CLOGGING. REMOVE ANY DEBRIS THAT MAY BE PREVENTING RUNOFF FROM
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ENTERING THE STONE BED.
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2. IF IT IS DETERMINED THAT THE BED IS RECEIVING RUNOFF AND NOT INFILTRATING, THE BED SHALL BE
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REPLACED. BED REPLACEMENT SHALL FOLLOW THE ORIGINAL DESIGN SPECIFICATIONS, AND SEQUENCE OF
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CONSTRUCTION PROVIDED.
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INFILTRATION AREAS SHALL BE INSPECTED AS DESCRIBED BELOW AT LEAST ONCE PER YEAR AND AFTER ALL RAINSTORMS EXCEEDING 2.0 INCHES PER 24-HOUR PERIOD. AT A MINIMUM INSPECTION REPORTS SHALL BE SIGNED BY THE OWNER AND OWNER'S ENGINEER AND SUBMITTED TO THE TOWNSHIP ON A YEARLY BASIS TO ENSURE THAT ALL PERMANENT STORMWATER MANAGEMENT FACILITIES ARE OPERATING ACCORDING TO THE APPROVED STORMWATER MANAGEMENT PLAN. IN ADDITION, ALL MAINTENANCE ACTIVITIES SHALL BE DOCUMENTED AND PROVIDE WITH THE YEARLY REPORT.
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40%%% Virginia Wildrye, PA Ecotype (Elymus virginicus, PA Ecotype)
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29%%% Fox Sedge, PA Ecotype (Carex vulpinoidea, PA Ecotype)
1. REMOVE SEDIMENT/POLLUTANTS AND PROPERLY DISPOSE (PERFORM IF SEDIMENT HAS ACCUMULATED)
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2. STABILIZE/REVEGETATE EMBANKMENT AND BOTTOM AREAS. (PERFORM IF NEEDED)
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3. REPLACE BMP COMPONENTS, RECONSTRUCT EMBANKMENTS AND SPILLWAYS (PERFORM IF NEEDED).
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THE INFILTRATION AREAS AND PERMANENT SWALES SHALL BE INSPECTED PER THE LONG-TERM MONITORING
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AND MAINTENANCE SCHEDULE AS DESCRIBED ABOVE AND AS FOLLOWS:
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1. CHECK INLET SUMPS FOR ACCUMULATED SEDIMENT WEEKLY AND AFTER EVERY STORM EVENT IN EXCESS
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OF 2" OF RAINFALL. SEDIMENT SHALL BE REMOVED WHEN AN ACCUMULATION OF 12 INCHES IS VISIBLE.
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2. REMOVE ACCUMULATED DEBRIS AND LITTER, ESPECIALLY AROUND INLET AREAS.
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3. MOW BERM AND SWALE EMBANKMENTS TWICE PER YEAR WITH HEIGHTS PREFERABLY NOT LESS THAN 3 TO
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5 INCHES.
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4. REMOVE WOODY VEGETATION FROM ALL FLOOR AND EMBANKMENT AREAS. (PERFORM IF NEEDED)
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5. STABILIZE/REVEGETATE EMBANKMENT AND BOTTOM AREAS. (PERFORM IF NEEDED)
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6. STABILIZE/REVEGETATE CONTRIBUTING AREAS TO REDUCE INCOMING SEDIMENTS. (PERFORM IF NEEDED)
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NON-ROUTINE MAINTENANCE OF THE INFILTRATION AREAS AND PERMANENT SWALES IS REQUIRED WHEN ANY OF
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THE FOLLOWING CONDITIONS ARE PRESENT:
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VISIBLE SIGNS OF EROSION AND/OR SEDIMENT ACCUMULATION.
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STANDING WATER IS VISIBLE AFTER 72 HOURS.
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INSECTS AND/OR ODOR BECOMES PROBLEMATIC.
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VISIBLE DAMAGE TO THE EMBANKMENT OR MECHANICAL/STRUCTURAL COMPONENTS.
