MINEBK00683

• County: Gilpin
• Volume: 12
• Document: Inspectr
• Suffix: A

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M I B I H G 3r ![I-.BE METHODS - Contin.
-.13 '
~~" ~ lowered and rained with the hoiati,ng maohinery. A load of 1000
j~ lbs. ie hoiated at one time a diatanoe of .200' with a 5/8 iTl.
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~~, at~eel wire-oable that has been in nee five months. The oable
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~`~ i<a in good condition. Safety hook and ehain,•naed five months,
~~ in good oondition is used. Do safety devloea are need to
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'~ prevent over-winding. Material ie hoiated Yrom one level.
~; ~ She State node of ei
goals and pall bells are employed.
1i'j The bell line.ie a 1/4 in: twist wire in
j., j good oondition. The
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• node of signals is posted in the engine room, at the oollar of
~~~•~: the shaft and at eaoh level station. Persona are
~~':} ~' prohibited
+' Prom ridi
ng on loaded bnokota and thin notion is posted near
(~i~ ~ the dollar of the ahatt,.aotioea are posted at the shaft and
!•~t at eaoh level atatioa stating that but three persona are
~ perm-
itted to ride in the bnoket at one time.
~ ., The skids are 2• z 6n pine withl" z 4" timbers on top.
-`~ The shaft is not
provided with guard rails at•the'stationa
;Ij and level-atationa are not provided with passage-ways around
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';~ the working ahaZt.
- I-inaee and mill holes are properly oovered.
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`' She method o2 ore eztraotion ie by atoping and drifting
`~ ; by means ot. single hand drills
+~ i ng. Do maohina drills are nerd.
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''~'~ She method of timbering is atolls ooverea with lagging.
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8pruoe and pine, prepared by hand, are need for tiimbers. She
±~, timbers ore in good oondition and are sntrioient to senors ~»
safety.
t,I Ohntes are loaded by hand and gravity.
~ ~ Underground tramming ie done by hand with wood.trolliss'
~,~ anal steel bneketa. She tzaokage is.18• gunge with 8~ p toile.
;!I The ventilation is natural and enfilolent. Do nozione•c
i, : gorse nr., met with.
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'" All old timbers have beeu removed from imaesgronnd and
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': the;gaaitary conditions are good.
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;~1 Lighting underground !e with dandles.