Amend-0001 Plans W912EF21B0013.pdf
PDF 14 MB Posted
- Attached to
- Lower Monumental Unit 2 Hub Seal Repairs Federal contract opportunity
- Solicitation number
- W912EF21B0013
About this file
This document provides details for a federal construction solicitation for the Lower Monumental Unit 2 Hub Seal Repairs project. The U.S. Army Corps of Engineers, Walla Walla District intends to issue an Invitation for Bids to repair a failed seal between the runner hub and turbine shaft connection at the Lower Monumental Dam in Franklin County, Washington. The scope of work involves sealing the outer diameter of the shaft flange where it meets the hub, installing welded caps for each coupling bolt, and piping at the shaft jacking bolts to contain any leakage. Optional work may include installation of Government furnished blades seals and a nose cone gasket. The contractor must complete all repairs, testing, and inspections within 150 calendar days of receiving the Notice to Proceed. A firm fixed-price contract will be awarded, and performance and payment bonds are required. The estimated value of the project is between $250,000 and $500,000.
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| G1.JPG | JPG image | |
| A1.jpg | JPG image | |
| A8.jpg | JPG image | |
| G15.JPG | JPG image | |
| G8.JPG | JPG image | |
| A15.jpg | JPG image | |
| Amend-0002 Tech Specs W912EF21B0013.pdf | ||
| Amendment 0002 W912EF21B0013.pdf | ||
| Amendment 0001 W912EF21B0013.pdf | ||
| Amend-0001 Tech Specs W912EF21B0013.pdf | ||
| Site Visit Info W912EF21B0013.pdf | ||
| W912EF21B0013 Plans.pdf | ||
| Solicitation W912EF21B0013.pdf | ||
| COVID Questionnaire.pdf | ||
| W912EF21B0013 Tech Specs.pdf |
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LOCATION
PROJECT
SOLICITATION NO.: W912EF21B0013
CONTRACT NO.:
ISSUE DATE: MARCH 2021
of Engineers
US Army Corps
WALLA WALLA DISTRICT
these project documents within the scope of their employment as required by ER 1110-1-8152.
Engineers. The initials or signatures and registration designations of individuals appear on This project was designed by the Hydroelectric Design Center of the U.S. Army Corps of
SUBMITTED BY:
SUBMITTED BY:
SUBMITTED BY:
APPROVED BY: APPROVED BY:
HYDROELECTRIC DESIGN CENTER
CHIEF OF MECHANICAL/STRUCTURAL BRANCH
JAMES CALNON, P.E.
HYDROELECTRIC DESIGN CENTER
DIRECTOR OF
STEVEN MILES, P.E.
WALLA WALLA DISTRICT
CHIEF OF DESIGN BRANCH
MARCUS PALMER, P.E.
WALLA WALLA DISTRICT
CHIEF OF MECHANICAL DESIGN SECTION
KEVIN RENSHAW, P.E.
WALLA WALLA DISTRICT
CHIEF OF ENGINEERING & CONST DIV.
DWAYNE WESTON, P.E.
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INDEX TO DRAWINGS
GENERAL
FILE NUMBER
NO.
SHEET TITLE
INDEX TO RESOURCE DRAWINGS
FILE NUMBER
NO.
SHEET TITLE
GOVERNMENT DRAWINGS
BALDWIN - LIMA - HAMILTON CORPORATIONMECHANICAL
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. 4
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CONTRACTOR STAGING
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NORTH ACCESS ROAD
SCALE: 1" = 80'
A1
GENERAL SITE PLAN
SNAKE RIVER
FLOW
PLAN
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4'-4"
11'-6 1/2 "
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SEE NOTE 6
INJECTION.
SEALANT
8 PORTS FOR
45° SPACING TYP.
TOP OF HUB
BOLTING TO
8 TABS FOR
SEE NOTE 5
GASKETS
WITH THIS WORK.
TO BE INSTALLED
COUPLING BOLTS
WELDED CAPS OVER
IN PLACE AFTER REPAIRS ARE COMPLETE.
CONTRACTOR TO REWELD COVER PLATE
COUPLING BOLTS AND UNWATERING PIPING.
CUT IN THIS LOCATION FOR ACCESS TO
DRAWING BLH 43892) WILL NEED TO BE
AND COVER PLATE AS SHOWN ON
NUT GUARD (RUNNER HUB EXTENSION
UNWATERING PIPING AT SINGLE LOCATION.
