The National Fire Protection Association (NFPA) and International Building Code (IBC) mandated that emergency lighting ensure sufficient light along the path of egress in the event of a power outage or other emergency. Although this is typically the domain of electrical engineers, many lighting designers and architects prefer to meet these requirements with aesthetic solutions that fit into the building’s overall design.

Dedicated emergency lighting, however, is often seen as utilitarian, obtrusive and even ugly. One of the most common, low-cost options involves two lamps and a bulky battery pack that is often referred to as a “bug-eye” light.

Fortunately, More Stylish Options Exist

At the top of this list is incorporating existing architectural lighting in the emergency lighting plan. In this approach, the architectural lights operate as normal. If utility power is lost, however, supplemental power can be supplied via an inverter.

“Our goal, if at all possible, is to have the architectural lighting system also double as the emergency lighting system,” said John Decker, IALD, principal, of Valencia, Calif.-based Lighting Design Studio, a multidisciplinary firm.

While this approach is ideal, there are many situations in which the existing lighting will not provide the requisite illumination along the entire path. When this occurs, lighting designers often seek out more high-end, stylish fixtures. Even such items as bug-eyes and exit signs are available in more aesthetic versions.

“The look is very important,” said Decker. “It may seem small, but it could make a difference in how you experience that space and everything is ‘an experience’ with architecture,” explained Decker. “So we try and find aesthetic alternatives to maintain the beauty of the space while still meeting code requirements.”

Stylish Emergency Lights

Although typically the responsibility of electrical engineers, Decker said this doesn’t mean architects and lighting designers do not have a role to play. He often reviews and comments on proposed emergency lighting solutions.

When a modern, streamlined look is required, Decker said he often recommends products from emergency lighting manufacturers, such as Isolite, that specialize in high-end alternatives. This can include more stylish versions of bug-eye lights as well as a variety of options that keep emergency lighting out of view until needed. This includes lighting that remains fully recessed behind two flat panel doors that open only when power is lost. Some are even designed to blend in with the existing décor by being painted or covered with wallpaper.

“The [more stylish] products look so nice and clean,” said Decker. “You don’t have to see a bug-eye on the wall, but in emergency loss of power, the doors open and the lamps pop out to do their work.”

Recessed LED emergency lighting mounted 18 inches above the floor is another option. The lights are directed towards the floor to more effectively illuminate the path of egress than traditional ceiling or wall-mounted emergency lights. “Lighting the path of egress from a lower vantage point makes sense in situations where there is a fire because all the smoke rises, and [if it were higher], it could block some of the light,” said Decker.

To read the entire article, check out the November/December issue of School Construction News.

Bill Lynch is president of Berwyn, Pa.-headquartered Isolite, an independent emergency lighting manufacturer focused on providing energy-efficient life safety solutions to North American and global markets.

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CCSD hired McKinstry in May of 2016 to perform a district-wide audit of all school facilities to look for energy-saving measures. This audit, paid for by the Nevada Governor’s Office of Energy (GOE) Performance Contract Audit Assistance Program, identified potential improvements that would save the district in utility and operational costs. The planned improvements will allow for more even heating and cooling of classrooms, improvement of overall ventilation, improved light quality and better functioning of equipment with fewer repairs. Among the targeted improvements is the replacement of existing light bulbs with LED technology.

The CCSD operations department is currently tasked with changing nearly every bulb in the district to energy-efficient LED lighting — part of a $6 million undertaking financed through McKinstry, according to Mark Korinek, CCSD operations director, in a recent interview with CarsonNow.org. “The energy side is over $2 million of LED light retrofit at every school in the district,” said Korinek.

The district’s LED upgrade is expected to save 1.4 million kilowatt hours after about 26,000 new bulbs are installed. In addition to updating all light fixtures, the district’s improvements will include water conservation measures meant to reduce waste and usage. McKinstry has estimated that about 4.5 million gallons of water will be saved with the planned upgrades. Additionally, three elementary schools will be receiving trash compactors to help reduce the volume of garbage.

