B08_Attch_2__Drawings_-_Old_Rag.pdf

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

CHK

CAD

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

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DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

DES

XX

PMIS/PKG NO.

325621

VIRGINIA

XX

G0

COVER SHEET

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AutoCAD SHX Text SUB SHEET SHEET TITLE OF SHEET SHEET TITLE OF SHEET TITLE OF SHEET 1 G0 COVER SHEET G0 COVER SHEET COVER SHEET 2 G1 BUILDING CODE SUMMARY AND FLOOR PLAN G1 BUILDING CODE SUMMARY AND FLOOR PLAN BUILDING CODE SUMMARY AND FLOOR PLAN 3 C1 CIVIL COVER SHEET C1 CIVIL COVER SHEET CIVIL COVER SHEET 4 C2 NOTES LEGEND ABBREVIATIONS C2 NOTES LEGEND ABBREVIATIONS NOTES LEGEND ABBREVIATIONS 5 C3 EXISTING CONDITIONS C3 EXISTING CONDITIONS EXISTING CONDITIONS 6 C4 DEMOLITION PLAN C4 DEMOLITION PLAN DEMOLITION PLAN 7 C5.1 SITE & UTILITY PLAN C5.1 SITE & UTILITY PLAN SITE & UTILITY PLAN 8 C5.2 SITE & UTILITY PLAN C5.2 SITE & UTILITY PLAN SITE & UTILITY PLAN 9 C6.1 GRADING PLAN C6.1 GRADING PLAN GRADING PLAN 10 C6.2 GRADING PLAN C6.2 GRADING PLAN GRADING PLAN 11 C7.1 SITE DETAILS C7.1 SITE DETAILS SITE DETAILS 12 C7.2 SITE DETAILS C7.2 SITE DETAILS SITE DETAILS 12 C8 EROSION & SEDIMENT CONTROL PLAN PHASE 1 C8 EROSION & SEDIMENT CONTROL PLAN PHASE 1 EROSION & SEDIMENT CONTROL PLAN PHASE 1 13 C9 EROSION & SEDIMENT CONTROL PLAN PHASE 2 C9 EROSION & SEDIMENT CONTROL PLAN PHASE 2 EROSION & SEDIMENT CONTROL PLAN PHASE 2 14 C10 EROSION & SEDIMENT NARRATIVE C10 EROSION & SEDIMENT NARRATIVE EROSION & SEDIMENT NARRATIVE 15 C11 EROSION & SEDIMENT CONTROL NOTES & DETAILS C11 EROSION & SEDIMENT CONTROL NOTES & DETAILS EROSION & SEDIMENT CONTROL NOTES & DETAILS 16 C12 EROSION & SEDIMENT CONTROL NOTES & DETAILS C12 EROSION & SEDIMENT CONTROL NOTES & DETAILS EROSION & SEDIMENT CONTROL NOTES & DETAILS 17 C13 PRE-DEVELOPMENT DRAINAGE DIVIDES C13 PRE-DEVELOPMENT DRAINAGE DIVIDES PRE-DEVELOPMENT DRAINAGE DIVIDES 18 C14 POST-DEVELOPMENT DRAINAGE DIVIDES C14 POST-DEVELOPMENT DRAINAGE DIVIDES POST-DEVELOPMENT DRAINAGE DIVIDES 19 C15 STORMWATER MANAGEMENT PLAN C15 STORMWATER MANAGEMENT PLAN STORMWATER MANAGEMENT PLAN 20 A1 GENERAL NOTES, SYMBOLS AND ABBREVIATIONS A1 GENERAL NOTES, SYMBOLS AND ABBREVIATIONS GENERAL NOTES, SYMBOLS AND ABBREVIATIONS 21 A2 FLOOR PLANS A2 FLOOR PLANS FLOOR PLANS 22 A3 ELEVATIONS A3 ELEVATIONS ELEVATIONS 23 A4 SECTIONS, PARTITION TYPES AND TRANSITION DETAILS A4 SECTIONS, PARTITION TYPES AND TRANSITION DETAILS SECTIONS, PARTITION TYPES AND TRANSITION DETAILS 24 A5 WALL SECTIONS & DETAILS A5 WALL SECTIONS & DETAILS WALL SECTIONS & DETAILS 25 A6 DOOR AND WINDOW SCHEDULES, TYPES AND DETAILS A6 DOOR AND WINDOW SCHEDULES, TYPES AND DETAILS DOOR AND WINDOW SCHEDULES, TYPES AND DETAILS 26 A7 CONCEPT VIEWS A7 CONCEPT VIEWS CONCEPT VIEWS 27 A8 PREMANUFACTURED TOILET VAULT A8 PREMANUFACTURED TOILET VAULT PREMANUFACTURED TOILET VAULT 28 S1 STRUCTURAL NOTES S1 STRUCTURAL NOTES STRUCTURAL NOTES 29 S2 STRUCTURAL NOTES S2 STRUCTURAL NOTES STRUCTURAL NOTES 30 S3 FOUNDATION AND SLAB ON GRADE PLANS S3 FOUNDATION AND SLAB ON GRADE PLANS FOUNDATION AND SLAB ON GRADE PLANS 31 S4 ROOF FRAMING PLAN S4 ROOF FRAMING PLAN ROOF FRAMING PLAN 32 S5 SECTIONS AND DETAILS S5 SECTIONS AND DETAILS SECTIONS AND DETAILS 33 M1 SYMBOLS & ABBREVIATIONS M1 SYMBOLS & ABBREVIATIONS SYMBOLS & ABBREVIATIONS 34 M2 FLOOR PLAN M2 FLOOR PLAN FLOOR PLAN 35 E1 SYMBOLS & ABBREVIATIONS E1 SYMBOLS & ABBREVIATIONS SYMBOLS & ABBREVIATIONS 36 E2 SITE PLAN - EXISTING E2 SITE PLAN - EXISTING SITE PLAN - EXISTING 37 E3 FLOOR PLANS E3 FLOOR PLANS FLOOR PLANS

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PROJECT LOCATION

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SHENANDOAH NATIONAL PARK

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U.S. DEPARTMENT OF THE INTERIOR

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OLD RAG PARKING AREA CONTACT STATION

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ETLAN, VIRGINIA

N

8'0 4' 1/4"=1'-0"

LEVEL 1 - FLOOR PLAN1

FEE COLLECTION

PSAR ROOM

OFFICE

STORAGE

B

150 SF/P

S

500 SF/P

1 0.2

2 0.2

FE

FE

FI

LE

N

AM

E:

OU

R

RE

F:

PL

OT

D

AT

E:

9/2

2/2

3 4 :04

:27 P

M

XX

X.

XX

4.0

G

I1.

DW

G

Project Number

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NUMBER

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NACE 899_170251

XX

PMIS/PKG NO.

325621

22063.00

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

09/22/2023 XX

AP

AR

GI1

AP

BUILDING CODE SUMMARY AND FLOOR

PLAN

1. NATIONAL PARKS SERVICE (NPS)

2015 STRUCTURAL FIRE REFERENCE MANUAL 59 (RM 58)

2. INTERNATIONAL CODE COUNCIL (ICC)

2021 INTERNATIONAL BUILDING CODE (IBC)

3. NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

2023 NFPA 70 NATIONAL ELECTRICAL CODE

2021 NFPA 101 LIFE SAFETY CODE

APPLICABLE CODES

EGRESS CAPACITY

THE FACILITY EGRESS CAPACITY FACTORS ARE:

- 0.2 INCHES/PERSON FOR LEVEL COMPONENTS.

- 0.3 INCHES/PERSON FOR STAIR COMPONENTS.

OCCUPANT LOAD

FIRE PROTECTION SYSTEMS

REQUIRED - NPS RM-58 REQUIRES FIRE PROTECTION SYSTEMS AS REQUIRED BY THE NEW OCCUPANCY

CHAPTER OF NFPA 101. NFPA 101 CHAPTER 38 DOES NOT REQUIRE A SPRINKLER SYSTEM.

PER NFPA 101 SECTION 38.3.4, A FIRE ALARM SYSTEM IS NOT REQUIRED FOR ONE STORY

BUILDINGS WITH LESS THAN 300 OCCUPANTS. PER NFPA 101 SECTION 38.3.5, FIRE

EXTINGUISHERS WILL BE PROVIDED IN BUSINESS OCCUPANCIES.

REQUIRED - THE BUILDING WILL NOT HAVE A FIRE ALARM OR SPRINKLER SYSTEM. THE BUILDING WILL

HAVE PORTABLE FIRE EXTINGUISHERS.

OCCUPANCY

CLASSIFICATION OCCUPANCY USE GROUP

OCCUPANT LOAD

FACTOR COMMENTS

COMPONENT REQUIRED FIRE RESISTANCE

PRIMARY STRUCTURAL FRAME 0 HOUR

BEARING WALLS 0 HOUR

NONBEARING WALLS AND BY OTHER CRITERIA

FLOOR CONSTRUCTION AND SECONDARY MEMBERS 0 HOUR

ROOF CONSTRUCTION AND SECONDARY MEMBERS 0 HOUR

INTERIOR FINISH

OCCUPANCY

MAX ALLOWABLE TRAVEL

DISTANCE

MAX ALLOWABLE COMMON

PATH OF TRAVEL

MAX ALLOWABLE DEAD

END

STRUCTURAL FIRE RESISTANCE RATING MEANS OF EGRESS

REQUIRED INTERIOR FINISH - NFPA 101 CHAPTER 10

WALLS AND CEILINGS

1. BUSINESS - CLASS C MINIMUM

FLOORS

1. BUSINESS - CLASS II

EXTERIOR WALL FIRE RESISTANCE RATING

REQUIRED - PER IBC TABLE 705.5, EXTERIOR WALLS FOR VB CONSTRUCTION GROUP B OCCUPANCIES ARE NOT REQUIRED TO HAVE A FIRE RESISTANCE RATING WHEN FIRE SEPARATION DISTANCE IS GREATER THAN 10

FEET.

