major structure change should require engineering study..

来源: 于 2012-07-23 14:15:34 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

any major structure change should first require engineering study..this is not something you should done in hurry, and make sure to obtain a permit.

you will be fined and may require to remove all add-on structure.