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2014 PSATS ANNUAL CONFERENCE PROTECTING YOUR TOWNSHIP FROM UNDESIRABLE OUTDOOR LIGHTING

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2014 PSATS ANNUAL CONFERENCE PROTECTING YOUR TOWNSHIP FROM UNDESIRABLE OUTDOOR LIGHTING - PowerPoint PPT Presentation


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2014 PSATS ANNUAL CONFERENCE PROTECTING YOUR TOWNSHIP FROM UNDESIRABLE OUTDOOR LIGHTING. Presented by: Barry Johnson and Stan Stubbe The Pennsylvania Outdoor Lighting Council PA Chapter of the International Dark-Sky Association. Topics AN ORIENTATION IMPORTANCE OF GOOD LIGHTING

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Presentation Transcript
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2014 PSATS ANNUAL CONFERENCE

PROTECTING YOUR TOWNSHIP FROM UNDESIRABLE OUTDOOR LIGHTING

Presented by:Barry Johnson and Stan Stubbe

The Pennsylvania Outdoor Lighting Council

PA Chapter of the International Dark-Sky Association

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Topics

    • AN ORIENTATION
    • IMPORTANCE OF GOOD LIGHTING
    • CREATING, ENACTING AND ENFORCING AN EFFECTIVE LIGHTING ORDINANCE
slide3

Good Lighting – An Orientation

    • Outdoor Lighting Trends
    • Good Lighting Defined
    • A Brief Case Study
lighting trends
Lighting Trends

York

Pittsburgh

You are here!

slide6

Lighting Trends

LA Basin 103 Years Ago

slide7

Lighting Trends

LA Basin 100 YEARS LATER

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WHAT IS GOOD LIGHTING?

  • Good lighting starts with:
    • Using the right amount of light
    • Placing the light only where needed and wanted
    • Shielding the light source (bulb) from peoples’ view
    • Shutting lights off when not needed
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WHAT IS GOOD LIGHTING?

  • The right amount of light:
    • Not too much or not too little for the seeing task
    • Legally defendable
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WHAT IS GOOD LIGHTING?

Good lighting means placing the light only where it is needed or is wanted, to prevent light trespass and sky glow.

Courtesy RAB Lighting

Courtesy RAB Lighting

sky glow blocks seeing stars
Sky glow blocks seeing stars

Natural light from the stars

SKY GLOW

AIR POLLUTION AND MOISTURE PARTICLES

HOME LIGHTING

FLOODLIGHTS

POSTTOPS

PARKING LOTS

Light pollution from below

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WHAT IS GOOD LIGHTING?

Good lighting aims and shields the source to prevent “glare.”

“Glare is light that causes annoyance, discomfort or loss in visibility

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WHAT IS GOOD LIGHTING?

Good lighting shields the light source from view.

Shielding blocks light from going where it doesn’t belong and covers the bulb from view.

Unshielded

Shielded

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SHIELDED “SHOEBOX” FIXTURES

LIGHT AIMED STRAIGHT DOWN

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STREET LIGHTS

FULLY SHIELDED

UNSHIELDED

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PERIOD LIGHTING

ACORNS

SHIELDED

UNSHIELDED

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PERIOD LIGHTING

Unshielded Acorns

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WALL PACKS

Shielded

Unshielded

30

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FLOODLIGHTS

UNSHIELDED LIGHT GOES UP AND DOWN

billboard sign lighting
Billboard & Sign Lighting

Glare to Spare

LED Sign

Up-Lighted Billboard

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SPORTS LIGHTING

BAD AT BEST

barn light

Barn Light, aka Dusk-to-Dawn Light

Barn Light

POSTER CHILD FOR UNSHIELDED GLARE AND ENERGY WASTE

KEEP THEM ON THE FARM

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UNCONTROLLED GLARE

Barn Light

Some light even reaches the ground!

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WHAT IS GOOD LIGHTING?

Lastly, good lighting is on only when needed

It is to shut of at the close of business or when no one is watching to see what’s being lighted.

Motion Sensor

Programmable Timer

Midnight Off Photocell

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SUMMARY

    • Bad lighting is on the rise
    • Good lighting means:
      • the right amount of light
      • in the right place
      • shielded & aimed down
      • on only when needed.
    • A good ordinance can make a big difference
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WHAT’S NEXT

  • IMPORTANT LIGHTING ISSUES
    • Goals of good lighting
    • Lighting terminology
    • Lighting myths
    • Negative lighting impacts
    • Promoting quality lighting
    • Legal implications
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