PROVIDED - ALL EXTERIOR WALLS WILL HAVE A FIRE SEPARATION DISTANCE GREATER THAN 10 FEET. EXTERIOR WALLS

WILL NOT HAVE A FIRE RESISTANCE RATING.

STORAGE 200 FEET 50 FEET 50 FEET

BUSINESS 200 FEET 75 FEET 25 FEET

BUSINESS LESS CONCENTRATED 150 SF/PERSON

GROSS

REQUIRED OCCUPANCY SEPARATION - 0 HOUR

PROVIDED OCCUPANCY SEPARATION - 0 HOUR

PER IBC TABLE 601, REQUIRED AND PROVIDED FIRE RESISTANCE TABLE.

REQUIRED - EGRESS CAPACITY MUST BE ABLE TO SUPPORT OCCUPANT LOAD.

PROVIDED - EGRESS CAPACITY IS ADEQUATE TO SUPPORT OCCUPANT LOAD.

SEE LIFE SAFETY PLANS FOR EGRESS CAPACITY PER EXIT.

REQUIRED ARRANGEMENT OF EGRESS

REQUIRED - TRAVEL DISTANCES MUST BE LESS THAN MOST STRICT REQUIREMENT.

PROVIDED - TRAVEL DISTANCES ARE LESS THAN MOST STRICT REQUIREMENT.

REQUIRED: EXIT REMOTENESS SHALL AT MINIMUM BE ONE THIRD OF THE LENGTH OF BUILDING DIAGONAL.

PROVIDED: EXITS ARE LOCATED MORE THAN 1/2 OF THE BUILDING'S DIAGONAL APART.

REQUIRED # OF EXITS PER FLOOR - 2

PROVIDED # OF EXITS PER FLOOR - 2

PROVIDED INTERIOR FINISH

WALLS AND CEILINGS - CLASS C

FLOORS - CLASS II

AREA

OCCUPANT

LOAD

285 SF 2

PROVIDED FIRE RESISTANCE

0 HOUR

0 HOUR

BY OTHER CRITERIA

0 HOUR

0 HOUR

FIRST FLOOR

EXTERIOR

INTERIOR 0 HOUR 0 HOURPARTITIONS

TOTAL

EXTERIOR

INTERIOR 0 HOUR 0 HOUR

STORAGE IN NON STORAGE 500 SF/PERSON 21 SF 1

2021 NFPA 1 FIRE CODE

2022 NFPA 10 STANDARD FOR PORTABLE FIRE EXTINGUISHERS

306 SF 3

CONSTRUCTION TYPE

REQUIRED - PER IBC SECTION 601, ALL BUILDINGS MUST BE ASSIGNED A TYPE OF CONSTRUCTION.

PROVIDED - THE FACILITY WILL BE A CONSTRUCTION TYPE VB IN ACCORDANCE WITH IBC CHAPTER 6.

OCCUPANCY USE

REQUIRED - DEFINE HOW BUILDING OCCUPANCY INTERACT WITH ONE ANOTHER.

PROVIDED - THE FACILITY WILL BE TREATED AS A PRIMARY BUSINESS AND ACCESSORY STORAGE.

OCCUPANCY CLASSIFICATIONS

IN ACCORDANCE WITH IBC CHAPTER 3 AND NFPA 101 CHAPTER 6.

BUILDING AREA

STORIES AND HEIGHT

THE ALLOWABLE AREA PER FLOOR IS BASED ON IBC SECTION 506.

ALLOWABLE AREA PER FLOOR - 9,000 SQUARE FEET

FIRST FLOOR AREA - 306 SQUARE FEET

THE ALLOWABLE BUILDING STORIES AND HEIGHT ARE BASED ON IBC CHAPTER 504.

ALLOWABLE BUILDING STORIES AND HEIGHT ABOVE GRADE - 2 STORIES | 40 FEET

ACTUAL BUILDING STORIES AND HEIGHT ABOVE GRADE - 1 STORY | 14 FEET

OCCUPANCY MULTIPLE FLOOR UNSPRINKLERED, ALLOWABLE AREA

BUSINESS 9,000

1. BUSINESS / B

LIFE SAFETY LEGEND

A

OCCUPANCY USE

OCCUPANT LOAD

FACTOR (OLF)

SQUARE FEET/

PERSON15 SF/P

EGRESS WIDTH

CAPACITY FACTOR

MAXIMUM NUMBER

OF OCCUPANTS

EGRESS WIDTH

CAN SUPPORT

NUMBER OF OCCUPANTS

USING EXIT DOOR

200 0.2

PORTABLE FIRE

EXTINGUISHERFE

STORAGE USE - IN NON-STORAGE

500 SF/PERSON

BUSINESS USE - LESS CONCENTRATED

150 SF/PERSON

USE AND OCCUPANT LOAD FACTORS

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering Dulles, VA

SHENANDOAH NATIONAL PARK - OLD RAG PARKING LOT

MADISON COUNTY, VIRGINIA

Site Data:

PARCEL AREA: 25.298 ACRES

ADDRESS: 2723 NETHERS ROAD

MAP: 8 LOT 5

INSTRUMENT NUMBER: 090001565

DATE RECORDED: SEPTEMBER 16, 2009

SITE AREA: 3.45 ACRES (13.6%)

OPEN SPACE: 21.85 ACRES (86.4%)

NEAREST INTERSECTION: 0.7 MILES EAST ON ROUTE 600 (ROUTE 600 & ROUTE 707)

DISTURBED AREA: 0.35 ACRES

NON-DISTURBED WORK AREA: 0.85 ACRES

Developer:

NATIONAL PARK SERVICE

SHENANDOAH NATIONAL PARK

MR. RICH SWEETING

3655 US 211

LURAY, VA 22835

TEL: 540-999-3500 (EXT. 3459)

EMAIL: RICHARD_SWEETING@NPS.GOV

Property Owner:

POTOMAC APPALACHIAN TRAIL CLUB

34899 APPALACHIAN TRAIL ROAD

ROUND HILL, VA 20141

TEL: 703-242-0315

MADISON COUNTY AGENT SIGNATURE DATE

Sheet List Table

Sheet Number Sheet Title

C1 COVER SHEET

C2 NOTES LEGEND ABBREVIATIONS

C3 EXISTING CONDITIONS

C4 DEMOLITION PLAN

C5.1 SITE & UTILITY PLAN

C5.2 SITE & UTILITY PLAN

C6.1 GRADING PLAN

C6.2 GRADING PLAN

C7.1 SITE DETAILS

C7.2 SITE DETAILS

C8 EROSION & SEDIMENT CONTROL PLAN PHASE 1

C9 EROSION & SEDIMENT CONTROL PLAN PHASE 2

C10 EROSION & SEDIMENT NARRATIVE

C11 EROSION & SEDIMENT CONTROL NOTES & DETAILS

C12 EROSION & SEDIMENT CONTROL NOTES & DETAILS

C13 PRE-DEVELOPMENT DRAINAGE DIVIDES

C14 POST-DEVELOPMENT DRAINAGE DIVIDES

C15 STORMWATER MANAGEMENT PLAN

ABBREVIATIONS:

AST

BC

C C900

CATV

CL

CO

CONC.

COTR

C&G

DC

DEQ

E

ECF

ESP

EX.

F

FDC

FF

FL

FR

HC

HWB

INV

LOD

LOW

MEP

MHD

MHS

N/A

NAD

NAVD

NW

OHE

PC

PT

POV

PIV

SD

SS

STM, STRM

S/W

TC

TW

TYP.

UC

UGE

USACE

USG

UXO

VA

VMF

W

WL & W/L

WV

AND

FEET/FOOT

INCH/INCHES

PERCENT

ABOVE-GROUND STORAGE TANK

BOTTOM OF CURB

COMMUNICATION

AWWA PVC C900 WATER LINE

CABLE TELEVISION

CENTERLINE

CLEANOUT

CONCRETE

CONTRACTING OFFICER'S TECHNICAL

REPRESENTATIVE

CURB AND GUTTER

DISTRIBUTION CENTER

DEPARTMENT OF ENVIRONMENTAL

QUALITY

ELECTRIC

ENTRY CONTROL FACILITY

EARLY SITE PACKAGE

EXISTING

FIRE WATER

FIRE DEPARTMENT CONNECTION

FINISHED FLOOR

FLOW LINE

FROM

HANDICAP

HAZARDOUS WASTE BUILDING

INVERT

LIMITS OF DISTURBANCE

LIMITS OF WORK

MECHANICAL ELECTRICAL PLUMBING

MANHOLE DRAINAGE

MANHOLE SANITARY

NOT APPLICABLE

NORTH AMERICAN DATUM

NORTH AMERICAN VERTICAL DATUM

NORTHWEST

OVERHEAD ELECTRIC

POINT OF CURVATURE

POINT OF TANGENCY

PRIVATELY OWNED VEHICLES

POST INDICATOR VALVE

STORM DRAIN

SANITARY SEWER

STORM

SIDEWALK

TOP OF CURB

TOP OF WALL

TYPICAL

UNDERGROUND COMMUNICATION

UNDERGROUND ELECTRIC

USACE UNITED STATES ARMY CORPS

OF ENGINEERS

UNITED STATES GOVERNMENT

UNEXPLODED ORDINANCE

VIRGINIA

VEHICLE MAINTENANCE FACILITY

DOMESTIC WATER

WATER LINE

WATER VALVE

GENERAL CIVIL NOTES:

1. FURTHER FIELD-RUN TOPOGRAPHIC SURVEY MAY BE NECESSARY AND SHALL

BE OBTAINED AS NECESSARY BY THE CONTRACTOR. CONTRACTOR IS

RESPONSIBLE FOR VERIFYING TOPOGRAPHIC/PLANIMETRIC EXISTING

CONDITIONS DOCUMENTED.