TOGETHER. TEE INTO EXISTING
IN TURBINE SHAFT AND MANIFOLD
TUBING FROM (3) JACK BOLT LOCATIONS
FOR DETAILS. INSTALL STAINLESS STEEL
TO RUNNER HUB, SEE DRAWING BLH 43916
EXISTING UNWATERING PIPING FROM SHAFT
RUNNER HUB
SHAFT
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GENERAL NOTES:
CORROSION OR PAINT PRIOR TO INSTALLATION.
7. MATING SURFACES FOR SEALING RING TO BE PROPERLY PREPARED TO REMOVE
6. SEALANT PORTS MUST BE PLUGGED AFTER INJECTION OF SEALANT.
IN BOTH THE TURBINE SHAFT FLANGE AND THE TOP OF THE HUB LOCATIONS.
5. REDUNDANT SEALING IS REQUIRED AT THE MATING SURFACES OF THE SEAL RING,
4. PAINT THE SEAL RING WITH AN EPOXY PAINT PROVIDED BY THE GOVERNMENT.
AS RECOMMENDED BY THE CONTRACTOR AND APPROVED BY THE GOVERNMENT.
APPROVAL PRIOR TO USE. ROOM TEMPERATURE VULCANIZING SILICONE TO BE USED,
3. SEALANT TO BE SELECTED BY THE CONTRACTOR. SUBMIT PRODUCT DETAILS FOR
TWO PART, WITH A FLANGED JOINT. SEE SECTION 48 13 13.04 26 FOR MORE DETAILS.
RING AND SUBMIT DRAWINGS PRIOR TO FABRICATION. THE SEALING RING WILL BE
LOCATION OF THE SEALING RING. THE CONTRACTOR IS TO DESIGN THE SEALING
DIMENSIONS. THE DETAIL VIEWS ARE INTENDED TO SHOW THE FUNCTION AND
2. THIS DRAWING IS A CONCEPT SKETCH AND DOES NOT REPRESENT THE REQUIRED
1. BOLD INDICATES NEW EQUIPMENT TO BE INSTALLED.
F3
OUTLINE OF WORKING AREA
SCALE: 1/2"=1'-0
F10
DETAIL OF WORKING AREA
SCALE: 1 1/2" = 1'-0"
A15
TURBINE SHAFT & RUNNER
CONCEPT OF SEALING RING AT
SCALE: 6" = 1'-0"
M-101
F10
M-101
A15
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R 3 '-0
1/2
'-1
/4
R
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1 9/16 "
1 1/2 "
CL
HUB END OF SHAFT
1 1/2" FOR JACK SCREWS
TO EXISTING UNWATERING PIPE
3/8" STAINLESS STEEL TUBING
JACK BOLT BORE FOR
TURBINE SHAFT FLANGE
NPT CONNECTION AT
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ROUTED TO
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GOVERNOR SUMP VIA
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VENT LEAKING OIL
TUBING USED TO
PLACEMENT OF THE
OVER THE NUTS OF THE BOLTS
WELDED CAPS TO BE ADDED
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SEAL WELD AS DESIGNED
F
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SHEET ID
®of Engineers
US Army Corps
U .S
A
R M
Y C
O R
P S
O F
E N
G
IN
E E
R S
M A
R C
H
W
E F
B
GENERAL NOTES:
IMMERSION IN WATER, AS REQUIRED BY SPECIFICATIONS.
