894.1General Description
This section includes the requirements for the following types of fence and fencing accessories: • Chain link fence • Woven wire fence • Barbed wire • Ground rods • Field fencing • Silt fabric fencing 894.1.01 Related References
ASTM AASHTO A 116 A 121 A 123/ A 123M A 153/ A 153M A 239 A 584 A 585 A 702 F 1043 M 111 M 181 M 232/ M 232M
894.2Materials
894.2.01 Chain Link Fence
Use zinc or aluminum coated steel fabrics, fittings, accessories, and posts for chain link fence conforming to the following requirements:
Use woven wire with reasonably uniform 2 in. (50 mm) square mesh. Ensure the mesh has parallel sides and horizontal and vertical diagonals of uniform dimensions. Use the wire size specified on the plans or in the Proposal.
conform to AASHTO M 181, Type I, Class C.
to AASHTO M181, Type II. 1729 1729 1729
Section 25.2 for aluminum coated fabric. Use wire coated according to AASHTO M 181, Section 3.5.2 for zinc-coated fabric.
1) Ensure fittings or accessories not included in AASHTO M 181 conform to industry standards for heavy, industrial-type fences. 2) Hot-dip the materials in zinc with AASHTO M 111 Grade 50 Coating. For aluminum coated fabric, you may use materials made from Aluminum Alloy 360, die-cast, or Sand Alloy 356, ZG61A, or Tenzalloy. 3) Use bolts and nuts-conforming to industry standards and are zinc coated with the hot-dip process according to AASHTO M 232/ M 232M.
Use posts, rails, and braces-conforming to AASHTO M 181 and ASTM F 1043. Ensure diameter, wall thickness, and weight conform to ASTM F 1043, Figure 2, Summary of Requirements for Industrial Fence, and the physical tolerance and material requirements conform to AASHTO M 181. Do not use Light Industrial/Commercial Fence as detailed in ASTM F 1043, Figure 3. Check the Plans for specifications on posts used for special applications. Use special posts conforming to AASHTO M 181 or posts approved by the Office of Materials and Testing.
Use support posts and gate frames as designated on the Construction Detail or Project Plans. Use gate materials meeting the requirements of Subsection 894.2.01.A.3.
Ensure the chain link fence fabric is produced by recognized, good commercial practices.
The Department will reject chain link fabric with excessive roughness, blisters, sal ammoniac spots, bruises, flaking, bare spots, or other obvious defects to any considerable extent.
General Provisions 101 through 150. 894.2.02 Woven Wire Fence
Use fabric meeting the requirements of ASTM A 116, Design Number 1047-6-11, with Class 3 coating.
11, for the woven wire fence fabric. 1730 1730 1730
Use steel or wood posts of the sizes shown on the Plans.
the hot-dip method according to ASTM A 123/A 123M.
Furnish a certification to the Engineer from the manufacturer showing the physical properties of the materials.
Galvanize the following accessories according to ASTM A 153/ A 153M. Use 0.80 oz./ft² (245 g/m²) as the galvanizing minimum. Galvanize other accessories as necessary or specified on the Plans.
Use support posts and gate frames of the size designated on the Construction Detail or Project Plans.
spelter coating.
894.2.02.A.4.
The Department will reject woven wire fabric with excessive roughness, blisters, sal ammoniac spots, bruises, flaking, bare spots, or other obvious defects to any considerable extent.
General Provisions 101 through 150. 894.2.03 Barbed Wire
Use wire meeting the requirements of ASTM A 121 and has a Class 3 zinc coating.
Use wire meeting the requirements of ASTM A 585.
Use posts as specified in Subsection 894.2.02.A.2 for barbed wire fence.
General Provisions 101 through 150.
General Provisions 101 through 150. 1731 1731 1731
General Provisions 101 through 150. 894.2.04 Ground Rods
shown on the Plans.
requirements of ASTM A 153/ A 153M.
General Provisions 101 through 150.
General Provisions 101 through 150.
