Drawings.pdf

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THOMASTON, CONNECTICUT

THOMASTON DAM

NORTHFIELD BROOK LAKE DAM

THOMASTON CT

US Army Corps of Engineers

SOLICITATION NO.:

CONTRACT NO.:

ISSUE DATE:

New England District

DESIGN FILESHEET NO.

G-001

INDEX TO DRAWINGS

SHEET TITLE

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BANGOR

CANADA

MAINE

AUGUSTA

PORTLAND

HAMPSHIRE

NEW

CONCORD

PORTSMOUTH

ATLANTIC

OCEAN

PROJECT

LOCATION

CONN.

HARTFORD

MASSACHUSETTS

VT.

BOSTON

PROV.

R.I.

NOT TO SCALE

LOCATION PLAN

G-101

C-101

C-102

GENERAL SITE PLAN

HOU-TH-126_G-001.DWG

HOU-TH-126_C-101.DWG

HOU-TH-126_C-102.DWG

C-501

C-502

C-503

HOU-TH-126_C-501.DWG

HOU-TH-126_C-502.DWG

HOU-TH-126_C-503.DWG

TYPICAL FENCE DETAILS I

TYPICAL FENCE DETAILS II

TYPICAL FENCE DETAILS III

COVER SHEET AND INDEX TO DRAWINGS

SITE PLAN AT THOMASTON DAM AREA

SITE PLAN AT NORTHFIELD BROOK DAM AREA

NAUGATUCK RIVER BASIN

FENCE REPLACEMENT

HOU-TH-126_G-101.DWG

G-001

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JAMES H DARCEY

MEMORIAL HWY

(CT ROUTE 8)

NAUGATUCK RIVER

HILL ROAD

(CT Route 222)

MARCH 2020

NOT TO SCALE

LOCATION MAP

B1

THOMASTON DAM - GENERAL PLAN

SCALE: 1"=200'

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B5

NORTHFIELD BROOK LAKE - GENERAL PLAN

SCALE: 1"=200'

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SYMBOL DESCRIPTION

LEGEND

GENERAL NOTES

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PROPERTY LINE

APPROXIMATE WATER EDGE

NEW CHAINLINK FENCE

EXISTING 4-FOOT CHAINLINK FENCE TO BE REMOVED

EXISTING GUARDRAIL

EXISTING PAVED ROAD

INSET A

(D6 ON SHEET C-101)

NOTES:

SEE SHEET C-101 FOR MORE DETAIL

NOTES:

SEE SHEET C-102 FOR MORE DETAIL

NORTHFIELD BROOK LAKE

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STATE ROUTE 222

(HILL ROAD)

NORTHFIELD ROAD

(CT Route 254)

PROPERTY LINE

400'0 200'

400'0 200'

1. THE CONTRACTOR SHALL VERIFY THAT ACTUAL CONDITIONS ARE CONSISTENT WITH THE

EXISTING CONDITIONS DEPICTED ON THE CONTRACT DRAWINGS. DISCREPANCIES,

OMISSIONS, AND ERRORS SHALL BE REPORTED TO THE CONTRACTING OFFICER'S

REPRESENTATIVE (COR) PRIOR TO THE START OF CONSTRUCTION.

2. CONTRACTOR SHALL DISPOSE ALL DEMOLISHED MATERIALS. REFER TO SPECIFICATION

SECTION 01 74 19

3. FENCE & GATE REPLACEMENT AND FENCE REALIGNMENT SEQUENCE:

A. PROPOSED POST LOCATIONS FOR THE NEW FENCE AND GATES SHALL BE

TEMPORARILY MARKED OUT IN THE FIELD AND POST DIMENSIONS SHALL BE

MEASURED BY THE CONTRACTOR.

B. CONTRACTOR SHALL SCHEDULE A SITE WALK WITH THE COR TO REVIEW THE

PROPOSED LAYOUT AND TO DISCUSS ANY PROPOSED ALTERATIONS TO THE CONTRACT

PLANS (POST DIMENSIONS, POST REPLACEMENT, FENCE ACCESSORIES, ETC.).

CHANGES DISCUSSED SHALL BE DOCUMENTED AS FIELD CHANGES IN THE MEETING

MINUTES AND SUBMITTED ALONG WITH RED LINE MARKUPS OF THE DESIGN PLANS TO

THE CONTRACTING OFFICER.