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THE FOLLOWING LONG-TERM MONITORING AND MAINTENANCE SCHEDULE FOR THE PROPOSED
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INFILTRATION AREAS AND PERMANENT SWALES SHALL BE PROVIDED BY THE SITE CONTRACTOR:
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1. INFILTRATION AREAS AND PERMANENT SWALES SHALL BE INSPECTED BY A REGISTERED
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PROFESSIONAL ENGINEER LICENSED IN THE COMMONWEALTH OF PENNSYLVANIA AS FOLLOWS:
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A. BI-MONTHLY UNTIL STABILIZATION AND PERMIT TRANSFER IS ACHIEVED.
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B. AFTER EVERY STORM EVENT OF TWO (2) OR MORE INCHES OF RAINFALL.
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NON-ROUTINE MAINTENANCE OF THE INFILTRATION BED IS REQUIRED WHEN STANDING WATER IS VISIBLE AFTER
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72 HOURS WITHIN INLET No. 1.
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1. CHECK DISTRIBUTION PIPES FOR CLOGGING. REMOVE ANY DEBRIS THAT MAY BE PREVENTING RUNOFF FROM
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ENTERING THE STONE BED.
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2. IF IT IS DETERMINED THAT THE BED IS RECEIVING RUNOFF AND NOT INFILTRATING, THE BED SHALL BE
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REPLACED. BED REPLACEMENT SHALL FOLLOW THE ORIGINAL DESIGN SPECIFICATIONS, AND SEQUENCE OF
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CONSTRUCTION PROVIDED.
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(NOT TO SCALE)
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UNDISTURBED
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EARTH
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PIPE DIA.
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PER
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PLAN
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AASHTO
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No.57
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BEDDING
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12"
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(MIN)
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6"(MIN)
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UTILITY,
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STORM OR
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SANITARY
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SEWER PIPE
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CLEAN
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EARTH
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FILL
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CLEAN
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EARTH
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FILL
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PAVING
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PER PLAN
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DETAILS
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4 FT MINIMUM COVER
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OVER WATER LINES
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3:1 (MAX)
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GRADE DRIVEWAY TO DRAIN TO PROPOSED INLET No.1.
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PREPARED SUBGRADE
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0.375"/FT
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VARIES (SEE PLAN VIEW)
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3:1 (MAX)
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(NOT TO SCALE)
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1.5" ID-2 WEARING COURSE
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NOTE:
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3:1 (MAX)
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3:1 (MAX)
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6" 2A TYPE C STONE COMPACTED
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2" ID-2 BASE COURSE
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CLASS 4 GEOTEXTILE
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(NOT TO SCALE)
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INVERT
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ELEVATION
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PER PLAN
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DOWNSPOUT
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ADAPTER
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2.50" x 3.25"
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ROOF DRAIN
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DOWNSPOUT
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[TYPICAL]
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6" PVC OR
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HDPEP
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'ELL' FITTING
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'TEE' FITTING
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FLOW
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1. ALL ROOF LEADERS SHALL BE A MINIMUM OF 6" DIAMETER HDPEP.
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2. ALL ROOF LEADERS SHALL HAVE A MINIMUM SLOPE OF 1%%%.
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3. ALL ROOF LEADERS SHALL HAVE A MINIMUM 18" OF COVER.
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4. CLEANOUTS SHALL BE PROVIDED AT ALL HORIZONTAL & VERTICAL
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CHANGES OF DIRECTION.
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NOTES:
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5. ALL ROOF LEADERS SHALL CONNECT TO INLET INFILTRATION BED No.1
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DISCHARGE
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HOSE
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NOTES:
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FILTER
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BAG
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PREVAILING SLOPE
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WELL VEGETATED, GRASSY AREA
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FLOW
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FLOW
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FLOW
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FLOW
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PUMP
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(NOT TO SCALE)
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1. FOR USE DURING STREAM CROSSING, DEWATERING, AND/OR IF GROUNDWATER
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IS ENCOUNTERED OR SURFACE WATER ACCUMULATES DURING GRADING AND
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CONSTRUCTION ACTIVITIES. ANY WATER ENCOUNTERED WITHIN THE PROJECT
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AREA SHALL BE PUMPED THROUGH THE SEDIMENT FILTRATION BAG PRIOR TO
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DISCHARGE.
