11/01/2007

Maximizing ROI in an Integrated BMS

By making the most of building management systems, building managers have the opportunity to improve employee productivity and save capital and operating expenditures

By Cliff Holbeck

 

Advanced Control Applications
A BMS can perform a number of advanced applications, often with only software changes:

  • Follow Sunrise and Sunset. A BMS computes sunrise and sunset based on the building's latitude and longitude, and varies lighting schedules (such as for parking lots, signs, and outdoor access lighting) throughout the year as the length of daylight changes.
  • Demand Limiting or Load Shedding. A BMS monitors electric meters and current draw on high-demand equipment, and then relaxes setpoints to immediately reduce demand. This allows the facility to shed electric load to avoid peak utility charges.
  • Remote Data Access. Properties spread over different geographical locations can be interconnected so managers can access real-time data over the Internet to be used for remote monitoring, facility management, analysis, and control.

A state-of-the-art building management system (BMS) enables superior integration between systems, including information technology (IT), sophisticated single-point-of-control security, and ongoing energy cost savings for the life of the building.

Today, the BMS not only maintains specifications for heating, cooling, and ventilation, but also supports energy conservation and emergency-response procedures, and even monitors independent power supplies. Sophisticated security systems that combine access controls and closed-circuit television also work in concert with the BMS. A BMS enables employees and occupants of a facility to be more productive. Investing in a BMS can save more than 14 percent in annual costs measured in lost productivity, according to studies by the Atlanta-based American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE).

Integrating environmental, emergency, and security into a single BMS decreases expenses by allowing operators to drive performance metrics in complete alignment with business objectives for entire buildings, campuses, and multi-regional facilities. This integration can save up to 24 percent in capital expenditures for installation and 35 percent in operating expenditures over time. An integrated BMS even has the design flexibility to allow moves, additions, and changes to commercial office layouts or usage patterns without additional investment in the system.

Energy conservation can be administered with a comprehensive plan tied to occupancy and usage based on integrated access control and environmental systems. Environmental systems can also react to security and emergency requirements through automatic shutdown procedures based on preset specifications.

An integrated BMS allows for the convergence of facilities management and IT through a common IP network, which avoids duplicating multiple networks and operating environments. Additionally, technology advancements allow the BMS to be integrated into the existing IT infrastructure, enabling smooth BMS upgrades and extending building controls to other business systems. These systems benefit from centralized monitoring and synchronization with environmental, emergency, and security systems.

According to studies by the Converged Building Technologies Group (CBTG), the payback of a fully integrated approach to the BMS and IT begins in the early stages of installation and continues throughout the life-cycle of the systems. For example, having one team for project design and development eliminates communications problems in organizing and scheduling the project.

Integrating security and systems with fire alarms and public address and evacuation systems on the same network with the BMS saves 35 percent of installation costs. Combining closed-circuit television with the BMS on this same network saves another 24 percent, CBTG research explains. Over a 30-year life-cycle for an integrated building, operational costs are reduced by an additional 35 percent per year.

Using an integrated BMS to manage the facility increases employee productivity and saves energy and operating costs. The good news for building managers, who are entrusted to optimize the performance of commercial buildings, is that there are more opportunities than ever before to maximize return on investment in an integrated BMS. 

Cliff Holbeck is business development manager with Carrollton, TX-based TAC (www.tac.com), a world leader in building automation, security systems, and energy services.

 


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Visit our website today to learn about the design flexibility of a Morton building and the endless possibilities of partnering with our designBUILD team.


Wood construction is both cost and energy efficient. Check out Morton Buildings and our designBUILD team online today to discover all the benefits of post-frame construction.


When choosing a metal-clad building for your next construction project, consider Morton Buildings, Inc., and their designBUILD team, we’ll make your dream a reality.

We Can Help You Reduce Energy by 30%

Our mission is to help our customers manage their buildings' energy costs, improve reliability, and enhance performance while having a positive impact on the environment.
CLICK HERE to find out how.

 


Tennant Company is a recognized leader in designing, manufacturing and marketing solutions that help create a cleaner, safer, healthier world. With thousands of satisfied customers already using award winning ec-H2O technology, why not see what you're missing? Test ec-H2O on your soils in your facility. Get a free demo.


Tennant Company is a recognized leader in designing, manufacturing and marketing solutions that help create a cleaner, safer, healthier world. With thousands of satisfied customers already using award winning ec-H2O technology, why not see what you're missing? Test ec-H2O on your soils in your facility. Get a free demo.

 

Replace core drilling with Connectrac In-Carpet and On-Floor Wireways, the proven connectivity solution in open interior spaces of all kinds. These elegant low-profile wireways are great for AV / telecom connectivity wherever it’s needed.

 

Add highly responsive multi-zone comfort to any building project, in any climate. Our CITY MULTI H2i R2- and Y-Series VRF systems give you flexibility to fit the needs of any building. Enjoy 100% heating capacity at 0°F outdoor ambient, and 85% heating capacity at -13°F outdoor ambient.  For more information, log on to www.mitsubishipro.com


 
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