Hangar One Removal Action Update to Moffett RAB
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Transcript of Hangar One Removal Action Update to Moffett RAB
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Former NAS Moffett Field
Hangar 1 Removal Action UpdateHangar 1 Removal Action Update
Mike Schulz, PMP,
AMEC Earth & Environmental, Inc.
January 13, 2011RAB Meeting
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Presentation Overview
P j t Obj ti• Project Objective• Progress Update
Community Outreach Biological Monitoring Community Outreach Storm Water Protection Interior Demolition Hi t i Miti ti
Biological Monitoring Asbestos Abatement Air Monitoring
Historic Mitigation
• Future Activities• Schedule• Schedule• Questions
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Project Objective
• Control release of PCBs from Hangar 1 in accordance with EE/CA (July 2008) and Action Memorandum (December 2008)(December 2008)Demolition of interior structuresRemoval of contaminated sidingRemoval of contaminated sidingApplication of weather-resistant coating to steel frame
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Community Outreach
• RAB presentation November p2009
• Fact Sheet January 2010NASA b i fi J 2010• NASA briefing January 2010
• Video documentation• RAB tour July 2010• RAB tour July 2010• RAB presentation July 2010• SHPO meeting SeptemberSHPO meeting September
2010• Regulatory agency progress
ti D b 2010meeting December 2010
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Biological Monitoring
• Weekly observation of Burrowing Owls• Weekly observation of Burrowing Owls• Inspection of biological activity inside hangar• Weekly reports to CDFG and USF&WWeekly reports to CDFG and USF&W• No observed impacts to protected species
Owl Buffer Fence
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Storm Water Protection
S di t d• Sediment removed from storm water trench
• Plastic liner placed over bare soil areas
l b l d• Silt barriers placed around storm drains
• Paved areas• Paved areas vacuumed prior to storm events
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Asbestos Abatement
• Interior asbestos abatement completed December 2010December 2010
• 83 tons of asbestos waste sent to Altamont Landfill
• 160 tons of PCB/metal contaminated wastecontaminated waste sent to Kettleman Landfill
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Asbestos Abatement
Removal of Asbestos Floor Tile
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Asbestos Abatement
Removal of Floor Tile Mastic and Leveling Compound
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Asbestos Abatement
Removal of Floor Tile Mastic Using High-Pressure Water
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Asbestos Abatement
Removal of Asbestos Insulated Pipe Using Glove Bags
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Interior Demolition
D liti f i t i• Demolition of interior structures completed December 2010
• 1897 tons of construction debris sent to Newby Island LandfillIsland Landfill
• 431 tons of metal recycledy
• 4568 fluorescent light tubes and ballasts recycledrecycled
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Interior Demolition
Dust Suppression During Demolition of Interior Offices
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Interior Demolition
Demolition of Offices and Shops – North End of Hangar
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Interior Demolition
Demolition of Mezzanine Level Offices Using Light Equipment
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Interior Demolition
Sorting Debris for Disposal and Recycling
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Interior Demolition
Sizing Debris for Transportation Offsite
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Interior Demolition
Loading Construction Debris for Disposal Offsite
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Interior Demolition
Removal of Last Few Loads of Debris
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Interior Demolition
Completed Demolition – Looking South
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Interior Demolition
Completed Demolition – Looking West
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Air Monitoring
• Baseline air sampling completed July• Baseline air sampling completed July 2010
• Continuous air monitoring during abatement and demolition activitiesabatement and demolition activities
• Three levels of air monitoring– Workers– Work areas– Site perimeter
• Monitoring coordinated with NASAg• Weekly reports provided to agencies
and public • Data demonstrates control of airData demonstrates control of air
emissions
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Air Monitoring Results
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Air Monitoring Results
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Preservation of Historic Artifacts
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Cork Room Preservation
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Future Activities
• Continued biological monitoring
• Design and repair of• Design and repair of secondary structural steel members
• Scaffold installation• Siding removal and
coatingcoating • Continued Community
Outreach
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ScheduleSchedule
Start steel repairs January 2011• Start steel repairs January 2011• Start scaffold installation February 2011• Start siding removal and coating Spring 2011g g p g• Complete siding removal and coating Winter 2011• Submit final report Spring 2012
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Questions
Point of Contact
Scott Anderson, P.E.BRAC Environmental Coordinator
(619) 532 0938(619) [email protected]