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Moffett Hangar One Progress Review
 

Moffett Hangar One Progress Review

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Navy presentation to the Moffett Field Restoration Advisory Board on March 13, 2008, regarding the structural analysis and revised Engineering Evaluation/Cost Assessment for the hangar.

Navy presentation to the Moffett Field Restoration Advisory Board on March 13, 2008, regarding the structural analysis and revised Engineering Evaluation/Cost Assessment for the hangar.

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    Moffett Hangar One Progress Review Moffett Hangar One Progress Review Presentation Transcript

    • Former NAS Moffett Field BRAC PMO WEST Hangar 1 Progress Review Scott Gromko Navy Project Manager March 13, 2008 RAB Meeting 1
    • Presentation Overview BRAC PMO WEST • Background • Structural Analysis Update • Next Steps • Questions 2
    • Background BRAC PMO WEST • Built in 1932 • Uses: – Used for lighter-than-air program – Used for fixed winged aircraft – Offices and museum 3
    • Background BRAC PMO WEST 4
    • Background BRAC PMO WEST • 1997 - PCBs detected in settling basin sediment • 2003 - NASA studies identified Hangar 1 as a source • NASA sampled: – Building materials – Stormwater – Air – Wipe-samples inside 5
    • Background BRAC PMO WEST 6
    • Background BRAC PMO WEST 7
    • Structural Analysis Update BRAC PMO WEST • Exceltech Consulting, Inc. • Established in 1987 • -Site Civil Engineering - Structural Engineering - Seismic Retrofit and Analysis - Blast/Anti-Terrorist Force Protection (ATFP) Design - Construction Services 8
    • Structural Analysis Update BRAC PMO WEST • Abdul Chahim, P.E., S.E. – 28 years of structural engineering experience • Steel structure projects – VAQ Trainer Building Whidbey Island, WA – West Farm Food Processing Plant, ID – Shore Operation Building, Seattle, WA – Air National Guard fire/crash rescue station, Portland, OR – 10-story Woodland Condominium, Lexington, KY – 76,000-square-foot Federal Way community center 9
    • Structural Analysis Update BRAC PMO WEST • Hangar 1 structural system – Gravity system • Three-hinged arch system supported on A-Frames – Lateral resisting system • The arch and the steel bracing trusses between the arches 10
    • Structural Analysis Update BRAC PMO WEST 11
    • Structural Analysis Update BRAC PMO WEST • Conducted structural analysis inspections • Dec. 12, 2007 • Jan. 11, 2008 • Feb. 7, 2008 • Built computer model • Includes entire building • Over 25,000 structural members • Numbering system based on drawings 12
    • BRAC PMO WEST 13
    • Structural Analysis Update BRAC PMO WEST 14
    • Structural Analysis Update BRAC PMO WEST 15
    • Structural Analysis Update BRAC PMO WEST 16
    • Structural Analysis Update BRAC PMO WEST 17
    • Structural Analysis Update BRAC PMO WEST 18
    • Structural Analysis BRAC PMO WEST 19
    • Structural Analysis Update BRAC PMO WEST – Inspect and summarize site conditions – Build the computer model – Calculate input parameters – Identify any areas of unacceptable structural integrity – Present options and costs for areas of retrofit, if necessary 20
    • Next Steps BRAC PMO WEST – Complete structural analysis – Incorporate structural analysis findings into revised EE/CA – Release revised EE/CA for review and comment – Public meeting to receive comments – Issue Action Memorandum 21
    • Questions BRAC PMO WEST 22
    • Point of Contact BRAC PMO WEST Mr. Darren Newton BRAC Environmental Coordinator Program Management Office West 1455 Frazee Road, Suite 900 San Diego, CA 92108-4310 darren.newton@navy.mil 619-532-0963 23