2. PAINT THE COUPLING BOLT WELDED CAPS WITH AN EPOXY PAINT SUITABLE FOR
1. BOLD INDICATED NEW EQUIPMENT TO BE INSTALLED.
F1
END OF SHAFT FLANGE
PLAN VIEW OF TUBING ON HUB
SCALE: 1"=1'-0
CL
G12
STEEL TUBING CONNECTION
A-DETAIL OF JACKING BOLT BORE STAINLESS
SCALE: 3"=1'-0
B15
B-SECTION COUPLING BOLT WELDED CAPS
SCALE: 6"=1'-0
G12
B15
M-102
M-102
TUBING
STAINLESS STEEL
S I
D
F
IN
IT
T U
R B
IN
E
H U
B S
E A
L R
E P
A
IR
S N
A K
E R
IV
E
R
L O
W E
R M
O N
U M
E N
T A
L L
O C
K
D
L L
A W
A L
L A
W
A S
H
IN
G T
O N
O R
G A
N
IZ
A T
IO
N
D
IS
T R
IC
T
A D
D R
E S
S
W A
L L
A W
A L
L A
D
IS
T R
IC
T
P O
R T
L A
N D
O
R E
G O
N
H Y
D R
O E
L E
C T
R
IC
D E
S
IG
N C
E N
T E
R
U .S
A
R M
Y C
O R
P S
O F
E N
G
IN
E E
A
W
IN
G N
U M
B E
R
F
IL
E N
A M
E
S T
E V
E N
R
M
IL
E S
P
O M
J O
H N
D A
Y P
O W
E R
H O
U S
E
P H
O T
O S
W
IT
H E
X A
M P
L E
R E
P A
IR
M-901
C
G
IE
R E
K
D
R A
M
IR
E Z
P
M
-9
X
X X
.d
R
A
VIEW OF WORK AREA FROM TURBINE PIT
A1
SCALE: NTS
VENTING THE JACK BOLT HOLES TO UNWATERING PIPING
A15
SCALE: NTS
COMPLETED SEAL RING
G8
SCALE: NTS
F
IN
A L
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
S U
B M
IT
T
E D
B Y
C H
E C
K E
D B
Y
D R
A W
N B
Y
D E
S
IG
N E
D B
Y
C O
N T
R A
C T
N O
S O
L
IC
IT
A
T
IO
N N
O
IS
S
U E
D A
T E
S I Z
E
M A
R K
D E
S C
R
IP
T
IO
N D
A T
E
SHEET ID
®of Engineers
US Army Corps
U .S
A
R M
Y C
O R
P S
O F
E N
G
IN
E E
R S
M A
R C
H
W
E F
B
GENERAL NOTES:
4. PAINT THE SEAL RING WITH EPOXY PAINT FURNISHED BY THE GOVERNMENT.
FABRICATION ( SEE NOTE IN G15).
ANTICIPATED AND WILL BE REVIEWED BY THE GOVERNMENT PRIOR TO
FOLLOW THE SPECIFICATIONS, M-101 AND M-102. ALTERNATIVES TO THE WORK ARE
3. THE PHOTOS ARE PROVIDED TO SHOW THE INTENT OF THE WORK REQUIRED.
2. THE INNER HEADCOVER WILL NOT BE REMOVED. G1 SHOWS THE NUT GUARD REMOVED.
DUE TO LOCATION OF EXISTING UNWATERING PIPE.
1. TWO OF THE THIRTY WELDED CAPS WILL NEED TO BE MODIFIED AS SHOWN IN G15,
G1
BOLTS, NUT COVER PLATE REMOVAL.
COMPLETED WELDED CAPS FOR COUPLING
SCALE: NTS
G15
UNWATERING PIPE.
TUBING CONNECTION FROM JACKING BOLTS TO
SCALE: NTS
A8
HUB INTERFACE.
SEALING RING AT THE TURBINE SHAFT TO
SCALE: NTS
TO HUB COUPLING BOLTS
WELDED CAPS FOR THE SHAFT
SEE NOTE 1 TURBINE SHAFT FLANGE
AND RUNNER HUB INTERFACE
SEAL RING AT TURBINE SHAFT
CHECK VALVE
UNWATERING PIPING
BOLT HOLES TO THE
VENTING THE THREE JACK
STAINLESS STEEL TUBING
PIPING TO BE MODIFIED
EXISTING UNWATERING
TURBINE SHAFT FLANGE
INTERFACE
SHAFT AND RUNNER HUB
SEALING RING AT TURBINE
ALLOW PORT HOLES FOR SEALANT INJECTION IF NECESSARY
THAT THESE BOLTS ARE ON TABS AT THE OD OF THE SEALING RING. THIS WILL
THROUGH THE CENTER OF THE SEALING RING. FOR THIS WORK, IT IS INTENDED
NOTE: IN THIS EXAMPLE, THE BOLTS SECURING THE RING TO THE HUB ARE GOING
TO THE UNWATERING PIPING
THE THREE JACK BOLT HOLES
STAINLESS STEEL TUBING VENTING
18" OF ARC LENGTH
SECURE TUBING EVERY
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| LM471895_G-002XXX |
| LM471895_G-101XXX |
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| LM471895_M-901XXX |
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