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Steelcraft folding gate transmittal fax cover sheet, June 1998

Machine-extracted title · confidence 80%

Fax cover sheet from Steelcraft transmitting documents regarding folding gates and grilles for the World Trade Center project.

NYC-WTC_000172296–000172297

Folder label: “Firestop Counter Tops

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Scanned page image, NYC-WTC_000172297
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

aun-10-98 O7:56A STEELCRAFT 718 384 4343 P-O3

Underwriters/ Label Eire Doors J

FIRE DOOR CLASSIFICATIONS ROLLING METAL FIRE DOORS Class A Division of fire wall, Rating: 3 hours. SteelcrafT rolling metal fire doors are constructed in strict accordance with Class B Enclosures to vertical communica­ Underwriters Laboratories specifications and arc approved by the New York City tions through buildings, vertical shafts, etc. Rating: 1.1/2 hours. Board of Standards and Appeals. Class C Openings in corridtus and room Standard Specifications for Rolling Tire Doors. partitions. Rating; 3/4 hour. — FL RNISIL Every Rolling steel fire door is mannfactuted liy Stcclcrah Folding Class D Exterior walls—sever fire exposure. Calc t'orp., bears Underwriters Laboratories Class laliels as well as New York City Rating: 1/2 hour. Board of Standards and Appeals labels. Class E Exterior walls -moderate fire exposure. OPERATION: Choose from Manual. Hand Chain Hoist or Electric Motor Uperalor. (Tass F lAtetior walls—light exposure. CURTAIN: Is constructed of interlocking galvanized steel slats design !t2 in TIME-DELAY RELEASE DEVICE 2d U.S. gauge (specially Heated for paint adhesion). They're fitted with steel or PREVENT FLASH CLOSING malleable iron endlocks riveted to each slat. This prevents curtain shitting and Used wltli 4 Smoke Detector or Fire Alarm sys­ e.xcessivc wear on surfaces between rhe guides. tem, the unique time-delay release prevents BOTTOM BAR: Lough curtain rigidity is added to the bottom bar with two false closing due to momentary blackouts or steel angles (with neoprene rutrber astragali (reversing safety edge for motor fire alarm tests. You can pre-set adjustments to operated doors.) delay release for up lo 45 seconds. U.L. approved 120 VAC, 24 VAC, 24 VDC, 12 VDC. COUNTER BALANCE ASSEMBLY; Is a custom engineered fiermanently lubricated torsion spring assembly enclosed in a structural steel pipe of sufficient diameter Electric and wail thickness so dellection will not e-xceed .0.3” per foot of door width. The Retease Button self closing mechanism is activated by fusible links or solenoid release. (Test Button) 4 BRACKETS: .Minimum 5/16" thh k ■ to contain the counterbalance assembly Bml-,, and rolled curtain. AdiVEtrnent « Screw GEAR ASSEMBLY FOR HAND CHAIN HOLST DOORS: Ease ol operation is assured with high quality gray iron cast gears from machine cut patterns. Manual Resat GUIDES AND MOUNTING ANGLES: Are designer! to meet the door's specific Knot) engineering requirements and are a minimum 3/16" thick! fttent No. 4.130,158 L Jteafc-;', HOOD: Is formed of hot dipped galvanized sheet metal (treated for paint adhesion) T not lighter than 24 gauge and formed to fit end brackets.

I !• LOCKING: Choose slide bolts on bottom bar, chain lock, or self locking on motor operated doors. FINISH: .\Il non-galv:mized surfaces (c.xcept fraying surfaces) are coaled with our rust inhibiting metal primer.

I: HEIGHT WIDTH H 0 w A B C E F to 12''0“ 16' 12'0' 6-1/4" 6-1/4" 9-1/4' 9-1/4" 9-1/4" Fire Dow Adjuster aixl Are Door Descent Control Release Mectianism Mectianrsni (Govomnr) Fire doors larger than 120 sq. It. require oversize certificates. (Consult our staff).

MANUAL CHAIN OPERATION 1"^ OPEflAHON

*r FACE FACE MOUNTED MODEL UFHwC I_ il

j| MOTOR r'-' MOTOR OPERATION r OPERATION IF! BETWEEN ”, FACE JAMBS MOUNTED MODEL MODEL UBHxx* I UFMw* Motor Operator Illustrated in face ol Cl Zsj position. Availabte at top of (W & bcr I of wall if room permits. Consult Otnofi ‘See papB 2 tor complete modot designation codes. met AOACT cm niMH BATi; noRP. PHONE* (718) 384-6484 FM; (718) 384-434! NYC-WTC_000172297

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NYC-WTC_000172297Source: NYC Law Department, mirrored locally

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