C. ANY CHANGES TO CONTRACT PLANS SHALL BE INCLUDED IN THE SHOP DRAWING

SUBMITTAL PRIOR TO ANY MANUFACTURING OF GATES, POSTS, OR RAILS. FINAL

CHANGES SHALL REQUIRE THE WRITTEN APPROVAL OF THE COR.

D. MANUFACTURE/PURCHASE FENCING, POSTS, AND GATES.

E. DEMOLISH EXISTING FENCE TO BE REMOVED.

F. INSTALL FENCING, POSTS, AND GATES.

PROPERTY LINE

CONSTRUCTION'S TEMPORARY STAGING AND

STORAGE AREA (APPROXIMATELY 2500 SF).

STAGING AND STORAGE AREAS

LIMIT OF WORK

PROJECT OFFICE

BENCHMARK DATA

NAME LOCATION NORTHING EASTING ELEVATION DESCRIPTION

BBDK61 NORTHFIELD BROOK

809254.610 906844.680 589.658

IS A CORPS OF ENGINEERS BRASS DISK FLUSH AT GROUND LEVEL IN A

CONCRETE RETAINING WALL. FOR A SET OF STEPS LEADING TO THE

DOWNSLOPE SIDE OF THE CONCRETE "STRONG MOTION SHELTER" OF

THE NORTHFIELD DAM.

BBDK79 THOMASTON

814127.65 914735.84 511.41

IS A US ARMY CORPS OF ENGINEERS BRASS DISK SET FLUSH IN THE

SOUTH END OF THE SE WING WALL OF THE BRIDGE THAT EXTENDS

NORTH EASTERLY TO THE CONTROL TOWER OF THE THOMASTON DAM.

THIS STATION US 19.75' SOUTH OF AN JBEAM SUPPORT AT THE LOWER

SCREW BOLT 13.29' NORTH OF THE 5TH CONCRETE POST FROM THE

GATE AT THE LOWER BOLT AND 11.99' EAST OF A CONCRETE POST AT

THE LOWER BOLT.

BM DISK

THOMASTON DAM

813566.127 915172.578 517.02

BM DISK IS A USACE DISK SET SE CORE OF THE BRIDGE ABUTMENT ON

THE SOUTH SIDE OF THE SPILLWAY.

TEMPORARY STAGING AND STORAGE

APPROX. AREA (SF)

4,250

2,660

4,210

SPEC PHOTO LOCATIONS

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THOMASTON DAM AREA

SCALE 1"=40'

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INSET A - THOMASTON DAM OUTLET

SCALE: 1"=20'

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KEYNOTES

1. EXISTING GUARDRAIL TO REMAIN IN PLACE DURING CONSTRUCTION, DAMAGES INCURRED DURING CONSTRUCTION WILL BE REPLACED

IN KIND AT NO ADDITIONAL EXPENSE TO THE GOVERNMENT.

2. REMOVE EXISTING 4-FOOT CHAIN LINK FENCE, PROVIDE POST EXTENSION, (SEE DETAIL D1 ON SHEET 502) AND INSTALL NEW 6-FOOT

CHAIN LINK FENCE (SEE DETAIL E1 ON SHEET C-501).

(OPTION BID ITEM 0005 )

3. REMOVE EXISTING 4-FOOT CHAIN LINK FENCE, PROVIDE POST EXTENSION (SEE DETAIL D1 ON SHEET 502) AND INSTALL NEW 6-FOOT

CHAIN LINK FENCE (SEE DETAIL E1 ON SHEET C-501).

(OPTION BID ITEM 0006 )

4. THOMASTON DAM CONCRETE SPILLWAY.

5. EXISTING FENCE IN THIS LOCATION IS CONSTRUCTED ON CONCRETE SPILLWAY, UNLIKE OTHER AREAS WHICH ARE CONSTRUCTED ON

BEDROCK OR SOIL MATERIAL.

(OPTION BID ITEM 0005 )

6. BIDDERS SHALL ASSUME 10-30 POSTS TO BE REPLACED DUE TO EXISTING DAMAGES.

(OPTION BID ITEM 0007)

7. REPLACE EXISTING 4-FOOT CHAIN LINK FENCE WITH NEW 6-FOOT CHAIN LINK FENCE. SEE DETAIL E1 ON SHEET C-501, B1 ON SHEET

C-501 AND D1 ON SHEET C-502. REFER TO SPECIFICATION SECTION 32 31 13 CHAIN LINK FENCE AND GATES FOR DESCRIPTION OF WORK

AND CONTRACT REQUIREMENTS FOR CONNECTION BETWEEN BEDROCK AND CHAIN LINK FENCE. PHOTO OF EXISTING CONNECTION

ATTACHED TO THE END OF THE SPECIFICATIONS, "PHOTO 17."

