1. SCOPE

The work shall consist of furnishing and installing chain link fencing complete with all posts, braces, gates and all other appurtenances.

2. MATERIALS

The materials for the chain link fence shall be as follows:

Galvanized

Chain link fence fabric shall conform to the requirements of ASTM A 392, 2-inch mesh, and 9-gauge galvanized steel wire. Zinc coating shall be Class 2.

Posts and fence framework shall conform to the requirements of ASTM F 1043 Group 1A, for Heavy Industrial Fence. Coatings shall be a Type A galvanized coating for both internal and external surfaces. Steel pipe posts shall conform to the requirements of ASTM F 1043 and F 1083.

Fence fittings shall conform to the requirements of ASTM F 626. Fittings shall be galvanized steel. Wire ties and clips shall be 9-gage.

Gates, gate posts and gate accessories shall conform to the requirements of ASTM F 900. Coating shall be the same as selected for adjoining fence and framework.

Barbed wire shall be 12 1/2 gage and shall conform to the requirements of ASTM A 121, chain link fence grade.

Galvanized and PVC Coated

Chain link fence fabric shall conform to the requirements of ASTM F 668 for Class 2a or 2b, 2-inch mesh, and 9-gauge galvanized steel wire. The fabric shall have a polymer top coating of the color specified in Section 6.

Posts and fence framework shall conform to the requirements of ASTM F 1043 Group 1A, for Heavy Industrial Fence. Coatings shall be a Type A galvanized coating for both internal and external surfaces and covered with a polymer top coating of color as specified in Section 6.

Fence fittings shall conform to the requirements of ASTM F 626. Fittings shall be galvanized steel with a polymer top coating of color as specified in Section 6.

Any damage to the coating shall be repaired in accordance with the manufacturer’s recommendations or the damaged fencing material shall be replaced. The Contractor shall provide the Engineer a copy of the manufacturer’s recommended repair procedure and materials prior to correcting damaged coatings.

3. INSTALLING FENCE POSTS

Unless otherwise specified, line posts shall be placed at intervals of ten (10) feet measured from center to center of adjacent posts. In determining the post spacing, measurement will be made parallel with the ground surface.

Posts shall be set in concrete backfill in the manner shown on the drawings.

Posts set in the tops of concrete walls shall be grouted into preformed holes to a depth of 12-inches.

All corner posts, end posts, gate posts, and pull posts shall be embedded, braced and trussed as shown on the drawings or in accordance with appropriate industry practice if not otherwise shown or specified.

4. INSTALLING WIRE FABRIC

Fencing fabric shall not be stretched until at least four (4) days after the posts are grouted into walls or seven (7) days after the posts are set in the concrete backfill.

Fencing fabric shall be installed on the side of the posts designated on the drawings.

The fabric shall be stretched taut and securely fastened, by means of tie clips, to the posts at intervals not exceeding 15-inches and to the top rails or tension wires at intervals not exceeding two (2) feet. Care shall be taken to equalize the fabric tension on each side of each post.

Barbed wire shall be installed as shown on the drawings and shall be pulled taut and fastened to each post or arm with the tie wires or metal tie clips.

5. MEASUREMENT AND PAYMENT

Method 1 The length of fence will be measured to the nearest 0.1 foot along the fence, including gates. Payment will be made at the contract unit price for the specified height of fence. Such payment will constitute full compensation for all labor, materials, equipment and all other items necessary and incidental to the completion of the work.

Method 2 The length of fence will be measured to the nearest 0.1 foot along the fence, excluding gate openings. Payment will be made at the contract unit price for the specified height of fence. The number of each size and type of gate installed will be determined. Payment will be made at the contract unit price for that type and size of gate. Such payment will constitute full compensation for all labor, materials, equipment and all other items necessary and incidental to the completion of the work.

All Methods The following provisions apply to all methods of measurement and payment. Compensation for any item of work described in the contract but not listed in the bid schedule will be included in the payment for the item of work to which it is made subsidiary. Such items and the items to which they are made subsidiary are identified in Section 6 of this specification.