Appendix_C_-_Record_Drawings_-_2606xx.pdf

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SHEET

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DRAWING

NO. DRAWING TITLE

1 G001 COVER SHEET , LIST OF DRAWINGS, VICINITY MAP, AND KEY MAP

2 C001 EXISTING SITE PLAN

3 C002 SITE DEMOLITION PLAN, SEDIMENT CONTROL AND NOTES

4 C003 SITE PLAN

5 C004 PROFILE

6 C005 SEDIMENT AND EROSION CONTROL NOTES

7 C006 SEDIMENT AND EROSION CONTROL DETAILS 1

8 C007 MISCELLANEOUS DETAILS

9 S001 THRUST BLOCK DETAILS

10 W001 FLOWMETER VAULT PLAN AND SECTION

11 E001 MISCELLANEOUS ELECTRICAL DETAILS

ANNE'S

DELAW

ARE

DORCHESTER

VIRGINIA

ST. MARY'S

CHARLES

D.C.

PRINCE

GEORGE'S

CALVERT

BAY

CHESAPEAKE

WORCESTER

SOMERSET

WICOMICO

CAROLIN E

PENNSYLVANIA

GARRETT ALLEGANY WASHINGTON

KENT

ANNE

ARUNDEL

BALTIMOREFREDERICK

MONTGOMERY

HOWARD

CARROLL

QUEEN

HARFORD

CECIL

TALBOT

PROJECT LOCATION

BALT.

CITY

PROJECT LOCATION

MILLER HILL RD

ARLOUGH PT

MAY PT

5310 HAWTHORNE ROAD

LA PLATA, MD 20646

This Drawing shall not be used for Construction unless Signed and Sealed For Construction

Check Drafting

DateDrawnRevisionNo

Original Size

Title

Project

Client

Check

DesignerDrawn

Scale

Design

Note: * indicates signatures on original issue of drawing or last revision of drawing

CLIENTS PEOPLE PERFORMANCE

Plot Date: Cad File No:10 February 2020 - 10:43 AM G:\86\14894\CADD\Record Drawings\Civil 3D\86.14894 - Mattawoman C3D\C3D Sheets\86-14894-G001.dwg

Suite 330, 16701 Melford Boulevard, Bowie Maryland USA T 1 301 805 5629 F 1 301 805 4665 E bowmail@ghd.com W www.ghd.com

GHD Incorporated (Project Director) Approved

Date

Job Manager

Project Director

Plotted by: Larisa Bereznitsky

JFM LWM

N

N

CHARLES SCD 1 OF 6

NOT TO SCALE

1" = 5 MILES

PROFESSIONAL CERTIFICATION. I HEREBY CERTIFY THAT THESE DOCUMENTS

WERE PREPARED OR APPROVED BY ME, AND THAT I AM A DULY LICENSED

PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MARYLAND,

LICENSE NO. 30016, EXPIRATION DATE: APRIL 8, 2014.

86-14894-C001 0

HJS

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AS SHOWN

SCALE: 1"=10'-0"

This Drawing shall not be used for Construction unless Signed and Sealed For Construction

Check Drafting

DateDrawnRevisionNo

Original Size

Title

Project

Client

Check

DesignerDrawn

Scale

Design

Note: * indicates signatures on original issue of drawing or last revision of drawing

CLIENTS PEOPLE PERFORMANCE

Plot Date: Cad File No:10 February 2020 - 10:44 AM G:\86\14894\CADD\Record Drawings\Civil 3D\86.14894 - Mattawoman C3D\C3D Sheets\86-14894-C001.dwg

Suite 330, 16701 Melford Boulevard, Bowie Maryland USA T 1 301 805 5629 F 1 301 805 4665 E bowmail@ghd.com W www.ghd.com

GHD Incorporated (Project Director) Approved

Date

Job Manager

Project Director

Plotted by: Larisa Bereznitsky

0 20'

SCALE 1" = 10' AT ORIGINAL SIZE

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(THESE NOTES APPLY TO ALL DRAWINGS)

1. EXISTING FACILITIES AND PIPING SHOWN LIGHT. NEW FACILITIES AND PIPING SHOWN HEAVY.

2. EXISTING CONDITIONS SHOWN ON THESE CONTRACT DRAWINGS ARE BASED ON A TOPOGRAPHIC SURVEY PERFORMED IN APRIL 2012 BY COLLINSON, OLIFF & ASSOCIATES, INC AND OBTAINED FROM AVAILABLE CONTRACT AND RECORD DRAWINGS AND THEREFORE THEIR LOCATIONS MUST BE CONSIDERED APPROXIMATE ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO VERIFY ALL EXISTING FIELD CONDITIONS PRIOR TO

CONSTRUCTION.

3. WETLANDS BOUNDARIES SHOWN ON THESE CONTRACT DRAWINGS ARE BASED ON INFORMATION PROVIDED BY COLLINSON, OLIFF & ASSOCIATES, INC.

4. CONTRACTOR STAGING AREA IS LIMITED TO THE AREA SHOWN ON THE EROSION AND SEDIMENT PLANS. ANY CHANGES SHALL BE COORDINATED

AND APPROVED BY OWNER/ENGINEER ONLY.

5. SOIL BORINGS PERFORMED IN MARCH 2012 BY O'BERRY ENGINEERING, INC AND USED AS BASIS FOR GEOTECHNICAL ENGINEERING REPORT IS

INCLUDED IN THE CONTRACT DOCUMENTS.

6. CONTRACTOR IS TO FIELD VERIFY AND COORDINATE ALL EXISTING PIPING ELEVATIONS, JOINTS, LOCATIONS, SIZE AND TYPE OF MATERIAL WITH NEW PIPING PRIOR TO CONSTRUCTION. CONTRACTOR SHALL FIELD VERIFY AND COORDINATE ALL EXISTING EQUIPMENT DIMENSIONS AND ELEVATIONS PRIOR TO ORDERING NEW EQUIPMENT AND REPORT DISCREPANCIES TO ENGINEER IMMEDIATELY.

7. CONTRACTOR SHALL NOTE THERE ARE INSTANCES WHERE NEW PIPING IS CONNECTED TO EXISTING UNDERGROUND PIPING. CONTRACTOR IS REQUIRED TO CONFIRM EXISTING PIPE LOCATION, ELEVATION, MATERIAL, AND OUTSIDE DIAMETER.

8. CONTRACTOR SHALL SUPPLY ALL BENDS REQUIRED TO MAINTAIN SMOOTH FLOW LINES, CHANGES IN ELEVATION AND TO MEET ALL TRANSITIONS.

9. ALL PIPES ENTERING OR LEAVING A STRUCTURE OR THRUST BLOCK ON NEW PIPING SHALL HAVE TWO (2) JOINTS WITHIN FOUR (4) FEET FROM THE

WALL OF THE STRUCTURE.

10. CONTRACTOR SHALL PERFORM EXPLORATORY EXCAVATIONS AS NECESSARY TO VERIFY LOCATIONS OF EXISTING UNDERGROUND PIPING AND

UTILITIES PRIOR TO CONSTRUCTING NEW FACILITIES.

11. MOWING STRIPS NOT SHOWN FOR CLARITY. CONTRACTOR SHALL PROVIDE MOWING STRIPS AN ACCORDANCE WITH THE DETAILS AROUND ALL

NEW STRUCTURES AND PIPING. REFER TO MISCELLANEOUS CIVIL DETAILS.

12. CONTRACTOR SHALL REPLACE ALL ASPHALT PAVEMENT AND/OR CONCRETE THAT IS 1) SHOWN AS RESTORED ON THE CONTRACT DRAWINGS, 2)

IMPACTED BY NEW CONSTRUCTION, AND 3) IMPACTED BY CONTRACTOR'S OPERATIONS.

13. FOR PIPE HANGERS AND SUPPORTS, SEE THE SPECIFICATIONS.

14. ALL FENCING DISTURBED BY CONSTRUCTION ACTIVITIES SHALL BE IMMEDIATELY REPLACED OR SUPPLEMENTED BY TEMPORARY FENCING TO MAINTAIN A SECURE SITE THROUGHOUT CONSTRUCTION, UPON COMPLETION OF CONSTRUCTION, FENCING SHALL BE RESTORED TO ORIGINAL OR

BETTER CONDITIONS.

15. WHERE SHEETING IS SHOWN, CONTRACTOR IS REQUIRED TO INSTALL SHEETING TO PROTECT EXISTING FACILITIES, UTILITIES, ETC. WHERE SHEETING IS NOT SHOWN, SHEETING SHALL BE USED AT THE DISCRETION OF THE CONTRACTOR IN ACCORDANCE WITH SPECIFICATION SECTION 02205.

16. CONTRACTOR SHALL FILL WITH TOPSOIL EXISTING AREAS THAT HAVE SETTLED TO LEVEL GRADE AND RESEED AS DIRECTED BY THE OWNER.

17. CONTRACTOR SHALL PROVIDE THE COUNTY ACCESS TO THE EXISTING CRANE SYSTEM AS REQUIRED BY THE COUNTY. WHERE FEASIBLE ACCESS SHALL BE MAINTAINED AT ALL TIMES. IN OTHER CASES ACCESS SHALL BE PROVIDED WITHIN 24 HOURS OF RECEIVING NOTICE FROM THE COUNTY.

18. EXISTING FORCEMAIN HAS LESS THAN 3 FT COVER IN AREAS BELOW THE 14 FT CONTOUR. CONTRACTOR SHALL NOT DRIVE TRUCKS OR OTHER

HEAVY VEHICLES OR EQUIPMENT OVER THE PIPE IN THESE AREAS.

