There isn't a definite answer.
4 inches
Check with your local government for building permits...it may differ from place to place.
Space planning is pretty much the way it sounds. It is planning based around a certain space. For instance, at a University, they have space planners to help them figure out what the best use of the campus, including each building and each classroom. They can plan for traffic flow, for break areas, and try to make everything more efficient... to do something with wasted space, and to make the best use of the spaces that are most in demand.
Particles and solid matter are locked into place and have very little free room between them. Particles in a liquid do not have much free space between them, but can easily move around each other. As for particles in gases, they can move freely amongst each other, and also have a lot of free space between them.
There's no limit in how much space you can use for all your videos.
I am looking into building an office space that it 13x12x15. How much would it cost to have a room that size built?
That will vary with each transaction. It can be as basic as paying a fixed fee for use of some space on a regular basis, to buying a building and remodeling it with all sorts of special equipment.
Gmail offers about 15 GB to space to each user. This space is including the Google Drive space. Each mail can carry 25 MB of data.
2.37 smidgens.
This is because the liquid molecules are already very close to each other. There is not much space between them which allows liquids to be compressed.
This may be a local building code matter, that may have changed since the building was built. Your question may have to do with noise or other issue, which you can discuss with your board to learn more about your options.
The space was so low that they sat between each other's legs and [were] stowed so close together that there was no possibility of their lying down or at all changing their position by night or day.