Malfunction-need more input!
Ok, so we were watching Short Circuit last night and it rubbed off...
Seriously, tho, we need a little bit more data than what you've got. The size of the building you posted is one of the biggest things, and the type of construction is good- although a little more data there would be useful. Are you using cast-in-place concrete? Concrete blocks? Or Knightfly's insulated-concrete-form system? Are you just building the outside walls in concrete, or every wall in the building? It's doable, but would be easier to do the acoustic treatment if you build with wood studs and drywall. Done right, the sound isolation will still work out. I'm not sure of the cost difference between building the whole thing out of concrete, but maybe it'll work out for you- especially if you have a cousin or someone who is a mason. Anyway, I digress. The ceiling height you're shooting for - or the most you can build- are important for us to know.
Another big thing that'll help us out is knowing exactly what you want to record/mix/produce here. If you're recording a full band semi-live- or even just drums with the rest of the band in the control room- you'll need a bigger tracking room than if you're just doing acoustic guitar or voice-over.
Your budget is another big factor.
Sorry if it seems like I'm asking more questions than I'm answering, but a good design depends upon these questions and their answers. Someone, somewhere along the way, will have to make these decisions, and the sooner you get them all answered the easier the building process will be.
Comments on the layout you posted- that tracking room looks good, but the control room would end up sounding and feeling like a tunnel. If it'll be 17 feet long, try to make it at least 10 feet wide. This'll cut a lot of space out of tracking; with the outside dimensions you've given, it may not be a bad idea to try an all-in-one-room studio. The inconvenience of having the control in the same room as tracking would be counter-balanced by having enough space to do all the stuff you need to do, rather than dicing up your space with walls and ending up not having enough room in any of your rooms to do what you need to.
But yeah. Lots more things to think about. Fill in some more of the blanks and we'll be much more help to you.
;)
Kase
www.minemusic.net