CIP CAST IRON PIPE

DIP DUCTILE IRON PIPE

PCCP PRESTRESSED CONCRETE CYLINDER PIPE

EXISTING PIPE

NEW PIPE

TEMPORARY PIPE

PIPE CENTERLINE

EDGE OF PAVEMENT

UNDERGROUND ELECTRICAL UTILITIES

EXISTING FENCE

EXISTING TREELINE

CONTOUR LINE

NON-TIDAL WETLANDS

25' NON-TIDAL WETLAND BUFFER

FLANGED JOINT

RESTRAINED JOINT

SOIL BORING

E X

# BORING - #

JFM LWM

LIMIT OF 100 YEAR

FLOOD PLAIN

NOT TO SCALE

CHICAMUXEN RD

HAWTHORNE RD

MAY PL

HUNTERS BROOKE ST

SITE ACCESS VIA

MATTAWOMAN WWTP

ENTRY/EXIT

N

CHARLES SCD 2 OF 6

PROFESSIONAL CERTIFICATION. I HEREBY CERTIFY THAT THESE DOCUMENTS

WERE PREPARED OR APPROVED BY ME, AND THAT I AM A DULY LICENSED

86-14894-C002 1

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5/13

AS SHOWN

SCALE: 1"=10'-0"

This Drawing shall not be used for Construction unless Signed and Sealed For Construction

Check Drafting

DateDrawnRevisionNo

Original Size

Title

Project

Client

Check

DesignerDrawn

Scale

Design

Note: * indicates signatures on original issue of drawing or last revision of drawing

CLIENTS PEOPLE PERFORMANCE

Plot Date: Cad File No:10 February 2020 - 10:44 AM G:\86\14894\CADD\Record Drawings\Civil 3D\86.14894 - Mattawoman C3D\C3D Sheets\86-14894-C002.dwg

Suite 330, 16701 Melford Boulevard, Bowie Maryland USA T 1 301 805 5629 F 1 301 805 4665 E bowmail@ghd.com W www.ghd.com

GHD Incorporated (Project Director) Approved

Date

Job Manager

Project Director

Plotted by: Larisa Bereznitsky

0 20'

SCALE 1" = 10' AT ORIGINAL SIZE

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DEMOLISH

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A. THE DEMOLITION PLANS WERE DEVELOPED FROM AVAILABLE RECORD DRAWINGS OBTAINED FROM CHARLES COUNTY AND ARE INTENDED ONLY TO SHOW BASIC SYSTEM CONFIGURATION. IT IS THE CONTRACTORS RESPONSIBILITY TO DETERMINE ACTUAL SITE CONDITIONS. PRIOR TO THE DEMOLITION, THE CONTRACTOR SHALL CONFIRM WITH THE ENGINEER AND OWNER THE EXACT EXTENT OF DEMOLITION.

B. UNLESS SHOWN TO BE DEMOLISHED, ALL EXISTING STRUCTURES AND EQUIPMENT SHALL CONTINUE TO BE OPERATIONAL AND SHALL BE

PROTECTED.

C. DEMOLITION TO BE PERFORMED IN ACCORDANCE WITH CONSTRUCTION CONSTRAINTS OUTLINED IN CONTRACT DOCUMENTS.

D. HATCHED AREAS ARE TO BE DEMOLISHED. SEE LEGEND.

E. ELECTRICAL CONDUITS SHALL BE MOVED AS REQUIRED TO FACILITATE NEW PIPING ARRANGEMENTS.

F. CONTRACTOR SHALL FILL IN VOIDS CREATED BY REMOVING PIPE, BOLTS, REBAR, CONDUIT AND OTHER SIMILAR ITEMS WITH NON-SHRINK GROUT AND MAKE FLUSH WITH SURROUNDING SURFACE. ALL ITEMS REMAINING ARE TO BE CUT AND GROUND FLUSH WITH SURROUNDING SURFACE.

REMAINING EMBEDDED METALS EXPOSED TO CORROSIVE ENVIRONMENTS SHALL BE COATED PER SECTION 09900 AFTER GRINDING FLUSH WITH

SURROUNDING SURFACE.

G. CONDUCT DEMOLITION WORK IN ACCORDANCE WITH THE REQUIREMENTS OF THE SEQUENCING CONSTRAINTS IDENTIFIED IN SECTION 01010.

H. COORDINATE THE DEMOLITION SHOWN ON THIS DRAWING WITH THE SITE PLAN.

I. EXISTING PIPING ELEVATIONS SHOWN ARE APPROXIMATE AND FOR REFERENCE ONLY. CONTRACTOR SHALL CONFIRM IN THE FIELD.

J. DEMOLISH EXISTING FLOWMETER VAULT INCLUDING ALL PIPING, MAGNETIC FLOWMETER, INSERTION METER, SUPPORTS AND ASSOCIATED

EQUIPMENT, MATERIALS AND ACCESSORIES, AFTER BYPASS IS INSTALLED.

K. DEMOLISH EXISTING 30" PIPING AND ASSOCIATED FITTINGS, PIPE SUPPORTS, VALVE BOXES AND ACCESSORIES.

L. DEMOLISH EXISTING 54" PIPING AS REQUIRED FOR NEW PIPING INSTALLATION.

M. REMOVE POWER AND CONTROL WIRING FROM BOTH THE EXISTING FULL BODY MAGMETER AND THE EXISTING INSERT MAGMETER PRIOR TO

PIPING DEMOLITION.

N. TREE CLEARING SHALL BE RESTRICTED TO THE MINIMUM AREA REQUIRED TO COMPLETE THE WORK. TREES OUTSIDE THE LIMIT OF DISTURBANCE

SHALL NOT BE REMOVED.

MAP UNIT NUMBER NAME DESCRIPTION HYD GROUP

UK URBAN LAND - -

1. FOLLOWING INITIAL SOIL DISTURBANCE OR RE-DISTURBANCE, SEEDING FOR PERMANENT OR TEMPORARY STABILIZATION SHALL BE COMPLETED WITHIN THREE (3) CALENDAR DAYS AS TO THE SURFACE OF ALL PERIMETER CONTROLS, DIKES, SWALES, DITCHES, PERIMETER SLOPES, AND ALL SLOPES GREATER THAN 3 HORIZONTAL TO 1 VERTICAL (3:1); AND SEVEN (7) CALENDAR DAYS AS TO ALL OTHER DISTURBED OR GRADED AREAS ON THE PROJECT SITE NOT UNDER ACTIVE GRADING. ONCE VEGETATION IS ESTABLISHED, THE SITE SHALL HAVE 95%

GROUNDCOVER TO BE CONSIDERED ADEQUATELY STABILIZED.

2. PROJECT SITE IS NOT WITHIN THE CRITICAL AREA.

3. PROJECT SITE IS PARTIALLY WITHIN THE 100 YEAR FLOODPLAIN NGVD29 ELEVATION OF APPROXIMATELY 13 FT.

4. PREDOMINANT SOIL TYPE ON SITE IS THE FOLLOWING:

5. EROSION CONTROLS ON THIS PROJECT SHALL BE STRICTLY ENFORCED.

6. MATERIAL TAKEN OFFSITE SHALL GO TO LANDFILL OR TO A SITE WITH AN APPROVED SEDIMENT AND EROSION CONTROL PLAN.

7. THE LIMIT OF CONTRACTOR STAGING/ STORAGE/ STOCKPILE AREA IS SHOWN ON THIS DRAWINGS. ANY ADDITIONAL STAGING/ STORAGE/ STOCKPILE AREA REQUIRED TO COMPLETE THE WORK SHALL BE OFF-SITE AT A SITE WITH AN APPROVED SEDIMENT AND EROSION CONTROL PLAN, AND IS THE CONTRACTOR'S RESPONSIBILITY TO COORDINATE AND IS AT THE CONTRACTOR'S EXPENSE.

8. PROVIDE A SEDIMENT FILTER BAG AND ASSOCIATED PUMP AND HOSE AFTER A RAIN EVENT FOR ANY EXCAVATIONS ON SITE. REFER TO DETAIL

AS SHOWN ON DWG C006.

9. REFER TO SEQUENCE OF CONSTRUCTION ON SHEET C005.

10. REFER TO LEGEND ON SHEET C001.

11. THE LIMIT OF WORK (LOW) SHOWN SHALL ALSO DEFINE THE LIMITS OF DISTURBANCE FOR EROSION AND SEDIMENT CONTROL PURPOSES.

12. REFER TO SHEET C006 FOR STOCKPILE REQUIREMENTS.

13. CONTRACTOR SHALL PROVIDE STABILIZED CONSTRUCTION ENTRANCE AS NEEDED.

LIMIT OF DISTURBANCE

LIMIT OF WORK

SILT FENCE

JFM LWM

CHARLES SCD 3 OF 6

FILTER BAG

FB

PROFESSIONAL CERTIFICATION. I HEREBY CERTIFY THAT THESE DOCUMENTS

WERE PREPARED OR APPROVED BY ME, AND THAT I AM A DULY LICENSED

86-14894-C003 0

HJS

5/13

AS SHOWN

SCALE: 1"=10'-0"

This Drawing shall not be used for Construction unless Signed and Sealed For Construction

Check Drafting

DateDrawnRevisionNo

Original Size

Title

Project

Client

Check

DesignerDrawn

Scale

Design

Note: * indicates signatures on original issue of drawing or last revision of drawing

CLIENTS PEOPLE PERFORMANCE

Plot Date: Cad File No:10 February 2020 - 10:54 AM G:\86\14894\CADD\Record Drawings\Civil 3D\86.14894 - Mattawoman C3D\C3D Sheets\86-14894-C003.dwg

Suite 330, 16701 Melford Boulevard, Bowie Maryland USA T 1 301 805 5629 F 1 301 805 4665 E bowmail@ghd.com W www.ghd.com

GHD Incorporated (Project Director) Approved

Date

Job Manager

Project Director

Plotted by: Larisa Bereznitsky

0 20'

SCALE 1" = 10' AT ORIGINAL SIZE

15105

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1. CONTRACTOR SHALL DESIGN, SUPPLY AND INSTALL TEMPORARY BYPASS PIPING WITH EMERGENCY VALVED CONNECTION.

TEMPORARY PIPING SHALL BE RESTRAINED JOINTED DIP OR HDPE. TEMPORARY PIPING DESIGN SHALL BE COORDINATED WITH LINE STOP CONTRACTOR, AND SHALL COMPLY WITH THE REQUIREMENTS OF THE SPECIFICATIONS.

2. CONTRACTOR SHALL NOT INSTALL TEMPORARY PIPE OR COMMENCE EXCAVATION FOR NEW PIPE AND VALVE INSTALLATION UNTIL ALL COMPONENTS ARE ON SITE AND LINE STOP THRUST BLOCKS HAVE REACHED FULL STRENGTH AS REQUIRED BY

SECTION 03001.

3. LOCATIONS OF EXISTING JOINTS ON THE CIP ARE NOT KNOWN. CONTRACTOR SHALL ADJUST LINE STOP LOCATION IF

REQUIRED TO ENSURE A MINIMUM SPACING OF 5 FEET TO ALL JOINTS.

4. INSTALL PCCP TO DIP ADAPTER AT EXISTING PCCP JOINT. DO NOT FIELD CUT PCCP. DIAPER AND GROUT JOINT TO EXISTING

PCCP.

