Att_06_Permit_Approved_SWM_Plans.pdf

TITLE OF SHEET

HAMPTON NATIONAL HISTORIC SITE

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I S T ERED

NO . 16 0 3 9

MDE NUMBER 24-SF-0094

Feet400020000 1000

COVER SHEET

AMalcolm Collin SWM auto

WOODHOUSEQUARTERS

FF=343.23

PORCH

GRAVEL

LSA

SIGN

STEPS

SLATE

WALK

STONE WALL

STOCKPILE AREA

ON EXISTING

PARKING AREA

ENSLAVED QUARTERS

MAINTENANCE AND

COURTYARD

IMPROVEMENTS

DOMESTIC SERVICE CLUSTER

MANSION

GARDEN MAINTENANCE

CLUSTER

STOCKPILE AREA

ON EXISTING

PARKING AREA

OVERSEER'S HOUSE

AND ACCESS

IMPROVEMENTS

C 6.001 C 6.006

C 6.002 C 6.007

C 6.003 C 6.008

C 3.002 C 4.002C 6.005

C 6.010

C 3.001 C 4.001 C 5.001

C 6.004 C 6.009

EM

Hampton Ln

St. Francis Rd

TITLE OF SHEET

HAMPTON NATIONAL HISTORIC SITE

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I S T ERED

NO . 16 0 3 9

MDE NUMBER 24-SF-0094

PROJECT NARRATIVE

LIMIT OF DISTURBANCE

KEYMAP AND

STAGING NARRATIVE

CZ

CZ

TMS

150 0 150 300

SCALE OF FEET

SCALE

1" = 150'

ASSUMPTIONS

ASSUMES ALL WORK WILL BE CONDUCTED BY THE SAME GENERAL

CONTRACTOR UTILIZING CENTRALIZED STOCKPILE AREAS TO

SUPPORT ALL THE WORK UNDER THE CONTRACT DOCUMENTS.

LEGEND

C2.001

PROPERTY LINE

THIS PROJECT WILL REHABILITATE UP TO 14 HISTORIC STRUCTURES,

ONE GROUP OF HISTORIC STRUCTURES AND THEIR SURROUNDINGS,

INCLUDING THE ENSLAVED QUARTERS, OVERSEER'S HOUSE,

MANSION, GREENHOUSES AND OTHER BUILDINGS.

OVERSEER’S HOUSE

· NEW ADA PATH

· DEMOLITION OF PATH TO MECHANICAL LIFT

· DEMOLITION/REMOVAL OF MECHANICAL LIFT

· UNSIZE EXISTING WATERLINE FROM OVERSEER’S HOUSE TO ST.

FRANCIS ROAD

· ADD CONDUIT FOR HARD-WIRED ALARM AND POWER TO MULE

BARN

· ROAD MAINTENANCE WORK FROM ST. FRANCIS ROAD TO

OVERSEER’S HOUSE

ENSLAVED QUARTERS – COURTYARD IMPROVEMENTS

· REMOVAL OF OVERSEER’S HOUSE ADDITION AND FINAL

STABILIZATION OF THE AREA

· EXTENDING UTILITIES

DOMESTIC CLUSTER IMPROVEMENTS

· FINE GRADING FOR DRAINAGE, LOCAL SWALES AROUND

CLUSTER BUILDINGS

· 50 LF ELECTRIC CONDUIT RELOCATION (ASSUME 2-WAY 4” PVC

CONCRETE ENCASED – TO BE CONFIRMED WITH TEST PIT)

· INCLUDE FINE GRADING BY HAND THROUGHOUT WORK AREA

MANSION

· INTERNAL IMPROVEMENTS

· PAVERS TO BE RESET

· ROAD MAINTENANCE WORK FROM GARDEN MAINTENANCE

BUILDINGS TO THE MANSION

GARDEN MAINTENANCE BUILDINGS

· GARDEN MAINTENANCE ROAD REHABILITATION WITH FULL

DEPTH

· ASSUME DRY UTILITIES WILL NEED TO BE REPLACED WITH FULL

DEPTH PAVEMENT REHABILITATION

· ROAD MAINTENANCE WORK FROM PARKING LOT TO GARDEN

MAINTENANCE CLUSTER

Collin Green Custom

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I S T ERED

NO . 16 0 3 9

MDE NUMBER 24-SF-0094

ABAN ABANDON

AC ACRE(S)

ACR ACCESSIBLE CURB RAMP

APPROX APPROXIMATE

BIT BITUMINOUS

BS BOTTOM OF SLOPE

CN CURVE NUMBER

CONC CONCRETE

DA DRAINAGE AREA

DIA DIAMETER

EL ELEVATION

ELEV ELEVATION

ESD ENVIRONMENTAL SITE DESIGN

EXIST EXISTING

FFE FIRST FLOOR ELEVATION

FT FEET

IN INCH(ES)

LA LANDSCAPE AREA

LOD LIMIT OF DISTURBANCE

MAX MAXIMUM

MIN MINIMUM

NTS NOT TO SCALE

NGVD NATIONAL GEODETIC VERTICAL DATUM

PERF PERFORATED

PROP PROPOSED

PSI POUNDS PER SQUARE INCH

R RADIUS

R.O.W. RIGHT-OF-WAY

R/W RIGHT-OF-WAY

REM REMOVE

RET RETAIN

R&D REMOVE AND DISPOSE

R&R REMOVE AND RESET

SHA STATE HIGHWAY ADMINISTRATION

SF SILT FENCE

SSF SUPER SILT FENCE

TC TOP OF CURB

TC TIME OF CONCENTRATION

TYP TYPICAL

AGIP AT-GRADE INLET PROTECTION

CB CATCH BASIN

CMP CORRUGATED METAL PIPE

CIP CURB INLET PROTECTION

CO CLEANOUT

COG CURB OPENING ON GRADE

COIP COMBINATION INLET PROTECTION

COS CURB OPENING IN SUMP

DCB DOUBLE CATCH BASIN

DMH DRAIN MANHOLE

DI DRAIN INLET

CIP CAST IRON PIPE

COND CONDUIT

DIP DUCTILE IRON PIPE

E ELECTRIC

ED EXTENDED DETENTION

ES END SECTION

ET ELECTRIC TRANSFORMER

EW END WALL

FES FLARED END SECTION

FOG FATS, OILS, AND GREASES

F&G FRAME AND GRATE

F&C FRAME AND COVER

FM FORCE MAIN

GI GUTTER INLET

GIP GRATE INLET PROTECTION

GT GREASE TRAP

HDPE HIGH DENSITY POLYETHYLENE PIPE

HH HANDHOLE

HPSV HIGH PRESSURE SODIUM VAPOR

HW HEADWALL

HYD HYDRANT

INV INVERT ELEVATION

I= INVERT ELEVATION

LP LIGHT POLE

MES METAL END SECTION

OHE OVERHEAD ELECTRIC

OHT OVERHEAD TELEPHONE

PWW PAVED WATER WAY

PVC POLYVINYLCHLORIDE PIPE

PIV POST INDICATOR VALVE

PS PERMANENT SEEDING

RCP REINFORCED CONCRETE PIPE

RD ROOF DRAIN

R= RIM ELEVATION

SDMH STORM DRAIN MANHOLE

SF SILT FENCE

SIP STANDARD INLET PROTECTION

SMH SEWER MANHOLE

SS SANITARY SEWER

TP TREE PROTECTION

TS TEMPORARY SEEDING

TSOS TEMPORARY STONE OUTLET STRUCTURE

TSV TAPPING SLEEVE, VALVE AND BOX

UG UNDERGROUND

UGT UNDERGROUND TELEPHONE

UP UTILITY POLE

W WATER/ WATT

WSSC WASHINGTON SUBURBAN SANITARY COMMISSION

YDI YARD DRAIN INLET

ABBREVIATIONS

General

Utility

GENERAL NOTES

AND LEGENDC2.002

CONC. CURB AND GUTTER (REVERSE)

QUAD LUMINAIRE

DOUBLE LUMINAIRE

SINGLE LUMINAIRE

DRAIN INLET (D|)

UTILITY POLE

WATER GATE (WG)

TRANSFORMER PAD

LIGHT POLE

GAS GATE (GG)

FIRE HYDRANT (HYD)

WATER MANHOLE

ELECTRIC MANHOLE

SEWER MANHOLE (SMH)

DRAIN MANHOLE (DMH)

ELECTRIC BOX

TELEPHONE MANHOLE (TMH)

MANHOLE (MH)

GAS METER

DRAINAGE LINE

SEWER LINE

WATER LINE

TELEPHONE LINE

OVERHEAD WIRE

TRIPLE LUMINAIRE

MINOR CONTOUR

MAJOR CONTOUR

TREE LINE

CHAIN LINK FENCE

GRAVEL ROAD

CONC. CURB AND GUTTER

EDGE OF PAVEMENT

SAWCUT

CONC. PAVEMENT

CROSSWALK

HEAVY DUTY PAVEMENT

ADA RAMP

PARKING COUNT

BOLLARD

SIGN

NORMAL PAVEMENT

EASEMENT

RIGHT-OF-WAY/PROPERTY LINE

BUILDING SETBACK

PROJECT LIMIT LINE

ADA PARKING

VAN-ACCESSIBLE ADA PARKING

LEGEND

LIMIT OF DISTURBANCE

HAULING ROUTE

NOTES

GENERAL

1. CONTRACTOR SHALL NOTIFY "MISS UTILITY" (1-800-257-7777) AT LEAST 72 HOURS BEFORE

EXCAVATING.

2. CONTRACTOR SHALL BE RESPONSIBLE FOR SITE SECURITY AND JOB SAFETY.

CONSTRUCTION ACTIVITIES SHALL BE IN ACCORDANCE WITH OSHA STANDARDS AND LOCAL

REQUIREMENTS.

