Moffett Hangar One Removal Action Update

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Former NAS Moffett Field

Hangar 1 Removal Action Update

Bryce Bartelma, PG

Navy BRAC PMO West

November 3, 2011

RAB Meeting

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Presentation Overview

• Project Objective

• Progress Update Continued Monitoring

and ProtectionMeasures

Historic Mitigation/CARP

Scaffolding Installation

• Schedule

• Questions

Roof, Redwood, Siding &Window Removal

Coating Inspections &Touch-ups

Moving Scaffolding

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• Control release of PCBs from Hangar 1 in accordancewith EE/CA (July 2008) and Action Memorandum(December 2008)

Demolition of interior structures

Removal of contaminated siding

Application of weather-resistant coating to steel frame

Project Objective

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Continued Monitoring andProtection Measures

• No observed impacts to biologicalactivity

• Continued storm water and groundsurface protection

• Navy and NASA air monitoring datademonstrates control of air emissions

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EPA and Water Board Site Inspection

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Hangar 1 Interactive CD

• Delay in final production. CD will contain interactivehistory and interviews but not 3-D tour.

• Navy and NASAlooking into a webbased version thatwill be hosted byNASA website andwill contain both theinteractive materialsand 3-D tour!

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Continued Mansard Panel Removal

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Continued Redwood Removal

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Continued Silver Siding Removal(Robertson Protected Metal)

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Window and Door Removal

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Zone 1 Exterior Coating & Touch-ups

• Use of man lifts forlower level touch-ups

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Zone 2 East Progress – September 7

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Zone 2 East Progress – September 20

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Zone 2 East Progress – October 12

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Zone 2 West Progress – September 6

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Zone 2 West Progress – October 3

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Zone 2 West Progress – October 12

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Removing Scaffolding in Zone 1

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Interior View

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Installing Systems Scaffolding& Quick Deck in Zone 6

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Clam Shell Door Mechanisms

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Fiber Board Removal

• Fiber boards surroundtracks of Clam Shell doors

• Recently sampled anddetermined to containcontamination

• Not structural

• Navy to remove boardsbut keep rails in-place

• NASA to considerreplacement in re-use

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Special Visitor at Moffett

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Schedule

• Fieldwork in zones 1 – 6Ongoing

• Complete fieldwork,confirmation samplingand demobilizeSpring/Summer 2012

• Submit After ActionCompletion ReportSummer/Fall 2012

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Questions?

Point of Contact:

Scott Anderson

BRAC EnvironmentalCoordinator

(619) 532-0938

[email protected]