About emergency vehicular access

Below is the most basic requirement:

The EVA should allow safe and unobstructed access and safe operation of a fire
appliance having the following specifications :
Gross weight 30,000 kg
Turning circle 26 m
Length 12 m
Turning space for fire appliances should be provided at all dead-end EVA.

want to know more, u can see COP of MOA by BD