PLANS_.pdf

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NOT TO SCALE

LOCATION PLAN

DESIGN FILESHEET NO.

G-001

INDEX TO DRAWINGS

NOT TO SCALE

VICINITY MAP

®of Engineers

US Army Corps

District

New England

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FRANKLIN FALLS DAM

NEW HAMPSHIRE

FRANKLIN,

CONCRETE REPAIRS TO SERVICE BRIDGE

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MER-FF-096_G-002.DGN

CHANNEL

APPROACH

SPILLWAY

UPSTREAM TERRACE

ROCK FILL TERRACE

CHANNEL

DISCHARGE

SPILLWAY

NN

RETAINING WALL

WEST INLET CHANNEL

RETAINING WALL

EAST INLET CHANNEL

WEIR

SPILLWAY

WALL

WEST

WALL

EASTWALL

WEST

WALL

CENTER

EL. 417.0±

DAM CREST

EL. 340.0

EL. 389.0

EL. 342.0±

EL. 355.0

EL. 389.0

EL. 355.0

EL. 330.0

EL. 320.0AND STILLING BASIN

OUTLET STRUCTURE

RETAINING WALL

EAST SPILLWAY

SERVICE BRIDGE & WORK LIMITS

MASSACHUSETTS

NASHUA

CONCORD

MANCHESTER

LACONIA

PROJECT

LOCATION

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GENERAL NOTES, ABBREVIATIONS, LEGEND AND SYMBOLS

S-101

SHEET TITLE

MER-FF-096_S-101.DGN PLAN VIEW NORTH AND SOUTH ELEVATIONS

MER-FF-096_S-501.DGN PIER AND ABUTMENT ELEVATIONS

MER-FF-096_S-502.DGN STRUCTURAL DETAILS AND BAR SPLICE CHART

S-501

S-502

W912WJ-16-B-0010SOLICITATION #:

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EXISTING CONCRETE

FIELD VERIFY LIMITS

NOT TO SCALE

CONCRETE DETERIORATION

REPRESENTATIVE

AT

ANGLE

BITUMINOUS CONCRETE

CENTERLINE

CENTER TO CENTER

CONSTRUCTION JOINT

BIT. CONC.

CC

CONSTR. JT.

EL.

EXIST.

EXP. JT.

DIAMETER

ELEVATION

EXISTING

EXPANSION JOINT

IDENTIFICATIONIDENT.

O

JT. JOINT

MANUFACTURER'S.

NTS

MFRS.

REINFORCEMENTREINF.

REQ'D. REQUIRED

STAINLESS STEELS.S.

STA. STATION

SYMMETRICALSYM.

TRANS. TRANSVERSE

TYPICALTYP.

UNLESS OTHERWISE NOTEDUON

CONCRETE CRACK

B

S-501

S-101

B

B

S-501

ABBREVIATIONS LEGENDSCOPE OF WORK

SECTION IDENTIFICATION LETTER

ARROW INDICATES DIRECTION OF SECTION

NO. OF SHEET ON WHICH SECTION IS DRAWN

SECTION SYMBOL

SECTION TITLE TITLE OF SECTION

SCALE: 0" = 0'- 0"

SECTION IDENTIFICATION LETTER

NO. OF SHEET ON WHICH SECTION IS TAKEN

SYMBOLS LEGEND

EXISTING GROUND SURFACE

G-002

A AT BRIDGE DECK FASCIA, TYP.

CONCRETE DETERIORATION

SCALE: NTS

NOT TO SCALE

G-002

B

SCALE: NTS

AT BRIDGE PIER

CONCRETE DETERIORATION

G-002

C

SCALE: NTS

G-002

D

SCALE: NTS G-002

E

SCALE: NTS

AT ABUTMENT WINGWALL, TYP.

CONCRETE DETERIORATION

AT BRIDGE PIER PEDESTAL, TYP.

CONCRETE DETERIORATION

CRACK AT BRIDGE RAILING POST

UPON COMPLETION OF REPAIR.

THIS WILL REQUIRE RIP RAP MOVEMENT AT THESE LOCATIONS. REPLACE RIP RAP

12" BENEATH THE EXISTING ADJACENT RIP RAP GROUND SURFACE ELEVATION.

10. CONCRETE REPAIR EFFORTS AT PEDESTALS AND WING WALLS SHALL EXTEND

03 30 53 "MISCELLANEOUS CAST-IN-PLACE CONCRETE".

9. 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

8. 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

7. 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

6. USING CONCRETE REMOVAL METHODS SPECIFIED IN SECTION

DETERIORATED AREAS.