3. ACCESSIBLE ROUTES, PARKING SPACES, RAMPS, SIDEWALKS AND WALKWAYS SHALL BE

CONSTRUCTED IN CONFORMANCE WITH THE FEDERAL AMERICANS WITH DISABILITIES ACT

AND WITH STATE AND LOCAL LAWS AND REGULATIONS (WHICHEVER ARE MORE STRINGENT).

4. AREAS DISTURBED DURING CONSTRUCTION AND NOT RESTORED WITH IMPERVIOUS

SURFACES (BUILDINGS, PAVEMENTS, WALKS, ETC.) SHALL RECEIVE 4" INCHES LOAM AND

SEED.

5. WITHIN THE LIMITS OF THE BUILDING FOOTPRINT, THE SITE CONTRACTOR SHALL

PERFORM EARTHWORK OPERATIONS REQUIRED UP TO SUBGRADE ELEVATIONS.

6. WORK WITHIN THE LOCAL RIGHTS-OF-WAY SHALL CONFORM TO LOCAL MUNICIPAL

STANDARDS. WORK WITHIN STATE RIGHTS-OF-WAY SHALL CONFORM TO THE LATEST EDITION

OF THE STATE HIGHWAY DEPARTMENTS STANDARD SPECIFICATIONS FOR HIGHWAYS AND

BRIDGES.

7. UPON AWARD OF CONTRACT, CONTRACTOR SHALL MAKE NECESSARY CONSTRUCTION

NOTIFICATIONS AND APPLY FOR AND OBTAIN NECESSARY PERMITS, PAY FEES, AND POST

BONDS ASSOCIATED WITH THE WORK INDICATED ON THE DRAWINGS, IN THE SPECIFICATIONS,

AND IN THE CONTRACT DOCUMENTS. DO NOT CLOSE OR OBSTRUCT ROADWAYS, SIDEWALKS,

AND FIRE HYDRANTS, WITHOUT APPROPRIATE PERMITS.

8. TRAFFIC SIGNAGE AND PAVEMENT MARKINGS SHALL CONFORM TO THE MANUAL OF

UNIFORM TRAFFIC CONTROL DEVICES.

9. AREAS OUTSIDE THE LIMITS OF PROPOSED WORK DISTURBED BY THE CONTRACTOR'S

OPERATIONS SHALL BE RESTORED BY THE CONTRACTOR TO THEIR ORIGINAL CONDITION AT

THE CONTRACTOR'S EXPENSE.

10. IN THE EVENT THAT SUSPECTED CONTAMINATED SOIL, GROUNDWATER, AND OTHER

MEDIA ARE ENCOUNTERED DURING EXCAVATION AND CONSTRUCTION ACTIVITIES BASED ON

VISUAL, OLFACTORY, OR OTHER EVIDENCE, THE CONTRACTOR SHALL STOP WORK IN THE

VICINITY OF THE SUSPECT MATERIAL TO AVOID FURTHER SPREADING OF THE MATERIAL, AND

SHALL NOTIFY THE OWNER IMMEDIATELY SO THAT THE APPROPRIATE TESTING AND

SUBSEQUENT ACTION CAN BE TAKEN.

11. CONTRACTOR SHALL PREVENT DUST, SEDIMENT, AND DEBRIS FROM EXITING THE SITE

AND SHALL BE RESPONSIBLE FOR CLEANUP, REPAIRS AND CORRECTIVE ACTION IF SUCH

OCCURS.

12. DAMAGE RESULTING FROM CONSTRUCTION LOADS SHALL BE REPAIRED BY THE

CONTRACTOR AT NO ADDITIONAL COST TO OWNER.

13. CONTRACTOR SHALL CONTROL STORMWATER RUNOFF DURING CONSTRUCTION TO

PREVENT ADVERSE IMPACTS TO OFF SITE AREAS, AND SHALL BE RESPONSIBLE TO REPAIR

RESULTING DAMAGES, IF ANY, AT NO COST TO OWNER.

14. THIS PROJECT DISTURBS MORE THAN ONE ACRE OF LAND REQUIRES A GENERAL PERMIT

FOR STORMWATER ASSOCIATED WITH CONSTRUCTION ACTIVITY THROUGH MARYLAND

DEPARTMENT OF THE ENVIRONMENT (MDE). PRIOR TO THE START OF CONSTRUCTION

CONTRACTOR MUST APPLY FOR A GENERAL PERMIT WITH THE MDE AND PREPARE A

STORMWATER POLLUTION PREVENTION PLAN IN ACCORDANCE WITH THE NPDES

REGULATIONS.

UTILITIES

1. THE LOCATIONS, SIZES, AND TYPES OF EXISTING UTILITIES ARE SHOWN AS AN

APPROXIMATE REPRESENTATION ONLY. THE OWNER OR IT'S REPRESENTATIVE(S) HAVE NOT

INDEPENDENTLY VERIFIED THIS INFORMATION AS SHOWN ON THE PLANS. THE UTILITY

INFORMATION SHOWN DOES NOT GUARANTEE THE ACTUAL EXISTENCE, SERVICEABILITY, OR

OTHER DATA CONCERNING THE UTILITIES, NOR DOES IT GUARANTEE AGAINST THE

POSSIBILITY THAT ADDITIONAL UTILITIES MAY BE PRESENT THAT ARE NOT SHOWN ON THE

PLANS. PRIOR TO ORDERING MATERIALS AND BEGINNING CONSTRUCTION, THE CONTRACTOR

SHALL VERIFY AND DETERMINE THE EXACT LOCATIONS, SIZES, AND ELEVATIONS OF THE

POINTS OF CONNECTIONS TO EXISTING UTILITIES AND, SHALL CONFIRM THAT THERE ARE NO

INTERFERENCES WITH EXISTING UTILITIES AND THE PROPOSED UTILITY ROUTES, INCLUDING

ROUTES WITHIN THE PUBLIC RIGHTS OF WAY.

2. WHERE AN EXISTING UTILITY IS FOUND TO CONFLICT WITH THE PROPOSED WORK, OR

EXISTING CONDITIONS DIFFER FROM THOSE SHOWN SUCH THAT THE WORK CANNOT BE

COMPLETED AS INTENDED, THE LOCATION, ELEVATION, AND SIZE OF THE UTILITY SHALL BE

ACCURATELY DETERMINED WITHOUT DELAY BY THE CONTRACTOR, AND THE INFORMATION

FURNISHED IN WRITING TO THE OWNER'S REPRESENTATIVE FOR THE RESOLUTION OF THE

CONFLICT AND CONTRACTOR'S FAILURE TO NOTIFY PRIOR TO PERFORMING ADDITIONAL

WORK RELEASES OWNER FROM OBLIGATIONS FOR ADDITIONAL PAYMENTS WHICH

OTHERWISE MAY BE WARRANTED TO RESOLVE THE CONFLICT.

3. SET CATCH BASIN RIMS, AND INVERTS OF SEWERS, DRAINS, AND DITCHES IN

ACCORDANCE WITH ELEVATIONS ON THE GRADING AND UTILITY PLANS.

4. RIM ELEVATIONS FOR DRAIN AND SEWER MANHOLES, WATER VALVE COVERS, GAS GATES,

ELECTRIC AND TELEPHONE PULL BOXES, AND MANHOLES, AND OTHER SUCH ITEMS, ARE

APPROXIMATE AND SHALL BE SET/RESET AS FOLLOWS:

A. PAVEMENTS AND CONCRETE SURFACES: FLUSH

B. ALL SURFACES ALONG ACCESSIBLE ROUTES: FLUSH

C. LANDSCAPE, LOAM AND SEED, AND OTHER EARTH SURFACE AREAS: ONE INCH

ABOVE SURROUNDING AREA AND TAPER EARTH TO THE RIM ELEVATION.

5. THE LOCATION, SIZE, DEPTH, AND SPECIFICATIONS FOR CONSTRUCTION OF PROPOSED

PRIVATE UTILITY SERVICES SHALL BE INSTALLED ACCORDING TO THE REQUIREMENTS

PROVIDED BY, AND APPROVED BY, THE RESPECTIVE UTILITY COMPANY (GAS, TELEPHONE,

ELECTRIC, FIRE ALARM, ETC.). FINAL DESIGN LOADS AND LOCATIONS TO BE COORDINATED

WITH OWNER AND ARCHITECT.

6. CONTRACTOR SHALL MAKE ARRANGEMENTS FOR AND SHALL BE RESPONSIBLE FOR

PAYING FEES FOR POLE RELOCATION AND FOR THE ALTERATION AND ADJUSTMENT OF GAS,

ELECTRIC, TELEPHONE, FIRE ALARM, AND ANY OTHER PRIVATE UTILITIES, WHETHER WORK IS

PERFORMED BY CONTRACTOR OR BY THE UTILITIES COMPANY.

7. UTILITY PIPE MATERIALS SHALL BE AS FOLLOWS, UNLESS OTHERWISE NOTED ON THE

PLAN:

A. WATER PIPES SHALL BE PVC FOR PIPES GREATER THAN 3 INCHES, AND TYPE K

COPPER FOR PIPES LESS THAN OR EQUAL TO 3 INCHES.

B. SANITARY SEWER PIPES SHALL BE POLYVINYL CHLORIDE (PVC) SEWER PIPE, SDR

C. STORM DRAINAGE PIPES SHALL BE CORRUGATED HDPE WITH SMOOTH INTERIOR.

D. PIPE INSTALLATION AND MATERIALS SHALL COMPLY WITH THE STATE PLUMBING

CODE WHERE APPLICABLE. CONTRACTOR SHALL COORDINATE WITH LOCAL PLUMBING

INSPECTOR PRIOR TO BEGINNING WORK.

