9-02.2 Mifflin TISIP ESC Plan.PDF

DISTRICT COUNTY ROUTE SECTION SHEET

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1 7-T-478DAUPHIN8-0

MIFFLIN TOWNSHIP

EROSION AND SEDIMENT POLLUTION CONTROL PLAN

HARRISBURG, PA 17111

369 EAST PARK DRIVE

HERBERT, ROWLAND & GRUBIC, INC.

LOCATION MAP

PLAN PREPARER

HARRISBURG, PA 17111

369 EAST PARK DRIVE

HERBERT, ROWLAND, & GRUBIC, INC.

APPROVING AGENCY

(717)921-8100

DAUPHIN, PA 17018

1451 PETERS MOUNTAIN ROAD

DAUPHIN COUNTY CONSERVATION DISTRICT

MEASURES DURING CONSTRUCTION

TEMPORARY EROSION AND SEDIMENT POLLUTION CONTROL

CURRENT EDITION.

DEPARTMENT OF TRANSPORTATION PUBLICATION 408 SPECIFICATIONS,

ALL MATERIALS AND WORKMANSHIP CONFORMS TO THE PENNSYLVANIA

UNLESS OTHERWISE INDICATED, CONTRACTOR SHALL ENSURE THAT 10.

OF DAMAGED TEMPORARY CONTROLS.

AFTER EACH MEASURABLE RAINFALL EVENT, INCLUDING THE REPAIR

INSPECTION OF THE TEMPORARY CONTROLS ON A WEEKLY BASIS AND

CONTRACTOR SHALL MAINTAIN A MAINTENANCE PROGRAM FOR 9.

WHO IS RESPONSIBLE FOR IMPLEMENTING EROSION AND SEDIMENTATION CONTROL.

CONTRACTOR SHALL DESIGNATE AT LEAST ONE INDIVIDUAL, WHO WILL BE PRESENT AT THE PROJECT SITE DAILY, 8.

DISTURBED LAND. CLEAR AND GRUB ONLY IN THE AREAS DESCRIBED FOR EACH STAGE OF CONSTRUCTION.

CONTRACTOR SHALL PERFORM EARTHMOVING ACTIVITIES IN A MANNER THAT MINIMIZES THE AMOUNT OF 7.

A SPILL OCCURS, CONTROL IT IMMEDIATELY TO PREVENT ITS ENTRY INTO NEARBY WATERWAYS.

CONTRACTOR SHALL EMPLOY MEASURES DURING CONSTRUCTION TO PREVENT SPILLS OF FUELS OR LUBRICANTS. IF 6.

VEGETATIVE COVER ON SLOPES IS SUFFICIENTLY ESTABLISHED.

ANY TEMPORARY EROSION CONTROL MEASURES USED BY THE CONTRACTOR SHALL BE CONTINUED UNTIL THE 5.

OR OTHER SUITABLE DUST SUPPRESSOR.

WHERE DUST OR WIND EROSION IS A PROBLEM, CONTRACTOR SHALL SPRINKLE UNSTABLE SURFACE(S) WITH WATER 4.

AT ALL TIMES WITHOUT SERIOUS EROSION.

DURING CONSTRUCTION, THE ROADBED WILL BE MAINTAINED IN SUCH CONDITION THAT IT WILL BE WELL-DRAINED 3.

BECAUSE OF UNFAVORABLE SEEDING TIME.

CONTRACTOR SHALL USE TEMPORARY SEEDING ON EXPOSED SLOPES THAT CANNOT BE PERMANENTLY SEEDED 2.

CONSTRUCTION OF THESE STAGING AREAS.

THE CONTRACTOR IS RESPONSIBLE FOR IMPLEMENTING THE EROSION CONTROLS NECESSARY FOR THE

CONTRACTOR SHALL NOTIFY THE COUNTY CONSERVATION DISTRICT OF THE LOCATION OF THE STAGING AREAS. 1.

TEMPORARY EROSION AND SEDIMENT POLLUTION CONTROL MEASURES

SEEDING AND MULCHING.

GREATER AND WITHIN 50' OF ALL SURFACE WATER AND MUST BE IN PLACE AND ANCHORED PRIOR TO

A.CONTRACTOR TO PLACE TEMPORARY ROLLED EROSION CONTROL PRODUCTS ON ALL SLOPES 3:1 OR

6. TEMPORARY ROLLED EROSION CONTROL PRODUCTS

UNTIL INDICATED BY THE CONSTRUCTION STAGING.

SANDBAG COFFERDAMS SHALL BE INSTALLED PER PROVIDED DETAILS AND ARE NOT TO BE REMOVED

A.CONTRACTOR SHALL INSTALL SANDBAG COFFERDAMS AT LOCATIONS INDICATED ON THE DRAWINGS.

5. SANDBAG COFFERDAM

EXCAVATION.

POSSIBLE, AND DISCHARGE SHALL BE TO A STABLE EROSION RESISTANT AREA DOWNSTREAM OF

FOR DE-WATERING PURPOSES. FILTER BAG SHALL BE PLACED IN WELL-VEGETATED AREAS, WHERE

A.CONTRACTOR SHALL UTILIZE A PUMPED WATER FILTER BAG WHENEVER EXCAVATIONS MUST BE PUMPED

4. PUMPED WATER FILTER BAG

CIRCUMSTANCES IS WASH WATER FROM THE VEHICLES PERMITTED TO ENTER SURFACE WATERS.

CONTRACTOR SHALL USE CONCRETE WASHOUTS TO CLEAN DELIVERY VEHICLE. UNDER NO

A.CONTRACTOR SHALL INSTALL CONCRETE WASHOUT AT LOCATIONS INDICATED ON THE DRAWINGS.

3. CONCRETE WASHOUT

PROPERTIES AND EXITING THE SITE.

AND/OR AS SHOWN ON THE PLAN IN ORDER TO PREVENT SEDIMENT FROM ENTERING ONTO ADJACENT

A.CONTRACTOR SHALL PLACE COMPOST FILTER SOCK BARRIER DOWN SLOPE OF CRITICAL EROSION AREAS

2.COMPOST FILTER SOCK

A RATE OF 1,200 POUNDS PER 1,000 SQUARE YARDS.

MAY USE MULCH TO HELP STABILIZE THOSE AREAS. MULCH SHALL CONSIST OF HAY OR STRAW APPLIED AT

C.IN PLACES WHERE EROSION IS A PROBLEM DURING THE GROW-IN PHASE OF THE COURSE, CONTRACTOR

METHOD OF SEEDING IN ACCORDANCE WITH PENNDOT PUBLICATION 408.

B.CONTRACTOR SHALL PERFORM ALL SITE PREPARATIONS INCLUDING LIMING, FERTILIZING, TIME AND

MULCHING SHALL BE EMPLOYED.

EXPOSED FOR LONGER THAN 20 CALENDAR DAYS. IF CONDITIONS DO NOT PERMIT TEMPORARY SEEDING, AREAS THAT ARE A POTENTIAL EROSION PROBLEM DURING CONSTRUCTION AND TO THOSE AREAS

PLACE AT THE RATE OF 6 POUNDS PER 1,000 SQUARE YARDS. APPLY TEMPORARY SEEDING TO THOSE

(SPRING) OR CEREAL RYE (FALL), 100 PERCENT BY WEIGHT), OR EQUIVALENT, FOR TEMPORARY SEEDING.

A.CONTRACTOR SHALL USE PENNDOT PUBLICATION 408 FORMULA T TEMPORARY GRASS MIX SEEDING (OATS

1.TEMPORARY SEEDING/MULCHING

INCREASED BACKWATER.

PUMPED WATER FILTER BAGS, AND OTHER E&S BMPS IN THE EVENT OF HIGH WATER TO PREVENT THE

29.CONTRACTOR SHALL REMOVE THE TEMPORARY COFFERDAMS, SOIL STOCKPILES, THE STAGING, THE

28.ALL CONSTRUCTION WORK SHALL TAKE PLACE WHEN THE STREAM IS AT "LOW FLOW" CONDITIONS.

TREES AND SHRUBS IF THE OWNER REFUSES TO ACCEPT THE WOOD.

ABUTTING PROPERTY. DELIVER ACCEPTED WOOD TO A NEARBY LOCATION AS DIRECTED. DISPOSE OF THE

OWNER. SURRENDER ALL MATERIAL FROM THE REMOVAL OF TREES AND SHRUBS TO THE OWNER OF THE

27.TREES AND SHRUB ALONG A HIGHWAY PREVIOUSLY OPENED TO TRAFFIC BELONG TO THE PROPERTY

THEREFORE IT IS NOT ANTICIPATED TO CREATE ANY POTENTIAL THERMAL IMPACTS.

26.THE PROPOSED CULVERT REPLACEMENT WILL NOT INCREASE THE IMPERVIOUS AREA AT THE SITE AND

AREAS.

