أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
YES - However this will depend on how much Knowledge that person retains and the number of years he has worked on Site.
The best one you can depnd on to inspect the work is the one who used to do it hemself.
It is always advisable or recommend to give a chance to site engineer in consultancy service to explore his skill and consider practical things while design/ prepare GAD of the system.