2. WHERE NEW WORK MEETS EXISTING, CONTRACTOR SHALL NOTE FIELD

LOCATION AND ELEVATIONS OF EXISTING FEATURES BEFORE BEGINNING

CONSTRUCTION AND REPORT ANY DISCREPANCY TO THE CONTRACTING

OFFICER'S TECHNICAL REPRESENTATIVE (COTR).

3. CONTRACTOR SHALL REVIEW EXCAVATION PLANS AND PROCEDURES WITH

COTR PRIOR TO INITIATING WORK.

4. CONTRACTOR SHALL VERIFY LOCATION OF EXISTING UTILITIES BEFORE

PROCEEDING WITH WORK. CONTRACTOR SHALL USE A PRIVATE UTILITY

MARKING COMPANY. HAND DIG TEST PITS AT ALL UTILITY CROSSINGS AND

DETERMINE EXACT CLEARANCE OF ALL PROPOSED INSTALLATIONS WELL IN

ADVANCE OF CONSTRUCTION. NOTIFY COTR OF ANY CONFLICTS WITH PLAN

ELEVATIONS.

10. TEST PITS ARE REQUIRED AT ALL LOCATION(S) WHERE PROPOSED UTILITIES

CROSS EXISTING UTILITIES. INVESTIGATION(S) TO IDENTIFY HORIZONTAL

LOCATION, ELEVATION AND SIZE OF EXISTING UTILITIES. THE COTR IS TO BE

NOTIFIED OF THIS INFORMATION.

11. CONTRACTOR SHALL HAND-DIG TEST PITS AT ALL UTILITY CROSSINGS TO

DETERMINE THE EXACT LOCATION AND DEPTH OF ALL UTILITIES AND PRIOR TO

ORDERING PIPE MATERIALS AND STRUCTURES. UTILITIES FOUND DURING

DEMOLITION OR CONSTRUCTION ACTIVITIES SHALL BE THE RESPONSIBILITY OF

ANY CONTRACTOR ENGAGED IN EXCAVATION AT THIS SITE. THE COTR SHALL BE

NOTIFIED IMMEDIATELY OF ANY UTILITY FINDINGS WHICH DEVIATE FROM THE

CONDITIONS SHOWN.

12. DIMENSIONS SHOWN HEREIN ARE TO FACE OF WALL, FACE OF CURB, EDGE OF

WALK AND PAVEMENT (IF NO CURB IS PRESENT), FACE OF BUILDING, OR

CENTERLINE OF PIPE AND UTILITY STRUCTURE. UNLESS OTHERWISE NOTED.

13. THE EXISTING CONDITIONS DO NOT PURPORT TO BE EXHAUSTIVE OF ALL

UTILITIES OR BELOW GRADE FEATURES. COORDINATION TO THE DISPOSITION

OF OMITTED OR ADDITIONAL UTILITIES FOUND DURING CONSTRUCTION SHALL

BE THE SOLE RESPONSIBILITY OF THE CONTRACTOR. THE CONTRACTOR SHALL

NOTIFY THE COTR IMMEDIATELY OF ANY INFORMATION CONCERNING FOUND

UTILITY, NOT SHOWN ON PLANS.

14. EXISTING SURFACE CONDITIONS DISTURBED OR DAMAGED DURING

CONSTRUCTION, WHICH ARE INTENDED TO REMAIN, SHALL BE REPLACED TO

MATCH EXISTING CONDITIONS AT NO ADDITIONAL COST TO THE GOVERNMENT.

CONTRACTOR TO COORDINATE EXTENT WITH THE COTR.

15. IF A 1' MINIMUM VERTICAL CLEARANCE (OR THE LABELED MINIMUM CLEARANCE)

CAN NOT BE MAINTAINED AT UTILITY CROSSING, THE CONTRACTOR IS TO

NOTIFY THE COTR BEFORE PROCEEDING WITH WORK.

16. TRANSITION PAVING AND SIDEWALK TO MEET EXISTING IN LINE AND ON GRADE

OR AS DIRECTED BY THE COTR.

17. ALL DEBRIS AND EXCESS MATERIAL SHALL BE DISPOSED OF BY THE

CONTRACTOR AT AN APPROVED OFF-SITE LOCATION. CONTRACTOR SHALL

REMOVE AND TRANSPORT ALL DEBRIS, RUBBISH AND OTHER MATERIALS

RESULTING FROM ALL DEMOLITION OPERATIONS TO A LEGAL DISPOSAL OFF

SITE.

21. FULL DEPTH REMOVAL OF ASPHALT OR CONCRETE PAVEMENT SHALL INCLUDE

THE REMOVAL OF ALL SURFACE, BASE AND SUBBASE MATERIALS.

22. WHERE PORTIONS OF EXISTING BITUMINOUS OR CONCRETE PAVING ARE TO BE

REMOVED, THE EXISTING PAVEMENT SHALL BE SAW-CUT.

23. WHERE NEW PAVEMENT AND CONCRETE MEETS EXISTING, EXISTING PAVEMENT

SHALL BE SAW-CUT TO ALLOW FOR SMOOTH AND FLUSH TRANSITION.

DEMOLITION:

1. CONTRACTOR SHALL COORDINATE WITH UTILITY COMPANIES FOR SHUTOFF,

CAPPING AND CONTINUATION OF UTILITY SERVICES AS REQUIRED.

2. CONTRACTOR SHALL REMOVE AND TRANSPORT ALL DEBRIS, RUBBISH AND

OTHER MATERIALS RESULTING FROM ALL DEMOLITION OPERATIONS TO A

LEGAL DISPOSAL OFF SITE AND IN ACCORDANCE WITH CONSTRUCTION WASTE

MANAGEMENT REQUIREMENTS UNLESS SPECIFICALLY NOTED AS REQUIRING

SALVAGING AND RETURN TO NPS.

3. REMOVAL OF ASPHALT AND CONCRETE PAVEMENT SHALL INCLUDE THE

REMOVAL OF ALL SURFACE, BASE AND SUBBASE MATERIALS.

4. EXISTING CONDITIONS SHOWN HEREON WERE TAKEN FROM A SURVEY

PREPARED BY PRECISION MEASUREMENTS, INC. THE SURVEY REFLECTS FIELD

CONDITIONS AS OF DECEMBER 2022.

5. THE UTILITY FEATURES SHOWN ON THE EXISTING CONDITIONS ARE BASED ON

VISIBLE SURVEYED UTILITY FEATURES. THE LOCATION OF ALL UTILITIES SHOWN

ARE APPROXIMATE. IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY

AND DETERMINE THE EXACT LOCATION AND DEPTH OF ALL UTILITIES PRIOR TO

COMMENCING WORK. REPORT ANY DISCREPANCY TO THE CONTRACTING

OFFICER. MARKING LOCATIONS OF EXISTING UTILITIES, CONTACT "MISS UTILITY"

AT 1-800-257-7777, 48-HOURS PRIOR TO ANY EXCAVATION.

6. THE CONTRACTOR MUST HAND-DIG TEST PITS TO DETERMINE THE EXACT

LOCATION, DEPTH AND SIZE OF ALL UTILITIES AS WELL IN DEMOLITION WORK

AND PRIOR TO ORDERING PIPE MATERIALS AND STRUCTURE. UTILITIES FOUND

DURING DEMOLITION OR CONSTRUCTION ACTIVITIES SHALL BE THE

RESPONSIBILITY OF CONTRACTOR ENGAGED IN EXCAVATION AT THIS SITE. THE

CONTRACTING OFFICER SHALL BE NOTIFIED IMMEDIATELY OF ANY UTILITY

FINDINGS WHICH DEVIATE FROM THE CONDITIONS SHOWN.

7. ALL SEDIMENT AND EROSION CONTROL METHODS SHALL BE INSTALLED BEFORE

THE START OF ANY EXCAVATION AND/OR DEMOLITION AS PER VIRGINIA

EROSION AND SEDIMENT CONTROL HANDBOOK FOR ALL SCOPE. IF ANY ONSITE

INSPECTION REVEALS FURTHER EROSION CONTROL MEASURES ARE

NECESSARY, THE SAME SHALL BE PROVIDED.

8. SEE SEDIMENTATION AND EROSION CONTROL PLAN FOR ALL EXISTING TREES

TO REMAIN AND BE PROTECTED.

9. NOTE PROXIMITY OF ADJACENT STRUCTURES AND UTILITY LINES AND MAINTAIN

CONTINUED SERVICE DURING CONSTRUCTION. COORDINATE WITH RESPECTIVE

UTILITY COMPANIES AND CONTRACTING OFFICER SHOULD RELOCATION OF

SERVICE BE REQUIRED.

10. CONTRACTOR TO BE RESPONSIBLE FOR LAYOUT, EXTENT AND DESIGN OF

SHEETING, SHORING AND SUPPORT OF EXISTING UTILITIES AND ADJACENT

STRUCTURES. SHORING, BRACING AND UNDERPINNING SHALL BE DESIGNED BY

A STRUCTURAL ENGINEER, LICENSED IN THE STATE OF VIRGINIA HIRED BY THE

CONTRACTOR AS NECESSARY TO ENSURE SUPPORT OF SURROUNDING

STRUCTURES AND UTILITIES.

