Q: Highlight design aspect of the building( Al-Sheraa (Dubai), Which is tallest,
ID: 1732801 • Letter: Q
Question
Q: Highlight design aspect of the building( Al-Sheraa (Dubai), Which is tallest, largest, and smartest net Zero Energy Building (ZEB) in the world),
that exemplifies being climate responsive and explain how that design approach is intended to be sustainable. Detail
1) how this design feature responds to the local climate,
2) how one could measure the performance of this feature using the tools available in Climate Consultant
3) how it exemplifies a green rating system of your choice (LEED, BREAM, Pearl, QSAS, Al Safat, etc.).
Explanation / Answer
1)
“The total built-up area of Al-Sheraa will be over 13.93ha. The building will have [more than 1.65ha] of photovoltaic solar panels to produce over 3,500 kilowatt.
“There will be more than 2,000m2 of building integrated photovoltaic (BIPV).
“Total renewable energy generated by the building will be over 5,400 megawatt hours (MW/h) annually.
“The building will have an energy utilization intensity (EUI) of 60 kW/m2 per year."
To reduce heat in the open courtyard, a sail design is used to provide shaded areas.
Natural light during the day will stream through specific openings in the sail, giving sufficient light without the associated heat.
The total energy used in the building during a year is equal to or less than the energy produced on site during that year.
2)
EPW (Energy Plus Weather) data is provided by the US
Department of Energy. Each EPW climate data file
contains hourly data for all 8760 hours per year. These
files were assembled by climatologists from actual
months of recorded data for that site. Although the
months might be selected from different years, the
objective was to make the average temperatures for the
EPW data year match the long term average data for the
site. Where possible the record temperatures in the EPW
file matched the average highest and average lowest
temperatures in the long-term statistics. To prevent
jumps in the data between months, special statistical
smoothing functions were used to modify data for three
days at the end of each month and the beginning of the
next. This approach tries to preserve the unique patterns
of actual data, sequences of extremes data, and recurring
weather patterns. Recorded long term radiation data is
rarely available for most sites so instead is calculated.
3)
LEED is currently the dominant system in the United States market and is
being adapted to multiple markets worldwide.
The currently available LEED rating systems address all of the GSA building and project types. A Product
Development and Maintenance Manual is publicly available which governs
how changes are made to the LEED rating systems.
The steps followed for the development of U.S. Green Building Council rating system products include
technical development by committee, pilot testing, public comment period,
approval by council membership, and then release for public use.
Documentation ofthe quantifiable sustainable design measures are provided to the U.S. Green
Building Council, the developer of the LEED® rating system, for third-party
verification. The assessors have been trained and must pass an assessor
examination.
GSA will determine which rating system is the most appropriate sustainable building
rating system available for evaluation of GSA projects using the following elements:
• A system that is applicable to the large scale and complexity of federal building
projects.
• A stable rating system such that the evaluation of building performance is not
subject to drastic change.
• A system which tracks quantifiable achievements in sustainable design and is
third party verified by a qualified assessor.
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