GT_septic_systemALL.pdf

EASTERN REGION

VICINITY MAP:

US Department of Agriculture Forest Service

GREY TOWERS NATIONAL HISTORIC SITE

Milford Township, Pike County, Pennsylvania

INDEX OF SHEETS

SHEET SHEET TITLE

Grey Towers National Historic Site is located on Old Owego Road, off of US Rt 6, near Milford, Pike County, Pennsylvania.

PROJECT

LOCATION

C-0 TITLE SHEET

C-1 SITE PLAN

WASTEWATER SYSTEM REPLACEMENT

PROJECT

LOCATION

MANSION AREA SITE PLANC-2

APPROVED:

SCOPE OF WORK:

Construct a new soil absorption wastewater treatment and disposal system to serve the Grey Towers Mansion and other facilities. Work includes: Enlarge the existing sand mound disposal area, construct new sewer lines by trenchless construction, install new septic tanks and dosing pump station.

SAND MOUND AREA SITE PLANC-3

C-0

SEWER LINE PROFILESC-4

SEPTIC SYSTEM DETAILSCD-1

SAND MOUND DETAILSCD-2

Pennsylvania One Call System, Inc.

Call 3 Business Days Before You Dig!

1-800-242-1776 or 8-1-1

COLUMBIA GAS TRANS PORT JERVIS

MILFORD BORO MUNI AUTH/MILFORD BORO

MOON VALLEY FALLS HOMEOWNER ASSOCIATION

PEG BANDWIDTH PA LLC

PENCOR SERVICES/BLUE RIDGE COMMUNICATION

PIKE COUNTY LIGHT & POWER COMPANY

PPL ELECTRIC UTILITIES CORPORATION

TENNESSEE GAS PIPELINE

TERRADEX INC

UGI PENN NATURAL GAS

VERIZON NORTH

ONE CALL FACILITY OWNERS LIST

FOR PIKE COUNTY, MILFORD TOWNSHIP

SEE MANSION AREA DETAIL - SHEET C-2

INSTALL MANHOLE #2

SEE SAND MOUND AREA DETAIL

SHEET C-3

ABANDON SEPTIC TANK

ABANDON CLEANOUT

ABANDON SEWER LINE

ABANDON SEPTIC TANKS

ABANDON SEWER LINE

INSTALL SEWER LINE "E" 4" X 315'

FROM MANHOLE #2 TO SEPTIC TANK

BY TRENCHLESS CONSTRUCTION

OR CONVENTIONAL TRENCHING

USE TRENCHLESS CONSTRUCTION WITHIN 20 FEET

OF WALKWAY. AVOID ANY DISTURBANCE

OF WALKWAY. PROVIDE A TEMPORARY RAMP

FOR HEAVY EQUIPMENT TO CROSS WALKWAY.

INSTALL CLEANOUTS

AT APPROX. 100' SPACING

SEE DETAIL

INSTALL CLEANOUT

AT CHANGE IN GRADE

U.S. DEPARTMENT OF AGRICULTURE

FOREST SERVICE

No.

Revision/Issue Date

NOTES

SEPTIC SYSTEM SITE PLAN

GREY TOWERS

NATIONAL HISTORIC SITE

GREG PORTER PE

R9 TST ENGINEERING

Grey Towers National Historic Site

SPF

C-1

1" = 60'

G. PORTER

4/2016

CONTOUR LINES ARE APPROXIMATE

AND MAY NOT REPRESENT THE

EXISTING GROUND ACCURATELY.

THERE ARE MANY BURIED UTILITIES

WITHIN THE PROJECT AREA. THIS

DRAWING INDICATES OWNER'S

KNOWLEDGE OF BURIED UTILITIES.

MANY UTILITIES ARE OWNED BY GREY

TOWERS AND ARE NOT UNDER THE PA

ONE CALL SYSTEM. CONTRACTOR

SHALL USE ALL APPROPRIATE

METHODS TO LOCATE AND AVOID ALL

BURIED UTILITIES.

FINAL MANHOLE LOCATIONS WILL BE

STAKED BY THE COR.

ALL GROUND DISTURBING ACTIVITIES

SHALL BE CAREFULLY CONTROLLED

AND KEPT TO A MINIMUM.

