Mfriweb2.umd.edu
Title: Size-Up: Review and Unique Residential Structure Considerations
Instructor: Danny Braitsch
Time: 1.5 hours
Equipment:
PowerPoint Presentation: Size-Up: Review and Unique Residential Structure Considerations
Size-Up Practice Scenario Attachments (See pages 6-16 of this document)
Radios, paper, pens, and other materials to complete practice scenarios as a shift
Enabling Objectives:
• At the conclusion of instruction, the student should be able to review the concept of size-up of an incident scene.
• At the conclusion of instruction, the student should be able to discuss the importance of conducting a complete and comprehensive size up on an incident scene.
• At the conclusion of instruction, the student should be able to discuss commonly used methods and acronyms/mnemonics that assist in sizing up an incident in a concise but thorough manner.
• At the conclusion of instruction, the student should be able examine unique and atypical residential structure conditions and considerations.
• At the conclusion of instruction, the student should be able to complete scene size-up scenario drills with crews and coworkers to facilitate conversation about more complex residential structure findings and possibilities.
Overview:
I. Size-Up Review
II. Brief Initial Report (B.I.R.)
III. C.A.N. Report
IV. Basic Size-Up Considerations (Other Helpful Size-Up-Related Mnemonics)
V. Unique Residential Structure Considerations
VI. Size-Up Practice Scenarios
VII. Conclusion
Lesson Plan:
Size-Up Review
A) The process of gathering and relaying information to assist officers and firefighters in making safe, efficient, and effective decisions on an incident.
1) Prepares arriving units for what to expect and how to proceed
2) Answers the following questions:
a) What do I have?
b) What am I doing?
c) What do I need?
B) Initial size up
1) Brief Initial Report (B.I.R.)
2) Conduct a thorough 360º size up
C) Size-up is ongoing
1) Prepare for conditions to change at any time
2) C.A.N. status report: Conditions, Actions, Needs
Brief Initial Report (B.I.R.)
A) Verbal report completed by the first arriving unit
B) Provides insight into the details of the incident for other arriving units
C) Typically follows a format
1) Includes only pertinent information
2) Directs incoming units
3) Establishment of command presence
D) Format Suggestion:
Structure Fire
Confirm incident address.
Describe the structure:
• Number of floors
• Type of occupancy (Single-/Multi-family, TH, Commercial, etc)
Describe the conditions/pertinent information
• Fire/Smoke
• Rescue/Life hazard
Advise on water supply/lay out
Advise on exposures (if relevant)
Announce mode of attack
Establish (Road/Business Name) command
C.A.N. Report
A) C.A.N. Report is a verbalized report made by officers/firefighters on scene to advise on what is happening, what crews are doing, and what else is needed to mitigate the incident
1) Conditions
a) Changes in fire progression, findings of fire in other areas, verbalizing fire out
b) Changing smoke conditions inside/outside of the structure
c) Additional hazards: holes in floors, high heat conditions, etc.
2) Actions
a) Water on fire
b) Check for extension
c) Needs -- May include equipment, manpower, ventilation, medical, etc.
Basic Size-Up Considerations (Other Helpful Size-Up-Related Mnemonics)
A) Arriving on an incident can be overwhelming, particularly for new officers or for uniquely complicated scenes/structures or events
B) Use of mnemonics may prove helpful in remembering what to consider and address while sizing up the structure and making ongoing observations
1) “B E L O W”
• Building -- Construction, dimensions, area, age, stories
• Extent -- Fire/smoke conditions/spread
• Life Hazards -- Time of day, cars in driveway, evacuated
• Occupancy -- Residential, commercial, church, mall, etc.
• Water supply -- Hydrant, drafting, need for tankers, etc.
2) “C O A L W A S W E A L T H”
• Construction
• Occupancy
• Area
• Life Hazards
• Water supply
• Auxiliary systems
• Street conditions
• Weather
• Exposures
• Apparatus/Personnel
• Location/extent of fire
• Time of day
• Hazardous conditions
Unique Residential Structure Considerations
A) While utilizing acronyms and mnemonics may be helpful in aiding a concise size-up for more structurally routine and basic residential structures, some homes present unique and atypical conditions.
B) While it is important to be well-versed and practiced on the basics, it is imperative to maintain an open-mind and train to be prepared for any situation or emergency.
C) The following slides will briefly discuss some unique and atypical presentations of single-family residential structures for discussion and review.
1) Unique Considerations
a) Residential Structure Area (Sq. Ft.)
