Purchase of current repair works. Demolition of roofing: corrugated and semi-corrugated asbestos-cement from sheets Dismantling of wooden elements of roof structures: from perforated rafters Dismantling of wooden elements of roof constructions of grids: wooden support and inclined pole Demolition of roofs Novalchas: from the ground and or removal of small coverings and fittings from steel sheets from the footings: scrapers from the floor and wooden dams (unusable water pipes removal D=76 mm) of floor coverings dismantling: from wood