5. REFER TO LEGEND ON SHEET C001.

6. CONTRACTOR SHALL INSTALL COUNTY ISSUED SIGNAGE NEAR EMERGENCY BYPASS CONNECTION AT LOCATION DIRECTED

BY COUNTY.

A. PERFORM ALL ELECTRICAL WORK IN A WORKMANLIKE MANNER. ALL ELECTRICAL WORK SHALL MEET THE REQUIREMENTS OF

THE NATIONAL ELECTRICAL CODE.

B. ALL MATERIALS USED SHALL BE UL LISTED.

C. PROVIDE MATERIALS AS FOLLOWS:

CONDUIT: RIGID GALVANIZED STEEL TO MATCH EXISTING. MINIMUM 3/4". USE PVC UNDERGROUND.

POWER WIRE: TYPE XH HW-2

INSTRUMENTATION WIRE: TWISTED, SHIELDED PAIR #16 AWG, BELDEN 9316, OR EQUAL.

D. GROUND: ADD A NEW 10 FOOT, COPPER CLAD STEEL GOUND ROD IN OR ADJACENT TO THE METER VAULT. BOND GROUND ROD TO METER GROUNDING USING #2 BARE COPPER CONDUCTORS. BOND SURGE PROTECTIVE DEVICES PER MANUFACTURER'S

INSTRUCTIONS.

E. COORDINATE ALL WORK WITH THE FACILITY OWNER.

F. DEMONSTRATE THE PROPER OPERATION OF INSTALLED ELECTRICAL DEVICES AND INSTRUMENTATION FOR THE OWNER/

ENGINEER.

G. CUT EXISTING ELECTRICAL CONDUIT, PULL BACK CONDUCTORS AND INSTALL NEW CONDUIT FROM HANDHOLE TO NEW METER

VAULT. DEMOLISH EXISTING CONDUIT FROM HANDHOLE TO EXISTING METER VAULT.

H. METER HAS BEEN SIZED TO HANDLE A MAXIMUM FLOW OF 60 MGD ANTICIPATED AFTER FUTURE PUMP STATION UPGRADES. ON THIS PROTECT, THE NEW 36" FLOWMETER SHALL BE CALIBRATED TO MATCH THE EXISTING METER. (FULL SCALE = 0-40 MGD)

I. PROVIDE TEMPORARY FLOW METER TO MEASURE, INDICATE AND TRANSMIT FLOW RATES TO WITHIN ±2.0 - PERCENT OF ACTUAL FLOW. A TEMPORARY CONNECTION SHALL BE MADE INTO THE EXISTING RTU TO TRANSMIT THE FLOW RATE TO THE

CONTROL ROOM.

JFM LWM

CHARLES SCD 3 OF 6

PROFESSIONAL CERTIFICATION. I HEREBY CERTIFY THAT THESE DOCUMENTS

WERE PREPARED OR APPROVED BY ME, AND THAT I AM A DULY LICENSED

PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MARYLAND,

LICENSE NO. 30016, EXPIRATION DATE: APRIL 8, 2014.

28'-10"

8'-11"

12'32'-11"

86-14894-C004 0

HJS

5/13

AS SHOWN This Drawing shall not be used for Construction unless Signed and Sealed For Construction

Check Drafting

DateDrawnRevisionNo

Original Size

Title

Project

Client

Check

DesignerDrawn

Scale

Design

Note: * indicates signatures on original issue of drawing or last revision of drawing

CLIENTS PEOPLE PERFORMANCE

Plot Date: Cad File No:10 February 2020 - 10:45 AM G:\86\14894\CADD\Record Drawings\Civil 3D\86.14894 - Mattawoman C3D\C3D Sheets\86-14894-C004.dwg

Suite 330, 16701 Melford Boulevard, Bowie Maryland USA T 1 301 805 5629 F 1 301 805 4665 E bowmail@ghd.com W www.ghd.com

GHD Incorporated (Project Director) Approved

Date

Job Manager

Project Director

Plotted by: Larisa Bereznitsky

HORZ SCALE: 1"=10'-0"

0 20'

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15105

1. BLIND FLANGE TO BE INSTALLED ON TAPPING SLEEVE FLANGE

AT THE COMPLETION OF WORKS.

2. NOT ALL JOINTS AND COUPLINGS SHOWN. REFER TO SHEET

C003 FOR ADDITIONAL INFORMATION.

VERT SCALE: 1"=2'-6"

JFM LWM

CHARLES SCD 4 OF 6

PROFESSIONAL CERTIFICATION. I HEREBY CERTIFY THAT THESE DOCUMENTS

WERE PREPARED OR APPROVED BY ME, AND THAT I AM A DULY LICENSED

PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MARYLAND,

86-14894-C005 0

HJS

5/13

AS SHOWN This Drawing shall not be used for Construction unless Signed and Sealed For Construction

Check Drafting

DateDrawnRevisionNo

Original Size

Title

Project

Client

Check

DesignerDrawn

Scale

Design

Note: * indicates signatures on original issue of drawing or last revision of drawing

CLIENTS PEOPLE PERFORMANCE

Plot Date: Cad File No:10 February 2020 - 10:45 AM G:\86\14894\CADD\Record Drawings\Civil 3D\86.14894 - Mattawoman C3D\C3D Sheets\86-14894-C005.dwg

Suite 330, 16701 Melford Boulevard, Bowie Maryland USA T 1 301 805 5629 F 1 301 805 4665 E bowmail@ghd.com W www.ghd.com

GHD Incorporated (Project Director) Approved

Date

Job Manager

Project Director

Plotted by: Larisa Bereznitsky

1. ALL MATERIALS AND METHODS OF CONSTRUCTION SHALL CONFORM TO THE DRAWINGS, SPECIFICATIONS, LOCAL

BUILDING CODES, AND THE STANDARD SPECIFICATION AND DETAILS, OF CHARLES COUNTY.

2. THESE DRAWINGS SHOW INFORMATION FROM THE BEST AVAILABLE RECORDS REGARDING PIPES, CONDUITS, TELEPHONE LINES, AND OTHER STRUCTURES AND CONDITIONS, WHICH EXIST ALONG THE LINE OF WORK, BOTH AT AND BELOW THE SURFACE OF THE GROUND. THE CONTRACTOR SHALL SUPPORT AND PROTECT ALL PIPES, CONDUITS, TELEPHONE LINES AND OTHER STRUCTURES, AS REQUIRED. ALL DAMAGE TO EXISTING SERVICES SHALL

BE REPAIRED IMMEDIATELY AT THE CONTRACTORS EXPENSE.

3. ALL DISTURBED AREAS SHALL BE SMOOTHLY GRADED TO PROMOTE POSITIVE DRAINAGE AND ALSO STABILIZED WITH TOPSOIL, SEED AND MULCH. IF SETTLEMENT OCCURS, TOPSOIL, SEEDING AND MULCH SHALL BE REPEATED UNTIL SETTLEMENTS SUBSIDES. (SEE SOIL EROSION AND SEDIMENT CONTROL NOTES, DETAILS AND SPECIFICATIONS.)

4. ALL DRAINAGE STRUCTURES AND TRENCHES SHALL REMAIN FUNCTIONAL DURING CONSTRUCTION.

5. THE CONTRACTOR ASSUMES ALL RESPONSIBILITY FOR ANY DEVIATION FROM THESE PLANS.

6. THE OWNER IS RESPONSIBLE FOR THE ACQUISITION AND DEDICATION OF ALL EASEMENTS, BOTH TEMPORARY AND

PERMANENT.

7. THE FINAL AUTHORITY FOR ALL WETLANDS RELATED ISSUES REST WITH THE UNITED STATES ARMY CORPS OF

ENGINEERS AND/OR THE ENVIRONMENTAL PROTECTION AGENCY.

8. IT SHALL BE DISTINCTLY UNDERSTOOD THAT FAILURE TO MENTION SPECIFICALLY ANY WORK WHICH WOULD NORMALLY BE REQUIRED TO COMPLETE THE PROJECT SHALL NOT RELIEVE THE CONTRACTOR OF HIS

RESPONSIBILITY TO PERFORM SUCH WORK.

9. ALL WORK SHALL COMPLY WITH ALL PROVISIONS OF THE 2011 MARYLAND STANDARDS AND SPECIFICATIONS FOR

SOIL EROSION AND SEDIMENT CONTROL.

10. THE MEASURES REQUIRED IN THE APPROVED SEDIMENT CONTROL PLAN SHALL APPLY BE COMPLETED, AND IN

SERVICE PRIOR TO CONSTRUCTION OF FACILITIES SHOWN ON THESE PLANS.

11. PRIOR TO SEEDING, THE CONTRACTOR SHALL HAVE SOILS TEST TO DETERMINE LIME AND FERTILIZER

REQUIREMENTS.

12. FOR ALL AREAS, CULVERT AND/OR UTILITY TRENCH BACK FILL SHALL BE COMPACTED TO AT LEAST 95% OF THE

MAXIMUM DRY DENSITY DETERMINED BY ASSHTO METHOD T-180.

13. TRENCHES SHALL NOT REMAIN OPEN OVERNIGHT. IF IT IS NECESSARY FOR TRENCHES TO REMAIN OPEN IN AN TRAFFIC AREA, STEEL PLATES CAPABLE OF BEARING TRAFFIC SHALL BE USED TO COMPLETELY COVER THE TRENCH

OPENING.

14. THE CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTENANCE OF TRAFFIC ON ANY EXISTING ROADS.

15. ALL UTILITY DETAILS SHALL COMPLY WITH THE STANDARD DETAILS AS SHOWN ON THESE PLANS UNLESS

OTHERWISE NOTED.

16. TEMPORARY SEDIMENT TRAPS SHALL BE CLEANED OUT AND RESTORED TO THE ORIGINAL DIMENSIONS WHEN SEDIMENT HAS ACCUMULATED TO A POINT ONE HALF THE DEPTH BETWEEN THE OUTLET CREST AND THE BOTTOM OF THE TRAP. SEDIMENT BASINS SHALL BE RESTORED AND CLEANED OUT TO THE ORIGINAL DIMENSIONS WHEN SEDIMENT HAS ACCUMULATED TO ONE HALF THE DEPTH BETWEEN THE DEWATERING ELEVATION AND THE BOTTOM

OF THE BASIN.

