Construction work for civil engineering
For highways (except elevated highways), street, roads, railways and airfield runways
For bridges, elevated highways, tunnels and subways
For waterways, harbours, dams and other water works
For long distance pipelines, communication and power lines (cables)
For local pipelines and cables; ancillary works
For constructions for mining and manufacturing
For constructions for sport and recreation
For stadia and sports grounds
For other sport and recreation installations (e.g. swimming pools, tennis courts, golf courses)
For engineering works n.e.c.