PLANS_.pdf
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- Solicitation number
- W912WJ-16-B-0009
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District
New England of Engineers
US Army Corps
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NOT TO SCALE
LOCATION PLAN
DESIGN FILESHEET NO.
G-001
INDEX TO DRAWINGS
SHEET TITLE
NOT TO SCALE
VICINITY MAP
®of Engineers
US Army Corps
District
New England
G-001
D S
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BENNINGTON
JACKSONVILLE
WILMINGTON MARLBORO
BRATTLEBORO
POWNAL CENTER
ARLINGTON
PAWLET DANBY
LUDLOW
WESTON
RAWSONVILLE
BONDVILLE
JAMAICA
LONDONDERRY
GRAFTON
CAMBRIDGEPORT
WEST TOWNSHEND
WARDSBORO
35 11
PROJECT
LOCATION
SPRINGFIELD
MASSACHUSETTS
HAMPSHIRE
NEW
NEW
YORK
N
W e s t
R i v e r
C o n n e c t i c u t
R i v e r
TOWNSHEND
N
CON-TO-457_G-001.dgn
CON-TO-457_G-002.dgn
CON-TO-457_S-101.dgn
G-002
S-101
S-201 CON-TO-457_S-201.dgn INTAKE STRUCTURE ELEVATIONS AND SECTION
CON-TO-457_S-501.dgn
S-502
S-501
CON-TO-457_S-502.dgn
VERMONT
TOWNSHEND LAKE DAM
SOLICITATION #: W912WJ-16-B-0009
NEW GRAVITY RETAINING WALL
CONCRETE REPAIRS TO SPILLWAY AND
INTAKE
STRUCTURE
SPILLWAY
WEIR
GRAVITY
WALL
W E
T
IV
E R
TOWNSHEND DAM LAKE
GENERAL NOTES, ABBREVIATIONS, LEGEND, SYMBOLS AND PICTURES
SPILLWAY WEIR, SECTION AND DETAIL
OUTLET WORKS, GRAVITY RETAINING WALL, DETAILS AND SECTIONS
COVER SHEET AND INDEX TO DRAWINGS
STRUCTURAL DETAILS, TYPICAL PATCH REPAIRS AND BAR SPLICE CHART
M A
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C O
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IN
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IDENTIFICATION
SHEET
District
New England of Engineers
US Army Corps
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F
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P L
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C A
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SHEET OF
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L A
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C E C
A R
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A L
EXISTING CONCRETE
FIELD VERIFY LIMITS
NOT TO SCALE
CONCRETE DETERIORATION
REPRESENTATIVE
AT
ANGLE
CENTERLINE
CENTER TO CENTER
CONSTRUCTION JOINT
CC
CONSTR. JT.
EL.
EXIST.
EXP. JT.
DIAMETER
ELEVATION
EXISTING
EXPANSION JOINT
IDENTIFICATIONIDENT.
JT. JOINT
MANUFACTURER'S.
NTS
MFRS.
REINFORCEMENTREINF.
REQ'D. REQUIRED
SYMMETRICALSYM.
TYPICALTYP.
UNLESS NOTED OTHERWISEUNO
CONCRETE CRACK
ABBREVIATIONS LEGENDSCOPE OF WORK
EXISTING GROUND SURFACE
NOT TO SCALE
G-002
A
G-002
C
G-002
B
L E
G E
N D S
Y M
B O
L S A
N D P
IC
T U
R E
S
G E
N E
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V
IA
T
IO
N S
AT SPILLWAY WIER, TYP.
CONCRETE DETERIORATION
WALL CRACKS, TYP.
INTAKE TOWER CHIMNEY
BE DEMOLISHED AND RECONSTRUCTED
EXISTING GRAVITY RETAINING WALL TO
G-002
D INTAKE TOWER STAIRS, TYPICAL
CONCRETE DETERIORATION AT
03 30 53 "MISCELLANEOUS CAST-IN-PLACE CONCRETE".
11. FORMWORK SHALL BE IN ACCORDANCE WITH SPECIFICATION SECTION
MATERIAL SHALL BE AT THE CONTRACTORS EXPENSE.
