ASHRAE Journal - April 2015 - 24

TECHNICAL FEATURE

completed), "Desirable," and "If Possible." There were
entries about building function, sustainability, safety,
and energy to name a few. The RFP and the prioritized
list represented the voice of the owner. It was agreed
early on that this document would not conceptually
change and that when questions arose, the RFP would
be referenced. A NREL Project Manager would be
responsible for implementing the RFP without change.
It was key that the owner did not change the prioritization during the entire building delivery process.
A short-listed group of contractors competed and
their conceptual designs were evaluated on the ability
to achieve the prioritized list in order given a constraint
of a fixed price. Conceptually, this was the wish list and
selection would be made on who provided the most
value. While the project did not start out to be a zeroenergy building (ZEB), the successful bidder showed
that they could deliver the project with the potential
to be zero-energy within the budget ceiling. As seen in
the sidebar, "Aligning Program Metrics With the Energy
Goal," the ZEB goal was quite far down the list.

BASautomation

®

To be successful, the contractor's team relied heavily
on strong communication and management skills to
drive the process. At the proposal stage, the contractor
engaged an energy modeler to help inform the conceptual design required by the proposal. This helped fold
the energy features into the architecture and the function of the building-leveraging those costs. As the project progressed, the sub-contractors were critical to providing innovation around controlling costs. Repetition
was a key element which factored into the design. The
building was built around a standard module with precast insulated concrete panels including the windows.
The efficiency around the thermal envelope, coupled
with the daylighting enabled the use of radiant heating
and cooling in the ceiling slab-and an innovative technique of placing the tubing provided a cost point that
was achievable on the building's budget.
The end result was a Phase 1 project (240,000 ft2 [22
297 ft2]) that uses half the energy as a traditional building producing as much energy as it consumes, including the corporate data center located in the building

- Building on BACnet ®

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24

ASHRAE JOURNAL

p. 630.963.7070
ashrae.org

APRI L 2015

PnP and Managed Switches
Wired & Wireless IP Routers

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ASHRAE Journal - April 2015

Table of Contents for the Digital Edition of ASHRAE Journal - April 2015

Contents
ASHRAE Journal - April 2015 - Cover1
ASHRAE Journal - April 2015 - Cover2
ASHRAE Journal - April 2015 - 1
ASHRAE Journal - April 2015 - 2
ASHRAE Journal - April 2015 - Contents
ASHRAE Journal - April 2015 - 4
ASHRAE Journal - April 2015 - 5
ASHRAE Journal - April 2015 - 6
ASHRAE Journal - April 2015 - 7
ASHRAE Journal - April 2015 - 8
ASHRAE Journal - April 2015 - 9
ASHRAE Journal - April 2015 - 10
ASHRAE Journal - April 2015 - 11
ASHRAE Journal - April 2015 - 12
ASHRAE Journal - April 2015 - 13
ASHRAE Journal - April 2015 - 14
ASHRAE Journal - April 2015 - 15
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ASHRAE Journal - April 2015 - 18
ASHRAE Journal - April 2015 - 19
ASHRAE Journal - April 2015 - 20
ASHRAE Journal - April 2015 - 21
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ASHRAE Journal - April 2015 - 23
ASHRAE Journal - April 2015 - 24
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ASHRAE Journal - April 2015 - 27
ASHRAE Journal - April 2015 - 28
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ASHRAE Journal - April 2015 - 38
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ASHRAE Journal - April 2015 - 45
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ASHRAE Journal - April 2015 - 49
ASHRAE Journal - April 2015 - 50
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ASHRAE Journal - April 2015 - 60
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ASHRAE Journal - April 2015 - Cover3
ASHRAE Journal - April 2015 - Cover4
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