CONTRACTOR SHALL ACCESS THE

SITE USING THE HARDENED ACCESS

WAY, AND LIMIT EQUIPMENT AND

OPERATIONS TO THE AREA ALONG

THE PIPELINES AND AREAS BEING

CONSTRUCTED. DRILLING SLURRIES

SHALL BE CONTAINED WITHIN LINED

PITS OR TANKS, DRILL CUTTINGS

SHALL BE STOCKPILED ON TARPS AND

PROMPTLY REMOVED FROM THE SITE.

COORDINATE WITH THE COR TO KEEP

DISRUPTION OR NECESSARY

CLOSURE OF THE WASTEWATER

PRODUCING AND TREATMENT

FACILITIES TO A MINIMUM.

INSTALL NEW SEWER LINE "B", 4" X 145 FT.

IN EXISTING SEWER LINE

BY PIPEBURSTING

INSTALL NEW SEWER LINE "C", 4" X 56 FT.

IN EXISTING SEWER LINE

BY PIPEBURSTING

REMOVE EXISTING MANHOLE

INSTALL NEW MANHOLE #1

ABANDON EXISTING SEWER

INSTALL NEW SEWER LINE "A", 4" X 265 FT.

FROM MANSION BASEMENT TO MANHOLE #2

BY TRENCHLESS CONSTRUCTION.

PIPE SHALL BE OF SIGNIFICANT DEPTH

TO AVIOD DISTURBANCE OF SURFACE FEATURES

CONNECT NEW 4" SEWER LINE

TO EXISTING BUILDING SEWER

IN BASEMENT. INSTALL CLEANOUT.

CONTRACTOR TO COORDINATE

EXACT LOCATION FOR NEW

SEWER LINE TO EMERGE.

SEE DETAIL SHEET CD-1

INSTALL NEW SEWER LINE "D", 4" X 195 FT.

FROM MANHOLE #1 TO MANHOLE #2

BY TRENCHLESS CONSTRUCTION

AND/OR CONVENTIONAL TRENCHING

ABANDON EXISTING SEWER

CONNECT NEW 4" SEWER LINE

TO EXISTING BUILDING SEWERS

FROM MANSION AND ICE HOUSE.

INSTALL CLEANOUTS TO PROVIDE

ACCESS TO ALL DIRECTIONS

CONNECT TO EXISTING LINE

APPROX 3' OUT FROM EXTERIOR WALL

EXISTING SEWER LINE WAS DUG

IN 2015 TO REMOVE BLOCKAGE

CAST IRON PIPE WAS SITTING

ON BEDROCK IN THIS LOCATION

ADDITIVE ITEM #1

SEWER LINE "F", 4" X 27 FT.

REPLACE SEWER LINE TO

WITHIN 3' OF ICE HOUSE

EXTERIOR WALL

INSTALL CLEANOUT

AT CHANGE IN GRADE

U.S. DEPARTMENT OF AGRICULTURE

FOREST SERVICE

No.

Revision/Issue Date

NOTES

SEPTIC SYSTEM SITE PLAN

MANSION AREA

GREY TOWERS

NATIONAL HISTORIC SITE

GREG PORTER PE

R9 TST ENGINEERING

Grey Towers National Historic Site

SPF

C-2

NTS

G. PORTER

4/2016

CONTOUR LINES ARE APPROXIMATE

AND MAY NOT REPRESENT THE

EXISTING GROUND ACCURATELY.

THERE ARE MANY BURIED UTILITIES

WITHIN THE PROJECT AREA. THIS

DRAWING INDICATES OWNER'S

KNOWLEDGE OF BURIED UTILITIES.

MANY UTILITIES ARE OWNED BY GREY

TOWERS AND ARE NOT UNDER THE PA

ONE CALL SYSTEM. CONTRACTOR

SHALL USE ALL APPROPRIATE

METHODS TO LOCATE AND AVOID ALL

BURIED UTILITIES.

FINAL MANHOLE LOCATIONS WILL BE

STAKED BY THE COR.

ALL GROUND DISTURBING ACTIVITIES

SHALL BE CAREFULLY CONTROLLED

AND KEPT TO A MINIMUM.

CONTRACTOR SHALL ACCESS THE

SITE USING THE HARDENED ACCESS

WAY, AND LIMIT EQUIPMENT AND

OPERATIONS TO THE AREA ALONG

THE PIPELINES AND AREAS BEING

CONSTRUCTED. DRILLING SLURRIES

SHALL BE CONTAINED WITHIN LINED

PITS OR TANKS, DRILL CUTTINGS

SHALL BE STOCKPILED ON TARPS AND

PROMPTLY REMOVED FROM THE SITE.

