HomeMy WebLinkAboutRIGDEN FARM, PIONEER CHARTER SCHOOL - SITE PLAN ADVISORY REVIEW - 56-98U - CORRESPONDENCE - REVISIONS (3)In an effort to remain consistent in our Exterior Site Lighting and address other city
comments to increase light levels, we will be using this fixture and wattage for
building mounted lighting as well.
Should you have any questions about the above items or need further clarification, please
give me a call.
Thank You,
Brennan Schumacher, Merit Electric
CC: Larry Smith, P.E.-Merit Electric
parking lot according to the IESNA is a minimum of 0.2fc, with a max to min ratio of
20:1.
The following actions have been taken to address the Police Department Comments:
➢ We have increased the lighting on the bridge for safety by adding one
additional light and pole to the bridge itself. The bridge now has a minimum
illuminance of 0.5fc, with the majority of the bridge going beyond
recommended values by the police department.
➢ There were two poles added to the parking lot to provide higher illumination
levels in a more consistent manner. We have also added the contribution
from existing streetlights to provide a more accurate level of illumination.
This resulted in achieving an average of 0.7fc and veryfew minimum levels of
0.2fc across the lot and a max/min ratio of 10.5:1, surpassing IESNA
recommended values.
➢ We have increased our building mounted lighting from 5 fixtures to 10
fixtures and went from a fluorescent source to a metal halide fixture to
increase light levels around the building. Significant quantities offixtures
were added to the north and west sides of the building to improve safety
along the perimeter of the building. Existing streetlights were also factored
in, to provide more accurate lighting levels.
➢ Photometric calculation areas were increased to show all lighting levels
around the building.
CURRENT PLANNING REVIEW COMMENTS
Number 25.) "General note #2 on the site lighting plan specifies that walkway
lighting is 12 feet tall. The B3 and B5 are specified in the luminaries schedule on the
lighting plan to have 50W bulbs, however the fixture spec sheets don't show these
fixtures with a 50W option. Also, the post top lighting diagram entitled `VV Metal
Halide Decorative Post Top Lighting' shows the footcandle readings for a 175W
bulb. Please show this information with the 50W bulb. The reason for this is the
Land Use Code specifies that all fixture shall be concealed and fully shielded and
shall feature sharp cutoff capability so as to minimize up -light, spill light, glare and
unnecessary diffusion on adjacent property. It is likely that a 50W bulb will
accomplish the purpose of this standard even though the fixture isn't fully shielded,
but I need to see specs on the 50W option."
Response: In a response to the Current Planning Department comments, we have
changed some of the fixtures being utilized for site lighting at the future site of
Pioneer School. All walkway lighting will remain at 12' and all parking lot lighting
will be 20' in height.
We have changed our decorative post top luminaries to a `Beta Lantern'
manufactured by se'llux. The specification sheets have been added to the Site
Lighting Plan Submittal Sheets. These fracture cut sheets list the 50W option and
provide a `Full Cut Off Reflector' (concealed and fully shielded and with full cutoff
so as to minimize up -light, spill light, glare and unnecessary diffusion on adjacent
property
Brit
August 19, 2003
Steve Steinbicker
Architecture West
748 Hinsdale Drive
Fort Collins, CO
RE: Pioneer Charter School
City Comments, Lighting Requirements
Dear Steve:
integrity
Skill
Imagination
I have received a copy of the City Comments prepared by the City Light and Power,
Current Planning and the Police Department, regarding light level requirements. The
following responses address items that relate to Merit Electric's scope of work regarding
these comments.
LIGHT AND POWER COMMENTS
Number 3.) "The developer will need to coordinate power requirements and a location
for the pad type transformer with Light and Power Engineering. Normal electric
development charges will apply."
Response: Brennan Schumacher with Merit Electric met with Monica Moore to
coordinate a transformer location and will provide a load study to coordinate power
requirements.
POLICE REVIEW COMMENTS
Number 5.) "A minimum of 0.7fc around the building would improve safety. Parking lot
also needs additional lighting. Landscape materials along the east of the building prohibit
surveillance to parking lot. Recommend a taller canopy or lower shrubs. North side of
building should have a l.Ofc or greater to minimize potential vandalism. Also, lighting
on bridge should be increased to 0.5 for safety."
Response: Pioneer Charter School is trying to keep energy and operational costs at a
minimum, and are therefore trying to get the most efficient site lighting plan. Located
in a residential neighborhood, Pioneer Charter School is trying to keep site lighting
to a minimum, while maintaining a safe property. Pioneer is also in the process of
getting their building LEED r14Certifted. This requires that we meet IESNA
(Illuminating Engineers Society of North America) recommended levels of
illumination, which is an industry and city standard. The recommended levels for a
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