W9128F25BA008 - Oahe Spillway Apron Rehab Drawings 3of3.PDF

PDF 19 MB Posted Jul 24, 2025

Attached to: Oahe Dam Spillway Apron Slab Rehabilitation
Solicitation number: W9128F25BA008
Issued by: Department of the Army Corps of Engineers Engineering District Omaha

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W9128F25BA008 Attachment 01 - BID SCHEDULE - Spillway Apron Rehab.pdf	PDF	Jul 24, 2025
W9128F25BA008 - Oahe Spillway Apron Rehab Solicitation 1of3.pdf	PDF	Jul 24, 2025
W9128F25BA008 Oahe Spillway Apron Rehab Specifications 2of3.pdf	PDF	Jul 24, 2025

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SPILLWAY APRON SLAB REHABILITATION

OAHE DAM, SOUTH DAKOTA

W9128F25BA008

07/25/2025

OMAHA DISTRICT

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US Army Corps

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B A of Engineers

US Army Corps

SOLICITATION NO.:

CONTRACT NO.:

ISSUE DATE:

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MIRRORMIRR

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QUARTQT.

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PAPER TOWEL RECEPTACLEPTR

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PAPER TOWEL DISPENSERPTD

POST-TENSIONED CONCRETEPT CONC

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POUNDS PER SQUARE INCHPSI

POUNDS PER SQUARE FOOTPSF

PRESTRESSED CONCRETEPS CONC

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PIPE SPACEPS

PRESSURE-REGULATING VALVEPRV

PROJECTPROJ

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PREFINISHEDPREFIN

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PLASTERPLAS

PLASTIC LAMINATEPLAM

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POST INDICATING VALVEPIV

PREFAB ISOLATION POWER UNITPIPU

POINT OF INTERSECTIONPI

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PHASEPH

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WELDED WIRE MESHWWM

WELDED WIRE FABRICWWF

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WASTE STACKW.S.

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WASTE RECEPTACLEWR

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WATER HEATERWH

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WINDOWWDW

WASTE DISPOSERWDSP

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VERTICAL GRAINVG

VINYL FABRICVF

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VENTILATOR(TION)VENT

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VITRIFIED CLAY TILEVCT

VINYL COMPOSITION TILEVCT

VINYL BASEVB

VARNISHVAR

VOLTV

UNIT VENTILATORUV

UTILITYUTIL

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UNFINISHEDUNFIN

UNEXCAVATEDUNEX

UNDERWRITERS LABORATORIESUL

UNIT HEATERUH

UNDERGROUNDUGND

UNIT COOLERUC

TYPICALTYP

TELEVISIONTV

THERMOSTATTSTAT

TRANSVERSETRANS

TRANSOMTRANS

TOILET PARTITIONTPTN

TOILET PAPER DISPENSERTPD

TOP OF WALLTOW

TOP OF STEELTOS

TOP OF SLABTOS

TOPOGRAPHYTOPO

TOLERANCETOL

TOP OFTO

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TACKBOARDTK BD

THRESHOLDTHRES

THICK(NESS)THK

TRUSS HEADTH

TOGGLETGL

TONGUE AND GROOVET&G

TERMINALTERM

TERRAZZOTER

TEMPORARYTEMP

TEMPERATURETEMP

TELEPHONETEL

TERRA COTTATC

TOWEL BARTB

TANGENTTAN

TREADT

SYSTEMSYS

SYNTHETICSYNTH

SYMMETRICALSYMM

SWITCHBOARDSWBD

SWITCHSW

SHEET VINYL SV

SUSPENDEDSUSP

SUBFLOORSUB FL

STAIRWAYSTWY

STRUCTURALSTRUCT

STRINGERSTR

STATIC PRESSUREST PR

STORAGESTOR

STEELSTL

SEATINGSTG

STANDARDSTD

STATIONSTA

STAINLESS STEELSST

STANDING SEAM (ROOF)SS

SERVICE SINKSS

SHELF AND RODS&R

SQUARE HEADSQHD

SQUARESQ

SPEAKERSPKR

SPACE HEATERSPH

SPECIAL FINISHSP FIN

SOUNDPROOFSPF

SPECIFICATIONSPEC

ABBREVIATIONS

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

C A

N M

A P

A N

D A

C C

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S P

L A

G-100

N A

S K

A R

J O

S B

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G -1

.d g n

N A

S K

CONTRACTOR ACCESS

STRUCTURE AT ALL TIMES.

LOCATED IN THE SPILLWAY

WITH ACCESS TO THE DOORS

TO PROVIDE THE GOVERNMENT

THE CONTRACTOR IS REQUIRED

OAHE DAM SPILLWAY

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

B A

WORK AREA PLANACCESS PLAN

LOCATION MAP

OAHE LAKE

HWY 1

H W

WORK AREA

STAGING AREA

CONTRACTOR

POTENTIAL

OFFICER REPRESENTATIVE. FLAGGERS MUST BE QUALIFIED PER CHAPTER 6E OF THE MUTCD.

UNIFORM TRAFFIC CONTROL DEVICES (MUTCD). FLAGGERS MAY BE REQUIRED BY THE CONTRACTING

EQUIPMENT THROUGH OR AROUND TEMPORARY TRAFFIC CONTROL ZONE AS REQUIRED BY MANUAL OF

(MOTORISTS, BICYCLISTS, PEDESTRIANS, WORKERS, ENFORCEMENT/EMERGENCY OFFICIALS) AND

PROVIDE TEMPORARY TRAFFIC CONTROL NECESSARY FOR THE SAFE MOVEMENT OF ALL ROAD USERS 3.

REPAIRED AS APPROVED BY THE CONTRACTING OFFICER'S REPRESENTATIVE.

BRIDGES, CONCRETE STRUCTURES, TRAILS, FENCING, DRAINAGE FACILITIES, ETC.) SHALL BE

CONTRACTING OFFICER'S REPRESENTATIVE. ALL DAMAGES TO EXISTING FEATURES (ROADS,

SHALL BE RESTORED TO THE PRE-CONSTRUCTION CONDITION AS APPROVED BY THE

2. ALL ACCESS ROUTES, STAGING AREAS, AND ALL OTHER AREAS DISTURBED BY CONSTRUCTION

BY THE GOVERNMENT WILL BE REQUIRED AT ALL TIMES.

