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APPI <br />HE <br />RING GR <br />SE <br />FINIS <br />THICM <br />ELEVATION VIEW <br />(BLOCK WALL NOT SHOWN FOR CLARITY) <br />IG W6X25 <br />SET ARCH <br />PLAN VIEW <br />NOTE: SEAL LOUTED APPROXIMATELY 47 FEET DOWNSLOPE <br />(INBY) EXISTING PORTAL MOUTH <br />EAST PORTAL <br />1" 0 DYWIDAG RODS <br />SEE NOTE 4 <br />APPf <br />HE <br />RING GR <br />SE <br />ELEVATION VIEW <br />(BLOCK WALL NOT SHOWN FOR CLARITY) <br />PLAN VIEW <br />NOTE: SEAL LOCATED APPROXIMATELY S f FEET DOMINSLOPE <br />)INKY) EXISTING PORTAL MOUTH <br />WEST PORTAL <br />IG W6X25 <br />SET ARCH <br />�K WALLS <br />D BLOCKS <br />ND WEDGED <br />-TER <br />NOTES: <br />1. FILL MATERIAL SHALL CONSIST OF A POLY <br />GROUT (MICON 550 MPG) /AGGREGATE MIXTURE. <br />2. RING GROUT HOLES <br />a. SHALL BE TYPICALLY 6' DEEP MINIMUM. <br />HOLES SHALL BE DEEPER IF GROUND <br />CONDITIONS DICTATE. (IF FRACTURED <br />GROUND IS ENCOUNTERED) <br />b. GROUT SHALL BE A POLY BASED MATERIAL <br />(MICON ROK LOK 70) SUITABLE FOR WATER <br />SEALING. <br />3• EXISTING STEEL LAGGING BETWEEN SETS SHALL BE <br />REMOVED FROM SEAL AREA TO EXPOSE ROCK <br />SURFACES. <br />4. DYWIDAG RODS SHALL BE DRILLED INTO ROCK TO <br />A MINIMUM DEPTH OF 4 FEET. TYPICAL SPACING <br />WILL BE AS SHOWN AROUND PERIMETER. <br />5• CONCRETE BLOCK WALLS SERVE AS FORMS FOR <br />INSTALLATION OF THE FILL MATERIAL AND CONTAINMENT <br />UNTIL MATERIAL HAS CURED TO FULL STRENGTH <br />(WITHIN 24 — 48 HOURS). EXISTING W6 STEEL ARCHES <br />SHALL BE USED IN LIEU OF HITCHING TO PROVIDE <br />STABILITY TO THE FORMS DURING INSTALLATION. <br />6. FINISHED SEAL INSTALLATION SHALL FORM A WATER <br />TIGHT BARRIER CAPABLE OF WITHSTANDING 130 FEET <br />OF WATER HEAD. <br />Permit=.' isc� RECEIVED <br />Class: rbnit / �/7 \/I L OCT Sect* _ ._. V�._. -_.7 _../ .>YJ:�__ -, y '9 <br />Class: 3 Revision A <br />i Type /Seq: <br />Class: O Report 0 Hydro ❑Gene _ _ _ _ _ _ _ _ _ _ _ <br />ral 31msion otmi IHral3 <br />Doc Type: 8t Geology <br />❑Application (Coal only) ❑ Bond ❑ Enforcement ❑ Inspection <br />THIS DRAWING WAS PREPARED UNDER <br />MY SUPERVISION & REPRESENTS <br />INFORMATION THAT IS ACCURATE <br />THE BEST OF MY KNOWLEDGE <br />r <br />42A -1 <br />