Laserfiche WebLink
Fence Specifications: <br /> Repair, Removal and Install: <br /> a Removal of existing 4' chain link fence and install approximately (3000 +/-) 6' +1' <br /> fence with barbwire top as required. <br /> b. Contractor will be responsible for fence removal and stored in a designated area <br /> indicated by the Airport representative. <br /> c. Repair existing North East entrance gate and North West entrance gate to T- <br /> Hangar <br /> d. Replace existing gate North East of Barracks building with fence. <br /> Fence Materials <br /> a. Fabric: Zinc coated fabric shall be G.A.W. (galvanized after weaving) with a <br /> minimum 1.2 ounces of zinc per square foot of surface area and conform to <br /> ASTM A-392, Class 1. Fabric shall be 9 gauge wire woven in a 2" diamond <br /> mesh. The top selvage shall be knuckled, bottom selvage to be knuckled also. <br /> b. Barbed Wire. Barbed wire should be 3 strand 12-2 gauge wire with 4 point <br /> barbs and should be zinc coated and conform to the requirements of ASTM <br /> Al21. <br /> c. Concrete Mix: ASTM C94 Portland Cement with maximum'/" aggregate having <br /> a minimum compressive strength of 3,000 PSI at 28 days. <br /> d. Line Posts: Shall be 2-1/2" SCH 40 Pipe. <br /> e. Terminal Posts: Shall be 3" SCH 40 Pipe. <br /> f. Gate Posts: Shall be 3" SCH 40 Pipe. <br /> g. Gates: Shall be fabricated from 1-5/8" SCH 40 Pipe, include heavy-duty <br /> industrial galvanized pressed-steel 180� type hinges, industrial drop bars, forks <br /> and associated hardware, all joints shall be welded. All welds shall be treated <br /> with a galvanizing compound after welding. <br /> h Post Caps: Shall be pressed semi-steel. Supply cone type caps for terminal <br /> posts and loop type for line posts. <br /> i. Rail and Brace Bands: Shall be pressed steel, cup shaped to receive rail and <br /> brace ends. <br /> j. Toq Rail: Shall be 1-5/8" SCH 40 Pipe. <br /> k. Top Rail Sleeves: Shall be tubular steel, 0.051 thickness x7" long, expansion <br /> type <br /> I. Tension Bars: Shall be galvanized steel strip, 5/8" wide x 3/16" thick. <br /> m. Tension Bands: Shall be pressed steel, 14 gauge thickness x3/4" wide. <br /> n. Brace Bands. Shall be pressed steel, 12 gauge thickness x3/4" wide. <br /> o. Truss Rods. Shall be steel rod, 3/8" diameter commercial quality with turn- <br /> buckle. <br /> p. Tension Wire: Shall be marcelled 7 gauge zinc coated steel wire. <br /> q. Tie Wires: Shall be Aluminum, 9 gauge, alloy 1100-H4 or equivalent. <br /> Installation <br /> a. Shall conform to ASTMF-567 <br /> b. Post settinq: Set terminal and line posts plumb in concrete footings Top of <br /> footing shall be crowned and flush with existing grade. <br /> c. Terminal Post: Concrete backfill shall have a minimum diameter of 12" and a <br /> minimum of 36". <br /> d. Line Post: Concrete backfill shall have a minimum diameter of 12" set at a <br /> minimum depth of 24". <br /> 22 <br />