11. UNLESS OTHERWISE SHOWN ON THESE DRAWINGS, EXISTING PAVEMENT IS TO

REMAIN. PROVIDE PRE-CONSTRUCTION VIDEO OF EXISTING PAVEMENT.

EXISTING PAVEMENT DISTURBED OR DAMAGED DURING CONSTRUCTION SHALL

BE REPLACED PER VIRGINIA DEPARTMENT OF TRANSPORTATION STANDARDS

AND SPECIFICATIONS.

12. PRIOR TO COMMENCEMENT OF CONSTRUCTION ACTIVITIES, VERIFY INVERT

ELEVATION OF EXISTING UTILITIES AT CROSSINGS NEAR GUARDRAILS. NOTIFY

CONTRACTING OFFICER OF ANY DISCREPANCIES WITH INFORMATION SHOWN

PRIOR TO ORDERING ANY STRUCTURES.

13. CONTACT 'MISS UTILITY' AT 1-800-257-7777 48 HOURS PRIOR TO CONSTRUCTION.

ADDITIONALLY, PROVIDE FOR AN INDEPENDENT PRIVATE UTILITY LOCATING

SERVICE TO LOCATE EXISTING UTILITIES IN THE WORK AREA.

14. CONTRACTOR SHALL CONTACT OWNER OF ELECTRICAL OR

TELECOMMUNICATIONS LINES TWO WEEKS PRIOR TO DEMOLITION NEAR

RESPECTIVE LINES.

EXISTING CONDITIONS NOTES:

SURVEY NOTES:

1. THE MERIDIAN SOURCE OF THIS TOPOGRAPHIC SURVEY IS BASED ON THE

VIRGINIA STATE PLANE COORDINATE SYSTEM, NORTH ZONE, NORTH

AMERICAN DATUM 1983 (2011). THE PROJECT MERIDIAN WAS ESTABLISHED

USING GPS METHODS.

2. ELEVATIONS REFER TO NAVD 1988 (GEOID18) AND WERE ESTABLISHED

USING GPS METHODS.

3. THIS SURVEY WAS PREPARED TO SHOW EXISTING FEATURES AS OF

DECEMBER 20, 2022 AND DOES NOT CERTIFY TO CHANGES TO SITE

CONDITIONS WHICH OCCUR SUBSEQUENT TO THIS DATE AND OR TO

PROPOSED IMPROVEMENTS.

4. THIS SURVEY DOES NOT CONSTITUTE A BOUNDARY SURVEY NOR A

SUBDIVISION OF LAND.

5. THIS SURVEY DOES NOT INTEND TO DEPICT ANY WETLANDS, HAZARDOUS

WASTE AND ENVIRONMENTAL FEATURES THAT MAY AFFECT SAID

PROPERTY SHOWN HEREON EXCEPT AS SHOWN.

6. THE TOPOGRAPHY AND PHYSICAL FEATURES SHOWN ON THIS MAP WERE

OBTAINED UNDER THE DIRECT AND RESPONSIBLE CHARGE AND

SUPERVISION OF ROBERTO TORRES, L.S. THIS PLAT, MAP, OR DIGITAL

GEOSPATIAL DATA INCLUDING METADATA MEETS MINIMUM ACCURACY

STANDARDS UNLESS OTHERWISE NOTED.

7. THIS TOPOGRAPHIC SURVEY WAS PREPARED/COMPILED BY:

CHH

EHH

EM

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering Dulles, VA

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering

X

X X

X

X X X X X

X

KEYNOTES:

1. DEMOLISH EX. CONCRETE SIDEWALK.

2. REMOVE EX. ELEC. JUNCTION BOX. SALVAGE AND STORE FOR REINSTALLATION.

3. REMOVE EX. ELEC. LIGHT POLE. SALVAGE AND STORE FOR REINSTALLATION.

4. REMOVE EX. COMM. JUNCTION BOX. SALVAGE AND STORE FOR REINSTALLATION.

5. REMOVE EX. BOOT CLEANER. STORE FOR REINSTALLATION.

6. DEMOLISH EX. "CONTACT STATION" BUILDING.

7. REMOVE GRAVEL TOP COURSE. EXISTING SUBGRADE NOT TO BE DISTURBED.

8. REMOVE GRAVEL TO FULL DEPTH TO EXTENTS INDICATED ON PLAN.

9. REMOVE EX. CONCRETE WHEEL STOP TO FACILITATE CONSTRUCTION. SALVAGE AND

STORE FOR REINSTALLATION.

10. DEMOLISH EX. CONCRETE CURB.

11. REMOVE EX. GRAVEL PILE.

12. DEMOLISH EXISTING ASPHALT PAVING, TOP COURSE ONLY.

13. REMOVE EX. ACCESSIBLE PARKING SIGN. SALVAGE AND STORE FOR

REINSTALLATION.

14. REMOVE EX. TREE.

LEGEND

DEMOLISH GRAVEL - SURFACE ONLY

DEMOLISH GRAVEL - FULL DEPTH

DEMOLISH CONCRETE

DEMOLISH ASPHALT- SURFACE ONLY

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering

KEYNOTES:

1. PROPOSED TOILET VAULT, SEE SHEET A8 FOR DETAILS.

2. PROPOSED CONCRETE WALKWAY. SEE DETAILS 3, SHEET C7.1.

3. PROPOSED "CONTACT STATION" BUILDING. SEE ARCHITECTURAL DRAWINGS.

4. REINSTALL EX. ACCESSIBLE PARKING SIGN TO ORIGINAL LOCATION. SEE DETAIL 8, SHEET C7.1.

5. PROPOSED ASPHALT PARKING LOT. SEE DETAIL 6, SHEET C7.1.

6. PROPOSED SPEED HUMP. SEE DETAIL 7, SHEET C7.1.

7. RESET EXISTING SALVAGED WHEEL STOP. SEE DETAIL 5, SHEET C7.1.

8. PROPOSED GRAVEL DIAPHRAGM. SEE DETAIL 2, SHEET C7.1.

9. PROPOSED #3 STONE TO PREVENT SCOUR. SEE DETAIL 2, SHEET C7.2.

10. PROPOSED TELECOM LINE. CONNECT TO EXISTING TELECOM HANDHOLE.

11. PROPOSED ELECTRIC LINE. CONNECT TO EXISTING ELECTRIC HANDHOLE.

12. REINSTALL SALVAGED TELECOM JUNCTION BOX.

13. REINSTALL SALVAGED ELECTRIC JUNCTION BOX.

14. REINSTALL SALVAGED LIGHT POLE. RECONNECT TO POWER.

15. PROPOSED VEHICULAR CONCRETE. SEE DETAIL 4, SHEET C7.1.

16. PROPOSED VDOT CG-2 CURB. SEE DETAIL 1, SHEET C7.2

LEGEND

PROPOSED ASPHALT PARKING LOT

PROPOSED GRAVEL FILL

PROPOSED CONCRETE

# PROPOSED PARKING SPACES#

E

E

.5 1'

8.

.8 8'

10.37' R10

.00

8.97'

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering Dulles, VA

M

ATC

H

LIN

E - SEE SH

EET C

5.2

KEYNOTES:

1. PROPOSED TOILET VAULT, SEE SHEET A8 FOR DETAILS.

2. PROPOSED CONCRETE WALKWAY. SEE DETAILS 3, SHEET C7.1.

3. PROPOSED "CONTACT STATION" BUILDING. SEE ARCHITECTURAL DRAWINGS.

4. REINSTALL EX. ACCESSIBLE PARKING SIGN TO ORIGINAL LOCATION. SEE DETAIL 8, SHEET C7.1.

5. PROPOSED ASPHALT PARKING LOT. SEE DETAIL 6, SHEET C7.1.

6. PROPOSED SPEED HUMP. SEE DETAIL 7, SHEET C7.1.

7. RESET EXISTING SALVAGED WHEEL STOP. SEE DETAIL 5, SHEET C7.1.

8. PROPOSED GRAVEL DIAPHRAGM. SEE DETAIL 2, SHEET C7.1.

9. PROPOSED #3 STONE TO PREVENT SCOUR. SEE DETAIL 2, SHEET C7.2.

10. PROPOSED TELECOM LINE. CONNECT TO EXISTING TELECOM HANDHOLE.

11. PROPOSED ELECTRIC LINE. CONNECT TO EXISTING ELECTRIC HANDHOLE.

12. REINSTALL SALVAGED TELECOM JUNCTION BOX.

13. REINSTALL SALVAGED ELECTRIC JUNCTION BOX.

14. REINSTALL SALVAGED LIGHT POLE. RECONNECT TO POWER.

15. PROPOSED VEHICULAR CONCRETE. SEE DETAIL 4, SHEET C7.1.

16. PROPOSED VDOT CG-2 CURB. SEE DETAIL 1, SHEET C7.2

LEGEND

PROPOSED ASPHALT PARKING LOT

PROPOSED GRAVEL FILL

PROPOSED CONCRETE

# PROPOSED PARKING SPACES#

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering Dulles, VA

M

ATC

H

LIN

E - SEE SH

EET C

5.1

E

FS

EP

FS

EP 27

EP

EP

FS

17 EP

FS

EP

EC

BC

EC

EC

EC

EC

BC

EC

EC

EC

EC

921922

93793

916917

EP

EP

EP

EC

EC

EP

EP

EP

EP

EP

EP

EP

EP

EP

EP

EP

EP

EP

EP

EP

EP

EP

EP

EC

EC

FFE

EP

EP

EP

EP

EP

EP

FS

FS

EP

EP

FFE

EC

EC

BC

6" TC

6" TC

6" TC

MAT

1.

