MINEBK01143

• County: Boulder
• Volume: 16
• Document: Inspectr
• Suffix: A

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' ~ MIBIBG 8o HIHE METHODB-Coatis.
~ this •rder is posted near the,oollar of the .shaft.., The maxi- .
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mum amaber of men pe;aitted,to ride.in_the buoket at one. time
is twe and this order ie;postAd at .the oollar.~oi the,ehatt sad
at the level etatisn~ .. ,
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~ The level stations are not provided with passage-way
around tlls working shaft nor with guard rails. Thr shaft le
aeoursd with pillars of ground on eaoh.side suifioieat to ee-
onre aefety. Ths ehaft.ie not being sunk.
' The method.oi ere eatraotioa.le overhand etoping sad.,
drifting. Oaly..Waugh maohiae drills are, employed snd,no.hand,.,_
drilling is done. ~ .. ~ _
Stn~ls oovered with lagging are .used for timbering. ,The
timbers are prepared by hand from pins, are,in.goed oondition„
and enffioieat in size and number to insure safety.
Chntee ar• leaded by hand and. gravity. -
~f IIaderground tramming is done by hand..8tee1 oars.-are,
empleyed_and the traokags is 18" guage.and 12~ T rails.
The.amount of water in ,the mine.ie small and onuses very)
little iaooavenisnoe. It is easily handled by means of a barrs7
A E4-1noh.Amerioea inn sad 8-1aoh galvanized pips are..
emp],eyed far improving the •eatilatioa. Ho noaiqus gases are
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met with e.ad the ventilation is good.
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The sanitary oonditione are.good and all old timbers e,nd~
debris have been rsmeved from underground. ,
' The shalt is divided into two oompartm~ata eseh.4! a, 4'
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in the olear to,be,naed isr.a bnoket-way,and a ladder-wsy,re-
I; apeotively.-The ladder-way is equipped with.eafe, eeonre and. ~I
eooeroibls ladders. oontaine air pipes and has landings b0'
~~ apnrt. .. .
j' Candles are• need,fer.lighting,underground.
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i arses tennap net given. _`-- - --
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