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2. THE FILTRATION BAG SHOULD BE AN ACF ENVIRONMENTAL "DIRTBAG" OR
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APPROVED EQUAL MADE FROM NON-WOVEN GEOTEXTILE MATERIAL SEWN WITH
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HIGH STRENGTH, DOUBLE STITCHED "J" TYPE SEAMS. THEY SHALL BE CAPABLE
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OF TRAPPING PARTICLES LARGER THAN 150 MICRONS.
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3. A SUITABLE MEANS OF ACCESSING THE BAG WITH MACHINERY REQUIRED FOR
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DISPOSAL PURPOSES MUST BE PROVIDED. FILTER BAGS SHALL BE REPLACED
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WHEN THEY BECOME 1/2 FULL. SPARE BAGS SHALL BE KEPT AVAILABLE FOR
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REPLACEMENT OF THOSE THAT HAVE FAILED OR ARE FILLED.
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4. BAGS SHALL BE LOCATED IN WELL-VEGETATED (GRASSY) AREAS & DISCHARGE
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ONTO STABLE, EROSION RESISTANT AREAS. WHERE THIS IS NOT POSSIBLE, A
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GEOTEXTILE FLOW PATH SHALL BE PROVIDED. BAGS SHALL NOT BE PLACED
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ON SLOPES GREATER THAN 5%%%.
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5. THE PUMP DISCHARGE HOSE SHALL BE INSERTED INTO BAGS IN THE MANNER
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SPECIFIED BY THE MANUFACTURER AND SECURELY CLAMPED.
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6. THE PUMPING RATE SHALL BE NO GREATER THAN 750 GPM OR 1/2 THE
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MAXIMUM SPECIFIED BY THE MANUFACTURER, WHICHEVER IS LESS. PUMP
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INTAKES SHOULD BE FLOATING AND SCREENED.
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PLAN VIEW
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ELEVATION VIEW
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WELL
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VEGETATED,
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GRASSY
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AREA
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CLAMPS
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DISCHARGE
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HOSE
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CLAMPS
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INTAKE
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HOSE
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FILTER BAG
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PUMP
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10'
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15'
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2
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6'
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35' (MAX)
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18" SILT
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FENCE
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[TYPICAL]
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TOPSOIL
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(NOT TO SCALE)
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NOTE: SILT FENCE SHALL BE TRENCHED AND STAKED
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DOWNSLOPE OF THE STOCKPILE AREA
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1
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DRIPLINE OR END
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OF FEEDING ROOTS
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4'-0" HIGH ORANGE
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CONSTRUCTION FENCE
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ATTACHED TO 6'-0"
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HIGH WOOD POSTS
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SET INTO GROUND
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RETAIN EXISTING GROUND
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LEVEL AND ENSURE
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ADEQUATE DRAINAGE
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FROM TREE TRUNK
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ELEVATION
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FENCE MUST BE MAIN-
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TAINED THROUGHOUT
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ALL BUILDING PHASE(S)
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DURING WHICH TIME
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CONSTRUCTION MAY
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AFFECT TREES.
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NOTE:
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CIRCLE OF PROTECTIVE
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ORANGE CONSTRUCTION
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FENCING LOCATED AT
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DRIPLINE TO PREVENT
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SOIL COMPACTION AND
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DAMAGE TO ROOTS,
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TRUNK, AND BRANCHES.
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3" OF APPROVED MULCH
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FENCE MAY BE SQUARE,
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BUT MUST REMAIN
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OUTSIDE DRIPLINE
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PLAN
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(NOT TO SCALE)
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NO MATERIALS TO
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BE STORED WITHIN
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PROTECTION AREA
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FENCE MUST BE MAIN-
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TAINED THROUGHOUT
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ALL BUILDING PHASE(S)
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DURING WHICH TIME
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CONSTRUCTION MAY
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AFFECT TREES.
