Specifications include, but are not limited to: A. Purpose. The intent and purpose of this Invitation for Bid is to establish term contracts with qualified suppliers to furnish all labor, materials, equipment, and supervision necessary to provide the repair, replacement, and installation of fencing and gates as needed and requested in accordance with the enclosed general terms, conditions and specifications. Per Section 13-1-153 Multiple source award; limitations on use and Section 13-1-154 Multiple source award; determination required, the Roswell Independent School District has determined that it is necessary, if possible, to make a multiple source award to ensure that the vendor requirement is met. 1. The number of fences that need repairs or replacement each year is contingent on individual properties. At this time, the severity of needs has not been determined and no guarantee is made regarding the amount of work this contract will entail. B. Specifications. 1. Fences, Gates and Accompanying Hardware. LOT A a. Galvanized Chain Link Fence and Gates. i. All chain link fence shall be galvanized and must comply with standards of the Chain Link Fence Manufacturer’s Institute. ii. Fence, gate(s) and accompanying hardware should be provided as a complete system produced by a single manufacturer, including necessary erection accessories, fittings, and fastenings. iii. Comply with ASTM A-53 for requirements of Schedule 40 piping. iv. Height of fence shall be measured from the top of concrete footing to the top of post. v. Provide fabric in one-piece heights for fence heights up to 10 feet measured between top and bottom of outer edge of selvage knuckle or twist. Comply with ASTM A 392, CLFMI CLF 2445, and requirements indicated below: 1. Steel Wire Fabric: Galvanized wire, 0.148” (9 gauge) diameter for fences; 2. 2” mesh size for fabric; and 3. Knuckled top and bottom for Selvages. vi. Gate frames shall be assembled with fully coped welds. All ferrous metal components shall be SSPC-6 commercial blast cleaned. vii. Gate Hardware; 1. Hinges: non-lift-off type, offset to permit 180-degree swing, and of suitable size and weight to support gate. Provide 1-1/2 pair of hinges for each leaf over 6 feet high. 2. Latches: plunger bar type complete with flush plate set in concrete for all double gates and single gates over 10’. Padlock eye shall be an integral part of latch construction. A flush plate shall be set in concrete for both the full open position and full closed position. viii. Miscellaneous Materials and Accessories 1. Post tops: Steel, wrought iron, or malleable iron are considered acceptable. 2. Stretcher Bars: one piece equal to full height of fabric, minimum cross-section 3/16” by ¾”. 3. Metal Bands: steel, wrought iron, or malleable iron are considered acceptable. Shall be used to secure stretcher bars to end, corner, pull and gate posts. 4. Wire Ties: shall be used for tying fabric to line posts, rails and braces and made of 9-gauge steel wire with matching chain link finish. 5. Bolts and Nuts: shall conform to ASTM A-307, Grade A. ix. All installation procedures shall follow a uniform process. Refer to Attachment A for details.
