check with your local city code enforcement. They have the sepc

来源: 于 2008-10-04 08:42:57 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

permits the level of the noise should be allowed during the day time or night time near risidential area for construction purpose.
Also. if you want to call the police. pls do not dial 911. YOu should check your local police's non-emergency #.
Leave the 911 calls for the really emergency.