New Santa Clara Stadium Facility Design - IEEE Events... · 2013-05-18 · New Santa Clara Stadium...
Transcript of New Santa Clara Stadium Facility Design - IEEE Events... · 2013-05-18 · New Santa Clara Stadium...
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New Santa Clara Stadium
Facility DesignDan Boresch
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● Services: Engineering & construction
● Founded: 1954
● Employees: ≈ 1,500 (field + office)
● Revenue: $570 million (2012)
● Safety: AGC “Safety Awards ofExcellence” (2011 & 2012)
● Customers: Fortune 100 companies
● Reach: National
Cupertino Electric (CEI) Overview
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● Stadium
■ Primary Gear
■ Substations
■ Scoreboards
● Superbowl
■ Event
■ Solution
Outline
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NEW SANTA CLARA STADIUM(LEVI’S STADIUM)
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Design Parameters
● Maximize Uptime
● Event Considerations
■ 8 Football
■ 12 Other Events
● Longevity
● Budget
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● 300 Drawings
● 52 Miles Feeders
● 350 Miles Conduit
● 45 Miles PVC Underground
● 500 Miles Low Voltage Cable
● 1st ALL Exterior LED Stadium*
● 500 Power Panels (12,000 Breakers)
● 17,000 Luminaires
Facts
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● Connected = 27MVA
● Diversity = 45%
● Demand = 12MVA
● Single Point Failure when Tie Closed
Just Numbers
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Primary Gear
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Main A Tie Main B
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Secondary Distribution
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● Voltage Sag Tolerance 42%
● Power Loss Tolerance 1/4 cycle
Sports Lighting
(648)1500W
Metal Halide
(24)2000W
Hot Restrike
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Scoreboards
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Two of a Kind
10’4’
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Blackout
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● Study by Palmer Engineering and Forensics
■ 13.8 kV S&C switch operated as designed but..
■ Improper LT settings
What Really Happened?
Power Sports Lights
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Contractor’s Engineering Guide
Budget Simple Schedule
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Low-Hanging Fruit
● Second Harmonic Restraint at Mains
■ Blackout Restart Inrush
■ 2 Layer 50 Relay
● VLF-Tested 12 kV Cables
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Goose Lite
SERVICE LEVEL
SITE
Hardwired
Images by Schweitzer Engineering Laboratories, Inc.
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Basic Load Shed
VAV Air Handlers
1.7MVA Connected
1.0MVA Demanded
+
Manual Shed
300kVA
Escalators
= 600HP
Broadcast
= 300kVA
10.5MVA
11.8MVA
Meter Images by Schneider Electric
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Q&A