THE E&S PLAN CONTAINS BMPS TO MINIMIZE THE IMPACTS OF CONSTRUCTION TO THE SURROUNDING

PROJECT. THE SOIL TYPES IN THE AREA OF DISTURBANCE DO NOT POSE THE POTENTIAL FOR POLLUTION.

25.THE NATURALLY OCCURRING GEOLOGIC FEATURES ARE NOT ANTICIPATED TO HAVE ANY IMPACT ON THE

AND/OR WETLANDS.

24.BACKFILL MATERIAL AND/OR CONSTRUCTION MATERIAL SHALL NOT BE STORED IN THE FLOODWAY

FILL."

PERFORMED IN ACCORDANCE WITH APPENDIX A OF THE DEPARTMENT'S POLICY "MANAGEMENT OF CLEAN

SUBSTANCE, IT MUST BE TESTED TO DETERMINE IF IT QUALIFIES AS CLEAN FILL. TESTING SHOULD BE

SUBSTANCE. IF THE FILL MAY HAVE BEEN AFFECTED BY A SPILL OR RELEASE OF A REGULATED

INDICATES THAT THE FILL MAY HAVE BEEN SUBJECTED TO A SPILL OR RELEASE OF REGULATED

DUE DILIGENCE UNLESS VISUAL INSPECTION AND/OR REVIEW OF THE PAST LAND USE OF THE PROPERTY

TESTING, ENVIRONMENTAL ASSESSMENTS OR AUDITS. ANALYTICAL TESTING IS NOT A REQUIRED PART OF

HISTORY, SANBORN MAPS, ENVIRONMENTAL QUESTIONNAIRES, TRANSACTION SCREENS, ANALYTICAL

ELECTRONIC DATA BASE SEARCHES, REVIEW OF PROPERTY OWNERSHIP, REVIEW OF PROPERTY USE

AS: INVESTIGATIVE TECHNIQUES, INCLUDING, BUT NOT LIMITED TO, VISUAL PROPERTY INSPECTIONS, ASSOCIATED WITH THE PROJECT QUALIFY AS CLEAN FILL. ENVIRONMENTAL DUE DILIGENCE IS DEFINED

23.ENVIRONMENTAL DUE DILIGENCE MUST BE PERFORMED TO DETERMINE IF THE FILL MATERIALS

FORM FP-001 MUST BE RETAINED BY THE OWNER OF THE PROPERTY RECEIVING THE FILL.

MATERIAL AND THE RESULTS OF THE ANALYTICAL TESTING TO QUALIFY THE MATERIAL AS CLEAN FILL.

SUBSTANCE, THE CONTRACTOR MUST SUBMIT FORM FP-001 TO CERTIFY THE ORIGIN OF THE FILL

22.FOR ANY PLACEMENT OF CLEAN FILL THAT HAS BEEN AFFECTED BY A SPILL OR RELEASE OF A REGULATED

USE.)

"USED ASPHALT" DOES NOT INCLUDE MILLED ASPHALT OR ASPHALT THAT HAS BEEN PROCESSED FOR RE-

PLACED IN OR ON THE WATERS OF THE COMMONWEALTH UNLESS OTHERWISE AUTHORIZED. (THE TERM

FROM OTHER WASTE AND IS RECOGNIZABLE AS SUCH. THE TERM DOES NOT INCLUDE MATERIALS

BRICK, BLOCK OR CONCRETE FROM CONSTRUCTION AND DEMOLITION ACTIVITIES THAT IS SEPARATE

SOLID MATERIAL. THE TERM INCLUDES SOIL, ROCK, STONE, DREDGED MATERIAL, USED ASPHALT, AND

21.CLEAN FILL IS DEFINED AS: UNCONTAMINATED, NON-WATER SOLUBLE, NON-DECOMPOSABLE, INERT, STABILIZATION SPECIFICATIONS.

WITHIN ONE YEAR MUST BE STABILIZED IN ACCORDANCE WITH THE PERMANENT VEGETATIVE

SPECIFICATIONS. DISTURBED AREAS WHICH ARE AT FINAL GRADE OR WHICH WILL NOT BE RE-DISTURBED

YEAR MUST BE STABILIZED IN ACCORDANCE WITH THE TEMPORARY VEGETATIVE STABILIZATION

DISTURBED AREAS WHICH ARE NOT AT FINISHED GRADE AND WHICH WILL BE RE-DISTURBED WITHIN ONE

AREAS. DURING NON-GERMINATING PERIODS, MULCH MUST BE APPLIED AT THE SPECIFIED RATES.

20.IMMEDIATELY AFTER EARTH DISTURBANCE CEASES, THE CONTRACTOR SHALL STABILIZE THE DISTURBED

RUNOFF OF RAINWATER WITHOUT UNDUE RESIDUE.

CONTRACTOR WILL BE REQUIRED TO SHAPE THE TOP OF EARTHWORK IN SUCH A MANNER AS TO ALLOW

19.PRIOR TO SUSPENSION OF CONSTRUCTION OPERATIONS FOR AN APPRECIABLE LENGTH OF TIME, THE

WATER AVOIDED.

ARE KEPT TO A MINIMUM. THE WORK AREA WILL BE KEPT WELL DRAINED AND CONCENTRATION OF

18.GRADING OPERATIONS WILL BE CONDUCTED IN SUCH A WAY THAT THE AREAS OF UNPROTECTED SOIL

PREVENTION, AND CONTINGENCY (PPC) PLAN.

17.CONTRACTOR IS RESPONSIBLE FOR PREPARING AND HAVING AVAILABLE ON-SITE PREPAREDNESS, MEETS THE CONDITIONS OF CHAPTER 102 AND/OR OTHER STATE OR FEDERAL REGULATIONS.

THE SITE(S) RECEIVING THE EXCESS HAS AN APPROVED EROSION AND SEDIMENT CONTROL PLAN THAT

16.THE CONTRACTOR WILL BE RESPONSIBLE FOR THE REMOVAL OF ANY EXCESS MATERIAL AND MAKE SURE

BUILDING MATERIALS SHALL BE BURNED, BURIED, DUMPED, OR DISCHARGED AT THE SITE.

CODE 260.1 ET SEQ. 271.1., AND 287.1 ET SEQ. NO BUILDING MATERIALS OR WASTES OR UNUSED

OF IN ACCORDANCE WITH THE DEPARTMENT'S SOLID WASTE MANAGEMENT REGULATIONS AT 25 PA.

15.ALL BUILDING MATERIALS AND WASTES MUST BE REMOVED FROM THE SITE AND RECYCLED OR DISPOSED

ON SITE AND INCORPORATED INTO THE SITE GRADING.

14.ANY SEDIMENT REMOVED FROM BMPS DURING CONSTRUCTION WILL BE RETURNED TO UPLAND AREAS

B.THE DATE, TIME, AND THE NAME OF THE PERSON CONDUCTING THE INSPECTION.

A.A SUMMARY OF THE SITE CONDITIONS, E&S BMPS, AND COMPLIANCE; AND

THE COMMONWEALTH. A WRITTEN REPORT OF EACH INSPECTION SHALL BE KEPT, AND INCLUDE:

CONTROL (E&S) BMPS ARE OPERATIONAL AND EFFECTIVE IN PREVENTING POLLUTION TO THE WATERS OF

EXPERIENCED IN EROSION AND SEDIMENT CONTROL, TO ASCERTAIN THAT THE EROSION AND SEDIMENT

WEEKLY, AND AFTER EACH MEASURABLE PRECIPITATION EVENT BY QUALIFIED PERSONNEL, TRAINED AND

13.THE PERMITTEE AND CO-PERMITTEE MUST ENSURE THAT VISUAL SITE INSPECTIONS ARE CONDUCTED

GENERAL NOTES CONT'D

GENERAL NOTES

BE REQUIRED.

BMPS FAIL TO PERFORM AS EXPECTED, REPLACEMENT BMPS OR MODIFICATIONS OF THOSE INSTALLED WILL

MULCHING AND RE-NETTING SHALL BE PERFORMED IMMEDIATELY. IF EROSION AND SEDIMENT CONTROL

MAINTENANCE WORK, INCLUDING CLEAN OUT, REPAIR, REPLACEMENT, RE-GRADING, RESEEDING, RE-

BMPS AFTER EACH RUNOFF EVENT AND ON A WEEKLY BASIS. ALL PREVENTATIVE AND REMEDIAL

BMPS PROPERLY. MAINTENANCE SHALL INCLUDE INSPECTIONS OF ALL EROSION AND SEDIMENT CONTROL

12.UNTIL THE SITE IS STABILIZED, CONTRACTOR SHALL MAINTAIN ALL EROSION AND SEDIMENT CONTROL

MOVEMENTS.

