ATTACHMENT A_ANNOTATED AS BUILT.pdf
PDF 3 MB Posted
- Attached to
- Gavins Point Powerhouse Drain Rehab
- Solicitation number
- W9128F26QA054
About this file
This document is an annotated as-built index and drawing set for the Gavins Point Dam Powerhouse Drain Rehabilitation project located in South Dakota, administered by the U.S. Army Corps of Engineers, Omaha District. The contract number is W9128F-26-Q-A054, with an issue date of May 15, 2026.
The drawing package consists of four sheets: a project location map (GA100) showing the access route via SD-52 to Crest Road from the South Dakota side; a drainage system plan at elevation 1161.0 (M-101); and drainage system sections (M-102). The drainage system design includes approximately 130 linear feet of 6-inch diameter line (shown in red), 170 linear feet of 4-inch diameter line (shown in green), and 130 linear feet of 3-inch diameter line (shown in blue). The drawings provide detailed cross-sectional views of various drainage system components throughout the powerhouse facility, with color-coded pipe sizes and elevation markings. The project location is positioned at the powerhouse near Lewis & Clark Lake in Nebraska-South Dakota, with detailed mapping of surrounding infrastructure, storage facilities, and treatment areas. All drawings were designed and drawn by K. Park, checked by T. Weeder, and submitted by T. Weeder, using ANSI D size format.
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Text version
PROJECT
DRAINAGE SYSTEM PLAN (EL.1161.0)
DRAINAGE SYSTEM SECTIONS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
A
B
C
D
E
F
G
H
J
K
L
M
N
P
SU
BM
IT
TE
D B
Y:
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
D
ES
IG
N
ED
B
Y:
C O
N
TR
AC
T
N O
SO
LI
C
IT
AT
IO
N N
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IS
SU
E D
AT
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SI
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M
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K
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ES
C R
IP
TI
O N
D
AT
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SHEET ID
US Army Corps of Engineers
U .S
. A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
O M
AH
A
D
IS
TR
IC
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C
AP
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O L
AV
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O M
AH
A, N E
-0 5-
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N U
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BE
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FI
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N
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AN
SI
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AV
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PO
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C T
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N M
AP
GA100
ACCESS ROUTE,
N-121/NE-121 FROM
NEBRASKA SIDE
ACCESS ROUTE, SD-52
TO CREST ROAD FROM
SOUTH DAKOTA SIDE
PROJECT LOCATION.
GAVINS POINT DAM
POWERHOUSE
W F- -Q -A
B
C
D
E
F
G
H
J
K
L
M
N
P
SU
BM
IT
TE
D B
Y:
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
D
ES
IG
N
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B
Y:
C O
N
TR
AC
T
N O
SO
LI
C
IT
AT
IO
N N
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IS
SU
E D
AT
E:
SI
ZE
M
AR
K
D
ES
C R
IP
TI
O N
D
AT
E
SHEET ID
US Army Corps of Engineers
U .S
. A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
O M
AH
A
D
IS
TR
IC
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C
AP
IT
O L
AV
E
O M
AH
A, N E
-0 5-
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AM
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SI
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ST
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LA
N (E
L.
.0
M-101
COLOR LEGEND
6" LINE (APPROX.130 LF.)
3" LINE (APPROX.130 LF.)
4" LINE (APPROX.170 LF.)
W F- -Q -A
B
C
D
E
F
G
H
J
K
L
M
N
P
SU
BM
IT
TE
D B
Y:
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
D
ES
IG
N
ED
B
Y:
C O
N
TR
AC
T
N O
SO
LI
C
IT
AT
IO
N N
O
IS
SU
E D
AT
E:
SI
ZE
M
AR
K
D
ES
C R
IP
TI
O N
D
AT
E
SHEET ID
US Army Corps of Engineers
U .S
. A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
O M
AH
A
D
IS
TR
IC
T
C
AP
IT
O L
AV
E
O M
AH
A, N E
-0 5-
FI
LE
N U
M
BE
R
FI
LE
N
AM
E:
AN
SI
D
G
AV
IN
S
PO
IN
T D
AM
, S
O U
TH
D
AK
O
TA
PO
W
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SE
D R
AI
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M-102
COLOR LEGEND
6" LINE (APPROX.130 LF.)
3" LINE (APPROX.130 LF.)
4" LINE (APPROX.170 LF.)
W F- -Q -A
| ATTACHMENT A Cover |
| GP00104GA100 |
| Sheets and Views |
| Sheet 1 ANSI 'D' |
| GP00104M-101 |
| Sheets and Views |
| Sheet 1 ANSI 'D' |
| GP00104M-102 |
| Sheets and Views |
| Sheet 1 ANSI 'D' |
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