PERSONNEL DOORS (SEE WORK AREA PLAN BELOW FOR LOCATIONS). ACCESS TO THESE DOORS

STAGING AREA. THE CONTRACTOR SHALL NOT BLOCK THE GOVERNMENT FROM ACCESS TO

STOCKPILE CONSTRUCTION MATERIALS ONLY WITHIN THE WORK AREA OR THE DESIGNATED

OFFICER'S REPRESENTATIVE PRIOR TO THE START OF THE WORK. THE CONTRACTOR SHALL

1. THE LIMITS OF THE CONTRACTOR STAGING AREA SHALL BE ASSIGNED BY THE CONTRACTING

NOTES:

STAGING AREA

CONTRACTOR

POTENTIAL

CUTOFF WALL

R O

N S

E B

L O

C K

A P

R O

N S

E B

L O

C K

WEIR STRUCTURE EAST ABUTMENTWEST ABUTMENT

APRON SLAB

BASIN SLAB

END SILL

A N

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

W A

Y R

E P

P L

A N

S-100

N A

S K

A R

J O

S B

S -1

.d g n

N A

S K

W-2

W-3

W-4

W-5

W-6

W-7

W-8

W-9

W-10

W-11

W-12

W-13

W-14

E-2

E-3

E-4

E-5

E-6

E-7

E-8

E-9

E-10

E-11

E-12

E-13

E-14

CO-1CO-2CO-3CO-4CO-5CO-6CO-7CO-8CO-9CO-10CO-11CO-12CO-13CO-14CO-15

ES-1ES-3ES-4ES-5ES-6ES-7ES-8ES-9ES-18 ES-17 ES-16 ES-15 ES-14 ES-13 ES-12 ES-11 ES-10 ES-2

W-7.1

W-7.2

E-7.1

E-7.2

E-1

W-1.1

ABCDEFGHIJKLMNOPQR

BCDEFGHIJKLMNOPQ

W-1

E-1.1

BASIN END WALLS BASIN END WALLS

S01

J01

J02

S02

R01

R02

S03S04

S05

J04

S06

J05

J03

J06 J06

S07

S08 S09S10

S11

S12

S13

S14

S15R03

R04

R05

R06

R01

SIMR01 SIM, O.H.

J05

J01

SPALL REPAIR SCHEDULE

MARK AREA

SURFACE

APROX.

PHOTOS NOTES

S01 70 SF 1,2,3

S02 150 SF 4,5,6,25

S03 40 SF 7 END SILL SPALL

S04 15 SF 8 END SILL SPALL

S05 80 SF 9,10,11

S06 24 SF 12

S07 5 SF 13

S08 10 SF 14

S09 15 SF 15

S10 15 SF 16,17

S11 10 SF 18

S12 80 SF 18,19,20

S13 30 SF 21,22

S14 5 SF 23

S15 25 SF 24

JOINT REPAIR SCHEDULE

MARK LENGTH PHOTOS

J01 201 LF 5,6,25

J02 26,27

J03 30,31

28,29, J04 34,35

32,33, J05 12,36

J06 37,38

NOTES

INCLUDES NEW RETROFIT WATERSTOP

DETAIL

REPAIR

4/S-501

3/S-501

2/S-501

1/S-501

101 LF

456 LF

201 LF

375 LF

MISCELLANEOUS REPAIR SCHEDULE

MARK PHOTOS

R01 39,40

NOTES

SURFACE TO MATCH APRON SIDE BLOCKS

REPAIR DAMAGED CONCRETE AND RAISE CONCRETE

DETAIL

REPAIR

R02 41,42

R03 43 VERTICAL OFFSET OF APPROXIMATELY 1-1/4" TO 1-1/2"

R04 44,45 2/S-500 VERTICAL OFFSET OF APPROXIMATELY 7"

R05 46 VERTICAL OFFSET OF APPROXIMATELY 0" TO 1-3/4"

R06 47 VERTICAL OFFSET OF APPROXIMATELY 0" TO 1"

SURFACE TO MATCH APRON SIDE BLOCKS

REPAIR DAMAGED CONCRETE AND RAISE CONCRETE

EAST APRON SLAB

WEST APRON SIDE BLOCKS

3/S-501

4/S-501

INCLUDES NEW RETROFIT WATERSTOP

2/S-500

5/S-500

EAST END SILL

REPAIR EXPANSION JOINT

WEST APRON SLAB

CUT OFF WALL

WEST APRON END WALL

EAST APRON SIDE BLOCKS

REPAIR DAMAGED END SILL CONCRETE AT WALL5/S-500

10,11

1,2,9, R01, SIM

DETAILS

REPAIR

SHEET S-500

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

SPILLWAY REPAIR PLAN

1"=30'SCALE:

P T

H S

A W

C U

DEPTH

1" SAW CUT

2" MIN.

TYPICAL SPALL REPAIR DETAIL

N.T.S.

OFFSET REPAIR AT SIDE BLOCK WALL R03, R04, R05, AND R06

N.T.S.

AS REQUIRED (SEE NOTE 2)

REINFORCEMENT REPLACEMENT DETAIL

N.T.S.

90°T Y P

N.T.S.

TYPICAL SPALL REPAIR SAW CUT LINES

EXPANSION JOINT WIDTH

C L

SLAB REPAIR AT R01 AND R02 PLAN

N.T.S.

SLAB REPAIR AT R01, R01 SIM, AND R02 DETAIL

N.T.S.

