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OFFICE OF THE STATE FIRE MARSHAL  
 
NOTICE OF PROPOSED RULES  
 
 
 1) Heading of the Part :  Carbon Monoxide Alarms and Detectors  
 
2) Code Citation :  41 Ill. Adm. Code 112  
 
3) Section Numbers :   Proposed Actions : 
112.100    New Section  
112.120    New Section   
112.140    New Section  
112.180    New Section  
112.200    New Section  
112.230    New Section  
112.250    New Section  
 
4) Statutory Authority :  Implement ing and authorized by Sections 5/10 -20.56 and 5/34 -
18.49 of the School Code [105 ILCS 5/10 -20.56 and 5/34 -18.49] and Section 5 of the 
Carbon Monoxide Alarm Detector Act [430 ILCS 135/5]  
 
5) A Complete Description of the Subjects and Issues Involved :  PA 9 9-470 places 
responsibility on the Office of the State Fire Marshal to establish the guidelines for 
approved carbon monoxide detectors under this Act and carbon monoxide alarms under 
the Carbon Monoxide Alarm Detector Act [430 ILCS 135/1].  This proposal w ill 
establish the minimum requirements for approved carbon monoxide alarms and detectors 
in new and existing public schools to provide clarity to local school boards.  It will also 
clarify the requirements for carbon monoxide alarms under the Carbon Monoxi de Alarm 
Detector Act.  
 
6) Published studies or r eports, and sources of underlying data used to compose this 
rulemaking :  None  
 
7) Will this  rulemaking replace an emergency rule currently in effect ?  No  
 
8) Does this rulemaking contain an automatic repeal  date?  No  
 
9) Does this rulemaking contain incorporations by reference ?  Yes   
 
10) Are there any other rulemakings pending on this Part ?  No  
      ILLINOIS REGISTER             5166  
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OFFICE OF THE STATE FIRE MARSHAL  
 
NOTICE OF PROPOSED RULES  
 
 
 11) Statement of Statewide Policy Objective :  PA 99 -470 took effect on January 1, 2016 and 
mandates local school boards to require each school under its authority to be equipped 
with carbon monoxide alarms or carbon monoxide detectors.   
 
12) Time, Place, and Manner in which interested persons may comment on this proposed 
rulemaking :  Persons wishing to comment on this proposed rulemaking may submit 
comments no later than 45 days after the publication of this Notice to:  
 
Deborah J. Williams  
Division of Legal Counsel  
Office of the State Fire Marshal  
1035 Stevenson Dr.  
Springfield  IL  62703 -4259  
 
217/785-0978  
 
13) Initial Regulatory Flexibility Analysis : 
 
A) Types of small businesse s, small municipalities and not -for-profit corporations 
affected :  This rulemaking has no impact on small businesses or not-for-profit 
corporations.  The rules may affect small municipalities with public schools that 
are required to install carbon monoxide alarms or detection systems pursuant to 
PA 99 -470 (January 1, 2016) by providing guidance to local school boards on 
how to achieve compliance.  
 
B) Reporting, bookkeeping or other procedures required for compliance :  None  
 
C) Types of Professional skills necessary for compliance :  None  
 
14) Regulatory Agenda on which this rulemaking was summarized :  January 2016  
 
The full text of the Proposed Rules begins on the next page : 
       ILLINOIS REGISTER             5167  
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OFFICE OF THE STATE FIRE MARSHAL  
 
NOTICE OF PROPOSED RULES  
 
 
 TITLE 41:  FIRE PROTECTION  
CHAPTER I:  OFFICE OF THE STATE FIRE MARSHAL  
 
PART 112  
CARBON MONOXIDE ALARMS AND DETECTORS  
 
Section  
112.100  Purpose and Scope  
112.120  Severability  
112.140  Definitions  
112.180  Incorporations by Reference  
112.200  Approved Carbon Monoxide Alarms for Use in Dwelling Units  
112.230  Approved Carbon Monoxide Alarms for Use in Public Schools  
112.250  General Requirements for Carbon Monoxide Detectors or Detection Systems in 
Public Schoo ls 
 
AUTHORITY:  Implementing and authorized by Sections 10 -20.56 and 34 -18.49 of the School 
Code [105 ILCS 5/10 -20.56 and 34 -18.49] and the Carbon Monoxide Alarm Detector Act [430 
ILCS 135].  
 