SURFACE EROSION AND SUBSURFACE CHARACTERISTICS SUFFICIENT TO RESIST SLIDING AND OTHER

OTHER PERMANENT NON-VEGETATIVE COVER WITH A DENSITY SUFFICIENT TO RESIST ACCELERATED

11.PERMANENT STABILIZATION IS DEFINED AS A MINIMUM UNIFORM 70% PERENNIAL VEGETATIVE COVER OR

ORGANIC MATERIAL, LARGE STONES, AND OTHER OBJECTIONABLE MATERIALS.

10.FILL MATERIAL FOR THE EMBANKMENTS SHALL BE FREE OF ROOTS, OR OTHER WOODY VEGETATION, VEGETATED AREAS.

PUMPED WATER FILTER BAG OR EQUIVALENT SEDIMENT REMOVAL FACILITY, OVER UNDISTURBED

9. ALL PUMPING OF SEDIMENT LADEN WATER SHALL BE THROUGH A SEDIMENT CONTROL BMP, SUCH AS A

PROTECTION (DEP).

MEASURES THAT MEET ANY APPLICABLE REGULATIONS OF THE DEPARTMENT OF ENVIRONMENTAL

THAT WERE NOT FORESEEN IN THE DESIGN STAGE, ESTIMATE THE EROSION POTENTIAL AND SELECT

DETERMINES THAT EROSION CONTROL MEASURES INCLUDING COMPOST FILTER SOCK ARE NECESSARY

8. WHEN THE ENGINEER, MUNICIPAL OFFICIAL, OR COUNTY CONSERVATION DISTRICT REPRESENTATIVE

SEDIMENT POLLUTION.

BEST MANAGEMENT PRACTICES (BMPS) TO ELIMINATE THE POTENTIAL FOR ACCELERATED EROSION AND/OR

ACCELERATED EROSION AND/OR SEDIMENT POLLUTION, THE CONTRACTOR SHALL IMPLEMENT APPROPRIATE

7. IMMEDIATELY UPON DISCOVERING UNFORESEEN CIRCUMSTANCES POSING THE POTENTIAL FOR

BEFORE ANY FOLLOWING STAGE IS INITIATED.

SEQUENCE NOTED ON THESE PLANS. EACH STAGE SHALL BE COMPLETED AND IMMEDIATELY STABILIZED

6. ALL EARTH DISTURBANCE ACTIVITIES SHALL PROCEED IN ACCORDANCE WITH THE CONSTRUCTION

FOR THE LOCATION OF EXISTING UNDERGROUND UTILITIES.

IN THOSE ACTIVITIES SHALL NOTIFY PENNSYLVANIA ONE-CALL SYSTEM INCORPORATED AT 1 (800) 242-1776

5. AT LEAST 3 DAYS BEFORE STARTING ANY EARTH DISTURBANCE ACTIVITIES, ALL CONTRACTORS INVOLVED

COUNTY CONSERVATION DISTRICT TO AN ON-SITE PRE-CONSTRUCTION MEETING.

OFFICIALS, THE EROSION AND SEDIMENT CONTROL PLAN PREPARER, AND A REPRESENTATIVE OF THE

INVITE ALL OPERATORS INVOLVED IN THOSE ACTIVITIES, THE LANDOWNER, ALL APPROPRIATE MUNICIPAL

4. AT LEAST 7 DAYS BEFORE STARTING ANY EARTH DISTURBANCE ACTIVITIES, THE CONTRACTOR SHALL

SIDE SLOPES MUST BE 3:1 OR FLATTER.

THE REQUIRED IMPROVEMENTS. TOPSOIL STOCKPILE HEIGHTS SHALL NOT EXCEED 35 FEET. STOCKPILE

DOWNSLOPE OF THE STOCKPILE LOCATION, AND STRIP AND STOCKPILE TOPSOIL ONLY AS NECESSARY FOR

3. CONTRACTOR SHALL UTILIZE TOPSOIL STOCKPILE LOCATION(S), INSTALL COMPOST FILTER SOCK

SITE AT ALL TIMES.

2. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN MUST BE AVAILABLE AT THE PROJECT

CONTROL PLAN, CONTACT THE DAUPHIN COUNTY CONSERVATION DISTRICT TO RECEIVE APPROVAL.

OTHER PLANS THAT MAY CHANGE THE EFFECTIVENESS OF THE APPROVED EROSION AND SEDIMENT

1. BEFORE INITIATING ANY REVISION TO THE APPROVED EROSION AND SEDIMENT CONTROL PLAN OR TO ANY

LOCATION

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07/23/2026

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2 7-T-478DAUPHIN8-0

MIFFLIN TOWNSHIP

WATERS OF THE COMMONWEALTH

CONSTRUCTION RESTRICTIONS

PER CHAPTER 93, WATER QUALITY STANDARDS, OF THE PA CODE (TITLE 25, ENVIRONMENTAL PROTECTION).

LITTLE WICONISCO CREEK IS DESIGNATED AS A WARM WATER FISHES (WWF) WITH MIGRATORY FISHES (MF)

NONE

ANTICIPATED CONSTRUCTION WASTES

BUILDING RUBBLE

CONCRETE

ROCK

SOIL

EROSION AND SEDIMENT POLLUTION CONTROL PLAN

SOIL LIMITATIONS

DISTURBED ACREAGE

16,842 SF = 0.387 ACRES OF TOTAL LIMIT OF DISTURBANCE

PROJECT SOIL TYPES

NAME SLOPE SYMBOL HYDROLOGIC SOIL GROUPDEPTH TO RESTRICTIVE FEATURE DEPTH TO WATER TABLE

72 TO 99 INCHES TO LITHIC BEDROCK B/D0 TO 3 PERCENTBASHER SILT LOAM Bc ABOUT 18 TO 24 INCHES

PRONE, SLOW PERCOLATION, PIPING, POOR SOURCE OF TOP SOIL, FROST ACTION, AND WETNESS.

SATURATED ZONE/ SEASONAL HIGH WATER TABLE, HYDRIC/ HYDRIC INCLUSIONS, LOW STRENGTH/ LANDSLIDE

BASHER SILT LOAM (Bc) - CUTBANKS CAVE, CORROSIVE TO CONCRETE/STEEL, FLOODING, DEPTH TO

SOIL LIMITATION RESOLUTIONS

LIMITATION RESOLUTION

CUTBANKS CAVE

CONDUCT TRENCHING OPERATIONS IN ACCORDANCE WITH OSHA TECHNICAL

MANUAL FOR TRENCHING. STABILIZE BANKS IMMEDIATELY WITH SEED, MULCH,

EROSION CONTROL MATS, BONDED FIBER MATRIX, OR A COMBINATION OF THESE

AND/OR OTHER METHODS.

CORROSIVE TO

CONCRETE OR

STEEL

PROTECT CONCRETE AND STEEL WITH PROTECTIVE COATINGS, SELECT

ALTERNATIVE MATERIALS IN LIEU OF CONCRETE OR STEEL, OR A COMBINATION

OF THESE AND OR OTHER METHODS.

DROUGHTY

SELECT VEGETATIVE SPECIES TOLERANT TO DRY CONDITIONS, IRRIGATE

VEGETATED AREAS, OR IMPLEMENT COMBINATIONS OF THESE AND/OR OTHER

METHODS.

EASILY ERODIBLE

PROVIDE TEMPORARY OR PERMANENT CHANNEL LINING, DECREASE CHANNEL

GRADE, INCREASE CHANNEL WIDTH, SELECT VEGETATION WITH A GREATER

RETARDANCE, SELECT PERMANENT LININGS OTHER THAN GRASSES, OR

IMPLEMENTING COMBINATIONS OF THESE AND/OR OTHER METHODS.

DEPTH TO

SATURATED ZONE

\ SEASONAL HIGH

WATER TABLE \

WETNESS \

FLOODING \

PONDING \

HYDRIC SOILS

SELECT VEGETATIVE SPECIES TOLERANT TO WET CONDITIONS, TILE VEGETATED

AREAS, OR IMPLEMENT COMBINATIONS OF THESE AND/OR OTHER METHODS.

UTILIZE PUMPED WATER FILTER BAGS TO DEWATER DISTURBED AREAS DURING

CONSTRUCTION.

LOW STRENGTH \

LANDSLIDE PRONE

LOCATE ROADWAYS TO OTHER SOIL TYPES, IMPORT OTHER SOILS FOR ROADWAY

CONSTRUCTION, OR IMPLEMENT A COMBINATION OF THESE AND/OR OTHER

METHODS. FOR CUT/FILL SLOPES, REDUCE SLOPE, INSTALL EROSION CONTROL

MATTING, OR IMPLEMENT A COMBINATION OF THESE AND/OR OTHER METHODS.

SLOW

PERCOLATION

LOCATE INFILTRATION FACILITIES TO ANOTHER SOIL TYPE, RESTRICT

CONSTRUCTION TRAFFIC AT THOSE LOCATIONS, TILL SOIL IN THOSE LOCATIONS,

ADD SOIL AMENDMENTS SUCH AS COMPOST AT THOSE LOCATIONS.