1.30%

94294

2.

7.33%

8.

EC

10.34%

8.43%

5.82%

6.16%

8.7 6%

7.5 2%

5.6 7%

8.7 6%

.26

GRADING LEGEND:

LIMITS OF DISTURBANCE

LIMITS OF WORK

CONTOURS

SPOT SHOT

MATCH EXISTING SPOT SHOT

PROTECTED

DISTURBED

MAT

GRADING LEGEND:

EDGE OF PAVEMENT SPOT SHOT

FLOW LINE SPOT SHOT

TOP OF CURB SPOT SHOT

TOP OF WALL

BOTTOM OF WALL

HIGH POINT SPOT SHOT ##

HP

TC

FL

EP

TW

BW

GRADING LEGEND:

LOW POINT SPOT SHOT

MULCH SURFACE SPOT SHOT

EDGE OF CONCRETE / EDGE OF

ASPHALT SPOT SHOT

EDGE OF FILTER STRIP SPOT SHOT

TOP OF BERM SPOT SHOT

LP

MS

EC/EA

FS

TB

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering Dulles, VA

M

ATC

H

LIN

E - SEE SH

EET C

6.2

EP

FS

EP

EP

EP

908909

911912913914

916917

EP

8.7 6%

.26

9.6 2%

9.

8.0 5%

EP

EP

EP

EP

EP

EP

EP

FS

FS

EP

FS

FS

EP

EP

GRADING LEGEND:

LIMITS OF DISTURBANCE

LIMITS OF WORK

CONTOURS

SPOT SHOT

MATCH EXISTING SPOT SHOT

PROTECTED

DISTURBED

MAT

GRADING LEGEND:

EDGE OF PAVEMENT SPOT SHOT

FLOW LINE SPOT SHOT

TOP OF CURB SPOT SHOT

TOP OF WALL

BOTTOM OF WALL

HIGH POINT SPOT SHOT ##

HP

TC

FL

EP

TW

BW

GRADING LEGEND:

LOW POINT SPOT SHOT

MULCH SURFACE SPOT SHOT

EDGE OF CONCRETE / EDGE OF

ASPHALT SPOT SHOT

EDGE OF FILTER STRIP SPOT SHOT

TOP OF BERM SPOT SHOT

LP

MS

EC/EA

FS

TB

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering Dulles, VA

M

ATC

H

LIN

E - SEE SH

EET C

6.1

2" ASPHALT OVERLAY PAVEMENT

SCALE: NOT TO SCALE

GRAVEL DIAPHRAGM FOR SHEET FLOW

FROM IMPERVIOUS

SCALE: NOT TO SCALE

4000 PSI CONCRETE WITH

BROOM FINISH

WELDED WIRE FABRIC

REINFORCEMENT (W2.9 6"X6")

COMPACTED GRADED

AGGREGATE BASE

(VDOT 21A STONE)

APPROVED SUBGRADE

PROVIDE FORMED, SAWED OR

8' INTERVAL SPACING (TYP)

(OR 5.0' X 5.0' SPACING IN PLAZA

AREAS). PROVIDE EXPANSION

JOINTS AT FIXED OBJECTS

4"

4"

1"

SIDEWALK & PEDESTRIAN CONCRETE DETAIL

SCALE: NOT TO SCALE

TYPICAL VEHICULAR FULL DEPTH CONCRETE

PAVEMENT DETAIL

SCALE: NOT TO SCALE

8500 PSI CONCRETE

INSTALLATION

6" 6'-0"

9"

END VIEWFRONT ELEVATION

2#4 BARS

REINFORCING

(M A

X

6"

6'-0" (MAXIMUM)

CONCRETE WHEEL STOPS

SCALE: NTS

C7.1

C7.1 C7.1 C7.1

C7.1

HOLES FOR #6

BAR 2'-6" LONG

(TYPICAL)

INSTALLATION

PINS

1.5" BITUMINOUS SURFACE

COURSE 9.5A, VDOT SECTION 211

TACK COAT

3" BITUMINOUS

BASE SURFACE

COURSE BM-25.0

8" VDOT TYPE II GRADED

AGGREGATE BASE 21A, SECTION 208

12" RAW SUBGRADE COMPACTED

95% OF LABORATORY MIXIMUM

DENSITY (ASTM D 698)

FULL DEPTH ASPHALT DETAIL

SCALE: NOT TO SCALE

C7.1

NOTE:

2'

1'

2'

SIDE SLOPE TO

PRACTICE OR

FILTER STRIP

EDGE OF TRAVEL LANE /

EDGE OF PAVEMENT

EDGE OF TRAVEL LANE /

EDGE OF PAVEMENT

12'

CL

12" REFLECTIVE WHITE

STRIPES

6'

12'

3"1" 1.

7" 2.

3"

2.

7"

2.

9"

CROSS SECTION

4000 PSI CONCRETE WITH

BROOM FINISH

WELDED WIRE FABRIC

REINFORCEMENT (W2.9 6"X6")

COMPACTED GRADED

AGGREGATE BASE

(VDOT 21A STONE)

APPROVED SUBGRADE

PROVIDE FORMED, SAWED OR

8' INTERVAL SPACING (TYP)

(OR 5.0' X 5.0' SPACING IN PLAZA

AREAS). PROVIDE EXPANSION

JOINTS AT FIXED OBJECTS

6"

8"

1"

SPEED HUMP

SCALE: NOT TO SCALE

C7.1

TAPER 12"

EDGE DETAIL

PLAN VIEW

SEE CROSS SECTION

ACCESSIBLE

PARKING

ACCESSIBLE PARKING SIGN

SCALE: NTS

C7.1

8" MIN.

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering

2" ASPHALT OVERLAY PAVEMENT

SCALE: NOT TO SCALE

C7.2

PLAN VIEW

PROFILE

GRASS CHANNEL W/ PERMANENT CHECK DAMS2

C7.2

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering

SPSF

TS

SSF

SF

SF

SF

SF

SF

SF

SSF

SSF

SSF

SSF

TS

TS

CE

NOTES:

1. ALL DISTURBED AREA WITH 3:1 SLOPE OR STEEPER SHALL RECEIVE EC-2

MATTING, SLOPES STEEPER THAN 2:1 SHALL RECEIVE EC-3 MATTING.

2. MATERIAL BROUGHT ON SITE (SPOIL, GRAVEL, RIP RAP) SHALL BE

CERTIFIED WEED FREE. IF INVASIVE PLANTS GERMINATE AND GROW AS

A RESULT OF FILL MATERIAL, CONTRACTOR WILL BE RESPONSIBLE FOR

REMOVAL AND RESEEDING WITH APPROVED SEED MIX.

3. CONTRACTOR SHALL NOT OPERATE EQUIPMENT IN THE WETLANDS OR

DISTURB THE WETLANDS DURING CONSTRUCTION.

4. FERTILIZER USE IS PROHIBITED WHEN SEEDING ADJACENT TO

WETLANDS OR WHEN NATIVE GRASS SEED IS USED.

E&S LEGEND

CONSTRUCTION ENTRANCE

SILT FENCE

SUPER SILT FENCE

TEMPORARY SEEDING

PERMANENT SEEDING

TEMPORARY STOCKPILE

LIMIT OF WORK

LIMIT OF DISTURBANCE

CE

SF

SSF

TS

PS

SP

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering Dulles, VA

THIS SHEET TO BE USED FOR EROSION & CONTROL PURPOSES ONLY!!!

PS

SSF

SF

SF

SF

SF

SF

SF

SSF

SSF

SSF

SSF

PS

PS

CE

NOTES:

1. ALL DISTURBED AREA WITH 3:1 SLOPE OR STEEPER SHALL RECEIVE EC-2

MATTING, SLOPES STEEPER THAN 2:1 SHALL RECEIVE EC-3 MATTING.

2. MATERIAL BROUGHT ON SITE (SPOIL, GRAVEL, RIP RAP) SHALL BE

CERTIFIED WEED FREE. IF INVASIVE PLANTS GERMINATE AND GROW AS

A RESULT OF FILL MATERIAL, CONTRACTOR WILL BE RESPONSIBLE FOR

REMOVAL AND RESEEDING WITH APPROVED SEED MIX.

3. CONTRACTOR SHALL NOT OPERATE EQUIPMENT IN THE WETLANDS OR

DISTURB THE WETLANDS DURING CONSTRUCTION.

4. FERTILIZER USE IS PROHIBITED WHEN SEEDING ADJACENT TO

WETLANDS OR WHEN NATIVE GRASS SEED IS USED.

E&S LEGEND

CONSTRUCTION ENTRANCE

SILT FENCE

SUPER SILT FENCE

TEMPORARY SEEDING

PERMANENT SEEDING

TEMPORARY STOCKPILE

LIMIT OF WORK

LIMIT OF DISTURBANCE

CE

SF

SSF

TS

PS

SP

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering Dulles, VA

THIS SHEET TO BE USED FOR EROSION & CONTROL PURPOSES ONLY!!!

EROSION AND SEDIMENT CONTROL NARRATIVE

PROJECT DESCRIPTION

THE PURPOSE OF THIS PROJECT IS TO CONSTRUCT A PERMANENT CONTACT FEE STATION FOR THE NATIONAL PARK SERVICE AND TO REMEDY EROSION OF THE EXISTING GRAVEL PARKING LOT BY PROVIDING AN ASPHALT OVERLAY. FOR THE CONTACT FEE STATION, TELECOMMUNICATION AND ELECTRICITY WILL NEED TO BE REROUTED

FROM EXISTING LOCATION.

