§ 165-201.07
Dimensional standards
Extracted standards
28 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Lighting
- Maximum building-mounted fixture heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. adjacent to agriculturalAgricultureRaising crops or livestock, generally including the structures that serve them./residential20 ft
Building-mounted or wall-pack lighting fixtures shall not be mounted more than 20 feet above the finished grade of the building where the building face is adjacent to agricultural or residential uses
- Maximum building-mounted fixture heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. for other uses25 ft
and no more than 25 feet in height above finished grade where adjoining all other uses.
- Correlated Color Temperature for non-residential uses4,000 K
For non-residential uses and high-security areas, use of a neutral-toned or filtered CCT not to exceed 4000 K.
- Correlated Color Temperature for multifamilyMultifamily dwellingA building of four or more dwelling units. Where zoning is most restrictive./residential parking3,000 K
For multifamily residential and residential parking lots, use of a warm-toned or filtered Correlated Color Temperature (CCT) not to exceed 3000 Kelvin (K).
- Lighting product certification
Meet the DarkSky International Approved Luminaries certification, Illuminating Engineering Society of North American (IESNA), or Zoning Administrator accepted equivalent certification for lighting products.
- Prohibition of flashing or intermittent lighting
Flashing, revolving, or intermittent exterior lighting visible from any property line or street shall be prohibited.
- Maximum average maintained horizontal lighting for high-security areas15 footcandles
15.0 footcandles for high-security areas, such as, but not limited to, automated teller machines (ATMs), motor vehicle display areas; vehicle fuel station canopies, outdoor storage areas, and loading docks.
- Maximum lighting at arterial road right-of-way for multifamilyMultifamily dwellingA building of four or more dwelling units. Where zoning is most restrictive.1.5 footcandles
1.5 footcandles along arterial roadways.
- Maximum lighting at building entrances for multifamilyMultifamily dwellingA building of four or more dwelling units. Where zoning is most restrictive.5 footcandles
5.0 footcandles at building entrances, walkways and pathways.
- Maximum lighting at collector road right-of-way for multifamilyMultifamily dwellingA building of four or more dwelling units. Where zoning is most restrictive.1 footcandles
1.0 footcandle along collector roadways.
- Maximum lighting at local street right-of-way for multifamilyMultifamily dwellingA building of four or more dwelling units. Where zoning is most restrictive.0.5 footcandles
0.5 footcandle along local streets.
- Maximum lighting in common open spaces0.5 footcandles
0.5 footcandle in common open spaces areas.
- Maximum lighting in off-street residential parking lots2 footcandles
2.0 footcandles in off-street residential parking lots.
- Maximum lighting at property line for multifamilyMultifamily dwellingA building of four or more dwelling units. Where zoning is most restrictive.0.5 footcandles
The average maintained horizontal lighting levels for multifamily developments shall not exceed 0.5 footcandle at property line boundaries
- Maximum lighting at property line with residential/agriculturalAgricultureRaising crops or livestock, generally including the structures that serve them. for multifamilyMultifamily dwellingA building of four or more dwelling units. Where zoning is most restrictive.0.2 footcandles
At any property line boundary with property zoned, used, or planned for residential or agricultural purposes: 0.2 footcandle
- Maximum average maintained horizontal lighting along fronts of buildings5 footcandles
5.0 footcandles along fronts of buildings.
- Maximum average maintained horizontal lighting for nonresidential parking lots5 footcandles
5.0 footcandles for parking lots, pedestrian walkways, internal vehicle travel ways, and loading areas.
- Photometric plan requirement
A photometric lighting plan shall be submitted and approved in conjunction with any site plan required by Article VIII or subdivision design plan as required by Chapter 144 of the Frederick County Code.
- Maximum pole heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. in parking areas adjacent to agriculturalAgricultureRaising crops or livestock, generally including the structures that serve them./residential20 ft
Free-standing pole-mounted light fixtures, including mounting base, shall not be more than 20 feet in parking areas within or adjacent to agricultural or residential uses
- Maximum pole heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. in B3, M1, M2, EM, TM with master planComprehensive planThe long-range policy document zoning is meant to implement; it is not itself binding law.45 ft
In no case shall light fixtures in the B3, M1, M2, EM and TM Districts exceed 45 feet in height.
- Maximum pole heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. for other uses25 ft
and shall not be more than 25 feet in height above finished grade where adjoining all other uses.
- Maximum lighting at property line with commercial/industrial1 footcandles
Lighting levels shall not exceed 1.0 footcandle at any common property line with property zoned or used for commercial or industrial uses, and at any edge of a property line adjacent to a road right-of-way.
- Maximum lighting at property line with residential/agriculturalAgricultureRaising crops or livestock, generally including the structures that serve them.0.2 footcandles
Lighting levels shall not exceed 0.2 footcandle at any common property line with property zoned, used as or planned for residential or agricultural uses.
- Maximum horizontal illuminance at 150 feet from field edge0.5 footcandles
Lighting designs must ensure that horizontal illuminance at a distance of 150 feet from the edge of the field does not exceed 0.5 footcandle when measured horizontally at ground level.
- Maximum initial lighting level above IESNA target30 percent
Initial lighting levels shall not exceed the target levels specified by the IESNA by more than 30% to account for light loss factors such as lamp lumen depreciation and luminaire dirt depreciation.
- Recreational facility lighting shutoff time23 hour (11:00 p.m.)
Lighted recreational facilities in all zoning districts shall be turned off within 30 minutes after the last event or 11:00 p.m., whichever is earlier.
- Light fixture setbackSetbackThe distance a building must be held back from a lot line. from property lines and roadways10 ft
Light fixtures shall be placed outside of the paved areas of a site and be set back a minimum of 10 feet from adjoining property lines and roadways.
- Full shielding requirement
All outdoor lighting fixtures shall be fully shielded, aimed, downcast (i.e., full-cutoff), located and maintained to shield adjacent properties and to not produce glare onto adjacent properties or road rights-of-way.
From the ordinance
The purpose and intent of this section is to establish outdoor lighting standards that reduce the impacts of glare, light trespass and over lighting...