Pengerukan

The dredging and maintenance of rivers, ports, swamps, lakes, shipping lanes, ponds and canals, whether with light, medium or heavy work characteristics. Including dredging for the construction of water transportation routes.

Other civil building construction ytdl

The construction, maintenance and repair of other civilian buildings that have not been included in the 42901 to 42905 group, such as the construction of sports fields and outdoor sports facilities, parking lots and other residential facilities (outside buildings). Including the division of land with its development (for example, adding roads, public infrastructure and others).

Installation of prefabrication buildings for other civil building construction

The special activity of installing prefabricated buildings mainly of concrete for the construction of other civil buildings (subgroup activity 4291) as part of the work involved in civil construction and usually carried out on a subcontract basis.

Konstruksi bangunan pelabuhan perikanan

The construction, maintenance and repair of port buildings, wharves, port facilities, wave barriers and the like. Fishing ports. Including the construction of waterways or canals, ports and river channel facilities, docks (bases), locks (panama canal lock, Hoover Dam), fish auction places, and others.

Construction of building processing and storage of oil and gas goods

The business of building, maintaining and repairing oil and gas processing buildings. This includes oil or gas tapping buildings and channels, refineries, oil or gas storage buildings and oil or gas tanks.

Port building construction is not fisheries

The business of building, maintaining and repairing wharves, port facilities, wave barriers and the like non-fishery ports. Including the construction of waterways or canals, ports and river channel facilities, docks (bases), locks (panama canal lock, Hoover Dam) and others.

Water resource infrastructure building construction

Efforts to build, upgrade, maintain and repair the construction of water resources infrastructure such as dams, weirs, reservoirs, floodgates, gutters, check dams, flood control embankments, sea dikes, groves, reservoirs and the like. .