C04 - ATT 10A 840-2a 24inch OSD (A1 ADDED).pdf
PDF 183 KB Posted
- Solicitation number
- 127EAW26Q0056
- Issued by
-
Department of Agriculture Forest Service
About this file
This document is a set of construction details for overside drain fabrication from the United States Department of Agriculture Forest Service, Los Padres National Forest in Monterey County, California. The document displays technical specifications and dimensional drawings for two galvanized sheet metal components: a 24" Headwall and a 24" Starter. The 24" Headwall is fabricated from 14-gauge galvanized sheet metal and features a 6-foot width with multiple internal compartments measuring 2'-0.25" across, rounded corners with 1.5" radius specifications, and drainage holes spaced at 7.2" intervals. The 24" Starter is constructed from 16-gauge galvanized sheet metal and measures 2'-9.8" in length with a 7-inch radius curved end, incorporating angled side panels at 75 and 90 degrees and multiple drain openings with 0.4" typical spacing.
Both components are designed for integration into an overside drainage system with precise connection points and standardized hole spacing for attachment. The drawings indicate all critical dimensions in feet and inches with tolerance specifications, radius measurements, and typical detail callouts to guide fabrication. These construction details serve as specifications for contractors or fabrication facilities tasked with manufacturing these drainage system components for forest service infrastructure applications.
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Text version
2'-0.25"
R1.5"
R1.5"
2'-0.25"
1'-11.5"
1"
7.2"
1"
7.2" 7.2"
1"
0.4" TYPICAL
1"
1"
6'-0"
2'-.25"
2'-.25"
U n i t e d
S t a t e s
D e p a r t m e n t o f
A g r i c u l t u r e
F o r e s t
S e r v i c e
840-2a
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T H
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S T
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F
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M O
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C A
L I F
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N I A
CONSTRUCTION
DETAILS
OVERSIDE DRAIN
FABRICATION
24" HEADWALL
SHEET 2 OF 3
OVERSIDE DRAIN
ALTERNATE
SCALE: NTS
*Material-14 Guage Galvanized Sheet Metal
1'-11.5"
1.0"
7.2"
2.0"
2.0"
1.0"
R0.5"
R0.5"
0.4" TYPICAL
7.2" 7.2"
1.0"
2'-6"
2'-9.8"
R7"
1.5"
1.5"
U n i t e d
S t a t e s
D e p a r t m e n t o f
A g r i c u l t u r e
F o r e s t
S e r v i c e
840-2a
R
P
A C
I F
I
S
U
T H
W E
S T
L O
S
P
A D
R E
S
N
A T
I O
N A
L
F
O R
E S
T
M O
N T
E R
E Y
U
N T
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C A
L I F
O R
N I A
CONSTRUCTION
DETAILS
OVERSIDE DRAIN
FABRICATION
24" STARTER
SHEET 2 OF 3
OVERSIDE DRAIN
ALTERNATE
SCALE: NTS
*Material-16 Guage Galvanized Sheet Metal
| Sheets and Views |
| 840-2a 24 inch Starter-Layout1 |
| 840-2a 24 inch Headwall.pdf |
| Sheets and Views |
| 840-2a 24 inch Headwall-Layout1 |
| 840-2a Flume.pdf |
| Sheets and Views |
| 840-2a Flume-Layout1 |
| 840-2a 24 inch Headwall.pdf |
| Sheets and Views |
| 840-2a 24 inch Headwall-Layout1 |
| 840-2a 24 inch Starter.pdf |
| Sheets and Views |
| 840-2a 24 inch Starter-Layout1 |
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