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-a- <br />srATls^~c~. <br />~i Totai nc feet in tunnels, 150. cost per i't. x$20 <br />1 " " " " CT06^u-ClltH .°JO " " " yi10 <br />I ' <br />" " " de^elopment 3bu <br />,• <br />At the prasent time only three men ere employed. <br /> <br />~l, ~ <br />': _ . <br />,~ <br />~ <br />!' ;~:' <br />~ <br />f ; ;'. '_. Pro••ide and use e ponder thar.•er. <br />(?i~~ 2. Fguip the tunnel with e sufficient door aY.`_ch cen be <br />~•~i'', , operateu frcm rithout and place at a reasc,rable distance <br />,~ :. . <br />i~,',+~ from entrance to prevent admission of ~oxicns fumes and <br />~,'~I'%- <br />_~ ~i:~ gases should fire occur in buildings. <br />Vii: <br />f1, <br />:~ 3. ?ro•zde a second eZit for men xi•~# from the tunnel <br />' <br />.' <br />~~' <br />~ <br />' ;vithin the Piro door. Equip it with ladders, and ha6~it <br />i .,>>~ <br /> <br />.f readily accessible to amployes. <br />I <br />yhl ~: ~ 4. Timbe2• the tunnel pith solid square nets from `he <br />~ ~ <br />~ <br />::l, print v:hera o•~ch timberi na rcv~ ends to the bre~s*. c+ tun- <br />_ <br />~ ~; ; ;, <br />' <br />~, ,• <br />: nel, alec scur.re cet tho drift notivoponed from the tunnel <br />~ <br />+ <br />; ' and coatirne such timb2rinr as 1cnF as the malls and roof <br />. ~ ,. <br />I~5 <br />~' f~~ s1acY. es they nor, dc~ or are unee."e. <br />rII~~ <br />~ ^ i I. <br />~:~~~ <br />k <br />I • y ' <br />~~~I <br />~' ~~ y i <br />:~ ~~.~, <br />~'~ .a <br />f /,~ i <br />~~~ <br />