1. NFIRS 3 Structure Fire Module
Unit 3 - Structure Fire Module
NFIRS 3 Structure Fire Module
12/30/2018

2. Unit 3 - Structure Fire Module
12/30/2018
Objectives
The participants will be able to:
describe when the Structure Fire Module is to be used
demonstrate the completion of various sections of the Structure Fire Module for different scenarios

3. Unit 3 - Structure Fire Module
12/30/2018
Structure Fire Module
Used to supplement Fire Module
Incident types 111 and 120’s

4. Unit 3 - Structure Fire Module
12/30/2018
I1 - Structure Type 
Identifies a specific property type of a structure
Continue only if building was enclosed or a portable/mobile structure 1 2 I 1
Structure Type
Enclosed building
Portable/mobile structure
Open structure
Air supported structure
Tent
Open platform
(e.g. piers)
Underground structure
(work areas)
Connective structure (
e.g. fences )
Other type of structure
If fire was in an enclosed building
or a portable/mobile structure
complete the rest of this form 2 3 4 5 6 7 8

5. Unit 3 - Structure Fire Module
12/30/2018
I2 - Building Status  1 2
Identifies the operational status of the building at the time of the incident

6. Unit 3 - Structure Fire Module
12/30/2018
I3 - Building Height 
Identifies the total number of stories (floors) at or above grade level and the total number of stories below grade in the fire building
Do not count normally inaccessible attics, attics with less than standing height, or a roof as a story 1 2

7. Unit 3 - Structure Fire Module
12/30/2018
I4 - Main Floor Size 
Identifies the floor size You can use:
total square feet
length x width 1 2 OR BY
Main Floor Size I 4
NFIRS-3
Structure
Fire ,
Total square feet
Width in feet
Length in feet

8. Unit 3 - Structure Fire Module
12/30/2018
J1 - Fire Origin  2 1
Bedroom
Story of
fire origin
Below grade
Fire Origin J 1
Identifies the story (floor level) where the fire originated within the building
Identifies floor levels above or below grade

9. Unit 3 - Structure Fire Module
12/30/2018
J2 - Fire Spread 
Identifies the extent of flame damage within the structure
Flame damage is area actually burned or charred
Does not include heat, smoke, or water damage x
Confined to room of origin
Confined to floor of origin
Confined to building of origin
Beyond building of origin
Fire Spread J 2 3 4 5

10. J3 - Stories Damaged by Flame
Unit 3 - Structure Fire Module
12/30/2018
J3 - Stories Damaged by Flame
Identifies the number of stories (floor levels) damaged by fire by percent of damage
Do not include damage from heat, smoke, or water damage x
Number of stories w/ significant damage
(25 to 49% flame damage)
Number of stories w/ minor damage
(1 to 24% flame damage)
Number of stories w/ heavy damage
(50 to 74% flame damage)
Number of stories w/ extreme damage
(75 to 100% flame damage)
Number of Stories Damaged By Flame J 3
Count the ROOF as part of the highest story

11. K - Material Contributing Most to Flame Spread
Unit 3 - Structure Fire Module
12/30/2018
K - Material Contributing Most to Flame Spread
K1 identifies the item contributing most to flame spread, if different from the item first ignited
K2 identifies the type of material contributing most to flame spread, if different than the type of material first ignited K 1
Material Contributing Most To Flame Spread 2
Item contributing most to flame spread
Type of material
contributing most to
flame spread
Required only if item
contributing code is 00
or<70.
Check if no flame spread OR
same as material first ignited
unable to determine
Skip to
Section L
Go to Section L if there was no flame spread, or this is the same as material first ignited or unable to determine

12. L1 - Presence of Detectors 
Unit 3 - Structure Fire Module
12/30/2018
L1 - Presence of Detectors 
Captures data on detectors if they were present in the general area of the fire
Required if the fire was within the area covered by the detector.
If not, skip to Section M 6 3 2
Hot Plate
XRS 130 1 9 8 5
None Present
Presence of Detectors L 1
Skip to
section M
Present N Y

13. Unit 3 - Structure Fire Module
12/30/2018
L2 - Detector Type 6 3 2
Hot Plate
XRS 130 1 9 8 5
Identifies the type of fire detection system that was present in the area of fire origin
Detector Type L 2
Smoke
Heat
Combination smoke - heat
Sprinkler, water flow detection
More than 1 type present
Other
Undetermined 1 3 4 5 U

