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ROOF SUPPORT MATERIALS - All components of the roof bolt assembly <br /> shall comply with the American National Standards <br />• fications for Roof Bolting Materials in Coal Mines <br />Institute "Speci- <br />," (ASTM F432-78) <br />ROOF AND RIB MATERIALS - ROOF BOLTS, STEEL ARCHES, AND TRUSS BOLTS <br />h1ANUFACTURER Kaiser Steel, CF1, MANUFACTURER'S <br />Dupont, Vidinia Birmingham, DESIGNATION Resin and Steel <br />DOSCO, Stratabolt, Com'1 Shear- Arches and Truss Bolts <br />ino, Texas Birmingham Bolt Cc., h~INIhiUhl LENGTh' 48 inches <br />Pattin West, H & H (Delta, CO.j DIAMETER 3/4 inch <br />TYPE OF STEEL Open Hearth or TYPE OF THREAD N/A <br />Electric Furnace Bethel TYPE OF HEAD All (Standard) <br />LENGTH OF THREAD N/A <br />DIMENSIONS OF BOLT HEAD: N!IT 1 I/8 inch, FLANGE N/A, <br />P.lso resin bolts =7-7/8" (minimum), resin cartridge diameter 1 I/Q" <br />(minimum), drill hole size 1 3/8" (maximum). <br />BEARING PLATES <br />• MANUFACTURER Kaiser Steel, CFI, <br />Virginia Birmingham, Texas <br />Birmingham Bolt Co., Dupont, <br />U. S. Steel, Mikco Inc., Clear- <br />field Manufacturing, Gates City <br />Steel, H & H (Delta, C0.), <br />Innovative Industries Inc. <br />DIMENSIONS 6"X 6"X Plates, 4"X4" <br />mat, 6"X16" <br />SHAPc Donut embossed, Bell <br />embossed, Flat <br />ANCHORAGE UNIT <br />MANUFACTURER Celtite, Carboloy, <br />Dupont, Atlas <br />TYPE Full Resin, Point Resin _ <br />METHOD OF DRILLING Rotary <br />• INSTALLED TORQUE None (See in- <br />stal]ation procedures) <br />MANUFACTURER'S DESIGNATION Pl/A <br />used only with wood black or steel <br />CENTEP HOLE SIZE I" nominal for <br />resin bolts <br />MANUFP.CTUP.ER'S DESIGNATION Resin <br />Cartridges '^ <br />SIZE OF F1~;ISHED HOLE 1" <br />DUST CONTP.OL Water, Vacuum and <br />Ventilation <br />Page Four <br />Rev. 05/26/82 <br />Rev. 08/17/82 <br />o~.,• n~ inn iR~ <br />