A N

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

P A

E T

S-500

N A

S K

A R

J O

S B

S -5

.d g n

N A

S K

END WALL

EXISTING BASIN

APRON SIDE BLOCK

WITH ADJACENT EXISTING

CONCRETE UP TO BE FLUSH

REPAIR SURFACE AND PLACE

SIDE BLOCK

EXISTING APRON

R02 IS SIMILAR

R01 REPAIR AREA,

FOR JOINT REPAIR

SEE DETAILS 3 & 4/S-501

APRON SLAB

EXISTING

SPALL REPAIR NOTES:

1. SEE PHOTOS FOR APPROXIMATE SAW CUT LINE LOCATIONS. SEE DETAIL "TYPICAL SPALL REPAIR SAW CUT LINES" FOR LOCATING

SAW CUT LINE AROUND JOINTS. CONTRACTOR SHALL PERFORM SOUNDING AND MARK AREAS OF EXTENTS FOR REMOVAL TO BE

APPROVED BY THE CONTRACTING OFFICER'S REPRESENTATIVE PRIOR TO CONCRETE REMOVAL. SAW CUT LINES SHALL BE LOCATED

ALONG MARKED AREAS OF EXTENTS.

2. CONCRETE REMOVAL SHALL INCLUDE ALL DELAMINATED, SPALLED, DISINTEGRATED, AND OTHERWISE UNSOUND CONCRETE.

CONCRETE REMOVAL SHALL EXTEND A MINIMUM OF 2 INCHES BELOW EXISTING REINFORCEMENT (TOP FACE REINFORCEMENT IN

SLABS AND OUTER FACE REINFORCEMENT IN WALLS).

3. EXISTING REINFORCEMENT SHALL NOT BE CUT OR DAMAGED IN ANY WAY DURING CONCRETE REMOVAL.

4. ALL EXISTING JOINTS ALONG THE WEIR, END SILL, APRON SIDE BLOCKS, CUTOFF WALL, AND BASIN END WALLS HAVE WATERSTOPS

THROUGH THEM. EXISTING WATERSTOPS SHALL REMAIN CONTINUOUS. TAKE GREAT CARE NOT TO DAMAGE THE WATERSTOPS.

REUSE THE EXISTING WATERSTOP UNLESS NOTED OTHERWISE. WHEN THE WATERSTOPS ARE DAMAGED OR RE-USE IS NOT

PRACTICAL, EXPAND THE CONCRETE REMOVAL AREA AS REQUIRED TO REPLACE THE DAMAGED SECTION OF WATERSTOP WITH NEW

WATERSTOP. DEPTH OF NEW CONCRETE BENEATH REPLACED WATERSTOP SHALL BE A MINIMUM OF 2 INCHES. SPLICE NEW TO

EXISTING WATERSTOP AS RECOMMENDED BY THE WATERSTOP MANUFACTURER APPROVED BY THE GOVERNMENT. SUBMIT

WATERSTOP SPLICE AND REPAIR DETAILS FOR APPROVAL IN ACCORDANCE WITH THE MANUFACTURER'S WRITTEN

RECOMMENDATIONS.

5. PRIOR TO CONCRETE PLACEMENT, CLEAN EXPOSED CONCRETE SURFACES WITH A 7,000 PSI MINIMUM WATER BLAST TO ACHIEVE A

SOUND, CLEAN, AND OPEN PORE SURFACE. REINFORCEMENT SHALL BE CLEANED BY ABRASIVE BLASTING OR WATER

BLASTING.APPLY ANTI-CORROSION AGENT TO REINFORCEMENT. APPLY BONDING AGENT TO EXISTING CONCRETE SURFACE WITH

THE EXCEPTION OF EXPANSION JOINTS.

6. SPALL REPAIRS ON VERTICAL SURFACES SHALL HAVE FORMS THAT SHALL BE MORTAR-TIGHT AND BRACED TO WITHSTAND

CONCRETE PRESSURES. PROVIDE VENTS AS REQUIRED TO RELEASE AIR WITHIN FORMS AS CONCRETE IS PLACED. FORM WORK

SHALL REMAIN IN PLACE PER SPECIFICATIONS. SEE SPECS, SECTION 03 30 00. WALL REPAIRS SHALL HAVE PATCHES MATCH

SURROUNDING SURFACE.

7. SEE SECTION 03 01 00 REHABILITATION OF CONCRETE FOR ADDITIONAL REQUIREMENTS.

8. SEE DETAIL 4/S-500 FOR REBAR REPLACEMENT. REPLACE REINFORCEMENT WHERE EXISTING REINFORCEMENT IS DAMAGED

DURING CONCRETE REMOVAL OR REINFORCEMENT WITH SECTION LOSS GREATER THAN 20%, SEE SPEC SECTION 03 01 00, PART

3.2.2.1, A. COORDINATE REINFORCEMENT REPLACEMENT WITH THE CONTRACTING OFFICER'S REPRESENTATIVE.

TOP OF SLAB

WALL FACE

PERIMETER SAW CUT

REMOVAL LIMITS

CONCRETE

REINF.

EXISTING

REINF.

EXISTING

REMOVAL LIMITS

CONCRETE

SAW CUT

PERIMETER

SIDE SLOPE, TYP.

1:1 OR STEEPER

NOTES:

1. SEE S-905 FOR EXISTING REINFORCEMENT DETAILS.

2. SUBMIT OFFSET REMOVAL PLAN TO PROVIDE ACCURATE CONCRETE REMOVAL SURFACE.

3. FOR REBAR COVER AT APRON SIDE BLOCKS SEE S-903.

4. THE SLOPE OF THE 1:1 CONCRETE REMOVAL MAY BE ADJUSTED AT R04 IN ORDER TO

PROVIDE AN ESTIMATED CLEAR COVER OF 1 INCH OVER EXISTING REINFORCEMENT.

APRON SIDE BLOCK

EXISTING UPSTREAM

FLOW

APRON SIDE BLOCK

DOWNSTREAM

R04 JOINT

MATERIAL FOR THE

PROVIDE FILLER

CORNER TO THIS LINE

REMOVE CONCRETE AT

TO REMAIN

EXISTING REINF.