PIPING

IMPORT OTHER SOIL FOR EMBANKMENTS OF SEDIMENT BASINS, SEDIMENT TRAPS,

STORM WATER RETENTION BASINS AND STORM WATER DETENTION BASINS,

LOCATE THOSE FACILITIES ON OTHER SOIL TYPES, LIMIT EMBANKMENT SLOPE

STEEPNESS, OR IMPLEMENT COMBINATIONS OF THESE AND/OR OTHER METHODS.

POOR SOURCE OF

TOPSOIL

IDENTIFY AND RESOLVE CHARACTERISTICS THAT RENDER THE SOIL TYPES POORLY

SUITED AS TOPSOIL. PERFORM SOIL TESTS TO DETERMINE THE REQUIRED SOIL

AMENDMENTS AND APPLICATION RATES. IDENTIFY SOILS ON-SITE THAT ARE

ADEQUATE SOURCES OF TOPSOIL AND STOCKPILE THESE FOR USE DURING

RESTORATION.

FROST ACTION

IMPORT OTHER SOIL FOR EMBANKMENTS OF SEDIMENT BASINS, SEDIMENT TRAPS,

STORM WATER RETENTION BASINS AND STORM WATER DETENTION BASINS,

LOCATE THOSE FACILITIES ON OTHER SOIL TYPES, DO NOT CONSTRUCT

EMBANKMENTS DURING PERIODS PRONE TO FROST, OR IMPLEMENT COMBINATIONS

OF THESE AND/OR OTHER METHODS.

SHRINK-SWELL

LOCATE FACILITIES THAT MAY BE SUSCEPTIBLE TO DAMAGE FROM SHRINK OR

SWELLING TO ANOTHER SOIL TYPE, IMPORT OTHER SOILS FOR THESE FACILITIES,

OR IMPLEMENT COMBINATION OF THESE AND/OR OTHER METHODS.

POTENTIAL

SINKHOLE

LOCATE SEDIMENT BASINS, SEDIMENT TRAPS, STORM WATER RETENTION BASINS

AND STORM WATER DETENTION BASINS ON OTHER TYPES OF SOIL, LINE

RESERVOIR AREAS WITH IMPERMEABLE LININGS, LIMIT STANDING WATER DEPTHS,

LIMIT RETENTION TIMES, AND IMPLEMENT COMBINATIONS OF THESE AND/OR

OTHER METHODS.

CONSTRUCTION STAGING AND DEMOLITION SEQUENCE

CONSTRUCTION

THE APPROPRIATE SEED FORMULA AND MULCHING TO ANY DISTURBED AREA RESULTING FROM THE REMOVAL OF A BMP.

POLLUTION CONTROL BMPS. DISPOSE OF ALL BMPS IN A LANDFILL OR OTHER APPROPRIATE OFF-SITE LOCATION. APPLY

13.UPON APPROVAL FROM THE COUNTY CONSERVATION DISTRICT, REMOVE ALL REMAINING EROSION AND SEDIMENT

DISTRICT TO INITIATE THE FINAL INSPECTION PROCESS.

DENSITY CAPABLE OF RESISTING ACCELERATED EROSION AND SEDIMENTATION, CONTACT THE COUNTY CONSERVATION

12.WHEN CONSTRUCTION IS COMPLETE AND PERMANENT VEGETATION HAS ESTABLISHED 70% UNIFORM COVER WITH A

11.REMOVE THE TRAFFIC DETOUR.

10.CONSTRUCT ROADWAY IMPROVEMENTS AS SHOWN ON THE PLAN.

9. REMOVE SANDBAG COFFERDAMS AND BYPASS PUMPING.

OUTSIDE THE CHANNEL AS REQUIRED.

8. BACKFILL THE EXCAVATION. IMMEDIATELY PLACE TOPSOIL, SEED, AND MULCH OR RECP WITHIN DISTURBED AREAS

TRENCH.

THE CULVERT IS INSTALLED WITH A 1' DEPRESSION BELOW THE ADJACENT STREAM GRADES. BACKFILL THE CULVERT

7. INSTALL THE PROPOSED CULVERT, ENDWALLS, AND RIP-RAP APRONS. WHEN INSTALLING, CONTRACTOR SHALL ENSURE

MATERIAL REMOVED FOR LATER USE. STOCKPILES SHALL BE PLACED OUTSIDE THE LIMITS OF THE FLOODWAY.

6. SAWCUT THE PAVEMENT AND EXCAVATE AND REMOVE THE EXISTING BRIDGE. STOCKPILE ANY NATURAL STREAMBED

5. INSTALL THE CONCRETE WASHOUT.

CLEAR AND GRUB THE PROPOSED WORK AREA WITHIN THE MARKED LIMITS OF THE DISTURBANCE.4.

FILTER BAG.

3. INSTALL SANDBAG COFFERDAMS AND BYPASS PUMPING TO DIRECT FLOW AROUND THE SITE, INCLUDING PUMPED WATER

2. IMPLEMENT THE TRAFFIC DETOUR.

1. INSTALL COMPOST FILTER SOCK AT THE LOCATIONS INDICATED.

EVALUATION.

PROTECTIVE FENCING AROUND SENSITIVE AREAS SHOWN ON THE PLAN OR IDENTIFIED DURING THE PRE-PROJECT

THAT ARE DURABLE ENOUGH TO LAST THE ENTIRE DURATION THAT THE DISTURBANCE WILL BE ACTIVE. INSTALL

2. CLEARLY MARK THE LIMITS OF DISTURBANCE AT THE LOCATIONS INDICATED ON THE PLAN. USE STAKES AND FLAGGING

AS PRACTICAL.

VEGETATION TO THE GREATEST EXTENT POSSIBLE. LIMIT CONSTRUCTION EQUIPMENT TO STABILIZED SURFACES AS MUCH

THAT SHOULD NOT BE DISTURBED DURING THE LIFE OF THE PROJECT. PROTECT EXISTING MATURE TREES AND

1. PERFORM A PRE-PROJECT SITE EVALUATION AND DETERMINE IF THERE ARE AREAS WITHIN THE LIMITS OF DISTURBANCE

LOCATION. STRIP AND STOCKPILE TOPSOIL ONLY AS NECESSARY FOR THE REQUIRED IMPROVEMENTS.

ESTABLISH TOPSOIL STOCKPILE LOCATION(S). INSTALL COMPOST FILTER SOCKS DOWNSLOPE OF THE STOCKPILE G.

F. SET UP NECESSARY TRAFFIC CONTROL MEASURES TO IMPLEMENT THE ROADWAY DETOUR DURING CONSTRUCTION.

COMMENCEMENT OF ANY EARTH DISTURBANCE.

REMOVE FROM THE SITE, RECYCLE OR DISPOSE OF ANY EXCESS MATERIAL IN A MANNER APPROVED BY PADEP.

STABILIZE ALL AREAS DISTURBED BY THE REMOVAL OF THE TEMPORARY EROSION/SEDIMENT POLLUTION CONTROLS.

CONTROLS AND SPREAD ON SITE. REMOVE TEMPORARY EROSION/SEDIMENT POLLUTION CONTROLS. PERMANENTLY

OVER THE ENTIRE DISTURBED AREA, REMOVE ANY SEDIMENT FROM THE TEMPORARY EROSION/SEDIMENT POLLUTION

ONCE A 70% UNIFORM EROSION-RESISTANT VEGETATIVE COVER HAS BEEN ESTABLISHED DEVICES AS SHOWN ON PLANS.

FIELD MARK THE LIMIT OF DISTURBANCE PRIOR TO THIS. MAINTAIN EROSION AND SEDIMENT POLLUTION CONTROL E.

SEEDING FORMULAS INDICATED.

PROTECTION ARE ALSO PROVIDED PER THE E&S PLAN. UNLESS OTHERWISE NOTED, STABILIZE ALL AREAS WITH THE

D. ALL REFERENCES TO STABILIZATION BY SEEDING IMPLY THAT THE APPROPRIATE SOIL SUPPLEMENTS AND MULCH

ACCORDING TO NOTE B.

PROPOSED CHANGES TO THE APPROVED PLAN WITH THE ENGINEER. UPON REVIEW AND APPROVAL, PROCEED

C. PROCEED WITH ALL EARTH DISTURBANCE ACTIVITIES IN ACCORDANCE WITH THE SEQUENCE. COORDINATE ANY/ALL

UNDERGROUND UTILITIES.

UNMARKED, NOTIFY THE PENNSYLVANIA ONE CALL SYSTEM INC AT 1-800-242-1776 FOR THE LOCATION OF EXISTING

AT LEAST 3 DAYS PRIOR TO STARTING ANY EARTH DISTURBANCE ACTIVITIES OR EXPANDING INTO AN AREA PREVIOUSLY B.