A TOTAL OF 0.35 ACRES WILL BE DISTURBED DURING CONSTRUCTION. NON-DISTURBING (I.E. REMOVAL AND

REGRADING OF GRAVEL SUBBASE) WORK ACCOUNTS FOR AN ADDITIONAL 0.85 ACRES OF AREA.

ADJACENT PROPERTY

ALL EFFORTS SHOULD BE TAKEN TO DECREASE THE IMPACTS TO ANY ADJACENT PROPERTIES AND WATER COURSES/BODIES DOWNSTREAM OF THE SITE BY ENSURING PROPER MAINTENANCE OF ALL CONTROLS IN THE

DRAINAGE SHED.

OFFSITE AREAS

ANY EXCESS MATERIAL TO BE TRANSPORTED TO AN OFFSITE AREA WILL ONLY BE TRANSPORTED TO A LEGALLY

PERMITTED SITE.

SOILS

THE SITE IS LOCATED IN THE PIEDMONT REGION OF VIRGINIA. THE SITE CONSISTS OF COLLUVIAL LAND, TREGO

LOAM, AND UNISON LOAM WITH SLOPES BETWEEN 2 - 15%.

NO PRELIMINARY GEOTECHNICAL REPORT HAS BEEN PROVIDED WITH THIS PROJECT.

CRITICAL AREAS

AREAS OF WETLANDS AND STREAMS NEAR TO THE LIMITS OF DISTURBANCE SHOULD BE CONSIDERED CRITICAL AREAS. ENSURE APPROPRIATE EROSION AND SEDIMENT CONTROLS ARE PROVIDED IN THE ADJACENT DISTURBED

AREA.

EROSION CONTROL PROGRAM

UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED IN ACCORDANCE WITH THE MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK (LATEST EDITION).

STRUCTURAL PRACTICES

3.02 CONSTRUCTION ENTRANCE - PROVIDE CONSTRUCTION ENTRANCE WITH WASH RACK AT LOCATIONS SHOWN

ON THE PLAN.

3.05 SILT FENCE - PROVIDE SILT FENCE FOR SHEET FLOW AREAS AT LOCATIONS SHOWN ON THE PLAN.

SUPER SILT FENCE - PROVIDE SUPER SILT FENCE FOR SHEET FLOW AREAS AT LOCATIONS SHOWN ON THE PLAN.

VEGETATIVE PRACTICES

1. TOP SOIL (STOCKPILE) - 3.30 - TOPSOIL WILL BE STRIPPED FROM AREAS TO BE GRADED AND STOCKPILED FOR LATER USE. STOCKPILES WILL BE STABILIZED WITH TEMPORARY VEGETATION TO PREVENT SOIL LOSS AND SEDIMENT TRANSPORT FROM THE STOCKPILE ITSELF UNTIL NEEDED FOR FINAL GRADING AND PERMANENT

STABILIZATION.

2. TEMPORARY SEEDING - 3.31 - ALL DENUDED AREAS THAT WILL BE LEFT DORMANT FOR MORE THAN SEVEN (7) DAYS SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING GRADING. SELECTION OF THE SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR IT IS APPLIED.

3. PERMANENT SEEDING - 3.32 - PERMANENT SEEDING SHALL BE APPLIED TO ALL AREAS THAT HAVE ACHIEVED

FINAL GRADE.

4. SEEDS USED FOR ALL PROJECT AND COMPENSATION ACTIVITIES SHALL CONFORM TO THE VIRGINIA SEED LAW (SECTIONS 3.1-262 CODE OF VIRGINIA) AND VIRGINIA SEED REGULATIONS (2 VAC 5-290-10 ET SEQ).

5. MULCHING - 3.35 - AREAS REQUIRING PERMANENT SEEDING MUST ALSO BE MULCHED IN ACCORDANCE WITH

THE VESCH.

SEDIMENTATION CONTROL STRATEGIES

1. CONTRACTOR SHALL CONTACT THE ASSIGNED DEQ INSPECTOR ONE (1) WEEK PRIOR TO COMMENCING ANY LAND DISTURBANCE ACTIVITIES. THE JOB SUPERINTENDENT SHALL BE RESPONSIBLE FOR THE INSTALLATION

AND MAINTENANCE OF ALL EROSION AND SEDIMENT CONTROL PRACTICES

2. AREAS THAT ARE NOT TO BE DISTURBED WILL BE CLEARLY MARKED BY FLAGS, SIGNS, ETC.

3. LIMITS OF DISTURBANCE ARE TO BE PER THE EROSION AND SEDIMENT CONTROL PLAN. CONSTRUCTION WILL BE SEQUENCED SO THAT GRADING OPERATIONS CAN BEGIN AND END AS QUICKLY AS POSSIBLE.

4. ALL APPLICABLE FEDERAL, STATE, AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR CROSSING LIVE

WATERCOURSES SHALL BE MET.

5. STABILIZATION MEASURES ARE REQUIRED IMMEDIATELY AFTER INSTALLATION OF ALL EARTHEN

STRUCTURES TO PREVENT EROSION AND STRUCTURAL DAMAGE OR FAILURE.

6. CONTRACTOR SHALL COORDINATE WITH VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY (DEQ) INSPECTOR ON THE LOCATION OF ON-SITE STOCKPILES. STOCKPILES SHOULD BE PROTECTED WITH SILT

FENCE AT THE TOE OF THE SLOPE AND DIVERSION DIKES, IF NECESSARY.

7. THE VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY (DEQ) INSPECTOR HAS THE AUTHORITY TO ADD OR

DELETE CONTROLS AS NEEDED IN THE FIELD AS CONDITIONS WARRANT.

SEQUENCE OF CONSTRUCTION FOR INSTALLATION OF EROSION AND SEDIMENT CONTROL DEVICES

GENERAL

1. INSTALL PERIMETER EROSION AND SEDIMENT CONTROLS AS SHOWN ON THIS PLAN.

2. INSTALL ADDITIONAL EROSION AND SEDIMENT CONTROL PRACTICES AS NECESSARY AND AS DIRECTED BY

THE EROSION AND SEDIMENT CONTROL INSPECTOR.

3. CONDUCT DEMOLITION AND CONSTRUCTION ACTIVITIES ACCORDING TO THE APPLICABLE PLANS.

4. AS CONTRIBUTORY DRAINAGE AREAS ARE STABILIZED AND WITH THE PERMISSION OF THE EROSION AND SEDIMENT CONTROL INSPECTOR, REMOVE INDIVIDUAL EROSION AND SEDIMENT CONTROL PRACTICES.

5. UPON COMPLETION OF DEMOLITION, CONSTRUCTION, AND LAND DISTURBING ACTIVITIES; PROVIDE PERMANENT STABILIZATION ACCORDING TO APPROVED METHODS AND REMOVE ALL REMAINING EROSION AND SEDIMENT CONTROL MEASURES WITH THE APPROVAL OF THE EROSION AND SEDIMENT CONTROL

INSPECTOR.

PHASE 1

1. CLEAR FOR AND INSTALL CONSTRUCTION ENTRANCE WITH WASH RACK PRIOR TO ANY LAND DISTURBING ACTIVITIES ON THE SITE. MUD AND DEBRIS SHALL BE WASHED FROM ALL CONSTRUCTION VEHICLES AND EQUIPMENT BEFORE LEAVING THE SITE. THE SEDIMENT-LADEN WATER WILL BE DIVERTED TO A SEDIMENT TRAPPING DEVICE. WATER FOR WASH RACK WILL BE SUPPLIED BY A PORTABLE WATER SOURCE.

2. CLEAR FOR REMAINDER OF PERIMETER CONTROLS.

3. INSTALL REMAINDER OF PERIMETER AND SEDIMENT TRAPPING CONTROLS AS SHOWN ON THE PHASE 1 PLAN

INCLUDING:

* SILT FENCE

* SUPER SILT FENCE

3. INSTALL ADDITIONAL EROSION AND SEDIMENT CONTROL PRACTICES AS NECESSARY AND AS DIRECTED BY THE VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY (DEQ) EROSION AND SEDIMENT CONTROL

INSPECTOR.

4. WITH AUTHORIZATION FROM THE VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY (DEQ) EROSION AND SEDIMENT CONTROL INSPECTOR, CONDUCT DEMOLITION AND CONSTRUCTION ACTIVITIES ACCORDING TO

THE APPLICABLE PLANS.

PHASE 2

1. TEMPORARY SEEDING AND MULCHING OR OTHER STABILIZATION WILL FOLLOW IMMEDIATELY AFTER

GRADING IN AREAS NOT UNDER ACTIVE CONSTRUCTION.

2. INSTALL ANY OTHER CONTROLS PER THE PHASE 2 PLAN.

3. ALL EROSION AND SEDIMENT CONTROLS ARE TO REMAIN IN PLACE FOR THE DURATION OF THE PROJECT AND ARE TO BE REMOVED ONLY WITH THE CONCURRENCE OF THE VIRGINIA DEPARTMENT OF ENVIRONMENTAL

QUALITY (DEQ) EROSION AND SEDIMENT CONTROL INSPECTOR.

4. AFTER ACHIEVING ADEQUATE STABILIZATION AND APPROVAL OF THE VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY (DEQ) EROSION AND SEDIMENT CONTROL INSPECTOR, THE TEMPORARY EROSION AND SEDIMENT CONTROLS SHALL BE CLEANED UP AND REMOVED. INLET PROTECTION AND FILTER LOGS ARE TO REMAIN IN PLACE UNTIL VEGETATION IS ESTABLISHED. ANY BARE AREAS SHALL BE SEEDED AND

MULCHED.

