ICS

93 : Civil engineering

93.010

Civil engineering in general

93.020

Earthworks. Excavations. Foundation construction. Underground works

93.025

External water conveyance systems

93.030

External sewage systems

93.040

Bridge construction

93.060

Tunnel construction

93.080

Road engineering

93.100

Construction of railways

93.110

Construction of ropeway

93.120

Construction of airports

93.140

Construction of waterways, ports and dykes

93.160

Hydraulic construction