184 WEST MAIN STREET, SUITE 300, TRAPPE, PA 19426 ● (610) 489-4949 ● www.gilmore-assoc.com

18' WINGWALL

UPDATES TO STRUCTURE WINGWALL LAYOUT 1/28/26

UPDATED BY:

PENNONI

JDM

184 WEST MAIN STREET, SUITE 300, TRAPPE, PA 19426 ● (610) 489-4949 ● www.gilmore-assoc.com

18' WINGWALL

UPDATES TO STRUCTURE WINGWALL LAYOUT 1/28/26

UPDATED BY:

PENNONI

JDM

184 WEST MAIN STREET, SUITE 300, TRAPPE, PA 19426 ● (610) 489-4949 ● www.gilmore-assoc.com

STANDARD EROSION AND SEDIMENTATION CONTROL PLAN NOTES:

1. ALL EARTH DISTURBANCES, INCLUDING CLEARING AND GRUBBING AS WELL AS

CUTS AND FILLS SHALL BE DONE IN ACCORDANCE WITH THE APPROVED E&S

PLAN. A COPY OF THE APPROVED DRAWINGS (STAMPED, SIGNED AND DATED

BY THE REVIEWING AGENCY) MUST BE AVAILABLE AT THE PROJECT SITE AT ALL

TIMES. THE REVIEWING AGENCY SHALL BE NOTIFIED OF ANY CHANGES TO THE

APPROVED PLAN PRIOR TO IMPLEMENTATION OF THOSE CHANGES. THE

REVIEWING AGENCY MAY REQUIRE A WRITTEN SUBMITTAL OF THOSE CHANGES

FOR REVIEW AND APPROVAL AT ITS DISCRETION.

2. AT LEAST 7 DAYS PRIOR TO STARTING ANY EARTH DISTURBANCE ACTIVITIES,

INCLUDING CLEARING AND GRUBBING, THE OWNER AND/OR OPERATOR SHALL

INVITE ALL CONTRACTORS, THE LANDOWNER, APPROPRIATE MUNICIPAL

OFFICIALS, THE E&S PLAN PREPARER, THE PCSM PLAN PREPARER, THE

LICENSED PROFESSIONAL RESPONSIBLE FOR OVERSIGHT OF CRITICAL STAGES

OF IMPLEMENTATION OF THE PCSM PLAN, AND A REPRESENTATIVE FROM THE

LOCAL CONSERVATION DISTRICT TO AN ON-SITE PRECONSTRUCTION MEETING.

3. AT LEAST 3 DAYS PRIOR TO STARTING ANY EARTH DISTURBANCE ACTIVITIES,

OR EXPANDING INTO AN AREA PREVIOUSLY UNMARKED, THE PENNSYLVANIA

ONE CALL SYSTEM INC. SHALL BE NOTIFIED AT 1-800-242-1776 FOR THE

LOCATION OF EXISTING UNDERGROUND UTILITIES.

4. ALL EARTH DISTURBANCE ACTIVITIES SHALL PROCEED IN ACCORDANCE WITH

THE SEQUENCE PROVIDED ON THE PLAN DRAWINGS. DEVIATION FROM THAT

SEQUENCE MUST BE APPROVED IN WRITING FROM THE LOCAL CONSERVATION

DISTRICT OR BY THE DEPARTMENT PRIOR TO IMPLEMENTATION.

5. AREAS TO BE FILLED ARE TO BE CLEARED, GRUBBED, AND STRIPPED OF

TOPSOIL TO REMOVE TREES, VEGETATION, ROOTS AND OTHER

OBJECTIONABLE MATERIAL.

6. CLEARING, GRUBBING, AND TOPSOIL STRIPPING SHALL BE LIMITED TO THOSE

AREAS DESCRIBED IN EACH STAGE OF THE CONSTRUCTION SEQUENCE.

GENERAL SITE CLEARING, GRUBBING AND TOPSOIL STRIPPING MAY NOT

COMMENCE IN ANY STAGE OR PHASE OF THE PROJECT UNTIL THE E&S BMPS

SPECIFIED BY THE BMP SEQUENCE FOR THAT STAGE OR PHASE HAVE BEEN

INSTALLED AND ARE FUNCTIONING AS DESCRIBED IN THIS E&S PLAN.

