NYC 9/11 Public Portal Document
. U N Z.J/JU z.U . UU ijoJU 231 / lUU 1-UN I ANA HL I AL ®009/013
a - OVERLY BLAST DOORS - SHORT FORM SPECIFICATION GUIDE
Hydraulic Closers [ 1/reqiJiretf] shall conlbrm to ANSI Standard Al 56 4
Hinges shall be heavy duty ball bearing butts of sufficient size and quantity
to withstand blast loadings and dour weight Hinges shall confonn to
ANSI Standard Ai56.1.
2.2 Fabrication
A. General: Assemble work using all welded construction conforming to the applicable
requirements of AWS Dll.
B. Materials: Construct from formed sheet conforming to ASTM A366 or ASTM
A569. Steel plate and shapes for reinforcing and/or framing members shall conform
to ASTM A36 and bars shall conform to ASTM A108 Grade 1018. Hardware shall
be corrosion resistant steel of the appropriate design for the function intended.
C. Weatherstripping Ji/required}: Provide ___ [CAoo.se one: Closed cell sponge
/or/ solid] neoprene elastomer seals,
D. Painting and Cleaning: After fabrication, remove all tool marks and surface
imperfections, and dress all welded joints .smooth and coat with a rusf-inhibitivc
primer.
Part 3 - Quality Control
Quality Control: Manufacturer shall submit evidence of having been engaged in the
de.sign and manufacture of similar blast resistant door assemblies for a minimum of 10
years.
Part 4 - Execution
4 1 Site Storage and protection of Materials: Store all material in a dry controlled area Io
protect from damage.
4.2 Installation; Install work in strict accordance with approved shop drawings and
recommended installation instructions of the manufacturer. Any required field
welding must be performed by certified weldeis in accordance with AWS DlJ
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NYC-WTC_000166817
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