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THIS DESIGN,IN ITS ENTIRETY,INCLUDING GROUND REINFORCEMENT PLANS, R IV I R CLASS I & 11 GROUND SUPPORT <br /> DETAILS AND ENGINEERING CALCULATIONS FOR GROUND SUPPORT GOOD GROUND U P TO 12 EWI D E <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 /> ROCK BOLT <br /> u- ir-j u-j u-j u- <br /> u �•pl/ #P. +.�' %li MIN 3 <br /> U r7l CONTRACTOR TO MINIMIZE ❑u <br /> �,; <br /> SYNTHETIC FIBER OVER-EXCAVATION OUTSIDE OF <br /> REINFORCED NEAT LINE <br /> SHOTCRETE 4* '** <br /> /• ;� 4 FT-1w <br /> a TUNNEL UQ <br /> l SPRING-LINE <br /> —RI IF — — 4.OFT Q <br /> 4 FT LL <br /> 14.0 FT u= il= O <br /> O <br /> ui <br /> -II TUNNEL ` <br /> ' �I <br /> G. EXCAVATION /ol0'/0l0 8.0FT <br /> f� NEAT-LINE <br /> i o' 6.OFT <br /> 12.OFT <br /> TYPICAL TUNNEL J ;If=11 �° ❑° ❑° <br /> AS-BUILT LINE 1 TUNNEL SILL :j�li/ la! <br /> i LINE i{`•=`'''' 12.0 FT <br /> n71771---- -- PLAN VIEW OF BACK <br /> TUNNEL CROSS-SECTION VIEW <br /> ROCK REINFORCEMENT IN BACK <br /> C� DIRECTION OF ADVANCE -7 FT,46mm GALVANIZED SPLIT SET BOLTS ON A SYSTEMATIC 4 FT GRID <br /> 2.0 FT I--4.0 FT—�I I ❑ SURFACE SUPPORT <br /> 4.0 FT — -MINIMUM 3 IN SHOTCRETE APPLIED PRIOR TO ROCK REINFORCEMENT <br /> RIB SUPPORT <br /> -TWO ROWS 6 FT ROCK REINFORCEMENT <br /> TUNNEL UPPER ROWS: BOLTS INSTALLED 2 FT ABOVE 8 FT SPRING LINE <br /> SPRING-LINE 8.0 FT <br /> LOWER ROWS: BOLTS INSTALLED 6 FT OFF SILL <br /> 6.0 FT <br /> TUNNEL SILL 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' 0 2.5' 5' <br /> LONG SECTION VIEW OF RIBS <br /> - WARNING DESIGNED VARIOUS REVISION <br /> DRAWN CLIMAX MINE <br /> 0 0.5 1 RLM <br /> Climax Molybdenum =' W ® CHECKED <br /> `JH MAYFLOWER FLOOD BYPASS TUNNEL SYSTEM PROJECT NO. 12235 <br /> ISSUED FOR CONSTRUCTION RLM 4119 REVIEWED DL DR-1- <br /> ISSUED FOR BID RLM 1018 INOTMF THIS MEASURAR E <br /> TYPICAL GROUND SUPPORT DETAILS MFT-C-10 <br /> A FiNpat-IkUaA6n Cmpvry NOT MEASURE 1" CLIENT MM/RV <br /> p ISSUED FOR CLIENT REVIEW RLM 9118 PROJECT B CONSTRUCTION MANAGEMENT THEN DRAWING IS RMR CLASS I & II GROUND SHEET OF <br /> ENGINEERING,GEOLOGY,SURVEYING NOT TO SCALE OArE 415119 <br /> -REV DESCRIPTION OF REVISION I BY I DATE <br />