II — Description Of The Colliery
General
4. Brookhouse Colliery, which is situated about seven miles south-east of Sheffield, has two circular shafts each 18 feet in diameter about three quarters of a mile apart. The Beighton shaft, the upcast, is 1,282 feet deep to the lowest entrance, which is for the Silkstone Seam, and it is used for carrying both materials and a relatively small number of persons between shifts. The Brookhouse shaft where the overwind occurred is the downcast and it is 1,285 feet deep to the lowest entrance, which is used for the Silkstone Seam. About 16,000 tons of coal per week and the majority of the 1,500 persons employed underground at the colliery are conveyed through this shaft.
5. The colliery is in the National Coal Board's North Eastern Division No. 1 (Worksop) Area. The principal officials at the time of the overwind were :—
| Area General Manager | Mr. E. W. Lane |
| Area Production Manager (Acting) | Mr. T. A. Carter |
| Group Manager | Mr. H. Coates |
| Mine Manager | Mr. R. Fairhurst |
| Area Chief Engineer | Mr. J. P. Todd |
| Area Mechanical Engineer | Mr. C. Hotchkiss |
| Area Electrical Engineer | Mr. R. W. Barnes |
| Group Mechanical Engineer | Mr. G. Hoole |
| Group Electrical Engineer | Mr. W. H. Littlewood |
| Mine Mechanical Engineer | Mr. J. G. Brothwell |
| Mine Electrical Engineer | Mr. W. T. Corker |