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DEPARTMENT OF PUBLIC WORKS

PREPARED BY:

TOWN OF STONINGTON

PREPARED FOR:

TOWN OF STONINGTON, CONNECTICUT

UNDERGROUND STORAGE TANK

REPLACEMENT PROJECT

PROJECT #2018-004

MAY 2018

FRED A. MUELLER, P.E.

www.tighebond.com

COMPLETE SET 9 SHEETS

LIST OF DRAWINGS

SHEET

NO.

SHEET TITLE

1 COVER

2

LEGEND, ABBREVIATIONS, AND GENERAL NOTES

3 TOWN DOCK DEMOLITION & TANK SITE PLAN

4 DPW GARAGE DEMOLITION & TANK SITE PLAN

5 PAWCATUCK MIDDLE SCHOOL DEMOLITION & TANK SITE PLAN

6 BOE ADMINISTRATION BUILDING DEMOLITION TANK SITE PLAN & DETAILS

7 WEST BROAD STREET SCHOOL DEMOLITION PLAN & SITE DETAILS

8 DETAILS - 1

9 DETAILS - 2

LOCATION MAP

NO SCALE

N

BARBARA McKRELL, P.E.

DIRECTOR OF PUBLIC WORKS

STONINGTON PUBLIC SCHOOLS

BILL KING

DIRECTOR OF FACILITIES AND OPERATIONS

NO SCALE

LEGEND, ABBREVIATIONS

AND GENERAL NOTES

SHEET 2 OF 9

EXISTING CATCH BASIN

EXISTING PUBLIC WATER LINE

EXISTING SANITARY SEWER LINE

EXISTING ELECTRICAL LINE

STREET LIGHT

UTILITY POLE

WIRE OR CHAIN LINK FENCE

SPOT ELEVATION

PROPERTY LINE

ABOVE GROUNG STORAGE TANK

BITUMINOUS CONCRETE

CATCH BASIN

DRAIN MANHOLE

DRAWING

EROSION CONTROL

FUEL OIL SUPPLY

FUEL OIL RETURN

MANHOLE

NOT TO SCALE

NUMBER

PROPERTY LINE

PROPOSED

RIGHT OF WAY

SANITARY MANHOLE

STORM DRAIN

TYPICAL

UNDERGROUND STORAGE TANK

UNDERGROUND ELECTRICAL

UTILITY POLE

AST

BIT CONC

CB

DMH

DWG

EC

FOS

FOR

MH

NTS

NO.

⅊

PROP

R.O.W.

SMH

SD

TYP

UST

UE

U.P.

EXISTING STORM DRAIN LINE

VEGETATED WETLANDS LIMIT (BVW, IVW)

TOP OF BANK / MEAN ANNUAL HIGH WATER

100-FOOT BUFFER ZONE

1. EXISTING CONDITIONS ARE BASED ON AVAILABLE INFORMATION. THE CONTRACTOR SHALL DETERMINE

THE ACTUAL LOCATION OF UTILITIES BY TEST PIT OR OTHER METHOD WHERE REQUIRED.

2. THE CONTRACTOR SHALL REMOVE AND REPLACE FENCES, MAILBOXES, CURBING, ETC. AS NECESSARY.

CONDITION OF REPLACED ITEMS SHALL BE EQUAL OR BETTER THAN ORIGINAL CONDITION PRIOR TO

REMOVAL.

3. PER CONNECTICUT LAW, NOTIFY CALL BEFORE YOU DIG AT 1-800-922-4455. THE CALL BEFORE YOU DIG

SERVICE WILL LOCATE AND MARK PUBLIC UNDERGROUND UTILITIES IN THE FIELD.

4. EXCAVATE SUCH THAT UNDERGROUND UTILITIES AND OTHER STRUCTURES ARE NOT DAMAGED AND

RETAIN PROPER FUNCTION IN THE AREAS UNDER CONSTRUCTION. ALL PIPES AND STRUCTURES WITHIN

THE LIMITS OF THIS CONTRACT SHALL BE LEFT IN A CLEAN AND OPERABLE CONDITION AT THE

COMPLETION OF THE WORK. THE CONTRACTOR IS RESPONSIBLE FOR DAMAGE SUSTAINED TO ANY

EXISTING UTILITIES AND WILL MAKE ANY NECESSARY REPAIRS TO THE REQUIREMENTS OF THE OWNER OR

RESPECTIVE UTILITY COMPANY.

5. FIELD VERIFY ALL STRUCTURES, UTILITIES, EQUIPMENT, AND PIPING LAYOUT ELEVATIONS AND

DIMENSIONS AND COORDINATE WITH EQUIPMENT SUPPLIED, AND/OR EXISTING CONDITIONS. VERIFY ALL

DIMENSIONS IN THE FIELD AS REQUIRED PRIOR TO BEGINNING CONSTRUCTION OF NEW FACILITIES,

EQUIPMENT, OR PIPING THAT MAY BE AFFECTED.

6. BEFORE EXCAVATION IS STARTED, CUT THE BITUMINOUS OR CEMENTITIOUS SURFACE VERTICALLY AT THE

LIMITS FOR REMOVAL USING AN APPROVED HAND OR POWER OPERATED TOOL, SO AS TO ALLOW FOR

EXCAVATION WITHOUT DISTURBING THE ADJACENT SURFACE ON EITHER SIDE OF THE EXCAVATION.

