Articles

A Model for Sustainable Design

 
The power of BIM for green buildings
 
In the past decade, the number and variety of technologies developed for building design and construction is astounding.  At the same time, the movement toward green building design and construction has taken off exponentially. One of the most dynamic and powerful tools that brings technology and sustainability together is building information modeling, known as BIM.
 
BIM is a virtual representation of the physical and functional characteristics of an entire facility, campus, or even site.  As a digital repository of information about a location, it provides an invaluable tool for designers and facility managers throughout the life of a facility. So how does BIM help with sustainability? 

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7 Steps to Successful Facility Inspections

 
Keep cash from flowing out of your buildings with this approach to inspections and preventive maintenance
 
I fired my first boiler in the U.S. Navy in 1968. In 1983, when I moved from power plants to the facilities industry, I recognized that facilities operated in a more reactive mode, with trouble calls coming in day and night. Moreover, preventive maintenance received a lower priority.

A regular routine for inspecting equipment improves preventive maintenance and reduces expenses. Over the years I’ve developed a seven-step process that I use on a variety of facilities, including schools.

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Geothermal systems generate green heat

 
As more campuses consider sustainable design and LEED certification for facilities, one technology that has seen increased interest is ground-source heat pump systems or GSHP systems. GHSP systems are traditionally used for space heating and cooling, and also domestic hot water heating. Geothermal systems work by using the earth’s surface to alternately heat and cool water, depending on the time of year.

The basic components of the GSHP system are a loop field, heat pumps, and a piping loop throughout the building’s interior mechanical space. A loop field is a heat exchanger that is installed in the ground adjacent to a building. Specific types of heat pumps must be used since they require an extended temperature range for proper operation.

Although GSHP systems have higher initial costs, their operating costs can be up to 40 percent lower than a conventional heating or cooling system—more than recovering the initial investment costs over the life of the system. The maintenance costs are also typically lower than conventional systems since there is less equipment installed at the facility. This is due to the loop field essentially replacing heating and cooling generating equipment, such as boilers, cooling towers, and chillers.

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Ithaca forges ahead with country’s first sustainable master plan

 
When people think of “green” infrastructure, they rarely think of aviation. Airplanes and related operations activities are often viewed as significant sources of air emissions and other negative environmental impacts. In the past few years, airports nationwide have made significant strides in addressing their carbon footprints. Innovative projects have combatted everything from emissions to water usage to energy consumption. Several airports even have LEED-Certified facilities.

One airport that is breaking new ground is Ithaca Tompkins Regional Airport in Ithaca, NY. The airport is making a name for itself by becoming the first in the country to develop a master plan that fully incorporates sustainability into the planning process. Located in a community known for its support of environmentalism, and home to world-class sustainability research and educational resources at nearby Cornell University and Ithaca College, this innovative project was a natural fit.

The airport already engaged in a number of sustainable practices, including using energy-efficient fixtures and recycling cooking oil in the cafeteria. So when the time came to look at a master plan update, airport manager Robert Nicholas and C&S came up with a new concept of truly integrating sustainability into the process.

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Capital planning across the life-cycle


With a lifespan of 50 to 100 years, a facility is a very long-term asset for an organization. Because of this, comprehending the impact that today’s decisions can have on costs and maintenance years into the future can be difficult. Unless capital planning considers a facility’s life span, what seem like gains today could actually become liabilities over the long term. For example, repairing instead of replacing a major piece of equipment might be less expensive now, but could end up costing significantly more in energy costs over the years compared to new equipment that is more efficient. Facility managers can make sure their buildings will remain assets instead of becoming obstacles by using a life-cycle approach to facility planning.
 
Facility capital planning and management is often driven by immediate condition problems and up-front costs. Waiting until an issue is urgent before addressing it means that an owner is constantly moving from failing condition to failing condition instead of planning for the most efficient and effective solution. Being able to forecast and proactively address capital costs gives managers the time to assess long-term goals and impacts, and offers more flexibility to react to changes. The best way to transition to a life-cycle approach is with a facility life-cycle analysis. The analysis assembles the information, prioritizes the requirements, and develops the tools needed to launch an organization into facility life-cycle planning and management. The three-phase process consists of assessment, analysis, and planning.

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