(BASE BID ITEM 0001 ).

8. INSTALL A NEW 4-FOOT WIDE PERSONNEL ACCESS GATE. SEE DETAIL B7 AND E7 ON SHEET C-501.

20' 40'0

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MAIN OFFICE

NOTES

1. REFER TO SHEET G-101 FOR STAGING AND STORAGE LOCATIONS. ADDITIONAL STAGING AND STORAGE AREAS NOT SHOWN MAY BE

COORDINATED IN THE FIELD WITH CONTRACTING OFFICER'S REPRESENTATIVE (COR) AND PROJECT MANAGER.

2. CONSTRUCTION TAKES PLACE WITHIN A FLOOD STORAGE ZONE. THE CONTRACTOR IS RESPONSIBLE FOR COORDINATING WITH THE COR

AND PROJECT MANAGER TO RELOCATE EQUIPMENT AND MATERIALS PRIOR TO AN EVENT IN WHICH THOMASTON DAM PROJECT NEEDS

TO IMPOUND WATER.

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KEYNOTES

1. REMOVE EXISTING 4-FOOT CHAINLINK FENCE. PROVIDE POST EXTENSION (SEE DETAIL D1 ON SHEET

C-502) AND INSTALL NEW 6-FOOT CHAINLINK FENCE (SEE DETAIL E1 ON SHEET C-501).

(BASE BID ITEM 0002)

2. EXISTING FENCE ALIGNMENT UNDERMINED IN A PREVIOUS CONTRACT. DEMOLISH REMAINING FENCE

AND INSTALL NEW 6-FOOT CHAIN LINK FENCE ALONG PROPOSED ALIGNMENT. REFER TO DETAIL E1

ON SHEET C-501.

(BASE BID ITEM 0003)

3. REMOVE EXISTING 4-FOOT CHAIN LINK FENCE, PROVIDE POST EXTENSION (SEE DETAIL D1 ON SHEET

C-502) AND INSTALL NEW 6-FOOT CHAIN LINK FENCE (SEE DETAIL E1 ON SHEET C-501). REFER TO

SPECIFICATIONS SECTIONS 32 31 13 CHAIN LINK FENCE AND GATES FOR DESCRIPTION OF WORK

AND CONTRACT REQUIREMENTS FOR CONNECTIONS BEDTWEEN BEDROCK AND CHAIN LINK FENCE.

PHOTO OF EXISTING CONNECTION AT THOMASTON DAM ATTACHED TO THE END OF THE

SPECIFICATIONS, "PHOTO 17".

(OPTION BID ITEM 0008)

4. EXISTING DOUBLE LEAF VEHICLE ACCESS GATE TO BE REMOVED AND REPLACED WITH NEW DOUBLE

LEAF VEHICLE ACCESS GATE TO MATCH ADJACENT FENCE HEIGHT. REFER TO DETAIL A1 ON SHEET

C-503.

(OPTIONAL BID ITEM 0008 ).

5. EXISTING DOUBLE LEAF VEHICLE ACCESS GATE TO BE REMOVED AND REPLACED WITH NEW DOUBLE

LEAF VEHICLE ACCESS GATE ( WITH BARBED WIRE) TO MATCH THE NEW ADJACENT FENCE HEIGHT.

REFER TO DETAIL A1 ON SHEET C-503.

(OPTION BID ITEM 0010).

6. REPLACE EXISTING 4-FOOT CHAIN LINK FENCE WITH NEW 7-FOOT CHAIN LINK FENCE AND REPLACE

THE EXISTING POSTS. THE INTENT FOR THIS AREA OF FENCE IS TO PROHIBIT PUBLIC ACCESS INTO

THE SPILLWAY. THE SPACE BETWEEN THE FENCE AND BEDROCK FACE SHALL BE MINIMIZED. REFER

TO DETAIL E1 ON SHEET C-501, DETAIL D4 ON SHEET C-502, AND SHEET C-503. REFER TO

SPECIFICATION SECTION 32 31 13 CHAIN LINK FENCE AND GATES FOR DESCRIPTION OF WORK AND

CONTRACT REQUIREMENTS FOR CONNECTION BETWEEN BEDROCK AND CHAIN LINK FENCE. PHOTO

OF EXISTING CONNECTION AT THOMASTON DAM ATTACHED TO THE END OF THE SPECIFICATIONS, "PHOTO 17".

