a wind farm in the center of dallas david a. browning vice president of business services
TRANSCRIPT
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A Wind Farm in the Center of Dallas
David A. Browning
Vice President of Business Services
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Wind and More
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• El Centro enrollment tanked at 3,500 students.
• Enrollment patterns indicated migration to suburban colleges.
• Reasons:
• congested commute to downtown area
• high cost of parking
• rising cost of gasoline
• decline of CBD as vibrant destination
1997
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Structure of Program
• Eligible students
• Credit student enrolled in 6 credit hrs.
• CE students in 96 contact hrs.
• Statistics since Fall 1997
Number of Eligible
Students
Cost of Pass Per Semester
Amount Paid to DART
Passes Issued
221,051 $25 - $55 5,958,520 129,430
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Providing Students with Affordable Transportation
• Monthly Cost of Parking
• Monthly cost of Gasoline
• % of students of FA
• No Gas $ = no attendance
• No attendance = attrition
• No Parking $ = parking tickets
• Unpaid parking tickets = jail time
• Jail time = attrition
• Affordable Transportation = student success
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Public Transit Program vs. Parking
• Cost Comparisons:
• Parking Garage construction Cost $5,000,000
• 500 parking spaces (assume space cycles 25 times/week)
• Cost for Security and Maintenance $5,750,000
• Total: $10,750,000
• Est. Parkers since 1997: 221,051
• Est. $49.37 per student parker
• Total for DART-Free: $ 5,958,520
• Riders since 1997: 129,430
• $41.25 per student rider
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Thin Client Project
• Overview
• Testing Concerns
• VMWare/PCoIP Hosting with DSC
• Thin Client Hardware
• Energy Savings
• Life Span of Devices
• Benefits
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Energy Savings
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Hardwar Savings
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Expected Life Span• PCs – 3-4 Years
• Moving parts
• Subject to failure
• Thin Clients – 7-10 Years
• No moving parts
• Processing done remotely
• Pass through device only
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Benefits and Advantages over PCs
• Upgrades are done virtually and remotely
• Thin Client Devices do not need to be touched individually by techs as PCs are
• PC’s do not have to be continually purchased as they age
• Multiple Profiles can be used within any classroom allowing a given classroom to serve different purposes (efficiency of use/flexibility within the classrooms)
• Whole Classrooms (or groups of client views) can be updated at once
• Substantial Energy Savings
• Security of Data
• Return on investment grows exponentially
• Faster changes to environments
• Less downtime for maintenance
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Six Years Ago An Idea Was Proposed To the President…And
Then Wind Velocity Studies Engineering Studies Proto-Type Testing Meetings with Historical Board Site Line Studies New Roof – With Anchors Creation of Specification for Bid Process Analysis of Bids Design and Create Platform Coordinate installation
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How They Work• Each Turbine Starts Generating a DC current at winds of 3
M.P.H
• Maximum Power Generation is at Wind Speed of 22 M.P.H.
• Each Turbine at Peak will Generate 1 KW of power an hour
• All Turbines are Linked to a Box that converts the DC power to AC
• The AC Electricity is then Inserted Directly to the College Power System
• This Reduces the Power Needed from the Electrical Grid.
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What We Have
• Four Arrays
• Twenty Turbines per Array
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Payback Formula• 8,700 hours a year
• 20 Kilowatts of power Generated Per Array
• 4 Arrays
• 50% Approximate time of Maximum Power Generation
• $.055 Cost of Electricity Per Kilowatt
Or
8,700 X 20 X 4 X 50% X .055 = $19,140
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Projected Payback
• Total Project Cost $240,000
• Yearly Savings $19,140
• Payback 12.5 Years
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Other Benefits
• Publicity
• Used in Environmental Science Programs
• Partnership with for Wind Turbine Program
• Inspiring Student Creativity
• Reduces College’s Carbon Footprint
• Sponsorships from Private Corporations
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Questions
• Live Feed
http://new.livestream.com/accounts/8310281/ECCLivestream1