J3 - Fence Specifications.pdf
PDF 232 KB Posted
- Attached to
- ACP LTR Bridge Trail Crossing Fence Replacement
- Solicitation number
- 12445525B0010
- Issued by
-
Department of Agriculture Forest Service
About this file
This document is a detailed technical drawing from the USDA Forest Service Region 8, specifically a standard fence design for a three-strand barbed wire and wire fabric fence with barbed wire top and bottom. The drawing provides comprehensive specifications for fence construction, including precise measurements for line posts (wood, 4" diameter, 7' long), corner posts (wood, 8" diameter, 7'6" long), bracing techniques, wire tension requirements, and installation guidelines. Key technical details include:
The drawing specifies maximum brace panel spacing of 650 feet, with additional bracing required when vertical alignment changes by 20 degrees or more. It includes specifications for wire types (4-point barbed wire, 9-gauge tension wire), post treatment (in accordance with AASHTO 133), and installation requirements such as post depth, nailing techniques, and wire attachment methods. The document is part of a four-sheet set (sheet 2 of 4, drawing number G-102) for a project at the Savannah River site, with the fence design intended to provide a robust boundary demarcation suitable for forest service land management.
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Text version
LINE POST - WOOD,
4" DIA. MIN. X 7'-0" LONG
REFER TO BRACE
PANEL DETAIL
GROUND
LINE
OPTIONAL LINE POST
7'-0" STEEL POSTBARBED-WIRE
(TYPICAL)
GATE OPENING VARIES
TO BE DETERMINED
BY C.O. AND STATED
ON PLANS
7' 10'
ROAD SURFACE
(VARIES)
CATTLE GATE
1 34" MINIMUM DIAMETER
TUBULAR STEEL QUICK
PIN-LATCH SYSTEM
VARIES 8' TO 12' VARIES 8' TO 12'
4'-3"
2'-9"
MIN.
4'-3"
2'-6"
MIN.
6"
LOOP OF 9-GAGE BRACE
TENSION WIRE TWISTED
TO TIGHTEN OR 4" DIA BRACE
7'
BRACE
6"
7'
BRACE
BARBED-WIRE
(TYPICAL)
LINE POST - WOOD
4" DIA. (TOP) X 7'-0" LONG
NOT TO INTERFERE WITH
HINGE.
END OR CORNER POST - WOOD
8" DIA. (TOP) X 7'-6" LONG LINE POST - WOOD,
4" DIA. (TOP) X 7'-0" LONG
LOOP OF 9-GAGE
WIRE TWISTED TO
TIGHTEN
GRADE
OPTIONAL LINE POST
6'6" STEEL POST
BARBED-WIRE
(TYPICAL)
GATE OPENING VARIES TO BE DETERMINED
BY COR AND CLARIFIED IN TASK ORDER 7' 10'
ROAD SURFACE
GRADE (VARIES)
CHAIN AND PADLOCK
(PADLOCK TO BE
FURNISHED BY ACP)
MESH CATTLE GATE
1 34" MINIMUM DIAMETER
TUBULAR STEEL QUICK
PIN-LATCH SYSTEM
THREADED BOLT HOOK
12" MINIMUM LENGTH
TO ACCOMMODATE GATE
HARDWARE (TYPICAL)
3'
4'-6"
VARIES 8' TO 12' VARIES 8' TO 12'
4'-3"
2'-9" MIN.2'-6" MIN.
DAP
(TYPICAL)
LINE POST - WOOD
4" DIA. (TOP) X 7'-0" LONG
END OR CORNER POST - WOOD
8" DIA. (TOP) X 7'-6" LONG
LOOP OF 9-GAGE WIRE
TWISTED TO TIGHTEN
GRADE
7'
BRACE
2"
4'-2"
7'
BRACE
BARBED-WIRE
(TYPICAL)2"
BARBED-WIRE
(TYPICAL)
5"
3'-11"
END OR CORNER POST - WOOD,
8" DIA. (TOP) X 7'-6" LONG
2-40 D GALV. NAILS
ONE ON TOP, ONE
ON BOTTOM
5"
1" 8"
REFER TO BRACE PANEL DETAIL
(GATE AND END PANEL BRACE
SHOWN BELOW FOR CLARITY)
DAP (TYP.)
4'-6"
3'
CHAIN AND PADLOCK
(GOVT. FURNISHED)
16" MIN.
16"
10" MIN.
3'-9" MAX.
4'-3"
6"
16" MIN.
16"
10" MIN.