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NOTE:
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PLAN
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ELEVATION
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DRIPLINE OR END
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OF FEEDING ROOTS
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4'-0" HIGH ORANGE
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CONSTRUCTION
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FENCE ATTACHED
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TO 6'-0" HIGH
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WOOD POSTS SET
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INTO GROUND
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CIRCLE OF PROTECTIVE
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ORANGE CONSTRUCTION
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FENCING LOCATED AT
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DRIPLINE TO PREVENT
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SOIL COMPACTION AND
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DAMAGE TO ROOTS,
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TRUNK, AND BRANCHES
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NO MATERIALS TO
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BE STORED WITHIN
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PROTECTION AREA
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(NOT TO SCALE)
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SHALL BE 5/6 THE HEIGHT OF
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THE SPECIFIED SILT SOCK
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THE HEIGHT OF ROCK FILTER
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FILTREXX COMPOST
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SILT SOCK OR
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WATER FLOW
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1(MIN)
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AASHTO #1
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1(MIN)
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1
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AASHTO #57 (6" MIN)
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1
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6' (MIN)
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HEIGHT OF THE ROCK FILTER OUTLETS.
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(NOT TO SCALE)
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1. SEDIMENT MUST BE REMOVED WHEN ACCUMULATIONS REACH 1/3 THE
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SOCK.
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2. THE HEIGHT OF THE ROCK FILTER SHALL BE 5/6 THE HEIGHT OF THE SILT
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NOTES:
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1' (MIN)
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24" COMPOST
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SILT SOCK
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APPROVED EQUIVALENT
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2' (MIN)
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300 LB. BREAKING STRENGTH
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POLYESTER REINFORCING CORD
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(NOT TO SCALE)
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48"
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ORANGE HIGH DENSITY
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POLYETHYLENE FENCING
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4' x 150' (300 SQ. FT.)
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SUPPORT POST THREADED
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THROUGH FENCING
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NOTE: CONSTRUCTION FENCING MUST BE PROVIDED FOR THE PROTECTION OF ALL INFILTRATION
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FACILITIES. HOWEVER, WOODEN STAKES AND STRING LINE MAY BE USED FOR LIMITS OF
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DISTURBANCE DELINEATION IF ALLOWED BY THE LOCAL CONSERVATION DISTRICT.
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SECTION
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2"x2"x36" WOOD STAKES
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PLACED 5' O.C.
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2"x2"x36" WOOD STAKES
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PLACED 5' O.C.
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MAXIMUM DEPTH OF CONCRETE
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WASHOUT WATER IS 50%%% OF
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FILTER RING HEIGHT
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24" DIAMETER COMPOST
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FILTER SOCK
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12" MIN.
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DIRECT CONCRETE WASHOUT
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WATER INTO FILTER RING
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24" DIAMETER COMPOST
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FILTER SOCK. 4' MIN.
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OVERLAP ON UPSLOPE
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SIDE OF FILTER RING
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PLAN
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INSTALL A 20 MIL PVC
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GEOMEMBRANE IN THE
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WASHOUT AREA PRIOR
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TO INSTALLING THE
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FILTER SOCKS
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NOTE: 1. INSTALL ON FLAT GRADE INSTALL ON FLAT GRADE FOR OPTIMUM PERFORMANCE. 2. 18" DIAMETER FILTER SOCK 18" DIAMETER FILTER SOCK MAY BE STACKED ONTO DOUBLE 24" DIAMETER SOCKS IN PYRAMIDAL CONFIGURATION FOR ADDED HEIGHT.
