CU-16-0025-3-2_REV-1PowerhouseRoofGuardRailDetails (1).pdf
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- Solicitation number
- W9127N26QA035
About this file
This is a technical drawing specification document for powerhouse roof guardrail details at Green Peter Dam & Reservoir on the Middle Santiam River in Oregon, prepared by the U.S. Army Corps of Engineers, Portland District. The document provides detailed engineering drawings and specifications for the manufacture and installation of guard rail assemblies, including component parts, dimensions, materials, and assembly requirements.
The specification requires the fabrication of steel guard rail systems comprising multiple pipe and plate components that must be hot-dip galvanized after assembly. Key components include Schedule 40 steel pipes in various configurations, stanchions, mounting brackets, and plates. Total material requirements include 84 stanchions, 38-44 pipes of various types, 20 mounting bracket assemblies, 18-20 guard rail panel assemblies, and corner guard rail assemblies for both east and west locations. All steel parts must be free of varnish and surface contamination prior to welding. The galvanizing specifications mandate internal vent holes of 3/8 inch minimum (or 25 percent of pipe interior diameter) drilled at connection points before welding, with external vent holes placed as close to welds as possible. A 3/8-inch vent hole on the top rail center must be plugged after the galvanizing process. Vertical legs should be galvanized separately and attached after the galvanizing process to prevent contamination and ensure quality and cost-effectiveness. All assembly dimensions are provided at 3-inch-to-1-foot scale with specific measurements for panel lengths (5 feet to 10 feet), rail heights, and component spacing.
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| File | Type | Posted |
|---|---|---|
| Purchase Description for GPR Roof handrail .pdf |
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Text version
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10'-0"
B
A
"4
"8
1"
9"
"8
2"2
1"8
2"8
2" x 1/2" SLOT (4 PLCS)
Ø 1" (2 PLCS)
9" (REF)
3" 3"
R E
F
H S
S
H S
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3"3" (REF)
"2
PL-02
PL-01
HSS TUBE
"L8
HSS-02 - 3" x 3" x 6
HSS TUBE
"8 HSS-01 - 7" x 3" x
PL-01
HSS-01
HSS-02
TYP
TYP
TYP
C RAILL
C STANCHIONL
SCALE: 3" = 1'-0"
A
SECTION
SCALE: 3" = 1'-0"
B
SECTION
C STANCHIONL
C STANCHION (BOTH ENDS)L
(18 PCS TOTAL REQ'D)
HOT DIP GALVANIZING.
TO BE PLUGGED AFTER
VENT HOLE"8
DRILL
PIPE 3
PIPE 4 (2 PLCS)
MOUNTING BRCKET ASSY. (2 PLCS)
GUARD RAIL PANEL 1 ASSY
0 3 6 9
SCALE: 3" = 1'-0"
(1 AS SHOWN & 1 OPPOSITE HAND REQ'D)
WEST CORNER GUARD RAIL ASSY
0 3 6 9
SCALE: 3" = 1'-0"
PIPE 4 (2 PLCS)
MOUNTING BRCKET ASSY. (2 PLCS)
PIPE 7 OPPOSITE HAND
PIPE 6
PIPE 10
ALL ASSEMBLIES WILL BE HOT DIP GALVANIZED AFTER ASSEMBLY.
ALL PIPE IS 2" SCHEDULE 40 STEEL PIPE.
2.
1.
NOTE:
PIPE 10 DETAL
0 3 6 9
SCALE: 3" = 1'-0"
PIPE 6/7 DETAL
0 3 6 9
SCALE: 3" = 1'-0"
TYP
(10mm) IN DIAMETER.
MUST BE 25% THE SIZE OF THE ID OF THE PIPE, BUT NOT LESS THAN 3/8"
EXTERNAL VENT HOLES MUST BE AS CLOSE TO THE WELDS AS POSSIBLE AND
ALTERNATIVE NOTED BELOW.
WHERE FULL INTERNAL HOLES CANNOT BE USED, FOLLOW THE ACCEPTABLE
AFTER GALVANIZING.
VERTICAL LEGS SHOULD BE GALVANIZED SEPARATELY AND ATTACHED
ERECTION IN THE FIELD THAT PREVENTS FULL OPENINGS ON END OF
ENDS OF LEGS ARE TO BE LEFT COMPLETELY OPEN. ANY DEVICE USED FOR
AFTER THE GALVANIZING PROCESS.