ADDITIONAL CONCRETE REMOVAL AND REPLACEMENT WITH PATCHING
REINFORCEMENT STEEL TO THE EXTENT REQUIRING REPLACEMENT, ANY
10. IF DURING CONCRETE REMOVAL THE CONTRACTOR DAMAGES EXISTING
REMOVED TO A DEPTH OF 1" BEHIND THE REINFORCING STEEL.
ONE HALF OF ITS SURFACE AREA EXPOSED, THE CONCRETE SHALL BE FURTHER
9. IF AFTER CONCRETE REMOVAL THE REINFORCING STEEL HAS AT LEAST
REMOVE ALL AREAS OF DETERIORATED CONCRETE TO A MINIMUM DEPTH OF 2".
THE PERIMETER OF THE REPAIR AREA AT LEAST 1" DEEP AND
03 01 32 "CONCRETE REHABILITATION FOR CIVIL WORKS", SAWCUT
8. USING CONCRETE REMOVAL METHODS SPECIFIED IN SECTION
ALL EDGES OF VISUALLY INSPECTED DETERIORATED AREAS.
SOUNDS. CONCRETE SURFACES SHALL BE SOUNDED A MINIMUM OF ONE FOOT BEYOND
TAPPING WITH A HAMMER OR STEEL ROD AND LISTENING FOR DULL OR HOLLOW
DETERMINE THE LIMITS OF DETERIORATED CONCRETE BY VISUAL INSPECTION AND/OR
ANY DIMENSIONS SHOWN AT THOSE AREAS ARE APPROXIMATE. CONTRACTOR SHALL
7. AREAS IDENTIFIED ON THE DRAWINGS AS EXHIBITING CONCRETE DETERIORATION AND
CONCRETE".
WITH SPECIFICATION SECTION 03 30 53 "MISCELLANEOUS CAST-IN-PLACE
6" OR GREATER IN DEPTH, UNO. CONCRETE PLACEMENT SHALL BE IN ACCORDANCE
6. PORTLAND CEMENT CONCRETE SHALL BE USED FOR REPAIR OF ALL PATCHES
REHABILITATION FOR CIVIL WORKS".
SHALL BE IN ACCORDANCE WITH SPECIFICATION SECTION 03 01 32 "CONCRETE
BETWEEN 2" AND 6" IN DEPTH, UNO. POLYMER-MODIFIED CONCRETE PLACEMENT
5. POLYMER-MODIFIED CONCRETE SHALL BE USED FOR REPAIR OF ALL PATCHES
REFERENCE PHOTO C/G-002 FOR AN EXAMPLE OF THE CRACKING AT THIS LOCATION.
FOLLOW CRACK SEALANT MANUFACTURER'S RECOMMENDATIONS FOR APPLICATION.
DRY, FROST-FREE, AND FREE OF OIL AND GREASE AND ANY OTHER CONTAMINANTS.
SPECIFIED. CLEAN ALL SURFACES. CRACK WALLS SHALL BE SOUND, CLEAN,
POLYURETHANE BASED, NON-SLAG/FLEXIBLE EPOXY SEALER ADHESIVE, AS
INTAKE TOWER. CRACKS SHALL BE REPAIRED USING A ONE-COMPONENT
4. REPAIR CRACKS ON INTERIOR OF CHIMNEY WALL IN NORTHWEST CORNER OF
14 DAYS AFTER PLACEMENT OF GRAVITY RETAINING WALL CONCRETE.
EXISTING PLACEMENT. BACKFILLING SHALL NOT COMMENCE UNTIL A MINIMUM OF
PROTECTION USING SIMILAR GRADATIONS, CONTOURS, AND ELEVATIONS AS THE
MATERIAL FROM CONTAMINATION. BACKFILL USING STOCKPILED GRAVEL AND STONE
STOCKPILE LOCATION WITH THE CONTRACTING OFFICER. PROTECT STOCKPILED
CONTRACTOR IN ORDER TO PROVIDE A SAFE WORKING ENVIRONMENT. COORDINATE
AND GRAVEL REMOVAL AND SHORING DESIGN SHALL BE THE RESPONSIBLITIY OF THE
EMBANKMENT. PROVIDE SHORING IF DETERMINED NECESSARY. LIMITS OF STONE
REMOVE STONE PROTECTION AND UNDERLYING GRAVEL ALONG THE SLOPED
3. PRIOR TO DEMOLITION AND RECONSTRUCTION OF THE GRAVITY RETAINING WALL,
"MISCELLANEOUS CAST-IN-PLACE CONCRETE".
