Power U: As Utility Power Outages Rise, 3 Universities Keep Emergency Backup Costs Down

 

ESL Emergency Power Case Study Image

Emergency Backup Case Study

May 2019

Client Profiles

Auburn University

Built in 1969, the Haley Center at Auburn University is home to the College of Education classrooms, bookstore, administrative offices, computer labs, and a dining hall. As the tallest building on campus, it has a labyrinth of corridors that regularly confuse new students. It houses the main power source and backup generator for campus-wide life-safety systems. Because of this, the system and its backup generator must be tested regularly.

“At Auburn University, options for temporarily shutting down power can be limited. Sometimes it’s hard to schedule an outage because it affects so many people due to the critical nature of the building’s services and functions. That’s why AU needs a way to load bank or test an emergency backup generator quickly and efficiently, with minimal downtime.”

– Adam Mills, Project Engineer
    Mills-Conoly Engineering
    Montgomery, Ala.

A New Hampshire college

A New Hampshire college distributes its own power to select campus areas, including its renovated, main dining commons. The institution’s engineering and utilities team recently installed a large, new backup generator at the facility. The engineers know that in order to comply with NEC 2017 700.3(F) the system must include a provision to connect a portable backup generator.

“We test our generators under load weekly – which is more frequently than code requires. Some of our generators aren’t loaded adequately, and some don’t have an MTS installed. When we bring in a portable generator or load bank, at times we have to tear apart the wiring to hard-connect the portable unit, which means we have to close the building because emergency backup power isn’t available during maintenance. It’d be a lot easier if we’d install transfer switches that allow us to switch to and from temporary equipment.”

– Laura A. Black, Electrical Engineer
    Hanover, N.H.

A leading North Carolina university

The fuel pump failed on a permanent backup generator at a public television center for a leading North Carolina university. Fixing it meant leaving the facility without backup power in the event of an emergency. Before starting the repair, engineers looked for a better way to hook up a backup generator during future emergencies and discovered this also meant installing a manual transfer switch.

“We like to spec backup-power products that are straightforward and easy for our clients to use. Equipment needs to be clearly marked and require minimal training to operate. It’s important to us because, when there’s an outage, we don’t want to leave users searching for a manual in the dark to get the power back on.”

– Addison M. Dee, PE, Electrical Project Engineer
    McKim & Creed, Inc.
    Raleigh, N.C.

Choices

Permanent or portable? The growing challenge of backup power generation at higher-education institutions

As centers of both education and community life, colleges and universities are challenged with meeting the needs of a diverse range of people and activities. From student housing and dining to classrooms and administrative offices, sports arenas and arts venues, medical facilities and research labs, assuring reliable backup power in the event of an emergency or outage is of paramount concern. The challenge becomes even greater when considering aging infrastructure, the rise of traditional and non-traditional students, and the emergence of extreme weather patterns that have led to an increase in power outages across the U.S.[1]

Guaranteeing uninterruptible backup power by installing a permanent generator and ATS, which are required for certain mission-critical applications and life-safety systems, requires costly, ongoing, special testing and maintenance. This is why many engineers specify provisions for quick connection of a load-bank testing unit and/or portable generator. The goal is to ensure standby systems are always ready and comply with regulatory testing requirements.

When making a decision about the best type of backup-power system for non-critical applications, where instantaneous power restoration isn’t required, the high cost and space requirements of a permanent generator often make portable power generation the best choice.

University challenges

  • Ensuring the safety and well-being of large numbers of academic and community users in a diverse range of operating facilities and situations
  • The expense and logistics of installing a permanent backup generator and automatic-transfer switch
  • Providing backup power to a permanent generator while down for maintenance or repair
  • Disruptions to campus life caused by outages when testing or servicing a permanent generator
  • Complying with NEC 2017 700.3(F), which requires built-in, temporary power-connection capabilities for an emergency system that relies on a single, alternate power source while the alternate source is disabled for maintenance or repair
  • Needing an electrician to switch from utility power to backup, and vice versa, to reduce the risk of back feeding or cross-connecting power sources
  • Time-consuming and inefficient rewiring to accommodate a portable load bank
  • Wet stacking and diesel-engine failure caused by repeated, insufficient loads while routinely exercising a permanent generator
  • Confusion as users rush to restore power when the lights are out

Solutions

Auburn University: Ensuring backup power to the life-safety system

Mills-Conoly Engineering is a professional engineering consultant to Auburn University. All four of its engineers have degrees in electrical engineering from the university. MCE specified the installation of an ESL Power Systems TripleSwitch™ to provide an easy connection to portable backup power for the life-safety system housed in the AU Haley Center. They installed a 300kW permanent backup generator along with a TripleSwitch that enables users to connect a temporary portable backup generator safely if the permanent generator goes offline.