7. COMPLY WITH STATE AND FEDERAL WETLAND REQUIREMENTS.

8. CONTRACTOR SHALL COORDINATE WITH OWNER FOR STAGING AND LAYDOWN AREAS.

9. BOLD LINES AND TEXT INDICATE PROPOSED WORK. LIGHT LINES AND TEXT INDICATE APPROXIMATE

EXISTING CONDITIONS.

SCALE:

Date Description

FILE:

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PROJECT NO:

APPROVED BY:

CHECKED:

DRAWN BY:

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Storage Tank

Replacement

Project

#2018-004

Town of Stonington,

Connecticut

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SURVEY NOTES

1. UNDERGROUND UTILITY INFORMATION HAS BEEN COMPILED AND IS BASED ON

INFORMATION FURNISHED BY OTHERS. THIS INFORMATION SHALL BE CONSIDERED

APPROXIMATE AND TIGHE & BOND DOES NOT TAKE RESPONSIBILITY FOR

SUBSEQUENT ERRORS OR OMISSIONS WHICH MAY HAVE BEEN INCORPORATED

INTO THIS PLAN AS A RESULT. ADDITIONALLY, OTHER UTILITIES MAY EXIST ON

THE SITE, THE EXISTENCE OF WHICH ARE UNKNOWN TO TIGHE & BOND. THE SIZE,

LOCATION AND EXISTENCE OF ALL UTILITIES MUST BE FIELD DETERMINED AND

VERIFIED BY THE APPROPRIATE AUTHORITIES PRIOR TO CONSTRUCTION.

2. TOWN DOCK DRAWINGS ARE BASED ON "TOPOGRAPHIC SURVEY STONINGTON

TOWN DOCKS" DRAWINGS BY RESOURCE MANAGEMENT AND MAPPING, DATED

MARCH 2009.

3. DEPARTMENT OF PUBLIC WORKS DRAWINGS ARE BASED ON "ADDITIONS AND

ALTERATIONS TO STONINGTON TOWN HALL" DRAWINGS BY JACUNSKI HUMES

ARCHITECTS, LLC, DATED DECEMBER 2005.

GENERAL NOTESABBREVIATIONSLEGEND

DEMOLITION NOTES

1. "DEMOLISH" SHALL INDICATE "REMOVE AND DISPOSE"

2. REPAIR/REPLACE PAVED SURFACES DISTURBED BY THE WORK AS INDICATED IN DRAWINGS WITH A BITUMINOUS

CONCRETE REPAIR AS SHOWN ON SHEET 7. OWNER TO PROVIDE BITUMINOUS CONCRETE REPAIR AT TOWN DOCK AND DPW

SITES AS INDICATED IN DRAWINGS. PROVIDE PROCESSED GRAVEL BORROW BASE TO GRADE FOR TOWN DOCK AND DPW

SITES.

3. DISPOSE OF THE UNDERGROUND STORAGE TANKS AS REQUIRED BY CONNECTICUT STATE LAW,

a. PROVIDE RECEIPTS FROM THE DISPOSAL FACILITY FOR EACH TANK TO THE OWNER AND ENGINEER.

3. TIGHE & BOND WILL PROVIDE ENVIRONMENTAL OBSERVATION SERVICES FOR THE UST CLOSURE AND REMOVALS.

4. EMPTY TANKS OF ALL FLAMMABLE / COMBUSTIBLE FLUIDS, AND RINSE WITH A MINIMUM OF 100-GALLONS OF WATER PER

TANK OF CLEAN WATER TO REMOVE RESIDUAL MATERIALS. RINSE WATER SHALL BE REMOVED AND DISPOSED OF

FOLLOWING STATE AND FEDERAL DISPOSAL REQUIREMENTS.

5. TWO 4” HOLES SHALL BE DRILLED THROUGH THE BOTTOM OF THE TANK AND CONCRETE AT PAWCATUCK MIDDLE SCHOOL

TO ALLOW FOR THE COLLECTIONS OF A SOIL SAMPLE FROM BENEATH THE UST. UST AT PAWCATUCK MIDDLE SCHOOL

SHALL BE CLOSED IN PLACE IN ACCORDANCE WITH SPECIFICATION SECTION 02115 AND API 1604.

6. CONTRACTOR IS RESPONSIBLE FOR PROVIDING A SAFE ATMOSPHERE FOR THE CONFINED SPACE ENTRY AND COMPLIANCE

WITH OSHA CONFINED SPACE ENTRY REQUIREMENTS.

7. AT PAWCATUCK MIDDLE SCHOOL SITE, CONTRACTOR SHALL EXCAVATE FOUR (4) TEST PITS, ONE ON EACH SIDE AND END

OF THE TANK TO ALLOW FOR THE COLLECTION OF SOIL SAMPLES SURROUNDING THE TANK CLOSED IN PLACE.