8. CONTRACTOR SHALL COORDINATE WITH ELECTRICAL CONTRACTOR AND SHALL FURNISH

EXCAVATION, INSTALLATION, AND BACKFILL OF ELECTRICAL FURNISHED SITEWORK RELATED

ITEMS SUCH AS PULL BOXES, CONDUITS, DUCT BANKS, LIGHT POLE BASES, AND CONCRETE

PADS. SITE CONTRACTOR SHALL FURNISH CONCRETE ENCASEMENT OF DUCT BANKS IF

REQUIRED BY THE UTILITY COMPANY AND AS INDICATED ON THE DRAWINGS.

9. CONTRACTOR SHALL EXCAVATE AND BACKFILL TRENCHES FOR GAS IN ACCORDANCE

WITH GAS COMPANY'S REQUIREMENTS.

10. ALL DRAINAGE AND SANITARY STRUCTURE INTERIOR DIAMETERS (4' MIN.) SHALL BE

DETERMINED BY THE MANUFACTURER BASED ON THE PIPE CONFIGURATIONS SHOWN ON

THESE PLANS AND LOCAL MUNICIPAL STANDARDS. FOR MANHOLES THAT ARE 20 FEET IN

DEPTH AND GREATER, THE MINIMUM DIAMETER SHALL BE 5 FEET.

LAYOUT AND MATERIALS

1. DIMENSIONS ARE FROM THE FACE OF CURB, FACE OF BUILDING, FACE OF WALL, AND

CENTER LINE OF PAVEMENT MARKINGS, UNLESS OTHERWISE NOTED.

2. CURB RADII ARE 15' FEET UNLESS OTHERWISE NOTED.

3. CURBING SHALL BE MARYLAND DEPARTMENT OF TRANSPORTATION STANDARD

CONCRETE CURB TYPE A WITHIN THE SITE UNLESS OTHERWISE INDICATED ON THE PLANS.

4. SEE ARCHITECTURAL DRAWINGS FOR EXACT BUILDING DIMENSIONS AND DETAILS

CONTIGUOUS TO THE BUILDING, INCLUDING SIDEWALKS, RAMPS, BUILDING ENTRANCES,

STAIRWAYS, UTILITY PENETRATIONS, CONCRETE DOOR PADS, COMPACTOR PAD, LOADING

DOCKS, BOLLARDS, ETC.

5. PROPOSED BOUNDS AND ANY EXISTING PROPERTY LINE MONUMENTATION DISTURBED

DURING CONSTRUCTION SHALL BE SET OR RESET BY A PROFESSIONAL LICENSED SURVEYOR.

6. PRIOR TO START OF CONSTRUCTION, CONTRACTOR SHALL VERIFY EXISTING PAVEMENT

ELEVATIONS AT INTERFACE WITH PROPOSED PAVEMENTS, AND EXISTING GROUND

ELEVATIONS ADJACENT TO DRAINAGE OUTLETS TO ASSURE PROPER TRANSITIONS BETWEEN

EXISTING AND PROPOSED FACILITIES.

7. SYMBOLS AND LEGENDS OF PROJECT FEATURES ARE GRAPHIC REPRESENTATIONS AND

ARE NOT NECESSARILY SCALED TO THEIR ACTUAL DIMENSIONS OR LOCATIONS ON THE

DRAWINGS. THE CONTRACTOR SHALL REFER TO THE DETAIL SHEET DIMENSIONS,

MANUFACTURERS' LITERATURE, SHOP DRAWINGS AND FIELD MEASUREMENTS OF SUPPLIED

PRODUCTS FOR LAYOUT OF THE PROJECT FEATURES.

8. CONTRACTOR SHALL NOT RELY SOLELY ON ELECTRONIC VERSIONS OF PLANS,

SPECIFICATIONS, AND DATA FILES THAT ARE OBTAINED FROM THE DESIGNERS, BUT SHALL

VERIFY LOCATION OF PROJECT FEATURES IN ACCORDANCE WITH THE PAPER COPIES OF THE

PLANS AND SPECIFICATIONS THAT ARE SUPPLIED AS PART OF THE CONTRACT DOCUMENTS.

DEMOLITION

1. CONTRACTOR SHALL REMOVE AND DISPOSE OF EXISTING MANMADE SURFACE FEATURES

WITHIN THE LIMIT OF WORK INCLUDING BUILDINGS, STRUCTURES, PAVEMENTS, SLABS,

CURBING, FENCES, UTILITY POLES, SIGNS, ETC. UNLESS INDICATED OTHERWISE ON THE

DRAWINGS. REMOVE AND DISPOSE OF EXISTING UTILITIES, FOUNDATIONS AND UNSUITABLE

MATERIAL BENEATH AND FOR A DISTANCE OF 10 FEET BEYOND THE PROPOSED BUILDING

FOOTPRINT INCLUDING EXTERIOR COLUMNS.

2. EXISTING UTILITIES SHALL BE TERMINATED, UNLESS OTHERWISE NOTED, IN

CONFORMANCE WITH LOCAL, STATE AND INDIVIDUAL UTILITY COMPANY STANDARD

SPECIFICATIONS AND DETAILS. THE CONTRACTOR SHALL COORDINATE UTILITY SERVICE

DISCONNECTS WITH THE UTILITY REPRESENTATIVES.

3. CONTRACTOR SHALL DISPOSE OF DEMOLITION DEBRIS IN ACCORDANCE WITH

APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS, ORDINANCES AND STATUTES.

EROSION CONTROL

1. PRIOR TO STARTING ANY OTHER WORK ON THE SITE, THE CONTRACTOR SHALL NOTIFY

APPROPRIATE AGENCIES AND SHALL INSTALL EROSION CONTROL MEASURES AS SHOWN ON

THE PLANS AND AS IDENTIFIED IN FEDERAL, STATE, AND LOCAL APPROVAL DOCUMENTS

PERTAINING TO THIS PROJECT.

2. CONTRACTOR SHALL INSPECT AND MAINTAIN EROSION CONTROL MEASURES, AND

REMOVE SEDIMENT THEREFROM ON A WEEKLY BASIS AND WITHIN TWELVE HOURS AFTER

EACH STORM EVENT AND DISPOSE OF SEDIMENTS IN AN UPLAND AREA SUCH THAT THEY DO

NOT ENCUMBER OTHER DRAINAGE STRUCTURES AND PROTECTED AREAS.

3. CONTRACTOR SHALL BE FULLY RESPONSIBLE TO CONTROL CONSTRUCTION SUCH THAT

SEDIMENTATION SHALL NOT AFFECT REGULATORY PROTECTED AREAS, WHETHER SUCH

SEDIMENTATION IS CAUSED BY WATER, WIND, OR DIRECT DEPOSIT.

4. CONTRACTOR SHALL PERFORM CONSTRUCTION SEQUENCING SUCH THAT EARTH

MATERIALS ARE EXPOSED FOR A MINIMUM OF TIME BEFORE THEY ARE COVERED, SEEDED,

OR OTHERWISE STABILIZED TO PREVENT EROSION.

5. UPON COMPLETION OF CONSTRUCTION AND ESTABLISHMENT OF PERMANENT GROUND

COVER, CONTRACTOR SHALL REMOVE AND DISPOSE OF EROSION CONTROL MEASURES AND

CLEAN SEDIMENT AND DEBRIS FROM ENTIRE DRAINAGE AND SEWER SYSTEMS.

EXISTING CONDITIONS INFORMATION

1. BASE PLAN: THE PROPERTY LINES SHOWN WERE OBTAINED FROM PUBLICLY AVAILABLE

GIS DATA. THE TOPOGRAPHY AND PHYSICAL FEATURES ARE BASED ON AN ACTUAL FIELD

SURVEY PERFORMED ON THE GROUND BY VHB.

2. TOPOGRAPHY: ELEVATIONS ARE BASED ON NAVD 88

352353

33534

33633

34634

345346

STONE BUILDING

MULE BARN

ST

ON

E /

FR

AM

ED

BU

ILD

IN

G

STONE / FRAMED

BUILDING STONE BUILDING

STONE

STRUCTURE

STONE

BUILDING

STONE

BUILDING

STONE

BUILDING

DAIRY

FF=345.68

FF=343.48 FF=343.40

FF=343.40

FF=343.51

FF=349.53FF=350.49

FF=351.20

FF=343.23

FF=

4.4

FF=331.81

DECK

PORCH

PO

RC

H

PO

RC

H

PORCH

ROOF

OVERHANG

DECK

ASPHALT

SPLIT RAIL

FENCE

3' PICKET

FENCE

3' PICKET

FENCE

GRAVEL

GR

AV

EL

GRAVEL

GRAVEL

GRAVEL

INFO. BOX

BRICK STRUCTURE

WITH METAL

TROUGH

SIGN

SIGN

SIGN

SIGN

STEPS

STEPS

STEPS

STEPS

STEPSSTEPS

STEPS

STEPS

24" TREE

12" TREE

30" MAPLE

12" MAPLE

18" MAPLE

SLATE WALK

SLATE

WALK

STONE WALL

STONE WALL

STONE WALL

WATERLINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

GAS LINE

PAINT MARKING

WATERLINE

PAINT MARKING

GAS LINE

PAINT MARKING

WATERLINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

COMM. LINE

PAINT MARKING

COMM. LINE

PAINT MARKING

SEWER MH

RIM=344.01

IRON ROD SET

N:639089.9790 E:1428883.3610

EL:351.34

IRON ROD SET

N:638809.7200 E:1429144.3500

EL:336.40

IRON ROD SET

N:639205.2980 E:1429246.4480

EL:342.78 1 OVERSEER'S HOUSE (FARM HOUSE)

3 ENSLAVED QUARTERS 2

4 ENSLAVED QUARTERS 3

LONG HOUSE

GRANARY

LOG ENSLAVED QUARTERS

Saint Francis Rd

Hampton Ln

LIMITS OF FIELD RUN

SURVEY (TYP)

