Engineering services

Study, design and analysis

WSS offers a full range of design and analytical services, basic and detailed engineering, support of the feasibility study activities, prefabrication, construction and assembly and start-up of industrial plants. Our services can be divided as follows:


Surveys for the realization of new projects and revamping. Thanks to the best technologies on the market, our technical know- how and the collaboration with high qualified partners, Wss is able to: do high precision surveys of plants and infrastructures, develop revamping projects or construct new plants.
  • Survey 3D laser scanner
  • Photogrammetry
  • Survey with drone
  • Rendering and contextualization

Site assistance

Installation assistance activities. Thanks to the experience of the Wss technicians, developed over the years, Wss is able to offer the best assistance necessary for the installation of the plants. Wss can provide assistance both for the coordination of third-party workers and for activities carried out directly by Wss.
  • Support for prefabrication
  • Assembling assistance
  • Support for commissioning and start-up

Instrumental Engineering

Wss is able to offer instrumental engineering services both in the field of site activities (design, cable ways, instrument installation, engineering an sizing of control room, etc.), and in specialized activities.
  • Layout drawing
  • Carpentry calculation
  • Carpentry calculation
  • Cable routine layout
  • Instrument loop diagram
  • System panel diagram
  • Instrument hook-up electrical and pneumatic
  • Material Take-Off (MTO)


  • Process Engineering
  • Civil Engineering
  • Piping Engineering
  • Electrical Engineering
  • Automation and Control

Technical assistance

  • Technical assistance Switzerland / abroad
  • Electrical and mechanical assembly
  • Supervision and commissioning
  • Tele-assistance

Electric Panels

  • Electrical Panels MT
  • Electrical Panels BT
  • MCC Motor Control Center
  • Distribution panels
  • DCS / ESD systems
  • Command and control Electrical Panels
  • ATEX panels for specific needs (Ex-d; Ex-p; Ex-e)
  • ATEX panels for intrinsic safety signals


  • Electrical Panels
  • Control system
  • Replacement of obsolete components
  • Wiring on-board (primary, secondary and electrical)
  • Replacement of instruments