DMD news
Daniel Wong is now certified as as Professional Traffic Operations Engineer™ (PTOE). PTOE is a powerful demonstration of requisite knowledge, skill and ability in the specialized application of traffic operations engineering. As of May 21, 2007 there are 1,785 certified PTOE professionals.
Our new address and phone numbers are as follows:
#12-17358 104A Avenue
Surrey, BC V4N 5M3
Tel: 604/589-9010
Fax: 604/589-9012
We are pleased to announce Daryl Matthews has joined the DMD team. Daryl has over 20 years of traffic signal knowledge with specialized knowledge of traffic controller and related devices as well as intelligent transportation systems. Daryl’s expertise includes design, commissioning, troubleshooting, testing of electrical and electronic transportation related systems.
Cotact Daryl Matthews at daryl@dmdeng.com
This follow-up document to the Level I certification course is a focused on roadway lighting. The course was joint effort between PB Americas and DMD and Associates Ltd.
The Level I course was focused on safety, basic electricity, electrical code, basic equipment, basic construction and basic maintenance. This Level II course is focused towards the specific roadway lighting elements as follows:
The information in the Level II Course is intended to further ones knowledge and understanding of roadway lighting systems and service. The course should benefit those who administer, install, maintain, and operate roadway lighting systems.
Though not focused on design their is also some good information for those who design roadway lighting.
The first course will be offered at the IMSA annual conference on August 20/21, 2007 in Louisville, Kentucky.
Don McLean of DMD will conducting a one hour presentation on the Roadway Lighting Level II Certification Program on August 19th from 2:00PM to 3:00PM at the annual conference in Louisville.
For further information refer to the IMSA web site at www.IMSAsafety.org or e-mail info@IMSAsafety.org.
In mid May 2007 DMD will be moving to a new office located at,
#12-17358 104A Avenue
Surrey, BC V4N 5M3
Tel: 604/589-9010
Fax: 604/589-9012
The new 8000 sq ft building will feature and open floor plan to enhance interaction and networking amongst staff, product testing center, small warehouse, employee games and recreational area, conference/training center and full kitchen facility.
Feel free to drop by and visit us.
The Transportation Association of Canada are offering one day roadway lighting seminar on April 16th, 2007 in Ottawa. The course will be taught by Don McLean of DMD and Associates Ltd the lead author of the TAC Roadway Lighting Design Guide.
In 2005, DMD and Associates Ltd co-authored an Athletic Field Lighting Technical Report for the Fairfax County Park Authority. The 2005 report focused on sports lighting standards and a review of various supplier’s products. The report also discussed fundamental concepts and industry standards, reviewed Fairfax County Zoning Ordinance, and included analysis of various products and recommendations.
A major issue with sports lighting installations is the bright light sources set against a dark sky can be a source of complaint and issue by local residents even when the lights viewed miles away from the playing fields. The White Paper, commissioned in Dec 2006 by the Fairfax County Park Authority (FCPA), was a follow-up to the original report to deal more specifically with this issue. This white paper focuses in more detail the off-site obtrusive light issues relating to glare (intensity) emitted from the sports lighting fixtures. The primary scope of this assignment was how to define glare which is a complex phenomenon, and is subject to ongoing debate within the lighting world. Although the term “glare” has been used in the 2005 Athletic Field Lighting Technical Report, we used the term “source intensity” which better represents the methods of analysis noted in both that 2005 report and in this White Paper. Source intensity is a much simpler concept to comprehend than glare and is well explained in the White Paper. The White Paper defines methods to review, assess and measure source intensity from local residences off-site. The White Paper has been completed however is still under refinement.
The lead author of this document was DMD and Associates Ltd with input and review by Dr. Ian Lewin of Lighting Sciences Inc.
Don McLean of DMD has been appointed as the chair of the IESNA Energy Management Sub-Committee. The sub-committee will be producing a Technical Memorandum document to define the concept of Adaptive Lighting as well will be updating IESNA DG-13 Photo-controls and will be looking into research on unit power density. For any future information in these areas contact Don McLean at don@dmdeng.com.
Sep/Oct 2006 Issue #5: Adaptive Lighting
This issue of the Advisor details the adaptive lighting technology and how it is used to potentially save 40% power each year through dimming street light lamps during non-peak periods.
Don McLean has an article published in the current issue of the IMSA Journal (September – October 2006). The article is titled Adaptive Roadway Lighting and covers alternate luminaire technologies that can be used to reduce power consumption and improve overall efficiency.
View a copy of the article and please visit the IMSA Web Site.
Related Reports