14. L3 - Detector Power Supply
Unit 3 - Structure Fire Module
12/30/2018
L3 - Detector Power Supply 6 3 2
Hot Plate
XRS 130 1 9 8 5
Detector Power Supply L 3
Battery only
Hardwire only
Plug in
Hardwire with battery
Plug in with battery
Mechanical
Multiple detectors & power
supplies
Other
Undetermined 1 2 4 5 6 7 U
Identifies the type of power supplying the detector

15. Unit 3 - Structure Fire Module
12/30/2018
L4 - Detector Operation
Detector Operation L 4 1 2 3 U
Fire too small to activate
Operated
Failed to operate
Complete
Section L5
Undetermined
Section L6
This data element identifies whether or not the detection equipment worked

16. L5 - Detector Effectiveness
Unit 3 - Structure Fire Module
12/30/2018
L5 - Detector Effectiveness X
Alerted occupants, occupants responded
Occupants failed to respond
There were no occupants
Failed to alert occupants
Undetermined
Detector Effectiveness L 5
Required if detector operated. 1 2 3 4 U
Identifies the effectiveness of the fire detection equipment in alerting the occupants
Required if the detector operated

17. L6 - Reason for Detector Failure
Unit 3 - Structure Fire Module
12/30/2018
L6 - Reason for Detector Failure
Identifies why the detector failed to operate or did not operate properly
Required if the detector failed to operate 6 3 2
Hot Plate
XRS 130 1 9 8 5
Detector Failure Reason L 6
Required if detector failed to operate
Power failure, shutoff or disconnect
Improper installation or placement
Defective
Lack of maintenance, includes cleaning
Battery missing or disconnected
Battery discharged or dead
Other
Undetermined 1 2 3 4 5 U

18. M1- Presence of Automatic Extinguishment System
Unit 3 - Structure Fire Module
12/30/2018
M1- Presence of Automatic Extinguishment System X
Presence of Automatic Extinguishment System
Complete rest of
Section M
None Present
Present M 1 N Y
Identifies the presence of automatic extinguishment system (AES)
If AES is present complete the rest of Section M

19. M2 - Type of Automatic Extinguishment System
Unit 3 - Structure Fire Module
12/30/2018
M2 - Type of Automatic Extinguishment System 6 3 2
Hot Plate
XRS 130 1 9 8 5
Type of Automatic Extinguishment System M 2 1 3 4 5 6 7 U
Wet pipe sprinkler
Dry pipe sprinkler
Other sprinkler system
Dry chemical system
Foam system
Halogen type system
Carbon dioxide (CO
) system
Other special hazard system
Undetermined
Required if fire was within designed range of AES
Identifies the type of AES that was present in the area of fire origin

20. M3 - Automatic Extinguishment System Operation
Unit 3 - Structure Fire Module
12/30/2018
M3 - Automatic Extinguishment System Operation
Identifies the operation and effectiveness of AES in the area of fire origin 6 3 2
Hot Plate
XRS 130 1 9 8 5
Operated & effective
(go to M4)
Operated & not effective
(M4)
Fire too small to activate
Failed to operate
(go to M5)
Other
Undetermined
Automatic Extinguishment
System Operation M 3
Required if fire was within designed range 1 2 4 U

21. M4 - Number of Sprinkler Heads Operating
Unit 3 - Structure Fire Module
12/30/2018
M4 - Number of Sprinkler Heads Operating X M 4
Required if system operated
Number of Sprinkler
Heads Operating
Number of sprinkler heads operating
Identifies the number of sprinkler heads that operated during the fire

22. M5 - Automatic Extinguishment System Failure
Unit 3 - Structure Fire Module
12/30/2018
M5 - Automatic Extinguishment System Failure 6 3 2
Hot Plate
XRS 130 1 9 8 5
System shut off
Not enough agent discharged
Agent discharged but did not
reach fire
Wrong type of system
Fire not in area protected
System components damaged
Lack of maintenance
Manual intervention
Other
Undetermined M 5
Required if system failed
Automatic Extinguishment
System Failure Reason 1 2 3 4 6 7 8 U
Identifies the reason why the AES failed to operate

23. Summary
The Structure Fire Module (NFIRS 3) is used in conjunction with the Fire Module to gather information about larger fire incidents which involve buildings
The Structure Fire Module clarifies information about:
the buildings involved in the fire
how the fire started
detection and automatic suppression equipment

24. Questions?