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

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2014 PSATS ANNUAL CONFERENCE PROTECTING YOUR TOWNSHIP FROM UNDESIRABLE OUTDOOR LIGHTING

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  1. 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

  2. Topics • AN ORIENTATION • IMPORTANCE OF GOOD LIGHTING • CREATING, ENACTING AND ENFORCING AN EFFECTIVE LIGHTING ORDINANCE

  3. Good Lighting – An Orientation • Outdoor Lighting Trends • Good Lighting Defined • A Brief Case Study

  4. Lighting TrendsLightpollution and billions of dollars of wasted energy

  5. Lighting Trends York Pittsburgh You are here!

  6. Lighting Trends LA Basin 103 Years Ago

  7. Lighting Trends LA Basin 100 YEARS LATER

  8. Lighting TrendsTypical Suburban Sky GlowKing of Prussia, Once Farmland

  9. The US in 2025? The World at Night

  10. 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

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

  12. 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

  13. 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

  14. 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

  15. 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

  16. SHIELDED “SHOEBOX” FIXTURES LIGHT AIMED STRAIGHT DOWN

  17. STREET LIGHTS FULLY SHIELDED UNSHIELDED

  18. PERIOD LIGHTING ACORNS SHIELDED UNSHIELDED

  19. PERIOD LIGHTING Unshielded Acorns

  20. WALL PACKS Shielded Unshielded 30

  21. FLOODLIGHTS UNSHIELDED LIGHT GOES UP AND DOWN

  22. Billboard & Sign Lighting Glare to Spare LED Sign Up-Lighted Billboard

  23. SPORTS LIGHTING BAD AT BEST

  24. Barn Light, aka Dusk-to-Dawn Light Barn Light POSTER CHILD FOR UNSHIELDED GLARE AND ENERGY WASTE KEEP THEM ON THE FARM

  25. UNCONTROLLED GLARE Barn Light Some light even reaches the ground!

  26. 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

  27. 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

  28. WHAT’S NEXT • IMPORTANT LIGHTING ISSUES • Goals of good lighting • Lighting terminology • Lighting myths • Negative lighting impacts • Promoting quality lighting • Legal implications