SEE S-903

PER AS-BUILT

4" CLEAR COVER

NOTES:

1. LAP SPLICE LENGTH SHALL BE AS FOLLOWS:

#3 - 1'-5" #4 - 1'-11"

#5 - 2'-5" #6 - 2'-11"

#7 - 4'-3" #8 - 4'-10"

#9 - 5'-6" #10 - 6'-2"

2. CONCRETE REMOVAL EXTENTS SHALL BE AS REQUIRED TO

EXPOSE ENOUGH SOUND REBAR TO SPLICE WITH NEW BAR

LAP SPLICE

REINF.

EXISTING

TOP OF SLAB

REMOVAL LIMITS

CONCRETE

EXISTING REINF.EXISTING

SHALL MATCH

NEW BAR SIZE

NEW REINF.

SPLICE

IN LIEU OF LAP

SPLICE OPTIONAL

MECHANICAL

NOTES:

1. ALL PATCH REPAIRS SHALL BE RECTANGULAR IN SHAPE. SAW CUT LINES SHALL RUN EITHER PERPENDICULAR OR

PARALLEL TO THE SPILLWAY STRUCTURE. SAW CUT LINES FOR PATCHES AWAY FROM JOINTS SHALL BE SIMILAR

AND RECTANGULAR.

2. SEE DETAIL "TYPICAL SPALL REPAIR DETAIL" ON THIS SHEET FOR ADDITIONAL REQUIREMENTS FOR LOCATING SAW CUTS.

3. CONSTRUCTION JOINTS IN THE APRON SLAB MAY BE A SINGLE CONCRETE PLACEMENT WITH A TOOLED JOINT.

CONCRETE AT THE EXPANSION JOINTS SHALL BE CAST SEPARATELY WITH DISCONTINUOUS REINFORCEMENT.

4. REMOVAL AREAS SHALL BE RECTANGULAR AND OF UNIFORM DEPTH. RE-ENTRANT CORNERS OR L-SHAPED REPAIRS

WILL NOT BE PERMITTED. REMOVAL OF SOUND CONCRETE WILL BE NECESSARY TO ACHIEVE ACCEPTABLE GEOMETRY

FOR NEW CONCRETE PLACEMENT.

SEE NOTE 3

SPALL OR

DAMAGED

CONCRETE

ON EACH SIDE

USE FORM AT EDGE

JOINT

CONSTRUCTION

JOINT

EXPANSION

IN REPAIR DIM.

JOINT @ CHANGE

CONSTRUCTION

SPALL OR

DAMAGED

CONCRETE

SPALL OR

DAMAGED

CONCRETE

3-1/4

3-0

2-5/8

2-0

3-0

2-3/4

2-3/8

3-1/4

2-3/8

2-0

EXPANSION JOINT WIDTH IS CONSISTENT ALONG ITS ENTIRE LENGTH.

SHALL MATCH THE ADJACENT JOINT WIDTH AS IT CHANGES, SO THE

CONCRETE PLACEMENT. SUBSEQUENT CONCRETE PLACEMENTS

LONG) THERMOMETER. MEASURE TEMPERATURE NEXT TO FIRST

MEASURING THE TEMPERATURE WITH A LONG-STEMMED (AT LEAST 10"

HOLE WITH WATER, WAITING FOR TEMPERATURE TO EQUALIZE, AND

TEMPERATURE BY CORING 12" INTO THE EXISTING SLAB, FILLING THE

AS SPECIFIED IN THE TABLE. CONTRACTOR SHALL MEASURE INTERNAL

EXPANSION JOINT WIDTH FOR INITIAL CONCRETE PLACEMENT SHALL BE

NOTE:

EJ WIDTH (IN.)

EXISTING SLAB (°F)

INTERNAL TEMP OF

@ THE WALL

SAW CUT 2" DEEP

SURFACE

CONCRETE

EXISTING

AGENT

APPLY BONDING

EXISTING CONCRETE

TO REMAIN

EXISTING REINF.

CONCRETE

METHOD TO REACH SOUND

OTHER APPROVED REMOVAL

USE CHIPPING HAMMER OR

S-500

R02 IS SIMILAR

R01 REPAIR AREA

TO REMAIN

EXISTING REINF.

CONCRETE

SIDE BLOCK

EXISTING APRON

SIDE BLOCK SURFACE

WITH ADJACENT APRON

REPAIR SURFACE FLUSH

MANUFACTURER'S WRITTEN INSTRUCTIONS

ACCORDANCE WITH THE EPOXY

CONCRETE 4" MIN. WITH EPOXY INSTALLED IN

BARS @ 8" O.C.E.W. EMBEDDED INTO EXISTING

EXISTING BAR, "d" EXCEEDS 6", ADD NEW # 4

WHERE REPAIRED SURFACE TO TOP OF

EXISTING BASIN

END WALL

EXISTING APRON

SIDE BLOCK

EXISTING APRON SLAB

METHODS

IF REQUIRED BY REMOVAL

UP TO REACH REPAIR LIMITS

REPAIR MAY BE EXTENDED

JOINT

S L

O P

FLOW

NOTES:

FOR R01, SIM:

1- NO CONCRETE RAISING REQUIRED.

2- REFER TO AS-BUILT DWGS FOR LOCATION OF EXISTING REINFORCEMENT TO REMAIN.

WRITTEN INSTRUCTIONS

MANUFACTURER'S

EXPANSION JOINT PER

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

PHOTOGRAPH # 39 OFFSET REPAIR

DIMENSION

1 1/2" AS-BUILT

L A

/2 C

2 1/2" CL.1'-0"

4" 2 1/2" CL.

2'-0"

L A

C L

1 1/2 "

L A

/2 C

ON S-500

SEE TABLE

MIN. 18"

2'-0"

2 1/2" CL.

4" CL.

2' - 0"

2'-1"

EXPANSION JOINT REPAIR AT CUT OFF WALL J06

N.T.S.

EXPANSION JOINT REPAIR AT SIDE WALL J02, J03

N.T.S.

WATERSTOP REPAIR AT APRON SIDE BLOCKS J01, J05

N.T.S.

L A

/2 C

FOR EJ WIDTH

SEE 7/S-500

MIN. 18"

1'-0"

2 1/2" CL.

2' - 0"

WATERSTOP REPAIR AT END SILL J04

N.T.S.