3'
TYP
3'3'
END OR CORNER POST - WOOD
8" DIA. (TOP) X 7'-6" LONG
LINE POST - WOOD
4" DIA. (TOP) X 7'-0" LONG
WOVEN WIRE FENCE BRACE PANEL DETAIL
(MAXIMUM SPACING 650'. LINE BRACES ALSO
TO BE USED WHEN VERTICAL ALIGNMENT
CHANGES 20° (36.4%) OR MORE)
3-STRAND BARBED WIRE FENCE BRACE PANEL DETAIL
(MAXIMUM SPACING 650'. LINE BRACES ALSO TO BE USED
WHEN VERTICAL ALIGNMENT CHANGES 20° (36.4%) OR MORE)
THREADED BOLT HOOK
12" MINIMUM LENGTH
TO ACCOMMODATE GATE
HARDWARE (TYPICAL)
WOVEN WIRE FENCE W/ BARBED WIRE TOP AND BOTTOM
LAYOUT (NTS)
DAP DETAIL
3-STRAND BARBED WIRE FENCE
LAYOUT (NTS)
4'-3"
END OR CORNER
POST, TYP
4" MIN BRACE
4" MIN. BRACE
7'-0"
BRACE
7'-0"
BRACE
9-GAGE TENSION
WIRE TWISTED
4 PT. BARBED WIRE8"Ø
8"Ø 8"Ø
3'-0"
9-GAGE BRACE
TENSION WIRE
TWISTED
CORNER BRACE
(TO BE USED WHEN
CORNER IS 20° OR MORE)
PAY ITEM 61910 COVERS
9-GAGE TENSION BRACE
WIRES AND 4" DIA. BRACE
POST (9-GAGE TENSION WIRE
AND 4" DIA. BRACE POST
BOTH ARE ACCEPTABLE
TO CONSTRUCT BRACE
PANELS. SUBMIT TO C.O.
FOR APPROVAL)
30°
DETAIL
SHOWING METHOD OF
CUTTING WOOD POST TOPS
United States Department of Agriculture Forest Service
USDA FOREST SERVICE
REGION 8
PROJECT NAME
STANDARD
FENCE DETAIL
SAVANNAH
RIVER
DRAWING TITLE
DATE SIGNED
DESIGNER
DRAWN
CHECKED
PROJECT NO.
DWG SHEET NO.
SHEET
THREE STRAND BARBED WIRE
AND WIRE FABRIC WITH
BARBED WIRE TOP AND
BOTTOM
L. MOORE
G-102
NOTE:
1. PLACE DIAGONAL 4" BRACE IN DIRECTION OF
PULL. NOTCH POSTS FOR THE 4" DIAGONAL
BRACES. ALL DIAGONAL 4" BRACES TO HAVE 2
GALVANIZED 12d NAILS AT EACH END.
GENERAL NOTES:
1. ALL FENCING WORK IN ITS ENTIRETY SHALL CONFORM TO FSSS SECTION 619
2. POSTS SHALL BE MADE FROM SOUTHERN PINE, WEST COAST DOUGLAS FIR, PONDEROSA PINE, OR LODGEPOLE PINE. POSTS ARE TREATED IN ACCORDANCE WITH AASHTO 133 USING
EITHER PENTACHLOROPHENAL OR CHROMATED COPPER ARSENATE. MINIMUM NET RETENTION OF PRESERVATIVE PER CUBIC FOOT OF WOOD SHALL BE:
a. PENTACHLOROPHENOL 0.5 lb.
b. CHROMATED COPPER ARSENATE 0.5 lb.
BRACE PANEL POSTS HAVE A MINIMUM DIAMETER OF 6” AND HAVE A MINIMUM LENGTH OF 7'-6”. AND HORIZONTAL BRACES HAVE A MINIMUM DIAMETER OF 4" AND HAVE A MINIMUM
LENGTH OF 7'.
3. LINE POSTS WILL BE IDENTIFIED IN PLANS AND SCHEDULE OF ITEMS:
a. WOOD LINE POSTS HAVE A MINIMUM DIAMETER OF 4" AT THE TOP AND HAVE A MINIMUM LENGTH OF 7'. DETERMINE THE DIAMETERS BY MEASURING THE CIRCUMFERENCE AND
DIVIDING BY 3.14.
b. METAL LINE POSTS ARE STEEL "TEE" SECTIONS, 6'-6" IN LENGTH, WEIGHING NOT LESS THAN 1.3 LB/FT, AND HAVE AN ANCHOR PLATE SUFFICIENT TO RESIST MOVEMENT.
c. ALL STEEL POSTS HAVE A WEATHER RESISTANT GREEN, BAKED-ENAMEL FINISH WHICH IS ALSO RESISTANT TO THE SHOCK OF DRIVING OPERATIONS. WHITE PAINT ON THE TOP
PORTION OF THE POSTS IS OPTIONAL.
d. STEEL LINE POSTS WITH STUDDED FACE WILL BE ACCEPTABLE IN LIEU
OF DRILLED OR PUNCHED HOLES.
