Lubelski Węgiel
Lubelski Węgiel Bogdanka S.A.
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MOST IMPORTANT HISTORICAL EVENTS – YEARS 1881 ÷ 1976

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       1881 ÷ 1976 | 1976 ÷ 1988 | 1988 ÷ 1995 | 1995 ÷ 2001 | 2002 ÷ 2004 | 2004 ÷ 2008

X 1976
Outflow of ALB formations (liquefying and dispersing sandstone) (0,2 m3/min) from the exploratory bore – hole drilled from the bottom of cement plug in the pit shaft No 1.1 on the depth between 574,4 and 585,4 m.
III 1977
The location of the pit shaft No 1.3 (as a peripheral shaft) has been changed to the location in vicinity of the pit shafts No 1.1 and 1.2 pursuant to the Decision adopted by the Ministry of Mining and Power Industry.
XI 1977
The commencement of shaft sinking No 1.3.
I 1978
The pit shaft No 1.1 achieved the depth of 709,5 m, i.e. Carboniferous deposits
XI 1978
The commencement of shaft sinking No 1.4.
II 1979
Resolution No 34/79 concerning the complex development of the Central Coal Area in LZW has been adopted by the Council of Ministers. The construction of six or seven coal mines and the erection of central coal cleaning plant have been assumed.
IX 1979
The pit shaft No 1.1 has been connected with the shaft No 1.2 in the mine on the depth of 960 m by means of the headings.
X 1979
Outflow of liquefying and dispersing sandstone in amount of 5,0 m3/min occurred on the depth of 636 m in the shaft No 1.1 after its sinking to 960 m and caused the flooding of the pit shafts No 1.1 and 1.2 in Bogdanka..
X 1979
The commencement of drilling of deep freezing holes for the pit shafts 2.1 and 2.2 in Stefanów .
IV 1980
Outflow of liquefying and dispersing sandstone occurred again in the pit shaft No 1.1 from test hole on the concrete plug on the depth of 602m.
IX 1980
Dewatering of the pit shaft No 1.1 after incorporation of the plug on the depth of 616÷594 m.
X 1980
Outflow of water with sand in amount of 1,0 m3/min under the pressure of 50atm occurred in the pit shaft No 1.1 on the level of  589m  at the drilling of a cementation opening from the plug to the depth of 606,5 m.
Therefore it has been decided to incorporate a concrete plug on the section 589÷584m and the protections separating the pit shaft No 1.1 from the headings of the pit shaft No 1.2 on the level of 754 m and 960 m.
III 1981
The operation of cage hoist elevator and the continuation of personnel transport in the pit shaft No 1.2 has been permitted by the Mining Authority.
XII 1981
The commencement of shaft sinking No 2.2 in Stefanów.
IV 1982
The commencement of shaft sinking No 2.4, later called “pit shaft No 1.5”.
IV 1982
The air – heading connecting the pit shaft No 1.2 in Bogdanka has been integrated with the pit shaft No 1.4 in Nadrybie.
XI 1982
The commissioning of the first exploratory longwall and achievement of the output of 800 t/24h.
VI 1984
Intensified pressures of the rock mass and clamping of the exploratory longwall.
I 1985
Establishing of Lubelsko-Chełmskie Gwarectwo Węglowe under Construction (Decree No 15/Org/84 issued by the Ministry of Mining and Power Industry concerning the liquidation of KLZW and establishing of Lubelsko-Chełmskie Gwarectwo Węglowe)..
I 1985
Increased coal output up to 1000 t/ 24h as a result of the completion of the reconstruction of the shaft bottom of the pit shaft No 1.2 on the level of 960 m.
XI 1985
The commissioning of the pit shaft No 1.4 in Nadrybie.
 VI 1986The commissioning of the longwall II (2/I).
 IX 1987The commissioning of the longwall 2N in Nadrybie.
 II 1988The Resolution No 34/88 concerning the suspension of the construction of K-2 mine in Stefanów adopted by the Council of Ministers.
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      1881 ÷ 1976 | 1976 ÷ 1988 | 1988 ÷ 1995 | 1995 ÷ 2001 | 2002 ÷ 2004 | 2004 ÷ 2008
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