ON S-500

SEE TABLE

EXPANSION JOINT DETAIL

N.T.S.

ON 7/S-500

SEE TABLE

EXPANSION JOINT WITH WATERSTOP DETAIL

N.T.S.

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

P A

E T

S-501

N A

S K

A R

J O

S B

S -5

.d g n

N A

S K

SPILLWAY BASIN SLAB

FILLER REMOVED

REPLACE ANY JOINT

END WALL

EXISTING BASIN

WATERSTOP

EXISTING 12" COPPER

WRITTEN INSTRUCTIONS

THE MANUFACTURER'S

CONFORMANCE WITH

INSTALL IN STRICT

WIDTH BETWEEN 2"- 3 1/4".

JOINT TO ACCOMMODATE

PLACE NEW EXPANSION

SHALL FORM 90°ANGLE WITH TOP OF SLAB.

JOINT MATERIAL. VERTICAL SURFACE

SAW CUT DEPTH AS NEEDED FOR NEW

TO REMAIN

EXISTING # 5 @ 12"

TO REMAIN

EXISTING # 4 @ 6" U BARS

CONT. SLAB REINF. TO REMAIN

EXISTING # 9 @ 12" EACH WAY

NOTES:

1. SEE SHEET S-908 FOR EXISTING REINFORCEMENT DETAILS.

EXISTING SPILLWAY APRON SLAB

FILLER REMOVED

REPLACE ANY JOINT

CUT-OFF WALL

EXISTING SPILLWAY

WATERSTOP TO REMAIN

EXISTING 12" COPPER

WRITTEN INSTRUCTIONS

THE MANUFACTURER'S

CONFORMANCE WITH

INSTALL IN STRICT

WIDTH BETWEEN 2"- 3 1/4".

TO ACCOMMODATE

JOINT MATERIAL

PLACE NEW EXPANSION

SHALL FORM 90°ANGLE WITH TOP OF SLAB.

JOINT MATERIAL. VERTICAL SURFACE

SAW CUT DEPTH AS NEEDED FOR NEW

SLAB REINF. TO REMAIN

EACH WAY CONT.

EXISTING # 9 @ 12"

TO REMAIN

EXISTING # 4 @ 6" U BARS

EXISTING # 5 @ 12"

TO REMAIN

EXISTING # 9 @ 12" E.W.

TO REMAIN

EXISTING # 9 @ 12" E.W.

NOTES:

1. SEE S-904 DRAWING FOR EXISTING REINFORCEMENT DETAILS.

FLOW

DIMENSION

AS-BUILT

APRON SLAB

EXISTING SPILLWAY

SIDE BLOCKS

EXISTING APRON

2" SAW CUT

CONT. SLAB REINF. TO REMAIN

EXISTING # 9 @ 12" EACH WAY

TO REMAIN

EXISTING # 4 @ 6" U BARS

TO REMAIN

EXISTING # 5 @ 12"

NOTES:

1. SEE S-904, S-905 FOR EXISTING REINFORCEMENT DETAILS.

2. THE NEW PVC WATERSTOP SHALL BE CAPABLE OF WITHSTANDING UPTO 1 INCH OF

LONGITUDINAL MOVEMENT PARALLEL TO THE END SILL.SEE SPECS, 03 30 00 FOR WATERSTOPS

REQUIREMENTS.

3. NEW WATERSTOP SHALL BE SPLICED TO EXISTING COPPER WATERSTOPS AS RECOMMENDED

BY THE WATERSTOP MANUFACTURER AND APPROVED BY THE GOVERNMENT.

4. BEFORE ATTACHING WATER STOP TO EXISTING CONCRETE WITH BATTENS, USE SILICONE CAULK

AT UNEVEN AND POROUS VERTICAL SURFACES TO ACHIEVE A SQUEEZE-OUT CONDITION.

AT END SILL FACE

COPPER WATERSTOP

CUT EXISTING

REBARS

WITHOUT DAMAGING

REMOVE CONCRETE

AROUND REINF.

SLOT WATERSTOP

NEW PVC WATERSTOP,

TO REMAIN

EXISTING REINF.

LEDGE

PROTECT EXISTING

TO REMAIN.

EXISTING # 11 ANCHOR

TO REMAIN.

EXISTING # 11 ANCHOR

TO REMAIN.

EXISTING # 11 ANCHOR

APRON SLAB

EXISTING SPILLWAY

END SILL

EXISTING

2" SAW CUT

CONT. SLAB REINF. TO REMAIN

EXISTING # 9 @ 12" EACH WAY

TO REMAIN

EXISTING # 4 @ 6" U BARS

TO REMAIN

EXISTING # 5 @ 12"

NOTES:

1. SEE S-907 FOR EXISTING REINFORCEMENT DETAILS.

2. THE NEW PVC WATERSTOP SHALL BE CAPABLE OF WITHSTANDING TO 1 INCH OF LONGITUDINAL

MOVEMENT PARALLEL TO THE END SILL. SEE SPECS, 03 30 00 FOR WATERSTOPS REQUIREMENTS.

3. NEW WATERSTOP SHALL BE SPLICED TO EXISTING COPPER WATERSTOPS AS RECOMMENDED BY THE

WATERSTOP MANUFACTURER AND APPROVED BY THE GOVERNMENT.

AT END SILL FACE

COPPER WATERSTOP

CUT EXISTING

REBARS

WITHOUT DAMAGING

REMOVE CONCRETE

FLOW

1:12 SLOPE

AROUND REINF.

SLOT WATERSTOP

NEW PVC WATERSTOP,

EXISTING END SILL

1/2" LOWER THAN THE

SLAB CONCRETE SURFACE

LEDGE

PROTECT EXISTING

TO REMAIN.

EXISTING # 11 ANCHOR

IN ORDER TO PROVIDE COVER.

