Nexua Excellence quality provides Field Construction Survey.

Field Construction Survey

NEXUA provides experienced mechanical personnel to perform supplementary oversight of quality activities during the process of construction.

Personnel designated on site have experience in surveying activities and control of subcontractors. Our specialties:


Inspection during equipment installation, performed whether on ground or structure, and its alignment. Surveillance during equipment lifting to assure safety manoeuvred activities.

Structural Welding

Our inspectors understand internal code AWS D1.1 and EN’s Specifications, welding procedures and welders qualifications, NDE as VT, MT, PT, RT, UT, Phased Array, TOFD.

Piping Construction

Welding traceability, welder’s qualifications, process control and monitoring of production, NDE and Pressure testing.

Control of Lines

Inspection of that Installation is being carried out according the proper P&ID (Piping and Instrument Diagrams) or MFD (Mechanical Flow Diagrams).

Pressure testing, drying, cleaning, painting, insulation, acceptance and commissioning of units.

Final Documentation

Control of final documentation, CE and PED directives follow up until final approval.