17. SEDIMENT REMOVED FROM TRAPS (AND BASINS) SHALL BE PLACED AND STABILIZED IN APPROVED AREAS, BUT NOT WITHIN A FLOODPLAIN, WETLAND OR TREE-SAVE AREA. WHEN PUMPING SEDIMENT LADEN WATER, THE DISCHARGE MUST BE DIRECTED TO A SEDIMENT TRAPPING DEVICE PRIOR TO RELEASE FROM THE SITE. A SUMP

PIT MAY BE USED IF SEDIMENT TRAPS THEMSELVES ARE BEING PUMPED OUT.

18. ANY CLEARING, GRADING CONSTRUCTION OR DEVELOPMENT, OR ALL OF THESE, WILL BE DONE PURSUANT TO THIS PLAN. IT WILL BE THE RESPONSIBILITY OF THE CONTRACTOR OR SUBCONTRACTOR TO NOTIFY THE ENGINEER OF ANY DEVIATIONS FROM THIS PLAN. ANY CHANGE MADE IN THIS PLAN WITHOUT WRITTEN AUTHORIZATION FROM THE ENGINEER WILL PLACE RESPONSIBILITY FOR SAID CHANGE ON THE CONTRACTOR OR THE SUBCONTRACTOR.

EROSION AND SEDIMENT PRACTICES, AND SITE IN GENERAL, MUST BE INSPECTED WEEKLY AND AFTER EACH RAIN FALL EVENT, BY THE CONTRACTOR OR RESPONSIBLE PERSON, AND ANY NEEDED MAINTENANCE PERFORMED

IMMEDIATELY.

19. EROSION AND SEDIMENT PRACTICES, AND SITE IN GENERAL, MUST BE INSPECTED WEEKLY AND AFTER EACH RAIN FALL EVENT, BY THE CONTRACTOR OR RESPONSIBLE PERSON, AND ANY NEEDED MAINTENANCE PERFORMED

IMMEDIATELY.

20. ANY RESPONSIBLE PERSONNEL INVOLVED IN THE CONSTRUCTION OF THIS PROJECT WILL HAVE A CERTIFICATE OF TRAINING AT A DEPARTMENT OF THE ENVIRONMENT APPROVED TRAINING PROGRAM FOR THE CONTROL OF SOIL

EROSION AND SEDIMENT CONTROL BEFORE BEGINNING THE PROJECT.

21. THE DEVELOPER WILL PROVIDE THE DISTRICT ONE COPY OF A RED LINE AS-BUILT DRAWING OF EACH FACILITY

REQUIRING A STATE POND PERMIT.

THE LOCATIONS OF EXISTING UTILITIES AS SHOWN ON THIS PLAN ARE APPROXIMATE ONLY.

THE CONTRACTOR SHALL VERIFY THE LOCATION AND DEPTH OF EXISTING UTILITIES PRIOR

TO BEGINNING CONSTRUCTION. THE QUANTITIES SHOWN ON THIS PLAN ARE FOR

INFORMATIONAL AND PERMITTING PURPOSES ONLY. THE CONTRACTOR SHALL VERIFY ALL

QUANTITIES TO HIS OWN SATISFACTION PRIOR TO BEGINNING CONSTRUCTION.

STANDARD STABILIZATION NOTE: FOLLOWING INITIAL SOIL DISTURBANCE OR REDISTURBANCE, SEEDING FOR PERMANENT OR TEMPORARY STABILIZATION SHALL BE COMPLETED WITHIN THREE (3) CALENDAR DAYS AS TO THE SURFACE OF ALL PERIMETER CONTROLS, DIKES, SWALES, DITCHES, PERIMETER SLOPES, AND ALL SLOPES GREATER THAN 3 HORIZONTAL TO 1 VERTICAL (3:1), AND SEVEN (7) CALENDAR DAYS AS TO ALL OTHER DISTURBED OR GRADED AREAS ON THE PROJECT SITE NOT UNDER ACTIVE GRADING.

ONCE VEGETATION IS ESTABLISHED, THE SITE SHALL HAVE 95% GROUND COVER TO BE CONSIDERED ADEQUATELY STABILIZED.

*EACH EROSION AND SEDIMENT CONTROL PLAN SHOULD BE INDEPENDENT OF ANY OTHER APPROVED PLAN AND SHOULD "STAND ON

ITS OWN" FROM BEGINNING TO END OF CONSTRUCTION.*

*ANY OTHER APPROVED SEDIMENT AND EROSION CONTROL PLANS WITH A SEQUENCE AND/OR PRACTICES WHICH CONFLICT WITH THIS PLAN WILL REQUIRE PLAN REVISIONS FOR ALL AFFECTED PLANS APPROVED BY THE CHARLES SOIL CONSERVATION DISTRICT.*

*EROSION AND SEDIMENT PRACTICES, AND SITE IN GENERAL, MUST BE INSPECTED WEEKLY AND AFTER EACH RAIN EVENT, BY THE CONTRACTOR OR OTHER RESPONSIBLE PERSON, AND ANY NEEDED MAINTENANCE PERFORMED IMMEDIATELY.*

* SITE MUST BE GRADED IN SUCH A MANNER THAT THE APPROVED DRAINAGE DIVIDES ARE MAINTAINED THROUGHOUT SITE

CONSTRUCTION.*

*SAME DAY STABILIZATION IS REQUIRED FOR AREAS WHERE SEDIMENT AND EROSION CONTROLS HAVE BEEN REMOVED*

1. CONTRACTOR/ DEVELOPER SHALL NOTIFY THE CHARLES COUNTY SEDIMENT & CONTROL INSPECTOR AT (301)645-0700 (5 DAYS) PRIOR TO COMMENCING WORK. SCHEDULE PRE-CONSTRUCTION MEETING. REVIEW AND BECOME FAMILIAR WITH ALL

PERMITS.

2. THE APPROVAL OF THE SEDIMENT CONTROL INSPECTOR IS REQUIRED UPON INSTALLATION OF PERIMETER EROSION AND

SEDIMENT CONTROLS BEFORE PROCEEDING WITH ANY OTHER EARTH DISTURBANCE OR GRADING.

3. INSTALL SEDIMENT AND EROSION CONTROL MEASURES AS OUTLINED ON THE CONTRACT DRAWINGS. (SILT FENCE AND OTHER

EROSION CONTROL MEASURES NECESSARY ). (5 DAYS)

4. CLEAR AND GRUB VEGETATION FROM THE AREA TO BE DISTURBED, AT STOCKPILE AREAS AND WHERE NECESSARY FOR PLACEMENT OF ADDITIONAL SEDIMENT AND EROSION CONTROL MEASURES AS NECESSARY WITHIN CONSTRUCTION LIMITS (1

DAY)

5. STOCKPILE EXISTING TOPSOIL (1 DAY) IN STAGING AND STORAGE AREA SHOWN.

6. CONSTRUCT NEW PIPING.

7. REPAIR AND REPLACE DAMAGED PAVEMENT SURFACES. ROUGH GRADE SITE TO FINAL GRADES MINUS TOPSOIL LAYER.

8. PLACE AND GRADE TOPSOIL, AS NEEDED. PERMANENTLY STABILIZE ALL AREAS WITH SEED. VEGETATIVE ESTABLISHMENT SHALL BE PERFORMED IN ACCORDANCE WITH THE 2011 MARYLAND STANDARDS AND SPECIFICATIONS FOR SOIL EROSION AND

SEDIMENT CONTROL.

9. CLEAR ALL EXCESS DEBRIS FROM SITE.

10. SEDIMENT AND EROSION CONTROLS CANNOT BE REMOVED UNTIL THE SITE HAS ADEQUATE STABILIZATION. ONCE VEGETATION IS ESTABLISHED, THE SITE SHALL HAVE 95% GROUNDCOVER TO BE CONSIDERED ADEQUATELY STABILIZED THE SEDIMENT

CONTROL INSPECTOR HAS APPROVED SUCH REMOVAL.

11. ONCE SITE IS FULLY STABILIZED, WITH THE APPROVAL OF THE SEDIMENT CONTROL INSPECTOR, REMOVE TEMPORARY

SEDIMENT CONTROL DEVICES.

NOTE: THE SEQUENCE OF CONSTRUCTION AS LISTED ABOVE IS FOR THE USE BY THE CONTRACTOR AS A GENERAL GUIDELINE FOR SEQUENCING THE CONSTRUCTION. DURATIONS SHOWN ARE ESTIMATES (TBD BY CONTRACTOR IN CPM SCHEDULE).TOTAL AREA OF SITE (LIMIT OF WORK): 0.43 ACRES = 18,679 SF

TOTAL DISTURBED AREA: 0.11 ACRES = 4,972 SF

TOTAL CUT: 0 CUBIC YARDS

TOTAL FILL: 0 CUBIC YARDS

VOLUME OF SPOIL BORROW MATERIAL: 470 CUBIC YARDS

OFF-SITE BORROW/WASTE AREA LOCATION: TBD

VOLUME OF EXCAVATION: 880 CUBIC YARDS

EXCESS/WASTE MATERIAL SHALL BE TAKEN TO AN APPROVED, PERMITTED, OFFSITE

LOCATION AT THE EXPENSE OF THE CONTRACTOR. CONTRACTOR IS RESPONSIBLE FOR

ANY PERMITS REQUIRED FOR OFFSITE WASTE/BORRON AREAS.

STANDARD STABILIZATION NOTE:

FOLLOWING INITIAL SOIL DISTURBANCE OR RE-DISTURBANCE, SEEDING FOR PERMANENT OR TEMPORARY STABILIZATION SHALL BE COMPLETED WITHIN THREE (3) CALENDAR DAYS AS TO THE SURFACE OF ALL PERIMETER CONTROLS, DIKES, SWALES, DITCHES, PERIMETER SLOPES, AND ALL SLOPES GREATER THAN 3 HORIZONTAL TO 1 VERTICAL (3:1); AND SEVEN (7) CALENDAR DAYS AS TO ALL OTHER DISTURBED OR GRADED AREAS ON THE PROJECT SITE NOT UNDER ACTIVE GRADING. ONCE VEGETATION IS ESTABLISHED, THE SITE SHALL HAVE 95% GROUNDCOVER TO BE CONSIDERED ADEQUATELY STABILIZED.

1. PERMANENT SEEDING:

A. SOIL TESTS: LIME AND FERTILIZER WILL BE APPLIED PER SOIL TESTS RESULTS FOR SITES GREATER THAN 5 ACRES. SOIL TESTS WILL BE DONE AT COMPLETION OF INITIAL ROUGH GRADING OR AS RECOMMENDED BY THE SEDIMENT CONTROL INSPECTOR. RATES AND ANALYSES WILL BE PROVIDED TO

THE GRADING INSPECTOR AS WELL AS THE CONTRACTOR.