7. AT NO TIME SHALL CONSTRUCTION VEHICLES BE ALLOWED TO ENTER AREAS

OUTSIDE THE LIMIT OF DISTURBANCE BOUNDARIES SHOWN ON THE PLAN

MAPS. THESE AREAS MUST BE CLEARLY MARKED AND FENCED OFF BEFORE

CLEARING AND GRUBBING OPERATIONS BEGIN.

8. TOPSOIL REQUIRED FOR THE ESTABLISHMENT OF VEGETATION SHALL BE

STOCKPILED AT THE LOCATION(S) SHOWN ON THE PLAN MAPS(S) IN THE

AMOUNT NECESSARY TO COMPLETE THE FINISH GRADING OF ALL EXPOSED

AREAS THAT ARE TO BE STABILIZED BY VEGETATION. EACH STOCKPILE SHALL

BE PROTECTED IN THE MANNER SHOWN ON THE PLAN DRAWINGS. STOCKPILE

HEIGHTS SHALL NOT EXCEED 35 FEET. STOCKPILE SLOPES SHALL BE 2H:1V OR

FLATTER.

9. IMMEDIATELY UPON DISCOVERING UNFORESEEN CIRCUMSTANCES POSING

THE POTENTIAL FOR ACCELERATED EROSION AND/OR SEDIMENT POLLUTION,

THE OPERATOR SHALL IMPLEMENT APPROPRIATE BEST MANAGEMENT

PRACTICES TO MINIMIZE THE POTENTIAL FOR EROSION AND SEDIMENT

POLLUTION AND NOTIFY THE LOCAL CONSERVATION DISTRICT AND/OR THE

REGIONAL OFFICE OF THE DEPARTMENT.

10. ALL BUILDING MATERIALS AND WASTES SHALL BE REMOVED FROM THE SITE

AND RECYCLED OR DISPOSED OF IN ACCORDANCE WITH THE DEPARTMENT'S

SOLID WASTE MANAGEMENT REGULATIONS AT 25 PA. CODE 260.1 ET SEQ.,

271.1, AND 287.1 ET. SEQ. NO BUILDING MATERIALS OR WASTES OR UNUSED

BUILDING MATERIALS SHALL BE BURNED, BURIED, DUMPED, OR DISCHARGED

AT THE SITE.

11. ALL OFF-SITE WASTE AND BORROW AREAS MUST HAVE AN E&S PLAN

APPROVED BY THE LOCAL CONSERVATION DISTRICT OR THE DEPARTMENT

FULLY IMPLEMENTED PRIOR TO BEING ACTIVATED.

12. THE CONTRACTOR IS RESPONSIBLE FOR ENSURING THAT ANY MATERIAL

BROUGHT ON SITE IS CLEAN FILL. FORM FP-001 MUST BE RETAINED BY THE

PROPERTY OWNER FOR ANY FILL MATERIAL AFFECTED BY A SPILL OR RELEASE

OF A REGULATED SUBSTANCE BUT QUALIFYING AS CLEAN FILL DUE TO

ANALYTICAL TESTING.

13. ALL PUMPING OF WATER FROM ANY WORK AREA SHALL BE DONE ACCORDING

TO THE PROCEDURE DESCRIBED IN THIS PLAN, OVER UNDISTURBED

VEGETATED AREAS.

14. VEHICLES AND EQUIPMENT MAY NEITHER ENTER DIRECTLY NOR EXIT DIRECTLY

FROM THE PROJECT AREA ONTO GREEN LANE ROAD.

15. UNTIL THE SITE IS STABILIZED, ALL EROSION AND SEDIMENT BMPS SHALL BE

MAINTAINED PROPERLY. MAINTENANCE SHALL INCLUDE INSPECTIONS OF ALL

EROSION AND SEDIMENT BMPS AFTER EACH RUNOFF EVENT AND ON A

WEEKLY BASIS. ALL PREVENTATIVE AND REMEDIAL MAINTENANCE WORK,

INCLUDING CLEAN OUT, REPAIR, REPLACEMENT, REGRADING, RESEEDING,

REMULCHING AND RENETTING MUST BE PERFORMED IMMEDIATELY. IF THE E&S

BMPS FAIL TO PERFORM AS EXPECTED, REPLACEMENT BMPS, OR

MODIFICATIONS OF THOSE INSTALLED WILL BE REQUIRED.

