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RMR CLASS I & II GROUND SUPPORT <br /> THIS DESIGN,IN ITS ENTIRETY,INCLUDING GROUND REINFORCEMENT PLANS, <br /> GOOD GROUND 12 FT - 20 FT WIDE 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 /> l DIRECTION <br /> a.f <br /> MIN 3" -6.0 FT <br /> Z <br /> SYNTHETIC FIBER TUNNEL w <br /> REINFORCED SPRING-LINE ❑° 0 ❑° ~ <br /> SHOTCRETE 4.0 FT.,�_. I- <br /> 4.0 FT W <br /> irou—i' %il I n z <br /> 1 <br /> 14.0 FT <br /> �•`,,••` TUNNEL !oo//,.a O <br /> EXCAVATION °6� C) —~ <br /> NEAT-LINE 8.OFT <br /> 20.OFT CONTRACTOR TO MINIMIZE <br /> OVER-EXCAVATION OUTSIDE OF <br /> NEAT LINE ❑° ❑° ❑° �° �° <br /> TYPICAL TUNNEL r TUNNEL SILL <br /> AS-BUILT LINE LINE <br /> —;�� �� •- PLAN VIEW OF BACK <br /> TUNNEL CROSS-SECTION VIEW ROCK REINFORCEMENT IN BACK <br /> 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 <br /> o <br /> 4.OFT ID 0 SURFACE SUPPORT <br /> - - - —� — <br /> -MINIMUM 3 IN SHOTCRETE APPLIED TO ENTIRE EXCAVATION PRIOR TO ROCK REINFORCEMENT <br /> 1.0 FT <br /> RIB SUPPORT <br /> TUNNEL 3.OFT -THREE ROWS 7 FT ROCK REINFORCEMENT <br /> SPRING-LINE UPPER ROWS: BOLTS INSTALLED 2 FT ABOVE 8 FT SPRING LINE <br /> 8.OFT 0° MID ROWS: BOLTS INSTALLED 1 FT BELOW 8 FT SPRING LINE <br /> LOWER ROWS: BOLTS INSTALLED 4 FT OFF SILL. <br /> 4.OFT <br /> TUNNEL SILL <br /> 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' 0 2.5' 5' <br /> LONG SECTION VIEW OF RIBS ® 12 FT COATED 24T INFLATABLE BOLT WITH PLATE <br /> U WARNING DESIGNED VARIOUS CLIMAX MINE REVISION <br /> DRnwry RLM <br /> D® RNECKED AJH MAYFLOWER FLOOD BYPASS TUNNEL SYSTEM PROJECT NO. 12235 <br /> Q ISSUED FOR CONSTRUCTION RLM Mt9_ Climax Molybdenum <br /> 1 ISSUED FOR BID RLM 10118 RFvleweD OL DRnwlvc <br /> w IF THIS BAR DOES <br /> o A Fmwwf—I 1WW CdIm NOT MEASURE 1" cuEl+i MM/RV TYPICAL GROUND SUPPORT DETAILS MFT-C-15 <br /> o Q ISSUED FOR CLIENT REVIEW RLM 9118 PROJECT&CONSTRUCTION MANAGEMENT THEN DRAWING IS <br /> REV DESCRIPTION OF REVISION BY DATE ENGINEERING,GEOLOGY,SURVEYING NOT TO SCALE Dare q/5/19 RMR CLASS 1-II GROUND 12-20 FT WIDE SHEET 1 OF 1 <br />