8. CONTRACTOR SHALL ASSUME THAT THE UST GRAVE WILL NOT BE FILLED OR EXCAVATIONS BACKFILLED UNTIL

LABORATORY RESULTS ARE RECEIVED AND REVIEWED BY THE ENGINEER AND OWNER. FOR THE PURPOSES OF

SCHEDULING, ASSUME THAT SOIL SAMPLES WILL BE SUBMITTED FOR ANALYSIS THE DAY FOLLOWING THE REMOVAL OF

EACH TANK WITH A REQUESTED TURN-AROUND TIME OF FIVE BUSINESS DAYS.

9. THE OWNER RESERVES THE RIGHT TO ALLOW BACKFILLING OF THE EXCAVATIONS BEFORE THE LABORATORY RESULTS ARE

RECEIVED.

10. WHERE EXISTING PIPING THROUGH WALLS AND FLOORS ARE REMOVED, THE OPENINGS SHALL BE FILLED WITH

NON-SHRINK GROUT.

1"=20'

TOWN DOCK DEMOLITION

AND TANK SITE PLAN

SHEET 3 OF 9

SCALE:

Date Description

FILE:

Mark

PROJECT NO:

APPROVED BY:

CHECKED:

DRAWN BY:

S5015\002

Underground

Storage Tank

Replacement

Project

#2018-004

Town of Stonington,

Connecticut

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DEMOLISH 2"

UNDERGROUND FOS

00 20' 40'

SCALE IN FEET

GRAPHIC SCALE

DEMOLITION SITE PLAN

1"=20'

TANK SITE PLAN

1"=20'

N

DEMOLISH

SURROUNDING GRAVEL

DEMOLISH CONCRETE PAD ABOVE

UNDERGROUND FUEL TANK

(RELOCATE)

DEMOLISH

DEMOLISH

DEMOLISH

DEMOLISH

TRANSITION SUMP

NEW DISPENSER AND

FUEL GAUGE (TYP OF 2)

NEW FUEL TANK

MONITORING SYSTEM

(ALTERNATE NO. 1)

RELOCATED

EMERGENCY

SHUT-OFF

NEW 3" FOS

NEW 20,000 GALLON

UNDERGROUND STORAGE TANK

SEE DETAILS

N

TIE NEW 3" FOS INTO NEW

DISPENSERS (TYP OF 2)

NEW TRANSITION SUMP.

NEW 2" FOS

ABOVE GROUND

3

8

DEMOLISH 20,000 GALLON UST,

CONCRETE VAULT (BELOW) SEE

DEMOLITION NOTES ON SHEET 2

DEMOLISH VEEDER

ROOT SYSTEM

(ALTERNATE NO. 1)

DEMOLISH CURB

LIMIT OF

EXCAVATION

OWNER TO PROVIDE ALL BITUMINOUS CONCRETE

PAVEMENT REPAIR AT TOWN DOCK SITE

APPROX. 40 SF

CONCRETE PAD AROUND

TRANSITION SUMP

3

4

" SIGNAL WIRE CONDUIT

EXISTING POWER

ELECTRICAL PANEL

FUEL MANAGEMENT SYSTEM

(ALTERNATE NO. 2)

LIMIT OF EXCAVATION

NOTES:

1. INSTALL FIRE EXTINGUISHER WHERE

DIRECTED BY ENGINEER.

2. OWNER TO PROVIDE ALL BITUMINOUS

CONCRETE PAVEMENT REPAIR AT TOWN DOCK

SITE.

3. IF ALTERNATES NOT SELECTED, WIRE NEW

ELECTRIC TO EXISTING VEEDER ROOT PANEL

INSIDE ELECTRIC ROOM.

4. THE UNDERGROUND TANK IS LOCATED

WITHIN A ZONE AE COASTAL ZONE. THE TANK

ANCHORS AND BALLAST PAD SHALL BE

DESIGNED BY A PROFESSIONAL ENGINEER

LICENSED IN THE STATE OF CONNECTICUT

AND SUBMITTED TO THE ENGINEER FOR

REVIEW.

5. THE TANK ANCHORS AND BALLAST PAD SHALL

BE DESIGNED TO WITHSTAND 1.5 TIMES THE

BUOYANT FORCE.

3

4

" SIGNAL WIRE CONDUIT

4

8

AS SHOWN

DPW GARAGE DEMOLITION

AND TANK SITE PLAN

SHEET 4 OF 9

SCALE:

Date Description

FILE:

Mark

PROJECT NO:

APPROVED BY:

CHECKED:

DRAWN BY:

S5015\002

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Storage Tank

Replacement

Project

#2018-004

Town of Stonington,

Connecticut

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S5015-DPW_SITE-DEMO.dwg

DEMOLISH

FUELING PAD

N

DEMOLITION SITE PLAN

1"=10'

TANK SITE PLAN

1"=10'

DEMOLISH DISPENSER

SUMPS (TYP OF 2)

(DISPENSERS TO

REMAIN - REMOVE AND

INSTALL AS NECESSARY)