These upgrades are part of a series of improvements that the school has made over the years to improve on energy expenditures and to currently have the lowest energy expenditures of any other public school district in the state, according to The Nevada Department of Education. The school’s current energy-usage rating as measured by the energy usage index (EUI) is 46. The school intends to lower that rating into the thirties, which is “almost unheard of,” according to Korinek.

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The building was originally built in 1963 when Old Martin Hall was demolished due to old age and deterioration. Martin Hall (old and new) serve as the primary administrative building where the Registrar’s Office, Admissions, Enrollment Management, Scholarship Office and Graduate School are located. With the exception of renovations of individual suites in the building, Martin Hall “hasn’t been touched” since it was first built, according to Bill Crist, director of facility management at UL. In addition to the work yet to be completed this summer, UL has spent the past few months removing asbestos that still remained in the building, and made repairs to the roof earlier this year.

Much of the work on Martin Hall has to be completed over the weekends and must be staged around the occupancy of the building, according to Crist, as the building is otherwise fully functional throughout the course of the entire year — summer being no exception. “What we’ve had to do is complete the work one hallway at a time over the weekends,” said Crist. “We start work on a Friday afternoon and have it done by Sunday night so nobody is endangered or inconvenienced.”

While the university waited close to 60 years to make updates to Martin Hall, renovation is not a new concept on campus. Fifteen new buildings have been constructed on campus over the past four years, according to Crist, including the new LEED Silver–certified Student Union, which was completed in spring of 2015. The long delay on updates to Martin Hall are simply “a matter of budget and priorities,” according to Crist, with administrative buildings simply not being as high of a priority as student or academic-related spaces. “We generally prioritize our student areas first, but at the end of the day, these things still need taking care of.”

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In today’s fast-paced operating environment, the smart use of resources is a must for successful organizations, particularly schools, which are typically under pressure to balance rising costs with ever-tightening budgets. The good news is that easy opportunities to impact the bottom line probably exist right in your school’s lighting system. With lighting costs accounting for as much as 30 to 40 percent of the average school’s total energy expenses, lighting upgrades involving high-performing and energy-efficient LED retrofits can be a quick-to-implement means of improving your school’s lighting quality and performance while significantly reducing operating costs.

According to the Institute of Education Services, the average public school in the U.S. was built in the 1950s-1960s, implying that it likely contains opportunities to upgrade its lighting to more modern, energy-efficient technology. Most facility professionals have experienced the fallout of this reality — with a single team often responsible for maintaining multiple schools within a district, personnel are typically caught running from school to school to address bulb and ballast change outs, flickering fixtures, fluorescent and HID lamp disposal issues, and other lighting maintenance needs, often in highly-trafficked or other difficult-to-access locations.

At the same time, and often due to the challenges of reduced staffing, maintenance personnel sometimes elect to replace all of the lamps and ballasts in an open fixture even though some of the change outs aren’t necessary in order to save time and money, which can result in the inefficient use of lighting resources.

LEDs: A Smart Choice for Schools

Long considered “the future of lighting,” LED technology has advanced dramatically in the past five to 10 years and has become a proven new lighting standard in commercial, industrial, retail and educational facilities nationwide based on its performance, energy efficiency and long life. In the average classroom, hallway, or cafeteria, LED alternatives are readily available and deliver better lighting output with up to 50 percent or greater energy savings, life expectancies that are warrantied to last two to four times longer, and minimal lumen depreciation. If you are looking to upgrade your school with new LED lights, you can also look into getting high bay fixtures fitted to give the illusion of a longer range, maybe in the sports hall and also update the school’s look.

With their acrylic lenses, LEDs are safer and more durable than many of their conventional glass-enclosed counterparts, while their pricing has declined dramatically such that today’s LED upgrades can routinely deliver payback periods in under one to three years, especially when subsidized by any of the numerous utility rebates available on LED products nationwide. Overall, their long-life, self-contained drivers mean significantly fewer surprises for maintenance personnel and allow the school to present a more environmentally friendly face to the community.

Case in Point: Mequon-Thiensville School District

In keeping with its consistent rank as one of the top K-12 school systems in the nation, the Mequon-Thiensville School District in Mequon, Wis., proactively pursues the utmost in quality, comfort and energy efficiency for the district’s three elementary schools, two middle schools, one high school and one community center.