(OPTION BID ITEM 0010).

NOTES

1. BIDDERS SHALL ASSUME NEW FENCE ALIGNMENT AND ANY EXISTING FENCE POSTS TO BE

REPLACED TO BE INSTALLED IN ROCK.

2. REFER TO SHEET G-101 FOR STAGING AND STORAGE LOCATIONS. ADDITIONAL STAGING AND

STORAGE AREAS NOT SHOWN MAY BE COORDINATED IN THE FIELD WITH CONTRACTING

OFFICER'S REPRESENTATIVE (COR) AND PROJECT MANAGER.

3. CONSTRUCTION TAKES PLACE WITHIN A FLOOD STORAGE ZONE. THE CONTRACTOR IS

RESPONSIBLE FOR COORDINATING WITH THE COR AND PROJECT MANAGER TO RELOCATE

EQUIPMENT AND MATERIALS PRIOR TO AN EVENT IN WHICH NORTHFIELD BROOK LAKE PROJECT

NEEDS TO IMPOUND WATER.

C-102

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GENERAL SITE PLAN AT NORTHFIELD BROOK DAM AREA

SCALE: 1" =60'

60' 120'0

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FABRIC

TENSION BAR

CARRIAGE BOLT

FABRIC

TENSION BAND

CONCRETE BASE

TENSION WIRE

T

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RAIL ATTACHMENT

ROUND POST

END OR GATE POST DETAIL

NOTES

1. DETAILS REPRESENT APPROXIMATE EXISTING CONDITIONS AND SHALL BE USED FOR ALL NEW

CONSTRUCTION.

2. DETAILS SHOWN ARE TO CLARIFY REQUIREMENTS AND ARE NOT INTENDED TO LIMIT OTHER TYPE OF

FENCE SECTIONS AND METHODS OF INSTALLATION THAT COMPLY WITH THE SPECIFICATIONS.

3. SWING GATES SHALL BE CONSTRUCTED WITH PADLOCKS, LATCH ASSEMBLY AND GATE KEEPERS

EXCEPT AS NOTED.

4. ALL GATE FRAMES SHALL MEET THE MINIMUM REQUIREMENTS OF ASTM F900 1.90" NOMINAL (ROUND)

OR 2.00' NOMINAL (SQUARE). GATE FRAMES SHALL BE OF WELDED CONSTRUCTION OR SHALL BE

ASSEMBLED USING HEAVY FITTINGS. AT CONTRACTOR'S OPTION A WELDED HORIZONTAL BRACE MAY

BE USED IN LIEU OF TRUSS RODS TO BRACE ALL-WELDED GATE FRAMES. THE CONTRACTOR SHALL

BE RESPONSIBLE FOR THE PROPER RIGID CONSTRUCTION OF ALL GATES SUPPLIED.

5. WIRE TIES, RAILS, POSTS, AND BRACES SHALL BE CONSTRUCTED TO MATCH EXISTING CONDITION OF

THE FENCE. CHAIN-LINK FABRIC SHALL BE PLACED ON THE SIDE OPPOSITE THE SECURED AREA.

6. CONTRACTOR SHALL USE THE EXISTING POST IF POSSIBLE. INSTALL NEW POST AND BASE PLATE AT

THE CENTERLINE OF THE INLET WALL. BASE PLATE SHALL BE ASTM A36 GALVANIZED STEEL. WELD

3.5 INCH (OD) TO THE BASE PLATE FOR 2.875 INCH (OD) GATE POSTS AND 2.875 INCH (OD) FOR 2.375

INCH (OD) FENCE POSTS. THE 12 INCH LONG POSTS SHALL BE WELDED ALL AROUND AND SHALL BE

ASTM A53 GR.B SCHEDULE 40 GALVANIZED PIPE.

7. FIELD MEASUREMENTS SHALL BE TAKEN TO CONFIGURE THE PROPER ANGLE OF THE STEEL PLATE

ATTACHED TO THE 12" LONG PIPE PRIOR TO INSTALLATION.

SWING GATE -

LATCH ASSEMBLY

PULL POST

LINE POST

TRUSS ROD

TRUSS ROD

MATCH EXISTING

MATCH EXISTING APPROX. 10'-0"

LINE POST

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SEE NOTE 3

LINE POST

LINE POST

GRADE

10" MIN. DIA.