CONDUCTED BY VHB

ON 08/04/2023

APPROXIMATE LIMITS

OF PROPERTY LINE

PER PUBLICLY

AVAILABLE RECORDS

TITLE OF SHEET

HAMPTON NATIONAL HISTORIC SITE

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I S T ERED

NO . 16 0 3 9

MDE NUMBER 24-SF-0094

60 0 60 120

SCALE OF FEET

SCALE

1" = 60'

OVERALL EXISTING

CONDITIONS PLANC3.001

LEGEND

PROPERTY LINE

LIMIT OF FIELD RUN SURVEY

BOLLARD

SIGN

PATH

TREE LINE

WOOD FENCE

MINOR CONTOUR

MAJOR CONTOUR

GRAVEL ROAD

EDGE OF PAVEMENT

CONCRETE

SLATE

GRAVEL

BRICK

DRAINAGE LINE

SEWER LINE

OVERHEAD WIRE

WATER LINE

GAS LINE

UNDERGROUND ELECTRIC

COMMUNICATION LINE

YARD INLET (YDI)

DRAIN MANHOLE CONCENTRIC

HEADWALL

SEWER MANHOLE CONCENTRIC

SEWER CLEANOUT

WATER VALVE & BOX

FIRE HYDRANT

WATER METER

WATER WELL

GAS METER

ELECTRIC METER

GROUND LIGHT

TRANSFORMER PAD

UTILITY POLE

403404

405404

396397

839940140

377378

9 35

372 37

WOODHOUSEQUARTERS

WM

WM

FRAMED

GARAGE

SHED

STORAGE

SHED

SHED

PRIVIES

STONE

BUILDING

MANSION

SHED

ORANGERY

METAL

BUILDING

WOOD

BUILDING

FRAMED

BUILDING

FRAMED

BUILDING

GARDEN

MAINT.

STONE

BUILDING

STONEBUILDING

FF=408.23FF=408.52 FF=410.85

FF=410.82

FF=418.86

FF=414.00

FF=410.65

FF=410.69

FF=408.22

FF=408.24

FF=371.67

FF=

.19

FF=366.69

FF=366.70

FF=358.66

RAMP

PORCH

PORCH

FRAMEDBUILDING

BOLLARD

(TYP.)

BOLLARD

(TYP.)

COLUMN

(TYP.)

CONC.

DRIVECONC.

WALK

CONC.

PAD

CONC.

PAD

ASPHALT

ASPHALT

ASPHALT

PAVEMENT

PATCH (TYP.)

8' PRIVACY

FENCE POST W/

ROPE FENCE

GRAVEL

GR

AV

EL

GRA

VEL

HEDGE ROW

LSA

RIP RAP

RIP RAP

RIP RAP

RIP RAP

RIP RAP

SIGN

STEPS

ST

EP

S

STEPS

STEPS STEPS

STEPS

STEPS

STEPS

STEPS

STEPS

STEPS

STEPS

36" TREE

48" OAK

24" PINE

24" TREE

24" POPLAR

24" PINE

24" PINE

48" OAK

12" TREE 48" OAK

48" TREE

24" TREE

24" TREE

36" OAK

48" OAK

36" TREE

60" TREE

48" PINE

18" TREE

18" TREE 24" PINE

CRAPE

MYRTLE

CRAPE

MYRTLE 24" MAPLE

24" TREE

36" TREE

12" TREE

24" OAK

24" OAK

36" TREE 36" PINE

GRAVEL PATH

BRICK PATH

BRICK PATH

CONC. WALK

CONC. W

ALK

GRA

VEL

PA

TH

GRAVEL PATH

SLATE WALK

STONE WALL

STONE WALL

STONE WALL

STONE WALL

STONE WALL

STONE WALL

STONE WALL

STONE WALL

GAS LINE

PAINT MARKING

GAS LINE

PAINT MARKING

GAS LINE

PAINT MARKING

WATERLINE

PAINT MARKING

WATERLINE

PAINT MARKING

WATERLINE

PAINT MARKING

WATERLINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

COMM. LINE

PAINT MARKING

COMM. LINE

PAINT MARKING

SEWER MH

RIM=396.46

SEWER MH

RIM=403.43

SEWER MH

RIM=406.72

SEWER MH

RIM=352.57

UNK MH

RIM=404.71

UNK MH

RIM=406.22

UNK LINE

STORM YDI

RIM=395.70

STORM YDI

RIM=400.13

STORM YDI

RIM=400.81

STORM YDI

RIM=400.28

ROOF DRAIN

(TYP.)

30" RCP

INV=354.44

30" RCP

INV=353.95 RISER

RIM=357.16

12" RCP

INV=356.02

STORM MH

RIM=364.46

STORM DI

RIM=359.83

15" HDPE

INV=356.30

18" RCP

INV=357.62

6" PVC

INV=351.49

STORM DI

RIM=348.11

SUNDIAL

GARDEN

WELL FIELD

GREE

NHOUSE

GREENHOUSE 1

CARETAKER'SCOTTAGE

COLLECTIONS

STORAGE

LIMITS OF FIELD RUN

SURVEY (TYP)

CONDUCTED BY VHB

ON 08/04/2023

APPROXIMATE LIMITS

OF PROPERTY LINE

PER PUBLICLY

AVAILABLE RECORDS

APPROXIMATE LOCATION OF

UNCOVERED WOODSHED

FOUNDATION PER ARCHAEOLOGICAL

EXPLORATION DURING MAY OF 2024

TITLE OF SHEET

HAMPTON NATIONAL HISTORIC SITE

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I S T ERED

NO . 16 0 3 9

MDE NUMBER 24-SF-0094

60 0 60 120

SCALE OF FEET

SCALE

1" = 60'

OVERALL EXISTING

CONDITIONS PLANC3.002

LEGEND

PROPERTY LINE

LIMIT OF FIELD RUN SURVEY

BOLLARD

SIGN

PATH

TREE LINE

WOOD FENCE

MINOR CONTOUR

MAJOR CONTOUR

GRAVEL ROAD

EDGE OF PAVEMENT

CONCRETE

SLATE

GRAVEL

BRICK

DRAINAGE LINE

SEWER LINE

OVERHEAD WIRE

WATER LINE

GAS LINE

UNDERGROUND ELECTRIC

COMMUNICATION LINE

YARD INLET (YDI)

DRAIN MANHOLE CONCENTRIC

HEADWALL

SEWER MANHOLE CONCENTRIC

SEWER CLEANOUT

WATER VALVE & BOX

FIRE HYDRANT

WATER METER

WATER WELL

GAS METER

ELECTRIC METER

GROUND LIGHT

TRANSFORMER PAD

UTILITY POLE

STONE BUILDING

MULE BARN

ST

ON

E /

FR

AM

ED

BU

ILD

IN

G

STONE / FRAMED

BUILDING STONE BUILDING

STONE

STRUCTURE

STONE

BUILDING

FF=345.68

FF=343.48 FF=343.40

FF=343.40

FF=343.51

FF=349.53FF=350.49

FF=351.20

DECK

PO

RC

H

PO

RC

H

PORCH

ASPHALT

SPLIT RAIL

FENCE

3' PICKET

FENCE

3' PICKET

FENCE

GRAVEL

GR

AV

EL

INFO. BOX

BRICK STRUCTURE

WITH METAL

TROUGH

SIGN

SIGN

STEPS

STEPSSTEPS

STEPS

24" TREE

12" TREESLATE WALK

WATERLINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

GAS LINE

PAINT MARKING

WATERLINE

PAINT MARKING

GAS LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

COMM. LINE

PAINT MARKING

SEWER MH

RIM=344.01

IRON ROD SET

N:639089.9790 E:1428883.3610

EL:351.34

IRON ROD SET

N:639205.2980 E:1429246.4480

EL:342.78 1 OVERSEER'S HOUSE (FARM HOUSE)

3 ENSLAVED QUARTERS 2

4 ENSLAVED QUARTERS 3

LOG ENSLAVED QUARTERS

PROPERTY LINE

Saint Francis Rd

TEMPORARY STOCKPILE AREA

OVERSEER'S HOUSE

· NEW ADA PATH

· DEMOLITION OF PATH TO MECHANICAL LIFT

· DEMOLITION/REMOVAL OF MECHANICAL LIFT

WATERLINE UPGRADE

· UPSIZE EXISTING WATERLINE FROM

OVERSEER'S HOUSE TO ST FRANCIS ROAD

· EXISTING WATERLINE IS ASSUMED TO 3/4"

· UPSIZE WATERLINE IN SAME TRENCH TO BE

4" DUCT IRON PIPE

15' WIDE TRENCH,

ASSUMED DEPTH OF 5'

ELECTRICAL LINES TO

EXTEND INTO REMAINING

PORTION OF BASEMENT

AFTER DEMOLITION

EXTEND INTRUSION DETECTION

SYSTEM CONDUIT FROM

NEARBY BUILDINGS

EXISTING TREE TO REMAIN, AND SHALL BE

PROTECTED DURING CONSTRUCTION

LIMIT OF DISTURBANCE

CONDUIT FOR HARD-WIRED

FIRE ALARM AND POWER

TO MULE BARN

ENSLAVED QUARTERS - COURTYARD IMPROVEMENTS

· REMOVAL OF OVERSEER'S HOUSE ADDITION AND

FINAL STABILIZATION OF THE AREA

· EXTENDING UTILITIES

GAS LINE TO BE

RELOCATED AFTER

DEMOLITION

EXISTING FENCE TO BE

PROTECTED DURING

CONSTRUCTION

LIMITS OF FIELD RUN SURVEY (TYP)

CONDUCTED BY VHB ON

08/04/2023

LIMITS OF FIELD RUN SURVEY (TYP)

CONDUCTED BY VHB ON

08/04/2023

SEE C5.005 FOR

OVERSEER'S HOUSE

ADA PATH AREA

DRAIN DETAILS

APPROXIMATE LOCATION

OF EXISTING WATER METER.

