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2.1 MANUFACTURERS <br /> A. Manufacturers: Subject to compliance with requirements,provide products by one of the <br /> following: <br /> 1. Acudor Products Inc. <br /> 2. Bar-Co,Inc.Div.,Alfab,Inc. <br /> 3. Cesco Products. <br /> 4. Elnndor Manufacturing Co. <br /> 5. J.L.Industries. <br /> 6. Karp Associates,Inc. <br /> 7. Larsen's Manufacturing Co. <br /> 8. Milcor,Inc. <br /> 9. Nystrom,Inc. <br /> 2.2 MATERIALS <br /> A. Steel Sheet: ASTM A 366/A 366M commercial-quality,cold-rolled steel sheet with baked-on, <br /> rust-inhibitive primer. <br /> 2.3 ACCESS DOORS <br /> A. Noninsulated,Fire-Ra.ted Doors for Walls: Self-latching units consisting of frame,trim, <br /> door,and hardware,including automatic closer,interior latch release,and complying with the following <br /> requirements: <br /> 1. Frame: 0.0598-inch-(1.52-mm-)thick steel sheet. <br /> 2. Door. 0.0598-inch-(1.52-mm-)thick steel sheet. <br /> 3. Hinge: Continuous type. <br /> 4. Latches: Bolt type,operated by either a ring turn or flush key device(keyed alike). <br /> 5. Fire-Protection Rating for Walls: 1-1/2 hours. <br /> B. Flush Access Doors with Exposed Trim: Units consisting of frame with exposed trim,door, <br /> hardware,and complying with the following requirements: <br /> 1. Frame: 0.0598-inch-(1.52-mm-)thick steel sheet. <br /> 2. Door: 0.0747-inch-(1.90-mm-)thick steel sheet. <br /> 3. Trim: Flange integral with frame,3/4 inch(19 mm)wide,overlapping surrounding <br /> fmished surface. <br /> 4. Hinge: Continuous type. <br /> 5. Locks: Flush,screwdriver-operated cam. <br /> 2.4 FABRICATION <br /> A. General: Manufacture each access door assembly as an integral unit ready for installation. <br /> B. Steel Access Doors and Frames: Continuous welded construction. Grind welds smooth and <br /> flush with adjacent surfaces. Fucnish attachment devices and fasteners of type required to secure access <br /> panels to types of supports indicated. <br /> 1. Exposed Flange: Nominal 1 to 1-1/2 inches(25.4 to 38.1 mm)wide around perimeter of <br /> frame. <br /> PART3-EXECUTION <br /> 31 PREPARATION <br /> A. Advise Installers of other work about specific requirements relating to access door installation, <br /> including sizes of openings to receive access door and frame,as well as locations of supports,inserts,and <br /> Page 2 of 3 <br />