DEMOLISH 6,000-GALLON

FIBERGLASS DIESEL TANK

DEMOLISH 4,000-GALLON

FIBERGLASS GASOLINE TANK

DEMOLISH

VENT PIPING

DEMOLISH DIESEL

AND GASOLINE FOS

N

NEW CONCRETE

DRIVE MAT

SEE DETAIL

RE-INSTALL

DEISEL DISPENSER

RE-INSTALL

GASOLINE

DISPENSER

NEW 9

1

4

" CONCRETE FUELING ISLAND

SEE DETAIL

NEW DISPENSER SUMPS

(TYP OF 2) SEE DETAIL

2" DEISEL FOS

2" GASOLINE FOS

NEW 10,000 GALLON COMPARTMENTALIZED

(4,000 GALLON GASOLINE 6,000 GALLON

DIESEL) UNDERGROUND FUEL STORAGE

TANK. SEE DETAILS

TEMPORARY DIESEL FUEL TANK

AND TEMPORARY FLEET

FUELING SYSTEM LOCATION

NEW U-SHAPED BOLLARDS (TYP OF 2)

SEE DETAIL

DEMOLISH BOLLARDS

(TYP OF 2)

DEMOLISH FUELING

ISLAND

CANOPY TO REMAIN

2

8

4

7

4

9

2

7

POSITIVE LIMIT BARRIER

AROUND EDGE OF

CONCRETE DRIVE MAT

SEE DETAIL

1

9

2

8

'

2

7

'

NEW 2" TANK VENT PIPING

EXTEND VENT PIPING A MINIMUM

OF 18" ABOVE BUILDING ROOF

OWNER TO PROVIDE BITUMINOUS

CONCRETE PAVEMENT REPAIR

NOTES:

1. OWNER TO PROVIDE BITUMINOUS CONCRETE PAVEMENT REPAIR AT DPW SITE.

PROVIDE PROCESSED GRAVEL BASE TO GRADE.

2. DOWNSPOUTS SHALL BE INSTALLED IN THE CONCRETE FUELING ISLAND AND BE

DIRECTED TO EACH END THROUGH THE CURB.

3. INSTALL FIRE EXTINGUISHER WHERE DIRECTED BY ENGINEER.

4. CONTRACTOR TO PROVIDE POWER FOR TEMPORARY FUEL TANK AND FLEET

FUELING SYSTEM.

NOTES:

1. PROTECT ARBORVITAE DURING AND AFTER TANK REMOVAL. TEMPORARILY

RELOCATE IF NECESSARY.

2. DEMOLISH BALLAST PAD BENEATH TWO EXISTING UNDERGROUND FUEL

STORAGE TANKS.

FIVE 1" CONDUITS FOR

SENSOR, PROBE, AND

POWER WIRING

SAWCUT AND REMOVE 2'

WIDE BUFFER AROUND

FUELING ISLAND SPILL PAD

CONNECT TO EXISTING

FUEL MONITORING

SYSTEM AND POWER

ELECTRIC PANEL

5

8

7

9

1"=15'

PAWCATUCK MIDDLE SCHOOL

DEMOLITION AND TANK SITE

PLAN

SHEET 5 OF 9

N

SCALE:

Date Description

FILE:

Mark

PROJECT NO:

APPROVED BY:

CHECKED:

DRAWN BY:

S5015\002

Underground

Storage Tank

Replacement

Project

#2018-004

Town of Stonington,

Connecticut

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N

DEMOLITION SITE PLAN

1"=15'

TANK SITE PLAN

1"=15'

TIE NEW FOS (2) AND FOR (1)

INTO EXISTING STEEL PIPING

NEW 10,000 GALLON

UNDERGROUND FUEL

STORAGE TANK.

SEE DETAILS

CLOSE 10,000-GALLON

UST IN PLACE SEE

DEMOLITION NOTES ON

SHEET 2

DEMOLISH FOR AND

FOS PIPING FROM

TANK (TYP OF 3).

1

8

FILL ALL WALL

PENETRATIONS WITH

NON-SHRINK GROUT.

FILL ALL EXISTING

PENETRATIONS AROUND

EXISTING PIPING AND

CONDUIT WITH

NON-SHRINK GROUT.

SEE PHOTO THIS SHEET.

UNDERGROUND

3

4

" FOS (2)

AND

3

4

" FOR (1) PIPING

PROVIDE BITUMINOUS CONCRETE

PAVEMENT REPAIR. SEE DETAIL

NOTES:

1. SEAL CONDUIT AND PIPE PENETRATIONS THROUGH BUILDING WALL WITH

NON-SHRINK GROUT.

2. PROVIDE A TRANSITION SLEEVE AT THE BUILDING TO TRANSITION FROM

DOUBLE TO SINGLE-WALL PIPING. FRANKLIN FUELING GRADE LEVEL

SLEEVE OR EQUAL.

1" RGS CONDUIT FOR SENSOR

AND PROBE WIRING

NEW FUEL MONITORING

SYSTEM CONSOLE

CONNECT TO EXISTING

ELECTRICAL PANEL.

