ASHRAE Journal - May 2013 - 60
2013 Technology Award Case Studies
The reduced size of HVAC equipment
from the use of natural ventilation and radiant floors allows for less maintenance.
Using the ventilation fans for smoke
control removes potential fan-generated
noise away from the classrooms.
Energy Use
The predicted energy use from the energy modeling completed by Interface
Engineering using eQuest was predicted
at an EUI of 26.4 kBtu/ft2·yr (297 553
kJ/[m2·yr]). The reported energy use by
City College indicated a realized EUI
of 28.1 kBtu/ft2·yr (319 131 kJ/[m2·yr])
(approximately a 6.4% deviation between actual and modeled).
Energy use is shown in Table 1 with
kWh rounded to the nearest 100.
Conclusion
The team delivered the facility at no
additional cost compared to a standard
building with traditional HVAC systems.
The building’s lack of air handlers and air-
60
ASHRAE Journal
distribution mechanical rooms reduces the
need for penthouse or mechanical room
space. Also, the building only needed approximately 10% of the shaft space required for a similar traditionally designed
building. The dual-purpose atrium smoke
removal system and building integrated
photovoltaics further reduce the building’s
cost and energy consumption.
Finally, the construction team worked
with the owners, designers, engineers and
government agencies early to collaborate
on phasing, logistics, constructability,
approvals, quality and sustainability. An
open-book bidding process, building information modeling, phased construction,
and integrated methodologies for state approvals added value to the project.
Acknowledgments
The author wishes to acknowledge the
architectural design team of Pfau Long
Architecture and SVT/VBN, and the construction manager at Risk Bovis Lend
Lease.
www.info.hotims.com/44632-32
August 2010
67,200 kWh
September 2010
48,000 kWh
October 2010
72,000 kWh
November 2010
76,800 kWh
December 2010
57,600 kWh
January 2011
43,200 kWh
February 2011 134,400 kWh*
March 2011
81,600 kWh
April 2011
72,000 kWh
May 2011
76,800 kWh
June 2011
67,200 kWh
July 2011
67,200 kWh
*We believe this was inaccurate reporting
or anomaly that did not marry up to any
specific weather pattern. It was never
determined why this one month was so
different than the rest.
Table 1: Actual reported energy use.
May 2013
ASHRAE Journal - May 2013
Table of Contents for the Digital Edition of ASHRAE Journal - May 2013
ASHRAE Journal - May 2013
Contents
Commentary
Industry News
Letters
Meetings and Shows
Feature Articles
VAV Reheat Versus Active Chilled Beams & DOAS
A Stable Whole Building Performance Method for Standard 90.1
Technology Award Case Studies:
PSU Design Build Project
Passive Cooling for School
Standing Columns
Building Sciences
InfoCenter
Refrigeration Applications
IAQ Applications
Engineer's Notebook
Products
Data Centers
Emerging Technologies
Classified Advertising
Advertisers Index
ASHRAE Journal - May 2013 - ASHRAE Journal - May 2013
ASHRAE Journal - May 2013 - Cover2
ASHRAE Journal - May 2013 - 1
ASHRAE Journal - May 2013 - 2
ASHRAE Journal - May 2013 - Contents
ASHRAE Journal - May 2013 - Commentary
ASHRAE Journal - May 2013 - 5
ASHRAE Journal - May 2013 - Industry News
ASHRAE Journal - May 2013 - 7