With CAM-lock-connectors that allow users to connect a portable generator and load bank quickly, the mechanically interlocked TripleSwitch breakers provide a failsafe way to transition from utility power to backup generator or to test a load bank – without endangering users or infrastructure. Now the university’s life-safety system complies with NEC 2017 700.3(F), which requires a means of connecting a temporary alternate power source during maintenance. The new TripleSwitch enables Haley Center technicians to load-bank test the building’s main generator without disconnecting wires inside the permanent generator.

New Hampshire college: Retrofits and new installations

At the New Hampshire college, most buildings have dedicated, permanent backup generators for emergency and standby power. The school tests all generators with load banks annually, as required. Its engineering and utilities team has firsthand experience with generators that have problems due to engine wet stacking. They’ve learned the hard way that a proper, permanent load-banking capability eliminates the dirty job of cleaning out excess soot that collects in a lightly loaded generator’s diesel-exhaust system.

The institution prefers to install permanent manual-transfer switches and its performing arts center already had an outdoor, portable-generator docking station. Engineers opted to add a TripleSwitch because it assures temporary-source-of-power code compliance. Later, while renovating the dining commons, the NEC issue came up again. This time, however, the college requested installation of a TripleSwitch from the outset and now looks forward to capably installing automatically switched, permanent generators at other campus facilities.

Manual-transfer switching made easy at a North Carolina university television transmission site

MEP engineering consultants McKim & Creed work on projects for the state of North Carolina. The firm’s principal engineers have specified the installation of ESL TripleSwitch units in a number of educational settings, including an emergency-power system for a university public-television-station site in Research Triangle Park.

McKim & Creed opted to specify ESL Power Systems products for several reasons, and product simplicity was at the top of the list. Everything is clearly marked, which makes it easy for users to attach cables for a portable generator or load bank. There are no Kirk locks or keys. The engineers also like the fact that ESL is one of the few companies actively developing new products to comply with the NEC 2017 700.3(F) ‘Temporary Source of Power’ code. Finally, ESL makes the engineers’ jobs easier by responding quickly to technical questions about product applications and solutions. For McKim & Creed, that level of responsiveness is a big plus.

Actions

More universities are discovering the advantages of temporary/portable backup power

When it comes to providing on-campus backup power, administrators are faced with a simple question: ‘How fast is necessary?’ Does an application call for immediate, automatic backup power, the kind of critical-facility solution that requires installing a permanent backup generator and ATS, with the unavoidable expenditures, maintenance, and logistics? Or is there a simpler, less-expensive solution: portable, temporary backup power restored within minutes via an ESL StormSwitch™?

For many universities, in a variety of applications, one solution that addresses a number of different challenges is to plan for portable-backup power in the future by installing a manual-transfer switch today.

We’ve installed only ESL units and we can think of no reason to install anything else.

Caleb Cofield is a project manager with Electrical Technicians, Inc., an experienced industrial electrical contractor that serves the Auburn University campus. Caleb says, “We’ve installed at least three ESL manual transfer switches at AU recently. The StormSwitch is one of the most robust – and nice-looking – devices we install. It’s very well made. It’s well organized and it’s got plenty of room for pulling in multiple, parallel lines of conduit and wiring. We’ve installed only ESL units and we can think of no reason to install anything else.”

About us

ESL Power Systems, Inc. is the global leader in providing safety-interlocked power solutions for cord-connected devices. Since its inception in the early 1990s, ESL has become an innovator in designing and manufacturing top-quality electrical products including:

  • Manual transfer switches for emergency power
  • Electrical connecting devices for refrigerated containers and RTGs
  • Ship-to-shore power connection equipment
  • Company switches for set-stage applications
  • Shipyard power distribution equipment
  • Wayside power connection applications

As a certified small business, ESL is proud to offer solutions with the lowest cost of ownership in the industry. ESL demonstrates its continuous commitment to customers by delivering sound workmanship on time and within budget.

