SECTION 1110 — RIGHT-OF-WAY FENCE
1110.01 WIRE FABRIC AND COMPONENTS —
As shown on the Standard Drawings and as follows:
(a)
Type 1 Right-of-Way Fence.
1. Fabric.
AASHTO-M181, Type I, II, or IV No. 9-gage coated wire size with the same type of coating throughout the project. Galvanize Type I fabric with a Class D coating.
2.
Fasteners.
For attaching the fabric to line posts: No. 6-gage aluminum wire or No. 9-gage galvanized preformed clips.
For attaching the fabric to tension wires: No. 10-gage galvanized steel wire or aluminum hog rings of comparable gage.
Galvanize at a minimum of 1.6 ounces per square foot of actual surface area.
3. Tension Wire.
AASHTO-M181
(b) Type 2 and Type 5 Right-of-Way Fence.
1. Fabric.
Galvanized, No. 9-gage steel wire, No. 11-gage aluminum coated steel wire in accordance with ASTM-A491, or galvanized No. 9-gage steel wire top and bottom with galvanized No. 11-gage steel intermediate wires.
Join vertical stays at each horizontal wire by electric arc welding or by a hinge-type method, consisting of not less than 1 1/4 tightly wrapped twists.
Galvanize at a minimum of 0.6 ounce per square foot of actual surface area, as specified in Section 1110.04.
2.
Fasteners.
For attaching the fabric to posts; aluminum or galvanized steel bands or clamps, galvanized staples set in the post flanges, or another acceptable method.
1110.02 END POSTS, CORNER AND PULL POSTS, LINE POSTS, BRACES, STRETCHER BARS, TRUSS RODS, FITTINGS, AND HARDWARE —
As shown on the Standard Drawings and as follows:
Straight posts true to section
Braces, fittings, and hardware of commercial-quality steel or malleable iron
Posts of commercial quality steel or malleable iron, or Aluminum Alloys 6063-T6, 6005-T5, or 6061-T6, in accordance with ASTM-B221; tubular and open type sections
Satisfactory moisture-excluding caps, firmly and rigidly secured to the post top
Galvanize or coat both the inside and outside of tubular and open type sections, in accordance with AASHTO-M111. Either of two alternate coating systems may be used, as follows:
Outside. Hot-dipped Zinc Coating, in accordance with ASTM-B6, at a minimum of 1.0 ± 0.1 ounce per square foot of actual surface area; chromate conversion coating at 30 ± 15 micrograms per square inch of actual surface area; thermoplastic electrostatically applied acrylic coating, 0.5 ± 0.2 mil in thickness.
and
Inside. Zinc base coating, 0.5 ± 0.2 mils thickness 0.3 ± 0.05 ounces per square foot) with a minimum of 80% zinc powder by weight.
or
Outside and Inside. Hot-dipped pure aluminum coating, commonly identified as Type 2, with a minimum weight of coating of 0.75 ounces per square foot of actual surface area, triple spot test, and 0.70 ounces per square foot of actual surface area, single spot test, as measured in accordance with AASHTO-T213; a chromate conversion coating; and a thin acrylic resin film.
(a)
Type 1 Right-of-Way Fence.
1. End Posts.
Round, rectangular, or square tubular sections, meeting the requirements of Table A; if acceptable, other posts sections, meeting the requirements of Table A.
TABLE A
Minimum Section Modulus About Major & Minor Axis-in.
3
Minimum Yield Point Stress-ksi
Fabric Height
45 or greater
45 to 35
35 to 25
Major
Minor
Major
Minor
Major
Minor
4'
0.304
0.110
0.392
0.141
0.548
0.197
5'
0.381
0.171
0.489
0.220
0.686
0.308
6'
0.457
0.247
0.588
0.317
0.823
0.444
7'
0.533
0.336
0.685
0.432
0.960
0.605
8'
0.609
0.439
0.784
0.564
1.097
0.790
2.
Corner and Pull Posts.
Section 1110.02(a)1., except finish brace clamps or attaching devices, adjustable to various horizontal and vertical angles.
3. Line Posts.
Tubular, H-column, or I-beam sections, meeting the requirements of Table B; if acceptable, other post sections, meeting the requirements of Table B.
TABLE B
Minimum Section Modulus About Major Axis-in.
3
Fabric Height
Minimum Yield Point Stress-ksi
Test Load*
Kips
45 or greater
Major
45 to 35
Major
35 to 25
Major
4'
0.267
0.343
0.480
1.6
5'
0.333
0.429
0.600
2.0
6'
0.400
0.514
0.720
2.4
7'
0.466
0.600
0.840
2.8
8'
0.533
0.686
0.960
3.2
*Test load a 36-inch section of line post for bending capacity about the major axis of its cross section. Apply a concentrated load at span center with supports spaced at 24 inches. Have test section support the minimum load as indicated in Table B, within the elastic limit of the material.
4.
Braces, Stretcher Bars, and Truss Rods.
Braces, 1.66-inch O.D., tubular steel section at nominal 2.27 pounds per linear foot, 1 5/8 X 1 1/4 inches roll formed, U-shaped steel section, at nominal 1.35 pounds per linear foot, or equal.
Stretcher Bars (for attaching the fabric), at least 3/16-inch x 3/4-inch flat steel, or equal.
Truss Rods, 3/8-inch nominal diameter, good quality steel, or equal, with a turnbuckle or other provision for adjustment.
(b) Type 2 and Type 5 Right-of-Way Fence.
1. End, Corner, and Pull Posts.
Tubular, angle, or other acceptable section, meeting the requirements of Table A.
2.
Line Posts.
Tubular, ribbed tee, U-shaped, angle, or other acceptable section, meeting the requirements of Table B.
Attach an acceptable plate or other device to the posts to hold plumb and to keep properly aligned. Fasten the plate or device by welding or riveting (not less than 2 rivets), or by another acceptable method.
3. Braces.
1.66-inch O.D. tubular steel section at nominal 2.27 pounds per linear foot; 2-inch x 2-inch x 1/4-inch angle or equal.
1110.03 GATES —
As shown on the Standard Drawings and as follows:
Swing-type gates, with latches, stops, keepers, hinges, and locks
Steel wire fabric of same type material as the fence
Hinges of adequate strength to support the gate, and that do not twist or turn under the gate's action
Plungebar-type latches that can be locked, full gate height, and located in a manner that engages the gate stop
Forked latches may be permitted, for single gates less than 10 feet wide
Stops are to consist of a flush plate, anchored in concrete, to engage the plungebar of the latch
Other types of stops may be permitted, for single gates less than 10 feet wide
Substantial devices are required for securing and supporting the free end of the gate in an open position
1110.04 GALVANIZING —
Galvanize fabric, posts, post caps, braces, fittings, and hardware, by electrolytic, hop-dip, mechanical, or other acceptable methods as specified in Section 1105.02(s) and as follows:
For Electrolytic Method: ASTM-B633
For Hot-Dip Method:
Posts, Braces, and Fittings — ASTM-A123 or ASTM-A53
Fabric — ASTM-A392
Hardware — ASTM-A153
For Mechanical Method (Hardware Only) — ASTM-B695
Test galvanizing by weight, in accordance with ASTM-A90.
1110.05 INSPECTION —
Material will be inspected, if considered necessary, at the place of manufacture, prior to shipment. Provide facilities for the Department inspector to determine that the material is being furnished, as specified.
1110.06 CERTIFICATION —
Section 106.03(b)3
1110.07 DRIVE ANCHOR —
Acceptable anchors, from a manufacturer listed in Bulletin 15.
No Supplement
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