7c supp
Item No.: 7c_supp Meeting Date: December 9, 2014 Standby Power Facility Seattle-Tacoma International Airport Passenger Experience 2 Problem The Airport currently has backup generation capability for limited life/safety functions. During a precipitating event (man-made or natural), the vast majority of the airport's electrical functions cease to operate. Risk of Power Outage is Not Quantifiable Impact of Outage is Very High Frequency of Power Outage is Low 2009 Howard Hansen Dam Incident 2008 Car Pole Accident - South Main Substation lost 2006 Windstorm - South Main Substation lost - PSE lost 10 percent of transmission Power into Sea-Tac has a single point of failure at the (230kV) Maple Valley BPA Substation. 3 30 60 Min After Power Loss Emergency Power (3 MW) Emergency Egress Lighting Areas Dark No Power C1 Pump Station C4 Area ACC/911 Ops Concourse A Central Mechanical 4th Floor Toll Plaza Police Plant Communication rooms shutting down due Emergency Lighting Only to high heat (~1hr) Equipment on UPS shutting down Capable of 1 Jet Bridge on Concourse A IT Equipment (Port & Airline) TSA Screening Machines Bathroom Egress Lights 4 2013 STIA Peak Load (17.5 21 MW) 22,000 Future Demands Airport Expansion (IAF, Northstar) August Electrical Ground Support Equip. 21,000 20,000 Peak kW 19,000 18,000 Current Electrical Demands 17,000 Lights Comm. & Control Systems Elevators & Escalators HVAC & Environmental Controls 16,000 Jet Bridges Information Technology Systems Baggage Conveyance STS, CNG Transportation Center Parking Garage Security 15,000 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec STIA Peak Electrical Load by Month 5 Back-up Power at Other Airports New terminals and operational buildings 100% Back-Up, Atlanta (Hartsfield Jackson) All others life/safety Boston (Logan) 40% Back-Up with redundant utility power Chicago (O'Hare) 100% Back-Up with redundant utility power Dallas Fort Worth 10% Back-Up for Life/Safety only Denver International 10% Back-Up for Life/Safety only Bradley Terminal 50% - Los Angeles (LAX) Two new terminals 100% Back-Up Las Vegas (McCarran) 100% Back-Up with redundant utility power Honolulu 100% Back-Up with load shedding Newark 75% Back-Up with more planned Portland 60% Back-Up with load shedding San Francisco 10% Life/Safety Only St. Louis 100% Back-Up with load shedding 6 Standby Power Facility Scope: 25 MW Standby Power Facility Expandable to 30MW 48 hour fuel tanks SPF Dual fuel capable 5 minutes to full capacity Preliminary Cost Estimate: $37.2 M 7 Project Delivery Strategy Delivery Methodology: Building Engineering Systems - RCW 39.04.290 - 2 step RFQ/RFP Performance Specification Benefits - Turn-key solutions available - Promotes innovative solutions from Industry - Majority of cost is generation equipment - Schedule: Ordering of long lead items during design RFQ / RFP Development: 3rd QTR 2015 4th QTR 2015 Design: 1st QTR 2016 2nd QTR 2016 Construction: 3rd QTR 2016 2nd QTR 2017 Commission Project Develop Bid Advertise Begin Approval of Approval Documents Project Construction Award 8
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