PROVIDE NEW BREAKER

3

4

" CONDUIT

5

8

1

7

EXTEND VENT PIPING A MINIMUM

OF 18" ABOVE BUILDING ROOF

EXISTING PIPE PENETRATIONS

BOE

ADMINISTRATION

BUILDING

BOE

ADMINISTRATION

BUILDING

BOE

ADMINISTRATION

BUILDING

BOE

ADMINISTRATION

BUILDING

AS SHOWN

BOE ADMINISTRATION BUILDING

DEMOLITION, TANK SITE PLAN &

DETAILS

SHEET 6 OF 9

SCALE:

Date Description

FILE:

Mark

PROJECT NO:

APPROVED BY:

CHECKED:

DRAWN BY:

S5015\002

Underground

Storage Tank

Replacement

Project

#2018-004

Town of Stonington,

Connecticut

Plotted O

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DEMOLITION PLAN

1" = 10'

DEMOLISH UST

VENT PIPING

DEMOLISH 10,000 GALLON

FUEL UST SYSTEM. SEE

DEMOLITION NOTES ON SHEET 2.

FILL ALL WALL PENETRATIONS

WITH NON-SHRINK GROUT

DEMOLISH FOS AND FOR PIPING FROM

UST TO BOILER CIRCULATION PUMP

SEE DEMOLITION NOTES ON SHEET 2.

N

TANK PLAN

1" = 10'

2" FILL

(2) 330 GALLON UL 80 STEEL

FUEL STORAGE TANKS

SEE DETAIL THIS SHEET

N

2" VENT

1

2

" FOS

1

2

" FOR

330 GALLON ABOVEGROUND

STORAGE TANKS DETAIL

NO SCALE

330 GALLON UL 80 STEEL

FUEL STORAGE TANK

(TYP OF 2)

1

2

" FOR FROM BOILER

2" SIPHON BAR

1

2

" FOS TO BOILER

2" FILL

2" ATMOSPHERIC VENT

REPLACE OIL SAFETY VALVE,

FIRE SAFETY VALVE, AND FILTER

TANK SUPPORT

(TYP OF 4 EACH TANK)

TANK SUPPORT LEVEL

INDICATOR

(TYP OF 2)

VENT ALARM,

WHISTLE TYPE

1

2

" FIRE SAFETY VALVE

1

2

" BALL VALVE

1

2

" BALL VALVE

1

2

" FIRE SAFETY VALVE

7

2

"

44.25"

2

7

.

2

5

"

ROUTE VENTING AND

FILL PIPING THROUGH

LOUVERED WINDOW

PROVIDE BITUMINOUS CONCRETE

PAVEMENT REPAIR. SEE DETAIL

NOTES:

1. CONTRACTOR SHALL CORE ONE 3.5" HOLE BETWEEN THE TANK ROOM AND

BOILER ROOM AND INSTALL A 3" PVC SLEEVE TO ROUTE THE PIPING. FILL

WITH NON-SHRINK GROUT.

2. CONTRACTOR SHALL CORE TWO 3.5" HOLES BETWEEN THE TANK ROOM

AND BOILER ROOM AND TWO 3.5" HOLES AT THE EXTERIOR OF THE

BUILDING FOR THE FUEL FILL AND VENT PIPING. INSTALL 3" PVC SLEEVES

IN ALL PENETRATIONS AND FILL WITH NON-SHRINK GROUT.

3. INSTALL FIRE EXTINGUISHER WHERE DIRECTED BY ENGINEER.

4. PROVIDE NEW OIL SAFETY VALVE AND FUEL FILTER AT BOILER.

5. PROVIDE TANK SUPPORT AND ANCHORS PER MANUFACTURER

RECOMMENDATION.

NOTES:

1. ABANDON BALLAST PAD BELOW TANK IN PLACE.

1

7

2"

2"

AS SHOWN

WEST BROAD STREET SCHOOL

DEMOLITION PLAN AND SITE

DETAILS

SHEET 7 OF 9

SCALE:

Date Description

FILE:

Mark

PROJECT NO:

APPROVED BY:

CHECKED:

DRAWN BY:

S5015\002

Underground

Storage Tank

Replacement

Project

#2018-004

Town of Stonington,

Connecticut

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DEMOLISH 10,000

GALLON UST SYSTEM.

SEE DEMOLITION

NOTES ON SHEET 2.

N

WEST BROAD STREET SCHOOL DEMOLITION SITE PLAN

1"=20'

DEMOLISH UST

VENT PIPING

FILL WALL PENETRATIONS

WITH NON-SHRINK GROUT

DEMOLISH FOS AND FOR PIPING

FROM UST THROUGH BUILDING

TO BOILERS. SEE DEMOLITION

NOTES ON SHEET 2.

1

1

2

" CLASS 2 HOT MIXED

ASPHALT TOP COURSE

SAW CUT (TYP)

2

1

2

" CLASS 1 HOT MIX

ASPHLAT BASE COURSE

12" PROCESSED

GRAVEL BORROW BASE

SELECT

NATIVE SOILS

BITUMINOUS CONCRETE PAVEMENT REPAIR

6"

12"

6" WASHED CRUSHED

STONE

CONCRETE PAD DETAIL

FINAL GRADE

3/4" CHAMFER ALL

EXPOSED EDGES

#4 BARS AT 24" OC

3' COVER MIN

#5 BARS AT 12" OC

EACH WAY, TOP & BTM

TOP OF PAD

12" PROCESSED

GRAVEL BORROW BASE

NOTES:

1. CONCRETE SHALL BE 4,500 PSI CONCRETE

WITH 3/4" AGGREGATE.

