Effective Roadway Lighting

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Course Overview

The new Illuminating Engineering Society of North America (IES) RP-8-14 Recommended Practice for Roadway Lighting has changed to the Luminance design method as the primary design method. The new RP-8. also has new guidance related to LED lighting, Adaptive Lighting and Lighting for Pedestrians. Learn the basics of lighting design, design methods and guidelines with this course.

Who Should Attend?

  • Engineering consultants 
  • State DOT engineers 
  • Municipal engineers 
  • Public works directors and superintendents 
  • Lighting designers, architects 
  • Electric utility engineers 
  • Lighting manufacturers and suppliers 
  • Others involved in design, operation, and maintenance of roadway lighting

Course Outline

Why Do We Install Roadway Lighting?

  • Safety
  • Security
  • Cost/benefit considerations
  • When should we light? – Warrants

Designing “In Scale”

  • Lighting is a geometry problem
  • Rules of Thumb for Selecting Mounting Height of Lighting
  • Design “in scale” with the street

Review of Lighting Fundamentals

  • Roadway lighting units of measure
  • Photometric reports
  • Reflection and refraction
  • Visibility 

Light Sources for Roadway Lighting 

  • High Intensity Discharge lamps
  • LED lighting
  • Induction Lighting
  • Color Rendering Index (CRI)
  • Correlated Color Temperature (CCT)
  • Scotopic/Photopic ratio (S/P)

Luminaire Selection

  • Luminaire types
  • Reflectors and refractors
  • Roadway distribution types
  • Cutoff classifications
  • Backlight, Uplight, and Glare (BUG) ratings
  • Ingress Protection (IP) ratings
  • Maintenance considerations

Evaluating Street Lighting for Energy Efficiency

  • Energy Analysis Approaches
  • Comparing LED & HID Lighting Systems
  • Retrofitting Existing Systems
  • Examples and Exercises

Introduction to the New ANSI/IES Rp-08-14 Recommended Practice for Roadway Lighting

  • Roadway classifications
  • Luminaire
  • Design criteria
  • Design considerations
  • Lighting for pedestrian activity
  • Limiting light trespass & skyglow

Example Design Problems

  • Illuminance design
  • Luminance design
  • Comparison of results

Lighting Design Exercises

  • Designing with computer software
  • Considering energy efficiency, connected load and life cycle cost in design
  • Retrofit Design Exercise
  • Complex geometries, intersections and other special cases

Translating Design to Practice: How the Real World Gets in the Way

  • Applying theoretical spacing to plan
  • Intersection adjustments
  • Utility considerations
  • Trees and landscape coordination
  •  Specification and construction issues

Lighting Design Plan Sheet Exercise

Roadway Lighting  - Electrical Basics

  • Basic lighting circuits
  • Electrical plans, details, and panel schedules
  • Voltage drop calculations

Adaptive Lighting and Lighting Controls

Poles. Foundations and Safety

  • Pole materials
  • Typical foundation design
  • Alternative foundation types
  • Direct burial poles
  • Clear zone considerations
  • Breakaway assemblies

Testimonials

"Great course–covered almost every aspect of roadway lighting."

"Good examples, real-world issues."

"I got the answers to several plaguing problems."

"A completely useful course. I am happy to report to my company that our training time and money were so effectively used."

"This course was great. I would highly recommend it to anyone regardless of their street lighting experience."

Instructors

Benjamin Jordan

Program Director at the University of WisconsinMadison, Department of Engineering Professional Development, Ben develops continuing education courses for civil engineers and public works professionals. He is also director of the Wisconsin Transportation Information Center, providing training and technical assistance to county highway departments, town road departments and city and village public works departments in Wisconsin. Mr. Jordan has over 35 years of experience in civil engineering and public works. He earned a Bachelor of Science Degree in Civil Engineering from the University of Illinois at UrbanaChampaign and is a Licensed Professional Engineer in the State of Illinois.

Graeme Lister

Suzanne Lansford

Suzanne Lansford, PE, President and Principal, REDD Inc., Phoenix, Arizona

Rick Kaufmann

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Program Director

Benjamin Jordan

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