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Hangar One Removal Action Update to Moffett Restoration Advisory Board, January 13, 2011. Mike Schulz, PMP, AMEC Earth & Environmental, Inc.
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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
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
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
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
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
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
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
Asbestos Abatement
Removal of Asbestos Floor Tile
Asbestos Abatement
Removal of Floor Tile Mastic and Leveling Compound
Asbestos Abatement
Removal of Floor Tile Mastic Using High-Pressure Water
Asbestos Abatement
Removal of Asbestos Insulated Pipe Using Glove Bags
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
Interior Demolition
Dust Suppression During Demolition of Interior Offices
Interior Demolition
Demolition of Offices and Shops – North End of Hangar
Interior Demolition
Demolition of Mezzanine Level Offices Using Light Equipment
Interior Demolition
Sorting Debris for Disposal and Recycling
Interior Demolition
Sizing Debris for Transportation Offsite
Interior Demolition
Loading Construction Debris for Disposal Offsite
Interior Demolition
Removal of Last Few Loads of Debris
Interior Demolition
Completed Demolition – Looking South
Interior Demolition
Completed Demolition – Looking West
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
Air Monitoring Results
Air Monitoring Results
Preservation of Historic Artifacts
Cork Room Preservation
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
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
Questions
Point of Contact
Scott Anderson, P.E.BRAC Environmental Coordinator
(619) 532 0938(619) 532-0938Scott.d.anderson@navy.mil
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