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RMR CLASS III GROUND SUPPORT <br /> THIS DESIGN,IN ITS ENTIRETY,INCLUDING GROUND REINFORCEMENT PLANS, <br /> FAIR GROUND 12 L3 20[WI D E DETAILS AND ENGINEERING CALCULATIONS FOR GROUND SUPPORT <br /> CLASSIFICATIONS PROVIDED BY LANGSTON&ASSOCIATES TO CLIMAX AND <br /> HENDERSON DURING PHASE I TUNNELING OPERATIONS.REFINEMENTS TO <br /> THE GROUND SUPPORT PLANS AND DETAILS ARE REQUIREMENTS OF <br /> CLIMAX MOLYBDENUM CORPORATION. <br /> 12 FT INFLATABLE <br /> ROCK BOLT <br /> 7 FT SPLIT SET <br /> ROCK BOLT <br /> DIRECTION OF ADVANCE <br /> r <br /> MIN 3" 4.0 FT ®- 6.0 ® z <br /> SYNTHETIC FIBER <br /> REINFORCED <br /> TUNNEL ;, W <br /> 0 4.0FT o 0 0 <br /> � ❑ ❑ ❑ ❑ F- - <br /> SHOTCRETE SPRING-LINE.i/ Q <br /> d <br /> A Aj A A Ly <br /> 0 FT <br /> Z <br /> TUNNEL O <br /> EXCAVATION �''� U <br /> NEAT-LINE 8.OFT <br /> 20.OFT CONTRACTOR TO MINIMIZE <br /> } OVER-EXCAVATION OUTSIDE OF 0 S 0 <br /> TYPICAL TUNNEL r TUNNEL SILL NEAT LINE <br /> AS-BUILT LINE LINE <br /> / ;\•;� \_ PLAN VIEW OF BACK <br /> .1=_iFj�I= i- <br /> i=' <br /> ROCK REINFORCEMENT IN BACK <br /> TUNNEL CROSS-SECTION VIEW -12 FT COATED 24T INFLATABLE BOLTS ACROSS ENTIRE SPAN IN BACK ON A 6 FT X 4 FT STAGGERED GRID AS SHOWN <br /> -7 FT,46mm GALVANIZED SPLIT SET BOLTS ON A SYSTEMATIC 4 FT GRID <br /> NOTE: SPANS WIDER THAN 20 FT MAY REQUIRE CABLE BOLTS <br /> DIRECTION OF ADVANCE-- SURFACE SUPPORT <br /> o 1�_ o 0 <br /> 2.OFT 4.OFT � -MINIMUM 3 IN SHOTCRETE APPLIED TO ENTIRE EXCAVATION PRIOR TO ROCK REINFORCEMENT <br /> — —-1 it- <br /> RIB SUPPORT <br /> LOFT <br /> ❑° ❑° T aj ❑° ❑o -THREE ROWS 7 FT ROCK REINFORCEMENT, 1 ROW 12 FT ROCK REINFORCEMENT AS SHOWN ABOVE <br /> TUNNEL 3.OFT UPPER ROWS: BOLTS INSTALLED 2 FT ABOVE 8 FT SPRING LINE <br /> SPRING-LINE <br /> ID 8.OFT � <br /> MID ROWS: BOLTS INSTALLED 1 FT BELOW 8 FT SPRING LINE <br /> a � � <br /> 8 FT COATED INFLATABLE BOLTS INSTALLED AT SPRING LINE <br /> 4.OFT LOWER ROWS: BOLTS INSTALLED 4 FT OFF SILL <br /> TUNNEL SILL <br /> 0 7 FT,46mm GALVANIZED SPLIT SET BOLT WITH PLATE <br /> NOTE: 7 FT COATED 24T INFLATABLE BOLTS MAY BE SUBSTITUTED IN PATTERN <br /> SCALE <br /> 2.5' D 2.5' S' <br /> LONG SECTION VIEW OF RIBS ® 12 FT COATED 24T INFLATABLE BOLT WITH PLATE <br /> ,r <br /> DESIGNFD VARIOUS REvISION <br /> = WARNING CLIMAX MINE <br /> FREV <br /> RLM <br /> 0 D.5 ,' Climax Molybdenum r11 AV ® D"ED D AJHMAYFLOWER FLOOD BYPASS TUNNEL SYSTEM PROJCCTNO12zse <br /> ISSUED FOR CONSTRUCTION RLM 4/19IF THIS BAR DOES REVIewED DL Daawlvc <br /> ISSUED FORBID RLM 1D1,8 A Fmq-t41I:*ft� NOT MEASURE I" D,EN, TYPICAL GROUND SUPPORT DETAILS MFT-C-16 <br /> ISSUED FOR CLIENT REVIEW RLM W18 PROJECT 8 CONSTRUCTION MANAGEMENT THEN DRAWING ISMM/RV DESCRIPTION OF REVISION BY DATE ENGINEERING,GEOLOGY,SURVEYING NOT TO SCALE DATE 4/5/19 RMR CLASS III GROUND 12-20 FT WIDE SHEET 1 OF <br />