ASHRAE Journal - September 2011 - 61
for water closet flushing to further reduce water consumption. Similarly, multiple rain gardens are located throughout the site to recharge the ground water system and minimize the amount of storm water runoff discharged to the sewer system. Overall, water reuse on campus is approximately 600,000 gallons (2 271 246 L), while low flow fixtures have reduced water use by 1.1 million gallons (41 639 510 L) for a total reduction of 1.7 million gallons (64 351 970 L) of water annually. A large PV field was provided on site above the geothermal field and a second PV array was provided on the roof of Building 3 to reduce the energy requirements of the campus further. The combined 385 kW solar PV system is entirely consumed by the campus, is Wisconsin’s second largest installation and provides approximately 477,117 kWh (approximately $33,000) per year of renewable energy. For the remainder of the power required that is not generated on site, the campus purchases renewable energy credits from a local utility each month. According to the Cleaner and Greener emission reductions calculator, thousands of pounds of harmful emissions can be avoided in the Milwaukee and Wisconsin areas. The use of the solar PV system will offset 375 tons of greenhouse gases (CO2); 1,891 pounds of NOx; 4,437 pounds of SO2; and 7,888 mg of mercury per year from utilities in Wisconsin. Similarly, the solar thermal system will offset 33,216 pounds of CO2 per year and 43 pounds of NOx per year in the Milwaukee area.
needed for office remodels. A benefit of the geothermal field is that cooling tower maintenance is virtually eliminated, which also reduces the need for chemical treatment in the towers, filling and draining the towers, and fan/equipment maintenance. To maintain the campus operation as designed, commissioning continues to be conducted, as sensors and controls are under a continuous maintenance procedure and the chillers are analyzed on a yearly basis to ensure the units maintain operation at peak efficiency.
Operation and Maintenance
Operation of the campus is controlled by its own controls, equipment and staff. The direct digital control (DDC) system is programmed to provide a fully functional building with the ability to modify and adjust setpoints in-house or remotely. A conference room within the Power Solutions Building is dedicated to the operation of the control system, including the ability to observe, adjust and control multiple Johnson Controls facilities globally. All refrigeration and heating systems are centralized in the lower level mechanical room to simplify maintenance. The use of the raised floor system is also beneficial to the maintenance of the MEP systems, as floor tiles can be moved and underfloor VAV boxes and floor grilles can be adjusted as
September 2011
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ASHRAE Journal - September 2011
Table of Contents for the Digital Edition of ASHRAE Journal - September 2011
Contents
Commentary
Industry News
Meetings and Shows
Feature Articles
Adsorption Refrigeration: New Opportunities for Solar
Optimizing Design & Control of Chilled Water Plants—Part 2: Condenser Water System Design
Designing for Comfort: Selecting Air-Distribution Outlets
Technology Award Case Studies
Library Sets Example
Sustainable Campus
Standing Columns
Building Sciences
IAQ Applications
Emerging Technologies
Products
Classified Advertising
Advertisers Index
Special Supplement: AMCA International inmotion Magazine
ASHRAE Journal - September 2011 - Intro
ASHRAE Journal - September 2011 - Cover1
ASHRAE Journal - September 2011 - Cover2
ASHRAE Journal - September 2011 - 1
ASHRAE Journal - September 2011 - 2
ASHRAE Journal - September 2011 - Contents
ASHRAE Journal - September 2011 - Commentary
ASHRAE Journal - September 2011 - 5
ASHRAE Journal - September 2011 - Industry News
ASHRAE Journal - September 2011 - 7
ASHRAE Journal - September 2011 - 8
ASHRAE Journal - September 2011 - 9
ASHRAE Journal - September 2011 - Meetings and Shows
ASHRAE Journal - September 2011 - 11
ASHRAE Journal - September 2011 - 12
ASHRAE Journal - September 2011 - 13
ASHRAE Journal - September 2011 - Adsorption Refrigeration: New Opportunities for Solar
ASHRAE Journal - September 2011 - 15
ASHRAE Journal - September 2011 - 16
ASHRAE Journal - September 2011 - 17
ASHRAE Journal - September 2011 - 18
ASHRAE Journal - September 2011 - 19
ASHRAE Journal - September 2011 - 20
