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THIS DESIGN,IN ITS ENTIRETY,INCLUDING GROUND REINFORCEMENT PLANS, R I V I R CLASS III GROUND SUPPORT <br /> DETAILS AND ENGINEERING CALCULATIONS FOR GROUND SUPPORT �/�� <br /> CLASSIFICATIONS PROVIDED BY LANGSTON&ASSOCIATES TO CLIMAX AND FAIR GROUND UP TO 12 LJN V I D E <br /> HENDERSON DURING PHASE I TUNNELING OPERATIONS.REFINEMENTS TO <br /> THE GROUND SUPPORT PLANS AND DETAILS ARE REQUIREMENTS OF <br /> CLIMAX MOLYBDENUM CORPORATION. <br /> ROCK BOLT <br /> MIN 3�� <br /> \ CONTRACTOR TO MINIMIZE 0 0° <br /> SYNTHETIC FIBER OVER-EXCAVATION OUTSIDE OF <br /> REINFORCED <.• NEAT LINE <br /> SHOTCRETE <br /> 4 FT w <br /> TUNNEL :, Q <br /> SPRING-LINE <br /> u= u- 4 FT <br /> PREaF <br /> LL <br /> 1.OFT O <br /> 14.0 FT ,u=!!4 <br /> r O <br /> ts a a <br /> LU <br /> TUNNEL <br /> 'k EXCAVATION `. a=;n= 8.OFT 0 <br /> 2 NEAT-LINE it°'n <br /> n.\\'�o; <br /> r' ;1l:I\fi:I�\% ❑° ❑° 0 <br /> TYPICAL TUNNEL / ;I_ � 4.OFT <br /> AS-BUILT LINE f^> TUNNEL SILL ;' <br /> p LINE fF'` '� 12.0 FT <br /> PLAN VIEW OF BACK <br /> TUNNEL CROSS-SECTION VIEW <br /> DIRECTION OF ADVANCE- ROCK REINFORCEMENT IN BACK <br /> ❑ <br /> 11__ �� -7 FT,46mm GALVANIZED SPLIT SET BOLTS ON A SYSTEMATIC 4 FT GRID 4.0 FT--I 2�FT ❑ <br /> SURFACE SUPPORT <br /> VNN1.0 FT -MINIMUM 3 IN SHOTCRETE APPLIED PRIOR TO ROCK REINFORCEMENT ON ENTIRE EXCAVATION PERIMETER <br /> EL ram-,- � <br /> a <br /> SPRING-LINE 3.0FT RIB SUPPORT <br /> F2 1 aj 0 8.0 FT -THREE ROWS 7 FT ROCK REINFORCEMENT <br /> T UPPER ROWS: BOLTS INSTALLED 2 FT ABOVE 8 FT SPRING LINE <br /> 4.0 FT TUNNEL SILL MID ROWS: BOLTS INSTALLED 1 FT BELOW 8 FT SPRING LINE <br /> LOWER ROWS: BOLTS INSTALLED 4 FT OFF SILL. <br /> SCALE <br /> 7 FT,46mm GALVANIZED SPLIT SET BOLT WITH PLATE 2.5' 0 2.5' s' <br /> LONG SECTION VIEW OF RIBS NOTE: 7 FT COATED 24T INFLATABLE BOLTS MAY BE SUBSTITUTED IN PATTERN <br /> DESIGNED vARlous REVISION <br /> WARNING CLIMAX MINE <br /> 0 DRnwN RLM <br /> © Climax MolybdenumAii D® DNECrcED AJH MAYFLOWER FLOOD BYPASS TUNNEL SYSTEM PROJECT NO. 1223EJ <br /> R <br /> ISSUED FOR CONSTRUCTION RLM 6/19 EVIEWED DL <br /> ISSUED FOR BI D 11. <br /> J 1 BID RLM 1W18 A IF THIS BAR DOES <br /> FiMpat-Mc*to Camm NOT MEASURE I" CLIENT MM/RV TYPICAL GROUND SUPPORT DETAILS MFT-C-11 <br /> S pQ ISSUED FOR CLIENT REVIEW RLM 9118 PROJECT&CONSTRUCTION MANAGEMENT THEN DRAWING IS <br /> a REV DESCRIPTION OF REVISION BY DATE ENGINEERING,GEOLOGY,SURVEYING NOT TO SCALE DATE 4t5/19 RMR CLASS III GROUND SHEET 1 OF 1 <br />