SOURCE:  Adopted at 40 Ill. Reg. ______, effective ____________ . 
 
Section 112.100  Purpose and Scope  
 
This Part implements the provisions of the School Code that delegate responsibility to the Office 
of the State Fire Marshal to promulgate regulations defining the carbon monoxide detectors that 
may be used public schools. (See 105 ILCS 5/10 -20.56 and 34-18.49 .)  This Part also includes 
the specifications for approved carbon monoxide alarms established by  the Carbon Monoxide 
Alarm Detector Act [430 ILCS 135] as referenced in the School Code.   
 
Section 112.120  Severability  
 
If any Section, subsection, sentence or clause of this Part shall be held by a court of competent 
jurisdiction to be invalid, that holding shall not affect the remaining portions of this Part.  
 
Section 112.140  Definitions  
 
The following definitions are used in this Part:       ILLINOIS REGISTER             5168  
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OFFICE OF THE STATE FIRE MARSHAL  
 
NOTICE OF PROPOSED RULES  
 
 
  
"Act" mea ns the Carbon Monoxide Alarm Detector Act [430 ILCS 135].  
 
"Alarm control unit " means a carbon monoxide detection system or fire alarm 
system component that monitors inputs and controls outputs through various types 
of circuits.  
 
 "Carbon monoxide alarm " or "alarm " means a single -station or multiple -station 
carbon monoxide alarm intended for the purpose of detecting carbon monoxide 
gas and alerting occupants by a distinct audible signal . An alarm is comprised of  
an assembly that incorporates a sensor, contr ol components, and an alarm 
notification appliance in a single unit operated from a power source either located 
in the unit or obtained at the point of installation.  
 
"Carbon monoxide detection system " means a system that consists of an alarm 
control unit,  components, and circuits arranged to monitor and annunciate the 
status of carbon monoxide alarm initiating devices and to initiate the appropriate 
response to those signals.  
 
"Carbon monoxide detector " or "detector " means a device having a sensor that 
responds to carbon monoxide gas and that is connected to an alarm control unit.   
[105 ILCS 5/10 -20.56(a) and 34 -18.49(a)]  
 
"NFPA " means the National Fire Protection Association . 
 
"UL" means Underwriters Laboratories . 
 
Section 112.180  Incorporations by Refere nce 
 
a) All the materials incorporated by reference in this Section are incorporated as of 
the date specified and include no later editions or amendments.  
 
b) The following materials are incorporated by reference:  
 
NFPA 720:  Standard for the Installation of Carbon Monoxide (CO) Detection 
and Warning Equipment, (2015 edition), NFPA ; 1 Batterymarch Park, Quincy 
MA 02269 ; (617)770 -3000 or (800)344 -3555 ; www.nfpa.org.  
      ILLINOIS REGISTER             5169  
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OFFICE OF THE STATE FIRE MARSHAL  
 
NOTICE OF PROPOSED RULES  
 
 
 UL 217:  Standard for Smoke Alarms (8th edition ; October 30, 2015) ; 
Underwriters Laboratories, 333 Pfingsten Road, Northbrook IL 60062 ; (877)854-
3577 ; www.ul.com.  
  
UL 268:  Smoke Detectors for Fire Alarm Systems (7th edition ; January 11, 
2016) ; Underwriters Laboratories, 333 Pfingsten Road, Northbrook IL 60062 ; 
(877)854-3577 ; www.ul.com.  
  
