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ROOF AND RIB CONTROL <br />r1 <br />LJ <br />INDEX <br />INDEX ......................................................... 1 <br />MINE 1NFORh1ATI0N ANU PLAN APPR06'.AL ............................ "[ <br />GENEKAL It~FORMATIOP ............................................ 3 <br />ROOF SUPPORT h1ATERIALS -- ROOF 60LTS .......................... 4, 4A, 4E <br />ROOF SUPPORT hiATER1ALS -- SUPPLEMENTAL ........................ 6 <br />SAFETY PRECAUTIONS FOR FULL ROOF BOL7IWG ...................... 6, 6A, 7, 7A <br />SAFETY PRECAUTIONS AND INSTALLATION PROCEDUP,ES FOR RESIN <br />ROOF BOLTS ............................................... 8 <br />SAFETY PPECAUTIONS FOR ATS SYSTEMS ............................ 9 <br />ADDITIONAL PRECAUTIONS FOP, SINGLE BOOhi ATS/CANOPY SYSTEh'S <br />UN ELECTRIC 60LTEP,S ...................................... 9A, 9E <br />SAFETY PRECAUTIONS FOR INSTALLING TEh7PORARY SUPPOP.T........... 10, lOA, I1 <br />SAFETY PRECAUTIONS FOR SPALLING COAL FRUM THE RIBS............ 12 <br />SAFETY PRECAUTIONS FOR PILLAR EXTRACTION ...................... 13 <br />MINING BOTTUh; COAL WITHOUT ADDITIONAL SUrPGRT ................. 13~. <br />• BOTTOM COAL h1INING ............................................ 13E <br />PILLAR EXTRACTION PLAN .............. .......................... i~ <br />ADDITIONAL PILLAR EXTRACTION PLANS ............................ 1~.~- 14J <br />BOLTING PATTEkN AND CUT SEQUENCE .............................. i5 <br />BOLTING WITH ATS SYSTEM ....................................... 16 <br />BOLTING WITH ATS/CANOPY SYSTEM ................................ 16A <br />ROOF BOLTING PNTTERN -- 4-WAY INTERSECTION .................... 1? <br />ROOF BOLTIIr'G PATTERP, -- 3-WA}' INTERSECTICP ..................... lc <br /> <br />gage Cne <br />