The structural engineer is a key party in these situations. Depending on his report and his sign off of the work, it can be be used to support the client or the builder.
You need to be very clear of exactly what you are complaining about, and it is normally the professional specifier that determines what is correct or not. He should be involved.
You need to be very clear of exactly what you are complaining about, and it is normally the professional specifier that determines what is correct or not. He should be involved.