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4121 Road and Bridge Construction
This class consists of units mainly engaged in the construction or general repair of roads, bridges, aerodrome runways or parking lots, or in organising or managing their construction. The quarrying of earth, soil or filling or other construction materials carried out in conjunction with road or bridge construction by the same unit is included in this class.
Exclusions / References
(b) the construction of tunnels for any purpose are included in Class 4122 Non-Building Construction n.e.c.; and
(c) providing special trade repair services, or in undertaking special trade construction of component parts of roads or bridges, e.g. in construction of kerbs or gutters only or in installing electrical wiring for traffic lights, are generally included in the appropriate classes in Subdivision 42 Construction Trade Services.
Aerodrome runway construction; Asphalt surfacing; Bridges construction (incl. construction from prefabricated components); Elevated highways construction; Overpasses construction; Parking lot construction (except buildings); Repair or maintenance of roads or bridges; Road construction or sealing; Road sub-base or fill quarrying (in conjunction with road construction); Viaducts construction
4122 Non-Building Construction n.e.c.
This class consists of units mainly engaged in the construction of railway permanent way, dams, irrigation systems, harbour or river works, water or gas supply systems, oil refineries (except buildings), pipelines or construction projects n.e.c., in the on-site assembly of boilers, furnaces or heavy electrical machinery from prefabricated components, or in the general repair of such structures, machinery or equipment.
Exclusions / References
(b) the erection or installation (including on-site fabrication) of metal silos, reservoirs or storage tanks are included in Class 4224 Structural Steel Erection Services;
(c) the installation of hot water systems are included in Class 4231 Plumbing Services; and
(d) providing special trade repair services, or in undertaking special trade construction of component parts for canals, dams, etc., e.g. in constructing stone retaining walls only or in constructing or repairing fences only, are generally included in the appropriate classes in Subdivision 42 Construction Trade Services.
Boilers construction (on-site assembly from prefabricated components); Bowling greens construction; Breakwaters construction; Cable laying; Canals construction; Dams construction; Distribution lines, electricity or communication, construction; Dredging (harbours or rivers); Electrical machinery, heavy, installation (on-site assembly); Flood control systems construction; Furnaces construction (for industrial plants from prefabricated components); Golf courses construction; Harbour works construction (except buildings); Irrigation systems construction; Jetties construction; Kilns construction; Lake construction; Mine site construction n.e.c.; Oil refineries construction (except buildings); Pile driving; Pipelines construction; Railway permanent way construction; River works construction; Sewage treatment plants construction; Sewage or stormwater drainage systems construction; Sports fields construction; Swimming pools, below ground concrete or fibreglass, construction; Television or radio transmitting towers construction; Tunnels construction; Water tank construction (except of structural steel)