Attachment 2 W9128F20Q0077 Plans.pdf

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US Army Corps of Engineers ®

Omaha District

2 3 4

BIG BEND DAM, SOUTH DAKOTA

OLD FORT THOMPSON SLUMP REPAIRS

SOLICITATION NO.

CONTRACT NO.:

ISSUE DATE: CONCEPTUAL JULY 2020

Plotted 16 July 2020

6 7 8 9 10

INDEX

GENERAL

FILE NAME

BB94G-001.dgn

BB94GI 101.dgn

BB94GI 102.dgn

SHEET ID NO. DESCRIPTION

CIVIL

G-001

Gl101

Gl102

COVER & INDEX

PROJECT LOCATION MAP

VICINITY LOCATION MAP

FILE NAME

BB94CH301.dgn

BB94CH302.dgn

SHEET ID NO. DESCRIPTION

CH301

CH302

MIDDLE SLUMP AREA SECTION VIEW

DOWNSTREAM SLUMP SECTION VIEW

THIS PROJECT WAS DESIGNED BY THE OMAHA DISTRICT OF THE US ARMY CORPS OF ENGINEERS. THE INITIALS OR SIGNATURES AND REGISTRATION DESIGNATIONS OF INDIVIDUALS APPEAR ON THESE PROJECT DOCUMENTS WITHIN THE SCOPE OF THEIR

EMPLOYMENT AS REQUIRED BY ER 1110-1-8152

SIGNATURES AFFIXED BELOW INDICATE OFFICIAL RECOMMENDATION AND APPROVAL OF DRAWINGS IN THIS SET.

$1 IBMIIIED BY· RA

CHIEF· ARCH./INTER.

CHIEF, GEOTECHNICAL DATE SIIBMITTFD BY· ENGINEERING & SCIENCES BRANCH

CHIEF· CIVIL/ ENVIR.

$1 IBMIIIED BY·

CHIEF,.

DAM SAFETY PROD. DATE CHIEF· ELEc.

�C:.:E:..::.Nf.:..::t::::..;R�----------l $1 IBMIIIED BY·

DATE

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$1 IBMIIIED BY·

CHIEF DESIGN BRANCH

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$1 IBMIIIED BY·

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SIIBMIIIED BY· EE

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$1 IBMIIIED BY· GADD

PBQ,IEGI GQQRD

US Army Corps of Engineers

Omaha District

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ADVERTISEMENT

W9128F20Q0077

NO SCALE

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SHEET ID

GI101

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DPROJECT LOCATION

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FORT THOMPSON SD

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Plotted 16 July 2020 ADVERTISEMENT

BB94

L A K E S H A R P E

VICINITY MAP

N

GOOD SOLDIER CR.

PUBLIC USE AREA

MARINE STORAGE

BUILDING

WATER

TREATMENT

BUILDING

POWERHOUSE

OVERLOOK AREA14

,2

,0

E1450

,2

,0

E

,2

,0

622,000 N

624,000 N

626,000 N

628,000 N

630,000 N

632,000 N

LANDING

STRIP

,2

,0

,2

,0

AIRSTRIP ROAD

CATHOLIC

CEMETERY

WATER TREATMENT BLDG.

NORTH SHORE AREA

FLOW

U.S. GOV'T BOUNDARY

ACCESS

ROAD

EVAPORATION

STATION

WATER SUPPLY

BUILDING

SPILLWAY

SPILLWAY ACCESS

ROAD

CREST TO TOE ROAD

CREST ROAD AND

HWY. 47W

BOAT BASIN

TOE ROAD

POWERHOUSE ACCESS ROAD

C2

B2

45°

A2

TAILWATERS

ACCESS ROAD

,2

,0

,2

,0

,2

,0

SANITARY DUMP

STATION

EPISCOPAL

CEMETERY

SPILLW

AY

DISC

HARG

E C

HANNEL

REST ROOMS

OLD FORT THOMPSON AREA

U.S. GOV'T BOUNDARY

H H2

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,2

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,2

,0

,2

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,2

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PIERRE

L A K E H U

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STANLEY CO.

LYMAN CO

ACCESS ROAD

INDIAN SERVICE

ROAD

L A K E F R A N C I S C A S E

J O

N

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M A

C A S E

BUFFALO CO.

BRULE CO.

LAKE

FORT THOMPSON

SHARPE

RELOCATED LOWER BRULE

INDIAN SUB-AGENCY

L O W E R B R U L E

C R O W

H Y D E CO.

B U F F A L O CO.