16. A LOG SHOWING DATES THAT E&S BMPS WERE INSPECTED AS WELL AS ANY

DEFICIENCIES FOUND AND THE DATE THEY WERE CORRECTED SHALL BE

MAINTAINED ON THE SITE AND BE MADE AVAILABLE TO REGULATORY AGENCY

OFFICIALS AT THE TIME OF INSPECTION.

17. SEDIMENT TRACKED ONTO ANY PUBLIC ROADWAY OR SIDEWALK SHALL BE

RETURNED TO THE CONSTRUCTION SITE BY THE END OF EACH WORK DAY 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.

18. ALL SEDIMENT REMOVED FROM BMPS SHALL BE DISPOSED OF IN THE MANNER

DESCRIBED ON THE PLAN DRAWINGS.

19. AREAS WHICH ARE TO BE TOPSOILED SHALL BE SCARIFIED TO A MINIMUM

DEPTH OF 3 TO 5 INCHES -- 6 TO 12 INCHES ON COMPACTED SOILS -- PRIOR TO

PLACEMENT OF TOPSOIL. AREAS TO BE VEGETATED SHALL HAVE A MINIMUM 4

INCHES OF TOPSOIL IN PLACE PRIOR TO SEEDING AND MULCHING. FILL

OUTSLOPES SHALL HAVE A MINIMUM OF 2 INCHES OF TOPSOIL.

20. ALL FILLS SHALL BE COMPACTED AS REQUIRED TO REDUCE EROSION,

SLIPPAGE, SETTLEMENT, SUBSIDENCE OR OTHER RELATED PROBLEMS. FILL

INTENDED TO SUPPORT BUILDINGS, STRUCTURES AND CONDUITS, ETC. SHALL

BE COMPACTED IN ACCORDANCE WITH LOCAL REQUIREMENTS OR CODES.

21. ALL EARTHEN FILLS SHALL BE PLACED IN COMPACTED LAYERS NOT TO EXCEED

9 INCHES IN THICKNESS.

22. FILL MATERIALS SHALL BE FREE OF FROZEN PARTICLES, BRUSH, ROOTS, SOD,

OR OTHER FOREIGN OR OBJECTIONABLE MATERIALS THAT WOULD INTERFERE

WITH OR PREVENT CONSTRUCTION OF SATISFACTORY FILLS.

23. FROZEN MATERIALS OR SOFT, MUCKY, OR HIGHLY COMPRESSIBLE MATERIALS

SHALL NOT BE INCORPORATED INTO FILLS.

24. FILL SHALL NOT BE PLACED ON SATURATED OR FROZEN SURFACES.

25. SEEPS OR SPRINGS ENCOUNTERED DURING CONSTRUCTION SHALL BE

HANDLED IN ACCORDANCE WITH THE STANDARD AND SPECIFICATION FOR

SUBSURFACE DRAIN OR OTHER APPROVED METHOD.

26. ALL GRADED AREAS SHALL BE PERMANENTLY STABILIZED IMMEDIATELY UPON

REACHING FINISHED GRADE. CUT SLOPES IN COMPETENT BEDROCK AND ROCK

FILLS NEED NOT BE VEGETATED. SEEDED AREAS WITHIN 50 FEET OF A

SURFACE WATER, OR AS OTHERWISE SHOWN ON THE PLAN DRAWINGS, SHALL

BE BLANKETED ACCORDING TO THE STANDARDS OF THIS PLAN.

27. IMMEDIATELY AFTER EARTH DISTURBANCE ACTIVITIES CEASE IN ANY AREA OR

SUBAREA OF THE PROJECT, THE OPERATOR SHALL STABILIZE ALL DISTURBED

AREAS. DURING NON-GERMINATING MONTHS, MULCH OR PROTECTIVE

BLANKETING SHALL BE APPLIED AS DESCRIBED IN THE PLAN. AREAS NOT AT

FINISHED GRADE, WHICH WILL BE REACTIVATED WITHIN 1 YEAR, MAY BE

STABILIZED IN ACCORDANCE WITH THE TEMPORARY STABILIZATION

SPECIFICATIONS. THOSE AREAS WHICH WILL NOT BE REACTIVATED WITHIN 1

YEAR SHALL BE STABILIZED IN ACCORDANCE WITH THE PERMANENT

STABILIZATION SPECIFICATIONS.