OTHER GOVERNING AUTHORITY TO AN ON-SITE MEETING.

INVITE ALL CONTRACTORS, LAND OWNERS, APPROPRIATE MUNICIPAL OFFICIALS, AND REPRESENTATIVES FROM ANY

AT LEAST 7 DAYS PRIOR TO STARTING ANY EARTH DISTURBANCE ACTIVITIES (INCLUDING CLEARING AND GRUBBING), A.

PRE-CONSTRUCTION

MAINTENANCE OF EROSION AND SEDIMENT POLLUTION CONTROL MEASURES

APPROVED BY PA DEP.

9. CONTRACTOR SHALL REMOVE FROM THE SITE, RECYCLE OR DISPOSE OF ANY EXCESS MATERIAL IN A MANNER

8. THE CONTRACTOR IS RESPONSIBLE FOR ALL OFF-SITE EROSION AND SEDIMENT POLLUTION CONTROL.

CONTROL PLAN.

7. THE CONTRACTOR IS RESPONSIBLE FOR MAINTAINING ALL FACILITIES SHOWN ON THE EROSION AND SEDIMENT

THE TOPSOIL, RE-SOW THE GRASS, AND APPLY MULCH.

6. ON ANY PERMANENT SEEDING AREAS THAT BECOME ERODED OR DISTURBED, CONTRACTOR SHALL REPLACE

SITE AND INCORPORATED INTO THE SITE GRADING.

5. ANY SEDIMENT REMOVED FROM BMPS DURING CONSTRUCTION SHALL BE RETURNED TO UPLAND AREAS ON

WILL RETURN TO COMPLIANCE.

c. THE TIME FRAME TO CORRECT THE NON COMPLIANCE, INCLUDING THE EXACT DATES WHEN THE ACTIVITY

b. ALL STEPS TAKEN TO REDUCE, ELIMINATE AND PREVENT THE RECURRENCE OF THE NON-COMPLIANCE.

a. RECORD LOCATION AND SEVERITY OF BMPS FAILURE.

POLLUTION:

4. RECORD THE FOLLOWING INFORMATION IF BMPS CONTINUE TO FAIL TO ALLEVIATE EROSION AND SEDIMENT

SEDIMENTATION BMPS FAIL TO PERFORM AS EXPECTED, REPLACE OR MODIFY BMPS AS NEEDED.

REPAIR, REPLACEMENT, RE-GRADING, RESEEDING, RE-MULCHING, AND RE-NETTING. IF EROSION AND

3. PERFORM IMMEDIATELY ALL PREVENTATIVE AND REMEDIAL MAINTENANCE WORK, INCLUDING CLEAN OUT, LOG ON-SITE AT ALL TIMES AND AVAILABLE UPON REQUEST BY THE COUNTY CONSERVATION DISTRICT.

ACTIONS, DATE, TIME, AND THE NAME OF THE PERSON CONDUCTING THE INSPECTION. KEEP THE INSPECTION

2. DOCUMENT ALL SITE INSPECTIONS IN AN INSPECTION LOG KEPT FOR THIS PURPOSE WITH THE COMPLIANCE

REPLACE ALL FACILITIES THAT ARE DAMAGED, CLOGGED, OR CAN NO LONGER FUNCTION AS INTENDED.

1. CHECK ALL SEDIMENT AND EROSION CONTROL FACILITIES FOR DAMAGE WEEKLY AND AFTER EACH STORM.

PERMANENT EROSION AND SEDIMENT POLLUTION CONTROL MEASURES

OTHERWISE NOTED.

WITH THE REQUIREMENTS OF THE PA DEP EROSION AND SEDIMENT CONTROL PROGRAM MANUAL UNLESS

5. IMPLEMENT ALL PERMANENT SOIL EROSION AND SEDIMENTATION CONTROL MEASURES IN ACCORDANCE

CONSTRUCTION.

4. THE CONTRACTOR WILL MAINTAIN ALL PERMANENT EROSION CONTROL MEASURES DURING

(2) MULCHING - STRAW @ 1200 LBS./1000 S.Y.

C. ANNUAL RYEGRASS - 10% BY WEIGHT

B. CREEPING RED FESCUE - 35% BY WEIGHT

A. HARD FESCUE - 55% BY WEIGHT

(1) SEED @ 48.0 LBS./1000 S.Y.

B. FORMULA L SEED MIXTURE (PENNDOT SPECIFICATIONS - ALL OTHER AREAS)

(2) MULCHING - STRAW @ 1200 LBS./1000 S.Y.

C. KENTUCKY BLUEGRASS - 50% BY WEIGHT

B. CREEPING RED FESCUE OR CHEWINGS FESCUE - 30% BY WEIGHT

A. PERENNIAL RYEGRASS MIXTURE - 20% BY WEIGHT

(1) SEED @ 42.0 LBS./1000 S.Y.

A. FORMULA B SEED MIXTURE (PENNDOT SPECIFICATIONS - LAWN AREAS WITH 3:1 SLOPES AND FLATTER)

VEGETATION. THE FOLLOWING TYPES OF TREATMENT HAVE BEEN RECOMMENDED FOR THIS PROJECT:

SHALL BE STABILIZED BY APPLYING A SEED MIXTURE TO ESTABLISH AN EROSION RESISTANT STAND OF

3. ALL AREAS DISTURBED BY CONSTRUCTION, OTHER THAN THOSE RECEIVING LANDSCAPING OR PAVING, AN APPROVED PLANTING SEASON.

2. PERMANENT SEEDING AND MULCHING WILL BE INCORPORATED INTO THE CONSTRUCTION PHASE DURING

1. PERMANENT SOIL PROTECTION WILL BE COMPLETED AS EARLY AS PRACTICAL.

HARRISBURG, PA 17111

369 EAST PARK DRIVE

HERBERT, ROWLAND & GRUBIC, INC.

ENGINEER

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REGISTERED

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SEEDING SCHEDULE

1. FERTILIZER SHALL BE APPLIED IN ACCORDANCE WITH A SOIL TEST. IN THE ABSENCE OF A SOIL TEST, FERTILIZER SHALL BE APPLIED AS FOLLOWS:

2. SPECIFICATION ITEMS OBTAINED USING PENNDOT PUBLICATION NO. 408

3. ALL AREAS RECEIVING PERMANENT SEEDING SHALL HAVE A MINIMUM OF 4" OF ORGANIC TOPSOIL.

AND

OR

OR

* PERENNIAL RYEGRASS: A COMBINATION OF IMPROVED CERTIFIED VARIETIES WITH NO ONE VARIETY EXCEEDING 50%

** KENTUCKY BLUEGRASS: A COMBINATION OF IMPROVED CERTIFIED VARIETIES WITH NO ONE VARIETY EXCEEDING 50%

4. MULCH CONTROL NETTING MUST BE PLACED ON ALL SLOPES STEEPER THAN 3:1

FORMULA B

PENNDOT

AND FLATTER

WITH SLOPES 3:1

LAWN AREAS

APPLICATION

FORMULA

SEEDING

SPECIES APPLICATION RATE FERTILIZER LIMING RATE SEEDING DATE

SY

800LBS/ 1000

BELOW

SEE NOTE 1

FORMULA L

PENNDOT

AREAS

ALL OTHER

STRAW

MULCH RATEMULCH

8/1 TO 10/15

3/15 TO 6/1 AND

STRAW

FORMULA T

PENNDOT

TEMPORARY

8/1 TO 10/15

3/15 TO 6/1 AND STRAW

BELOW

SEE NOTE 1

SY

800LBS/ 1000

(AVENA SATIVA)

OATS (SPRING)

(SECALE CEREALE)

CEREAL (FALL)

OF THE TOTAL RYEGRASS COMPONENT.

BELOW

SEE NOTE 1

OF THE TOTAL BLUEGRASS COMPONENT.

MULTIFLORUM)

ANNUAL RYEGRASS (LOLIUM

(FESTUCA RUBRA)

CREEPING RED FESCUE

(FESTUCA LONGIFOLIA)

HARD FESCUE***

*** HARD FESCUE: A COMBINATION OF IMPROVED CERTIFIED VARIETIES WITH NO ONE VARIETY EXCEEDING 50% OF THE

TOTAL HARD FESCUE COMPONENT.

