I am a Sound Editor at a post sound studio in Hollywood, and we are in the process of building a new space. I was put in charge of designing our foley pits, and I don't really have any experience with the design and construction of them. This is a legitimate foley stage, so please don't give me ideas for portable pits. We are going to have one small pit in our ADR room, and then a larger pit for our theater. I have a few questions about the construction of these foley pits for anyone who might know.
1) How deep do the pits need to be?
2) For surfaces like tile, wood, and carpet, do I need dig out the space and pour concrete to put the tile and carpet on, or can I place the tile on the preexisting concrete without digging out the space?
3) I'm assuming the pit is one large hole, but each surface is divided by wood. What kind of wood and how thick does it need to be?
4) What is the ideal size for each surface?
5) I plan on pouring the concrete into a hole that is at least 4 feet deep to prevent it sounding hollow, but is there a way to keep the concrete surface from sound clicky?
We aren't going to have a water pit, because there isn't enough budget to add plumbing to drain it. Any help you guys can give me would be much appreciated.