6
Reinforcing elements of steel for reinforced concrete, steel tendons for pre-stressed concrete in the form of rods, wires or flex, tension elements of steel for ground and rock anchors, anchoring elements therefor, namely anchoring bolts, screws, sleeves, shims, cladding tube of metal
7
Mechanical and hydraulic presses, machines for straightening and bending steel rods, machines for cutting or rolling reinforcing elements, apparatus for treating and pressing binding substances, namely artificial resin and artificial resin mortar and cement mortar; machines and apparatus for underground pipe laying operations involving ground displacement or removal, horizontal drilling equipment and horizontal shield driving equipment with controls for walk-in and non-walk-in pipelines; moveable scaffolding for bridge construction in cantilever construction and incremental launching
9
Optical, electric and electronic apparatus for measuring and registering distances, angles, heights and positions, apparatus for measuring and/or monitoring the registered tension force on optical, electric or electronic paths
17
Cladding tube of plastic
19
Prefabricated building parts for buildings and/or building elements of concrete, reinforced concrete and pre-stressed concrete, in particular bridges and superstructure supports, wall, facade and roof elements, supports and piers, shells, floating elements, in particular pontoons, prefabricated houses and garages; prefabricated concrete goods for constructing cable channels and heating flues, in particular shaped blocks for cable channels and heating flues, cable shafts; prefabricated concrete goods for municipal civil engineering, in particular clarifying installations, separators for light density liquids and fats, sand and silt chambers, settling sumps, pipes of reinforced and pre-stressed concrete; railway sleepers, masts and posts of reinforced and pre-stressed concrete; reinforcing elements of fibre composites for concrete, tension elements of fibre composites for ground and rock anchors, anchoring elements therefor, namely anchoring bolts, screws, sleeves, shims of plastic
37
Structural and civil engineering, in particular demolition, excavation, bridge construction, constructing permanent ways for railways, earthworks, erecting scaffolding and sliding mouldings and climbing forms, and erecting buildings of reinforced concrete using sliding mouldings and climbing forms, manufacturing subterraneous curtains and posts, fixing ground anchors and rock anchors, installation and assembly of industrial installations, installation and assembly of tension rods, in particular of suspension bridges and cable-stayed bridges, plastering and tile laying, shipbuilding, chimney construction, blasting, road and path building, and building ways for rail-borne vehicles, tunnel and mining gallery construction, underground pipeline construction, water constructions; reinforcing buildings with reinforced concrete and pre-stressed concrete; surveying, in particular by controlling machines and apparatus when forcing open underground chambers; repair and maintenance of buildings, operating and maintaining installations for purifying drinking water, service water and waste water; technical services for buildings, namely checking (supervision) and support services, minor repair and maintenance work for on-site apparatus, maintenance and inspection; rental of machines, tools and apparatus for building construction
42
Architectural and construction drafting and consultancy, technical consultancy and engineering, architecture, landscape gardening, computer programming