12"

6" DIAMETER U-SHAPED STEEL BOLLARD

6" DIA, SCH 40

STEEL PIPE

PAINTED SAFETY

YELLOW

FIN. GRADE

51"

6"

1'-6"

DIA

SLOPE (TYP)

DETAIL

4

7NO SCALE

DETAIL

3

7NO SCALE

DETAIL

1

7NO SCALE

PROVIDE BITUMINOUS CONCRETE

PAVEMENT REPAIR. SEE DETAIL

NOTES:

1. OWNER TO PROVIDE BITUMINOUS CONCRETE PAVEMENT REPAIR

TOWN DOCK AND DEPARTMENT OF PUBLIC WORKS SITES ONLY.

CONTRACTOR TO PROVIDE BASE AND CRUSHED STONE BELOW

PAVEMENT REPAIR AT ALL SITES.

2. PROVIDE GRAVEL BORROW BASE TO GRADE WHERE OWNER TO

PROVIDE BITUMINOUS CONCRETE PAVEMENT REPAIR.

BY CONTRACTOR

ALL SITES

NOTES:

1. ABANDON BALLAST PAD BELOW TANK IN PLACE.

12"

CONCRETE DRIVE MAT DETAIL

FINAL GRADE

1" CHAMFER ALL

EXPOSED EDGES

#4 BARS AT 24" OC

3' COVER MIN

#5 BARS AT 12" OC

EACH WAY, TOP & BTM

TOP OF PAD

12" PROCESSED

GRAVEL BORROW BASE

NOTES:

1. CONCRETE SHALL BE 4,000 PSI CONCRETE

WITH 3/4" AGGREGATE.

12"

DETAIL

2

7NO SCALE

8"

1

7

36"(M

IN

)

12"

48" (M

AX)

12"

MIN

4"

4"

3" DROP TUBE

4"

3" DROP TUBE

(TYP OF 2)

4"

44" TANK MANWAY

33" CONTAINMENT SUMP

WITH WATERTIGHT LID

2" VENT

INTERSTITIAL

MONITORING HANDHOLE

3

4

" RGS CONDUIT

INTERSTITIAL SENSOR WIRING

BRINE RESERVOIR

AUTOMATIC SHUT-OFF VALVE

LIMIT CAPACITY TO 95%

OF TANK VOLUME

FILL PIPING TO REMOTE FILL

MAGNETOSTRICTIVE LEVEL PROBE

WITH FUEL AND WATER SENSORS

37'-5

1

2

"

10'-

6"

OU

TER D

IAM

ETER

3" FOS TO DIESEL

DISPENSERS

RGS CONDUIT LEVEL AND

SUM SENSOR WIRING (TYP)

TO FUEL MONITORING

SYSTEM IN BUILDING

5-GALLON BELOW GRADE

SPILL BUCKET

REINFORCED CONCRETE DEADMEN OR BALLAST PAD

PER REQUIREMENTS OF MANUFACTURER. SEE NOTES 4

AND 5 ON SHEET 3.

NO SCALE

DETAILS - 1

SHEET 8 OF 9

SCALE:

Date Description

FILE:

Mark

PROJECT NO:

APPROVED BY:

CHECKED:

DRAWN BY:

S5015\002

Underground

Storage Tank

Replacement

Project

#2018-004

Town of Stonington,

Connecticut

Plotted O

n:M

ay 04, 2018-12:18pm

By: alpackhem

Last Saved:

5/4/2018

Tighe &

Bond:J:\S\S5015 Stonington\001-U

ST Project\D

raw

ings_Figures\AutoCAD

\Sheet\S5015-D

ETAILS.dw

g

www.tighebond.com

TMP, ALP

GMR, HAL

FAM

S5015-DETAILS.dwg

TYPICAL UNDERGROUND

STORAGE TANK SECTION

AUTOMATIC SHUT-OFF VALVE

LIMIT CAPACITY TO 95%

OF TANK VOLUME

BRINE RESERVOIR

3/4" RGS CONDUIT

INTERSTITIAL

SENSOR WIRING

2" VENT

TO BUILDING

INTERSTITIAL

MONITORING

HANDHOLE

5-GALLON BELOW

GRADE SPILL BUCKET

33" CONTAINMENT SUMP

WITH WATERTIGHT LID

44" TANK MANWAY

3/4" FLEXIBLE DOUBLE WALL

PIPING SUPPLY AND RETURN (TYP)

RGS CONDUIT LEVEL AND

SUMP SENSOR WIRING (TYP)

4" CORRUGATED CONTAINMENT

MAGNETOSTRICTIVE

LEVEL PROBE WITH

FUEL AND WATER SENSORS

DEADMEN (TYP OF 2)

BELOW GRADE TANK

SUMP AND MANWAY

UST CONCRETE

MAINTENANCE PAD.