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INSTALLATION SEQUENCE: 1. PREPARE SURFACE BY REMOVING ANY DEBRIS AND ENSURING A SMOOTH CONSISTENT SURFACE IS PROVIDED. PREPARE SURFACE BY REMOVING ANY DEBRIS AND ENSURING A SMOOTH CONSISTENT SURFACE IS PROVIDED. 2. INSTALL PVC GEOMEMBRANE IN WASHOUT AREA. INSTALL PVC GEOMEMBRANE IN WASHOUT AREA. 3. COMPOST FILTER SOCK SHALL BE PLACED AT EXISTING LEVEL GRADE. BOTH ENDS OF THE BARRIER SHALL COMPOST FILTER SOCK SHALL BE PLACED AT EXISTING LEVEL GRADE. BOTH ENDS OF THE BARRIER SHALL OVERLAP TO FORM A CIRCLE AS SHOWN. 4. UPON REMOVAL OF THE WASHOUT AREA, STAKES SHALL BE REMOVED. THE SOCK MAY BE LEFT IN PLACE AND UPON REMOVAL OF THE WASHOUT AREA, STAKES SHALL BE REMOVED. THE SOCK MAY BE LEFT IN PLACE AND VEGETATED OR REMOVED. IN THE LATTER CASE, THE MESH SHALL BE CUT OPEN AND THE MULCH SPREAD AS A SOIL SUPPLEMENT. 5. ALL CONCRETE AND THE GEOMEMBRANE MUST BE REMOVED FROM THE SITE AND DISPOSED OF AT AN APPROVED ALL CONCRETE AND THE GEOMEMBRANE MUST BE REMOVED FROM THE SITE AND DISPOSED OF AT AN APPROVED DEP FACILITY. MAINTENANCE NOTES: WASHOUT AREA SHALL BE INSPECTED DAILY. DAMAGED SOCKS SHALL BE REPAIRED ACCORDING TO MANUFACTURER'S SPECIFICATIONS OR REPLACED WITHIN 24 HOURS OF INSPECTION. INSPECTIONS: INSPECTIONS MUST BE PERFORMED ON A WEEKLY BASIS. ALL SITE INSPECTIONS WILL BE DOCUMENTED IN AN INSPECTION LOG KEPT FOR THIS PURPOSE. THE COMPLIANCE ACTIONS AND THE DATE, TIME AND NAME OF THE PERSON CONDUCTING THE INSPECTION. THE INSPECTION LOG WILL BE KEPT ON SITE AT ALL TIMES AND MADE AVAILABLE TO THE DISTRICT UPON REQUEST.
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(NOT TO SCALE)
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FLOW
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FLOW
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DISTURBED AREA
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UNDISTURBED AREA
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%%USECTION
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%%UPLAN VIEW
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EXISTING CONTOURS
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COMPOST FILTER SOCK
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2 IN. x 2 IN. WOODEN STAKES PLACED 10 FT ON CENTER
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2 IN. x 2 IN. WOODEN STAKES PLACED 10 FT ON CENTER
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COMPOST FILTER SOCK
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BLOWN/PLACED FILTER MEDIA
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DISTURBED AREA
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UNDISTURBED AREA
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INSTALLATION NOTES: SOCK FABRIC SHALL MEET STANDARDS OF TABLE 4.1 OF THE PA DEP EROSION CONTROL MANUAL. COMPOST SHALL MEET THE STANDARDS OF TABLE 4.2 OF THE PA DEP EROSION CONTROL MANUAL. COMPOST FILTER SOCK SHALL BE PLACED AT EXISTING LEVEL GRADE. BOTH ENDS OF THE BARRIER SHALL BE EXTENDED AT LEAST 8 FEET UP SLOPE AT 45 DEGREES TO THE MAIN BARRIER ALIGNMENT. MAXIMUM SLOPE LENGTH ABOVE ANY BARRIER SHALL NOT EXCEED THAT SPECIFIED FOR THE SIZE OF THE SOCK AND THE SLOPE OF ITS TRIBUTARY AREA. TRAFFIC SHALL NOT BE PERMITTED TO CROSS COMPOST FILTER SOCKS. INSPECTION/MAINTENANCE NOTES: ACCUMULATED SEDIMENT SHALL BE REMOVED WHEN IT REACHES 1/2 