SEE NOTE 3

MATCH EXISTING

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BRACE RAIL

LATCH

BRACE RAIL

GRADE LINE

TRUSS ROD

GATE POST HINGES

INLET STRUCTURE WALL

6" x 8" x

" STEEL PLATE

" DIA. GALV ANCHOR BOLT

W/ 4" (MIN) EMBEDMENT SHALL BE

SIMPSON STRONG-TIE WEDGE

ALL, HILTI KWIK BOLT3 OR EQUAL.

12" LONG PIPE

FENCE POST INSTALLED

INSIDE BASE PLATE POST

1" MIN NON

SHRINK GROUT

8"

6"

6" x 8" x

STEEL PLATE

" DIA.

ANCHOR BOLT

DRILL

" DIA. HOLE THROUGH

POSTS (FRONT AND BACK)

2" STAINLESS STEEL TEK SCREWS

INSTALL 2 EACH SIDE

SILICONE SEALANT BETWEEN

FENCE POST AND BASE

PLATE POST

SEE NOTE 3

T

Y P

TOP RAIL

TRUSS

ROD

16" DIA. MIN. FOR GATE POSTS

4" O. D. & LESS

BOTTOM RAIL

3'-0" MIN. FOR POSTS

4" O. D. & LESS

9-GAGE STEEL TIE WIRES

(2'-0" O.C. MAX.)

TRUSS ROD

(3/8" MIN. DIA.)

TENSION BAND

(15" O.C. MAX. AND WITHIN 4" FROM

TOP AND BOTTOM OF FABRIC)

9-GAGE STEEL TIE WIRE

(15" O.C. MAX. AND

WITHIN 4" FROM

TOP AND BOTTOM

OF FABRIC)

TRUSS ROD

(3/8" MIN.

DIA.)

TENSION BAR TO

ENGAGE EACH

FABRIC LINK

OUTSIDE DIMENSION

(NOMINAL)

2.875" OD / 2.5" SQ

FABRIC WIDTH 72" TO 84"

2.875" O.D.

2.375" O.D.

1.66" O.D.

NOTE:

PROVIDE BRACE PANEL WHENEVER

STRAIGHT RUNS EXCEED 500 FEET.

BRACE

RAILS

BRACE

RAILS

CHAIN-LINK FABRIC

(9 GAGE, 2" MESH)

TIE WIRES OR

HOG RINGS (TYP.)

CORNER, END,

OR PULL POST

TIE WIRES

OR CLIPS

(TYP.)

BOTTOM

OF FABRIC

CENTER RAIL

CENTER RAIL

TOP RAIL

BOTTOM

RAIL

BOTTOM RAIL

GATE POST SCHEDULE

GATE LEAF WIDTH (NOMINAL)

6 FT OR LESS

STEEL POST SCHEDULE

USE AND SECTION

CORNER, END & PULL POSTS

LINE POSTS

TOP, BOTTOM & BRACE RAILS

FENCE FABRIC

2" TO BOTTOM OF

FABRIC

BOTTOM RAIL

3/8" DIA CARRIAGE

BOLTS

LINE POST

BOTTOM RAIL

ATTACHMENT

POST CONNECTION AT INLET STRUCTURE

SCALE: NTS

B7

C5

STANDARD HINGE

A3

TYPICAL BRACE PANEL DETAIL

A5

A1

TRUSS ROD AND BAND

BRACE RAIL CLAMP DETAIL

E7

SCALE: NTS

TYPICAL PERSONNEL GATE DETAILS

E1

SCALE: NTS

TYPICAL CHAIN-LINK FENCE DETAIL

1. WHERE NEW POST IS TO BE INSTALLED IN BEDROCK REFER TO DETAIL D4 ON C-502 .

TOP RAIL

C1

SCALE: NTS

TENSION BAND AND POST ATTACHMENT DETAILS

4'

2. FOOTING TO REMAIN IF EXISTING POST TO BE REUSED.

3. 6-FOOT FENCE REQUIRES 3-FOOT FOOTING . 7-FOOT FENCE REQUIRES 3.5-FOOT FOOTING

C-501

T Y

P I C

L

N

T

A I L

S

I

R

G

U G

O

R

G

U G

O

B M

J A

F A

R I

L T

H I B

O D

E A

U

A N

S I

D

M A

R C

H

9-GAGE STEEL TIE WIRES