Dear DK
1. The structural engineer design the house according to the plan of the house.
2.The rules are changed from time to time so enquire in concerned office.
3.The rules are changed from time to time so enquire in concerned office.
Sorry, but your suggestion(s) is very much obvious ..
If you really want to help please give some examples which you have experienced. Otherwise, let the question be open...
Rgds,