Download TripleSwitch Product Specifications

[1] ‘Power Outages On The Rise Across The U.S.,’ Inside Energy. Jordan Wirfs-Brock, 18 Aug. 2014.

ESL Announces “OSP” Special Seismic Certification

oshpd_seismic-certified

FOR IMMEDIATE RELEASE

ESL Announces OSHPD “OSP” Special Seismic Certification of StormSwitch™ and TripleSwitch™ Emergency Power Products

Date: March 25, 2019

Corona, CA — ESL Power Systems, Inc. now features Emergency Power connection equipment that is Special Seismic Certified from the California Office of Statewide Health Planning and Development (OSHPD). This approval is intended to assist specifiers in meeting NEC and local code requirements for seismic certification of emergency and standby power equipment in critical facilities.

“We determined that obtaining approval by OSHPD would provide enormous value in knowing  our core products have been shaker-table tested and certified to endure major earthquakes without fail” states ESL’s President Michael Hellmers.  In addition to offering pre-approved seismic emergency back-up products to help end users meet the strict OSHPD-requirements for projects based on the current California Building Code (2015), ESL’s Emergency power product line includes UL/cUL  1008 Listing up to 3000 amps  for manual transfer switches  and 3-way manual transfer switches.

Where hospitals and critical care facilities need back-up power they must choose equipment that is OSHPD certified; critical equipment not pre-approved will require 3rd party testing and projects will be delayed which translates into added costs. The OSHPD Special Seismic Certification (OSP) was created to help streamline and simplify hospital construction.

In addition, ESL’s StormSwitch™ and TripleSwitch™ are designed and tested in compliance with IBC 2015. For specific information on ESL’s OSHPD seismic certified emergency power equipment and to download Specifications for Engineers, visit eslpwr.com/oshpd.

Established in 1995, ESL specializes in engineered power distribution solutions that are safe to use and easy to operate. ESL’s line of emergency power connection equipment for commercial and industrial applications are UL/cUL 1008 Listed for StormSwitch™ – Manual Transfer Switches up to 3000A, TripleSwitch™ – 3-Way Manual Transfer Switches up to 3000A and TempTap™ – Generator Docking Stations up to 3200A.

As a certified small business, ESL is proud to provide Made in the USA solutions with the lowest cost of ownership in the industry. ESL demonstrates its continuous commitment to customers by delivering sound workmanship on time and within budget. For more information, visit eslpwr.com/oshpd.

###

Florida Legislation Ensures Preparations for Hurricane Season

2018 Hurricane Predictions

On March 26, 2018, Florida Gov. Rick Scott signed Legislation SB 7028 and HB 7099 requiring Florida state nursing homes and assisted living facilities to have an emergency backup generator capable of keeping facilities at 81 degrees Fahrenheit or lower for at least four days.

According to the new legislation, all Florida state facilities have until July 1, 2018 to comply with the new rule. As the 2018 hurricane season nears, Florida families can be reassured facilities responsible for caring for their loved ones will now be fully prepared ahead of any potential major storms.

 Emergency preparedness is a critical component to safeguarding our communities.

According to www.flgov.com’s news release announcement of the legislation, the goal is to “ensure that nursing homes and assisted living facilities are prepared for the start of the upcoming hurricane season. Florida faces an annual risk from Mother Nature, and these rules will help keep seniors safe during a possible devastating weather event or periods with prolonged power outage.”

The 2018 hurricane season is predicted to have 12 to 15 tropical storms. Of those storms, 6 to 8 are forecasted to become hurricanes and 3 to 5 forecasted to become major hurricanes (accuweather.com).

Emergency preparedness is a critical component to safeguarding our communities. ESL Power Systems can help with emergency readiness and recovery plans by providing the ability to connect or load test your backup power safely and quickly.

We would love to hear from you. If you have any questions or when you’re ready for a project quote, ESL is here to help. Just click the button below to contact us.

Prevent Backup Power Failure – Use UL 1008

Use UL 1008

To ensure the safest and most reliable transfer switch equipment is purchased, the UL 1008 requirement should be included into project specifications. Whoever is responsible for the transfer switch selection process should be aware of criteria that helps classify each UL Listing.