MAY NEED TO BE BENT DOWNWARD

OVER REINFORCEMENT. U-BARS

PROVIDE MINIMUM 1 1/2" COVER

NOTES:

1. SEE S-907 FOR EXISTING REINFORCEMENT DETAILS.

2. DISTANCE FROM TOP OF SLAB TO TOP OF NEW EXPANSION JOINT

MATERIAL SHALL BE AS REQUIRED BY JOINT MATERIAL MANUFACTURER.

WRITTEN INSTRUCTIONS

THE MANUFACTURER'S

CONFORMANCE WITH

INSTALL IN STRICT

WIDTH BETWEEN 2"-3 1/4".

TO ACCOMMODATE

NEW EXPANSION JOINT

WATERSTOP

EXISTING COPPER

BASIN END WALL

CUT-OFF WALL/

EXISTING SPILLWAY

APRON SLAB

EXISTING SPILLWAY

EXISTING REINF.

1:12 SLOPE

FILLER

EXISTING JOINT

EXPANSION JOINT

REINFORCEMENT LOCATION.

ACCURATELY DETERMINE EXISTING

OTHER APPROVED METHOD TO

LESS THAN 1", PERFORM GPR OR

EXISTING COVER WILL BE REDUCED TO

FOR REINFORCEMENT COVER. WHERE

EXISTING REINFORCEMENT. SEE S-906

JOINT MATERIAL WILL LIKELY IMPACT

NOTIFY THE COR IF NEW EXPANSION

NOTES:

1. SEE S-907 FOR EXISTING END SILL REINFORCEMENT DETAILS.

2. DISTANCE FROM TOP OF SLAB TO TOP OF NEW EXPANSION JOINT MATERIAL SHALL BE AS REQUIRED

BY JOINT MATERIAL MANUFACTURER.

3. THE NEW PVC WATERSTOP SHALL BE CAPABLE OF WITHSTANDING UP TO 1 INCH OF LONGITUDINAL

MOVEMENT PARALLEL TO THE END SILL. SEE SPECS, 03 30 00 FOR WATERSTOPS REQUIREMENTS.

4. BEFORE ATTACHING WATER STOP TO EXISTING CONCRETE WITH BATTENS, USE SILICONE CAULK

AT UNEVEN AND POROUS VERTICAL SURFACES TO ACHIEVE A SQUEEZE-OUT CONDITION.

WRITTEN INSTRUCTIONS

THE MANUFACTURER'S

CONFORMANCE WITH

INSTALL IN STRICT

WIDTH BETWEEN 2"-3 1/4".

TO ACCOMMODATE

NEW EXPANSION JOINT

AT FACE OF THE WALL

COPPER WATERSTOP

CUT EXISTING

END SILL

EXISTING

WIDTH BETWEEN 2"-3 1/4"

TO ACCOMMODATE JOINT

AROUND REINF.

SLOT WATERSTOP

NEW PVC WATERSTOP.

DETAIL 2 ON THIS SHEET

NEW CONCRETE PER

EXISTING REINF.

EXISTING END SILL

1/2" LOWER THAN THE

SLAB CONCRETE SURFACE

1:12 SLOPE

FILLER

NEW JOINT SCREWS

BARS AND CONCRETE

STAINLESS STEEL BATTEN

EXPANSION JOINT

BEND/BULB

WATERSTOP

JOINT FILLER IN

DO NOT PLACE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

O T

O G

R A

P H

-6

S-800

N A

S K

A R

J O

S B

S -8

.d g n

N A

S K

PATCH BOUNDARY S01

PATCH BOUNDARY

PATCH BOUNDARY S02

PATCH BOUNDARY S02 PATCH BOUNDARY S02

PATCH BOUNDARY

JOINT REPAIR J01

JOINT REPAIR J04

GEOMETRY

CHANGES IN

TO AVOID ABRUPT

PROVIDE JOINT

RO1, SIM

R01 SIM

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

REPAIR S01, RO1 SIM

PHOTOGRAPH #1

REPAIR S01, R01 SIM

PHOTOGRAPH #2

REPAIR S01

PHOTOGRAPH #3

REPAIR S02 AND J01

PHOTOGRAPH #5

REPAIR S02, J01

PHOTOGRAPH #4

REPAIR S02 AND J01

PHOTOGRAPH #6

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

O T

O G

R A

P H

-1

S-801

N A

S K

A R

J O

S B

S -8

.d g n

N A

S K

JOINT REPAIR J05

JOINT REPAIR J04

J04 JOINT REPAIR

JOINT REPAIR J05

J02

JOINT REPAIR

S05 PATCH BOUNDARY

PATCH BOUNDARY S05

PATCH BOUNDARY S06

R01 SIM, O.H.

R01, SIM. O.H. R01, SIM. O.H.

R01, SIM. O.H.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

REPAIR S03, J04

PHOTOGRAPH #7

REPAIR S04, J04

PHOTOGRAPH #8

REPAIR S05, R01 SIM O.H.

PHOTOGRAPH #9

REPAIR S05

PHOTOGRAPH #11

REPAIR S05, R01 SIM O.H.

