Air sampling protocol document, 130 Cedar Street, Jan 2005

NYC 9/11 Public Portal Document

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

7. Steel Pipe: ASTM A53, type and grade as selected by fabricator and as required for design loading; black finish unless galvanizing is indicated; standard weight • (Schedule 40), unless otherwise indicated.

8. Gray Iron Castings: ASTM A48, Class 30.

9. Malleable Iron Castings: ASTM A47, grade as selected by fabricator.

10. Brackets, Flanges and Anchors: Cast or formed metal of the same type material and finish as supported rails, unless otherwise indicated.

11. Concrete Inserts: Threaded or wedge type; galvanized ferrous castings, either malleable iron, ASTM A47, or cast steel, ASTM A27. Provide bolts, washers and shims as required, hot-dip galvanized, ASTM Al53.

B. Grout: Non-shrink, non-metallic grout conforming to the requirements of Section 03300.

C. Fasteners

1. General: Provide zinc-coated fasteners of exteriors use or where built into exterior walls. Select fasteners for the type, grade and class required.

2. Bolts and Nuts: Regular hexagon head type, ASTM A307, Grade A.

3. Log Bolts: Square head type, FS FF-B-561.

4. Machine Screws: Cadmium plated steel, FS FF-S-92.

5. Plain Washers: Round, carbon steel, FS, FF-W-92. •

6. Masonry Anchorage Devices: Expansion shields, FS FF-S-325.

7. Toggle Bolts: Tumble-wing type, FS-FF-B-588, Type, class and style as required.

8. Lock Washers: Helical spring type carbon steel, FS FF-W-84.

D. Shop Paint: Shop prime all non-galvanized miscellaneous metal Items using Series 88 Azeron Primer made by Tnemec or No. 230R55 "Rust Barrier" made by Con-Lux.

E. Bituminous Paint Fed. Spec. TT-C-494.

F. Galvanize Repair Coating: For touching up galvanized surfaces after erection, provide Z.R.C. Cold Galvanizing Compound made by ZR.C. Chemical Products Co.

2.02 PRIME PAINTING

A. Scope: All ferrous metal (except galvanized steel) shall be cleaned and shop painted with one coat of specified ferrous metal primer. No shop prime paint required on galvanized steel or aluminum work.

B. Cleaning: Conform to Steel Structures Painting Council Surface Preparation Specification SP-3 (latest edition) Power Tool Cleaning: for cleaning of ferrous metals which are to receive shop prime coat.

C. Application

Miscellaneous Metals r

05500-3

NYC-WTC 000125185