Effective Tracking of Building Energy Use Improving the Commercial Buildings and Residential Energy Consumption Surveys (2012) / Chapter Skim
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3 Commercial Buildings Energy Consumption Survey Program History and Design
3 Commercial Buildings Energy Consumption Survey Program History and Design
Pages 27-34
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From page 27... ...
Both the scope of the survey and the approach to data collection have evolved over the years, driven mostly by practical considerations. Table 3-1 summarizes the history of the survey, which started out with a design that aimed to represent all nonresidential buildings in the four census regions and has moved to a more focused approach that includes only buildings that are predominantly commercial in nature (50 percent or more of the floor space)
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From page 28... ...
. The sample was based on a nonresidential building sample that had been developed by the data collection contractor for another survey.
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From page 29... ...
During the first stage of the data collection, interviewers visit the buildings selected into the sample and ask a representative, such as the building's owner, manager, or other knowledgeable person, to complete the survey. During the second stage of the data collection, the energy suppliers (e.g.
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From page 30... ...
30 EFFECTIVE TRACKING OF BUILDING ENERGY USE BOX 3-1 2003 CBECS Building Questionnaire Main Topics Building size and age Square footage Building structure Floors Escalators and elevators Year of construction Principal building activity Building activity or activities Specific building activity Building capacities Multibuilding complex information Occupancy and operating hours Building ownership Number of occupants Vacant space Hours in use Employees Energy sources, end uses, and equipment Energy end uses Energy sources Heating sources Heating equipment Cooling sources Cooling equipment Heating/cooling system conservation features Water heating sources Water heating equipment Cooking sources Manufacturing sources Electricity generation Electricity/natural gas purchasing Bottled gas/LPG/propane usage Wood usage
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From page 31... ...
Fuel oil usage Fuel oil consumption Fuel oil expenditures Fuel oil supplier(s) District steam usage District steam consumption District steam expenditures District steam supplier(s)
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From page 32... ...
Exceptions to the building-level energy-supply model can and do cause coverage problems, for example, in cases where tenants in a shopping mall receive their power individually or cases where energy is delivered to an entity larger than a building, such as a college campus. This led EIA to experiment with slightly different data collection procedures for shopping malls and college campuses and to customize questionnaires for establishments within a mall as well as for a mall manager who can provide information about the building overall.
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From page 33... ...
In the final step a sample of buildings was randomly selected from each stratum. The sampling frame is updated from one data collection to the next in order to account for changes, such as new construction.
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From page 34... ...
Since 1995, however, it has been conducted using computer-assisted personal interviewing. The 1999 data collection was an exception because, in an effort to control costs, it was done by computer-assisted telephone interviewing.
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