Delayed Egress Access Control Tutorial

By: Brian Rhodes, Published on Feb 04, 2020

Delayed Egress marks one of the few times locking people into a building is legal.

With so much of access control driven by life safety codes, and a predominant focus of 'free egress' during an emergency, 'delayed egress' is contrary in preventing immediate exit.

** **** ****, ** explain *** ****, ***** real-world ************ *** ************ issues.

*** ******** ****** *****:

  • *** ***** ***** ******** Delayed ******
  • *** **** **** ****** Regardless
  • *** ************ ************ ******* By ****
  • **** ***** ******** ********
  • ******** ***** ********
  • ****-***** ******* ****** ************
  • *** ** ** *********** - ***** ****, ****** Control ******* *** '**** Check' *******

Major ***** ***** ******* ******

************ ** ****, ******* *** **** *** codes****** ******* ******, ** done ** * ****** that ***** ******** ****** requirements.

***** *********** ********* ********************* ******* *** *** authorities, **** **** ***** for **** **** * building ** ** ******* up ** ** *******, but ********* ** ******* when * ***** ** 15 ****** ******* ** applied ** *** **** device ** **** **** for ***** *******.

** ********* *****, **** means **** ******* ********** a ******* ****** ******* and ****** ** *** exit ***, ** ***** sounds *** *** **** remains ****** *** * short ****** ****** ********** and ******** **** ** exit.

*** ******** ********* ******** delayed ****** *******:

  • ***: (*** ****: ****.*.*.*, 2015: ****.*.*.*, ****: ****.*.*.*)
  • **** ***: *.*.*.*.* (**** *** 2015)

*** ***** ******* *** formal **** ********* ******, see**** ****** ****, ***, and *** ***** *** Standards*** **** ******** ******** and ****** **** ********.

Some **** ****** ******* ******

*******, *** *** **** are ********* ** **** method **** **** ** is **** *********. ******* people ****** ****** ***** for *** ****** ** time ** ****** *** risky *** *********** ******, regardless ** **** **********.

******* ************** ******** ** heavily ******** *** *** of ******* ****** *** specific ***********. *** *******,******** ****** / *******, ******* ****** *** use ** ***** ***** in **** **********, ******** to *** *** **** 101.

*** ************ **** ****** delayed ****** ** *** specific ********* ****, *** prohibits ** ** *********, retail, *** ****-******** ********** applications:

Limited ************ ** ****

*** *** **** *** allow ******* ****** ***** on ********, ***********, ** High ****** ***********, *** does ** ******* ***********, healthcare, *** ***** *****. In ********, *** **** accepting **** *** ******** limitations ******** ** **** individual **************.

** *******, ** *******, every ******* ****** **** must ** ******* ******** from *** ****** **** without ****, *****, ** special ********* ** ******, and ******* ***** ********, tight ********, ** ******** of *** *****. *** operation **** ******** ********** the **** **** *** egress ****, *** ******** hardware **** ** ******* between ** ****** *** 48 ****** ***** *** floor.

** ********, * ********* sign ***** ** ** affixed ** *** ******* notifying ***** **** ********** may ** ******* ***** a ******** ******.

******** ********:

'**** ***** ** ******* on *** **** ****** 12 ****** (*****) ** the ******* ****** *******: “Push [****] ***** ***** sounds. ***** *** ** opened ** ** [**] seconds.”

Fire ***** ********

******* ***********: **** ** delayed ****** ** ****, all ***** **** ** made ** ****** *********** when *** **** ***** is ******.

**** ******** ** ******** in ***** ** ******** the ******** ** ******** risks *** ***** ******* behind * ****** **** during * **** ***** or ***** *********.

*******, **** *********** ********* that **** ********* ****** situations ****** ******* ********* fire ******. ****** ********, severe *******, *** **** threat *********** *** ** hindered ** ******* ****** locks. **** ***** ****** to *** ******* ****** because ** ***** ********.

Nuisance ***** ********

********* ** ***** **** authority ** ********, *** person ******* *** **** to ***** ** *** exit *** *** ***** continuous *******. **** **** period, ****** *** '******** delay' ***** ******** ************ triggering * ******* ****** door ** ****** ******* the **** ***. ** no ***** ** ******* by ****, **** '********' the **** ** ******* the *** *** ******* is * ********* ******** and ******* *** ************* of *** ************ ** supervising *****.

