KEYS TO ENHANCING PRODUCTIVITY
ENR/CURT FORUM June 16, 2010
David Umstot, PE Vice Chancellor Facilities Management SDCCD
Dave Umstot, Vice Chancellor, Facilities Management
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San Diego Community College District Construction Program Overview
• $1.555 billion bond program provides for new facilities, major renovations, infrastructure projects, parking & public safety enhancements at City, Mesa and Miramar Colleges, and six Continuing Education campuses • Projected Square Footage
Additional Building GSF – 1,601,443 Total Building GSF – 3,679,451 Additional Parking GSF – 987,289 Total Parking GSF – 1,365,001 Grand Total GSF – 5,044,452
• Number of students served – 142,510
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OWNER’S PERSPECTIVE: Why Improve Productivity? Reduce Waste/Inefficiency Construction Lags Behind Other Industries
Manufacturing
Manufacturing
Delayed Submittals and Approvals Redesign Rework Improper Sequencing of Work
Construction
Improvement of Revenues Multiple Handling of Material Claims/Litigation
Image Space
Source: Construction Industry Institute.
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Improving Productivity by Bringing Trades Input Earlier
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BIM (Building Information Modeling): Why Do It? BIM allows Designers, Builder and Trade Contractors to work in a Collaborative, 3D Environment During Design and Construction Benefits Fewer RFIs Fewer Change Orders Fewer Delays Prefabrication
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INTERNAL CLASH SURVEY: Saving Money and Improving Productivity Building Construction Mechanical piping hits cable tray and fire protection piping in ceiling space Survey Average Results Man-hour Savings = 61 Delay Savings = 3 Days Cost Savings = $30,349.00
Number of Clashes Shown in Example = 9 Savings per Clash Resolved = $3,372.00 6
BIM: Average Cost per Clash Avoided SUNDT Average Savings Per Clash Resolution
$5,934.00 3 Days 59 Man-hours
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BIM: Change Management
• Projects designed in BIM:
Change Order Rate = 2.3%
• Projects not designed in BIM:
Change Order Rate = 8.0%
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BIM STANDARDS
http://www.sdccdprops-n.com/BUILDING%20STANDARDS/SDCCD_BIM_Standards_Ver01.pdf
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Remote Office Construction Kit (ROCK)
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