4. BARBED WIRE SHALL CONFORM TO FP-14,SECTION 710.01 AND AASHTO M 280, TYPE A, AND ARE TWO STRANDS OF 12 1/2 GAGE GALVANIZED WIRE, TWISTED, HAVING 4 POINT BARB, DOUBLE WRAP, 14 GAGE ROUND BARBS WITH SPACING OF BARBS BEING 5 INCHES. ALL BARBED-WIRE STRANDS SHALL BE WRAPPED TWICE AROUND PULL POST AND STAPLED AT LEAST
4 TIMES.
5. WOVEN WIRE MESH SHALL FABRIC CONFORM TO FP-14,SECTION 710.02 AND AASHTO M 279, NO. 11 GRADE 60, CONSISTING OF 10 HORIZONTAL WIRES WITH VERTICAL CROSS WIRES SPACED 6" APART. THE TOP AND BOTTOM WIRES ARE 9 GAGE GALVANIZED AND THE INTERMEDIATE WIRES AND VERTICAL WIRES ARE 11 GAGE GALVANIZED. THE NOMINAL HEIGHT IS 47”.
6. BRACE TENSION WIRES ARE DOUBLE STRAND, TWISTED, 8 GAGE GALVANIZED. STAPLES ARE 1 1/2 " LONG, .015" GALVANIZED.
7. STANDARD GATES ARE 3'-6" HIGH, CONSISTING OF A 1 3/4 "O.D. GALVANIZED STEEL TUBULAR FRAME, AND VERTICAL BRACES AT MIDPOINT FOR GATES 14' WIDE OR LESS. TWO BRACES
AT THIRD POINTS ARE REQUIRED FOR GATES OVER 14' WIDE. WOVEN WIRE MESH IS AS SPECIFIED ABOVE, EXCEPT THAT CROSS WIRES MAY BE EITHER A 2" OR 4" SPACING; OR ALTERNATIVELY. GATE HAS ADJUSTABLE HINGES AND A DIAGONAL, ADJUSTABLE, SAG ROD CONSISTING OF 3/8 “GALVANIZED STEEL. LATCH IS A CHAIN WITH A CLOSEABLE HOOK ON ONE
END, FIRMLY STAPLED TO THE POST. ALL FITTINGS ARE GALVANIZED.
8. PLACE BRACE PANELS AT ALL CORNERS, ENDS, INTERSECTIONS AND GATES. ALSO PLACE BRACE PANELS AT ALL CHANGES IN ALIGNMENT AND GRADE IN EXCESS OF 20 DEGREES.
PLACE BRACE PANELS AT UNIFORM INTERVALS OF NOT MORE THAN 660'. IN ADDITION TO BRACE PANELS ADJACENT TO THE STANDARD GATE, PLACE A BRACE PANEL 33' EACH SIDE OF THE GATE BRACING, EXCEPT WHERE ANOTHER BRACE PANEL EXISTS WITHIN 165' OF THE GATE BRACING.
9. STAPLE EVERY STRAND OF BARBED WIRE, AND EVERY OTHER HORIZONTAL STRAND OF WIRE MESH FABRIC TO EACH POST IN ACCORDANCE WITH STANDARD PROCEDURE. MORTISE BRACES INTO POSTS 1 ", AND NAIL WITH 4-40D NAILS AT EACH END. LOOP BRACE TENSION WIRES COMPLETELY AROUND THE POSTS AND FIRMLY STAPLE TO PREVENT SLIPPAGE.
10.MINOR CONCRETE SHALL CONFORM TO FP-14 SECTION 601. COMPLETELY CURE CONCRETE BEFORE WIRE IS STRETCHED.
11.FOR FENCING END POST: THE POST SHALL BE 5-INCHES IN DIAMETER MINIMUM WITH A MINIMUM OF 3'-6” BURIED AND CONCRETED INTO THE GROUND. THE HOLE FOR THE END POST
SHALL BE AT LEAST 1-FT IN DIAMETER.
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| Sheets and Views |
| BARBED-WOVEN WIRE |
File details come from the government source that posted it. Updated .