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Air sampling protocol document, 130 Cedar Street, Jan 2005

Machine-extracted title · confidence 100%

Protocol document outlining air sampling and monitoring procedures for 130 Cedar Street.

NYC-WTC_000125098–000125202

Folder label: “130 CEDAR STREET

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Scanned page image, NYC-WTC_000125182
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NYC 9/11 Public Portal Document

130 Cedar Street July 15, 2004 Selective Demolition and Façade Restoration Koenen Associates A. After mortar has fully hardened, thoroughly clean exposed masonry surfaces of excess mortar and foreign matter, use wood scrapers, stiff-nylon or -fiber brushes, and clean water, spray applied at low pressure.

1. Do not use metal scrapers or brushes. 2. Do not use acidic or alkaline cleaners.

B. Wash adjacent woodwork and other non-masonry surfaces. Use detergent and soft brushes or cloths.

C. Clean masonry debris from roof; remove debris from gutters and downspouts. Rinse off roof and flush gutters and downspouts.

D. Sweep and rake adjacent pavement and grounds to remove masonry debris. Where necessary, pressure wash surfaces to remove mortar, dust, dirt, and stains.

3.11 FIELD QUALITY CONTROL A. Inspectors: Owner will engage qualified independent inspectors to perform inspections and prepare test reports. Allow Inspectors use of lift devices and scaffolding, as needed, to perform inspections. B. Architect's Project Representatives: Architect will assign Project representatives to help carry out Architect's responsibilities at the site, including observing progress and quality of portion of the Work completed. Allow Architect's Project representatives use of scaffolding, as needed, to observe progress and quality of portion of the Work completed.

C. Notify Structural Engineer in advance of times when lift devices and scaffolding will be relocated. Do not relocate lift devices and scaffolding until inspectors and Architect's Project representatives] have had reasonable opportunity to make inspections and observations of work areas at lift device or scaffold location.

END OF SECTION 04901

C

CLAY MASONRY RESTORATION AND CLEANING 04901 -15

NYC-WTC 000125182

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NYC-WTC_000125182Source: NYC Law Department, mirrored locally

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