28. PERMANENT STABILIZATION IS DEFINED AS A MINIMUM UNIFORM, PERENNIAL

70% VEGETATIVE COVER OR OTHER PERMANENT NON-VEGETATIVE COVER

WITH A DENSITY SUFFICIENT TO RESIST ACCELERATED EROSION. CUT AND FILL

SLOPES SHALL BE CAPABLE OF RESISTING FAILURE DUE TO SLUMPING,

SLIDING, OR OTHER MOVEMENTS.

29. E&S BMPS SHALL REMAIN FUNCTIONAL AS SUCH UNTIL ALL AREAS TRIBUTARY

TO THEM ARE PERMANENTLY STABILIZED OR UNTIL THEY ARE REPLACED BY

ANOTHER BMP APPROVED BY THE LOCAL CONSERVATION DISTRICT OR THE

DEPARTMENT.

30. UPON COMPLETION OF ALL EARTH DISTURBANCE ACTIVITIES AND PERMANENT

STABILIZATION OF ALL DISTURBED AREAS, THE OWNER AND/OR OPERATOR

SHALL CONTACT THE LOCAL CONSERVATION DISTRICT FOR AN INSPECTION

PRIOR TO REMOVAL/CONVERSION OF THE E&S BMPS.

31. AFTER FINAL SITE STABILIZATION HAS BEEN ACHIEVED, TEMPORARY EROSION

AND SEDIMENT BMPS MUST BE REMOVED OR CONVERTED TO PERMANENT

POST CONSTRUCTION STORMWATER MANAGEMENT BMPS. AREAS DISTURBED

DURING REMOVAL OR CONVERSION OF THE BMPS SHALL BE STABILIZED

IMMEDIATELY. IN ORDER TO ENSURE RAPID REVEGETATION OF DISTURBED

AREAS, SUCH REMOVAL/CONVERSIONS ARE TO BE DONE ONLY DURING THE

GERMINATING SEASON.

32. UPON COMPLETION OF ALL EARTH DISTURBANCE ACTIVITIES AND PERMANENT

STABILIZATION OF ALL DISTURBED AREAS, THE OWNER AND/OR OPERATOR

SHALL CONTACT THE LOCAL CONSERVATION DISTRICT TO SCHEDULE A FINAL

INSPECTION.

33. FAILURE TO CORRECTLY INSTALL E&S BMPS, FAILURE TO PREVENT

SEDIMENT-LADEN RUNOFF FROM LEAVING THE CONSTRUCTION SITE, OR

FAILURE TO TAKE IMMEDIATE CORRECTIVE ACTION TO RESOLVE FAILURE OF

E&S BMPS MAY RESULT IN ADMINISTRATIVE, CIVIL, AND/OR CRIMINAL

PENALTIES BEING INSTITUTED BY THE DEPARTMENT AS DEFINED IN SECTION

602 OF THE PENNSYLVANIA CLEAN STREAMS LAW. THE CLEAN STREAMS LAW

PROVIDES FOR UP TO $10,000 PER DAY IN CIVIL PENALTIES, UP TO $10,000 IN

SUMMARY CRIMINAL PENALTIES, AND UP TO $25,000 IN MISDEMEANOR

CRIMINAL PENALTIES FOR EACH VIOLATION.

SEQUENCE OF CONSTRUCTION:

1) PRIOR TO ANY EARTH DISTURBANCE, A PRE-CONSTRUCTION MEETING IS TO BE

HELD BETWEEN THE CONTRACTOR, TOWNSHIP ENGINEER, AND BOROUGH

STAFF.

2) A MINIMUM OF 3 WORKING DAYS PRIOR TO COMMENCEMENT OF EARTH

DISTURBANCE, NOTIFICATION TO THE PENNSYLVANIA ONE-CALL SYSTEM SHALL

BE MADE.

3) MAINTENANCE AND PROTECTION OF TRAFFIC DURING CONSTRUCTION SHALL

BE IN ACCORDANCE WITH THE SPECIFICATIONS AND PER THE PENNDOT

APPROVED DETOUR PLAN AND SIGNAGE PLAN.

4) EROSION CONTROLS SHALL BE INSTALLED PRIOR TO COMMENCING ANY EARTH

DISTURBANCE.

5) COMPLETE CULVERT DEMOLITION.

6) EXCAVATE AND GRADE FOR NEW FOOTINGS.

