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Inspection Question of the Week These are inspection questions posted weekly by members of InterNACHI's Awards Committee.

View Poll Results: See Post #1 for question and answer below.
44-inches. 4 18.18%
24-inches 1 4.55%
30-inches 3 13.64%
42-inches 5 22.73%
36-inches 9 40.91%
Voters: 22. You may not vote on this poll

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  #1  
Old 11/9/07, 7:28 AM
John Bowman's Avatar
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Default Commercial Inspection - Panic Bars

When installed panic hardware shall be mounted at a height not less than ____ inches?
a. 44 inches
b. 24 inches
c. 30 inches
d. 42 inches
e. 36 inches
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  #2  
Old 11/9/07, 9:42 AM
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Mario A. Kyriacou, CHI Mario A. Kyriacou, CHI is offline
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Default Re: Commercial Inspection - Panic Bars

John

I have to go with 42" Our building code only specifies NOT higher than 47" and I guess they forgot to talk about min height.





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  #3  
Old 11/9/07, 11:45 AM
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Marcel R. Cyr, CMI Marcel R. Cyr, CMI is offline
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Default Re: Commercial Inspection - Panic Bars

Good trick question John.

Code minimum allowed and standard mounting heights are two different answers that are not easily interchangeable for Commercial hardware.

Marcel



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  #4  
Old 12/16/07, 9:31 PM
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Default Re: Commercial Inspection - Panic Bars

Under normal construction techniques those that selected 36" would be correct. However special considerations are made for Day Care centers and facilities that provide services or housing to shorter individuals. In these facilities a minimum may be as low as 24-inches.



Quote:

APPROVED PANIC HARDWARE

The USBC requires that panic hardware consist of a door-latching assembly incorporating an activating device (typically a horizontal bar or push pad) that causes the door to unlatch when a force is applied in the direction of egress travel. Approved panic hardware must meet the following specifications:
  1. 1. Have a maximum unlatching force of 15 pounds and be capable of one handed operation without special effort or knowledge.
  2. 2. On standard swinging exit doors the activating portion of the releasing device shall extend at least one-half (½) the width of the door leaf (see example below).
  3. 3. On balanced exit doors the activating device must be of the push-pad type and shall
  1. not extend more than one-half (½) the width of the door leaf from the latch side.
  2. 4. The activating device must be mounted at a height greater than 36 inches but less than 48 inches above the finished floor.





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  #5  
Old 12/17/07, 11:17 AM
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Marcel R. Cyr, CMI Marcel R. Cyr, CMI is offline
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Default Re: Commercial Inspection - Panic Bars

Just thought I would add this in to not cause any confusion.

Although fact that a minimum mounting height for panic devices may be 36",
Most all Commercial Hardware is installed at 41" to the center of the push bars.

Where a vertical rod device may be used, the centerline height would be at 39 & 13/16 off of finish floor. Any other height would cause the top rod or bottom rod to be short or too long.

Residential and light Commercial usually have hardware preparations on the frames and doors set up for 36" centers.

Full commercial hardware, doors and frames are always preped for 41" center hardware mounting.
Commercial hardware will not mix with Residential doors and frames unless custome ordered. Everything from templateing and mounting are usually different.

TOUCH BAR EXIT DEVICES

TH1100EDTBAR - TOUCH BAR


Global Series TH1100EDTBAR “touch bar” style exit devices are suitable for all doors (aluminum, hollow metal, or wood) where there is no projection on the face. Manufactured of extruded anodized aluminum, the TH1100EDTBAR is durable enough for the most demanding applications. A rim cylinder is included, and the EDTBAR can also be used in conjunction with any of the exit device trims listed below.



Specifications
  • MATERIAL: Extruded anodized aluminum push bar, stainless steel springs
  • LATCH: Stainless Steel, 3/4” throw - 5/8” deadlatch
  • BACKSET: 2 3/4” Covers 161 prep, includes latch & strike filler plates
  • STRIKE: Surface mounted for 5/8” stop with shim
  • PROJECTION: 2 1/2” – 1 7/8” dogged
  • STILE: 4 1/4” minimum
  • HANDING: Reversible, non-handed
  • DOOR THICKNESS: 1 3/4” standard
  • DOOR WIDTH: 36”, can be field sized to 30”
  • MOUNTING HEIGHT: Recommended installation at 41" from finished floor to center line of push rail.
  • FASTENERS: Furnished with sheet metal and machine screws
  • CYLINDER: Rim included, all key trims cylinder included except PLED
  • DOGGING: 1/2 turn hex key
  • FIRE RATED: Available - please specify
  • FINISHES: Aluminum, Duronotic, and Stainless Steel
Marcel



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  #6  
Old 12/26/07, 10:44 AM
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Default Re: Commercial Inspection - Panic Bars

Higher the better, not exceeding the recommended code in your area.
44" on center of the bar.



