140R4026R0025_-_Updated_Drawings_30OCT2026_0002.pdf
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- Attached to
- EAST CANAL EFFICIENCY IMPROVEMENTS
- Solicitation number
- 140R4026R0025
About this file
This document consists of technical engineering drawings and structural details for the Bureau of Reclamation, U.S. Department of the Interior, depicting inlet structures and metalwork components for a diversion pipeline system.
The drawings provide comprehensive specifications for multiple structural elements including guard rails of varying lengths (13 feet to 18 feet 9 inches), siphon trash racks with top-center and top-left configurations, side covers with formed and flat panel options, and detailed frame assemblies. Key components specified include 1.5-inch pipe schedule 40 materials, 2-inch by 3-inch angle iron with 3/8-inch thickness, 3/16-inch plate stock, and chain attachment plates. The drawings establish detailed dimensional requirements, welding specifications (including staggered weld patterns on opposite sides of frame members), material standards requiring hot-dip galvanization, and assembly instructions for multiple quantities of guard rails and trash racks. Specific details address bend lines with opposite directions for mirrored parts, flush edge alignments, and isometric views for fabrication clarity. All materials are specified to be steel, any grade, and fabrication must comply with AWS D1.1 standards with fully welded pipe joints and ground sharp edges throughout.
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Text version
A
LW
A Y S T
H
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K S A
FE
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SHEET
D
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B
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APPROVED
ADMIN APPROVAL -
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TECH. APPR.
APPROVED
ADMIN APPROVAL
R E V N
O
GUARD RAIL SHORT
QTY 3
TYPICAL FOOT PLATE
VIEW A-A
SCALE 1/2
CHAIN POST WELDMENT
QTY 18
ISOMETRIC VIEW
SCALE 1 /6
VIEW C-C
CHAIN ATTACH PLATE
FLAT PATTERN
DIVERSION INLET, 16' 6" GUARD RAIL
QTY 1
DIVERSION INLET 18' 9" GUARD RAIL
QTY 1
DETAIL D
TYPICAL JOINT
SIPHON 15' GUARD RAIL
QTY 4
SIPHON OUTLET 13' GUARD RAIL
QTY1
A A
B B
C C
D D
AL
W
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TH
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Matt Bryner
DESIGNED
Matt Bryner
DRAWN
Duane Davison, P.E.
CHECKED
Joshua Dunham, P.E.
TECH. APPR.
Frederick Busch, P.E.
APPROVED
GRAND JUNCTION, CO 13 MAR 2026
31-417-1086
TOLERANCES (UNLESS NOTED OTHERWISE)
FRACTIONS 1/16
X.X.06
X.XX .02
X.XXX.01
GUARDRAIL DETAILS
AA
C C
D
2'-4"
3'-10"
1-1/2" Pipe Sched 40 typ
Notes
1. All materials are Steel, any grade.
2. Weld in accordance with AWS D1.1.
3. Weld sizes, if shown, are minimums.
4. Fully weld all pipe joints and grind smooth.
5. Flat patterns will be provided electronically when requested.
6. Remove all weld spatter, burrs and round sharp edges.
7. Galvanize in accordance with specifications.
8. Diversion guard rail can be fabricated as a single piece at contractor's discretion, a single joint can be added midspan to other guard rails at contractor's discretion.
3'-5" Typ
3'-6"
1'-8"
3/16
3/16
3/16
Chain Attach Plate
4"
2 1/4"
1-3/4" or 2" Square tube 3/16" wall
5'-0" 3'-10" 3'-10" 3'-10"
3'-9"5 x
3'-9"4 x
1/8
1-1/2" OD tube
3"
*See note 8*
(16'-6")
1/4" thick
5 1/2"
2 1/2"
3 1/2"
5/8"
1/2" thick
13'-0"
1'-0" typ 3'-8"3 x
1'-8 1/2" typ
Re v 1
O ct
M at t B ry ne r Ad de d op tio n to u se
" s qu ar e tu be fo r c ha in p os t
Matt Bryner Polygon
SIPHON TRASH RACK TOP CENTER
QTY 2
SIPHON TRASH RACK TOP LEFT
FRAME
TOP RACK FULL BAR
QTY 20
SIDE COVER
(FORMED) VIEW A-A
SIDE COVER FLAT PANEL
VIEW B-B
SCALE 1/11
SIPHON TRASH RACK TOP RIGHT
MIRRORED PART
ISOMETRIC VIEW
SECTION C-C
A A
B B
C C
D D
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TH
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PR
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PR
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EA
ST
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AN
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Matt Bryner
DESIGNED
Matt Bryner
DRAWN
Duane Davison P.E.
CHECKED
Joshua Dunham, P.E.
TECH. APPR.
Frederick Busch, P.E.
APPROVED
GRAND JUNCTION, CO 9July2026
31-417-1092
TOLERANCES (UNLESS NOTED OTHERWISE)
FRACTIONS 1/16
X.X.06
X.XX .02
X.XXX.01
SIPHON INLET
STRUCTURE TOP TRASH
RACKS
A
A
B
B
C
C
1'-3" 1'-3"1'-3"
4'-11 1/2"
3 1/4"
7" typ
1 3/4"
5'-9 3/4"
4"
Frame
1 3/4"
Top rack full bars (8)
Top rack full bars
5'-9 1/8"
1'-2"
4'-2 1/2"
1'-2 1/2"
1'-10"
4 3/4"
7"
3"
3'-2 1/2"
8 1/2"
4'-1 3/4"
5'-6 3/4"
Side cover 148°
150° 4 1/8"
6'- 5/16"
Bend line
Bend line
1'-7"1'-6 3/4" 1'-6 3/4"
1/2" typ
1 1/4" typ2 1/2"
1/2"
3 1/4"
1 1/2"
1/2"
2" x 3" x 3/8" angle
2" x 3" x 3/8" angle
7.257.25
6'-1 7/16"
32°
7/8"
Side cover flush with frame along these edges
1-4Stagger welds on opposite sides of all frame members Bends are opposite direction for mirrored part
2-4 2-4
Stagger welds on opposite sides of angle and flat bar
2 1/2"
5'-9 3/4"
1 1/2"
9"
Notes
1. All materials are Steel, any grade, 1/2" thickness unless shown otherwise.
2. Weld in accordance with AWS D1.1.
3. Weld sizes 1/4" minimum unless shown otherwise.
4. Fully weld all joints unless shown otherwise
5. Flat patterns will be provided electronically when requested.
6. Remove all weld spatter, burrs and round sharp edges.
7. Galvanize in accordance with specifications.
3/16" plate
Re v 1
Oc t2
M at t B ry ne r Ad de d th ick ne ss to s id e co ve r f la t p at te rn
Matt Bryner Polygon
| 31-417-1067 - Amend #1 Revision |
| 31-417-1069 - Amend #1 Revision |
| 31-417-1082 - Amend #1 Revision |
| 31-417-1086 - Amend #1 Revision |
| 31-417-1092 - Amend #1 Revision |
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