THE MINIMUM SOIL CONDITIONS REQUIRED FOR PERMANENT VEGETATIVE ESTABLISHMENT ARE:

A. SOIL PH SHALL BE BETWEEN 6.0 AND 7.0.

B. SOLUBLE SALTS SHALL BE LESS THAN 500 PARTS PER MILLION (PPM).

C. THE SOIL SHALL CONTAIN LESS THAN 40% CLAY BUT ENOUGH FINE GRAINED MATERIAL (> 30% SILT PLUS CLAY) TO PROVIDE THE CAPACITY TO HOLD

A MODERATE AMOUNT OF MOISTURE. AN EXCEPTION IS IF LOVEGRASS OR SERECIA LESPEDEZA IS TO BE PLANTED, THEN A SANDY SOIL (< 30% SILT

PLUS CLAY) WOULD BE ACCEPTABLE.

D. SOIL SHALL CONTAIN 1.5% MINIMUM ORGANIC MATTER BY WEIGHT.

E. SOIL MUST CONTAIN SUFFICIENT PORE SPACE TO PERMIT ADEQUATE ROOT PENETRATION.

F. IF THESE CONDITIONS CANNOT BE MET BY SOILS ON SITE, ADDING TOPSOIL IS REQUIRED IN ACCORDANCE WITH SECTION B-4-2 TITLED STANDARDS

AND SPECIFICATIONS FOR SOIL PREPARATION, TOPSOIL, AND SOIL AMENDMENTS AS FOUND IN THE 2011 MARYLAND STANDARDS AND

SPECIFICATIONS FOR EROSION AND SEDIMENT CONTROL.

B. SEEDBED PREPARATION: AREA TO BE SEEDED SHALL BE LOOSE AND FRIABLE TO A DEPTH OF AT LEAST 3 TO 5 INCHES. THE TOP LAYER SHALL BE LOOSENED BY RAKING, DISKING OR OTHER ACCEPTABLE MEANS BEFORE SEEDING OCCURS. FOR SITES LESS THAN 5 ACRES, APPLY 100 POUNDS DOLOMITIC LIMESTONE, HYDRATED OR BURNT LIME MAY BE SUBSTITUTED EXCEPT WHEN HYDRO SEEDING, AND 10 POUNDS OF 10-20-20 FERTILIZER PER 1,000 SQUARE FEET. HARROW OR DISK LIME AND FERTILIZER INTO THE SOIL TO A DEPTH OF AT LEAST 3 TO 5 INCHES ON SLOPES FLATTER THAN 3:1.

C. SEEDING: APPLY 5-6 POUNDS PER 1,000 SQUARE FEET OF TALL FESCUE BETWEEN FEBRUARY 15 AND APRIL 30 OR BETWEEN AUGUST 15 AND OCTOBER 31.

APPLY SEED UNIFORMLY ON A MOIST FIRM SEEDBED WITH A CYCLONE SEEDER, CULTIPACKER SEEDER OR HYDROSEEDER (SLURRY INCLUDES SEEDS AND FERTILIZER, RECOMMENDED ON STEEP SLOPES ONLY). MAXIMUM SEED DEPTH SHOULD BE ¼ INCH IN CLAYEY SOILS AND ½ INCH IN SANDY SOILS WHEN USING OTHER THAN THE HYDROSEEDER METHOD. IRRIGATE WHERE NECESSARY TO SUPPORT ADEQUATE GROWTH UNTIL VEGETATION IS FIRMLY ESTABLISHED. IF OTHER SEED MIXES ARE TO BE USED, SAID SELECTIONS MUST MEET THE 2011 STANDARDS AND SPECIFICATIONS FOR SOIL EROSION AND

SEDIMENT CONTROL.

D. MULCHING: MULCH SHALL BE APPLIED TO ALL SEEDED AREAS IMMEDIATELY AFTER SEEDING AS PER SECTION B-4-3 ENTITLED STANDARDS AND SPECIFICATIONS FOR SEEDING AND MULCHING AS FOUND IN THE 2011 STANDARDS AND SPECIFICATIONS FOR SOIL EROSION AND SEDIMENT CONTROL. DURING THE TIME PERIODS WHEN SEEDING IS NOT PERMITTED, MULCH SHALL BE APPLIED IMMEDIATELY AFTER GRADING AND

MAINTAINED UNTIL SEEDING CAN BE PERFORMED.

MULCH SHALL BE UNROTTED, UNCHOPPED, SMALL GRAIN STRAW APPLIED AT A RATE OF 2 TONS PER ACRE OR 90 POUNDS PER 1,000 SQUARE FEET (2 BALES). IF A MULCH-ANCHORING TOOL IS USED, APPLY 2.5 TONS PER ACRE. MULCH MATERIALS SHALL BE RELATIVELY FREE OF ALL KINDS OF WEEDS AND SHALL BE COMPLETELY FREE OF PROHIBITED NOXIOUS WEEDS. SPREAD MULCH UNIFORMLY, MECHANICALLY OR BY HAND, TO A DEPTH OF 1-2 INCHES.

E. SECURING STRAW MULCH: STRAW MULCH SHALL BE SECURED IMMEDIATELY FOLLOWING MULCH APPLICATION TO MINIMIZE MOVEMENT BY WIND OR WATER.

THE FOLLOWING METHODS ARE PERMITTED:

(I) USE A MULCH-ANCHORING TOOL WHICH IS DESIGNED TO PUNCH AND ANCHOR MULCH INTO THE SOIL SURFACE TO A MINIMUM DEPTH OF 2 INCHES. THIS IS THE MOST EFFECTIVE METHOD FOR SECURING MULCH, HOWEVER, IT IS LIMITED TO RELATIVELY FLAT AREAS WHERE EQUIPMENT CAN OPERATE

SAFELY. IF A MULCH-ANCHORING TOOL IS USED, APPLY 2.5 TONS PER ACRE.

(II) WOOD CELLULOSE FIBER MAY BE USED FOR ANCHORING STRAW. APPLY THE FIBER BINDER AT A NET DRY WEIGHT OF 750 POUNDS PER ACRE. IF MIXED

WITH WATER, USE 50 POUNDS OF WOOD CELLULOSE FIBER PER 100 GALLONS OF WATER.

(III) LIQUID BINDERS MAY BE USED. APPLY AT HIGHER RATES AT THE EDGES WHERE WIND CATCHES MULCH, SUCH AS IN VALLEYS AND ON CRESTS OF SLOPES. THE REMAINDER OF THE AREA SHOULD APPEAR UNIFORM AFTER BINDER APPLICATION. BINDERS LISTED IN THE 2011 STANDARDS AND SPECIFICATIONS FOR SOIL EROSION AND SEDIMENT CONTROL OR APPROVED EQUAL SHALL BE APPLIED AT RATES RECOMMENDED BY THE

MANUFACTURERS.

(IV) LIGHTWEIGHT PLASTIC NETTING MAY BE USED TO SECURE MULCH. THE NETTING WILL BE STAPLED TO THE GROUND ACCORDING TO MANUFACTURER'S

RECOMMENDATIONS.

F. IRRIGATION: IN THE ABSENCE OF ADEQUATE RAINFALL, IRRIGATION SHOULD BE PERFORMED TO ENSURE ADEQUATE VEGETATIVE ESTABLISHMENT.

2. TEMPORARY SEEDING:

LIME: 100 POUNDS OF DOLOMITIC LIMESTONE PER 1,000 SQUARE FEET.

FERTILIZER: 10 POUNDS OF 10-20-20 PER 1,000 SQUARE FEET.

SEED: ANNUAL RYEGRASS - 1 POUND PER 1,000 SQUARE FEET (FEBRUARY 15 THROUGH APRIL 30 OR AUGUST 15 THROUGH NOVEMBER 30).

MILLET - 1 POUND PER 1,000 SQUARE FEET (MAY 1 THROUGH AUGUST 15).

MULCH: SAME AS 1 D AND E ABOVE.

3. NO FILLS MAY BE PLACED ON FROZEN GROUND. ALL FILL TO BE PLACED IN APPROXIMATELY HORIZONTAL LAYERS, EACH LAYER HAVING A LOOSE THICKNESS OF NOT MORE THAN 8 INCHES. ALL FILL IN ROADWAYS AND PARKING AREAS ARE TO BE CLASSIFIED AS PER CHARLES COUNTY REQUIREMENTS. ANY FILL WITHIN THE BUILDING AREA IS TO BE COMPACTED TO A MINIMUM OF 95% DENSITY. FILLS FOR POND EMBANKMENTS SHALL BE COMPACTED AS PER MD-378 CONSTRUCTION SPECIFICATIONS. ALL OTHER FILLS SHALL BE COMPACTED SUFFICIENTLY SO AS TO BE STABLE AND PREVENT EROSION AND SLIPPAGE.

4. PERMANENT SOD:

INSTALLATION OF SOD SHOULD FOLLOW PERMANENT SEEDING DATES. SEEDBED PREPARATION FOR SOD SHALL BE AS NOTED IN SECTION (B) ABOVE.

PERMANENT SOD IS TO BE TALL FESCUE, STATE APPROVED SOD; LIME AND FERTILIZER PER PERMANENT SEEDING SPECIFICATIONS AND LIGHTLY IRRIGATE SOIL PRIOR TO LAYING SOD. SOD IS TO BE LAID ON THE CONTOUR WITH ALL ENDS TIGHTLY ABUTTING. JOINTS ARE TO BE STAGGERED BETWEEN ROWS. WATER AND ROLL OR TAMP SOD TO INSURE POSITIVE ROOT CONTACT WITH THE SOIL. ALL SLOPES STEEPER THAN 3:1, AS SHOWN, ARE TO BE PERMANENTLY SODDED OR PROTECTED WITH AN APPROVED EROSION CONTROL NETTING. ADDITIONAL WATERING FOR ESTABLISHMENT MAY BE REQUIRED. SOD IS NOT TO BE INSTALLED ON FROZEN GROUND. SOD SHALL NOT BE TRANSPLANTED WHEN MOISTURE CONTENT (DRY OR WET) AND/OR EXTREME TEMPERATURE MAY ADVERSELY AFFECT ITS SURVIVAL. IN THE ABSENCE OF ADEQUATE RAINFALL, IRRIGATION SHOULD BE PERFORMED TO ENSURE ESTABLISHMENT OF SOD.

