hydraulic works

Tools for working in the hand, pneumatic, hydraulic

"Direct-acting hydraulic pressing" (2) means a deformation process which uses a fluid-filled flexible bladder in direct contact with the workpiece.

Work on steel bridges, steel building construction, masts, towers, steel hydraulic structures, blast furnaces, steel works and rolling mills, large containers, large pipelines, boiler plants and power stations.

Work on steel bridges, steel building construction, masts, towers, lifts, steel hydraulic structures, blast furnaces, steelworks and rolling mills, large containers, large pipelines, cranes, boiler plants and power stations.

planned activities and measures in the field of water construction works, in particular regulation as well as run-off and storage level control of water courses, flood control and lice-hazards abatement, as well as the effect of facilities situated in or aside the watercourse on its hydraulic regime;

Construction, repair and demolition of buildings, roads, public highways and waterworks such as canal building, railway (excluding railway track) embankments, piers, tunnels, underground track, elevated roadways, bridges, viaducts, dams, drainage work, cleaning work, aqueducts, irrigation and salvage operations, hydro-electric schemes, hydraulic plant, gas piping, pipelines, construction of support material (e.g. mine frames) and all other types of heavy construction work, marine work such as draglining, dredging, piledriving, draining and construction of ports and of naval installations, wells, airports, sports grounds, golf courses, swimming pools, tennis courts, car parks, communications systems such as telephone and telegraph lines and all other work carried out by private enterprises or by the Government.

machinery and tractors, of machine-tools for working metal and of other tools and equipment for use with machines, the manufacture of plant for mines, the iron and steel industry and foundries, civil engineering and the building trade, of mechanical handling equipment and of transmission equipment for motive power, the manufacture of machinery for working wood and similar materials, of paper, paper goods, printing and bookbinding machinery, of laundry and dry cleaning machinery, of plant for the leather industry, including boot and shoe machinery, the manufacture of internal combustion engines, of waterwheels and water and heat tubines and other mechanical energy producing machinery, of compressors, pumps and equipment for operating machinery by hydraulic or pneumatic means, the manufacture of spaceheating, ventilating and air conditioning equipment, of refrigerating machinery (except domestic type refrigerators and deep freeze units), the manufacture of non-electric industrial furnances and ovens, of non-electric welding equipment and the manufacture of office and data processing machinery.

For uses in hydraulic structures and other civil engineering works.

For concrete, mortar, grout, bituminous mixtures, surface treatments, unbound and hydraulically bound mixtures used for roads and other civil engineering works.

These arrangements shall include handrails and gratings or other nonslip surfaces to ensure suitable working conditions in the event of hydraulic fluid leakage.