Proposals which include a requirement for external lighting should demonstrate how it will contribute to the protection of dark skies. Submissions should include:
a) The number, design and position of lamps.
b) Full shielding (at the horizontal and above) of any fixture exceeding 500 initial lumens and evidence of limited impact of unshielded lighting through use of adaptive controls, and
c) Correlated colour temperature limit of 2400 Kelvins or less is desirable.