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Project Information
End Client: Power Loft, LLC
Shallbetter Client: Rubicon Professional Services,
A Fortress International Group Company
Contact: Eric Holzworth, Rubicon Professional Services
Site Location: Prince William County, Manassas, Virginia
General Description
Power Loft is a privately held company headquartered in
McLean, Virginia specializing in the development and
ownership of high-density, high-security data centers. The
first of which is located in Innovation Park, Prince William
County, Virginia - Power Loft @ Innovation. The Power Loft
design redefines high-density data center standards
allowing users to scale to 300 watts per square foot with
industry leading efficiencies of power and raised floor
space. The design incorporates separate power and chiller
plants in pre-engineered structures on-site, and a unique
power backbone that can provide either AC power, DC power,
or both to the data floor to accommodate the latest advances
in IT equipment. Power Loft @ Innovation accommodates three
times the computing power of a typical data center with the
ability to use 30% less power.
Project
Challenges
Shallbetter faced two major challenges
in meeting the completion specs of this project. The first
was the large physical size. The completed
sheltered-aisles dimensions were 96 L x 20 W x 11 H.
The second challenge was meeting the aggressive shipping
schedule. The order was placed in spring of 2008 and
delivered by fall of 2008. The projects overall life cycle
was just over 20 weeks.
Shallbetter Inc.
Shallbetter Inc. designed and
constructed the 35kV outdoor metal-clad switchgear line-up
along with the walk-in sheltered-aisle for Rubicon. The
equipment sourced power from dual grids, with 50mW of
dedicated power the 34.5kV with an optional second 50kW the
34.5kV redundant utility feed. The 35kV metal-clad
switchgear is directly connected to the Dominion Virginia
Power Company utility incoming service providing
distribution electrical power to the Data Center.
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Sheltered-Aisle / Switchgear Features:
The walk-in aisle / switchgear features provide
comfort for the operator and improves overall
performance.
These features include:
NEMA 3R construction w/11-gauge galvanneal steel.
Heavy duty 6 channel base for added support.
Base undercoating for added protection
Interior / exterior paint finish meets or exceeds
ANSI-C57.12.28 paint
specifications.
120/240V CPT & panel board for aisle power.
Interior lighting.
Ventilation louvers and fans for cooling.
Siemens 35kV, 1200A vacuum circuit breakers.
2 utility main breakers and 14 feeder breakers.
Basler protective relaying for each feeder and the
main.
Square D Digital AC metering of main bus
parameters.
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