EXISTING WATER METER TO

BE UPSIZED SIZE TBD.

10'

10'

14'

PROPOSED LANDSCAPING AREA

FOR SWM DESIGN (SEE 9.001 - 9.003

FOR PLANTING PLAN, DETAILS, AND

MAINTENANCE PLAN)

ST

ON

E /

FR

AM

ED

BU

ILD

IN

G

STONE / FRAMED

BUILDING STONE BUILDING

STONE

BUILDING

FF=345.68

FF=343.48 FF=343.40

FF=343.40

FF=343.51

FF=349.53FF=350.49

FF=351.20

FF=343.23

DECK

PORCH

PO

RC

H

PO

RC

H

PORCH

ASPHALT

3' PICKET

FENCE

3' PICKET

FENCE

GRAVEL

SIGN

SIGN

STEPS

STEPSSTEPS

STEPS

STEPS

12" TREESLATE WALK

SLATE

WALK

STONE WALL

SEWER MH

RIM=344.01

348.01 348.44

347.84

346.78

348.36

EXISTING

IMPERVIOUS

AREA

EXISTING PERVIOUS AREA

ST

ON

E /

FR

AM

ED

BU

ILD

IN

G

STONE / FRAMED

BUILDING STONE BUILDING

STONE

BUILDING

FF=345.68

FF=343.48 FF=343.40

FF=343.40

FF=343.51

FF=349.53FF=350.49

FF=351.20

DECK

PO

RC

H

PO

RC

H

PORCH

ASPHALT

3' PICKET

FENCE

3' PICKET

FENCE

SIGN

STEPS

STEPSSTEPS

STEPS

12" TREESLATE WALK

SEWER MH

RIM=344.01

348.01 348.44

347.84

346.78

348.36

4PROPOSED

IMPERVIOUS

AREA

PROPOSED

PERVIOUS AREA

PROPOSED

IMPERVIOUS

AREA

PROPOSED

PERVIOUS

AREA AFTER

DEMOLITION

4'

DEMOLITION

OF PATH TO

MECHANICAL

LIFT

SITE PLAN

C4.001

CZ

CZ

TMS

50 0 50 100

SCALE OF FEET

SCALE

1" = 50'

TITLE OF SHEET

HAMPTON NATIONAL HISTORIC SITE

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I S T ERED

NO . 16 0 3 9

MDE NUMBER 24-SF-0094

PRE-DEVELOPMENT LAND COVER

1" = 20'

POST-DEVELOPMENT IMPROVEMENTS

1" = 20'

OVERALL SITE PLAN

1" = 50'

LEGEND

LIMIT OF DISTURBANCE

LIMIT OF FIELD RUN SURVEY

ROADWAY APPLICATION MAINTENANCE - CHIP SEAL WITH WHITE AGGREGATE

ROADWAY APPLICATION MAINTENANCE - CRACK SEAL AND FOG SEAL

ROADWAY APPLICATION MAINTENANCE - FULL DEPTH REPLACEMENT IN-KIND. NO

DISTURBANCE TO SUBGRADE

PROPOSED ADA PATH

PROPOSED STONE PATH - SEE LANDSCAPE PLAN FOR DETAILS

PROPOSED WATER LINE

PROPOSED ELECTRIC LINE

PROPOSED GAS LINE

PROPOSED PERVIOUS AREA

PROPOSED IMPERVIOUS AREA

EXISTING PERVIOUS AREA

EXISTING IMPERVIOUS AREA

LOD AREA EXEMPTED FROM SWM REQUIREMENTS

SWM AREA SUMMARY TABLE

WM

FRAMED

GARAGE

SHED

STORAGE

SHED

SHED

PRIVIES

STONE

BUILDING

MANSION

SHED

ORANGERY

METAL

BUILDING

WOOD

BUILDING

FRAMED

BUILDING

FRAMED

BUILDING

GARDEN

MAINT.

STONE

BUILDING

STONEBUILDING

FF=408.23FF=408.52 FF=410.85

FF=410.82

FF=418.86

FF=414.00

FF=410.65

FF=410.69

FF=408.22

FF=408.24

FF=371.67

FF=

.19

FF=366.69

FF=366.70

FF=358.66

RAMP

PORCH

PORCH

FRAMEDBUILDING

BOLLARD

(TYP.)

BOLLARD

(TYP.)

COLUMN

(TYP.)

CONC.

DRIVECONC.

WALK

CONC.

PAD

CONC.

PAD

ASPHALT

ASPHALT

ASPHALT

PAVEMENT

PATCH (TYP.)

8' PRIVACY

FENCE POST W/

ROPE FENCE

GRAVEL

GR

AV

EL

GRA

VEL

HEDGE ROW

LSA

RIP RAP

RIP RAP

RIP RAP

RIP RAP

RIP RAP

SIGN

STEPS

ST

EP

S

STEPS

STEPS STEPS

STEPS

STEPS

STEPS

STEPS

STEPS

STEPS

STEPS

36" TREE

48" OAK

24" PINE

24" TREE

24" POPLAR

24" PINE

24" PINE

48" OAK

12" TREE 48" OAK

48" TREE

24" TREE

24" TREE

36" OAK

48" OAK

36" TREE

60" TREE

48" PINE

18" TREE

18" TREE 24" PINE

CRAPE

MYRTLE

CRAPE

MYRTLE 24" MAPLE

24" TREE

36" TREE

12" TREE

24" OAK

24" OAK

36" TREE 36" PINE

GRAVEL PATH

BRICK PATH

BRICK PATH

CONC. WALK

CONC. W

ALK

GRA

VEL

PA

TH

GRAVEL PATH

SLATE WALK

STONE WALL

STONE WALL

STONE WALL

STONE WALL

STONE WALL

STONE WALL

STONE WALL

STONE WALL

GAS LINE

PAINT MARKING

GAS LINE

PAINT MARKING

GAS LINE

PAINT MARKING

WATERLINE

PAINT MARKING

WATERLINE

PAINT MARKING

WATERLINE

PAINT MARKING

WATERLINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

COMM. LINE

PAINT MARKING

COMM. LINE

PAINT MARKING

SEWER MH

RIM=396.46

SEWER MH

RIM=403.43

SEWER MH

RIM=406.72

SEWER MH

RIM=352.57

UNK MH

RIM=404.71

UNK MH

RIM=406.22

UNK LINE

STORM YDI

RIM=395.70

STORM YDI

RIM=400.13

STORM YDI

RIM=400.81

STORM YDI

RIM=400.28

ROOF DRAIN

(TYP.)

IRON ROD SET

N:637037.1690 E:1428711.2210

EL:374.18

IRON ROD SET

N:637329.0790 E:1428710.0720

EL:400.40

IRON ROD SET

N:637589.9650 E:1428666.0460

EL:400.84

30" RCP

INV=354.44

30" RCP

INV=353.95 RISER

RIM=357.16

12" RCP

INV=356.02

STORM MH

RIM=364.46

STORM DI

RIM=359.83

15" HDPE

INV=356.30

18" RCP

INV=357.62

6" PVC

INV=351.49

SUNDIAL

GARDEN

WELL FIELD

GREE

NHOUSE

GREENHOUSE 1

CARETAKER'SCOTTAGE

COLLECTIONS

STORAGE

WOODHOUSEQUARTERS

MANSION INTERNAL IMPROVEMENTS

DOMESTIC CLUSTER IMPROVEMENTS

· FINE GRADING FOR DRAINAGE, LOCAL SWALES AROUND

CLUSTER BUILDINGS

· 50 LF ELECTRIC CONDUIT RELOCATION (ASSUME 2-WAY 4"

PVC CONCRETE ENCASED - TO BE CONFIRMED WITH TEST PIT)

· INCLUDE FINE GRADING BY HAND THROUGOUT WORK AREA

WORK ZONE B-3

GARDEN MAINTENANCE BUILDINGS

· GARDEN MAINTENANCE ROAD REHABILITATION

WITH FULL DEPTH

· ASSUME DRY UTILITIES WILL NEED TO BE REPLACED

WITH FULL DEPTH PAVEMENT REHABILITATION

ELECTRIC LINE TO

BE RELOCATED

EXISTING STORM TO

REMAIN AND SHALL BE

PROTECTED

INLET PROTECTION (TYP)

EXTERIOR IMPROVEMENTS

PAVERS TO BE RESET -

MAINTENANCE ACTIVITIES

SEE LANDSCAPE PLANS

FOR DETAILS

LOW PROFILE GRASSED

SWALE (TYPE) - SEE DETAIL

ON SHEET C5.005

LOW PROFILE

GRASSED SWALE

(TYP) - SEE DETAIL

ON SHEET C5.005

LIMIT OF

DISTURBANCE

LIMITS OF FIELD RUN SURVEY

(TYP) CONDUCTED BY VHB

ON 08/04/2023

LIMITS OF FIELD RUN SURVEY (TYP)

CONDUCTED BY VHB ON

08/04/2023

SEE C5.004 AND C5.005

FOR ENLARGED PLAN

AND DETAILS

GREENHOUSE #1

GREENHOUSE #2

PROPOSED

DOMESTIC

WATERLINE

PROPOSED SECURITY ROUTING

TO GREENHOUSES AND

COTTAGE FROM GARDEN

MAINTENANCE SECURITY PANEL

10' WIDE

TRENCH

PROPOSED SANITARY CONNECTION

FOR PROPOSED TOILET ROOMS AT

GREENHOUSE #1

ELECTRIC LINE TO

BE RELOCATED

LOWER VISITOR PARKING

ROUTE 0903

MANSION SERVICE PARKING

ROUTE 0900

GARDEN/ MAINTENANCE AREA

ROUTE 0902

ENTRANCE ROAD

ROUTE 0010ZZ

EM

10' WIDE TRENCH

TEMPORARY STOCKPILE

AREA (SEE EROSION AND

SEDIMENT CONTROL

PLAN FOR ADDITIONAL

INFORMATION)

AREA TO POI3

AREA TO POI3

AREA TO POI3

AREA TO POI3

AREA TO POI3

AREA TO POI3

AREA TO POI2

AREA TO POI2

Hampton Ln

MATCHLINE ON THIS SHEET

SITE PLAN

C4.002

CZ

CZ

TMS

50 0 50 100

SCALE OF FEET

SCALE

1" = 50'

TITLE OF SHEET

HAMPTON NATIONAL HISTORIC SITE

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I S T ERED

NO . 16 0 3 9

MDE NUMBER 24-SF-0094

NOTES

1. DRY UTILITIES SHOWN FOR REFERENCE ONLY. REFER TO

FIRE ALARM SITE PLAN AND ELECTRICAL SITE PLAN FOR

ADDITIONAL DETAILS ON ROUTING AND SIZING.