General Provisions 101 through 150. 894.2.05 Field Fencing (Woven Wire and Barbed Wire)
Field fencing designates replacement fencing outside the Right of Way or temporary fencing inside the Right of Way, provided you do not reuse the materials for permanent fencing inside the Right of Way.
Use woven wire fabric meeting the requirements of ASTM A 116 Design No. 939-6-12-1/2, and has a Class I coating, unless otherwise designated.
Use wire meeting the requirements of ASTM A 121 and has a Class I coating. Use the same number of barbed wire strands as the existing or replaced fence, or as specified in the plans.
Use either galvanized steel, painted steel, or treated timber of the dimensions and spacing shown on the construction detail or plans.
Use posts, frame material, hinges, and fittings of acceptable commercial quality. Get approval from the Engineer before use.
General Provisions 101 through 150.
are equivalent in quality to the fence being replaced or to the existing fence, as applicable.
General Provisions 101 through 150. 1732 1732 1732
894.2.06 Silt Fabric Fencing
1) Woven Wire Support Fence
wires.
1/2 gauge (3.00 mm). Use Washburn and Moen Standard requirements for determining wire gauge.
2) Polypropylene Support Mesh
top and bottom of fabric and 11 in. (279 mm) ± 1 in. (25 mm) from top and bottom of fabric. Use a T-90 or T-45 black polyester thread to sew mesh to fabric with a lock stitch at 5 to 7 stitches per inch (5 to 7 stitches per 25 mm).
tolerance of 1 in. (25 mm).
lbs./3 inches and 72 lbs./3 inches (32.6 kg/76.2 mm) the transverse direction.
2 (4.7 kg/92.9 m2).
minimum 7.5 per 10 inches (7.5 per 254 mm) and a minimum 13 per 10 inches (13 per 254 mm) in the transverse direction.
resistant to deterioration from exposure to sunlight or heat.
Use post sizes and types as determined by the type of fence being installed. Generally, hardwood posts will be limited to ash, hickory, or oak. Other hardwoods may be acceptable if approved by the Office of Materials and Testing.
1) If using soft wood, use posts at least 3 in. (75 mm) in. diameter or nominal 2 x 4 in. (50.8 x 101.6 mm) and straight enough to provide a fence without noticeable misalignment. 2) If using hardwood, use posts 1-1/2 x 1-1/2 in. (38.1 x 38.1 mm) with a minus tolerance of 3/8 in. (9.5 mm) providing the cross sectional area is at least 2.15 in. 2 (1385 mm2). 3) If using steel, use “U,” “T,” or “C” shaped posts with a minimum weight of 1.15 lbs/ft. (1.7 kg/m) and have projections for fastening the fence to the posts.
1) If using soft wood, use posts at least 2 in. (50 mm) in diameter or nominal 2 x 2 in. (50.8 x 50.8 mm). 2) If using hardwood, use posts 1 x 1 in. (25.4 x 25.4 mm) with a minus tolerance of 1/ 4 in. (6.3 mm) providing the cross-sectional area is at least 0.95 in2 (610 mm2). 3) If using steel posts, use “U,” “T,” or “C” shaped posts with a minimum weight of 0.75 lb/ft. (1.1 kg/m). 1733 1733 1733
1) Woven Wire Supported: Use only steel posts with a minimum length of 4 ft. (1.2 m). Use “U,” “T,” or “C” shaped posts with a minimum weight of 1.15 lbs./ft. (1.7 kg/m). Use posts with projections for fastening the woven wire and filter fabric. 2) Polypropylene Mesh Supported: Use either wood or steel posts at least 4 ft. (1.2 m) long.
mm) and straight enough to provide a fence without noticeable misalignment.
providing the cross sectional area is at least 3.28 in (2120 mm
).
kg/m). Use posts with projections for fastening the woven wire and filter fabric.
NOTE: You must use woven wire or polypropylene mesh to provide extra support for Type “C” fence
installations.
at least 3/4 in. (19 mm) wide.
mm).
General Provisions 101 through 150.
General Provisions 101 through 150.
General Provisions 101 through 150.. 1734 1734 1734
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