PERMANENT STABILIZATION

ALL AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH PERMANENT SEEDING IMMEDIATELY FOLLOWING FINISH GRADING. SEEDING SHALL BE DONE WITH KENTUCKY 31 TALL FESCUE ACCORDING TO STD.& SPEC. 3.32 PERMANENT SEEDING OF THE HANDBOOK. IN ALL SEEDING OPERATIONS, SEED, FERTILIZER AND LIME

WILL BE APPLIED PRIOR TO MULCHING.

SEEDS USED FOR ALL PROJECT AND COMPENSATION ACTIVITIES SHALL CONFORM TO THE VIRGINIA SEED LAW (SECTIONS 3.1-262 CODE OF VIRGINIA) AND VIRGINIA SEED REGULATIONS (2 VAC 5-290-10 ET SEQ).

STORMWATER MANAGEMENT (MS-19)

EXISTING STORMWATER MANAGEMENT PRACTICES TO BE PROTECTED AND UTILIZED FOR THE SITE. SEE SHEET C15.

MAINTENANCE

ALL EROSION AND SEDIMENT CONTROLS WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL. THE

FOLLOWING ITEMS WILL BE CHECKED IN PARTICULAR:

1. SILT FENCE WILL BE CHECKED REGULARLY FOR UNDERMINING OR DETERIORATION OF THE FABRIC.

SEDIMENT SHALL BE REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHES HALFWAY TO THE TOP

OF THE FENCE.

2. SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS MAINTAINED. AREAS

SHOULD BE FERTILIZED AND RE-SEEDED AS NEEDED.

3. ALL MUD AND SILT SHALL BE REMOVED FROM THE EXISTING PUBLIC STREETS ON A DAILY BASIS.

GENERAL EROSION AND SEDIMENT CONTROL NOTES

1. CONTRACTOR SHALL CONTACT ASSIGNED DEQ INSPECTOR ONE (1) WEEK PRIOR TO COMMENCING ANY LAND DISTURBANCE ACTIVITIES. PRIOR TO ENGAGING IN LAND DISTURBING ACTIVITIES, THE NAME OF AN INDIVIDUAL HOLDING A CERTIFICATE OF COMPETENCE MUST BE REPORTED TO THE VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY. THAT INDIVIDUAL WILL BE IN CHARGE OF AND RESPONSIBLE FOR THE

LAND-DISTURBING ACTIVITY.

2. SEDIMENT BASINS AND TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND ALL OTHER EROSION AND

SEDIMENT CONTROL MEASURES INTENDED TO CONTROL EROSION AND TRAP SEDIMENT SHALL BE

CONSTRUCTED AS A FIRST STEP IN ANY LAND DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL

BEFORE ANY UP-SLOPE LAND DISTURBANCE TAKES PLACE.

3. CONSTRUCTION SHALL BE SEQUENCED SUCH THAT GRADING OPERATION CAN BEGIN AND END AS QUICKLY

AS POSSIBLE. AREAS NOT TO BE DISTURBED MUST BE CLEARLY MARKED OR FLAGGED.

4. AN INSPECTION BY THE VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY (DEQ) IS REQUIRED AFTER INITIAL INSTALLATION OF EROSION AND SEDIMENT CONTROL MEASURES AND BEFORE ANY CLEARING OR

GRADING CAN BEGIN.

5. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT

ALL TIMES.

6. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN THOSE INDICATED ON THESE PLANS INCLUDING, BUT NOT LIMITED TO, OFF-SITE BORROW OR WASTE AREAS, THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE

VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY (DEQ).

7. THE DEVELOPER AND CONTRACTORS ARE TO KEEP DENUDED AREAS TO A MINIMUM. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT THE FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN 14 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. ANY STOCKPILED MATERIAL WHICH WILL REMAIN IN PLACE LONGER THAN 10 DAYS MUST BE SEEDED FOR TEMPORARY VEGETATION AND MULCHED WITH STRAW MULCH

OR OTHERWISE STABILIZED.

8. ALL TEMPORARY EARTH BERMS, DIVERSIONS AND SEDIMENT CONTROL DAMS SHALL BE SEEDED AND MULCHED OR OTHERWISE STABILIZED AS SOON AS POSSIBLE BUT NO LATER THAN 48 HOURS AFTER

GRADING.

9. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED.

10.DURING DEWATERING OPERATIONS, WATER SHALL BE PUMPED THROUGH AN APPROVED FILTERING DEVICE OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A

MANNER THAT DOES NOT ADVERSELY IMPACT FLOWING STREAMS OR OFF-SITE PROPERTY.

11.THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES DAILY AND AFTER EACH RUNOFF-PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE

EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY.

12.THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES

AS NECESSARY TO PREVENT EROSION AND SEDIMENTATION.

13. ANY DENUDED SLOPES, EITHER DISTURBED OR CREATED BY THIS PLAN THAT EXCEED 2500 SQUARE FEET SHALL BE SEEDED FOR STABILITY AND EROSION CONTROL. AT THE COMPLETION OF THE PROJECT, ALL DISTURBED AREAS SHALL BE STABILIZED PERMANENTLY AND ALL TEMPORARY EROSION AND SEDIMENT

CONTROLS SHALL BE REMOVED.

14. ALL VEHICLES SHALL BE CLEANED BEFORE ENTERING THE PUBLIC RIGHT-OF-WAY.

15.THE WASH WATER FROM THE CONSTRUCTION ENTRANCE SHALL BE FILTERED THROUGH THE PROVIDED SILT FENCE TO ENSURE THAT NO SEDIMENT LADEN RUNOFF IS ALLOWED TO RUNOFF ON TO THE ADJACENT

PROPERTY OR THE PUBLIC RIGHT-OF-WAY.

16.INSTALL SILT FENCE AND TREE PROTECTION, WHERE APPLICABLE.

17.DUST CONTROL SHALL BE ACCOMPLISHED BY TEMPORARY VEGETATIVE COVER AND BY IRRIGATION AS

NEEDED.

18. ALL TEMPORARY EROSION AND SEDIMENT CONTROLS SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED UNLESS AUTHORIZED BY

THE VESCP AUTHORITY. TRAPPED SEDIMENT AND THE DISTURBED AREAS RESULTING FROM THE

DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER

EROSION AND SEDIMENTATION.

INSPECTOR CONTACT INFORMATION

INSPECTION SERVICES WILL BE PROVIDED BY THE VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY, NORTHERN REGIONAL OFFICE, 13901 CROWN COURT, WOODBRIDGE, VIRGINIA 22193. TELEPHONE: (703) 583-3800

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering

EROSION AND SEDIMENT CONTROL MINIMUM STANDARDS

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering

STABILIZED CONSTRUCTION ENTRANCE

SCALE: NTS

SILT FENCE

SCALE: NTSSUPER SILT FENCE

SCALE: NTS

C12

C12

C12

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering

SOIL: UND

SOIL: CR

SOIL: CR

HYD:

SOIL: CR

SOIL: UNC

DA-1

A = 1.74 AC.

CN = 86

DA-2

A = 11.51 AC.

CN = 64

LEGEND

PERVIOUS COVER

IMPERVIOUS COVER

FOREST COVER

DRAINAGE DIVIDE

SOIL

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering Dulles, VA

THIS SHEET TO BE USED FOR DRAINAGE DIVIDES PURPOSES ONLY!!!

SOIL SUMMARY

SYMBOL NAME HYDRIC K FACTOR HYDROLOGIC

GROUP

DEPTH TO RESTRICTIVE

LAYER (cm)

PERMEABILITY

(μm/s)

SHRINK-SWELL

POTENTIAL

CR COLLUVIAL LAND, VERY STONY NO N/A N/A >200 N/A N/A

UNC UNISON LOAM, 7% TO 15% NO 0.32 B >200 15.00 L

UND UNISON LOAM, 15% TO 25% NO 0.32 B >200 15.00 L

SOIL: UND

SOIL: CR

SOIL: CR

HYD:

SOIL: CR SOIL: UNC

DA-1

A = 1.74 AC.

CN = 86

DA-2

A = 11.51 AC.

CN = 64

LEGEND

PERVIOUS COVER

IMPERVIOUS COVER

FOREST COVER

DRAINAGE DIVIDE

SOIL

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering Dulles, VA

THIS SHEET TO BE USED FOR DRAINAGE DIVIDES PURPOSES ONLY!!!

SOIL SUMMARY

SYMBOL NAME HYDRIC K FACTOR HYDROLOGIC

GROUP

DEPTH TO RESTRICTIVE

LAYER (cm)

PERMEABILITY

(μm/s)

SHRINK-SWELL

POTENTIAL

CR COLLUVIAL LAND, VERY STONY NO N/A N/A >200 N/A N/A

UNC UNISON LOAM, 7% TO 15% NO 0.32 B >200 15.00 L

UND UNISON LOAM, 15% TO 25% NO 0.32 B >200 15.00 L

1.74 AC. TO EX.

GRASS SWALE

1.74 AC. TO EX.

LEVEL SPREADER

DESIGN PERMANENT CONTACT STATION

AND CORRECTIVE DRAINAGE FEATURES

FOR OLD RAG PARKING

MM

RS

SUB SHEET

NUMBER

09/26/2023

A/E FIRM

OF

SHEET

DRAWING. NO.

DATE:

DESIGNED

DRAWN

CHECKED

RK

PMIS/PKG NO.

325621

STRUCTURAL:

McMullan Consulting Engineers Reston, VA

CIVIL:

Sorba Engineering Dulles, VA

NOTES:

1. THIS SITE DRAINS TO THE HUGHES RIVER, A TIER III STREAM WITH AQUATIC

HABITAT FOR COLD WATER FISHERIES. SPECIAL CARE SHOULD BE TAKEN

DURING AND POST CONSTRUCTION TO REDUCE EROSION AND LIMIT

TRANSPORT OF GRAVEL DOWNSTREAM.