WALL IN ACCORDANCE WITH DRAWINGS AND SPECIFICATION SECTION 03 30 53
RETAINING WALL THAT SHALL BE DEMOLISHED. RECONSTRUCT THE
OUTLET WORKS. REFERENCE PHOTO B/G-002 FOR THE EXISTING GRAVITY
2. DEMOLISH AND RECONSTRUCT A GRAVITY RETAINING WALL AT THE
OF CONCRETE DETERIORATION AT THE INTAKE TOWER EXTERIOR STAIRS.
B. INTAKE TOWER EXTERIOR STAIRS. REFERENCE PHOTO D/G-002 FOR AN EXAMPLE
DETERIORATION AT THE SPILLWAY WIER.
A. SPILLLWAY WIER. REFERENCE PHOTO A/G-002 FOR AN EXAMPLE OF CONCRETE
FOLLOWING FEATURES:
DEPENDING ON THE DEPTH OF THE REPAIR AREA. THIS APPLIES TO THE
POLYMER-MODIFIED CONCRETE OR PORTLAND CEMENT CONCRETE,
REPAIRED AS DESCRIBED IN THE DRAWINGS AND SPECIFICATIONS USING EITHER
HONEYCOMBED, OR HOLLOW SOUNDING AREAS SHALL BE SOUNDED AND
1. ALL DETERIORATED CONCRETE SURFACES CONSISTING OF SCALED, SPALLED,
M A
Y
DIA.
WWF WELDED WIRE FABRIC
EXISTING ROCK SURFACE
T.O. TOP OF
O.C. ON CENTER
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IDENTIFICATION
SHEET
District
New England of Engineers
US Army Corps
S
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F
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P L
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C A
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SHEET OF
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EXISTING SPILLWAY CENTER LINE
CENTERLINE OGEE CREST
24'- 6 1/2"
40'
EXISTING
CONTROL
JOINTS
SPILLWAY WEIR
POCKETS 18 TOTAL
WEIR STABILIZATION ANCHOR
A
S-101
A
S-101
10 SPACES @ 25' = 250'
CONCRETE DETERIORATION, TYP.
CONCRETE DETERIORATION, TYP.CONCRETE DETERIORATION, TYP.
EL. 553
EL. 547
EL. 541
SURFACE
GROUND
EXISTING
EXISTING ROCK SURFACE
TYPICAL ANCHOR
OGEE CREST>
EL. VARIES
JOINT
CONSTRUCTION
DETERIORATION, TYP.
CONCRETE
TYP.
ANCHOR POCKET,
WEIR STABILIZATION
DETERIORATION, TYP.
CONCRETE
S-101
D
H
O
N -T
O -4
S -1
.d g n
NN
1" = 30'
030' 30' 60'
" = 1'-0"4
4' 0 4' 8'
GRAPHIC SCALE:
S P
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L W
A Y W
E
IR
S
E C
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N A
N D D
E T
A
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L A
W R
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C E C
A R
A B
A J
A L
A N
S I
D
:1
SCALE: 1" = 30'
SPILLWAY PLAN VIEW
A
S-101
SECTION
SCALE: 1/4" = 1'- 0"
M A
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A
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M A
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A P
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M A
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D E
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C O
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O
D R
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IN
G C
O D
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IDENTIFICATION
SHEET
District
New England of Engineers
US Army Corps
S
IZ
E
F
IL
E N
A M
E
P L
O T S
C A
L E
SHEET OF
C O
N C
O R
D
M A
S S
A C
H U
S E
T T S
N E
W E
N G
L A
N D D
IS
T R
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A R
M Y C
O R
P S O
F E
N G
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A
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S
T O
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E N
D
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D L
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A M
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EL. 508.0
EL. 500.0
EL. 583.0
EL. 613.0
EL. 607.0
27'-6"
A
S-201
A
S-201
27'-6"
4'-0"15'-10"4'-0 1/4 "
6"
TYPICAL
DETERIORATION,
CONCRETE
S-201
D S
H
A N
S I
D C
O N -T
O -4
S -2
.d g n
WEST ELEVATION
" = 1'-0"8
4' 0 4' 8' 12' 16' 20'
" = 1'-0"4
4' 0 4' 8'
GRAPHIC SCALE:
SCALE: 1/8" = 1'- 0" SCALE: 1/8" = 1'- 0"
PARTIAL DOWNSTREAM ELEVATION
SCALE: 1/4" = 1'- 0"
SECTION
L A
W R
E N
C E C
A R
A B
A J
A L
:1
E L E
V A
T
IO
N S A
N D S
E C
T
IO
N
IN
T
A K
E S
T R
U C
T U
R E
N
INTAKE TOWER STAIR NOTES
S-201
A
"CONCRETE REHABILITATION FOR CIVIL WORKS".