**** MULCH TO BE ANCHORED WITH WOOD CELLULOSE FIBER AT 160 LBS/1000 SY OR EQUAL.

(POA PRATENSIS)

KENTUCKY BLUEGRASS MIXTURE**

(FESTUCA RUBRA OR SSP COMMUTATE)

CREEPING RED FESCUE OR CHEWINGS FESCUE

(LOLIUM PERENNE)

PERENNIAL RYEGRASS MIXTURE*

SY****

1200 LBS / 1000

SY****

1200 LBS / 1000

A. 10-20-20 ANALYSIS COMMERCIAL FERTILIZER AT 140 LBS/1000 SY

B. 38-0-0 UREAFORM FERTILIZER AT 50 LBS/1000 SY

32-0-0 TO 38-0-0 SULFUR COATED UREA FERTILIZER AT 59-50 LBS/1000 SY AS DIRECTED

31-0-0 IBDU FERTILIZER AT 61 LBS/1000 SY

SY

800LBS/ 1000

4.8 LBS/1000 SY

16.8 LBS/1000 SY

26.4 LBS/1000 SY

21 LBS/1000 SY

12.5 LBS/1000 SY

8.5 LBS/1000 SY

8/1 TO 10/15

3/15 TO 6/1 AND

SY****

1200 LBS/ 1000

6 LBS/1000 SY

6 LBS/1000 SY

NOT TO SCALE

PUMP DISCHARGE ENERGY DISSIPATER DETAIL

PYRAMIDAL CONFIGURATION FOR ADDED HEIGHT.

SOCKS IN 18" DIAMETER FILTER SOCK MAY BE STACKED ONTO DOUBLE 24" DIAMETER 2.

INSTALL ON FLAT GRADE (0 < 2% SLOPE).1.

:NOTES

SPACED 5' O.C.

2" x 2" x 36" WOOD STAKES

12" MIN.

FILTER SOCK

12" DIAMETER COMPOST

SECTION A-A

PLAN

SPACED 5' O.C.

2" x 2" x 36" WOOD STAKES INTO FILTER RING

PUMP FROM UPSTREAM (CLEAN WATER)

SIDE OF FILTER RING

OVERLAP ON UPSLOPE

FILTER SOCK. 4' MINIMUM

12" DIAMETER COMPOST

AA

EXISTING GROUND

R-4

CLASS 4, TYPE A GEOTEXTILE

1TOPSOIL/DEBRIS

STOCKPILE

NOT TO SCALE

NOTE: STOCKPILE HEIGHTS SHALL NOT EXCEED 35 FEET.

STOCKPILE SLOPES SHALL BE 3 : 1 OR FLATTER.

* SEE COMPOST FILTER SOCK DETAIL FOR INSTALLATION

* COMPOST FILTER SOCK

* COMPOST FILTER SOCK

GRADE

EXISTING

TYPICAL STOCKPILE DETAIL

STREAM

INTAKE PIPE

PUMP

COFFERDAM

TEMPORARY

CULVERT

DISSIPATER

ENERGY

CULVERT

PIPE

DISCHARGE

ANCHORED PLASTIC)

(R-4 OR SECURELY

ENERGY DISSIPATER

PUMP DISCHARGE

IN-CHANNEL WORK/PUMPED BYPASS DETAIL

NOT TO SCALE

AREAS THAT HAVE NOT YET ACHIEVED STABILIZATION.

PROVIDED FOR THE STREAM CHANNEL FROM ANY DISTURBED

REDIRECTED INTO IT. SUITABLE PROTECTION SHOULD BE

SHOULD BE COMPLETED AND STABILIZED BEFORE FLOW IS

CHANNEL ALL DISTURBED AREAS WITHIN THE EXISTING 6.

1/2 FILLED WITH SEDIMENT.

THE BAG WILL BE ACCESSED AND REMOVED ONCE IT HAS BEEN

SHOULD BE USED. CONSIDERATION SHOULD BE GIVEN TO HOW

AREAS ARE NOT AVAILABLE, A GEOTEXTILE UNDERLAYMENT

BAG AND PROPERLY DISPOSED. WHEREVER WELL VEGETATED

ITS TOTAL CAPACITY, IT SHOULD BE REPLACED WITH A NEW

SECURELY CLAMPED. WHEN THE BAG HAS BEEN FILLED TO 1/2

BAGS IN THE MANNER SPECIFIED BY THE MANUFACTURER AND

THE PUMP DISCHARGE HOSE SHALL BE INSERTED INTO THE

DESIGNED TO TRAP PARTICLES LARGER THAN 150 MICRONS.

SLOPE), WELL VEGETATED AREA. THE BAG SHOULD BE

ACCEPTABLE METHOD IF LOCATED ON A RELATIVELY FLAT (<5%

COMMONWEALTH. THE USE OF FILTER BAGS IS ANOTHER

FILTERED PRIOR TO DISCHARGING INTO WATERS OF THE

AREAS MUST BE ANY PUMPED WATER FROM EXCAVATED 5.

PLAN.

AN APPROVED EROSION AND SEDIMENT POLLUTION CONTROL

MUST BE IMMEDIATELY REMOVED TO A DISPOSAL SITE HAVING

BE USED ON SITE ALL EXCAVATED MATERIALS THAT WILL NOT 4.

STORAGE PILE AND THE STREAM CHANNEL.

SEDIMENT BARRIER SHOULD BE INSTALLED BETWEEN THE

TEMPORARY STOCKPILE LOCATED OUTSIDE THE CHANNEL. A

SUBSEQUENTLY USED AS BACKFILL SHOULD BE PLACED IN A

WILL BE ALL EXCAVATED CHANNEL MATERIALS THAT 3.

POSSIBLE, AND STABILIZED.

TO PRE-CONSTRUCTION CONFIGURATIONS, AS MUCH AS

COMPLETION, ALL CHANNEL ENTRANCES SHOULD BE RESTORED

ANY EQUIPMENT WORKING WITHIN THE CHANNEL. UPON

POSSIBLE, A TEMPORARY CROSSING SHOULD BE PROVIDED FOR

TOP OF BANKS WHEREVER POSSIBLE. WHERE THIS IS NOT

DONE FROM THE ANY IN-CHANNEL EXCAVATIONS SHOULD BE 2.

COMPLETED AND STABILIZED PRIOR TO DIVERTING FLOW.

BY MEANS OF A BYPASS PUMP. ALL SUCH BYPASSES SHOULD BE

THE WORK AREA NORMAL FLOW SHOULD BE CONVEYED PAST 1.

NOTES:

PUMP

FILTER BAG

WATER

PUMPED

COFFERDAM

TEMPORARY

EROSION AND SEDIMENT POLLUTION CONTROL PLAN

SANDBAG COFFERDAM FOR PUMP BY-PASS DETAIL

NOT TO SCALE

STREAM

FLOW

PLASTIC OR EPMD RUBBER SHEETING

SANDBAGS, 75 LBS/BAG MIN. WEIGHT

SANDBAGS TO FORM A WATERTIGHT SEAL.

OR EPMD LINER TO THE TOP, BOTTOM AND SIDES OF THE COFFERDAM WITH

SHEETING TOE THE SANDBAGS INTO THE EMBANKMENT. SECURE THE PLASTIC 1.

NOTES:

WORK AREA

NORMAL BASE FLOW

ABOVE THE HEIGHT OF (MIN)

MAINTAIN 2 ROWS OF SANDBAGS

2' MIN.

PLACE SANDBAGS TO HOLD SHEETING IN PLACE

STREAMBED

ORIGINAL

IN PLACE

TO HOLD SHEETING

PLACE SANDBAGS

INVERT

CLEARED CHANNEL

PLACE SHEETING ON

EXCAVATED AREA

HARRISBURG, PA 17111

369 EAST PARK DRIVE

HERBERT, ROWLAND & GRUBIC, INC.

ENGINEER

A I

N A

VLYS

N

N

E P

PROFESSIONAL

REGISTERED

F O

H

TLAEWN

O M

M

O C

REV

NO

REVISIONS DATE BY APPD

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MIFFLIN TOWNSHIP

NOT TO SCALE

WORK AREA

M

IN

SECTION - COMPOST FILTER SOCK

PLAN VIEW - AS SILT BARRIER

COMPOST FILTER SOCK

BLOWN/PLACED

FILTER MEDIA

AREA

UNDISTURBED

STAKE

WOODEN

2"x2"

AREA

UNDISTURBED

AREA

DISTURBED

10' O.C.

STAKE PLACED

2"x2" WOODEN

F L

O W

F L

O W

SIZE VARIES

COMPOST FILTER SOCK

SOIL SUPPLEMENT.

THE LATTER CASE, THE MESH SHALL BE CUT OPEN AND THE MULCH SPREAD AS A

REMOVED. THE SOCK MAY BE LEFT IN PLACE AND VEGETATED OR REMOVED. IN

STAKES SHALL BE UPON STABILIZATION OF THE AREA TRIBUTARY TO THE SOCK, 7.

REPLACED ACCORDING TO MANUFACTURER'S RECOMMENDATIONS.

PHOTODEGRADABLE SOCKS AFTER 1 YEAR. POLYPROPYLENE SOCKS SHALL BE

MONTHS; BIODEGRADABLE FILTER SOCK SHALL BE REPLACED AFTER 6 6.

PRACTICE MANUAL.

VERSION OF THE PENNSYLVANIA EROSION CONTROL BEST MANAGEMENT

THE LATEST SOCK FABRIC AND COMPOST SHALL MEET THE STANDARDS OF 5.

