634.03 Construction Requirements.
CHAIN LINK INDUSTRIAL FENCE
634.01 Description.
This Section shall cover the work of furnishing and installing, complete in place, commercial chain- link fence on posts and frames with either standard ground mounting or mounted on structures (bridges, retaining walls, etc.) as required by the plans, at locations shown on the plans or designated, all in accordance with the details shown on the plans and these specifications.
634.02 Materials.
a.General . All materials shall conform to the requirements of Division 800, Materials, and shall be in accordance with details shown on the plans. Special attention is directed to Section 871.
b.Special Mounted Fence . When the fence is to be installed on structures which cannot utilize the standard method provided by the regular fence drawings, the type of post installation, etc., will be shown on the plans. Requirements for such installations will be shown on the plans. All miscellaneous steel used in such installations or mounting assemblies shall be of ASTM A 36 steel or approved equal and galvanized in accordance with ASTM A 123, unless such is otherwise provided by the plans.
634.03 Construction Requirements.
a.General . All construction methods and equipment employed in the setting of fence shall be in accordance with requirements of the specifications of the manufacture of the fence materials being used and such that the res ulting structure will provide the expected service and be durable and complete in every detail.
b.Clearing Fence Line . All brush, stumps, logs, large roots, humps of earth, boulders or debris which would interfere with proper construction of the fence in the required location and present a pleasing and acceptable profile along the tops of posts shall be removed before starting fencing operations. Sound standing trees in the fence line shall be removed or trimmed as directed to provide adequate working roo m. The clearing and/or grading of the fence line and the disposal of material removed shall be accomplished in such a way that trees and shrubs on the remainder of the right of way will not be damaged. Breaks in profile of the fence shall be spread over vertical curves of sufficient length to insure a pleasing appearance.
c.Setting Posts . Posts and anchorages shall be set at intervals shown on the plans or directed. The posts shall be set plumb and true in alignment on the side which the fabric is to be a ttached. All end and corner posts, brace posts, pull posts and gate posts shall be set in concrete in accordance with plan details. Line posts may be set in place by one of the following methods: (1) set in concrete in the same manner detailed in the plans for brace posts, (2) driven, provided soil conditions are suitable and full embedment depth is obtained. When posts are driven, methods shall be used to protect the posts from damage due to driving operations. Damaged posts shall be repaired as directed o r removed and replaced without additional cost to the State, Regardless of the installation method used, a stable fence frame shall be obtained. Where unstable soil is encountered, the use of longer posts, concrete anchorage or other approved post stabiliz ation methods shall be required. Where fence is over solid rock or other hard unyielding material is encountered, special treatment may be authorized. When installing fence through areas where other than ground installations are required, special attention shall be given to the attachment of the mounting assemblies to the structure. Anchor bolts, etc. shall be cast into structures wherever possible. Other types of attachments, if permitted by the plans, must be approved by the Engineer before use. In any ev ent, anchorage must be so installed as to present a neat workmanlike appearance.
d.Constructing Fence . Chain link fence shall be stretched taut and securely fastened to each post by means of approved metal bands or No. 9 gage {3.75 mm} wire spaced not mo re than 12 inches {300 mm} apart on posts and
634.04 Method o f Measurement.
not more than 15 inches {375 mm} apart on the rail. The method of attaching at end posts, gates, and corner posts shall be as shown on the plans. If barbed wire is specified on the plans, the barbed wire, barbe d wire arms, and method of attachment shall be as shown on the plans. Wires shall be stretched taut and spaced as shown on the plans.
634.04 Method of Measurement.
The quantity of chain link fence of each separate height and variation shall be the accepted lengths, exclusive of gates, measured along the top rail overall in linear feet {meters} to the nearest foot {0.1 m}, complete in place. The quantity of gates shall be the actual accepted number of gates classified according to type and width of gates. When the item of Protective Cage (Industrial Fence) is provided in the Plans or Proposal, the accepted Protective Cage shall be the complete cage structure installed in accordance with plan details for the designated bridge type structure.
634.05 Basis of Pa yment.
a.Unit Price Coverage . The accepted quantity of fence, measured as provided above, will be paid for at the respective contract unit prices of each separate height and variation, complete in place, which shall be payment in full for all preliminary clearing, grubbing, excavating, and filling; for all materials, including concrete for posts, hardware, fittings and appurtenances; for erecting, bracing and aligning, and for all equipment, tools, labor and incidentals necessary to finish and complete th e work. The accepted number of gates of each size measured as provided above will be paid for at the respective contract unit prices, complete in place, which shall be payment in full for furnishing and erecting all materials, all hinges, braces and other necessary fittings, including lock, 2 keys and one master key for each gate, and for all equipment, tools, labor and incidentals necessary to finish and complete the work. When the item of Protective Cage (Industrial Fence) is provided in the plans or proposal, the accepted complete unit, measured as noted above, will be paid for at the contract lump sum price for each respective unit, complete in place, which shall be payment in full for furnishing all materials, fabrication and erection of all pipe framew ork including the connectors and inserts necessary for the installation of the fabric, and for all equipment, tools, labor and incidentals necessary to finish and complete the work.
b.Payment will be made under Item No .: 634-A Industrial Fence, ___ feet {m} High - per linear foot {meter} 634-B Industrial Fence, ___ feet {m} High, plus Barbed Wire, (45° Arms) - per linear foot {meter} 634-C Industrial Fence, ___ feet {m} High, plus Barbed Wire (Vertical Arms) - per linear foot {meter} 634-D Gate, ___ f eet {m} Wide, Complete with Fittings (With Barbed Wire) or (Without Barbed Wire) - per each 634-E Industrial Fence ___ feet {m} High, Special Mounting - per linear foot {meter} 634-F Protective Cage (Industrial Fence) - per lump sum SECTION 635 WOVEN WIRE FENCE
635.01 Description.
This Section shall cover the work of furnishing and erecting fences of woven wire and barbed wire, together with appropriate gates. Posts shall be wood or metal in accordance with details shown on the plans and/or proposal. Fences shall be erected at the locations and elevations shown on the plans or designated and shall comply with these Specifications. When it is optional as t o the choice of the post type to be used, the alternate, once selected, shall be used throughout the project.
635.02 Materials.
Materials shall conform to requirements of Division 800, Materials, with specific reference to Section 871, and the details show n on the plans.
Source: Alabama Standard Specifications for Highway Construction, 2022 Edition. Pages 520–520 of 934.