Operation, security and maintenance of the station
Operation and maintenance of desalination plants
Replacement and renewal of the covered drainage network
Extension and reinforcement of sewage gravity networks
Water tank replacement and rehabilitation works process
Diving suit and accessories supply process
Stainless steel sheet supply process - Elbows Selms
Compressor repair process
Supply and implementation of tunnel encroachments for sewage operations
Supply of drinking water and sewage line repair kits