hangar one removal action update to moffett rab

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