The City of Calgary Land Use Bylaw 1P2007
PART 3: RULES GOVERNING ALL DISTRICTS
Division 4: Lighting Rules
63 1 All outdoor light fixtures must be aimed and shielded in a manner that does not direct illumination onto a street or adjacent residential uses.
2 Unless otherwise referenced in subsection (3), all outdoor light fixtures must not emit light above the horizontal plane at the bottom of the light fixture.
3 Outdoor light fixtures may emit light above the horizontal plane at the bottom of the light fixture only where the light fixture:
Mounting of Fixtures
64 All outdoor light fixtures, other than those referenced in section 63(3), must be mounted with a rigid mounting arm with no adjustment feature.
65 1 Unless otherwise referenced in subsection (2), the maximum mounting height for an outdoor light fixture with a luminaire wattage greater than 100 watts is:
a 7.5 metres in the C-N1, C-N2, C-C1, C-COR1, CC-ER, I-B and I-E Districts and in all residential districts, mixed use districts and special purpose districts; and
b 12.0 metres in the CC-ET, CC-EIR, CC-EMU, CC-EPR, CC-ERR Districts and in all other commercial and industrial districts.
2 There is no maximum mounting height requirement for an outdoor light fixture with a luminaire wattage greater than 100 watts for an Outdoor Recreation Area and a Spectator Sports Facility, regardless in which District these uses are located.
3 Outdoor light fixtures mounted on poles, or any structure intended primarily for mounting lighting, must not exceed a mounting height of 40.0 per cent of the horizontal distance between the light fixture and the property line, except:
a For outdoor light fixtures with a mounting height less than 5.0 metres with side shielding on the property line side of the outdoor light fixture so that the luminaire is not visible from the property line; and
4 Outdoor light fixtures with a luminaire wattage greater than 100 watts, mounted onto buildings, must not have a mounting height higher than the building or higher than 40.0 per cent of the horizontal distance between the light fixture and the property line, whichever is the lesser, except for:
a outdoor light fixtures mounted on building façades that are less than 7.5 metres from the property line may have a mounting height of 3.0 metres or less; and
66 Outdoor light fixtures mounted on canopies must be recessed so that the luminaire does not project below the underside of the canopy.