UL 2034:  Standard for Single and Multiple Station Carbon Monoxide Alarms (3rd 
edition ; February 28, 2008) ; Underwriters Laboratories, 333 Pfingsten Road, 
Northbrook  IL 60062; ( 877)854-3577;  www.ul.com.  
 
UL 2075:  Standard for Gas and V apor Detectors and Sensors (2nd edition ; March 
5, 2013) ; Underwriter 's Laboratories, 333 Pfingsten Road, Northbrook IL 60062 ; 
(877)854-3577 ; www.ul.com.  
 
Section 112.200  Approved Carbon Monoxide Alarms for Use in Dwelling Units  
 
An approved carbon monoxid e alarm used in an occupancy or structure that has one or more 
dwelling units , as defined in the Act , must be listed in accordance with UL 2034 , as incorporated 
by reference in Section 112.180.  An approved combined carbon monoxide and smoke alarm 
used in an occupancy or structure that has one or more dwelling units , as defined in the Act , must 
be listed in accordance with UL 2034 and UL 217 , as incorporated by reference in Section 
112.180.  
 
Section 112.230  Approved Carbon Monoxide Alarms for Use in Public Schools  
 
a) Carbon monoxide alarms in public schools must be listed in accordance with UL 
2034 , as incorporated by reference in Section 112.180.   
 
b) Combined carbon monoxide and smoke al arms must be listed in accordance with 
UL 2034 and UL 217 , as incorporated by reference in Section 112.180.  
 
c) For public schools designed on or after January 1, 2016, any carbon monoxide 
alarm installed to achieve compliance with the School Code and this  Part must be 
monitored by any required fire alarm system and must be perm anently powered 
by the building' s electrical system.   Such carbon monoxide alarms for use in new 
public schools may not be electric plug -in or battery operated.         ILLINOIS REGISTER             5170  
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OFFICE OF THE STATE FIRE MARSHAL  
 
NOTICE OF PROPOSED RULES  
 
 
  
Section 112.250  G eneral Requirements for Carbon Monoxide Detectors or Detection 
Systems in Public Schools  
 
a) For public schools designed on or after January 1, 2016, a carbon monoxide 
detection system or carbon monoxide detectors installed to achieve compliance 
with the S chool Code and this Part must be monitored by any required fire alarm 
system and must be permanently powered by the building 's electrical system.    
 
b) A carbon monoxide detection system constructed and installed pursuant to this 
Section and its components  must be listed by UL for the purpose for which it is 
used and must be cross -listed by UL with the panel to which it is connected.   
 
c) Carbon monoxide detectors shall be listed in accordance with UL 2075 , 
incorporated by reference in Section 112.180.  
 
d) Combined carbon monoxide and smoke detectors installed in carbon monoxide 
detection systems shall be an acceptable alternative to carbon monoxide detectors 
provided the combination detectors are listed in accordance with UL 2075 and UL 
268. 
 
e) Carbon mon oxide detection system or carbon monoxide detector components 
must be installed and maintained in accordance with the manufacturer 's published 
instructions and NFPA 720, incorporated by reference in Section 112.180, except 
that the location and the frequen cy of inspection and testing of carbon monoxide 
detectors shall be as prescribed in Section 10-20.56(b) or 34 -18.49(b)  of the 
School Code , as applicable.   
 
f) All carbon monoxide detection systems and carbon monoxide detectors must have 
an audible alarm s ignal that is distinctive from other alarm signals and is a four -
pulse temporal pattern as prescribed in NFPA 720.  
 
g) Carbon monoxide detection systems or carbon monoxide detectors must have 
occupant notification throughout the building , except where the signal is 
transmitted to a constantly attended location on -premise or off -premise where 
response action can be taken.  The occupant notification zone may be limited to 
the area where the carbon monoxide alarm signal was initiated.  
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OFFICE OF THE STATE FIRE MARSHAL  
 
NOTICE OF PROPOSED RULES  
 
 
 h) Signals from carbon m onoxide detection systems and carbon monoxide detectors 
transmitted to a fire alarm system shall not transmit a fire alarm signal.