OF ONE FOOT BEYOND ALL EDGES OF VISUALLY INSPECTED

SOUNDS. CONCRETE SURFACES SHALL BE SOUNDED A MINIMUM

HAMMER OR STEEL ROD AND LISTENING FOR DULL OR HOLLOW

DETERIORATED CONCRETE BY VISUAL INSPECTION AND BY TAPPING WITH A

ARE APPROXIMATE. CONTRACTOR SHALL DETERMINE THE LIMITS OF

5. DIMENSIONS SHOWN AT AREAS EXHIBITING CONCRETE DETERIORATION

A BRIDGE RAILING POST.

REFERENCE PHOTO E/G-002 FOR AN EXAMPLE OF CONCRETE CRACKING AT

CRACK SEALANT MANUFACTURER'S RECOMMENDATIONS FOR APPLICATION.

AND FREE OF OIL AND GREASE AND ANY OTHER CONTAMINANTS. FOLLOW

SURFACES. CRACK WALLS SHALL BE SOUND, CLEAN, DRY, FROST-FREE,

NON-SLAG/FLEXIBLE INJECTION ADHESIVE, AS SPECIFIED. CLEAN ALL

SHALL BE REPAIRED USING A ONE-COMPONENT POLYURETHANE BASED,

4. ALL CONCRETE DECK CRACKS 1/8" WIDE OR GREATER AT BRIDGE RAILING POSTS

CONCRETE".

WITH SPECIFICATION SECTION 03 30 53 "MISCELLANEOUS CAST-IN-PLACE

6" OR GREATER IN DEPTH. CONCRETE PLACEMENT SHALL BE IN ACCORDANCE

3. PORTLAND CEMENT CONCRETE SHALL BE USED FOR REPAIR OF ALL PATCHES

REHABILITATION FOR CIVIL WORKS".

BE IN ACCORDANCE WITH SPECIFICATION SECTION 03 01 32 "CONCRETE

BETWEEN 2" AND 6" IN DEPTH. POLYMER-MODIFIED CONCRETE PLACEMENT SHALL

2. POLYMER-MODIFIED CONCRETE SHALL BE USED FOR REPAIR OF ALL PATCHES

OF CONCRETE DETERIORATION AT THE ABUTMENT WING WALLS.

D. ABUTMENT WING WALLS. REFERENCE PHOTO D/G-002 FOR AN EXAMPLE

AT THE PEDESTALS.

REFERENCE PHOTO C/G-002 FOR AN EXAMPLE OF CONCRETE DETERIORATION

C. PEDESTALS AT BRIDGE PIER SUPPORTING SERVICE BRIDGE MAIN SPAN.

AT THE BRIDGE PIER.

REFERENCE PHOTO B/G-002 FOR AN EXAMPLE OF CONCRETE DETERIORATION

B. BRIDGE PIER AT SERVICE BRIDGE APPROACH SPAN BEARING LOCATIONS.

AT THE BRIDGE DECK FASCIA.

REFERENCE PHOTO A/G-002 FOR AN EXAMPLE OF CONCRETE DETERIORATION

A. BRIDGE DECK FASCIAS, AND PORTION OF BRIDGE PIER ABOVE DECK.

FOLLOWING FEATURES:

DEPENDING ON THE DEPTH OF THE REPAIR AREA. THIS APPLIES TO THE

POLYMER-MODIFIED CONCRETE OR PORTLAND CEMENT CONCRETE,

DESCRIBED IN THE DRAWINGS AND SPECIFICATIONS USING EITHER

HOLLOW SOUNDING AREAS SHALL BE SOUNDED AND REPAIRED AS

1. ALL DETERIORATED CONCRETE SURFACES CONSISTING OF SPALLED OR

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BRIDGE

ABUTMENT

INTAKE

TOWER

BRIDGE

PIER

12 PANELS @ 11'- 8" = 140'- 0"3 PANELS @ 11'- 8" = 35'- 0"

SLOPE OF DAM

1234567891011121314151617

BRIDGE

ABUTMENT

BRIDGE RAILING

INTAKE

TOWER

BRIDGE

PIER

INTAKE

TOWER

C.I. SCUPPERS TYPICAL

EXPANSION JOINT

EXPANSION JOINT

EXPANSION JOINT EXPANSION JOINTBRIDGE RAILINGBRIDGE RAILING POSTS

SLABS OF DECK

BETWEEN MONOLITH

CONTROL JOINT

SLABS OF DECK

BETWEEN MONOLITH

CONTROL JOINT

A

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S-501

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SERVICE BRIDGE MAIN SPAN SERVICE BRIDGE APPROACH SPAN

BRIDGE RAILING POSTS

CENTERLINE OF

BRIDGE DECK

FASCIA

BRIDGE DECK

BRIDGE RAILING BRIDGE DECK

FASCIA

BRIDGE DECK

BRIDGE RAILING POSTS

CENTERLINE OF

SLOPE O

F D

AM

G-002 FOR REPAIR.

REFERENCE NOTE 4 ON SHEET

LOCATIONS ON NORTH FASCIA.

