Welcome to Burnt Store Lighting
Burnt Store Lighting LLC is dedicated to raising awareness of responsible roadway street lighting and the dangers of poorly designed roadway lighting.
We are 100% supportive of properly designed and executed roadway lighting for safety and security.
What we are NOT supportive of is irresponsible or potentially harmful
roadway lighting design.
According to research scientists the introduction of high lumen artificial light
probably represents the most drastic change human beings have made to their environment.
Some Criteria of Responsible Roadway Lighting Design
The objective of a "responsible" roadway lighting system is to focus light on the roadway for Safety and Security without excessive Light Pollution or invasive Light Trespass.
Some of the basic criteria are: Color temperature, Fixture Type/Illumination Pattern, Fixture Placement, Light Output, Light Trespass, and Light Pollution.
Proper roadway lighting design should also include environmental considerations especially related to sky glow and light trespass. It's not Rocket Science.
Unfortunately along Burnt Store Road the responsible criteria was not met. What was installed is high lumen/high color temperature LED commercial parking lot lights indiscriminately throwing out light in all directions instead of focused on the roadway where it belongs and causing massive amounts of light pollution and light trespass.
"More light is not better light. Better controlled light is better light."
2200K: Existing High Pressure Sodium fixtures. Most Ecosystem friendly.
Warm orange color that blends in with our natural Florida horizons.
3000K: Warm yellow color temperature which meets International Dark Sky standards.
4000K: Entering into the cool blue color spectrum. Not as responsible color choice as 3000K.
5000K: Very blue cool blue. The most Ecosystem invasive color temperature. Can cause heath issues in people, plants and animals.
LCDOT initially specified/ordered 5K fixtures which is the most Ecosystem invasive option.
The manufacture states that 5K is "not commonly used for roadway lighting."
The Type II distribution is used for wide walkways, on ramps and entrance roadways, as well as other long, narrow lighting.
This type is meant for lighting larger areas and usually is located near the roadside. You’ll find this type of lighting mostly on smaller side streets or jogging paths.
The Type III distribution is meant for general roadway lighting, parking areas and other areas where a larger area of lighting is required.
Type III lighting needs to be placed to the side of the area, allowing the light to project outward and fill the area. Its throw is taller than Type II but its side to side throw is shorter.
The Type V distribution is designed to produce an all-around 360 degree pattern of light.
The Type V fixtures are most commonly used in large commercial parking lot applications and areas where wide symmetrical pattern of light is required.
Type V is considered a non-cutoff fixture. The light is equally distributed in a circle or square surrounding the luminaries.
This pattern of lighting is not suitable for residential areas.
"The most common fixtures we sell are 3000 degree Kelvin Roadway Type III"
Senior Engineer Acuity Brands
The Type II distribution pattern is focused on the roadway without excessive back light.
the type II was originally specified/ordered
The Type III distribution pattern placed to the side of the lit area allows the light to
project outward and fill the roadway area while the backside does not project as much light.
The type III was the Option the factory Suggested
The Type V produces a 360 degree pattern and causes the most Light Trespass and Light Pollution.
LCDOT changed to 4000 degree Kelvin
Roadway Type V "at the Last Minute."
"Changing from the Type II to Type III would have been more logical than changing from
the Type II to Type V which seems very drastic."
Senior Engineer Acuity Brands
LCDOT could have used the environmentally and ecosystem friendly Dark Sky Approved
3K Roadway Type II or Type III but instead chose one of the most invasive options available.
the multi-use path took priority over light pollution, light trespass, the Ecosystem, and residents well being.
Email from Johnson Engineering to LCDOT
Sent: Tuesday, July 9, 2019 11:28 AM
“Do you have any objections with the attached shop drawings for lighting materials on Burnt Store? Also this submittal is for 5K but sine it’s LED do you or the County have a preference on color temperature, 4k or 5k? They both work the same for the photometrics, didn’t know if yall have a standard.
We have one comment/revision. Our photometrics were analyzed using the R5 optics. The R5 had higher backspill to light the multi-use path. They proposed R2, see below. We are going to mark that up to include the R5. Let us know if you have any comments and we will incorporate in our response.
Please and Thank you.”
Please note: Florida has a very broad public records law. Most written communications to or from County Employees and officials regarding County business are public records available to the public and media upon request. Your email communication may be subject to public disclosure.
From: LCDOT to bslightingllc
Sent: Monday, October 21, 2019 8:15 AM
Subject: RE: BSR Lighting Submittal
Our standard fixture temperature throughout the County is 4K and this is what we will be using on Burnt Store Road.
From: bslightingllc to LCDOT
Sent: Friday, October 18, 2019 11:51 AM
Subject: RE: BSR Lighting Submittal
Thanks for getting back to us. The lights come in 3K, 4K and 5K and it looks you are ordering the fixtures in 5K non-dimmable version (which is the most invasive and produces the most light pollution.)
The High Pressure Sodium lights that are currently installed in many areas of Florida have a color temperature of around 2200 degrees Kelvin.
It would make sense when replacing them or installing new LED lights to use more eco friendly 3K LED lights which would be more cohesive with the existing HPS lights and less invasive to our natural Florida horizons.
You really should consider using the more ecologically responsible 3K version.
There are a number of studies on the damaging effects of high lumen/high color temperature LED on the environment and the ecosystem.
High color temperature street lights have a myriad of problems; they are invasive, they cause light pollution, disrupt our natural beauty, adversely affect the circadian rhythm of people and wildlife, and can be harmful to the environment and the ecosystem.
When LED lights first came out the “standards” for LED lights were like the Wild, Wild West and I would hate to see our beautiful Florida natural horizons lit up like a football stadium or a prison yard because the outdated standards didn’t address the problems of high color temperature of LED lights.
Thanks again for the information.
"Don't they know how bad this much light pollution is for the environment?"
Neighbor's 10 year old Grandaughter
FACTS & Questions
The fixtures were originally specified/ordered as: ATB2 60BLEDE15 480 R2 5K NL NR which is a 5K non-dimmable fixture with roadway Type II illumination pattern, yet LCDOT insisted it was a 4K fixture.
After we pointed the discrepancies to LCDOT the fixtures were changed "at the last minute" according to the electrical distributor to ATB2 60LEDE15 480 R5 NL NR AO which is a 4K, field dimmable fixture with the roadway Type V commercial parking lot illumination pattern.
When the fixtures were changed from roadway Type II to roadway Type V did LCDOT
review the photometric comparison between the two fixtures? Or did they take Johnson Engineerings recommendation on blind faith?
Contrary to Johnson Engineering, because of the radically different illumination patters between the Type II and Type V the pole spacing should have been adjusted. They should have re-run the full photometric point by point layout and had LCDOT review and approve it.
At this time we have been unable to verify if a full photometric point by point layout exists or if it was re-run and reviewed by LCDOT.
Why was there no consideration given to Light Trespass for the residents, burrowing owls and other wildlife along Burnt Store Road or concern for excessive light pollution when the fixtures were changed to Roadway Type V?
Type II and type v
Why did lighting for the multi-use path take precedent over the wellbeing of the current and future residents along Burnt Store Road? If so then, why weren’t low mounted walkway bollards used as the manufactures engineers suggested?
Why didn't LCDOT order the fixtures with the house side light trespass shields and use roadway pole arms to direct the illumination towards the road where it belongs?
How could LCDOT think that using high lumen/high color temperature unshielded commercial parking lot fixtures throwing massive amounts of light in all directions in a residential area was a "responsible" lighting design?