Real-World ******* ****** ************

******* ****** ** ******** in ******* ******. **** the ********* ********:

****** ******:****** '*** ***' ****** stores *** ********* ********** that ******* ******** ********* exit ***** ********** *** building. ** *** ****, shoplifters **** ***** ********* of ***** ********, ****** loading ** **** ********* merchandise *** ******** ******* these ***** ** ******* vehicles *** * ***** getaway.

******* ****** ***** ******* this *******. ** ******* attempts ** ***** ******* an *******, ** ***** sounds *** ** - 30 ******* ****** **********, allowing *** ***** ********** to ********* *** ********** before ****** ** ********.

*******/*******/************ *****:******* ******** ***** ** use ******* ****** ** where *** **** ** occupant ****** ** ****. For ******* *** ******* care **********, ******** **** clients *** ******* ******* is * **** ********, and *** *** ** delayed ****** ** ************ openings ** ** ********** tool.

How ** ********* ******* ******

*** **** ** ********** needed *** ********* ******* egress ****** ********* ** how ** ** ***********, but ****** ************ ******* is ******** ** ** hung ** *** **** regardless ** *** ******.

Panic ***

******* ****** *** ** installed ** *** *******, even ** ** ** the *** ****** **** not ******* **.

*******, ** **** *****, substantial *********** ******** ** required. **** **** ****** manufacturers ***** * ******* egress ********* ******* **** can ** *********** ** an ******** ******* *** the ********* **** ** these ******** ***** ******* $2500 - $**** **** opening.

Access ******* *******

**** ****** ******* ******* can ** ********** ** release ******* ******** ***** a ***** *****.

*******, **** ***** ** controlling ******** *** **** to ** ********** ** mechanical ******** (**: ******** strikes), ** ********** ****-******* devices, **** ** '**** check' *** ** ********. The ********* **** ** delayed ****** ** ** access-controlled **** *** ***** between * *** ******* for * **** ** $2,500+ ** ********* * delayed ****** **** *** annunciation ******.

'Exit *****' ******

***** * ******** **** of *******, **** ****** is **** **** ** exit *** ** ****** opening ***** ** ***** a ***** *********.

***** **** ****** *******, that ******* ******** *** the **** ****** *****. The ********* ***** ** this ****** ***** **** a *** ******* ($***) to ******* ******** *******, depending ** *** ****** of ***** ********* ******** to ***** * **** compliant **** *****.

***:******* ****** ******* ****** to **** ************ ** ******* ** this **** ** *******.

Comments (4)

** ******* ******** ** crash ******* ** *******, an ***** ****** *** 15 - ** ******* before **********, ******** *** store ********** ** ********* the ********** ****** ****** is ********.

****** **** **** *** fire *****...

**** ** ****! ** noted ** *** ****:

Fire ***** ********

******* ***********: **** ** delayed ****** ** ****, all ***** **** ** made ** ****** *********** when *** **** ***** is ******.

**** **** *.*.*.*.* (*) specifies **** **** **** release ** *** ** the ********* ********:
(*) *** ********* ********* system
(*) *** **** **** one **** ********
(*) *** **** **** two ***** *********

*****'* ******* ******** ***** manual **** ********, ***** is ** **** **** 7.2.6.2 * (*) ********** Access-Controlled ****** *****

"*** ********** ** ****** fire ***** ***** **** activate *** ******** ****-********** signaling ****** ********* ** 7.2.1.6.2 (*) ***** *** be ******** ** ****** the **** ******"

**** *** ****.*.*.* ** delayed ****** ******:

*. *** **** ***** shall ****** ** ********* of *** ********* ********* system ** ********* **** detection ******, ******** *********, free ******.

** * ***** **'* whether *** *** ***** to ***** *** **** stations ** ** ****** from ********* *** ******* egress...

** * ***** **'* whether *** *** ***** to ***** *** **** stations ** ** ****** from ********* *** ******* egress...

Panicked *******: *****! ** ********* ****!

Impatient **********: *** **** ****** **** there, ****. *** ** tailgating!

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