- 910 - SECTION 1064 -- FENCES
1064.01 Description
1.This Section covers chain-lin k fence, woven wire fence, barbed wire fence, and the posts, fabric, wire, staples, ties, and fittings used in the construction of these fences.
1064.02 Material Characteristics
1.Chain-link Fence:
a.Approved types: (1) Zinc-coated steel chain-link fence fabric shall conform to the requirements of ASTM A 392. The fabric shall be zinc-coated after weaving with a Class 2 coating.
2.Aluminum-coated steel chain-link fence fabric shall conform to the requirements of ASTM A 491. The fabric shall be aluminum- coated before weaving.
3.Zinc 5% aluminum-misc hmetal alloy-coated steel chain link fence shall conform to the require ments of ASTM F 1345. The fabric shall be coated before weavin g with a Class 2 coating.
4.Vinyl-coated steel chain-link fence fabric shall conform to the requirements of Federal Specif ication RR-F-191/1. The vinyl coating shall be thermally bonded over the fa bric and be the color shown in the contract.
5.The fabric shall be the he ight specified in the contract. Wire shall be 9 gauge [0.1 48 inch (3.76 mm)] in diameter. Mesh openings shall be 2 inches (50 mm).
b.Steel Fence Posts, Braces, and Rails: (1) Tubular steel pipe used for line posts, end posts, corner posts, pull posts, top rail, and brace ra il shall be of the nominal pipe size (NPS) shown in the contract.
2.Tubular steel pipe shall conform to the requirements of ASTM F 1083 Schedule 40 pipe. Pipe shall be coated in accordance with ASTM F 1043, Types A or C.
3.Tubular steel pipe other than ASTM F 1083 Schedule 40 pipe meeting the outside dimens ional requirements of ASTM F 1083 Schedule 40 pipe may be used provided the product of the yield strength of the pipe multiplied by its section modu lus is not less than the product of the section modulus of an equivalent diameter F 1083 Schedule 40 pipe multiplied by 25,800 psi (180 MPa). Pipe meeting these requirements shall be hot-dipped galvanized in accordance with the applicable requirements of ASTM F 1083 or be coated as follows:
i.The exterior surface shall be hot-dipped galvanized with a minimum of 0.9 oz/ft² (275 g/m
2.and have a uniform, chromate conversion coating applied. The hot dipped galvanized exterior shall also be top coated with a clear organic coati ng such as urethane or polyurethane (the chromate conversion coating being applied either as a separate treatment or simultaneously with the organic topcoat). Fences 1064.02 - 911 - (ii) The interior surface shall have a protective coating of zinc-rich paint with a minimum thickness of 0.3 mils (7.6 m) or a hot-dipped zinc interior coating of not less than 0.35 oz/ft² (107g/m2). (iii) Pipe conforming to these requirements shall meet the applicable coating specification requ irements of AASHTO M 181 for Grade 2 pipe.
4.The manufacturer, fabricat or, or supplier shall furnish the Engineer with test reports and a certif icate of compliance stating that the material furnished meets these Specification requirements.
c.Roll Formed and "C" Sections for Posts, Braces, and Top Rail:
1.End, corner, and pull posts shall be 3 1/2 inches x 3 1/2 inches (89 mm x 89 mm) roll formed sections with integral fabric loops. Posts shall weigh 5.15 lb/ft (7.66 kg/ m) after galvanizing with a maximum weight tolerance of 2 1/2% and a mi nimum yield strength of 35,000 psi (240 MPa). Posts shall be coated in accordance with ASTM F 1043, Types A or C.
2.Line posts shall be 2.2 inches x 1.7 inch (56 mm x 43 mm) "C" Sections with a wei ght of 2.64 lb/ft after galvanizing with a maximum weight tolerance of 2 1/2% and a minimum yield strength of 45,000 psi (310 MPa). Posts shall be coated in accordance with ASTM F 1043, Types A or C.
3.Top rails and braces shall be 1 5/8 inches x 1 1/4 inches (41 mm x 32 mm) roll formed sections with a weight of 1.35 lb/ft (2.0 kg/m) after galvanizing with a maximum weight tolerance of 2 1/2% and a minimum yield strength of 35,000 psi (240 MPa). Top rails and braces shall be coated in accordance with ASTM F 1043, Types A or C.
d.Vinyl Coated Fence Posts: Vinyl coated fence posts s hall meet the requirements of Federal Specification RR-F-191/3 and RR-F-191/4. Posts, top rails, and braces shall be Class 1 (Steel pipe), Class 3 (Formed steel), Class 4 (Steel H sections), or Class 6 (Steel square se ctions). Posts shall be of the length and color shown in the contract. T he vinyl coating shall be thermally bonded.
e.Ties and Fasteners: (1) Ties and fasteners shall be made from at least 11 gauge [0.12 inch (3 mm)] diameter steel wire conforming to the requirements of Section 1063. Aluminum alloy wire 7 gauge [0.144 inch (3.65 mm)] in diameter having a minimum tensile st rength of 20,000 psi (138 MPa) and a minimum elongation of 8% may also be used.
2.Ties and fasteners for viny l coated steel chain-link fence shall meet the requirements of Federal Specification RR-F-191/4, and be the same color as the fabric. The vinyl coating shall be thermally bonded.