M

AT

CH

LI

N E

O N

T H

IS

S

H

EE

T

LEGEND

LIMIT OF DISTURBANCE

LIMIT OF FIELD RUN SURVEY

ROADWAY APPLICATION MAINTENANCE - CHIP SEAL WITH WHITE AGGREGATE

ROADWAY APPLICATION MAINTENANCE - CRACK SEAL AND FOG SEAL

ROADWAY APPLICATION MAINTENANCE - FULL DEPTH REPLACEMENT IN-KIND. NO

DISTURBANCE TO SUBGRADE

PROPOSED ADA PATH

PROPOSED STONE PATH - SEE LANDSCAPE PLAN FOR DETAILS

PROPOSED WATER LINE

PROPOSED ELECTRIC LINE

PROPOSED GAS LINE

PROPOSED PERVIOUS AREA

PROPOSED IMPERVIOUS AREA

EXISTING PERVIOUS AREA

EXISTING IMPERVIOUS AREA

LOD AREA EXEMPTED FROM SWM REQUIREMENTS

SWM AREA SUMMARY TABLE

SWM NOTES

1. ALL OF THE WORK AND DISTURBANCE ACTIVITIES ASSOCIATED WITH POI 2 IS UTILITY

MAINTENANCE ACTIVITIES AND FINE GRADING FOR LOCAL DRAINAGE RESULTING IN

NO CHANGE TO THE HYDROLOGIC CONDITION.

2. ALL OF THE WORK AND DISTURBANCE ACTIVITIES ASSOCIATED WITH POI 3 IS

ROADWAY MAINTENANCE ACTIVITIES AND UTILITY MAINTENANCE ACTIVITIES

RESULTING IN NO CHANGE TO THEY HYDROLOGIC CONDITION.

352353

33633

345346

0 32

STONE BUILDING

MULE BARN

ST

ON

E /

FR

AM

ED

BU

ILD

IN

G

STONE / FRAMED

BUILDING STONE BUILDING

STONE

STRUCTURE

STONE

BUILDING

STONE

BUILDING

FF=345.68

FF=343.48 FF=343.40

FF=343.40

FF=343.51

FF=349.53FF=350.49

FF=351.20

FF=343.23

DECK

PORCH

PO

RC

H

PO

RC

H

PORCH

ASPHALT

SPLIT RAIL

FENCE

3' PICKET

FENCE

3' PICKET

FENCE

GRAVEL

GR

AV

EL

GRAVEL

INFO. BOX

BRICK STRUCTURE

WITH METAL

TROUGH

SIGN

SIGN

SIGN

STEPS

STEPSSTEPS

STEPS

STEPS

24" TREE

12" TREESLATE WALK

SLATE

WALK

STONE WALL

WATERLINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

WATERLINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

COMM. LINE

PAINT MARKING

1 OVERSEER'S HOUSE (FARM HOUSE)

3 ENSLAVED QUARTERS 2

4 ENSLAVED QUARTERS 3

LONG HOUSE

LOG ENSLAVED QUARTERS

CkC

CnB

WhB

DA A1

DA = 2.83 AC

CN = 67

POI-1

LIMIT OF DISTURBANCE

TIME OF

CONCENTRATION

PATH

EXISTING FENCE

EXISTING TREE LINE

EXISTING

DRAINAGE AREA MAP - 1

C5.001

CZ

CZ

TMS

30 0 30 60

SCALE OF FEET

SCALE

1" = 30'

TITLE OF SHEET

HAMPTON NATIONAL HISTORIC SITE

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I ST ERED

NO . 16 0 39

MDE NUMBER 24-SF-0094

LEGEND

LIMIT OF DISTURBANCE

SOIL LINE

DRAINAGE AREA

TIME OF CONCENTRATION

STORMWATER MANAGEMENT NARRATIVE

396397

WOODHOUSEQUARTERS

WM

FRAMED

GARAGE

SHED

STORAGE

SHED

SHED

PRIVIES

STONE

BUILDING

MANSION

SHED

FF=408.23FF=408.52 FF=410.85

FF=410.82

FF=418.86

FF=414.00

FF=410.65

FF=410.69

FF=408.22

FF=408.24

RAMP

GRAVEL

GR

AV

EL

GRA

VEL

LSA

SIGN

STEPS STEPS

STEPS

STEPS

STEPS

STEPS

STEPS

STEPS

STEPS

24" PINE

48" OAK

12" TREE 48" OAK

48" TREE

24" TREE

24" TREE

36" OAK

48" OAK

36" TREE

60" TREE

48" PINE

GRAVEL PATH

BRICK PATH

BRICK PATH

CONC. WALK

GRAVEL PATH

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

UNK MH

RIM=406.22

ROOF DRAIN

(TYP.)

SUNDIAL

GARDEN

WELL FIELD

LIMIT OF DISTURBANCE

LIMIT OF DISTURBANCE

POI-2

LIMIT OF DISTURBANCE

DA B1

DA = 2.33 AC

CN = 61

TIME OF

CONCENTRATION

PATH

EXISTING

DRAINAGE AREA MAP - 2

C5.002

CZ

CZ

TMS

30 0 30 60

SCALE OF FEET

SCALE

1" = 30'

TITLE OF SHEET

HAMPTON NATIONAL HISTORIC SITE

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I ST ERED

NO . 16 0 39

MDE NUMBER 24-SF-0094

LEGEND

LIMIT OF DISTURBANCE

SOIL LINE

DRAINAGE AREA

TIME OF CONCENTRATION

STORMWATER MANAGEMENT NARRATIVE

352353

33633

345346

0 32

STONE BUILDING

MULE BARN

ST

ON

E /

FR

AM

ED

BU

ILD

IN

G

STONE / FRAMED

BUILDING STONE BUILDING

STONE

STRUCTURE

STONE

BUILDING

STONE

BUILDING

FF=345.68

FF=343.48 FF=343.40

FF=343.40

FF=343.51

FF=349.53FF=350.49

FF=351.20

DECK

PO

RC

H

PO

RC

H

PORCH

ASPHALT

SPLIT RAIL

FENCE

3' PICKET

FENCE

3' PICKET

FENCE

GRAVEL

GR

AV

EL

INFO. BOX

BRICK STRUCTURE

WITH METAL

TROUGH

SIGN

SIGN

STEPS

STEPSSTEPS

STEPS

24" TREE

12" TREESLATE WALK

WATERLINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

WATERLINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

COMM. LINE

PAINT MARKING

1 OVERSEER'S HOUSE (FARM HOUSE)

3 ENSLAVED QUARTERS 2

4 ENSLAVED QUARTERS 3

LONG HOUSE

LOG ENSLAVED QUARTERS

LIMIT OF DISTURBANCE

PROPOSED ADA PATH

CkC

CnB

WhB

POI-1

SEE C5.005 FOR

DRAINAGE DETAILS

TIME OF

CONCENTRATION

PATH

346 34

10+00

10+48.05

PI+10.60

ESD2 - SHEETFLOW TO

CONSERVATION AREA -

SEE C12.001-12.003 FOR

PLANTING PLAN, NOTES

AND DETAILS

ESD1 - DISCONNECTION

OF NON-ROOFTOP

RUNOFF

EXISTING FENCE

EXISTING TREE LINE

S1 °5

1'

"W

.0 0'

S7 °3

0'

"W

.0

0'

S2 2°

'3

7" W

6.0

0'

S74°24'27"E50.00'

N2 6°

'38

"E

2.0 0'

N43 °43

'06 "E

2.0

0'

N72°17'53"W

90.00'

S84°42'58"W 56.00'

TIME OF

CONCENTRATION

PATH

DA A1 TO ESD1

DA = 0.06 AC

CN = 67

DA A2 TO ESD2

DA = 1.00 AC

CN = 67

TIME OF

CONCENTRATION

PATH

GRADING AND

STORMWATER

MANAGEMENT PLAN - 1

C5.003

CZ

CZ

TMS

30 0 30 60

SCALE OF FEET

SCALE

1" = 30'

TITLE OF SHEET

HAMPTON NATIONAL HISTORIC SITE

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I S T ERED

NO . 16 0 3 9

MDE NUMBER 24-SF-0094

LEGEND

LIMIT OF DISTURBANCE

SOIL LINE

DRAINAGE AREA

TIME OF CONCENTRATION

STORMWATER MANAGEMENT NARRATIVE

POI 1 - A MAJORITY OF THE WORK ASSOCIATED WITH POI 1 IS

ROADWAY MAINTENANCE ACTIVITIES AND UTILITY MAINTENANCE ACTIVITIES

AND NO CHANGE TO THE HYDROLOGIC CONDITION IS PROPOSED FOR

THESE AREAS. AS SUCH, 0.27 ACRES OF AREA HAVE BEEN EXCLUDED

FROM THE SWM STUDY AREA AND A SWM WAIVER APPLICATION FOR

3.3.A HAS BEEN SUBMITTED FOR REVIEW AS PART OF THIS PACKAGE.