COORDINATE WITH THE COR TO KEEP

DISRUPTION OR NECESSARY

CLOSURE OF THE WASTEWATER

E X

IS

T

IN

G

S E

P T

IC

S

A N

D M

O U

N D3

' X

' A

B S

O R

P T

IO

N

A R

E A

C O

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T R

U C

T E

X P

A N

D E

D S

A N

D M

O U

N D

' X

' A

B S

O R

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IO

N

A R

E A

REPLACE EXISTING DOSING TANK

WITH LARGER PUMP AND TANK

SEE DETAIL ON SHEET CD-1

INSTALL 2 -2000 GAL

SEPTIC TANKS

SEE DETAIL ON SHEET CD-1

C

O

N

S

T

R

U

C

T

N

W

H

A

R

D

E

N

D

W

I

A

C

E

S

W

Y

S

T

A

I L

O

H

E

CONSTRUCT ASHLAR COURSED BLUESTONE

RETAINING WALL AS NEEDED

TO PROVIDE A LEVEL ACCESS WAY

10'

5'

APPROX EDGE OF NEW FILL

S E

E D

E T

A

IL

S O

N S

H E

E T

C D

-2

DEMOLISH AND REMOVE EXISTING DOSING TANK

CONNECT SEWERLINE FROM PAVILION

TO NEW DOSING TANK

EXTEND & CONNECT ELECTRIC CIRCUITS

FROM EXISTING PUMP

TO NEW PUMP CONTROLS

N

W

R

REMOVE 1 TREE THAT IS CLOSE TO

SAND MOUND EXPANSION AREA

GRUB STUMP AND RESTORE GROUND

CONCRETE CURB TO REMAIN

CONSTRUCT TEMPORARY RAMP OVER CURB

FOR CONSTRUCTION ACCES

REMOVE AND REINSTALL SIGN

PROVIDE TEMPORARY FENCE - BARRICADE

DURING CONSTRUCTION

U.S. DEPARTMENT OF AGRICULTURE

FOREST SERVICE

No.

Revision/Issue Date

NOTES

SEPTIC SYSTEM SITE PLAN

SAND MOUND AREA

GREY TOWERS

NATIONAL HISTORIC SITE

GREG PORTER PE

R9 TST ENGINEERING

Grey Towers National Historic Site

SPF

C-3

NTS

G. PORTER

4/2016

CONTOUR LINES ARE APPROXIMATE

AND MAY NOT REPRESENT THE

EXISTING GROUND ACCURATELY.

THERE ARE MANY BURIED UTILITIES

WITHIN THE PROJECT AREA. THIS

DRAWING INDICATES OWNER'S

KNOWLEDGE OF BURIED UTILITIES.

MANY UTILITIES ARE OWNED BY GREY

TOWERS AND ARE NOT UNDER THE PA

ONE CALL SYSTEM. CONTRACTOR

SHALL USE ALL APPROPRIATE

METHODS TO LOCATE AND AVOID ALL

BURIED UTILITIES.

FINAL MANHOLE LOCATIONS WILL BE

STAKED BY THE COR.

ALL GROUND DISTURBING ACTIVITIES

SHALL BE CAREFULLY CONTROLLED

AND KEPT TO A MINIMUM.

CONTRACTOR SHALL ACCESS THE

SITE USING THE HARDENED ACCESS

WAY, AND LIMIT EQUIPMENT AND

OPERATIONS TO THE AREA ALONG

THE PIPELINES AND AREAS BEING

CONSTRUCTED. DRILLING SLURRIES

SHALL BE CONTAINED WITHIN LINED

PITS OR TANKS, DRILL CUTTINGS

SHALL BE STOCKPILED ON TARPS AND

PROMPTLY REMOVED FROM THE SITE.