Recently, a simple lighting upgrade using LED Troffer Retrofit Kits and LED T8 Lamps from Harvey, Ill.-based LED manufacturer Litetronics brought improved lighting quality, maintenance ease and sustainability to the school system’s one million square feet of facility floor space while significantly reducing energy consumption and costs.

Overall, “the look and feel of our lighting wasn’t uniform,” said Director of Facilities Kyle Thompson of the mix of T8 and T12 fluorescent lamps and incandescent technology present across the district’s largely 1950s-era buildings. “Some areas were underlit, others were overlit, and the lamps were different colors, all of which made for poor aesthetics that were also wasting energy.”

In 2015, the operations team attacked this problem with a lighting upgrade involving Litetronics’ Troffer Retrofit Kit, a unique 85,000-hour retrofit solution that quickly upgrades a standard fluorescent troffer to powerful, long-lasting and highly-efficient LED technology. Where appropriate, this technology was also complemented with Litetronics’ Plug & Play LED T8 lamps, which fit directly into existing linear fluorescent fixtures and deliver long 50,000-hour life.

According to Thompson, the results of the upgrade made an indelible mark on the facilities. “We’re enjoying a 2.8-year payback on the energy savings alone, not to mention the maintenance savings,” Thompson said. “In addition, we’re securing better and more consistent light because the LEDs don’t lose light output over time. We can’t wait to complete other upgrades throughout our buildings and I’d upgrade every light tomorrow if we could.”

The Time is Now

For schools looking to make the switch to LED technology, here are some tips to help ensure a successful transition:

• Conduct an Audit – Reach out to a qualified lighting professional to conduct an audit of the lighting upgrade opportunity in your facility. There’s no better way to secure the buy-in and support of your administration than through a detailed analysis of your facility’s very own consumption data, which will also include recommendations on the best LED solutions for your application(s) as well as the aesthetic and economic benefits they’ll deliver to your bottom line.

• Do a Mock-Up – Once you’ve secured your team’s support, sample the new lighting design by doing a mock-up with some of the actual LED solutions proposed.

• Capitalize on a Rebate – Litetronics proposals include all local utility rebate information and schools are encouraged to investigate the availability of these incentives with their own utility. Whether offered in a ‘prescriptive’ or ‘customized’ format, utility rebates, if available, can make a big impact on the bottom line by further improving ROIs and accelerating project payback periods.

• Conduct the Upgrade – Whether performed by a qualified outside contractor or your own in-house maintenance team, LED upgrades can be done after school hours, on weekends, or during the summer to minimize disruptions to school operations and will then free up previously time-challenged maintenance personnel to work on other projects of benefit to students and faculty.

• Consider the Capital Options – Though LED upgrades are one of the most attractive financial investments available to facilities today, limited funding in the typical cash-strapped school system can make even this highly-appealing option a hard sell for many facility professionals. Schools that are unable to fund the cost of a system-wide lighting upgrade project out of their capital budget should consider doing one facility or even just part of a facility at a time (perhaps those areas with the greatest lighting usage, such as school offices or other spaces that are used year-round, etc.).

Schools can also consider using the rebate dollars they receive from one project to help fund their next upgrade, or simply keep a stock of products hand to replace older lighting as needed and take advantage of energy and maintenance savings on a fixture-by-fixture basis.

Overall, based on their size, operating conditions, and known operating challenges, schools represent great opportunities for energy-efficient lighting upgrades. The time is now to embrace the energy and cost savings, maintenance reductions and quality improvements that an LED upgrade can provide.

Jim Ouellette is the regional vice president of sales, South, for Litetronics and can be reached at jouellette@litetronics.com. Ryan Berlin is the managing partner of Blythewood, S.C.-based S.L. Hulett & Associates, a manufacturer’s representative which represents the Litetronics line of lighting products, and can be reached at ryan@slhulett.com.

This story was first published in the May issue of School Construction News. Check out a video of the Mequon-Thiensville School District lighting upgrade project at www.schoolconstructionnews.com.

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