Roads, communal footpaths and pavements must be adequately lit between dusk and dawn to allow the safe movement of pedestrians and vehicles around the site during the hours of darkness.
Rhaid i’r trwyddedai sicrhau bod olwynion a bwâu olwynion y cerbyd wedi’u glanhau a’u diheintio ar ôl llwytho a chyn gadael y lladd-dy.