COORDINATE WITH THE COR TO KEEP

DISRUPTION OR NECESSARY

CLOSURE OF THE WASTEWATER

MANHOLE #2

MANHOLE #1

MANHOLE #1

MANHOLE #2

MANHOLE #2

SEPTIC TANK

BUILDING

SEWER

CONNECTION

AT KITCHEN &

ICEHOUSE

BUILDING SEWER

CONNECTION

AT MANSION BASEMENT

A P

P R

O X

.2

S

L O

P E

IN

S

T A

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" S

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IN

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G P

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INSTALL NEW 4" SEWER LINE 76' @ 2.0% SLOPE

INSTALL CLEANOUT AT CHANGE IN GRADE

IN

S

T A

L L N

E W

" S

E W

E R

L

IN

E

.0

S L O

P E

IN

S

T A

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.7

S L O

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INSTALL CLEANOUT AT CHANGE IN GRADE

INSTALL CLEANOUT AT CHANGE IN GRADE

BUILDING SEWER

CONNECTION AT

LETTER BOX

U.S. DEPARTMENT OF AGRICULTURE

FOREST SERVICE

No.

Revision/Issue Date

NOTES

SEWER PROFILES

GREY TOWERS

NATIONAL HISTORIC SITE

GREG PORTER PE

R9 TST ENGINEERING

Grey Towers National Historic Site

SPF

C-4

NTS

G. PORTER

4/2016

PROFILE GRID LINES ARE DRAWN AT

1' VERTICAL,10' HORIZONTAL SPACING.

MAINTAIN MINIMUM 2% SLOPE ON ALL

SEWER LINES.

INLET

DOSING PUMP:

DESIGN DISCHARGE = 115 GPM AT 19' TDH

HYDROMATIC S3W, 1.5 HP, 1750 RPM, 6" IMPELLER

U.S. DEPARTMENT OF AGRICULTURE

FOREST SERVICE

No.

Revision/Issue Date

NOTES

SEPTIC DETAILS

GREY TOWERS

NATIONAL HISTORIC SITE

GREG PORTER PE

R9 TST ENGINEERING

Grey Towers National Historic Site

SPF

CD-1

NTS

G. PORTER

4/2016 x

SCARIFY EXISTING GROUND

MINIMUM 12" SAND

8" DISTRIBUTION GRAVEL

REMOVE CLEANOUT PORT, EXTEND DISTRIBUTION LATERALS

PROVIDE NEW CLEANOUT AT END OF EXTENDED LATERAL

NEW CLEANOUT PORT, SEE DETAIL

12" TOPSOIL COVER

CUT AND CAP OLD DELIVERY PIPE AT END OF DISTRIBUTION HEADER

PROVIDE NEW 3" DELIVERY PIPE AND CONNECT TO EXISTING

2" HEADER AT HEADER MIDPOINT

BOTTOM EDGE OF DISTRIBUTION GRAVEL

EXPANDED MOUND

A

A

BOTTOM EDGE OF DISTRIBUTION GRAVEL

EXISTING MOUND

EXTEND 1-1/4" DISTRIBUTION LATERALS

WITH 1/4" HOLES ON BOTTOM @6' SPACING

PROVIDE CLEANOUT PORTS AT ENDS OF LATERALS

SEE DETAIL ON SHEET CD-1

EXTEND 2" HEADER.

CONNECT TO END

OF EXISTING HEADER

INSTALL NEW/EXTEDED 1-1/4" DISTRIBUTION LATERALS

WITH 1/4" HOLES @6' SPACING

SYSTEM DESIGN PARAMETERS:

DESIGN FLOW = 2340 GALLONS PER DAY

ABSORPTION AREA = 1.5 SQ FT PER GPD

AREA REQUIRED = 3510 SQ FT

AREA PROVIDED = 78' X 47' = 3666 SQ FT

13 LATERALS WITH 8 - 1/4" HOLES EACH

EXISTING MOUND

SCARIFY EXISTING GROUND

SAND AS NEEDED FOR WIDENING

EXTEND 2" DISTRIBUTION HEADER

AND 1-1/2" DISTRIBUTION LATERALS

REMOVE TOPSOIL TO EXPOSE CLEAN SAND

EXISTING MOUND

12" TOPSOIL COVER

8" DISTRIBUTION GRAVEL

O

P

E

B B

O

P

E

H

A

L

L

O

W

E

R

LATERAL FLUSHING/CLEANOUT PORTS

SEE DETAIL ON SHEET CD-1

U.S. DEPARTMENT OF AGRICULTURE

FOREST SERVICE

No.

Revision/Issue Date

NOTES

SAND MOUND

DISPOSAL FIELD

GREY TOWERS

NATIONAL HISTORIC SITE

GREG PORTER PE

R9 TST ENGINEERING

Grey Towers National Historic Site

SPF

CD-2

NTS

G. PORTER

4/2016