MINING METHOD

First-aid  station is a place fixed by the manger for rendering first-aid to person injured.Every first-aid station is provided with equipment as prescribed in the Third schedule of mines Rules namely: a stretcher and two blanket,Sets of splints(1.4m,0.9m,0.3m,)and sufficient tringular bandages.First-aid boxes(or cupboards),one per150 person,containin sufficient supply of large and small dressings and burn dressings,sufficient supply of sterilised cotton and adhesive plaster,roller bandages,Dettol or other antiseptic solution,a tourniquet,scissors and safety pins,soap.                                                  First aid station shall be provided at the following places On surface:-                     At pit top/incline mouth.In workshop,screening plant and    ...

  Arrangements for first-aid                               According to mines rules1955,the following arrangements are made for first-aid in mines: First-aid Room on surface      First-aid station at specified place on surface,in opencast mines and in underground working.First-aid out fit with every overman,mining Sirdar,shotfirer,fitter and electrician.Ambulance van                    First-aid training to maximum number of employees, and refresher training to first-aid certificate holders.

  Steel supports:-                                                                In devlopment and de-pillaring districts these districts    these days,mainly 3types of supports are used: pit props,steel chocks/cog stools,roof bolts.      pit props  :                                                                       pit props are hollow steel props at the end of which a shorts length of wood has been hammered.They are light,can be transported easily from one place to another and convenient because their length can be varied easily as required.      Steel choc...

recautions to Prevent spontaneous heating Depilliaring                                            Depillaring with panels of such size that extraction can be completed within incubation period.Blasting the stools/ribs lefts in goaf to ensure regular fall of roof and goaf consolidation.Minimising coal left in the goaf.In BG panels,injecting CO2 or N2 from time to time.Not leaving stowing lag in goaf.  Sealed goaves - Good construction,regular inspection and timely maintenance of isolation stopping.Keeping pressure differential across sealed off areas low to prevent leakage of air.Blanketing the surface over goaves panel.Crack filling and consolidation from time to time.Regular air sampling and analysis to keep a watch on conditions in sealed off area.    Unsealed developed workings              ...

  Two main types of fencings used below ground are U-1 and U-2.                                      U-1  Wire ropes(or rope strand,barbed wires or rollas)nailed to vertical props set flush on sides of the gallery.Gap of bottom most member from floor 0.25m, between other members 0.3m,top not less than one meter from ground. U-2  fence is used at :Goaf edges, areas of roof fall ,place of misfire ,place of accumulation of gas,Site of accident. It consists of two wire ropes(or rope strands,barbed wires or wooden rooles)fixed with cement in sides of pillars across the gallery at a height of about 0.6m and 1.0m respectively. U-2 is used at entries to disused galleries.