7) INSTALL FOOTINGS PER STRUCTURAL DRAWINGS.

8) EXCAVATE AND ROUGH GRADE FOR WINGWALLS/EMBANKMENTS.

9) INSTALL CULVERT ARCH SECTIONS AND ATTACH WINGWALLS PER

STRUCTURAL DRAWINGS.

10) INSTALL NEW RETAINING WALL SECTION.

11) FINAL GRADE EMBANKMENTS.

12) RESTORE DISTURBED PERVIOUS AREAS PER THE SEEDING AND MULCHING

SCHEDULE, INCLUDING EROSION CONTROL FABRIC INSTALLATION.

13) COMPLETE ROAD WORK PER SPECIFICATIONS.

SEEDING AND MULCHING SCHEDULE

1. SITE PREPARATION, STABILIZATION AND MAINTENANCE SHALL BE PERFORMED

IN ACCORDANCE WITH PENN STATE UNIVERSITY'S "THE AGRONOMY GUIDE"

AND PENNDOT FORM 408 SPECIFICATIONS' MOST RECENT ADDITION.

TEMPORARY SEEDING SPECIFICATION FORMULA E - ANNUAL RYE GRASS

PERMANENT SEEDING SPECIFICATION FORMULA B -

50% KENTUCKY BLUEGRASS MIXTURE

30% PENNLAWN RED FESCUE

20% PERENNIAL RYEGRASS MIXTURE

STEEP SLOPE SEEDING SPECIFICATION FORMULA W -

70% TALL FESCUE

20% BIRDSFOOT TREFOIL MIXTURE

10% REDTOP

SEEDING RATE FOR THE ABOVE MIXTURES:

10 LBS/1,000 SY FOR TEMPORARY SEEDING

21 LBS/1,000 SY FOR PERMANENT SEEDING

11 LBS/1,000 SY FOR STEEP SLOPE SEEDING (SEE NOTE 5)

2. HAY OR STRAW MULCH SHALL BE APPLIED AT THE RATES OF AT LEAST 3.0

TONS PER ACRE AND SHALL BE APPLIED IN LONG STRANDS, NOT CHOPPED OR

FINELY BROKEN. MULCH WITH MULCH CONTROL NETTING OR EROSION

CONTROL BLANKETS MUST BE INSTALLED ON ALL SLOPES 3:1 OR STEEPER.

3. PULVERIZED AGRICULTURAL LIMESTONE AND COMMERCIAL FERTILIZER SHALL

BE APPLIED TO ALL DISTURBED AREAS WHICH ARE TO BE SEEDED EXCEPT FOR

TEMPORARY SEED AREAS ARE THE FOLLOWING RATES:

PULVERIZED AGRICULTURAL LIMESTONE - 90 LBS/1,000 SF

10-20-20 ANALYSIS COMMERCIAL FERTILIZER - 20 LBS/1,000 SF

NOTE: APPLICATION OF LIME AND FERTILIZER FOR TEMPORARY SEEDING IS

UNNECESSARY AND ONLY SERVES TO CONTRIBUTE TO AN OVERABUNDANCE

OF NUTRIENT POLLUTION IN THE WATERSHED.

4. PERMANENT SEEDING SHALL TAKE PLACE FROM MARCH 15 TO JUNE 1 OR

FROM AUGUST 1 TO OCTOBER 15. IF COMPLETED AT IN OTHER SEASONS,

AREAS SHALL RECEIVE TEMPORARY SEEDING AND 3.0 TONS PER ACRE MULCH.

5. STEEP SLOPE AREAS SHALL BE PROTECTED FROM EROSION BY ONE OF THE

FOLLOWING METHODS. MANUFACTURER'S RECOMMENDATIONS SHALL BE

FOLLOWED FOR PARTICULAR METHOD AND SPECIFIC SITE CONDITIONS.

FLEXIBLE GROWTH MEDIUM: SHALL BE HYDRAULICALLY APPLIED

COMBINATION OF SEED, MULCH, AND EROSION PROTECTION MATERIAL

SIMILAR TO "FLEXTERRA" BY ACF OR EQUAL BY OTHER MANUFACTURER.

EROSION CONTROL MATTING: SHALL BE TEMPORARY MATTING SIMILAR TO

SC350 BY NORTH AMERICAN GREEN OR EQUAL BY OTHER MANUFACTURER.

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