REPLACED WITHIN 24 HOURS OF INSPECTION.

SOCKS SHALL BE REPAIRED ACCORDING TO MANUFACTURER'S SPECIFICATIONS OR

EVENT. DAMAGED SOCKS SHALL BE INSPECTED WEEKLY AND AFTER EACH RUNOFF 4.

PENNSYLVANIA EROSION CONTROL BEST MANAGEMENT PRACTICE MANUAL.

GROUND HEIGHT OF THE SOCK AND DISPOSED IN THE MANNER DESCRIBED IN THE

THE ABOVE ½ACCUMULATED SEDIMENT SHALL BE REMOVED WHEN IT REACHES 3.

TRAFFIC SHALL NOT BE PERMITTED TO CROSS FILTER SOCK.2.

MANAGEMENT PRACTICE MANUAL.

EXCEED THAT SHOWN IN THE PENNSYLVANIA EROSION CONTROL BEST

SOCK ALIGNMENT. MAXIMUM SLOPE LENGTH ABOVE ANY SOCK SHALL NOT

GRADE. BOTH ENDS COMPOST FILTER SOCK SHALL BE PLACED AT EXISTING LEVEL 1.

NOTES:

COMPOST FILTER SOCK

FILTER BAG

RESUME UNTIL THE PROBLEM IS CORRECTED.

IMMEDIATELY AND NOT FILTER BAGS SHALL BE INSPECTED DAILY. IF ANY PROBLEM IS DETECTED, PUMPING SHALL CEASE 7.

WHICHEVER IS LESS. PUMP INTAKES SHALL BE FLOATING AND SCREENED.

MANUFACTURER, THE PUMPING RATE SHALL BE NO GREATER THAN 750 GPM OR 1/2 THE MAXIMUM SPECIFIED BY THE 6.

AND SECURELY CLAMPED. A PIECE OF PVC PIPE IS RECOMMENDED FOR THIS PURPOSE.

MANUFACTURER THE PUMP DISCHARGE HOSE SHALL BE INSERTED INTO THE BAGS IN THE MANNER SPECIFIED BY THE 5.

SURFACE WATER OR WHERE GRASSY AREA IS NOT AVAILABLE.

SOCK SHALL BE INSTALLED BELOW BAGS LOCATED IN HQ OR EV WATERSHEDS, WITHIN 50 FEET OF ANY RECEIVING

FILTER NO DOWNSLOPE SEDIMENT BARRIER IS REQUIRED FOR MOST INSTALLATIONS. COMPOST BERM OR COMPOST 4.

PLACED UNDER THE BAG TO REDUCE SLOPE STEEPNESS.

THAN 5%. FOR SLOPES EXCEEDING 5%, CLEAN ROCK OR OTHER NON-ERODIBLE AND NON-POLLUTING MATERIAL MAY BE

BE PLACED ON FILTER STONE TO INCREASE DISCHARGE CAPACITY. BAGS SHALL NOT BE PLACED ON SLOPES GREATER

AREAS. WHERE THIS IS NOT POSSIBLE, A GEOTEXTILE UNDERLAYMENT AND FLOW PATH SHALL BE PROVIDED. BAGS MAY

RESISTANT BAGS SHALL BE LOCATED IN WELL-VEGETATED (GRASSY) AREA, AND DISCHARGE ONTO STABLE, EROSION 3.

REMOVAL UNLESS BAGS COME WITH LIFTING STRAPS ALREADY ATTACHED.

FOR REPLACEMENT OF THOSE THAT HAVE FAILED OR ARE FILLED. BAGS SHALL BE PLACED ON STRAPS TO FACILITATE

FILTER BAGS SHALL BE REPLACED WHEN THEY BECOME 1/2 FULL OF SEDIMENT. SPARE BAGS SHALL BE KEPT AVAILABLE

BE PROVIDED. A SUITABLE MEANS OF ACCESSING THE BAG WITH MACHINERY REQUIRED FOR DISPOSAL PURPOSES SHALL 2.

VOLUME FILTER BAGS SHALL BE MADE FROM WOVEN GEOTEXTILES THAT MEET THE FOLLOWING STANDARDS:

DOUBLE STITCHED "J" TYPE SEAMS. THEY SHALL BE CAPABLE OF TRAPPING PARTICLES LARGER THAN 150 MICRONS. HIGH

STRENGTH, LOW VOLUME FILTER BAGS SHALL BE MADE FROM NON-WOVEN GEOTEXTILE MATERIAL SEWN WITH HIGH 1.

NOTES:

80 SIEVEASTM D-4751AOS % RETAINED

70%ASTM D-4355UV RESISTANCE

350 PSIASTM D-3786MULLEN BURST

110 LBASTM D-4833PUNCTURE

205 LBASTM D-4632GRAB TENSILE

60 LB/INASTM D-4884AVG. WIDE WIDTH STRENGTH

MINIMUM STANDARDTEST METHODPROPERTY

PLAN VIEW

WELL VEGETATED, GRASSY AREA

FILTER BAG

ELEVATION VIEW

WELL VEGETATED, GRASSY AREA

PUMPED WATER FILTER BAG DETAIL

NOT TO SCALE

INTAKE HOSE

PUMP

INTAKE HOSE

PUMP

CLAMPS

HOSE

DISCHARGE

(RECOMMENDED)

HEAVY DUTY LIFTING STRAPS

DISCHARGE HOSE

CLAMPS

EROSION AND SEDIMENT POLLUTION CONTROL PLAN

HARRISBURG, PA 17111

369 EAST PARK DRIVE

HERBERT, ROWLAND & GRUBIC, INC.

STAKES PLACED 5' O.C.

2" X 2" X 36" WOODEN

NOT TO SCALE

FILTER SOCK

18" DIAMETER COMPOST

CONCRETE WASHOUT

PUMP CONTAMINATED WATER INTO

CONCRETE WASHOUT

STAKES PLACED 5' O.C.

2" X 2" X 36" WOODEN

HEIGHT

WATER IS 50% OF CONCRETE WASHOUT

MAXIMUM DEPTH OF CONTAMINATED

FILTER SOCK

18" DIAMETER COMPOST

12" MIN

GEOMEMBRANE

IMPERVIOUS

SECTION

PLAN

ENGINEER

A I

N A

VLYS

N

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E P

PROFESSIONAL

REGISTERED

F O

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TLAEWN

O M

M

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RAJESH KUMAR MOOLA

PE089722

INSTALLING THE SOCKS

PLACED AT THE LOCATION OF THE WASHOUT PRIOR TO

A SUITABLE IMPERVIOUS GEOMEMBRANE SHALL BE

CONFIGURATION FOR ADDED HEIGHT AND STABILITY

CONCRETE WASHOUT MAY BE STACKED IN A PYRAMIDAL

INSTALL ON FLAT GRADE FOR OPTIMUM PERFORMANCE

NOTES

3.

2.

1.

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GROUND LINE

EXISTING

GROUND LINE

EXISTING

EXISTING GROUND LINE

SOIL

WITH SURFACE, SEE NOTE 1

WITH PROPER CONTACT

ROLLED EROSION CONTROL PRODUCTS

SURFACE

ROLLED EROSION CONTROL PRODUCTS AND

TO PROVIDE CONTINUOUS CONTACT BETWEEN

REMOVE OBSTRUCTIONS AND FILL VOIDS

WITH SURFACE, SEE NOTE 1

WITHOUT PROPER CONTACT

ROLLED EROSION CONTROL PRODUCTS

VOID

SOIL

2'-0" - 3'-0"

MATERIAL

EMBANKMENT

12"

4"

4"

SEE ANCHOR DETAILS

ANCHORS (TYP)

MATERIAL

EMBANKMENT

ANCHORS (TYP)

3'-0"

1'-6"

3'-0"

1'-6"

ANCHOR PATTERNS FOR SLOPES

PLACE 2 ANCHORS/SY

1H:1V OR STEEPER

ANCHOR PATTERN FOR

(INCLUDING 3H:1V)

BETWEEN 3H;1V AND 2H:1V

ANCHOR PATTERN FOR SLOPES

PLACE 1½ ANCHORS/SY

PLACE 2½ ANCHORS/SY

PLACE 1 ANCHORS/SY

SLOPES FLATTER THAN 3H:1V

ANCHOR PATTERN FOR

FIGURE 2

CONTINUOUS CONTACT

FIGURE 1

LACK OF CONTINUOUS CONTACT

TYPICAL SLOPE CROSS SECTION

PUBLICATION 408, SECTION 806.2(d).

2. PROVIDE ANCHORING DEVICES IN ACCORDANCE WITH

AND THE SOIL.