C R E E K

S O U T H D A K O T A

W

Reliance

Oacoma

Kennebec

Presho R.R.Vivian

C. M. ST. P. & P.

SCALE IN MILES

W

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47W

SCALE:

2 0 2 4 6 8 10

F R

A N C

IS

500' 0 500'

D

DX

C

1 INCH=500 FEET

ADMINISTRATION &

MAINTENANCE FACILITIES

N

DAM

BIG BEND

230 KV POWERLINES

SUBJECT 05BR

CONTRACT

LOCATIONS

POWERHOUSE

PROJECT

OFFICE

CHAMBERLAIN

R E S E R V A T I O N

I N D I A N R E S E R V A T I O N

I N D I A N

AND STOCKPILE MATERIAL

EXACT AREA TO UNLOAD EQUIPMENT

WITH PROJECT PERSONNEL THE

CONTRACTOR TO COORDINATE

SLUMP

DOWNSTREAM

SLUMP

MIDDLE

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Plotted 16 July 2020 ADVERTISEMENT

BB94

.0

F

T

.5

F

T

1351.00 FT. ELEV (TOE)

2.5 FT THICK

CLASS C RIPRAP

1368.0 FT ELEV.

1367.0

1366.0

1365.0 1365.5

1364.0

1363.0

1362.0

1361.0

1360.0

1359.0

1358.0

1357.0

1356.0

1355.0

1354.0

1353.0

1352.0

1351.0

1350.0

2.0

1.0

.0

F

T

1351.00 FT. ELEV (TOE)

1368.0 FT ELEV.

1367.0

1366.0

1365.0 1365.5

1364.0

1363.0

1362.0

1361.0

1360.0

1359.0

1358.0

1357.0

1356.0

1355.0

1354.0

1353.0

1352.0

1351.0

1350.0

5.58FT

5.00FT

5.00FT

NOTE: EXISTING SLOPE WILL VARY DUE TO ONGOING EROSION.

415 TONS) IS TO BE RECLAIMED & REINSTALLED.

SLUMPED RIPRAP (ESTIMATED 2 FT THICK & APPROX.

DO NOT SCALE

150 FT SHORELINE

NEW RIPRAP SECTION VIEW

MIDDLE SLUMP AREA

150 FT SHORELINE

FOR CUT & FILL ESTIMATING PURPOSES ONLY

EXISTING BANK SECTION VIEW

MIDDLE SLUMP AREA

DO NOT SCALE

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Plotted 16 July 2020

SPECIFICATION IN SECTION 02 24 50, PART 3, SECTION 3.2.2.

4. WEST SIDE OF MIDDLE SLUMP TO HAVE TIE BACK COMPLETED PER

3. RECLAIM AND REINSTALL ALL DISCOVERED SLUMPED RIPRAP.

OPTIMUM CONTENT AT THE TIME OF COMPACTION.

BACKFILL MATERIAL MUST BE WITHIN THE RANGE OF -2% TO +2% OF

FOR COHESIONLESS MATERIALS.

FOR COHESIVE MATERIALS AND OR 95% LABORATORY MAXIMUM DENSITY

2. COMPACT BACKFILL TO AT LEAST 90% LABORATORY MAXIMUM DENISITY

1. EXISTING SLOPE WILL VARY DUE TO ON-GOING EROSION.

NOTES:

ADVERTISEMENTBB94

.5

F

T

1351.00 FT. ELEV (TOE)

2.5 FT THICK

CLASS C RIPRAP

1366.0

1365.0

1364.0

1363.0

1362.0

1361.0

1360.0

1359.0

1358.0

1357.0

1356.0

1355.0

1354.0

1353.0

1352.0

1351.0

1350.0

2.0

1.0

.5

F

T

50 FT SHORELINE

.5

F

T

1365.5 FT ELEV.

1366.0

1365.0

1364.0

1365.5 FT ELEV.

1363.0

1362.0

1361.0

1360.0

1359.0

1358.0

1357.0

1356.0

1355.0

1354.0

1353.0

1352.0

1351.0

1350.0

SLO

PE VAR

IES

NOTE: EXISTING SLOPE WILL VARY DUE TO ON-GOING EROSION.

1351.00 FT. ELEV (TOE)

5.58FT

5.00FT

5.00FT

50 FT SHORELINE

NEW RIPRAP SECTION VIEW

DOWNSTREAM SLUMP AREA

DO NOT SCALE

50 FT SHORELINE

FOR CUT & FILL ESTIMATING PURPOSES ONLY

EXISTING BANK SECTION VIEW

DOWNSTREAM SLUMP AREA

DO NOT SCALE

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Plotted 16 JULY 2020

3. RECLAIM AND REINSTALL ALL DISCOVERED SLUMPED RIPRAP.

OPTIMUM CONTENT AT THE TIME OF COMPACTION.

BACKFILL MATERIAL MUST BE WITHIN THE RANGE OF -2% TO +2% OF

FOR COHESIONLESS MATERIALS.

FOR COHESIVE MATERIALS AND OR 95% LABORATORY MAXIMUM DENSITY

2. COMPACT BACKFILL TO AT LEAST 90% LABORATORY MAXIMUM DENISITY

1. EXISTING SLOPE WILL VARY DUE TO ON-GOING EROSION.

NOTES:

ADVERTISEMENTBB94