5. MINING OPERATIONS:

SEDIMENT CONTROL PLANS FOR MINING OPERATIONS MUST INCLUDE THE FOLLOWING SEEDING DATES AND MIXTURES:

FOR SEEDING DATES OF FEBRUARY 1 THROUGH APRIL 30 AND AUGUST 15 THROUGH OCTOBER 31, USE SEED MIXTURE OF TALL FESCUE AT THE RATE OF 2 POUNDS PER 1,000 SQUARE FEET AND SERICEA LESPEDEZA AT THE MINIMUM RATE OF 0.5 POUNDS PER 1,000 SQUARE FEET.

6. TOPSOIL SHALL BE APPLIED AS PER THE STANDARD AND SPECIFICATIONS FOR TOPSOIL FROM THE CURRENT 2011 MARYLAND STANDARDS AND

SPECIFICATIONS FOR SOIL EROSION AND SEDIMENT CONTROL.

NOTE: USE OF THIS INFORMATION DOES NOT PRECLUDE MEETING ALL OF THE REQUIREMENTS OF THE 2011 MARYLAND STANDARDS AND SPECIFICATIONS FOR

SOIL EROSION AND SEDIMENT CONTROL.

1. TOPSOIL SHALL BE A LOAM, SANDY LOAM, CLAY LOAM, SILT LOAM, SANDY CLAY LOAM, LOAMY SAND. OTHER SOILS MAY BE USED IF RECOMMENDED BY AN AGRONOMIST OR SOIL SCIENTIST AND APPROVED BY THE APPROPRIATE APPROVAL AUTHORITY. REGARDLESS, TOPSOIL SHALL NOT BE A MIXTURE OF CONTRASTING TEXTURED SUBSOILS AND SHALL CONTAIN LESS THAN 5% BY VOLUME OF CINDERS, STONES, SLAG, COARSE FRAGMENTS, GRAVEL, STICKS, ROOTS, TRASH, OR OTHER

MATERIALS LARGER THAN 1 1/2" IN DIAMETER.

2. TOPSOIL MUST BE FREE OF PLANTS OR PLANT PARTS SUCH AS BERMUDA GRASS, QUACK GRASS, JOHNSON GRASS, NUTSEDGE, POISON IVY, THISTLE, OR OTHERS AS SPECIFIED.

3. WHERE THE SUBSOIL IS EITHER HIGHLY ACIDIC OR COMPOSED OF HEAVY CLAYS, GROUND LIMESTONE SHALL BE SPREAD AT THE RATE OF 4-8 TONS/ACRE (200-400 POUNDS PER 1,000 SQUARE FEET) PRIOR TO THE PLACEMENT OF TOPSOIL. LIME SHALL BE DISTRIBUTED UNIFORMLY OVER DESIGNATED AREA AND WORKED INTO THE SOIL IN CONJUNCTION WITH TILLAGE

OPERATIONS.

1. WHEN TOPSOILING, MAINTAIN NEEDED EROSION AND SEDIMENT CONTROL PRACTICES SUCH AS DIVERSION, GRADE STABILIZATION STRUCTURES, EARTH DIKES, SLOPE SILT FENCE AND SEDIMENT TRAPS AND BASINS.

2. GRADES ON THE AREAS TO BE TOPSOILED, WHICH HAVE BEEN PREVIOUSLY ESTABLISHED, SHALL BE MAINTAINED, ALBEIT 4" -

8" HIGHER IN ELEVATION.

3. TOPSOIL SHALL BE UNIFORMLY DISTRIBUTED IN A 4" - 8" LAYER AND LIGHTLY COMPACTED TO A MINIMUM THICKNESS OF 4".

SPREADING SHALL BE PERFORMED IN SUCH A MANNER THAT SODDING OR SEEDING CAN PROCEED WITH A MINIMUM OF ADDITIONAL SOIL PREPARATION AND TILLAGE. ANY IRREGULARITIES IN THE SURFACE RESULTING FROM TOPSOILING OR OTHER OPERATIONS SHALL BE CORRECTED IN ORDER TO PREVENT THE FORMATION OF DEPRESSION OR WATER POCKETS.

4. TOPSOIL SHALL NOT BE PLACED WHILE THE TOPSOIL OR SUBSOIL IS IN A FROZEN OR MUDDY CONDITION, WHEN THE SUBSOIL IS EXCESSIVELY WET OR IN A CONDITION THAT MAY OTHERWISE BE DETRIMENTAL TO PROPER GRADING AND SEEDBED

PREPARATION.

BMP DEVICE QUANTITY

SILT FENCE LF 408

JFM LWM

CHARLES SCD 5 OF 6

PROFESSIONAL CERTIFICATION. I HEREBY CERTIFY THAT THESE DOCUMENTS

WERE PREPARED OR APPROVED BY ME, AND THAT I AM A DULY LICENSED

86-14894-C006 1

HJS

5/13

AS SHOWN This Drawing shall not be used for Construction unless Signed and Sealed For Construction

Check Drafting

DateDrawnRevisionNo

Original Size

Title

Project

Client

Check

DesignerDrawn

Scale

Design

Note: * indicates signatures on original issue of drawing or last revision of drawing

CLIENTS PEOPLE PERFORMANCE

Plot Date: Cad File No:10 February 2020 - 10:45 AM G:\86\14894\CADD\Record Drawings\Civil 3D\86.14894 - Mattawoman C3D\C3D Sheets\86-14894-C006.dwg

Suite 330, 16701 Melford Boulevard, Bowie Maryland USA T 1 301 805 5629 F 1 301 805 4665 E bowmail@ghd.com W www.ghd.com

GHD Incorporated (Project Director) Approved

Date

Job Manager

Project Director

Plotted by: Larisa Bereznitsky

UNDISTURBED

GROUND

8 IN MIN. DEPTH

INTO GROUND

FENCE POST DRIVEN

A MIN. OF 16 IN INTO

THE GROUND

6 FT MAX.

CENTER TO CENTER 36 IN MIN. FENCE POST LENGTH

DRIVEN MIN. 16 IN INTO GROUND

36 IN MIN. FENCE

POST LENGTH

SF

FENCE POST 18 IN MIN.

ABOVE GROUND

16 IN MIN. HEIGHT OF

WOVEN SLIT FILM GEOTEXTILE

WOVEN SLIT FILM

GEOTEXTILE

EMBED GEOTEXTILE

MIN. OF 8 IN VERTICALLY INTO THE

GROUND. BACKFILL AND COMPACT THE

SOIL ON BOTH SIDES OF GEOTEXTILE.

1. USE WOOD POSTS 1 3

4 X 13

4 ± 116 INCH (MINIMUM) SQUARE CUT OF SOUND QUALITY HARDWOOD. AS AN ALTERNATIVE TO WOODEN POST USE STANDARD "T" OR "U" SECTION STEEL POSTS WEIGHING NOT LESS THAN 1 POUND PER LINEAR FOOT.

2. USE 36 INCH MINIMUM POSTS DRIVEN 16 INCH MINIMUM INTO GROUND NO MORE THAN 6 FEET APART.

3. USE WOVEN SLIT FILM GEOTEXTILE AS SPECIFIED IN SECTION H-1 MATERIALS AND FASTEN GEOTEXTILE SECURELY TO UPSLOPE SIDE OF

FENCE POSTS WITH WIRE TIES OR STAPLES AT TOP AND MID-SECTION.

4. PROVIDE MANUFACTURER CERTIFICATION TO THE AUTHORIZED REPRESENTATIVE OF THE INSPECTION/ENFORCEMENT AUTHORITY SHOWING THAT THE GEOTEXTILE USED MEETS THE REQUIREMENTS IN SECTION H-1 MATERIALS.

5. EMBED GEOTEXTILE A MINIMUM OF 8 INCHES VERTICALLY INTO THE GROUND. BACKFILL AND COMPACT THE SOIL ON BOTH SIDES OF FABRIC.

6. WHERE TWO SECTIONS OF GEOTEXTILE ADJOIN: OVERLAP, TWIST, AND STAPLE TO POST IN ACCORDANCE WITH THIS DETAIL.

7. EXTEND BOTH ENDS OF THE SILT FENCE A MINIMUM OF FIVE HORIZONTAL FEET UPSLOPE AT 45 DEGREES TO THE MAIN FENCE ALIGNMENT TO PREVENT RUNOFF FROM GOING AROUND THE ENDS OF THE SILT FENCE.

8. REMOVE ACCUMULATED SEDIMENT AND DEBRIS WHEN BULGES DEVELOP IN SILT FENCE OR WHEN SEDIMENT REACHES 25% OF FENCE

HEIGHT. REPLACE GEOTEXTILE IF TORN. IF UNDERMINING OCCURS, REINSTALL FENCE.

STANDARD SYMBOL

SF

STANDARD SYMBOL

FINAL

CONFIGURATION

FLOW

SLOPE

5% MAX.

8 IN MIN.

MULCH, LEAF/WOOD COMPOST,

WOODCHIPS, SAND, OR STRAW BALES

1. TIGHTLY SEAL SLEEVE AROUND THE PUMP DISCHARGE HOSE WITH A STRAP OR SIMILAR DEVICE.

2. PLACE FILTER BAG ON SUITABLE BASE (E.G., MULCH, LEAF/WOOD COMPOST, WOODCHIPS, SAND, OR STRAW BALES) LOCATED ON A LEVEL OR 5% MAXIMUM SLOPING SURFACE. DISCHARGE TO A STABILIZED AREA. EXTEND BASE A MINIMUM OF 12 INCHES FROM EDGES OF BAG.

3. CONTROL PUMPING RATE TO PREVENT EXCESSIVE PRESSURE WITHIN THE FILTER BAG IN ACCORDANCE WITH THE MANUFACTURER

RECOMMENDATIONS. AS THE BAG FILLS WITH SEDIMENT, REDUCE PUMPING RATE.

4. REMOVE AND PROPERLY DISPOSE OF FILTER BAG UPON COMPLETION OF PUMPING OPERATIONS OR AFTER BAG HAS REACHED CAPACITY, WHICHEVER OCCURS FIRST. SPREAD THE DEWATERED SEDIMENT FROM THE BAG IN AN APPROVED UPLAND AREA AND STABILIZE WITH SEED AND MULCH BY THE END OF THE WORK DAY. RESTORE THE SURFACE AREA BENEATH THE BAG TO ORIGINAL CONDITION UPON REMOVAL OF

THE DEVICE.