SEE DETAIL

3/4" PEASTONE OR

1/2" WASHED CRUSHED

STONE BACKFILL

GALVANIZED DROP-FORGED

TURNBUCKLE (TYP OF 4)

REINFORCED CONCRETE

DEADMEN PROVIDED BY

THE TANK MANUFACTURER

(TYP OF 2)

NOTES:

1. BOTTOM OF DEADMAN SHALL BE PLACED LEVEL WITH THE BOTTOM OF THE TANK.

BEDDING MATERIAL

TO BUILDING

DETAIL

1

8

NO SCALE

20,000 GALLON UNDERGROUND STORAGE TANK DETAIL

TOWN DOCK

DETAIL

3

8

NO SCALE

DETAIL

5

8

NO SCALE

PAWCATUCK MIDDLE SCHOOL

10,000 GALLON UNDERGROUND STORAGE TANK DETAIL

30'-6"

8'-0" O

UTER D

IAM

ETER

36"-48"

(M

AX)

10,000 GALLON COMPARTMENTALIZED UNDERGROUND STORAGE TANK DETAIL

AUTOMATIC SHUT-OFF VALVE

LIMIT CAPACITY TO 95%

OF TANK VOLUME (TYP OF 2)

BRINE

RESERVOIR

3/4" RGS CONDUIT

INTERSTITIAL SENSOR WIRING

2" VENT TO

BUILDING

(TYP OF 2)

INTERSTITIAL MONITORING

HANDHOLE

5-GALLON BELOW

GRADE SPILL

BUCKET (TYP OF 2)

42" CONTAINMENT SUMP

WITH WATERTIGHT LID

(TYP OF 2)

48" TANK MANWAY

(TYP OF 2)

2" FLEXIBLE DOUBLE WALL

PIPING SUPPLY TO

DISPENSER (TYP OF 2)

RGS CONDUIT LEVEL AND

SUMP SENSOR WIRING

(TYP OF 2)

4" CORRUGATED

CONTAINMENT (TYP OF 2)

MAGNETOSTRICTIVE

LEVEL PROBE WITH

FUEL AND WATER

SENSORS (TYP OF 2)

DETAIL

2

8

NO SCALE

DEPARTMENT OF PUBLIC WORKS

36"-48"

(M

AX)

4,000-GALLON

GASOLINE

COMPARTMENT

6,000-GALLON

DIESEL

COMPARTMENT

30'-6"

8'-0" O

UTER D

IAM

ETER

TRANSITION SUMP

DEADMEN (TYP OF 2)

COMPARTMENT

WALL

1" POWER

CONDUIT

(TYP OF 2)

DETAIL

4

8

NO SCALE

3

7

UST CONCRETE

MAINTENANCE PAD.

SEE DETAIL

3

7

UST CONCRETE

MAINTENANCE PAD.

SEE DETAIL

3

7

DEADMEN OR BALLAST PAD FOR

TOWN SHALL BE DESIGNED TO

WITHSTAND 1.5 TIMES THE BUOYANT

FORCE WHEN TANK IS EMPTY

(3)

3

4

" SIGNAL CONDUIT

3" FOS

REINFORCING STEEL

1

1

2

" (TYP)

1

1

2

" (TYP)

4" MIN

2" (TYP)

4" MIN2" (TYP)

#5 BARS

12"

18"

NOTES:

1. TANK SUMPS AND SUMP PENETRATION ENTRY BOOTS AND ADAPTERS SHALL BE

INSTALLED BY A CONTRACTOR THAT IS CERTIFIED BY THE MANUFACTURER.

2. ALL SUMPS AND SPILL BUCKETS SHALL BE HYDROSTATICALLY TESTED PRIOR TO

INTRODUCING FUEL INTO ANY PORTION OF THE TANK'S PIPING.

3. HYDROSTATIC TESTING WATER SHALL BE INSPECTED FOR THE PRESENCE OF

PETROLEUM FOLLOWING THE TEST. WATERS CAN BE DISCHARGED ON SITE IF NO OIL

IS PRESENT.

PRODUCT LABEL

NO SCALE

DETAILS - 2

SHEET 9 OF 9

SCALE:

Date Description

FILE:

Mark

PROJECT NO:

APPROVED BY:

CHECKED:

DRAWN BY:

S5015\002

Underground

Storage Tank

Replacement

Project

#2018-004

Town of Stonington,

Connecticut

Plotted O

n:M

ay 04, 2018-12:19pm

By: alpackhem

Last Saved:

5/4/2018

Tighe &

Bond:J:\S\S5015 Stonington\001-U

ST Project\D

raw

ings_Figures\AutoCAD

\Sheet\S5015-D

ETAILS.dw

g

www.tighebond.com

TMP, ALP

GMR, HAL

FAM

S5015-DETAILS.dwg

POSITIVE LIMIT BARRIER

DETAIL

2

9NO SCALE

12"

36" M

IN

IM

UM

FIN. GRADE

1" RGS CONDUIT

TRACEABLE WARNING TAPE

(TYP)

SIFTED COMPACTED BACKFILL

2"

(TYP)

6"

TYPICAL UTILITY TRENCH DETAIL

6"6"

DETAIL

1

9NO SCALE

TYPICAL 5-GALLON BELOW GRADE SPILL BUCKET

PROVIDE STEEL OR FIBERGLASS

COLOR-CODED COVERS

RAISE MANWAY 1/2" ABOVE CONC

PAD. CHAMFER PAD INTO MANWAY.