RAILING POST, TYP. AT TEN

DECK CRACK AT BRIDGE

G-002 FOR REPAIR.

REFERENCE NOTE 4 ON SHEET

LOCATIONS ON SOUTH FASCIA.

RAILING POST, TYP. AT SIX

DECK CRACK AT BRIDGE

SHEET S-502 FOR REPAIR.

REFERENCE DETAILS ON

AT BRIDGE DECK FASCIA, TYP.

CONCRETE DETERIORATION

SHEET S-502 FOR REPAIR.

REFERENCE DETAILS ON

AT BRIDGE DECK FASCIA, TYP.

CONCRETE DETERIORATION

SHEET S-502 FOR REPAIR.

REFERENCE DETAILS ON

AT BRIDGE PIER ABOVE DECK.

CONCRETE DETERIORATION

BE REPAIRED

PEDESTALS TO

D

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4' 0 4' 8' 12' 16' 20'

GRAPHIC SCALE:

SCALE: 1/8" = 1'- 0"

NORTH ELEVATION VIEW

SCALE: 1/8" = 1'- 0"

SOUTH ELEVATION VIEW

SCALE: 1/8" = 1'- 0"

PLAN VIEW

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GROUND LINE UPSTREAM

GROUND LINE DOWNSTREAM

ABUTMENT

CURB

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> PIER

4'-6"

5'-0"

26'-4"

EL. 422.0

EL. 397.0

BRIDGE ABUTMENT

SERVICE BRIDGE

APPROACH SPAN

GIRDERS

5'-6"

4'-7"

ABUTMENT

BOTH SIDES OF

WINGWALL, TYP.

ABUTMENT

RAILING POST

BEARINGS FOR

MAIN SPAN OF

SERVICE BRIDGE

6'-0"

4'-0"

REPAIRS.

ON SHEET S-502 FOR

REFERENCE DETAILS

SPAN BEARING, TYP.

BRIDGE APPROACH

AT SERVICE

DETERIORATION

CONCRETE

PEDESTALS

MAIN SPAN TRUSS

SERVICE BRIDGE

FOR REPAIRS.

ON SHEET S-502

REFERENCE DETAILS

PEDESTALS.

FOUR SIDES OF

EXISTS ON ALL

DETERIORATION

CONCRETE

FOR REPAIRS.

ON SHEET S-502

REFERENCE DETAILS

DOWNSTREAM FACE, TYP.

OF WALL AND

EXISTS ALONG TOP

DETERIORATION

CONCRETE

16'-2"

CAST IRON SCUPPER

DRIP EDGE

REESTABLISH

6"

12'-6"1'-10"

4"

1'-10"

RAILING POST

OF CURB SLOPE WITH PATCH.

REESTABLISH 1" IN 12" TOP

AT RAILING POST TYPICAL.

CONCRETE DETERIORATION

OF CURB SLOPE WITH PATCH.

REESTABLISH 1" IN 12" TOP

AT RAILING POST TYPICAL.

CONCRETE DETERIORATION

DRIP EDGE

REESTABLISH

S-501

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SCALE: 1/4" = 1'- 0"

PIER UPSTREAM ELEVATION

S-101

A

SCALE: 1/4" = 1'- 0"S-101

SCALE: 1/4" = 1'- 0"S-101

PIER DOWNSTREAM ELEVATIONB

C ABUTMENT DOWNSTREAM ELEVATION

SCALE: 1/4" = 1'- 0"S-101

D

" = 1'-0"4

4' 0 4' 8'

GRAPHIC SCALE:

TYPICAL SECTION THROUGH BRIDGE DECK

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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"

@ 12 EW (TYP.)

#3 BARS

CONCRETE (TYP.)

6" INTO SOUND

AND GROUTED

#3 DOWELS DRILLED

STEEL PINS

W1.4, 2X2 WWF

N.T.S.N.T.S.

6" OR GREATER

TYPICAL REPAIR PATCH 6" OR GREATER DEPTHTYPICAL REPAIR PATCH BETWEEN 2" AND 6" DEPTH

CEMENT

NEW PORTLAND

CONCRETE

EXISTING

CONCRETE

EXISTING

CAVITY BASE

TO CREATE A GREATER

SHALL BE "DOVETAILED"

EDGES OF CONCRETE

TYPICAL REPAIR PROCEDURES AND DETAILS

MODIFIED CONCRETE

NEW POLYMER-

2" CLEAR

14. RE-ESTABLISH DRIP EDGE, WHEN APPLICABLE.

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

13. RE-ESTABLISH DRIP EDGE, WHEN APPLICABLE.

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

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 USE

CONCRETE.

SHALL HAVE A MINUMUM EMBEDDED DEPTH OF 6" INTO SOUND

4. PLACE STEEL PINS AT MAXIMUM OF 12 INCHES ON CENTER. PINS

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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