ESD1 (SHEETFLOW TO CONSERVATION AREA) AND ESD2 (DISCONNECTION

OF NON-ROOFTOP RUNOFF) HAVE BEEN PROVIDED FOR THE AREAS

CONSIDERED NEW PERVIOUS AREA AND NEW IMPERVIOUS AREA

ASSOCIATED WITH THE SLOPED WALKWAY ADDITION AND STRUCTURE

DEMOLITION ACTIVITIES. THE POI DRAINAGE AREA AND DISTURBED AREA

BREAKDOWN DETAILED IN THIS NARRATIVE CAN BE FOUND ON SHEET

C5.003.

ESD1 SHEETFLOW TO CONSERVATION AREA

ESD2 DISCONNECTION OF NON-ROOFTOP

DRAINAGE AREA LINE TO ESD

AMalcolm Typewritten Text

DISCONNECTION OF NON-ROOFTOP

AMalcolm Typewritten Text

SHEETFLOW TO CONSERVATION AREA

AMalcolm Typewritten Text 1 inch

AMalcolm Typewritten Text

0.6 inch

AMalcolm Line

AMalcolm Line

AMalcolm Line

AMalcolm Line

396397

WOODHOUSEQUARTERS

WM

FRAMED

GARAGE

SHED

STORAGE

SHED

SHED

PRIVIES

STONE

BUILDING

MANSION

SHED

FF=408.23FF=408.52 FF=410.85

FF=410.82

FF=418.86

FF=414.00

FF=410.65

FF=410.69

FF=408.22

FF=408.24

RAMP

GRAVEL

GR

AV

EL

GRA

VEL

SIGN

STEPS STEPS

STEPS

STEPS

STEPS

STEPS

STEPS

STEPS

STEPS

24" PINE

48" OAK

12" TREE 48" OAK

48" TREE

24" TREE

24" TREE

36" OAK

48" OAK

36" TREE

60" TREE

48" PINE

GRAVEL PATH

BRICK PATH

BRICK PATH

CONC. WALK

GRAVEL PATH

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

UNK MH

RIM=406.22

ROOF DRAIN

(TYP.)

SUNDIAL

GARDEN

WELL FIELD

POI-2

TIME OF

CONCENTRATION

PATH

LIMIT OF DISTURBANCE

LIMIT OF DISTURBANCE

LIMIT OF DISTURBANCE

CnB CnB

CnB

SEE C5.005 EXHIBIT B FOR

DRAINAGE DETAILS

GRADING AND

STORMWATER

MANAGEMENT PLAN - 2

C5.004

CZ

CZ

TMS

30 0 30 60

SCALE OF FEET

SCALE

1" = 30'

TITLE OF SHEET

HAMPTON NATIONAL HISTORIC SITE

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I ST ERED

NO . 16 0 39

MDE NUMBER 24-SF-0094

LEGEND

LIMIT OF DISTURBANCE

SOIL LINE

DRAINAGE AREA

TIME OF CONCENTRATION

STORMWATER MANAGEMENT NARRATIVE

POI 2 - ALL OF THE WORK AND DISTURBANCE ACTIVITIES ASSOCIATED

WITH POI 2 IS UTILITY MAINTENANCE ACTIVITIES AND FINE GRADING FOR

LOCAL DRAINAGE RESULTING IN NO CHANGE TO THE HYDROLOGIC

CONDITION. THESE AREAS HAVE BEEN EXCLUDED FROM THE SWM

STUDY AREA AND A SWM WAIVER 3.3.A HAS BEEN SUBMITTED FOR

REVIEW AS PART OF THIS PACKAGE. THE POI DRAINAGE AREA AND

DISTURBED AREA BREAKDOWN DETAILED IN THIS NARRATIVE CAN BE

FOUND ON SHEET C5.004.

POI 3 - NO CHANGE TO EITHER THE PERVIOUS OR IMPERVIOUS AREAS

ARE PROPOSED WITHIN THIS POI. ALL OF THE WORK AND

DISTURBANCE ACTIVITIES ASSOCIATED WITH POI 3 IS ROADWAY

MAINTENANCE ACTIVITIES AND UTILITY MAINTENANCE ACTIVITIES

RESULTING IN NO CHANGE TO THEY HYDROLOGIC CONDITION. AS

SUCH, 0.62 ACRES OF AREAS HAVE BEEN EXCLUDED FROM THE SWM

STUDY AREA AND A SWM WAIVER 3.3.A HAS BEEN SUBMITTED FOR

REVIEW AS PART OF THIS PACKAGE.

IN ADDITION, ALL IMPERVIOUS AREAS WITHIN THIS POI WERE DESIGNED

WITH BIO-SWALES AND BIO-RETENTION FACILITIES DESIGNED FOR THE

THE HYDROLOGIC CONDITIONS THAT WILL REMAIN UNCHANGED AS PART

OF THESE ACTIVITIES. THIS POI DRAINAGE AREA IS NOT INCLUDED WITH

THE ATTACHED PLANS, BUT THE LIMIT OF DISTURBANCE CAN BE

FOUND ON SHEET C4.002.

WOODHOUSEQUARTERS

SHED

STORAGE

SHED

SHED

PRIVIES

PAINT MARKING

WELL FIELD

LIMIT OF DISTURBANCE

DRAINAGE DITCH (TYP.)

DRAINAGE DITCH (TYP.)

GRASSED

SWALE "E"

DRAINAGE AREA TO DITCHES

GRASSED

SWALE "C"

GRASSED

SWALE "B"

GRASSED

SWALE "A"

GRASSED

SWALE "D"

GRASSED

SWALE "F"

2' WIDE LANDING IN FRONT

OF EXISTING STRUCTURES.

SLOPING MIN 1% AWAY.

2' WIDE LANDING IN FRONT

OF EXISTING STRUCTURES.

SLOPING MIN 1% AWAY.

2' WIDE LANDING IN FRONT

OF EXISTING STRUCTURES.

SLOPING MIN 1% AWAY.

401.01

402.12

401.13 401.43

401.50

401.61

401.56

402.27 402.26

401.99

401.92 402.34

401.75

401.13

401.02 401.30

401.68

401.21

401.61

401.07

401.76

400.18

399.75

400.08

399.84 400.23

400.16

400.45

399.39

ST

ON

E /

FR

AM

ED

BU

ILD

IN

G

FF=349.53FF=350.49

FF=351.20

PO

RC

H

PORCH

STEPS

STEPS

12" TREESLATE WALK

ELEC. LINE

PAINT MARKING

DRAINAGE AREA TO YARD INLET

PROPOSED AREA DRAIN, SEE

DETAIL ON THIS SHEET

10+00

10+48.05

PI+10.60

DRAINAGE AREA TO ESD2

-DISCONNECTION OF

NON-ROOFTOP RUNOFF

PORCH ROOF DRAIN TO

CONNECT TO AREA DRAIN

CO-1

RIM=349.90

INV=346.55

INV=346.55

AD-1

OUT

CO

AD-1

RIM=348.10

INV=346.60

INV=346.60 OUT

AD

FES-1

RIM=347.05

INV=346.35 CO-1

9 LF

8"HDPE

29 LF

8"HDPE

THE DISCHARGE VELOCITIES

FROM THE PIPE ARE V2 = 0.47

FT/S AND V10 = 0.55 FT/S, BOTH

OF WHICH ARE NON-EROSIVE,

AND THEY DISCHARGE INTO A

STABILIZED DOWNSTREAM

REGION.

El ev at io ns

El ev at io ns

Station

Station Farm Drain - 1

9+80 10+00 10+60

AD

-1

R=

8.

IN

V=

6.

IN

V=

6.

O

UT

CO

-1

R=

9.

IN

V=

6.

IN

V=

6.

AD

-1

O

UT

FE

S-

R=

7.

IN

V=

6.

CO

-1

9 LF

8"HDPE

S=0.53%

29 LF

8"HDPE

S=0.70%

PROPOSED GRADE

EXISTING GRADE

LOCAL DRAINAGE

AREA MAP

C5.005

CZ

CZ

TMS

TITLE OF SHEET

HAMPTON NATIONAL HISTORIC SITE

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I ST ERED

NO . 16 0 39

MDE NUMBER 24-SF-0094

EXHIBIT A

CLUSTER BUILDINGS DRAINAGE DITCHES

EXHIBIT B

OVERSEER'S HOUSE ADA PATH AREA DRAIN

10 0 10 20

SCALE OF FEET

SCALE

1" = 10'

LEGEND

LIMIT OF DISTURBANCE

SOIL LINE

DRAINAGE AREA

4 0 4 8

20 0 20 40

1" = 20'

1" = 4'

VERTICAL SCALE

HORIZONTAL SCALE

Area Drain (AD) N.T.S. Source: VHB LD_194

03/2024

FLOW COMPACTED SUBGRADE

COMPACTED GRAVEL

CONCRETE COLLAR

PVC PIPE

PVC BEND

PIPE PER PLANS

M

IN

8"

8" 8"

ADA-COMPLIANT FLUSH GRATE

12"

NOTES:

1. AREAS DRAINS SHALL BE NYLOPLAST INLINE DRAIN, OR APPROVED EQUAL.

2. GRATES SHALL BE URBAN ACCESSORIES 12" X 12" OPCB GRATE (OR APPROVED EQUAL).

LAWN HARDSCAPE

Grassed Swale N.T.S. Source: VHB LD_171

3/2024

X 1 1

X

6" BLANKET EMBEDMENT (MIN.)