CENTER MANWAY

ON SPILL BUCKET

GALV STEEL SKIRT

PROVIDE DROP TUBE

WITH AUTOMATIC

SHUT-OFF VALVE SET TO

95% OF TANK CAPACITY

PROVIDE 3/4" PEASTONE OR

1/2" WASHED CRUSHED STONE

AROUND SPILL BUCKET &

UNDER CONCRETE PAD

UL LISTED 5-GALLON

BELOW GRADE SPILL

BUCKET WITH LOCKABLE LID

BRONZE SWIZEL ADAPTER

WITH 4" NPT THREADED

BOTTOM SECTION

4" NPT FITTING

NOTES:

1. TANK FILL DROP TUBES SHALL EXTEND TO WITHIN 4" OF THE TANK

BOTTOM.

DETAIL

5

9NO SCALE

CENTER MANWAY ON

INTERSTITIAL RISER

COMPRESSION GLAND

PROVIDE LOCKABLE MANHOLE COVER

RAISE MANWAY 1/2" ABOVE CONCRETE

PAD. CHAMFER PAD INTO MANWAY.

WEATHERPROOF JUNCTION BOX

EXPLOSION-PROOF SEAL FITTING

INTERSTITIAL

SENSOR WIRE

COMPRESSION GLAND

11" GALV STEEL SKIRT

4" SWAGELOCK SS OR

BRASS RISER CAP ADAPTOR

EXTEND 4" INTERSTITIAL RISER

TO WITHIN 6" OF FINISHED GRADE

1/2" RGS CONDUIT

TYPICAL INTERSTITIAL MONITORING ACCESS MANHOLE

PROVIDE 3/4" PEASTONE OR

1/2" WASHED CRUSHED STONE

AROUND SPILL BUCKET &

UNDER CONCRETE PAD12"

16"

TO BUILDING

DETAIL

6

9NO SCALE

PROVIDE MANWAY WITH A COMPOSITE,

ROTO-LOCK COVER WITH AN H20 LOAD RATING

RAISE MANWAY 1/2" ABOVE

CONC PAD, CHAMFER PAD INTO MANWAY

11" GALV STEEL SKIRT

PROVIDE A MINIMUM OF 3"

CLEARANCE BETWEEN OUTER

WALL OF TANK SUMP & MANHOLE

ON ALL SIDES

PROVIDE UL LISTED

WATERTIGHT TANK SUMP

PROVIDE WATERTIGHT FITTING

ADAPTERS FOR EACH PIPE RUN &

ELECTRICAL CONDUIT PENETRATION

PROVIDE 3/4" PEASTONE OR

1/2" WASHED CRUSHED STONE

AROUND SUMP & UNDER

CONCRETE PAD

PROVIDE WATERTIGHT SUMP COVER

CENTER MANWAY ON TANK SUMP

12"

TYPICAL BELOW GRADE TANK SUMP

44"

SUMP MOUNTING COLLAR

33"

42"

PROVIDE WATERTIGHT FIELD

BONDED SUMP TO COLLAR JOINT

DETAIL

3

9NO SCALE

6"6"

2" FLEXIBLE DOUBLE WALL PIPE (TYP)

TWIN HOSE FUEL PUMP DETAIL

DETAIL

7

9NO SCALE

MINIMUM 6" WELL COMPACTED

PEASTONE UNDER DISPENSER

AND SUMP

PROVIDE ENTRY BOOTS FOR FUEL

AND ELECTRICAL PENETRATIONS

TO PROVIDE WATER-TIGHT SEALS

REINFORCED CONCRETE

DISPENSER PAD

MOUNT STABILIZER BAR

INTO CONCRETE PAD

PROVIDE 1

1

2

" FUEL EMERGENCY

CRASH/CHECK VALVE WITH

DOUBLE POPPET (TYP OF 2)

3

4

" RGS CONDUIT

CONNECT POWER TO

PANELBOARD, CONNECT TO

NEW CARD-READER SYSTEM

SUMP LEAK SENSOR

PROVIDE ONE PIECE DISPENSER

SUMP WITH SEALED, WATER-TIGHT

ENTRY BOOTS

MAXIM

UM

SU

MP D

EPTH

31"

HIGH HOSE MAST RETRIEVER

WITH INTERNAL COUNTER

WEIGHT, MINIMUM 10' HIGH

1

8

" AIRCRAFT CABLE

(TYP OF 2)

2" GALVANIZED STEEL PIPE,

PAINTED BLACK

EXISTING FUEL DISPENSER

FUEL ISLAND CURB AND SUMP INSTALLATION DETAIL

DETAIL

4

9NO SCALE

10'x4'x9

1

4

"H STAINLESS

STEEL ISLAND FORM

CONCRETE DRIVE MAT

15

1

2

"

6" M

IN

.

CONCRETE FUELING ISLAND

DISPENSER SUMP

SUMP ANCHOR BOLTS (TYP)

RAW LIP, 1" ABOVE FRAME

DISPENSER FRAME MOUNTING BOLTS (TYP)

SUMP FRAME SET FLUSH

WITH MOUNTING SURFACE

PROVIDE 3/4" PEASTONE OR

1/2" WASHED CRUSHED STONE

AROUND DISPENSER SUMP

3" M

IN

.3" M

IN

.

#5 BARS AT 12" OC

EACH WAY, TOP & BTM

#4 BARS AT 24" OC