2. MATERIAL BROUGHT ON SITE (SPOIL, GRAVEL, RIP RAP, SHALL BE

CERTIFIED WEED FREE. IF INVASIVE PLANTS GERMINATE AND GROW AS A

RESULT OF FILL MATERIAL, CONTRACTOR WILL BE RESPONSIBLE FOR

REMOVAL AND RESEEDING WITH APPROVED SEED MIX.

3. CONTRACTOR SHALL NOT OPERATE EQUIPMENT IN THE WETLANDS OR

DISTURB THE WETLANDS DURING CONSTRUCTION.

STORMWATER MANAGEMENT NARRATIVE

THE EXISTING SITE'S STORMWATER MANAGEMENT NEEDS ARE PROVIDED FOR

THROUGH A GRASS SWALE WITH CHECK DAMS AND A LEVEL SPREADER

DEVELOPED UNDER PREVIOUSLY APPROVED PLAN PMIS 081712. FLOW FROM THE

SITE DRAINS TO THE NORTHWEST INTO THE EXISTING SWALE BEFORE

PROCEEDING DOWNSTREAM TO THE EXISTING LEVEL SPREADER. AFTER THE

EXISTING LEVEL SPREADER, RUNOFF DISCHARGES INTO NATURAL STREAMS.

THE NATURE OF THE SITE IS NOT BEING ADJUSTED WITH THE INSTALLATION OF

THE CONTACT STATION AND THE CONVERSION OF THE PARKING LOT FROM

GRAVEL TO ASPHALT. IMPERVIOUSNESS OF THE SITE, AS MEASURED BY CURVE

NUMBER, DOES NOT INCREASE IN THE POST-DEVELOPMENT CONDITION.

ADEQUATENESS OF THE EXISTING STORMWATER MANAGEMENT BMPS IS NOT

EXPECTED TO CHANGE.

EXISTING GRASS SWALE: DRAINAGE AREA = 1.74 AC.; CURVE NUMBER = 86.

EXISTING LEVEL SPREADER: DRAINAGE AREA = 1.74 AC.; CURVE NUMBER = 86.

BMP MANAGEMENT PLAN

MAINTENANCE PLAN

A MAINTENANCE PROGRAM IS REQUIRED TO ENSURE THE STORMWATER

MANAGEMENT (SWM) SYSTEM INCLUDING GRASS CHANNELS, PERMANENT

CONCRETE CHECK DAMS, AND LEVEL SPREADER FUNCTIONS AS DESIGNED.

PROPER MAINTENANCE IS ENCOURAGED TO PREVENT THE INTRODUCTION OF

DEBRIS AND SEDIMENT AT EACH CHECK DAM, INFLOW OF LEVEL SPREADER AND

DOWNSTREAM WATERWAYS. FOLLOWING INSTALLATION AND ESTABLISHMENT

OF VEGETATION IN DISTURBED SITE AREAS, INSPECTIONS FOR SEDIMENT

BUILDUPS WILL BE PERFORMED TWICE ANNUALLY. IT IS ANTICIPATED THAT

UNDER NORMAL CONDITIONS, SEDIMENT REMOVAL WILL BE REQUIRED ONCE

EVERY 5 TO 10 YEARS. THE FACILITY SHALL NOT ACCEPT ADDITIONAL DRAINAGE

OR BE MODIFIED IN ANY WAY WITHOUT PRIOR CONSENT OR APPROVAL BY THE

EROSION CONTROL AND STORMWATER DEPARTMENT OF MADISON COUNTY.

THE OWNER OR ITS DESIGNATED REPRESENTATIVE WILL INSPECT THE SWM

SYSTEM AFTER EACH SIGNIFICANT RAINFALL EVENT. A SIGNIFICANT RAINFALL IS

DEFINED AS ONE (1) INCH OR MORE WITHIN A 24 HOUR PERIOD. APPROPRIATE

ACTION, PERFORMED AT THE COST OF THE OWNER, WILL BE TAKEN TO ENSURE

APPROPRIATE MAINTENANCE. KEYS TO LOCKED ACCESS POINTS OR

STRUCTURES SHALL BE MADE AVAILABLE TO THE COUNTY UPON REQUEST.

INSPECTION AND MAINTENANCE MEASURES:

GRASS SWALE & LEVEL SPREADER

· PERFORM YEARLY INSPECTIONS OF GRADED SIDE SLOPES FOR SIGNS OF

ANIMAL/RODENT BURROWS OR SLOPE EROSION. IMMEDIATELY PERFORM

NECESSARY REPAIRS, REFILLING OR RESEEDING.

· PERFORM YEARLY STRUCTURAL INSPECTIONS OF CONCRETE, RIP RAP, AND

PIPES. IMMEDIATELY PERFORM NECESSARY REPAIRS.

· PERFORM YEARLY OBSERVATIONS OF PERIMETER AREAS SURROUNDING

THE FACILITY TO ENSURE CHANGES IN LAND USE, TOPOGRAPHY OR ACCESS

HAVE NOT OCCURRED AND DO NOT AFFECT THE OPERATION, MAINTENANCE,

ACCESS OR SAFETY FEATURES AS PROVIDED.

· RECORD KEEPING. THE OWNER OR DESIGNATED REPRESENTATIVE SHALL

KEEP REASONABLE, ACCURATE WRITTEN RECORDS OF INSPECTIONS

PERFORMED. RECORDS SHALL DOCUMENT ROUTINE MAINTENANCE AND/OR

REPAIRS PERFORMED. COPIES SHALL BE PROVIDED TO THE COUNTY UPON

REQUEST.

· PERFORM YEARLY STRUCTURAL INSPECTIONS OF THE FACILITIES FOR

DAMAGE. IF DAMAGE IS EVIDENT, FURTHER INVESTIGATION BY A

PROFESSIONAL ENGINEER MAY BE REQUIRED TO ASSESS THE INTEGRITY OF

THE STRUCTURE.

GRASS SWALE & CHECK DAMS

1. VEGETATION: A DENSE AND VIGOROUS GRASS COVER SHOULD BE

MAINTAINED IN A GRASSED SWALE. PERIODIC MOWING IS REQUIRED (AT

LEAST TWICE A YEAR) TO KEEP THE SWALE OPERATING PROPERLY. GRASS

SHOULD NEVER BE CUT TO A HEIGHT LESS THAN 3 INCHES. STABILIZATION

AND RESEEDING OF BARE SPOTS SHOULD BE PERFORMED AT THE SAME

TIME.

2. CHECK DAMS: PERIODIC REMOVAL OF SEDIMENT ACCUMULATED BEHIND

THE CHECK DAMS SHOULD BE PERFORMED AS NECESSARY (EVERY SIX

MONTHS AT MINIMUM).

3. DEBRIS AND LITTER REMOVAL: THE ACCUMULATION OF DEBRIS SUCH AS

TRASH, GRASS CLIPPINGS, ETC. IN THE GRASS SWALE AND BEHIND CHECK

DAMS SHALL BE REMOVED PERIODICALLY (EVERY THREE MONTHS AT

MINIMUM) TO INSURE PROPER FUNCTION.

4. SEDIMENT REMOVAL: THE SEDIMENT THAT ACCUMULATES WITHIN THE

SWALE SHOULD BE MANUALLY REMOVED AND THE VEGETATION

REESTABLISHED. IF ACCUMULATED SEDIMENT HAS CLOGGED THE

SURFACE PORES OF THE SWALE, REDUCING OR ELIMINATING THE

INFILTRATION CAPACITY, THEN THE SURFACE SHOULD BE TILLED AND

REESTABLISHED.

LEVEL SPREADER

1. VEGETATION: A DENSE AND VIGOROUS GRASS COVER SHOULD BE

MAINTAINED ALONG THE EDGES AND ALONG THE LIP OF THE LEVEL

SPREADER. PERIODIC MOWING IS REQUIRED (AT LEAST ONCE A YEAR) TO

KEEP THE LEVEL SPREADER OPERATING PROPERLY. GRASS SHOULD

NEVER BE CUT TO A HEIGHT LESS THAN 3 INCHES. STABILIZATION AND

RESEEDING OF BARE SPOTS SHOULD BE PERFORMED AT THE SAME TIME.

2. DEBRIS AND LITTER REMOVAL: THE ACCUMULATION OF DEBRIS SUCH AS

TRASH, GRASS CLIPPINGS, ETC. IN THE RIP RAP OF THE LEVEL SPREADER

SHALL BE REMOVED PERIODICALLY (EVERY THREE MONTHS AT MINIMUM)

TO INSURE PROPER FUNCTION.

3. SEDIMENT REMOVAL: THE SEDIMENT THAT ACCUMULATES WITHIN THE RIP

RAP OF THE LEVEL SPREADER SHOULD BE MANUALLY REMOVED.

1. WORK MUST BE PERFORMED IN ACCORDANCE WITH RULES AND REGULATIONS OF GOVERNMENT AGENCIES HAVING JURISDICTION AND MUST CONFORM TO THE AMERICANS WITH DISABILITIES AND ARCHITECTURAL BARRIERS ACT ACCESSIBILITY STANDARDS (ABAAS), NFPA, CITY, COUNTY, STATE, AND FEDERAL CONSTRUCTION, SAFETY, AND SANITARY LAW, CODES, STATUTES, AND ORDINANCES.

2. ALL CONTRACTORS MUST BE RESPONSIBLE FOR VISITING THE SITE AND…