IN ACCORDANCE WITH SPECIFICATION SECTION 03 01 32
AND APPLY A POLYMER MODIFIED CONCRETE COATING
SCALING. FOR THESE AREAS, ROUGHEN SURFACE, CLEAN,
REFERENCE PHOTO D/G-002 FOR AN EXAMPLE OF TOPSIDE
EXISTS AT THE TOPSIDE OF THREE STAIR LANDINGS.
1. CONCRETE DETERIORATION IN THE FORM OF SCALING
REQUIRING REPAIR
STAIR LANDING
REQUIRING REPAIR
STAIR LANDING
REQUIRING REPAIR
STAIR LANDING
M A
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A O
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C O
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IN
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IDENTIFICATION
SHEET
District
New England of Engineers
US Army Corps
S
IZ
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F
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E N
A M
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P L
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C A
L E
SHEET OF
C O
N C
O R
D
M A
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A C
H U
S E
T T S
N E
W E
N G
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N D D
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M Y C
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P S O
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STRUCTURE
OUTLET WORKS
19+60
19+80
20+00
20+20
WATER
EDGE OF
W E
T
IV
E R
19+20.9
A
S-501
B
S-501
C
S-501
EL. 471.0
EL. 476.0
19+70 19+90 20+02 +/- 20+14
LIMIT OF FILL
SURFACE
ROCK
EXISTING
4" DRAINS
4" DRAIN
DEMOLISH EXISTING GRAVITY
RETAINING WALL AND RECONSTRUCT
EXISTING OUTLET
WALL TO REMAIN
SEE NOTE 2
JOINT
WALL CONSTRUCTION JOINT
WALL CONSTRUCTION
EDGE OF ROAD
24"
APPROXIMATE ROCK SURFACE
1.5
ROCKS
LARGE
EXISTING
EL. 471
RETAINING WALL
NEW GRAVITY
AS REQUIRED
REPLACE GRAVEL FILL
REQUIRED
PROTECTION AS
REPLACED STONE
EL. 476
REQUIRED
PROTECTION AS
REPLACE STONE
AS REQUIRED
REPLACE CRUSHED STONE
AS REQUIRED
REPLACE GRAVEL FILL
PREVENT BACKFILL MIGRATION.
OF DRAINAGE OPENING TO
SIZED WIRE MESH ON FILL SIDE
WALL. PROVIDE APPROPRIATELY
IN NEW GRAVITY RETAINING
NEW 4" DIA. PVC DRAIN PIPE
1.5
APPROXIMATE ROCK SURFACE
SPACED 5'- 0" O.C.
INTO 3 1/2" HOLES
#11 ANCHOR GROUTED
S E
T T
IN
G
TO REMAIN
EXISTING ROCKS
RETAINING WALL
NEW GRAVITY
D
S-501
AS REQURIED
REPLACE GRAVEL FILL
REQURIED
PROTECTION AS
REPLACE STONE
#11 ANCHOR BAR
11"
/2
2'-0"
3 - #5 BARS TOP OF WALL
#6 @6" O.C.
SI
DES
A
ND
TOP
APPROXIMATE T.O.
