Find engineers who design, calculate and check work to ISO 9613-2. The same engineering task can require completely different design standards by jurisdiction — which is why this is a structured field and not a keyword.
Nominating the standard is one of the highest-value things you can do in a brief. A design produced to the wrong code is not a design that needs adjusting — it is work that has to be redone, and the cost of finding that out late is entirely avoidable.
State ISO 9613-2 and your jurisdiction explicitly. The engineer should confirm the choice before starting and record it in the design basis, so every downstream check is traceable back to the clause it was made against.
Fiber Optics Engineering specialist — building acoustics & optical system design
Acoustical Engineering specialist — nvh engineering & photonic integrated circuits
Noise Control Engineering specialist — lens design & laser system engineering
6DaysOn-site availableFiber Optics Engineering
Sofia OkaforFrom$450
6DaysOn-site availableAcoustical Engineering
Sunita NilssonFrom$630
4DaysRemoteNoise Control Engineering
Elena NwosuFrom$1,170
2DaysRemoteNoise Control Engineering
Elena NwosuFrom$1,300