Gavins_TailraceBulkhead_Photos and drawings.pdf
PDF 11 MB Posted
- Attached to
- Gavins Point Tailrace Bulkheads Federal contract opportunity
- Solicitation number
- W9128F22R0011
About this file
This document announces a federal solicitation for fabrication of new tailrace bulkheads at Gavins Point Dam in Crofton, Nebraska. The U.S. Army Corps of Engineers, Omaha District is seeking bids for furnishing all labor, materials, equipment and supervision required to fabricate six new draft tube bulkheads, including new rubber seals to replace existing bulkheads. Bids are due by June 27, 2022. The estimated construction cost is between $1,000,000 to $5,000,000. The project is restricted to small businesses classified under NAICS code 237990 with a size standard of $39.5 million. The awarded contractor must field verify dimensions, perform functionality and water tightness testing, provide inspection reports and as-built drawings, and complete work within 480 days of receiving notice to proceed. The place of performance is Gavins Point Dam in Crofton, Nebraska.
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| RELEASED_AM0002_W9128F22R0011.pdf | ||
| RELEASED_W9128F22R0011 AM0001 - 22 JUN 22.pdf | ||
| AM0001 - Attachment_S-003 AMD 1 Hoisting Rings.pdf | ||
| GP Dam_Bulkhead Laydown Areas.pdf | ||
| 20220607 GP Tailrace Bulkheads Site Visit Sign-in Sheet Post.pdf | ||
| Gavins Point DT Bulkhead - Contract Drawings (Signed).pdf | ||
| Tailrace Bulk Head Replacement GP Dam specs.pdf | ||
| W9128F22R0011.pdf |
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Text version
116'-5"
138'-0" 21'-7"
26'-0"
19'-0"
12'-6"
32'-7"
P O
W E
R P
L A
N T
E N
T R
A N
C E
CANOPY
16' X 46'
STRUCTURE
POWER PLANT
EXTENSION
SUBSTRUCTURE
EDGE POWERHOUSE
FLAG POLE
"EXPANSION JOINT FILLER4
6" X 6" WIRE MESH
AN EXPOSED AGGERGATE FINISH
SIDEWALK SURFACE SHALL HAVE
SECTION G-G
6"
1'
4"
OMPUTER
IDED
ESIGN &
RAFTING
$$ - THINK VALUE ENGINEERING - $$
Revisions
DescriptionsSymbol Date Approved
U.S. ARMY ENGINEER DISTRICT
CORPS OF ENGINEERS
OMAHA, NEBRASKA
Designed by:
Drawn by:
Checked by:
Reviewed by:
Submitted by:
Chief: Section
Scale:
As Shown
Spec. No.:
DACW 45
Contract No.:
Drawing Code:
Design File:
Plot Scale Ratio:C
A D
D
A
Date:
B
D
C
14 3 25
D
C
B
A
5 4 3 2
GAVINS POINT PROJECT
06-10-2022
WITH 6" X 6" WIRE MESH
SIDEWALK AREA TO BE REINFORCED
EXPOSED AGGREGATE FINISH
DENOTES NEW SIDEWALK AREA W/
DRAINS REMAIN IN PLACE
ALL EXISTING GRATES AND
POWER PLANT ENTRANCE REHAB
ON CHAIRS
BE REINFORCED WITH 6"X6" WIRE MESH
PARKING AND DRIVEWAY AREA TO
6" MIN.COMPACTED GRAVEL FILL
6"
Gate off the Intake Deck Top of rail is 19'-6"
42" tall Steel Rail
Stairway
View West into Powerhouse parking lot
Gate opening is 17 feet wide
Tailrace Gantry Crane to the right
View Northeast toward Visitor Awning. Gantry Crane and bulkheads are to the left of the photo.
Parking lot gate is shown on the right side of the photo
View north towards Tailrace Gantry Crane from corner of powerhouse parking area.
Awning on right is ~9 feet high.
Second photo showing view from concrete lot towards Tailrace Deck.
Visitor awning or right is 9 feet tall
View of Tailrace Deck, Tailrace Bulkhead Slots and Gantry Crane (on right)
Tailrace Deck (El 1179) is 16‘ below parking lot elevation (El 1195’)
View south from Tailrace Deck to parking area.
Powerhouse on right of photo.
South end of Tailrace Deck. Vertical wall on right is north side of parking area.
Powerhouse is behind camera man.
Structure at back of photo is the Gantry Crane.
Photo showing two foot distance from end of stoplog slot to the vertical wall at south end of Tailrace Deck
View north.
Looking down from parking area to Tailrace deck.
Photo of Gantry Crane towards parking lot (south) lifting out Bulkhead Slot
Cover.
View of Tailrace Bulkhead Dogging Device
View of Bulkhead raised by Gantry Crane
Close up view of bulkhead out of slot
View of downstream side of bulkhead while hoisted by Gantry Crane
View of Tailrace Bulkhead hooks with Lifting Beam connection
File details come from the government source that posted it. Updated .