ROCK SURFACE
C L E
A R
2" C
LE
AR
W A
L L T
H
IC
K N
E S
S V
A R
IE
S
EXPOSED SURFACES
3/4" CHAMFER AT
SEE NOTE 7
SPACING O.C.
MAXIMUM 12"
END AND
#5 BARS @ EACH
SIDES
ALONG
MAXIMUM
@ 12" O.C.
#5 BARS
S-501
D S
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A N
S I
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O N -T
O -4
S -5
.d g n
G R
A V
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Y R
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A
IN
IN
G W
A L L
L A
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C E C
A R
A B
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SCALE: 1" = 5'
TYPICAL ANCHOR SECTION
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SCALE: 1" = 1'- 0"
RETAINING WALL SECTION
TYPICAL GRAVITY
GRAVITY RETAINING WALL NOTES
SCALE: 1" = 20'
PARTIAL OUTLET WORKS PLAN
SCALE: 3/4" = 1'
D
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A
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ELEVATION
SCALE: 1" = 10'
B
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SECTION
SCALE: 1" = 10'
C
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SECTION
ANCHOR DETAIL
WALL AND RECONSTRUCT
GRAVITY RETAINING
DEMOLISH EXISTING
WALL TO REMAIN
EXISTING OUTLET
SCALE: 1/4" = 1'- 0"
SCALE: 1" = 1'- 0"
CONSTRUCTION JOINT
RETAINING WALL VERTICAL
TYPICAL GRAVITY
M A
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1" = 20'
020' 20' 40'
1" = 10'
10 0 10 20
" = 1'-0"4
1' 0 1' 2' 3'
GRAPHIC SCALE:
1" = 1'-0"
1' 0 1' 2'
GRAVITY RETAINING WALL CONCRETE.
8. ROUGHEN ROCK SURFACE PRIOR TO PLACEMENT OF NEW
CONCRETE.
TERMINATE REINFORCEMENT 2" FROM VERTICAL FACE OF
7. REINFORCEMENT SHALL NOT EXTEND THROUGH THE JOINT.
6. PROVIDE 3/4" CHAMFER AT ALL EXPOSED SURFACES.
LOCATION WITHIN 6" OF DAMAGED ANCHOR.
DURING WALL DEMOLITION, REPLACE WITH NEW ANCHOR AT
GREATEST POSSIBLE EXTENT. IF ANCHOR IS DAMAGED
5. EXISTING GROUTED ANCHORS SHALL REMAIN TO THE
4. FENCE NOT SHOWN ON SECTIONS FOR CLARITY.
MINIMUM EMBEDMENT OF 6 INCHES.
AXIS. USE (4) - 1/2 INCH DIAMETER EPOXY ANCHORS WITH
CENTERLINE OF THE GRAVITY RETAINING WALL LONGITUDINAL
GRAVITY RETAINING WALL. PLACE MOUNTS ALONG THE
ATTACHING CHAIN LINK FENCE POSTS TO TOP SURFACE OF
3. USE CHAIN LINK SURFACE CONCRETE MOUNTS FOR
WALL.
DAYS AFTER RECONSTRUCTION OF THE GRAVITY RETAINING
20+14 AND RE-USE. REPLACE FENCE NO EARLIER THAN 14
2. REMOVE EXISTING FENCE BETWEEN STATIONS 19+70 AND
ON SECTIONS AND DETAILS ON THIS SHEET.
STATIONS 19+70 AND 20+14 AND RECONSTRUCT AS SHOWN
1. DEMOLISH EXISTING GRAVITY RETAINING WALL BETWEEN
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IDENTIFICATION
SHEET
District
New England of Engineers
US Army Corps
S
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F
IL
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P L
O T S
C A
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SHEET OF
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T T S
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N D D
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BAR SPLICE CHART
NEW BAR LAP SPLICE LENGTH
#3 1'-0"
#4 1'-3"
#5 1'-7"
#7 2'-3"
#6 1'-11"
#8 2'-6"
STEEL PINS
W1.4, 2X2 WWF
N T SN T S
TYPICAL REPAIR PATCH 6" OR GREATER DEPTHTYPICAL REPAIR PATCH BETWEEN 2" AND 6" DEPTH
CONCRETE
EXISTING
CAVITY BASE
TO CREATE A GREATER
SHALL BE "DOVETAILED"
EDGES OF CONCRETE
TYPICAL REPAIR PROCEDURES AND DETAILS
13. PLACE PORTLAND CEMENT CONCRETE.
REINFORCEMENT AND CONCRETE SUBSTRATE.
