Attachment C - Biddding Specification 1-23-25

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THE CITY OF SUNNY ISLES BEACH PROJECT NO. 21-1011 BUILDING DEPARTMENT RELOCATION TO ANNEX Project No. 21-1011 November 2024 092216-3 Condition of Use Metal Thickness Total wall height of 14 ft. and less with wall finish both sides 20 gauge Total wall height of 14 ft. and less with wall finish one side only 20 gauge Total wall height of 14 ft.-20 ft.-11 in. 18 gauge Total wall height of 21 ft. and higher 16 gauge Walls greater than 24 ft. Consult A/E 1. Provide punched “C”-shaped studs of sizes indicated on Drawings for all conditions. If stud sizes are not indicated on Drawings, provide 4-inch size. Provide unpunched channel-shape top and bottom stud runner tracks of width necessary to accommodate studs. 2. Where track extends to structure above use Superior No. 53 Flex Track as manufactured by Porter Electrical Division, H.K. porter Co., Inc. Provide same gauge and finish as studs. B. Bracing angles: 3/4" x 1-1/4", 22 gage galvanized. C. Screw Fasteners: Type S, 3/8", 1", and 1-5/8" long. D. Channels: 16 gauge galvanized cold-rolled steel, 0.0598-inch minimum thickness and 7/16- inch min. wide flanges. 1. Carrying Channels: 1-1/2 inch deep, 475 lbs per 1000 ft. 2. Furring Channels: 3/4 inch deep, 300 lbs per 1000 ft. E. Furring channels (hat section): ASTM C645, hat shaped, 7/8-inch depth, roll-formed from 25 gage electro-galvanized steel. Provide manufacturer’s clips for attachment to runner channel. F. Furring Accessories: 1. USG DWC-25 hat channels or Gold Bond Screw Furring Channel 2. USG Z-Furring Channels: Manufacturer’s standard zee-shaped furring members with slotted or non-slotted web, 1-1/2-inch depth, fabricated from 25 gage hot- dip galvanized steel sheet complying with ASTM A525, Coating Designation G60. 3. Resilient Channels: USG RC-1, 25 gage, 1/2" x 2 1/2" or as sized on Drawings 4. Patented systems, such as W.R. Grace Construction Products Thermo-Stud Exterior Wall System, will also be acceptable.