There are no chances of danger or injury to a
person or equipment. For example no wires
laying around for someone to trip over.
Lighting
You need to make sure that the lighting won't affect the way
your filming goes. For example if it's really dark you would
have to bring lights to help with being able to see the scene.
Sound
Not too much noise around the location
Legal and ethical issues
There's no problem with the location you're using and it
won't cause offence to anyone.
Facilities
There are facilities in the location able to use and
there is space to place own equipment.
Access
You have to make sure you will be able to have access to
the location on the time you want to use it.