THE ABOVE GROUND HEIGHT OF THE BARRIER AND DISPOSED IN THE MANNER DESCRIBED ELSEWHERE IN THE PLAN. COMPOST FILTER SOCKS SHALL BE INSPECTED WEEKLY AND AFTER EACH RUNOFF EVENT. DAMAGED SOCKS SHALL BE REPAIRED ACCORDING TO MANUFACTURER’S SPECIFICATIONS OR REPLACED S SPECIFICATIONS OR REPLACED WITHIN 24 HOURS OF INSPECTION. BIODEGRADABLE COMPOST FILTER SOCKS SHALL BE REPLACED AFTER 6 MONTHS; PHOTODEGRADABLE SOCKS AFTER 1 YEAR. POLYPROPYLENE SOCKS SHALL BE REPLACED ACCORDING TO MANUFACTURER’S RECOMMENDATIONS. S RECOMMENDATIONS. UPON STABILIZATION OF THE AREA TRIBUTARY TO THE SOCK, STAKES SHALL BE REMOVED. THE SOCK MAY BE LEFT IN PLACE AND VEGETATED OR REMOVED. IN THE LATTER CASE, THE MESH SHALL BE CUT OPEN AND THE MULCH SPREAD AS A SOIL SUPPLEMENT.
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12 IN. MIN.
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102
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101
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100
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(NOT TO SCALE)
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50' MIN.
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3 FT.
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EXISTING ROADWAY
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EARTH FILL
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PIPE AS NECESSARY
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GEOTEXTILE
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EXISTING GROUND
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MIN 8" AASHTO #1
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MOUNTABLE BERM (6 IN. MIN.)*
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10' MIN.
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10' MIN.
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20' MIN.
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EXISTING ROADWAY
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PROFILE
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PLAN VIEW
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INSTALLATION NOTES: REMOVE TOPSOIL PRIOR TO INSTALLATION OF ROCK CONSTRUCTION ENTRANCE. EXTEND ROCK OVER FULL WIDTH OF ENTRANCE. RUNOFF SHALL BE DIVERTED FROM ROADWAY TO A SUITABLE SEDIMENT REMOVAL BMP PRIOR TO ENTERING ROCK CONSTRUCTION ENTRANCE. MOUNTABLE BERM SHALL BE INSTALLED WHEREVER OPTIONAL CULVERT PIPE IS USED AND PROPER PIPE COVER AS SPECIFIED BY MANUFACTURER IS NOT OTHERWISE PROVIDED. PIPE SHALL BE SIZED APPROPRIATELY FOR SIZE OF DITCH BEING CROSSED. INSPECTION/MAINTENANCE NOTES: ROCK CONSTRUCTION ENTRANCE THICKNESS SHALL BE CONSTANTLY MAINTAINED TO THE SPECIFIED DIMENSIONS BY ADDING ROCK. A STOCKPILE SHALL BE MAINTAINED ON SITE FOR THIS PURPOSE. ALL SEDIMENT DEPOSITED ON PAVED ROADWAYS SHALL BE REMOVED AND RETURNED TO THE CONSTRUCTION SITE IMMEDIATELY. IF EXCESSIVE AMOUNTS OF SEDIMENT ARE BEING DEPOSITED ON ROADWAY, EXTEND LENGTH OF ROCK CONSTRUCTION ENTRANCE BY 50 FOOT INCREMENTS UNTIL CONDITION IS ALLEVIATED OR INSTALL WASH RACK. WASHING THE ROADWAY OR SWEEPING THE DEPOSITS INTO ROADWAY DITCHES, SEWERS, CULVERTS, OR OTHER DRAINAGE COURSES IS NOT ACCEPTABLE. REFER TO GENERAL E&S NOTE #14 ON E&S PLAN SHEET FOR PROPER REMOVAL OF SEDIMENT DEPOSITS.
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* MOUNTABLE BERM USED TO PROVIDE PROPER COVER FOR PIPE
