Miscellaneous construction work

Category # 1 - construction work on special construction works falling under the categories of non-residential construction works

Category 2 - construction work on extraordinary structures falling under the categories of communications, engineering networks and other civil engineering structures

Category 3 - Construction work on non-special, non-complex and temporary construction works falling under the categories of non-residential construction works

Category 4 - construction work on non-special, non-complex and temporary structures falling under the categories of communication communications, engineering networks and other civil engineering structures