Mining
Pesina Steel designs and supplies prefabricated mining camps (dormitories, mess halls, ablution blocks, clinics and offices for mine sites), shipped from Istanbul as bolted kits and assembled on a slab prepared locally.
A mining camp starts small as an exploration camp, grows during construction and settles into a permanent camp once the mine operates. The buildings are modular for that reason. A new dormitory wing or a second mess hall can be ordered later and joined to the same grid.
Panel buildings give more square metres for the money and suit a camp that will stand for the life of the mine. Containers suit exploration camps that move between licences. Bare flat-packed 20 ft units stack ten to a 40 ft high-cube container. Roofing, sanitary ware and furniture take part of that space, so the final container count is worked out for each order.
Kitchens, generator rooms and, on many mines, the whole camp must be built from non-combustible materials. Our rock wool sandwich panels are classified A2-s1,d0 under EN 13501-1, the class that specifications usually accept when they ask for non-combustible walls.
We designed this camp in 2020 for a mining enquiry in Tanzania and keep it as a type design. It was not built, but the layout is a realistic starting point for a small exploration or early construction camp, and it grows by adding dormitory wings. The foundations were to be poured locally by the client.
| Building | Size | Content |
|---|---|---|
| Dormitory | 367 m², three wings of 18.9 × 6.5 m | 15 rooms of 3.77 × 5.22 m, 4 beds per room in bunks, two double lockers per room, 1.25 m covered walkway along each wing |
| Toilet block | 25 m², 6.4 × 4.0 m | 5 WCs, 3 urinals, 4 washbasins |
| Shower block | 25 m², 6.4 × 4.0 m | 5 showers, 4 washbasins |
| Mess hall | 181 m², 20.2 × 9.0 m | 70-seat hall, 30-seat staff room, kitchen, 2 stores |
| Total | about 600 m² | 60 beds, 100 dining seats |
Walls: 10 cm sandwich panel outside, 6 cm inside, EPS core (rock wool on request). Wall height 2.50 m. Trapezoidal galvanised steel roof at 11°. PVC windows with fly screens. The mess hall seats more people than the dormitory sleeps, so day workers living off site can eat in the camp.
Mines financed by international lenders usually have to follow the IFC/EBRD guidance on workers' accommodation. This is how the type design measures against its benchmarks.
| Benchmark | IFC/EBRD guidance | Type design |
|---|---|---|
| Floor space per person | 4 to 5.5 m² | about 4.9 m² (19.6 m² room, 4 beds) |
| People per room | 2 to 8 | 4 |
| Ceiling height | at least 2.10 m | about 2.50 m (wall panel height) |
| Toilets | 1 per 15 to 1 per 6 people | 1 per 12 (5 for 60) |
| Urinals | 1 per 15 people | 1 per 20 (3 for 60); a fourth urinal brings it to 1 per 15 |
| Showers | 1 per 15 to 1 per 6 people | 1 per 12 (5 for 60) |
| Bunk beds | discouraged; keep to a minimum | used to keep the footprint small; with single beds the same 60 people need twice the dormitory area |
| Mosquito screens | where conditions require | on every window |
Source: IFC and EBRD, Workers' accommodation: processes and standards, 2009.
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