Cleaning of debris mixed with coal at r-vii bonbahal seam of porascole west colliery

Roof bolting at dewatering routes for preparation of panel 16a in borachak ( r-viii) seam workings, patmohona colliery

Re-support of incline no.01 and 2 intake return ug galleries 10b seam by hiring of dgms approved portable roof bolting machine and cleaning of the approaching area at b seam of west jkd colliery.

Laying, cutting of roof bolt and hole making of bearing plate of porascole east colliery

Custom bid for services - contractual roof bolting and full column grouting of roof bolts with cement resin capsules for depillaring panel sw5a and sw5b in seam iv at naheriya underground mine of pench area

Construction of underground drain along rviiit2, r viiib1 and r vii seam with main incline and construction of three nos. of guard wall at shyamsundarpur colliery.

Safety devices on haulage road,shot hole pattern in a sinking shaft,plumbing or shaft centring arrangements for a sinking shaft,shot hole patterns,types of roof support by timber,chock with four corner props,chock release device,tapered props,side and roof support in a roadway,roof bolting,magnetic unlocker for flame safety lamp hand held type permanent magnet,tool kit for servicing and maintenance of flame safety lamp,flame proof lamp fitting for dark room of gas testing,drill rod and drill bit,air leg,lubricator,exploder dgms approved twenty five shot capacity resistance one hunderd fifty nine ohms, one and half a firing current, non volt battery, dc output five hunderd volt,scraper cum brake detector,stemming rod,metric chain size twenty meter,metric chain size thirty meter,engineering chain,revenue chain,gunter chain,steel tape fifteen meter,steel tape thirty meter,metallic tape,

Roof bolting and rope-stitching in r-vii seam for support of disturbed roof/side enered during development of porascole west colliery

Roof stitching in r-vii seam for support of disturbed roof/side encountered during development of porascole west colliery

Development job of r-vii (bonbahal) seam of porascole west colliery