5. USE NONWOVEN GEOTEXTILE WITH DOUBLE STITCHED SEAMS USING HIGH STRENGTH THREAD. SIZE SLEEVE TO ACCOMMODATE A MAXIMUM 4 INCH DIAMETER PUMP DISCHARGE HOSE. THE BAG MUST BE MANUFACTURED FROM A NONWOVEN GEOTEXTILE THAT MEETS OR

EXCEEDS MINIMUM AVERAGE ROLL VALUES (MARV) FOR THE FOLLOWING:

GRAB TENSILE 250 LB ASTM D-4632

PUNCTURE 150 LB ASTM D-4833

FLOW RATE 70 GAL/MIN/FT² ASTM D-4491

PERMITTIVITY (SEC-1) 1.2 SEC-1 ASTM D-4491

UV RESISTANCE 70% STRENGTH @ 500 HOURS ASTM D-4355

APPARENT OPENING SIZE (AOS) 0.15-0.18 MM ASTM D-4751

SEAM STRENGTH 90% ASTM D-4632

6. REPLACE FILTER BAG IF BAG CLOGS OR HAS RIPS, TEARS, OR PUNCTURES. DURING OPERATION KEEP CONNECTION BETWEEN PUMP HOSE

AND FILTER BAG WATER TIGHT. REPLACE BEDDING IF IT BECOMES DISPLACED.

STANDARD SYMBOL

PUMP DISCHARGE HOSE

FLOW

12 IN MIN.

SIDE SLOPE

(VARIES)

CAP OR PLATE WITH WATERTIGHT

CONNECTION

SP

12 IN MIN. DIAMETER

PERFORATED CORRUGATED METAL,

HDPE, OR PVC PIPE

6 IN BASE OF STONE

BELOW STANDPIPE

SET TOP OF PIPE

MIN. OF 12 IN

ABOVEANTICIPATED

HIGHWATER LEVEL

MIN. 3 x PIPE

DIAMETER

CLEAN 3

4 TO 11

2 IN STONE

STANDPIPE WRAPPED

IN 14 IN GALVANIZED

HARDWARE CLOTH, THEN

NONWOVEN GEOTEXTILE

1. USE 12 INCH OR LARGER DIAMETER CORRUGATED METAL, HDPE, OR PVC PIPE WITH 1 INCH DIAMETER PERFORATIONS, 6 INCHES ON

CENTER. BOTTOM OF PIPE MUST BE CAPPED WITH WATERTIGHT SEAL.

2. WRAP PIPE WITH 1

4 INCH GALVANIZED HARDWARE CLOTH AND WRAP NONWOVEN GEOTEXTILE, AS SPECIFIED IN SECTION H-1 MATERIALS, OVER THE HARDWARE CLOTH.

3. EXCAVATE PIT TO THREE TIMES THE PIPE DIAMETER AND FOUR FEET IN DEPTH. PLACE 3

4 TO 11

2 INCH STONE OR EQUIVALENT RECYCLED

CONCRETE, 6 INCHES IN DEPTH PRIOR TO PIPE PLACEMENT.

4. SET TOP OF PIPE MINIMUM 12 INCHES ABOVE ANTICIPATED WATER SURFACE ELEVATION.

5. BACKFILL PIT AROUND THE PIPE WITH 3

4 TO 11

2 INCH CLEAN STONE OR EQUIVALENT RECYCLED CONCRETE AND EXTEND STONE A MINIMUM

OF 6 INCHES ABOVE ANTICIPATED WATER SURFACE ELEVATION.

6. DISCHARGE TO A STABLE AREA AT A NONEROSIVE RATE .

7. A SUMP PIT REQUIRES FREQUENT MAINTENANCE. IF SYSTEM CLOGS, REMOVE PERFORATED PIPE AND REPLACE GEOTEXTILE AND STONE.

KEEP POINT OF DISCHARGE FREE OF EROSION.

STANDARD SYMBOL

SILT FENCE

1. AREA CHOSEN FOR STOCKPILING OPERATIONS SHALL BE DRY AND STABLE.

2. MAXIMUM SLOPE OF STOCKPILE SHALL BE 1:2. MAXIMUM HEIGHT SHALL BE 9 FEET.

3. UPON COMPLETION OF SOIL STOCKPILING, EACH PILE SHALL BE SURROUNDED WITH

REINFORCED SILT FENCING, THEN STABILIZED WITH VEGETATION OR COVERED.

MIN. SLOPE

FINISHED GRADE

SLOPE OR LESS1

MIN. SLOPE

STABILIZE ENTIRE PILE WITH

VEGETATION OR COVER

NOT TO SCALE

JFM LWM

CHARLES SCD 6 OF 6

PROFESSIONAL CERTIFICATION. I HEREBY CERTIFY THAT THESE DOCUMENTS

WERE PREPARED OR APPROVED BY ME, AND THAT I AM A DULY LICENSED

PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MARYLAND,

LICENSE NO. 30016, EXPIRATION DATE: APRIL 8, 2014.

4 F T

MI

N.

SUCTION LINE TO PUMP

6 IN MIN.

SUPPORT

FRAME

2 IN x 4 IN

STAPLE

POST

LATHE

NAILS

FLOW

12 IN MAX.BETWEENNAILS

2 FT

IN

A

A2 IN x 4 IN ACROSS

TOP OF STONE

WOVEN SLIT FILM

GEOTEXTILE

1. USE NOMINAL 2 INCH X 4 INCH LUMBER.

2. USE WOVEN SLIT FILM GEOTEXTILE, AS SPECIFIED IN SECTION H-1 MATERIALS.

3. PROVIDE MANUFACTURER CERTIFICATION TO THE AUTHORIZED REPRESENTATIVE OF THE INSPECTION/ENFORCEMENT AUTHORITY SHOWING THAT THE GEOTEXTILE USED MEETS THE REQUIREMENTS IN SECTION H-1 MATERIALS.

4. SPACE UPRIGHT SUPPORTS NO MORE THAN 10 FEET APART.

5. PROVIDE A TWO FOOT OPENING BETWEEN EVERY SET OF SUPPORTS AND PLACE STONE IN THE OPENING OVER GEOTEXTILE.

6. KEEP SILT FENCE TAUT AND SECURELY STAPLE TO THE UPSLOPE SIDE OF UPRIGHT SUPPORTS. EXTEND GEOTEXTILE UNDER 2x4.

7. WHERE TWO SECTIONS OF GEOTEXTILE ADJOIN: OVERLAP, FOLD, AND STAPLE TO POST IN ACCORDANCE WITH THIS DETAIL. ATTACH LATHE.

8. PROVIDE A MASTIC SEAL BETWEEN PAVEMENT, GEOTEXTILE, AND 2x4 TO PREVENT SEDIMENT-LADEN WATER FROM ESCAPING BENEATH SILT

FENCE INSTALLATION.

9. SECURE BOARDS TO PAVEMENT WITH 40D 5 INCH MINIMUM LENGTH NAILS.

10. REMOVE ACCUMULATED SEDIMENT AND DEBRIS WHEN BULGES DEVELOP IN SILT FENCE OR WHEN SEDIMENT REACHES 25% OF FENCE HEIGHT. REPLACE GEOTEXTILE IF TORN. MAINTAIN WATER TIGHT SEAL ALONG BOTTOM. REPLACE STONE IF DISPLACED.

4 TO 11

2INCH STONE

MASTIC SEAL

STANDARD SYMBOL

MASTIC SEAL16 IN

MIN.

WOVEN SLIT FILM

GEOTEXTILE SILT

FENCE

LATHE

FILTER BAG

STRAP

STRAP

FILTER BAG

STEP 2STEP 1

POSTS

STAPLESTAPLE

STAPLE STAPLE

STAPLE STAPLE

STAPLESTAPLE

STEP 3

FLOW

PROFILE

EXISTING PAVEMENT

EARTH FILL

PIPE (SEE NOTE 6)

PLAN VIEW

1. PLACE STABILIZED CONSTRUCTION ENTRANCE IN ACCORDANCE WITH THE APPROVED PLAN. VEHICLES MUST TRAVEL OVER THE ENTIRE LENGTH OF THE SCE. USE MINIMUM LENGTH OF 50 FEET (*30 FEET FOR SINGLE RESIDENCE LOT). USE MINIMUM WIDTH OF 10 FEET. FLARE

SCE 10 FEET MINIMUM AT THE EXISTING ROAD TO PROVIDE A TURNING RADIUS.

2. PIPE ALL SURFACE WATER FLOWING TO OR DIVERTED TOWARD THE SCE UNDER THE ENTRANCE, MAINTAINING POSITIVE DRAINAGE.

PROTECT PIPE INSTALLED THROUGH THE SCE WITH A MOUNTABLE BERM WITH 5:1 SLOPES AND A MINIMUM OF 12 INCHES OF STONE OVER THE PIPE. PROVIDE PIPE AS SPECIFIED ON APPROVED PLAN. WHEN THE SCE IS LOCATED AT A HIGH SPOT AND HAS NO DRAINAGE TO CONVEY, A PIPE IS NOT NECESSARY. A MOUNTABLE BERM IS REQUIRED WHEN SCE IS NOT LOCATED AT A HIGH SPOT.

3. PREPARE SUBGRADE AND PLACE NONWOVEN GEOTEXTILE, AS SPECIFIED IN SECTION H-1 MATERIALS.

4. PLACE CRUSHED AGGREGATE (2 TO 3 INCHES IN SIZE) OR EQUIVALENT RECYCLED CONCRETE (WITHOUT REBAR) AT LEAST 6 INCHES DEEP

OVER THE LENGTH AND WIDTH OF THE SCE.

5. MAINTAIN ENTRANCE IN A CONDITION THAT MINIMIZES TRACKING OF SEDIMENT. ADD STONE OR MAKE OTHER REPAIRS AS CONDITIONS DEMAND TO MAINTAIN CLEAN SURFACE, MOUNTABLE BERM, AND SPECIFIED DIMENSIONS. IMMEDIATELY REMOVE STONE AND/OR SEDIMENT SPILLED, DROPPED, OR TRACKED ONTO ADJACENT ROADWAY BY VACUUMING, SCRAPING, AND/OR SWEEPING. WASHING ROADWAY TO REMOVE MUD TRACKED ONTO PAVEMENT IS NOT ACCEPTABLE UNLESS WASH WATER IS DIRECTED TO AN APPROVED

SEDIMENT CONTROL PRACTICE.

STANDARD SYMBOL

8 FT

MIN.

