Fax cover sheet from Steelcraft, June 1998

NYC 9/11 Public Portal Document

aun-lO-9S O7;56A STEELCRAFT 7IS 3S4 4343 P . 03

Underwriters/ I abu Eire Doors: FIRE DOOR CLASSIFICATIONS ROLLING METAL EIRE DOORS Class A Pisision of fire wall. Rating; 3 hours. Steelciafr rolling metal fire doors are constructed in strict accordance with Class B Fneiosures to vertical communica­ Underwriters Laboratories specifications and arc approved by flic New York City tions through buildings, vertical shafts, etc. Rating: 1.1/2 hours. Board of Standards and Appeals, Class C Openings in corridors and room Standard Specifications for Rolling Eire Doors. partitions. Rating; 3/4 hour. FURNISH; Every Rolling sled fire door is manufactured by Stcckraft Folding Class D Exterior walls—sever fire exposuTe. Cate Corp,, bears Underwriters Laboratories Class lalwls 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 Operator. Qass F f'Atetior walls—ligiit exposure. CURTAIN: Is constructed of interlocking galvanized steel slats design r2 in TIME-DELAY RELEASE DEVICE 20 U.S. gauge (specially treated for paint adhesion), ftiey're fitted with steel or PREVENT FLASH CLOSING malleable iron endloeks riveted to each slat. Tins prevents curtain shifting and l.lsed with a Smoke Detector or Fire Alarm sys­ e.xcessivc wear on surfaces between the guides. tem, the unique time-delay release prevents BOTTOM BAR: Tough curtain rigiriity is added to the iiotlom liar with two false closing due to momentary blackouts or steel angles (with neoprene rubber astragali (reversing safety edge for motor fire alarm tests. You can pre-set adjustments to delay release for up to 45 seconds. U.L. operated doors.) approved 120 VAC, 24 VAC. 24 VDC, 12 VDC. COUN I F.R BALANCE ASSEMBLY: Is a custom engineered iiermaneritly lubricated Torsion spring assembly enclosed In a struclutal steel pipe of sufficient diameter Et«eWc and wall thickness so deflection will not e.xceed .0.3" per foot of door width. Tlie natease Button self closing mechanism is activated by fusiiile links or solenoid release. (Test Button) ■'4 BRACKETS: .Minimum 5/16" thick ■ to contain the coinilerbalance assembly Timing. and rolled curtain. Adtustment Screw GEAR ASSEMBLY FOR HAND CHAIN HOIST DOORS: Hase oi operation is assured with high <)ualily gray iron cast gears from machine cut patterns. Manual Reset GUIDES AND MOUNTING ANGLES: .Are designed to meet the door's specific Knob engineering requirements and are a minimum 3/16" thick! Patent Na. 4,130,158 HOOD: Is formed of hot dipped galvanized sheet metal (treated for paint adhesion i B not lighter than 24 gauge and formed to fit end brackets. LOCKING: Choose slide holts on bottom bar, chain lock, or self locking on ¥ motor operated doors.

?I2I FINISH: .Ml non-galvauucd surfaces (except fraying surfaces) are coated with OUT rust inhibiting metal primer.

.i_ E!i Fire Door Adjuster anb Release Mecliaiii$m Fire Door Descent Control Mechanism (Governor) HEIGHT H to 12’.0" WIDTH D

16' ‘ W 12’0' A 6-1/4’’ B 6-1/4' Fire doors larger than 120 sq. It. require oversize certificates, (Consult our staff). C 9-1/4' E 9-1/4" F 9-1/4"

MANUAL S ' CHAIN OPERATION D P ?.• OPERADON FACE r T ' FACE MOUNTED MOUNTED MODEL 11 MODEL UFHxx- UFCxx* 4' SB II MOTOR MOTOR OPERATION OPERATION 1 fcf; BETWEEN FACE JAMBS £ MOUNTED Wl MODEL UBHxx* I;.'- [ p*.' 5 MODEL UFMxx* Motor Operator Illustrated in face o( Cc posiiioii. Available al top of Coil & face ol wall it room permits. Consult omre 'See page 2 lor complete modal designation codes.

CTTFI RBflFT FOLDINC gate CORE PHONE! [718) 384-6484 FAX: (718) 384-4342 NYC-WTC_000173052