ASHRAE Journal - September 2011 - 21
ASHRAE Journal - September 2011 - 22
ASHRAE Journal - September 2011 - 23
ASHRAE Journal - September 2011 - 24
ASHRAE Journal - September 2011 - 25
ASHRAE Journal - September 2011 - Optimizing Design & Control of Chilled Water Plants—Part 2: Condenser Water System Design
ASHRAE Journal - September 2011 - 27
ASHRAE Journal - September 2011 - 28
ASHRAE Journal - September 2011 - 29
ASHRAE Journal - September 2011 - 30
ASHRAE Journal - September 2011 - 31
ASHRAE Journal - September 2011 - 32
ASHRAE Journal - September 2011 - 32A
ASHRAE Journal - September 2011 - 32B
ASHRAE Journal - September 2011 - 33
ASHRAE Journal - September 2011 - 34
ASHRAE Journal - September 2011 - 35
ASHRAE Journal - September 2011 - 36
ASHRAE Journal - September 2011 - 37
ASHRAE Journal - September 2011 - Designing for Comfort: Selecting Air-Distribution Outlets
ASHRAE Journal - September 2011 - 39
ASHRAE Journal - September 2011 - 40
ASHRAE Journal - September 2011 - 41
ASHRAE Journal - September 2011 - 42
ASHRAE Journal - September 2011 - 43
ASHRAE Journal - September 2011 - 44
ASHRAE Journal - September 2011 - 45
ASHRAE Journal - September 2011 - 46
ASHRAE Journal - September 2011 - 47
ASHRAE Journal - September 2011 - Library Sets Example
ASHRAE Journal - September 2011 - 49
ASHRAE Journal - September 2011 - 50
ASHRAE Journal - September 2011 - 51
ASHRAE Journal - September 2011 - 52
ASHRAE Journal - September 2011 - 53
ASHRAE Journal - September 2011 - Sustainable Campus
ASHRAE Journal - September 2011 - 55
ASHRAE Journal - September 2011 - 56
ASHRAE Journal - September 2011 - 57
ASHRAE Journal - September 2011 - 58
ASHRAE Journal - September 2011 - 59
ASHRAE Journal - September 2011 - 60
ASHRAE Journal - September 2011 - 61
ASHRAE Journal - September 2011 - 62
ASHRAE Journal - September 2011 - 63
ASHRAE Journal - September 2011 - Building Sciences
ASHRAE Journal - September 2011 - 65
ASHRAE Journal - September 2011 - 66
ASHRAE Journal - September 2011 - 67
ASHRAE Journal - September 2011 - 68
ASHRAE Journal - September 2011 - 69
ASHRAE Journal - September 2011 - 70
ASHRAE Journal - September 2011 - 71
ASHRAE Journal - September 2011 - 72
ASHRAE Journal - September 2011 - 73
ASHRAE Journal - September 2011 - 74
ASHRAE Journal - September 2011 - 75
ASHRAE Journal - September 2011 - IAQ Applications
ASHRAE Journal - September 2011 - 77
ASHRAE Journal - September 2011 - 78
ASHRAE Journal - September 2011 - 79
ASHRAE Journal - September 2011 - 80
ASHRAE Journal - September 2011 - Special Supplement: AMCA International inmotion Magazine
ASHRAE Journal - September 2011 - AMCACover2
ASHRAE Journal - September 2011 - AMCA3
ASHRAE Journal - September 2011 - AMCA4
ASHRAE Journal - September 2011 - AMCA5
ASHRAE Journal - September 2011 - AMCA6
ASHRAE Journal - September 2011 - AMCA7
ASHRAE Journal - September 2011 - AMCA8
ASHRAE Journal - September 2011 - AMCA9
ASHRAE Journal - September 2011 - AMCA10
ASHRAE Journal - September 2011 - AMCA11
ASHRAE Journal - September 2011 - AMCA12
ASHRAE Journal - September 2011 - AMCA13
ASHRAE Journal - September 2011 - AMCA14
ASHRAE Journal - September 2011 - AMCA15
ASHRAE Journal - September 2011 - AMCA16
ASHRAE Journal - September 2011 - AMCA17
ASHRAE Journal - September 2011 - AMCA18
ASHRAE Journal - September 2011 - AMCA19
ASHRAE Journal - September 2011 - AMCA20
ASHRAE Journal - September 2011 - AMCA21
ASHRAE Journal - September 2011 - AMCA22
ASHRAE Journal - September 2011 - AMCA23
ASHRAE Journal - September 2011 - AMCA24
ASHRAE Journal - September 2011 - AMCA25
ASHRAE Journal - September 2011 - AMCA26
ASHRAE Journal - September 2011 - AMCACover3
ASHRAE Journal - September 2011 - AMCACover4
ASHRAE Journal - September 2011 - Emerging Technologies
ASHRAE Journal - September 2011 - 82
ASHRAE Journal - September 2011 - 83
ASHRAE Journal - September 2011 - 84
ASHRAE Journal - September 2011 - 85
ASHRAE Journal - September 2011 - 86
ASHRAE Journal - September 2011 - 87
ASHRAE Journal - September 2011 - 88
ASHRAE Journal - September 2011 - Products
ASHRAE Journal - September 2011 - 90
ASHRAE Journal - September 2011 - 91
ASHRAE Journal - September 2011 - 92
ASHRAE Journal - September 2011 - 93
ASHRAE Journal - September 2011 - Classified Advertising
ASHRAE Journal - September 2011 - 95
ASHRAE Journal - September 2011 - Advertisers Index
ASHRAE Journal - September 2011 - Cover3
ASHRAE Journal - September 2011 - Cover4
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