building a recording studio

[banned]

hi i am wanting to build a recording studio in a 12m by 3m demantable and was wondering if any one has some ideas of how to sound proof it and also how to set up the mixing booth and recording areas ??? any help, pictures would be very helpful thanks

[Blue Bear Sound]

This is why it's a good idea to check out a website before jumping in... did you even notice the Studio Building and Display forum?

Here's a hint............
http://homerecording.com/bbs/forumdisplay.php?f=20