Likvidace výdušné jámy a větrní šachtice na Dole Dukla v OKD, a.s.

Abstract

The thesis deals with a technical liquidation of upcast air shaft No. 3 and the air shaft at the Dukla Mine in OKD, a. s. Co., and emphasis is laid on dangers which could result from incorrectly performed procedures. The first section includes basic data on the technical disposal and general technical solution of the liquidation of upcast air shaft No. 3 and the air shaft. Then the preparatory works carried out before the beginning of the backfill of shaft No. 3 and the air shaft are presented and evaluated and safety measures necessary for the disposal of the vertical mine working of shaft No. 3 and the air shaft. The following section includes an economic assessment of liquidation of upcast air shaft No. 3 and the air shaft using consolidated and not consolidated backfilling materials. Then the economic requirements for the reduction at the Dukla Mine are analyzed in comparison with design documents. Safety risks associated with application of not consolidated backfilling material during the disposal of the main mining workings are specified at the conclusion of the thesis.