12. APPLY BONDING AGENT/CORROSION INHIBITOR TO EXPOSED
11. ENSURE REPAIR AREA IS SATURATED SURFACE DRY.
10. INSTALL FORMS.
CONCRETE AND LEACHATES.
9. SAND BLAST CONCRETE SURFACE TO REMOVE ALL LOOSE
THEN NO REPLACEMENT IS REQUIRED.
8. IF MORE THAN 75% OF THE ORIGINAL REBAR SECTION AREA REMAINS,
7. PROVIDE A LAP SPLICE AS INDICATED IN THE “BAR SPLICE CHART”.
THAN THE MAXIMUM SECTION AREA LOSS (#3 MINIMUM).
PROVIDE A NEW BAR HAVING SECTION GREATER
THE EXPOSED REBAR.
ORIGINAL REBAR SECTION REMAINS AT ANY POINT ALONG
6. REPLACE REINFORCING STEEL IF LESS THAN 75% OF THE
5. PLACE #3 BARS AS SHOWN.
4. DRILL AND GROUT #3 DOWELS AS SHOWN.
MINIMUM OF 1 INCH.
50% OF ITS CIRCUMFERENCE SHALL BE UNDERCUT BY A
3. ALL REINFORCING STEEL THAT IS EXPOSED GREATER THAN
2. SAWCUT PERIMETER OF REPAIR A MINIMUM OF 1 INCH DEEP.
OF 6 INCHES OR TO LIMITS SHOWN.
1. REMOVE ALL DETERIORATED CONCRETE TO MINIMUM DEPTH
MODIFIED CONCRETE
NEW POLYMER-
@ 12 EW (TYP.)
#3 BARS
CONCRETE (TYP.)
6" INTO SOUND
AND GROUTED
#3 DOWELS DRILLED
6" OR GREATER
CEMENT
NEW PORTLAND
CONCRETE
EXISTING
2" CLEAR
M A
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12. PLACE POLYMER-MODIFIED CONCRETE.
PINS, WWF, AND CONCRETE SUBSTRATE.
11. PLACE CORROSION INHIBITOR BONDING AGENT TO EXPOSED
10. ENSURE REPAIR AREA IS SATURATED SURFACE DRY.
9. INSTALL FORMS.
CONCRETE AND LEACHATES.
8. SAND BLAST CONCRETE SURFACE TO REMOVE ALL LOOSE
7. PROVIDE A LAP SPLICE AS INDICATED IN THE “BAR SPLICE CHART”.
GREATER THAN THE MAXIMUM SECTION AREA LOSS (#3 MINIMUM).
EXPOSED REBAR. PROVIDE A NEW BAR HAVING SECTION
ORIGINAL REBAR SECTION REMAINS AT ANY POINT ALONG THE
6. REPLACE REINFORCING STEEL IF LESS THAN 75% OF THE
USE WWF WHEN THE REPAIR AREA EXCEEDS 1.0 SQUARE FEET.
5. FASTEN W1.4/1.4, 2 INCH x 2 INCH WWF TO STEEL PINS. ONLY
4. PLACE STEEL PINS AT MAXIMUM OF 12 INCHES ON CENTER.
MINIMUM OF 1 INCH.
50% OF ITS CIRCUMFERENCE SHALL BE UNDERCUT BY A
3. ALL REINFORCING STEEL THAT IS EXPOSED GREATER THAN
2. SAWCUT PERIMETER OF REPAIR A MINIMUM OF 1 INCH DEEP.
OF 2 INCHES.
1. REMOVE ALL DETERIORATED CONCRETE TO MINIMUM DEPTH
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| G-001 |
| G-002 |
| S-101 |
| S-201 |
| S-501 |
| S-502 |
File details come from the government source that posted it. Updated .