Why UL Listing Matters?

In order to minimize the chances of backup power failure, it is important to make sure that transfer switches and other electrical equipment are properly certified. The UL 1008 Listing is not just a transfer switch performance standard; it is an industry standard for design and construction certification. In order to receive a UL 1008 Listing, a transfer switch must undergo rigorous testing by the independent certification agency.

UL 1008 standard was established by Underwriters Laboratories to help protect against transfer switch dangers and failures. Since its inception, the UL Certification process and standard have been modified and updated on a regular basis. The 7th Edition of UL 1008, which became effective in 2014, resulted in significant changes to the short-circuit ratings shown on all transfer switch products within the industry.

The additional requirements now include:

  • Withstand and close on ratings (WCR) covering severe fault currents
  • Bolted faults and short circuits to ensure the device can carry rated currents
  • Endurance tests which record performance of the transfer switch at each ampere level

The File number is located on top of (or next to) the UL mark; which is identified with the letters “UL” inside a circle and the word “Listed.”

When a transfer switch has successfully passed all of UL’s tests, the manufacturer is then permitted to label qualifying products with the UL mark. The UL 1008 transfer switches are given one of three labels:

  • Non-automatic transfer switch
  • Automatic transfer switch
  • Transfer and bypass isolation switch

Know How to Identify the UL Mark

After passing the tests, UL Listed products are required to carry a marking to identify the Listed company. A (label on a) transfer switch can consist of the company name, a trade name or trademark, or the Listee’s UL file number.  The File number is located on top of (or next to) the UL mark; which is identified with the letters “UL” inside a circle and the word “Listed.”

Misconceptions with UL Certification

Knowing there is a lack of education in the market, many companies will state their device “meets UL standards.” This does not mean it was tested and is “UL Listed”.  When you are evaluating products, look for the logo and category code.  This code can be used to verify the listing and the standard to which it was evaluated.

Below is a list of common UL Listings associated with transfer switches and emergency power connection equipment.

UL 1008   Transfer Switch Equipment
UL 1008 is specifically designed for transfer switch equipment.  Products with a UL 1008 certification means the whole assembly is certified and has undergone rigorous testing to ensure performance, safety, and reliability.  Non-Automatic transfer switches that are Listed under the UL 1008 standard are evaluated in accordance with Articles 517-Health Care Facilities, 702-Optional Standby Systems of the National Electrical Code (ANSI/NFPA 70) and the National Fire Protection Association Standard for Health Care Facilities (ANSI/NFPA 99). The inspection process is also easier when emergency power transfer switch equipment is UL 1008 Listed.

UL 1773 Termination Boxes
This standard is intended for applications that are wired via terminals (usually permanent) and does not contain switching equipment.

UL 98 Enclosed Dead-Front Switches
The UL 98 standard applies to double throw or knife edge switches (air switches), and does not allow the incorporation of circuit breakers.

UL 67 Panelboards
This standard does not apply to transfer switch equipment. UL 67 covers panelboards for the control and protection of electric lighting and appliance branch circuits, and power circuits, including feeder distribution panelboards.

UL 50 Enclosures for Electrical Equipment, Non-Environmental Considerations
A UL 50 Listing only certifies that the actual box is UL Listed for a specific environmental condition (Type 1, Type 3R, etc.).  This does not mean that the whole assembly (enclosure plus components) has undergone testing for the intended application.

Let ESL make your job easy! Download our UL 1008 Listed Manual Transfer Switch specifications for engineers.

Are You Ready for the 2017 NEC Updates?

Have no fear, ESL is here! ESL’s TripleSwitch is 2017 NEC 700.3 (F) compliant when used in conjunction with an ATS.

According to 2017 NEC provision 700.3(F), legally required systems must be able to connect a temporary source of power for emergency systems which rely on a single alternate source of power which will be disabled for maintenance or repairs. It states, the emergency system shall include permanent switching means to connect a portable or temporary alternate source of power, which shall be available for the duration of the maintenance or repair1.

Watch our recent video to learn how the TripleSwitch has you covered!

 

 

  1. Source: NFPA’s 2017 National Electrical Code® Handbook

 

request info button