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Air sampling protocol document, 130 Cedar Street, Jan 2005

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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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NYC 9/11 Public Portal Document

130 Cedar Street July 15, 2004 Selective Demolition and Façade Reconstruction Koenen Associates

G. After galvanizing, all materials not exposed to view must be chromated by dipping • material in a 0.2% chromic acid solution.

H. Galvanizing surfaces, where exposed to view, must have a smooth level surface finish. Where this does not occur, piece shall be rejected and replaced to the acceptance of the Architect.

2.04 PROTECTIVE COATINGS

A. Whenever dissimilar metals will be in contact, separate contact surfaces by coating each contact surface prior to assembly or Installation with one coat of specified bituminous paint, which shall be in addition to the specified shop prime paint. Mask off those surfaces not required to receive protective coating.

2.05 WORKMANSHIP

A. General

1. Miscellaneous metal work shall be fabricated by an experienced fabricator or manufacturer and Installed by an experienced tradesman.

2. Materials, methods of fabrication, fitting, assembly, bracing, supporting, fastening, operating devices, and erection work shall be In accordance with drawings and specifications, approved shop drawings, and best practices of the industry, using new and clean materials as specified having structural properties sufficient to safely sustain or withstand stresses and strains to which materials and assembled work will be subjected.

3. All work shall be accurately and neatly fabricated, assembled and erected.

B. Shop Assembly. Insofar as practicable, fitting and assembly work shall be done in shop. Shop assemble work in largest practicable sizes to minimize field work. It is the responsibility of the miscellaneous metal subcontractor to assure himself that the shop- fabricated miscellaneous metal items will properly fit the field condition. In the event that shop-fabricated miscellaneous metal items do not fit the field condition, the item shall be returned to shop for correction.

C. Cutting: Cut metal by sawing, shearing, or blanking. Flame cutting will be permitted only if cut edges are ground back to smooth, clean edges. Make cuts accurate, clean, shop and free of burrs, without deforming adjacent surfaces or metals.

D. Holes: Drill or cleanly punch holes; do not bum.

E. Connections: Make connections with tight joints, capable of developing full strength of member, flush unless otherwise indicated, formed to exclude water where exposed to weather. Locate joints where less conspicuous. Unless indicated otherwise, weld or bolt shop connections; bolt or screw field connections. Provide expansion and contractor joints to allow for thermal movement of metal at locations and by methods approved by Architect.

1. Welding:

a. Shall be in accordance with "Standard Code for Welding in Building Construction" of the American Welding Society, and shall be done with

Miscellaneous Metals 05500-5

NYC-WTC 000125187

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NYC-WTC_000125187Source: NYC Law Department, mirrored locally

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