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PENN VENTILATER CO. INC. <br />HIGH VOLUME INDi <br />BELT —DRIVE EXHA <br />NO. 7C958 WITH ' <br />OR SIMILAR AS AI <br />ENGINEER (SEE N( <br />8' x 8' SQUARE <br />CONCRETE SLAB V <br />4 REBAR PLACED C <br />FAN HOUSING Pro <br />MANUFACTUREF <br />SPECIFICATIONS <br />48" CMP <br />TUBE CROSS - SECTION <br />(NOT TO SCALE) <br />N0. I DESCRIPTION BY #99, <br />0 ISSUED DRAFT FOR CLIENT REVIEW J.F.L1 ISSUED DRAFT FOR FINAL DESIGN J.F.L <br />7 <br />ESC ^PE DOOR <br />_rE LADDER <br />NO. <br />ESCAPE TUBE DETAIL A <br />(NOT TO SCALE) <br />n <br />3' MIN. <br />8' MIN. <br />12 -oz. <br />GEOFABRIC <br />/ i ME i 0 ew <br />���■i • . smell �pw M <br />ROCKFILL DRAIN DETAIL <br />BY I DATE <br />(NOT TO SCALE) <br />)BE FAN <br />1E EXTENSION <br />RECLAIM <br />TUNNEL <br />VARIES ON <br />2% GRADE <br />TRANSITION TO NA <br />GROUND OR SIDE I <br />6' MIN. TRENCH WIDTH <br />C <br />STRUCTURAL <br />FILL <br />(SEE NOTE 3) <br />i <br />TUBE TRENCH DETAIL <br />(NOT TO SCALE) <br />CUTS <br />SEE NOTE 5 <br />a•8" DIA. CMP. <br />✓ ENTILATION TUBE <br />'.XTENSION <br />6" MIN. COMPACTED <br />BEDDING (SEE NOTE 2) <br />NATURAL GROUND OR <br />COMPACTED BERM FILL <br />ON DOWNHILL SIDE OF <br />DIVERSION CHANNEL <br />0.3' MIN. DRY <br />FREEBOARD <br />1.3' MIN. ' <br />2 2 <br />VARIES AT 0.5% MIN. <br />3' MIN. DIVERSION DITCH DETAIL E <br />(NOT TO SCALE) <br />NOTES <br />2' IN 1. ESCAPE TUBE EXTENSION IS A 48" CIA. 14 GAUGE CORRUGATED METAL PIPE GALVANIZED WITH 3" x 1" CORRUGATION. <br />PREPARED NATURAL <br />USE BOLTED BAND CONNECTION NTH WATEF PROOF SEALS. <br />GROUND SURFACE <br />2. INSTALL 6 -INCH MINIMUM THICK BEDDING LAYER OF COMPACTED SAND IN BOTTOM OF TRENCH. <br />3. AFTER PLACING THE PIPE ON THE BEDDING AYER AND TIGHTENING ALL CONNECTION COUPLINGS, THE TRENCH CAN BE <br />BACKFILLED. STRUCTURAL FILL MATERIAL TO BE A GRANULAR WELL GRADED GRAVEL. HAND COMPACT BACKFILL <br />IMMEDIATELY ADJACENT TO THE CMP TUBE. <br />4. DESIGN OF VENTILATION TUBE PROVIDED BY OWNER FROM AS -BUILT DRAWINGS AND FILES. <br />5. LATERAL SUPPORT OF TRENCH WALLS AS Rf QUIRED FOR SAFETY. <br />6. FAN SIZING DESIGN BY STOVER AND ASSOCIATES, INC. OF GRAND JUNCTION, COLORADO, <br />7. DRAIN ROCK SHALL BE FREE DRAINING MIND 2 -INCH WITH LESS THAN 59: FINES. <br />8. ESCAPE `TUBE CONFIGURATION SAME AS EXISTING. Class Permit <br />Sec /Exhibits 4-6A <br />REPAR ED FOR: <br />Perrnil Number C�7d- mCi <br />" <br />Cass ermif <br />Serra Exhibit -�,� y 3",(, <br />```•v1�U1111111U////, <br />Class 0 Revision - -- - - -- --- - -- <br />TYpWSeq <br />. <br />QO' • }•. •..' <br />., <br />Class: ❑ Repod ❑ Hydro []General - - - - - -- - - - - - -- <br />Doc Type. <br />LL= • <br />S C.]1 L <br />i <br />JrITLE <br />Appbcation (Coal only) ❑Bond ❑ Enforcement 0 Inspection <br />DESIGNED J.F.L. 9/97 <br />i <br />DRAWN R.A.L. 9/97 <br />n ' <br />k� \` \ <br />SCALE AS SHOWN REVISION <br />CHECKED G.E. 9/97 <br />APPROVED <br />••• <br />S/0 �' ' <br />�9 <br />R.O.M. COAL STORAGE <br />DRAWING No. <br />EXPANSION <br />APPROVED <br />97010 -104 <br />DETAILS <br />Al <br />APPROVED <br />ENGINEER <br />111111 IIIII illll 11111 11111 11111 1111 1111 <br />