BLANKET SHALL BE INSTALLED PER

MANUFACTURER'S RECOMMENDATIONS

COMPACTED

SUBGRADE

FINISHED

GRADE

6" LOAM AND SEED

EROSION CONTROL BLANKET

SWALE TABLE

SWALE

DESIGNATION X LOCAL DA (SF) CUM DA (SF) Q10 (CFS) V10 (FPS) OUTFLOW

SLOPE (%)

OUTLET

PROTECTION

REQUIRED?

A 4 1490 1490 0.05 1.51 3.26 NO

B 4 514 514 0.02 1.27 3.85 NO

C 5 479 479 0.02 1.25 2.16 NO

D 5 858 858 0.04 1.45 1.04 NO

E 5 278 757 0.03 1.40 1.67 NO

F 5 504 1018 0.05 1.51 1.92 NO

*SEE SHEET C6.009 FOR ROCK OUTLET

PROTECTION TABLE AND DETAILS

NOTE: SIDE SLOPES NOTED IN THIS TABLE SHALL

BE UTILIZED UNLESS SPOT SHOTS PROVIDED ON

THIS SHEET DICTATE OTHERWISE. DEPTH OF

SWALE, SLOPE OF SWALE, AND SIDE SLOPES

VARY THROUGHOUT. CONTRACTOR SHALL

ENSURE POSITIVE DRAINAGE AWAY FROM

STRUCTURES

REV

STONE BUILDING

MULE BARN

SPLIT RAIL

FENCE

GRAVEL

INFO. BOX

BRICK STRUCTURE

WITH METAL

TROUGH

SIGN

24" TREE

WATERLINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

TP

SAINT FRANCIS RD

10' WIDE LIMIT OF

DISTURBANCE FOR UTILITY

TRENCHING ACTIVITIES ONLY

SF

TEMPORARY

STOCKPILE AREA

352353

10'

SCE

SF

14'

SCE PLACED ON

GRAVEL PAVEMENT

TITLE OF SHEET

HAMPTON NATIONAL HISTORIC SITE

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I S T ERED

NO . 16 0 3 9

MDE NUMBER 24-SF-0094

EROSION AND SEDIMENT

CONTROL PLAN PHASE I

C6.001

CZ

CZ

TMS

30 0 30 60

SCALE OF FEET

SCALE

1" = 30' M

AT

CH

LI

N

E

SE

E

SH

EE

T

C6 .0

NOTES

LEGEND

LIMIT OF DISTURBANCE

STABILIZED CONSTRUCTION

ENTRANCE

TREE PROTECTION

SILT FENCE

STANDARD INLET PROTECTION

STAGING AND STOCKPILE AREA

SF

CONSTRUCTION SAFETY FENCE

SCE

TP

SAFx

TEMPORARY SEEDINGTS

LIMIT OF FIELD RUN SURVEY

ST

ON

E /

FR

AM

ED

BU

ILD

IN

G

STONE / FRAMED

BUILDING STONE BUILDING

STONE

STRUCTURE

STONE

BUILDING

STONE

BUILDING

FF=345.68

FF=343.48 FF=343.40

FF=343.40

FF=343.51

FF=349.53FF=350.49

FF=351.20

FF=343.23

DECK

PORCH

PO

RC

H

PO

RC

H

PORCH

ASPHALT

3' PICKET

FENCE

3' PICKET

FENCE

GRAVEL

BRICK STRUCTURE

WITH METAL

TROUGH

SIGN

SIGN

SIGN

STEPS

STEPSSTEPS

STEPS

STEPS

12" TREESLATE WALK

SLATE

WALK

STONE WALL

WATERLINE

PAINT MARKING

GAS LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

COMM. LINE

PAINT MARKING

SEWER MH

RIM=344.01

IRON ROD SET

N:638809.7200 E:1429144.3500

EL:336.40

IRON ROD SET

N:639205.2980 E:1429246.4480

EL:342.78

1 OVERSEER'S HOUSE (FARM HOUSE)

3 ENSLAVED QUARTERS 2

4 ENSLAVED QUARTERS 3

LOG ENSLAVED QUARTERS

LIMITS OF FIELD RUN SURVEY (TYP)

CONDUCTED BY VHB ON

08/04/2023

351 335

33633

345346

0 32

TP

SF

SF

TS

TS

TS

TS

SF

SF

SF

TITLE OF SHEET

HAMPTON NATIONAL HISTORIC SITE

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I S T ERED

NO . 16 0 3 9

MDE NUMBER 24-SF-0094

C6.002

CZ

CZ

TMS

30 0 30 60

SCALE OF FEET

SCALE

1" = 30'

M

AT

CH

LI

N E

SE

E

SH

EE

T C6

.0

EROSION AND SEDIMENT

CONTROL PLAN PHASE I

NOTES

LEGEND

LIMIT OF DISTURBANCE

STABILIZED CONSTRUCTION

ENTRANCE

TREE PROTECTION

SILT FENCE

STANDARD INLET PROTECTION

STAGING AND STOCKPILE AREA

SF

CONSTRUCTION SAFETY FENCE

SCE

TP

SAFx

TEMPORARY SEEDINGTS

LIMIT OF FIELD RUN SURVEY

HAMPTON LN

EXISTING BIOSWALE

EXISTING BIOSWALE

EXISTING BIOSWALE

EXISTING MICRO-BIORETENTION AREA

TITLE OF SHEET

HAMPTON NATIONAL HISTORIC SITE

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I S T ERED

NO . 16 0 3 9

MDE NUMBER 24-SF-0094

C6.003

CZ

CZ

TMS

30 0 30 60

SCALE OF FEET

SCALE

1" = 30'

EROSION AND SEDIMENT

CONTROL PLAN PHASE I

M

AT

CH

LI

N E

SE

E

SH

EE

T C6

.0

MATCHLINE SEE SHEET C6.005

NOTES

LEGEND

LIMIT OF DISTURBANCE

STABILIZED CONSTRUCTION

ENTRANCE

TREE PROTECTION

SILT FENCE

STANDARD INLET PROTECTION

STAGING AND STOCKPILE AREA

SF

CONSTRUCTION SAFETY FENCE

SCE

TP

SAFx

TEMPORARY SEEDINGTS

LIMIT OF FIELD RUN SURVEY

FRAMED

GARAGE

SHED

STORAGE

SHED

SHED

PRIVIES

STONE

BUILDING

MANSION

SHED

ORANGERY

FF=408.23FF=408.52 FF=410.85

FF=410.82

FF=418.86

FF=414.00

FF=410.65

FF=410.69

FF=408.22

FF=408.24

RAMP

GRAVEL

GR

AV

EL

GRA

VEL

HEDGE ROW

LSA

SIGN

STEPS STEPS

STEPS

STEPS

STEPS

STEPS

STEPS

STEPS

STEPS

24" PINE

24" TREE

24" POPLAR

24" PINE

24" PINE

48" OAK

12" TREE 48" OAK

48" TREE

24" TREE

24" TREE

36" OAK

48" OAK

36" TREE

60" TREE

48" PINE

GRAVEL PATH

BRICK PATH

BRICK PATH

CONC. WALK

CONC. W

ALK

GRA

VEL

PA

TH

GRAVEL PATH

WATERLINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

ELEC. LINE

PAINT MARKING

COMM. LINE

PAINT MARKING

UNK MH

RIM=404.71

UNK MH

RIM=406.22

UNK LINE

STORM YDI

RIM=395.70

STORM YDI

RIM=400.13

STORM YDI

RIM=400.81

STORM YDI

RIM=400.28

ROOF DRAIN

(TYP.)

SUNDIAL

GARDEN

WELL FIELD

SCE SFSF

396397

WOODHOUSEQUARTERS

TEMPORARY

STOCKPILE AREA

LIMITS OF FIELD RUN

SURVEY (TYP) CONDUCTED

BY VHB ON 08/04/2023

TITLE OF SHEET

HAMPTON NATIONAL HISTORIC SITE

DRAWING NO.

DWG1

DWG2

PMIS/PKG NO.

NPS PMIS

SHEET

OF 32

A/E FIRM-140P2022D0001

PRIME/ARCH:

GWWO, INC.

BALTIMORE, MD

SUB SHEET NO.DESIGNED:

CADD:

TECH. REVIEW:

DATE:

05/24/2024

PROJECT NAME

NO. DATE DESCRIPTION

REVISIONS:SEAL:

CIVIL:

VHB

WILLIAMSBURG, VAProfessional 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. 16039, Expiration Date: 05/21/26

ST

ATE OF MARYLANDJA

MES R. LONG

PROFESS I ONA L ENG I NEERREG I S T ERED

NO . 16 0 3 9

MDE NUMBER 24-SF-0094

C6.004

CZ

CZ

TMS

30 0 30 60

SCALE OF FEET

SCALE

1" = 30'

NOTES

EROSION AND SEDIMENT

CONTROL PLAN PHASE I

M

AT

CH

LI

N E

SE

E

SH

EE

T C6

.0

MATCHLINE SEE SHEET C6.005

LEGEND

LIMIT OF DISTURBANCE

STABILIZED CONSTRUCTION

ENTRANCE

TREE PROTECTIONSILT FENCE

STANDARD INLET PROTECTION

STAGING AND STOCKPILE AREA

SF

CONSTRUCTION SAFETY FENCE

SCE

TP

SAFx

TEMPORARY SEEDINGTS

LIMIT OF FIELD RUN SURVEY

METAL

BUILDING

WOOD

BUILDING

FRAMED

BUILDING

FRAMED

BUILDING

GARDEN

MAINT.

STONE

BUILDING

S…