PHOTOGRAPH #10

REPAIR S06

PHOTOGRAPH #12

EXTENTS

S04 REPAIR

APPROXIMATE

EXTENTS

S03 REPAIR

APPROXIMATE

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

O T

O G

R A

P H

-1

S-802

N A

S K

A R

J O

S B

S -8

.d g n

N A

S K

JOINT REPAIR J06

PATCH BOUNDARY

EXTENT WITH THE COR

DETERMINE REPAIR

CLEAN SURFACE AND

BOUNDARY WITH THE COR

COORDINATE PATCH

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

REPAIR S07

PHOTOGRAPH #13

REPAIR S08

PHOTOGRAPH #14

REPAIR S09

PHOTOGRAPH #15

REPAIR S10

PHOTOGRAPH #17

REPAIR S10

PHOTOGRAPH #16

REPAIR S11 AND S12

PHOTOGRAPH #18

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

O T

O G

R A

P H

-2

S-803

N A

S K

A R

J O

S B

S -8

.d g n

N A

S K

EXTENTS WITH COR

DETERMINE REPAIR

CLEAN SURFACE AND

EXTENTS WITH COR

DETERMINE REPAIR

CLEAN SURFACE AND

JOINT REPAIR J06

PATCH BOUNDARY

BOUNDARY WITH COR

COORDINATE PATCH

JOINT REPAIR J06

OFFSET REPAIR

BOUNDARY WITH COR

COORDINATE PATCH

PATCH BOUNDARY

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

REPAIR S12

PHOTOGRAPH #19

REPAIR S12

PHOTOGRAPH #20

REPAIR S13

PHOTOGRAPH #21

REPAIR S14

PHOTOGRAPH #23

REPAIR S13

PHOTOGRAPH #22

REPAIR S15

PHOTOGRAPH #24

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

O T

O G

R A

P H

-3

S-804

N A

S K

A R

J O

S B

S -8

.d g n

N A

S K

JOINT REPAIR J01

JOINT REPAIR

PATCH BOUNDARY S02

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

REPAIR J01 AND S02

PHOTOGRAPH #25

REPAIR J02

PHOTOGRAPH #26

REPAIR J02

PHOTOGRAPH #27

REPAIR J03

PHOTOGRAPH #29

REPAIR J03

PHOTOGRAPH #28

REPAIR J03

PHOTOGRAPH #30

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

O T

O G

R A

P H

-3

S-805

N A

S K

A R

J O

S B

S -8

.d g n

N A

S K

JOINT REPAIR

PATCH BOUNDARY

REPLACE WATERSTOP

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

REPAIR J03

PHOTOGRAPH #31

REPAIR J04

PHOTOGRAPH #32

REPAIR J04

PHOTOGRAPH #33

REPAIR J04

PHOTOGRAPH #35

REPAIR J04

PHOTOGRAPH #34

REPAIR J05

PHOTOGRAPH #36

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

O T

O G

R A

P H

-4

S-806

N A

S K

A R

J O

S B

S -8

.d g n

N A

S K

JOINT REPAIR J01

JOINT REPAIR J05

REPAIR SLAB

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

REPAIR J06

PHOTOGRAPH #37

REPAIR J06

PHOTOGRAPH #38

REPAIR R01

PHOTOGRAPH #39

REPAIR R02

PHOTOGRAPH #41

REPAIR R01

PHOTOGRAPH #40

REPAIR R02

PHOTOGRAPH #42

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

O T

O G

R A

P H

-4

S-807

N A

S K

A R

J O

S B

S -8

.d g n

N A

S K

OFFSET REPAIR

PATCH BOUNDARY

MAY REMAIN IN PLACE

TO BE ADJUSTED SO SURVEY PIN

DURING REPAIR. REPAIR MAY NEED

DO NOT DAMAGE SURVEY PIN

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

REPAIR R03

PHOTOGRAPH #43

REPAIR R04

PHOTOGRAPH #44

REPAIR R04

PHOTOGRAPH #45

REPAIR R06

PHOTOGRAPH #47

REPAIR R05

PHOTOGRAPH #46

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

F E

R E

N C

E D

R A

S-900

N A

S K

A R

J O

S B

S -9

.d g n

N A

S K

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

FOR INFORMATION ONLY

EXISTING CONDITIONS AND DIMENSIONS.

ONLY. THE CONTRACTOR SHALL FIELD VERIFY ALL

THIS DRAWING SHEET IS PROVIDED FOR INFORMATION

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

F E

R E

N C

E D

R A

S-901

N A

S K

A R

J O

S B

S -9

.d g n

N A

S K

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

FOR INFORMATION ONLY

EXISTING CONDITIONS AND DIMENSIONS.

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

F E

R E

N C

E D

R A

S-902

N A

S K

A R

J O

S B

S -9

.d g n

N A

S K

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

FOR INFORMATION ONLY

EXISTING CONDITIONS AND DIMENSIONS.

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

F E

R E

N C

E D

R A

S-903

N A

S K

A R

J O

S B

S -9

.d g n

N A

S K

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

FOR INFORMATION ONLY

EXISTING CONDITIONS AND DIMENSIONS.

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

F E

R E

N C

E D

R A

S-904

N A

S K

A R

J O

S B

S -9

.d g n

N A

S K

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

FOR INFORMATION ONLY

EXISTING CONDITIONS AND DIMENSIONS.

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

F E

R E

N C

E D

R A

S-905

N A

S K

A R

J O

S B

S -9

.d g n

N A

S K

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

FOR INFORMATION ONLY

EXISTING CONDITIONS AND DIMENSIONS.

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

F E

R E

N C

E D

R A

S-906

N A

S K

A R

J O

S B

S -9

.d g n

N A

S K

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

FOR INFORMATION ONLY

EXISTING CONDITIONS AND DIMENSIONS.

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

F E

R E

N C

E D

R A

S-907

N A

S K

A R

J O

S B

S -9

.d g n

N A

S K

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

FOR INFORMATION ONLY

EXISTING CONDITIONS AND DIMENSIONS.

W A

Y A

P R

O N

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A B

R E

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D A

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N E

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O L

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A H

A D

N U

M B

E R

E N

A M

S D

E N

F E

R E

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E D

R A

S-908

N A

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J O

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S -9

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N A

S K

S U

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C O

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C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

FOR INFORMATION ONLY

EXISTING CONDITIONS AND DIMENSIONS.

W A

Y A

P R

O N

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H A

O A

H E

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O U

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D A

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T A

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A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

E N

A M

S D

E N

F E

R E

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E D

R A

S-909

N A

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A R

J O

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S -9

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N A

S K

S U

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E D

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E C

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D E

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D B

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C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

FOR INFORMATION ONLY

EXISTING CONDITIONS AND DIMENSIONS.

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

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M -1

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(SEE NOTES FOR REQUIREMENTS)

REPLACE OVERFLOW CHECK VALVE

(SEE NOTES FOR REQUIREMENTS)

REPLACE OVERFLOW CHECK VALVE

(SEE NOTES FOR REQUIREMENTS)

REPLACE OVERFLOW CHECK VALVE

S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

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A D

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N T

7. SEE SHEET M-102 FOR PHOTOGRAPHS OF OVERFLOW CHECK VALVE EXISTING CONDITIONS.

MINUTES PRIOR ENTERING THE GALLERY.

