Mobile bowsers5
1
Any mobile bowser used for storing oil shall satisfy the following requirements.
2
Any tap or valve permanently fixed to the unit through which oil can be discharged to the open must be fitted with a lock and locked shut when not in use.
3
Where oil is delivered through a flexible pipe which is permanently attached to the unit—
a
the pipe must be fitted with a manually operated pump or with a valve at the delivery end which closes automatically when not in use;
b
the pump or valve must be provided with a lock and locked shut when not in use;
c
the pipe must be fitted with a lockable valve at the end where it leaves the container and must be locked shut when not in use.