Classroom Locks Reviewed

Author: John Honovich, Published on Dec 18, 2012

Access control hardware cannot defeat a gunmen; but it can slow them down and buy precious minutes for responders to arrive. Locking classroom doors is one way to do this, but traditional hardware presents life safety issues. In the past decade, a newer style of lock - the 'Classroom/Intruder' Lock - has emerged as a key tool to slow down an attacker, yet stay code compliant. In this note, we examine this hardware and an example where it saved lives.

Traditional Locks

***** **** ********* ***** ** *** ** *** **** ** lock, **** ** ********* ************ ** *** *** ** *** day ** **** *** ********* ** *******. *** ******* ** room ******* ******* *** **** **** ******* *** ********* (** the ****) ****** *******. ** ** ********* *********, *** ******* needs ** ********** **** *** ********* ** ***** ** **** the **** - ******** *** ******* *** ******** ***** ** a *********** ****** *********.

******** ******** ***** *** *** **** ** ******* **** *************: because ** *** ********* ****** ** * *********, *** '***********' thumbturned ******** ******* ** *********** ***** ** *** ********* ** code. ** ** ********* ****** *********, *** ********* **** ** first **** ** ******* *** ******** ****** *** **** *** be ******, *********** **** *** '********* ******' ****** ***** **** require **** * ****** ****** ** **** * **** (**: turning * ***** ******).

******* ** *** *********** ** *********** ***** ** ** ********* situation, ***** **** ** ******** *** ********** ******** **** ******* - *** '********* ********' ****:

Classroom ****

********** ********** ** ** **** *** ** *** "*********" ******** locks, **** ************* **** ***** ***** ***** "********", "********* ********" ********, ** "********* *****" ************ ***** ***** *** ****** **** **** ****** ********* where ***** *** ***** **** **** *** ******** **** ******** classrooms.

**** **** ******** ********** ************ ** ********** *** **** ** be ****** **** *** ******. **** ** **** ** ****** key ********* ** **** ***** ****** *********** ***** **** **** have ** *** *******. ************, * ****** ******* ** ****, even **** ******, ****** ***** *** ***** ****** *** *** instantly ***** *** **** ** ******.

Operational ******

**** **** ********** ***** ******** *** "********/******" ********. *******, *** ******** ********** ** **** * "*********" ********************** * *** ** ** ******, ******** ** "********/****** *****" that *** ****** ** ****** **** *** ****** ** ******** a ****** ** ******* * ***** ****.

********* * *** ******* **** **** ********** ***** (*.*., ******** or ****** *****) *** **** *** ****. ** ******* ******* to *** ***** ***** ** ******-******* ********, ******** *** **** to *********** (** ************) **** ********** *** ******* ******* * knob ******. ****-**** ***** ** **** ****** *** ***********.

*********, *** **** ** **** ****** **** * ******* ******* a ******* - ********, *******, ***. **** *** ** * vulnerability, ***** *** ******* **** **** * *** *** ****** presence ** **** ** ****** *** ****. ****, *** ***** classroom ** ** ******** *** *** **** ****** **** ** lock *** ****. *************, **** *** **** *** **** ****** at *** ***** ****** *****. *******, **** ******* *********** ******** like ******* ****** ** *** *** ****, *** ********* **** the ********, ***. ** ****, **** ** ****** ** **** done.

**********

*********, *** ********** ********** ********** *** ***** ******* ******** ** the "*********" ******* ******* ** * **** ********** ** $** - $*** *** ****.

**** *** ******* ** *** **** ******* ** ****** ******** below:

  • *** **** ** ~$****** "********" ******** ****, *****
  • *** **** ** ~$****** "*********" ******* ** **** *******

*** **** ********/****** ******* *** ********* *** **** *********, *** the **** ******** *******, ******, *** ******** *** ********* *** either ****.

*** **** **** ******** ** **** ****** *** ******* **** existing ******* *****, ********* *** ****** ** ******* ********* ** working *****. ********, **-******* ***** ******* ***** ** ********* ** unlikely ** ******* *********** *****.

*******, ***** *** **** ** ************ ********** ****** ******* **** typically **** ******* ** $**** *** ****, ******** "*********" ******** hardware ** *** ** *** ***** ****** ***** ** ********** protecting ****** ***** ******* ********* *******.

Are **** *********?

**** ********* ******* ***** *** **** *********** ******* ****** *******, any ***** ********* ** ******** ************ **** ** ****** *** value.

** ****, *** *** ***** ****** ******** ***** ******* $***,*** ******** *** ********* ***** ** *** ******** **** *** **** F84 "********* ********" ****. *** **** ** *** ********, ***** involved *** *****, **** **** **** $*** *** ****, ********* installation ****.

** ****, * ****** ** **** **** ******** *** ***** measures ****** **** * ******* ********** ****-***** *** ***** **** knives ******* *** **** ****** **** *** ******* *** ** kill *** **** ** ******. ******* ******** ****** ***** ***** during **** *****, ********** *** ****** ****** **** ******** ********** and ********** ***** ***** ******** **** ******* ********. ****** ******* ********* *** *****:

"******* **** ******* *** ***** ***** **** ****** ******** ************** Scott ********'* ******** ** ******* ***** ** ********* ***** *** preventing [********] **** ******* ** *** ** *** ********.

"** ***** ** ****** ****** *** **** ** **** **** tough ********* *** ** **** **** ** *** ****** *********," Gilbert *****. "******** *** **** *** ***** *** ****** **** the ******. ****'* ********* ** ***** **. **** * *** to *** ******* *********, ****** ****, *** *** *** ***** in *** ******* **** *** **********, * *** *** ******** reach ***, ***** *** **** **** *** ******* *** **** it **** *** ****** **. ** *** ***** ******. *** teachers ****** *** ********** ****** ***."

** **** *********, *** ********** ** ******** (*** ******** ********** accordingly) *** ******** ******** ** ********** * *******.

**********

*** ********* **** ** *** ** *** ***** ********* *** simplest ************ ******* *** ****. ****** ******** ******** ** ********* for *** **** ****** ** ***** *******, ********* ***** *** a *** ***** **** *** **** ****** ***** ** ***** and ****** ***** ********* *******.

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