6. CONTRACTOR MUST ALLOW THE AIR EXCHANGE BLOWER IN THE SPILLWAY GALLERY TO RUN A MINIMUM OF SEVEN

5. CONTRACTOR MUST FOLLOW ALL SAFETY REQUIREMENT AS OUTLINE IN EM 385-1-1, MARCH 2024.

STAINLESS STEEL NUTS AND BOLTS, GASKETS, AND DIELECTRIC ACCESSORIES (IF NEEDED), PER THE SPECIFICATIONS.

4. CONTRACTOR SHALL CLEAN THE EXISTING FLANGE FACE TO BARE METAL AND MOUNT NEW VALVE USING NEW

IN ACCORDANCE WITH THE SPECIFICATIONS AND APPROVED BY THE COR PRIOR TO DELIVERY TO THE SITE.

EXTERIOR FOR PAINTING IN ACCORDANCE WITH THE SPECIFICATIONS. CONTRACTOR SHALL PROVIDE PAINT MATERIALS OF INTERIOR PIPE CONDITION BEFORE INSTALLING NEW VALVE. CONTRACTOR SHALL CLEAN AND PREPARE PIPE

3. CONTRACTOR SHALL REMOVE EXISTING VALVE, INSPECT EXISTING PIPE, AND PROVIDE AN INSPECTION REPORT

THE GALLERY ACCESS SHAFT AND ATTACHED TO A 6-INCH CAST IRON PIPE AS SHOWN IN THE DRAWING.

2. THE OVERFLOW CHECK VALVES ARE LOCATED AT EACH ABUTMENT IN A 4 FT. X 4 FT. X 1 FT. 8-INCH DEEP RECESS IN

EXISTING. VALVE SHALL BE APPROVED BY THE COR PRIOR TO DELIVERY TO THE SITE

1. REPLACE TWO OVERFLOW CHECK VALVES. CONTRACTOR SHALL PROVIDE VALVE WITH FLANGE STYLE TO MATCH

OVERFLOW CHECK VALVE REPLACEMENT NOTES:

g6edxjk6 Typewritten Text M-101 g6edxjk6 Typewritten Text

MATTHEW BORYS

g6edxjk6 Typewritten Text

MATTHEW BORYS

g6edxjk6 Typewritten Text

ROBERT WORDEN

g6edxjk6 Typewritten Text

KYLE HEDDENS

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OVERFLOW CHECK VALVE

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REPLACEMENT DETAILS

W A

Y A

P R

O N

S L

A B

R E

H A

O A

H E

D A

M S

O U

T H

D A

K O

T A

B A

A H

N E

C A

O L

A V

O M

A H

A D

N U

M B

E R

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A M

M -1

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S U

B M

E D

B Y

C H

E C

K E

D B

D R

A W

N B

D E

N E

D B

C O

N T

R A

C T

N O

S O

N N

U E

D A

T E

S I Z

M A

R K

D E

S C

N D

A T

SHEET ID

®of Engineers

US Army Corps

U .S

R M

Y C

O R

P S

O F

E N

E E

R S

A D

V E

R T

M E

N T

BOTTOM VIEW

VALVECHECK OVERFLOW EMERGENCY SPILLWAY

FRONT VIEW

EMERGENCY SPILLWAY OVERFLOW CHECK VALVE

LEFT SIDE

EMERGENCY SPILLWAY OVERFLOW CHECK VALVE

TOP VIEW

EMERGENCY SPILLWAY OVERFLOW CHECK VALVE

RIGHT SIDE

EMERGENCY SPILLWAY OVERFLOW CHECK VALVE

WALL FLANGE CONNECTION

EMERGENCY SPILLWAY OVERFLOW CHECK VALVE

NOTE: PHOTOGRAPHS SHOWN ARE OF OVERFLOW CHECK VALVE LOCATED ON THE LEFT SIDE AS LOOKING DOWNSTREAM g6edxjk6 Typewritten Text M-102 g6edxjk6 Typewritten Text

MATTHEW BORYS

g6edxjk6 Typewritten Text

MATTHEW BORYS

g6edxjk6 Typewritten Text

ROBERT WORDEN

g6edxjk6 Typewritten Text

KYLE HEDDENS

g6edxjk6 Typewritten Text

OVERFLOW CHECK VALVE

g6edxjk6 Typewritten Text

EXISTING CONDITIONS PHOTOGRAPHS

GENERAL
G-001	COVER & INDEX (1)
G-002	ABBREVIATIONS (1)
G-100	LOCATION MAP AND ACCESS PLAN (1)

STRUCTURAL
S-100	SPILLWAY REPAIR PLAN (1)
S-500	REPAIR DETAILS (1)
S-501	REPAIR DETAILS (1)
S-800	PHOTOGRAPHS 1-6 (1)
S-801	PHOTOGRAPHS 7-12 (1)
S-802	PHOTOGRAPHS 13-18 (1)
S-803	PHOTOGRAPHS 19-24 (1)
S-804	PHOTOGRAPHS 25-30 (1)
S-805	PHOTOGRAPHS 31-36 (1)
S-806	PHOTOGRAPHS 37-42 (1)
S-807	PHOTOGRAPHS 43-47 (1)
S-900	REFERENCE DRAWING (1)
S-901	REFERENCE DRAWING (1)
S-902	REFERENCE DRAWING (1)
S-903	REFERENCE DRAWING (1)
S-904	REFERENCE DRAWING (1)
S-905	REFERENCE DRAWING (1)
S-906	REFERENCE DRAWING (1)
S-907	REFERENCE DRAWING (1)
S-908	REFERENCE DRAWING (1)
S-909	REFERENCE DRAWING (1)

MECHANICAL
M-101	OVERFLOW CHECK VALVE REPLACEMENT DETAILS (1)
M-102	OVERFLOW CHECK VALVE EXISTING CONDITIONS PHOTOGRAPHS (1)

File details come from the government source that posted it. Updated Jul 24, 2025.