CENTER OF TOP RAIL TO BE PLUGGED BY GALVANIZING COMPANY
VENT HOLE ON TOP OF THE TOP RAIL, LOCATED IN THE"8
DRILL
GALVANIZING QUALITY AND LOWEST GALVANIZING COST.
INSIDE DIAMETER, OR 2", PRIOR TO WELDING FOR THE BEST
ALL CONNECTION POINTS ON SIDES OF PIPE WILL BE DRILLED TO
CONTAMINATION.
ALL STEEL PARTS MUST BE FREE OF ALL VARNISH AND SURFACE
6.
5.
4.
3.
2.
1.
GALVANIZING SPECIFICATIONS:
PIPE 5 DETAIL
0 3 6 9
SCALE: 3" = 1'-0"
PL-02
0 3 6 9
SCALE: 3" = 1'-0"
MOUNTING BRACKET ASSY
0 3 6 9
SCALE: 3" = 1'-0"
PL-01
0 3 6 9
SCALE: 3" = 1'-0"
PIPE 3 DETAL
0 3 6 9
SCALE: 3" = 1'-0"
SEE SECTION "B" BOTH SIDES
ON JOINT C
" R.16
COVE 1
ON JOINT C
DRILL 2" HOLE
C RAILL
"16
4'-"8
2'-9
13" TYP
"32
2'-9
TEE JOINT WELDMENT
0 3 6 9
SCALE: 3" = 1'-0"
L L
SEE SECTION B (TYP)
12"
(84 TOTAL REQ'D) (84 TOTAL REQ'D)
(84 TOTAL REQ'D)
" PLATE STEEL8
TYP
C STANCHION (TYP)L
C STANCHIONL C STANCHIONL
SEE SECTION "B" (TYP)
TOP VIEW
FRONT VIEW SIDE VIEW
FRONT VIEWSIDE VIEW
TYPICAL TOP VIEW
C STANCHIONL
C STANCHIONL
(BOTH ENDS)
SEE SECTION B
R E
F
C LOWER RAILL
C TOP RAILL
PIPE 2
5'-0"
HOT DIP GALVANIZING.
TO BE PLUGGED AFTER
VENT HOLE"8
DRILL
"16
4'-
PIPE 9 OPPOSITE HAND
PIPE 8
PIPE 10
PIPE 5 (2 PLCS)
MOUNTING BRCKET ASSY. (2 PLCS)
PIPE 1
HOT DIP GALVANIZING.
TO BE PLUGGED AFTER
VENT HOLE"8
DRILL TOP VIEW
(1 AS SHOWN & 1 OPPOSITE HAND REQ'D)
EAST CORNER GUARD RAIL ASSY
0 3 6 9
SCALE: 3" = 1'-0"
FRONT VIEW SIDE VIEW
R
PIPE 4 DETAIL
0 3 6 9
SCALE: 3" = 1'-0"
C TOP RAILL
C LOWER RAILL
10'-0"
R E
F
5'-0"
HOT DIP GALVANIZING.
TO BE PLUGGED AFTER
VENT HOLE"8
DRILL
(PIPE 8 AS SHOWN & PIPE 9 OPPOSITE HAND)
PIPE 8/9 DETAL
0 3 6 9
SCALE: 3" = 1'-0"
FRONT VIEWSIDE VIEW
(38 REQ'D)
(40 REQ'D) (44 REQ'D)
PIPE 2 DETAL
0 3 6 9
SCALE: 3" = 1'-0"
PIPE 1 DETAL
0 3 6 9
SCALE: 3" = 1'-0"
" T Y P
R
" STEEL PLATE 8
(20 PCS TOTAL REQ'D)
GUARD RAIL PANEL 2 ASSY
0 3 6 9
SCALE: 3" = 1'-0"
SET SCREW
" HOLE FOR8
DRILL AND TAP
PIPE 3
TOP OF PARAPET
MOUNTING BRCKET ASSY. (2 PLCS)
PIPE 5
"8
2'-9" 3'-3"
"8
SEE SECTION "B" BOTH SIDES
"8
2'-9 "16
4'-
C STANCHION C STANCHION
SEE SECTION "B" (TYP)
LL
13" TYP
(PIPE 6 AS SHOWN & PIPE 7 OPPOSITE HAND)
" T
Y P
R
2'-6" TYP 5'-0"
2'-6" TYP 5'-0"
TYP
(20 REQ'D)
(18 REQ'D)
TOP VIEW
FRONT VIEWSIDE VIEW
(4 REQ'D)
" TYP
R
5'-0"
" T
Y P
R
4" TYP
R
TYP
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