2.Woven Wire Fence:
a.The woven wire fence fabric shall be 47 inches (1190 mm) high, have 10 horizontal wires, and have stay wires spaced on 6-inch (150 mm) centers. The intermediate line wires shall have a minimum
1064.02 Fences
- 912 - breaking strength of 685 pounds (3050 N). The top and bottom wires shall have a minimum breaking strength of 1030 pounds (4590 N).
b.Approved Types:
1.Zinc-coated steel woven wi re fence fabric shall conform to the requirements of ASTM A 116 except th at the minimum zinc coating shall be 0.80 oz/ft2 (244 g/m2).
2.Aluminum-coated steel woven wire fence fabric shall conform to the requirements of ASTM A 584.
c.Fence Posts:
1.Wood Posts shall conform to the requirements of Section 1075.
2.Tubular steel posts shall c onform to Paragraph 1.b. of this Subsection.
3.Studded "T" steel line posts shall meet the requirements of ASTM A 702.
d.Staples: Staples for fastening fence materials to wood posts shall be made of steel wire at least 9 gauge [0.1 48 inch (3.75 mm)] in diameter and have 1 1/2 inches (38 mm) long barbed or serrated prongs.
e.Ties and Fasteners: Ties and fasteners shall confo rm to Paragraph 1.e. of this Subsection.
f.Tension Wire and Cross Ties: Tension wire and cross ties shall be smooth steel wire at least 9 gauge [0.148 inch 3.75 mm)] in diam eter conforming to the requirements of Section 1063.
3.Barbed Wire Fence: a. Zinc-coated and aluminum-coated steel barbed wire. (1) Zinc-coated steel barbed wire shall be 12 1/2 gauge [0.099 inch (2.51 mm)] in diameter c onforming to the requirements of ASTM A 121 with a Class 3 coating. The barbs shall be 2 point at 4 inch (100 mm) centers or 4 point at 5 inch (125 mm) centers. At his/her option, the Contractor may furnish two-strand high tensile strength steel barbed wire, 0.067 inch (1.70 mm) in diameter, meeting the requirements of ASTM A 121 except that the minimum zinc coating shall be 0.80 oz/ft 2 (244 g/m2). The barbs shall be 4 point, 16-½ gauge (0.058 inch) (1.47 mm), at 5-inch (125 mm) centers.
2.Aluminum-coated steel barbed wire shall be 12-½ gauge (0.099 inch) (2.51 mm) in diameter co nforming to the requirements of ASTM A 585. The barbs shall be 4 point, 14 gauge (0.080 inch) (2.03 mm) at 5-inch (125 mm) centers.
b.Fence Posts:
1.Wood posts shall conform to the requirements of Section 1075. Fences 1064.03 - 913 - (2) Studded "T" steel line posts shall meet the requirements of ASTM A 702.
c.Ties and Fasteners:
1.Staples shall conform to Paragraph 2.d. of this Subsection.
2.Wire fasteners shall conform to Paragraph 1.e.(1) of this Subsection.
d.Tension Wire and Cross Ties: (1) Tension wire and cross ties shall conform to Paragraph 2.f. of this Subsection.
4.Fittings, Hardware, and Accessories: a. All fittings, hardware, and accessories for use with chain-link, woven wire, and barbed wire fencing shall be pressed or rolled steel, forged steel, cast steel, or malleable iron, as appropriate, and have sufficient strength and other properties to m eet the industry requirements for the fence's intended use.
b.Malleable iron and steel ca stings, bolts, nuts, and similar threaded fasteners and nails shall be galvanized in accordance with the requirements of Section 1059.
c.All other fittings and hardware items 1/8 inch (3 mm) thick and larger shall be galvanized in accordance with the requirements of the ASTM A 123.
d.Tubular steel posts shall have heavy malleable iron caps galvanized to meet the requirements in ASTM A 153. The caps shall provide a drive fit over the posts to exclude moisture.
5.Vinyl-coated fence accessories shall meet the requirements of Federal Specification RR-F-191/4 and be the same color as the fabric. The vinyl coating shall be thermally bonded.
1064.03 Acceptance Requirements
1.Fences will be accepted based on requirements of this Section and sampling and testing requirements in accordance with the Department’s Materials Sampling Guide . - 914 - SECTION 1065 -- POLYSTYRENE BOARD FILLERS
1065.01 Description
1.This Specification covers the us e of polystyrene board as it is used to form concrete.
1065.02 Material Characteristics
1.Polystrene board shall have a minimum flexural strength of 35 psi (240 kPa), as determined by ASTM C 203. It shall also have a compressive yield strength between 16 psi and 40 psi (110 kPa and 275 kPa) at 5% by volume compression.
2.When the contract requires a facing surface of 1/8 inch (3 mm) thick hard board, then the hard board shall conform to ANSI A 135.4.
1065.03 Acceptance Requirements
1.Polystyrene board and hard board will be considered acceptable for use when the Contractor s ubmits a manufacturer’s certificate of compliance for the conformance with these Specific ations, and approval for use is given by the Department’s Materials and Research Division.
Source: Nebraska Standard Specifications for Highway Construction, 2017 Edition. Pages 944–947 of 1,048.