Q9-M-101 (Updated Plans) 24Jun2024 Amdnt 0003.pdf
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- Attached to
- Lake Barkley Spillway Gate Chains Fabrication Federal contract opportunity
- Solicitation number
- W912P524B0005
About this file
This document appears to be a set of engineering drawings and specifications for the fabrication of lifting chain assemblies for the spillway gates at the Lake Barkley Dam. The drawings provide detailed dimensions, material requirements, and assembly instructions for the various components that make up the lifting chain, including end side bars, side bars, close links, long links, shackles, and pins. The drawings specify that the chain components must be fabricated from AISI 4140 alloy steel and meet certain hardness and finish requirements.
The related federal contract opportunity is for the fabrication and delivery of new spillway gate lifting chains for the Lake Barkley Dam project. The U.S. Army Corps of Engineers, Nashville District is soliciting bids for a firm-fixed price supply contract, with the base contract covering fabrication of chains for three gates (6 total chain lengths) and option years for additional quantities up to 24 chain lengths. The contractor will be responsible for fabricating, assembling, and delivering the complete lifting chain assemblies, while the government will handle installation. The required delivery date is 270 calendar days after contract award, and the solicitation will be a 100% small business set-aside.
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Text version
LIFTING CHAIN ASSEMBLY
SCALE: 3"=1'-0"
MK 55/31-1 END SIDE BAR
SCALE: 6"=1'-0"
SIDE VIEW
SCALE: 6"=1'-0"
MK 55/31-2 SIDE BAR
SCALE: 6"=1'-0"
SIDE VIEW
SCALE: 6"=1'-0"
MK 55/31-18 CLOSE LINK
SCALE: 12"=1'-0"
MK 55/31-19 LONG LINK
SCALE: 12"=1'-0"
MK 55/31-20 SHACKLE
SCALE: 12"=1'-0"
TOP
SCALE: 12"=1'-0"
MK 55/31-21 PIN
SCALE: 12"=1'-0"
US Army Corps of Engineers
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IDENTIFICATION
Q9-M-101
CERTIFIED FINAL DOCUMENTS - RTA
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F P D o c u m e n t s V a u l t W o r k D e s i g n s C i v i l
W o r k s C u m b e r l a n d
R i v e r B a r k l e y S p i l l w a y
G a t e
C h a i n s S h e e t s B A R
C h a i n s
D
W G d w g
55/31-11
55/31-6
55/31-15
55/31-1
55/31-13
2' 8-3/4" 1'-0"
79' 8-3/4"
55/31-3
55/31-8
55/31-2
55/31-14
55/31-5
55/31-9
55/31-7
55/31-12
55/31-4
55/31-8
55/31-10
55/31-16
55/31-5
55/31-9
1 1/8" +.020
- .027
2'-8 3/4" +.005
- .005
2"
2"
3'-5 3/4"
4 1/2" 4 3/4"
1'-0" +.005
- .005
1'-8 1/2"
1 3/4"
1 1/8" +.020
- .027 n4" +.0035
-.0000 n4" +.0035
-.0000
1 3/4"
1 3/4"
Note:
Pins No. 1 to 5 incl., to be 55/31-3
Pins No. 6 to 16 incl., 18 to 37 incl., 40 to 57 incl.
and 60 to 77 incl. to be 55/31-4
Pins No. 17, 38, 39, 58, 59 and 78 to be 55/31-5
BILL OF MATERIALS
MK # DESCRIPTION
QUANTITY
MATERIAL BHN
55/31-1
END SIDE
BAR
AISI 4140
ALLOY
STEEL
308-348
55/31-2
SIDE BAR 616
AISI 4140
ALLOY
STEEL
308-348
55/31-18
CLOSE LINK 192
AISI 4140
ALLOY
STEEL
SEE SPECS
55/31-19
LONG LINK 8
AISI 4140
ALLOY
STEEL
SEE SPECS
55/31-20
SHACKLE 8
AISI 4140
ALLOY
STEEL
308-348
55/31-21
PIN 8
AISI 4140
ALLOY
STEEL
308-348
2 3/8"
3 7/8"
4 3/8"
2 7/8"
R5/8" n2" n7/8"
3 5/8" 1"
R9/64"
3 7/16"
3 3/16"
1/4"
1/16x45°
CHAMFER
n4"+.0035
-.0000 n5"+.0035
- .0000
NOTES:
1. QUANTITIES SHOWN IN THE BILL OF MATERIALS ARE FOR ONE
GATE (TWO SETS OF CHAINS).
2. ALL EDGES SHOWN SHARP SHALL HAVE AN APPROXIMATE
EDGE OF 0.02" UNLESS SPECIFIED.
3. ALL EDGES SHOWN ROUND SHALL HAVE AN APPROXIMATE
EDGE OF 0.25" UNLESS SPECIFIED.
4. LINK PITCH DIMENSIONS TO BE HELD TO A MINIMUM TO ENSURE
THAT EACH SIDE BAR OF ANY LINK WILL HAVE EQUAL BEARING
UNDER LOAD AND THE LINKS MATCHED SO THAT THE TOTAL
ACCUMULATIVE LENGTH OF THE CHAIN WILL NOT VARY MORE
THAN 3/8" WITH ITS MATCHING CHAIN.
5. CHAIN COMPONENTS MUST BE SPRAYED WITH A GRAPHITE
LUBRICANT AND COATED WITH GREASE DURING ASSEMBLY. SEE
SPECIFICATIONS FOR THE REQUIREMENTS OF THE GREASE.
125 FINISH ALL OVER EXCEPT AS NOTED
125 FINISH ALL OVER EXCEPT AS NOTED
4 1/4"
125 FINISH ALL OVER
File details come from the government source that posted it. Updated .