ASHRAE Journal - May 2013 - 8
ASHRAE Journal - May 2013 - 9
ASHRAE Journal - May 2013 - 10
ASHRAE Journal - May 2013 - 11
ASHRAE Journal - May 2013 - 12
ASHRAE Journal - May 2013 - 13
ASHRAE Journal - May 2013 - Letters
ASHRAE Journal - May 2013 - 15
ASHRAE Journal - May 2013 - Meetings and Shows
ASHRAE Journal - May 2013 - 17
ASHRAE Journal - May 2013 - VAV Reheat Versus Active Chilled Beams & DOAS
ASHRAE Journal - May 2013 - 19
ASHRAE Journal - May 2013 - 20
ASHRAE Journal - May 2013 - 21
ASHRAE Journal - May 2013 - 22
ASHRAE Journal - May 2013 - 23
ASHRAE Journal - May 2013 - 24
ASHRAE Journal - May 2013 - 25
ASHRAE Journal - May 2013 - 26
ASHRAE Journal - May 2013 - 27
ASHRAE Journal - May 2013 - 28
ASHRAE Journal - May 2013 - 29
ASHRAE Journal - May 2013 - 30
ASHRAE Journal - May 2013 - 31
ASHRAE Journal - May 2013 - 32
ASHRAE Journal - May 2013 - A Stable Whole Building Performance Method for Standard 90.1
ASHRAE Journal - May 2013 - 34
ASHRAE Journal - May 2013 - 35
ASHRAE Journal - May 2013 - 36
ASHRAE Journal - May 2013 - 37
ASHRAE Journal - May 2013 - 38
ASHRAE Journal - May 2013 - 39
ASHRAE Journal - May 2013 - 40
ASHRAE Journal - May 2013 - 41
ASHRAE Journal - May 2013 - 42
ASHRAE Journal - May 2013 - 43
ASHRAE Journal - May 2013 - 44
ASHRAE Journal - May 2013 - 45
ASHRAE Journal - May 2013 - PSU Design Build Project
ASHRAE Journal - May 2013 - 47
ASHRAE Journal - May 2013 - 48
ASHRAE Journal - May 2013 - 49
ASHRAE Journal - May 2013 - 50
ASHRAE Journal - May 2013 - 51
ASHRAE Journal - May 2013 - 52
ASHRAE Journal - May 2013 - 53
ASHRAE Journal - May 2013 - Passive Cooling for School
ASHRAE Journal - May 2013 - 55
ASHRAE Journal - May 2013 - 56
ASHRAE Journal - May 2013 - 57
ASHRAE Journal - May 2013 - 58
ASHRAE Journal - May 2013 - 59
ASHRAE Journal - May 2013 - 60
ASHRAE Journal - May 2013 - 61
ASHRAE Journal - May 2013 - Building Sciences
ASHRAE Journal - May 2013 - 63
ASHRAE Journal - May 2013 - 64
ASHRAE Journal - May 2013 - 65
ASHRAE Journal - May 2013 - 66
ASHRAE Journal - May 2013 - 67
ASHRAE Journal - May 2013 - 68
ASHRAE Journal - May 2013 - 69
ASHRAE Journal - May 2013 - InfoCenter
ASHRAE Journal - May 2013 - 71
ASHRAE Journal - May 2013 - 72
ASHRAE Journal - May 2013 - 73
ASHRAE Journal - May 2013 - 74
ASHRAE Journal - May 2013 - Refrigeration Applications
ASHRAE Journal - May 2013 - 76
ASHRAE Journal - May 2013 - 77
ASHRAE Journal - May 2013 - IAQ Applications
ASHRAE Journal - May 2013 - 79
ASHRAE Journal - May 2013 - 80
ASHRAE Journal - May 2013 - 81
ASHRAE Journal - May 2013 - 82
ASHRAE Journal - May 2013 - 83
ASHRAE Journal - May 2013 - Engineer's Notebook
ASHRAE Journal - May 2013 - 85
ASHRAE Journal - May 2013 - Products
ASHRAE Journal - May 2013 - 87
ASHRAE Journal - May 2013 - Data Centers
ASHRAE Journal - May 2013 - 89
ASHRAE Journal - May 2013 - 90
ASHRAE Journal - May 2013 - 91
ASHRAE Journal - May 2013 - Emerging Technologies
ASHRAE Journal - May 2013 - 93
ASHRAE Journal - May 2013 - 94
ASHRAE Journal - May 2013 - Classified Advertising
ASHRAE Journal - May 2013 - Advertisers Index
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ASHRAE Journal - May 2013 - Cover4
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