86-14894-C007 0

HJS

5/13

AS SHOWN This Drawing shall not be used for Construction unless Signed and Sealed For Construction

Check Drafting

DateDrawnRevisionNo

Original Size

Title

Project

Client

Check

DesignerDrawn

Scale

Design

Note: * indicates signatures on original issue of drawing or last revision of drawing

CLIENTS PEOPLE PERFORMANCE

Plot Date: Cad File No:10 February 2020 - 10:46 AM G:\86\14894\CADD\Record Drawings\Civil 3D\86.14894 - Mattawoman C3D\C3D Sheets\86-14894-C007.dwg

Suite 330, 16701 Melford Boulevard, Bowie Maryland USA T 1 301 805 5629 F 1 301 805 4665 E bowmail@ghd.com W www.ghd.com

GHD Incorporated (Project Director) Approved

Date

Job Manager

Project Director

Plotted by: Larisa Bereznitsky

NOT TO SCALE

1. PROVIDE EXTENDED OPERATOR STEM WITH 2" NUT TO 6" BELOW COVER.

EXISTING PIPE

RESTRAINED MECHANICAL

JOINT VALVE

VALVE BOX WITH COVER

CONCRETE PAD 2' SQ.x6" DEEP

12" SQUARE CONCRETE BLOCK

BOTTOM OF CONCRETE BLOCK

SHALL BE ON UNDISTURBED SOIL

PROVIDE NEW SPOOL PIECE AS

REQUIRED FOR INSTALLATION OF

NEW VALVE

EMBED STAMPED BRASS PLATE

WITH VALVE NAME IN CONCRETE

EXISTING GRADE

NOT TO SCALE

6" DIAMETER

GALVANIZED PIPE

SCHEDULE 40

PAVED SURFACE

18" Ø, MIX 4 OR 6 CONCRETE

1. BOLLARD SHALL BE COVERED WITH "SAFETY YELLOW BUMPER POST SLEEVE"

BY INTERSTATE PRODUCTS, INC OR EQUAL. SLEEVE SHALL BE SOLID HDPE

CONSTRUCTION WITH UV INHIBITORS. REFER SPECIFICATION SECTION 05500.

3''-0"

3''-0"

6"

BUMPER

POST SLEEVE

CRUSHED AGGREGATE BASE

MIX 4 CONCRETE

3"

FINISHED

GRADE

NOT TO SCALE-

NOT TO SCALE-

1. PAVEMENT PATCH MATERIALS AND COURSE THICKNESS SHALL BE EQUAL TO EXISTING PAVING SECTION OR AS APPROVED.

THE MINIMUM PAVING PATCH SHALL CONSIST OF 4" BITUMINOUS CONCRETE SURFACE MATERIAL PLACED IN TWO COURSES.

THE TOP COURSE SHALL BE 1 1/2" OF BITUMINOUS CONCRETE SURFACE COURSE AND THE BOTTOM COURSE SHALL BE 2 1/2" BITUMINOUS CONCRETE BINDER COURSE. STONE BASE MATERIAL SHALL NOT EXCEED 4" THICKNESS PER COURSE.

2. TACK SURFACE OF BASE COURSE AT 0.30 TO0 .50 GAL/SY AND PLACE TACK COAT 403.03.01 ALONG VERTICAL FACE OF EXISTING PAVING PRIOR TO PLACING NEW MATERIAL TO INSURE CONTINUOUS BOND. UPON COMPLETION OF PAVING PATCH, EXCESS LIQUID ASPHALT SHALL BE BRUSHED INTO THE JOINT BETWEEN OLD AND NEW PAVING SURFACES TO PREVENT

EXCESS LIQUID ASPHALT FROM BEING TRACKED BY TRAFFIC.

1'-6" MIN TO 1'-6" MINACTUAL TRENCH WIDTH

GRANULAR BACKFILL CUTBACKUNDISTURBED

CRUSHED

AGGREGATE BASE

ASPHALT

SEALER (TYP)

1'-0" MIN

VERTICAL

CUT FACE

EXISTING

PAVING

SUBGRADE

EXISTING PAVING

DEPTH VARIES

METAL STRIP EDGE SHALL BE 3/16" THK

X4" HT GALV STEEL IN 16' TO 20'

LENGTHS FASTEN IN PLACE W/16" LONG

TAPERED STEEL @30" OC DRIVEN

THROUGH PRE-PUNCHED SLOTS SET

METAL EDGE APPROX 1/4" ABOVE

FINISHED GRADE AND BARK MULCH.

TWO LAYERS OF 6 MIL BLACK

POLYETHELENE FILM TURN UP @ EDGE.

GRAVEL

1'-6"

1/4

4"

NOT TO SCALE-

6" CAMLOCK CONNECTION

WITH CAP

36" BLIND FLANGE

WITH 6" TAP

3"

36" DIP WITH 90° BEND

USING RESTRAINED JOINTS

3-#6 U BARS EW EACH 7'-6"

SIDE OF PIPE, TOP

4" TANGENTIAL OUTLET

36" FIBERGLASS MANHOLE

FRAME AND COVER

36" PRECAST CONCRETE

MANHOLE RISER

CONCRETE BASE

GRANULAR BEDDING

(NO. 67 STONE)

36" GATE VALVE

CONCRETE VALVE SUPPORT

CAST ON UNDISTURBED SOIL

FENCE SHALL MATCH EXISTING

TOP OF SLAB

24 MESH TYPE 304 SS

INSECT SCREEN BOLTED

BETWEEN FLANGES

TYPE 304 SS SCHEDULE 105

GOOSENECK VENT SIZE AS

INDICATED ON PLANS

CENTURY LINE WALL SLEEVE FOR

LINK SEAL GASKET FOR 8" SS PE PIPE

FORMED CIRCULAR PIPE

PENETRATION COORDINATE SIZE

WITH MODULAR MECHANICAL SEAL

MODULAR MECHANICAL SEAL

INTERIOR OR

ACCESSIBLE WALL

PRECAST WALL

CONCRETE

NOT TO SCALE-

NOT TO SCALE-

MOWING STRIP (REFER

DETAIL THIS SHEET)

8'x8'x8' CONCRETE SUPPORT

CAST ON UNDISTURBED SOIL

WALL

THICKNESS

NOT TO SCALE

JFM LWM

2'- 0"

#6 AS SHOWN, ALL FACES

PROFESSIONAL CERTIFICATION. I HEREBY CERTIFY THAT THESE DOCUMENTS

WERE PREPARED OR APPROVED BY ME, AND THAT I AM A DULY LICENSED

PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MARYLAND,

This Drawing shall not be used for Construction unless Signed and Sealed For Construction

Check Drafting

DateDrawnRevisionNo

Original Size

Title

Project

Client

Check

DesignerDrawn

Scale

Design

Note: * indicates signatures on original issue of drawing or last revision of drawing

Plot Date: Cad File No:10 February 2020 - 10:46 AM G:\86\14894\CADD\Record Drawings\Civil 3D\86.14894 - Mattawoman C3D\C3D Sheets\86-14894-S001 Forming.dwg

16701 Melford Boulevard, Suite 330, Bowie MD 20715 USA T 1 240 206 6810 F 1 240 206 6811 E bowmail@ghd.com W www.ghd.com

GHD Inc. (Project Director) Approved

Date

Job Manager

Project Director

Plotted by: Larisa Bereznitsky

86-14894-S001 0

LAW SMC

DMH DMH

HJS

5/13

AS SHOWN

SCALE: 1/4" = 1'-0"

9'-0"' @ BASE OF EXCAVATION

'-0

NT

S)

B

AS

E

OF

E

XC

AV

AT

IO

N

'-0

NT

S)

'-0

NT

S)

C

C

A

A

SCALE: 3/8" = 1'-0"

SIM

SIM

54"Ø x 36"Ø REDUCER

36"Ø DIP

1. RECESS IN TOP OF CONCRETE THRUST BLOCK FOR LINE STOP FLANGE BOLT ACCESS.

COORDINATE DEPTH WITH MANUFACTURER.

2. EXCAVATION SUPPORT SYSTEM SHALL BE DESIGNED, INSTALLED REMOVED AND/OR LEFT

IN-PLACE PER REQUIREMENTS OF SECTION 02161. EXCAVATION SUPPORT SYSTEM

SHALL BE SYSTEMATICALLY REMOVABLE TO CAST CONCRETE TIGHT TO UNDISTURBED

EARTH OR SHALL BE ALL STEEL CONSTRUCTION AND LEFT-IN-PLACE.

3. MINIMUM REINFORCEMENT COVER ALL SIDES SHALL BE 3"

4. FOR LOCATIONS OF CONCRETE THRUST BLOCKS SEE CIVIL DRAWINGS.

5.

INSTALL EXCAVATION SUPPORT SYSTEM.

EXCAVATE TO INSTALL THRUST BLOCK AND LINE STOPS.

INSTALL LINE STOP FLANGES AND CONCRETE THRUST BLOCKS.

NO FURTHER EXCAVATION AT PIPE OR AT REDUCER THRUST BLOCKS IS ALLOWED

UNTIL CONCRETE AT LINE STOP THRUST BLOCK HAS ATTAINED 4,000 PSI COMPRESSIVE

STRENGTH BASED UPON FIELD CURED TEST CYLINDERS (REFER SPEC SECTION 03001).

NOTE THAT 28 DAY COMPRESSIVE STRENGTH IS SPECIFIED AT 5,000 PSI.

0 2'-0"

SCALE 3/8"=1'-0" AT ORIGINAL SIZE

4'-0" 6'-0"SECTIONB

- 3/8" = 1'-0"SCALE :

9'-0"'

#5@18" EW, T&B

6- #7 H, EF

(BELOW PIPE)

2- #7 H, EF

(ABOVE PIPE)

FINISH GRADE

PIPE; SEE PLANS 12

'-0

8"

LI

NE

S

TO

P

'-0

FINISH GRADE

SECTIONA

- 3/8" = 1'-0"SCALE :

24'-0" (NTS)

RECESS; SEE NOTE 1.

LINE STOP PIPE FLANGE

BEND REMAINDER OF DIAGONAL BAR

AND LAP WITH TOP REINFORCEMENT

(TYP; NOT SHOWN FOR CLARITY)

1'-0

(TYP)

2- #7 DIAG EA FACE (TYP)

CONCRETE THRUST BLOCK

SECTIONC

- 3/8" = 1'-0"SCALE :

9'-0"'

#5@18" EW, T&B

8- #7 H, EF

(BELOW…