Pre-hung door specification sheet with dimensions and ratings

NYC 9/11 Public Portal Document

M 20-00 tfblG 231 /16U 1’UN I ANA HE I AL 1^011/013

2 - OVERLY BLAST DOORS - SHORT FORM SPECIFICATION GUIDE

Part 2 - Products

2.1 Design

A. Design Basis and Type: Blast resistant pre-engineered door system designs shall be based on the LRB senes as manufactured by the Overly Manufacturing Company, Greensburg, PA 15601-0070.

B. Design Criteria: Pre-engineered swinging doors to be Overly Model LRB or equal. The door, frame and restraining hardware shall be designed to withstand psf seating the door into the frame and psf unseating the door from the frame (rebound) The door system shall be frilly operable after application of the specified blast.

'J'he chart below shows the standard sizes for the Overly Model I.RB single door. Also shosi’n is the nieiximu/n safe working load' each model can withstand for both the sealing and unseating directions. Your desigti blast pressure must fall within the capacities listed for the applicable opening size. If your blast pres.yure exceeds ihe capacities listed below, consider the Overly Model MRB (Mid Range filastj door system. Contact Overly for more information on this product line.

Model Door Max. Max, IJL Door Lock Qty. Leaf No. Opn'g Seating Unseating Labels Thick Type Hinges Weight Sire Pressure Pressure (lb)

36 X 84 576 psf 312 psf 3 210 36 X 96 504 psf 273 psf 3 hr, Overly 4 247 LRB 40 X 92 473 psf 256 psf "A" 1 3/4" Double 4 302 48 X 84 432 psf 234 psf Max. Ought 3 315 48 X 96 378 p.<if 204 psf 4 320

C. Product Description: Doors shall be a nominal 1-3/4" thick, full flu.sh, constructed and reinforced to resist the blast forces specified. Design door hardware and reinforcements to transfer all applicable blast loadings to frame, Design frame anchors anchors to transfer all blast loadings to walls or structural sub-fiame embeds. Frames shall be [C’/roo^f one: Hollow metal formed steel with formed stops /or / structural steel channel with welded stops], three sided, factory reinforced and tapped for hardware. Frame anchorage shall be [CAorxie one: CMU strap anchors / concrete expansion anchors / pourcd-in-placc / weld-in configuration for steel walls].

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