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  #7  
Old 12/26/07, 7:38 PM
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Kenneth Lott, 001236461 Kenneth Lott, 001236461 is offline
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Default Re: Commercial Inspection - Panic Bars

24"is also recommended for people confined to Wheelchairs.
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  #8  
Old 12/27/07, 7:27 AM
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Default Re: Commercial Inspection - Panic Bars

Quote:
Originally Posted by klott
24"is also recommended for people confined to Wheelchairs.
Ken,

I've been looking for this information. If you don't mind would you share your reference?




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  #9  
Old 12/27/07, 10:41 AM
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Marcel R. Cyr, CMI Marcel R. Cyr, CMI is offline
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Default Re: Commercial Inspection - Panic Bars

Quote:
Originally Posted by jbowman
Ken,

I've been looking for this information. If you don't mind would you share your reference?
I would be curious also John, for I have never heard of a panic device installed at 2'-0" AFF..

Mounting Heights

Allowable mounting heights for exit devices are the same in each model code: not less than 30" nor more than 44" above the floor. While design may dictate where the push bar is located, consideration should be given in assigning a mounting height to either the lower or upper limits. The lower height is suggested for grade schools, while the upper height may be better suited for adult use, i.e. colleges. Consider where the trim is located on the opposite side of the door, as some manufacturers may have as much as 8"-10" differences between the centerline of the push bar and the centerline of pull trim. This height difference varies, depending on locking functions and type of exit device. Also consider applicable regulations for the physically disabled, as height requirements may vary. ADA (Americans with Disabilities Act) regulations permit 48" maximum height for accessible door hardware, while some state codes have a 42" limit. Some states also require the ends of lever trim to return to within 1/2" of the door face.


NFPA 101 34"-48"
NFPA 5000 same
IBC same
BOCA SBC, UBC 30"-44"

Marcel



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  #10  
Old 12/31/07, 12:44 PM
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Default Re: Commercial Inspection - Panic Bars

That's a very good point regarding wheelchair accessiblity! Achieving the best of two worlds is the real challenge. The current bar design does not favor those in the chair, unless the door opens automatically for them. You could almost throw the codes out the window and inspect using our practical and common senses.

I would still stand behind my initial answer of 44" but include an automatic push button between 30"-36" from the ground as a secondary opener for those in wheel chairs.



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  #11  
Old 2/8/12, 12:27 PM
Bo Murray Bo Murray is offline
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Default Re: Commercial Inspection - Panic Bars

The best panic exit bars are those made of stainless steel and contain no plastic or other weaker materials. The comments before already answered the height issue correctly, so I will not write it again. I hope the information I provided helps you in your choice.
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  #12  
Old 3/29/12, 9:13 AM
KEVIN WOOD, CMI KEVIN WOOD, CMI is offline
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Default Re: Commercial Inspection - Panic Bars

We are recommending 2 bars, 1 at 33-36 inches and another at 24 the reason is this. When someone is alone and wants to open the door he uses the force of his forearm to move the door then his wheelchair takes over without the lower bar the door gets a beating from the wheel chair and makes it harder to open.
What is also starting to catch on is separate hand rails lowered for small children. I will admit I have not seen this yet in any ADA changes only in the 28 CFR. Code of Federal Regulations.

Last edited by kwood; 3/29/12 at 9:19 AM..
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  #13  
Old 3/29/12, 10:34 AM
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Default Re: Commercial Inspection - Panic Bars

Quote:
Originally Posted by kwood View Post
We are recommending 2 bars, 1 at 33-36 inches and another at 24 the reason is this. When someone is alone and wants to open the door he uses the force of his forearm to move the door then his wheelchair takes over without the lower bar the door gets a beating from the wheel chair and makes it harder to open.
What is also starting to catch on is separate hand rails lowered for small children. I will admit I have not seen this yet in any ADA changes only in the 28 CFR. Code of Federal Regulations.
KW,
please furnish a link, doc, photo or diagram



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  #14  
Old 3/29/12, 10:50 AM
KEVIN WOOD, CMI KEVIN WOOD, CMI is offline
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Default Re: Commercial Inspection - Panic Bars

I would like to but it is on a PDF secured file.
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  #15  
Old 3/29/12, 8:31 PM
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Marcel R. Cyr, CMI Marcel R. Cyr, CMI is offline
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Default Re: Commercial Inspection - Panic Bars

From Von Duprin;

Panic Hardware
(NFPA 101®: 7.2.1.7, NFPA 5000™: 11.2.1.7)
· actuating portion of device must extend at least 1/2 the width
of the door leaf
· device must be mounted between 34" and 48" above finished
floor (A.F.F.) (30" to 48" for existing applications)
· door locations requiring panic hardware are listed within the
individual occupancy chapters:
· means of egress doors in Assembly, Day Care, and
Educational Occupancies with an occupant load of 100
or more persons shall be permitted to have a latch or
lock only if it is panic hardware
· doors serving high hazard contents areas with occupant
loads of more than five shall be permitted to have a latch
or lock only if it is panic hardware
· required panic hardware (except as allowed for Detention &
Correctional Occupancies), shall not be equipped with any locking
device, set screw, or other arrangement that prevents the release
of the latch when pressure is applied to the releasing device
· fire exit hardware may not be equipped with devices to hold the
latch retracted unless the devices are listed and approved for

such purposes



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