BETWEEN THE ROLLED EROSION CONTROL PRODUCTS

1. ESTABLISH AND MAINTAIN CONTINOUS CONTACT

NOTES:

(INCLUDING 2H:1V)

BETWEEN 2H:1V AND 1H:1V

ANCHOR PATTERNS FOR SLOPES

2'-0" - 3'-0"

12"

6"

PRODUCT, AS INDICATED

ROLLED EROSION CONTROL

NOT TO SCALE

ROLLED EROSION CONTROL PRODUCTS (RECP)

EROSION AND SEDIMENT POLLUTION CONTROL PLAN

3'-0" 3'-0"

HARRISBURG, PA 17111

369 EAST PARK DRIVE

HERBERT, ROWLAND & GRUBIC, INC.

ENGINEER

A I

N A

VLYS

N

N

E P

PROFESSIONAL

REGISTERED

F O

H

TLAEWN

O M

M

O C

REV

NO

REVISIONS DATE BY APPD

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MIFFLIN TOWNSHIP

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SEE DETAIL AEMBANKMENT MATERIAL (TYP)

MATERIAL (TYP)

EMBANKMENT

EMBANKMENT MATERIAL (TYP)

GROUND LINE

EXISTING

WIDTH, AS INDICATED

FOR ANCHOR PATTERN

SEE SHEET 5

ANCHOR (TYP),

FOR ANCHOR PATTERN

SEE SHEET 5

ANCHOR (TYP),

FLOW

FLOW

AS REQUIRED

ANCHOR PATTERN,

AS REQUIRED

ANCHOR PATTERN,

EMBANKMENT MATERIAL (TYP)

SEE NOTE 3

SEE NOTE 2

INITIAL ANCHOR TRENCH

SEE NOTE 1

6"

(SEE NOTE 4)

2'-0" TO 3'-0"

END

UPSTREAM

SEE DETAIL A

END

DOWNSTREAM

4"

12"

(SEE NOTE 4)

2'-0" TO 3'-0"

6"

4"

3"

3"

1'-0"

6"

BACKFILL

COMPACTED

OF PUBLICATION 408.

6. PROVIDE ANCHORING DEVICES IN ACCORDANCE WITH SECTION 806.2(d)

5. PLACE 2½ ANCHORS/SY.

THE CREST OF CHANNEL SIDE WHENEVER POSSIBLE.

4. EXTEND ROLLED EROSION CONTROL PRODUCTS 2'-0" TO 3'-0" ABOVE

SEPARATION FROM THE SOIL.

SMOOTHLY ONTO THE ROLLED EROSION CONTROL PRODUCTS WITHOUT

THE WIDTH OF THE CHANNEL TO ENSURE WATER FLOW TRANSITIONS

3. EXCAVATE TERMINAL ANCHOR TRENCH 1'-0" DEEP AND 6" WIDE ACROSS

EROSION CONTROL PRODUCTS.

FROM BEING TRANSPORTED DOWNSTREAM BENEATH THE ROLLED

OF THE ROLLED EROSION CONTROL PRODUCTS TO PREVENT LOOSE SOIL

THE WIDTH OF THE CHANNEL AT 25'-0" TO 30'-0" ALONG THE LENGTH

2. EXCAVATE INTERMITTENT CHECK SLOT 6" DEEP AND 6" WIDE ACROSS

EROSION CONTROL PRODUCTS.

THE WIDTH OF THE CHANNEL TO PREVENT UNDERMINING OF THE ROLLED

1. EXCAVATE INITIAL ANCHOR TRENCH 1'-0" DEEP AND 6" WIDE ACROSS

NOTES:

TERMINAL ANCHOR TRENCH

DETAIL A

INTERMITTENT CHECK SLOT

CROSS SECTION

TYPICAL V-DITCH

CHANNEL CROSS SECTION

TYPICAL TRAPEZOIDAL

NOT TO SCALE

ROLLED EROSION CONTROL PRODUCTS (RECP)

FLOW

FOR ANCHOR PATTERN

SEE SHEET 5

ANCHOR (TYP),

4"

EMBANKMENT MATERIAL (TYP)

EMBANKMENT MATERIAL (TYP)

EROSION AND SEDIMENT POLLUTION CONTROL PLAN

HARRISBURG, PA 17111

369 EAST PARK DRIVE

HERBERT, ROWLAND & GRUBIC, INC.

ENGINEER

A I

N A

VLYS

N

N

E P

PROFESSIONAL

REGISTERED

F O

H

TLAEWN

O M

M

O C

REV

NO

REVISIONS DATE BY APPD

7 7-T-478DAUPHIN8-0

MIFFLIN TOWNSHIP

-J

U L

-2

:1

P

L O

T T

E D

O P

E R

A T

O R

F

IL

E N

A M

E c h a r tz

P

\0

\0

M if f li n \O

R D

\E S

C \T

E

S C

P L

.d g n

SOIL BOUNDARY

SOIL TYPE

LIMIT OF DISTURBANCE

CONCRETE WASHOUT

STOCKPILE & STAGING AREA

SANDBAG COFFERDAM

LEGEND

Bc

COMPOST FILTER SOCK, 12" DIAMETER

PUMPED WATER FILTER BAG

NATURAL STREAMBED MATERIAL*

GROUTED AND CHOKED WITH ROCK, CLASS R-4 AND

SELECTED BORROW EXCAVATION ROCK, CLASS R-7

ROCK ENERGY DISSIPATER FOR PUMP DISCHARGE

CW

S & S

FB

RD

TEMPORARY ROLLED EROSION CONTROL PRODUCT

UTILITY FACILITY TO BE RELOCATED (BY OTHERS)

F FILL LINE

CFS

LOD

CUT LINE - APPROXIMATE STRUCTURE EXCAVATION LIMITS

WESTERN SIDE OF POLE #CT CO EV 1

BM# 3 ELEV 571.95

CUT LINEC

EXCAVATION LIMITS

APPROXIMATE STRUCTURE

EROSION AND SEDIMENT POLLUTION CONTROL PLAN

HARRISBURG, PA 17111

369 EAST PARK DRIVE

HERBERT, ROWLAND & GRUBIC, INC.

ASSUMED 50' FLOODWAY LINE

INSTR #2022030212

N/F MICHAEL & DOROTHY LAPP

INSTR #20210008693

N/F AMOS M & LINDA J STOLTZFUS

INSTR #20060020700

N/F S & L SPINDLES, LLC

SCALE

0 25 50 FEET

ENGINEER

A I

N A

VLYS

N

N

E P

PROFESSIONAL

REGISTERED

F O

H

TLAEWN

O M

M

O C

RAJESH KUMAR MOOLA

PE089722

ROCK. (SEE STRUCTURE PLANS FOR ADDITIONAL INFORMATION)

ALLOWING THE STREAM TO DIRECTLY CONTACT THE NEW GROUTED

MONITOR THE DISCHARGE UNTIL THE PH FALLS BELOW 9.0 BEFORE

INTO THE STREAM. USE A PROPERLY CALIBRATED PH METER TO

MANNER THAT PREVENTS EROSION AND RE-ENTRY OF THE WATER

STREAM WATER AND PUMP TO AN UPLAND AREA TO DISCHARGE IN A

HARDEN ENOUGH TO SUPPORT FOOT TRAFFIC. FLUSH GROUT WITH

* FOR ALL GROUT WORK WITHIN STREAMBANKS, ALLOW GROUT TO

C T

C O

E V

E V

C T

C O

"N O

P A

R K

IN

G

C O

N C D

R

IV

E

SI

G

N

T-478 (WEAVER RD)

LI

TT

LE

W

IC

O

NI

SCO

C

REE

K

BM #3

FOR TOWNSHIP ROAD

LEGAL RIGHT-OF-WAY LINE

FOR TOWNSHIP ROAD

LEGAL RIGHT-OF-WAY LINE

STA 10+84.00

RECONSTRUCTION

BEGIN FULL DEPTH

STA 12+05.00

RECONSTRUCTION

END FULL DEPTH

R E

S E

T

(AS NEEDED)

REMOVE AND RESET FENCE

T-478

STA 9+88.00

START WORK

DAUPHIN COUNTY

MIFFLIN TOWNSHIP

T-478

STA 9+38.00

LIMIT OF WORK

DAUPHIN COUNTY

MIFFLIN TOWNSHIP

T-478

STA 13+57.00

LIMIT OF WORK

T-478

STA 13+07.00

STOP WORK

T-478 SURVEY & CONST �9 10 11 12 13 1410 S21°38'14"E

CW

S & S

PUMP

PUMP

RD

FB

CFS

C

FS

Bc

Bc

F L O

O D

W A

Y

A S S

U M

E D

FILTER BAG (AS NEEDED)

LINE TO PUMPED WATER

TEMPORARY DE-WATERING

BYPASS LINE TO STREAM

TEMPORARY CLEAN-WATER

CFS

' F

LO

O D

W

AY

ASS

U

M

ED

CFS CFS

CFS

CFS

CFS CFS CFS

(AS NEEDED)

REMOVE AND RESET FENCE

CFS