i) Large homes (with square footage in excess of several thousand sq.ft.) pose unique concerns for firefighters
ii) Must consider length of handlines used
iii) Firefighters working inside may become lost, confused, or disoriented more easily
iv) Extent of fire may be significant inside without any obvious outward signs from the initial size-up and 360º
b) Residential Structure Layout/Floor Plan
c) Uniquely-shaped homes
i) Homes shaped in anything other than a typical four-sided A-B-C-D box configuration create issues in clearly explaining location of conditions
ii) Create unique and unexpected floor plans
iii) May disorient firefighters working inside, making it difficult in an emergency situation to explain where in the building the firefighter is
d) Older homes
i) Unexpected/atypical floor plans
ii) May have additions/attached structures
e) Open floor plans
i) Allow for ease of fire spread
f) Unexpected grade changes
i) Some homes may have access to two or more levels one just one “side” of the structure (e.g. Size-up Practice Scenario 1)
g) Residential Structure Content
i) Additions
• Owner-built attached rooms/additions and partition walls added to separate rooms may make navigating the home disorienting
ii) Conditions of the home
iii) Apparently vacant homes
• Structural integrity concerns (e.g. holes in floors/walls, compromised structural components)
a) Hoarding conditions
i) Heavy fire load
ii) Increased possibility of collapse, entanglement, becoming confused/disoriented
h) Residential Structure Construction
a) Older homes
i) Balloon-frame construction makes an impact on fire spread
ii) Masonry exterior may present collapse concerns
b) Attachments/additions to home
i) Additions or attachments to the home made by the owner may not follow fire code and may limit or alter points of egress from the structure (e.g. hiding windows with walls, etc.)
i) Other types of residential structural features unique to your jurisdiction.
Size-Up Practice Scenarios
A) Attachments:
1) Appendix 1 (1 page)
2) Appendix 2 (3 pages)
3) Appendix 3 (3 pages)
4) Appendix 4 (3 pages)
VII) Conclusion
A) Reviewed the concept of size-up of an incident scene.
B) Discussed the importance of conducting a complete and comprehensive size up on an incident scene.
C) Discussed commonly used methods and acronyms/mnemonics that assist in sizing up an incident in a concise but thorough manner.
D) Examined unique and atypical residential structure conditions and considerations.
E) Provided scene size-up scenario drills to complete with crews and coworkers to facilitate conversation about more complex residential structure findings and possibilities.
References
Peterson, F. W. (1993) Tradition and change in the nineteenth-century iowa farmhouses. State Historical Society of Iowa, Vol. 52, Num. 3, pg. 251-281. Retrieved from:.
Robertson, H. (2010). Drills for practicing how to describe fireground conditions. Fire Rescue Magazine, Vol. 5, Iss. 10. Retrieved from: practicing-how-to-describe-fireground-conditions.html
Rubin, D. L. (1996). Initial operations. . Retrieved from:
Pictures/floor plans credited to and obtained from the following websites:
Architectural House Plans
State Historical Society of Iowa:
Appendix 1 Page 1
Size-Up Practice Scenarios
The following practice scenarios were created to challenge the way you think about sizing up residential structures. Not all residences you encounter will be typical or standard.
Three scenarios follow, 3 pages each.
Page 1: Dispatch information, pictures of structure
Practice completing a B.I.R. and 360º size-up.
Page 2: Discussion questions
Page 3: Floor plan/pictures of structure for clarity (websites provided)
Appendix 2 Page 1
Size-Up Practice Scenario 1
Month: October
Time of Day: 12:35
Weather: Partly cloudy, 55º
Box Alarm: Report of smoke in the basement
Address: 4321 Mansion Ln
Caller is homeowner, states she is the only one home, husband at work and kids are at school, she is vacating the residence
CAD notes:
Hydrant approx. 400ft away at cross street Mansion Ln/Harbor Rd
Mansion Lane is a no-outlet residential street
Front View
[pic]
Rear View:
[pic]
Appendix 2 Page 2
Size-Up Practice Scenario 1
Discussion Points
Before viewing floor plans, where you consider making access to investigate a report of smoke in the basement?
Which side of the building is Alpha side? Bravo? Charlie? Delta?
Would you express this any differently on a fireground to ensure clarity?
Consider grade changes to the rear of the building.
The backside of this building has entry points at both ground and basement level.
Consider size of building (over 4,000 sq. ft.) and its unique floor plan
How would this impact choice of handline?
How would this impact search operations?
What are your search/rescue considerations?
What other considerations might you make with regard to Time of day? Weather conditions? Water supply?
Think: C.O.A.L. W.A.S. W.E.A.L.T.H. and B.E.L.O.W.
Appendix 2 Page 3
Size-Up Practice Scenario 1
Floor Plans
Main Floor
[pic]
Basement Level
[pic]
Appendix3 Page 1
Size-Up Practice Scenario 2
Month: January
Time of Day: 17:35
Weather: Cold 41º, Windy 13mph
Box Alarm: Report of fire in the home
Address: 1234 Crystal View Dr
Caller is homeowner, noticed smoke and fire coming from second floor storage room
CAD notes:
Not a hydranted area, nearest cistern approx. 2.5 miles away
Crystal View is a no-outlet residential street
Front View
[pic]
Rear View
[pic]
Appendix3 Page 2
Size-Up Practice Scenario 2
Discussion Points
Before viewing floor plans, where would you expect to find the storage room of this structure, assuming you see no fire upon arrival. Where would you believe the stairs to be?
Which side of the building is Alpha side? Bravo? Charlie? Delta?
Would you express this any differently on a fireground to ensure clarity?
Consider size of building (approx. 1,600 sq. ft.) and its unique floor plan.
How would this impact choice of handline?
How would this impact search operations?
What are your search/rescue considerations?
What other considerations might you make with regard to Time of day? Weather conditions? Water supply?
Think: C.O.A.L. W.A.S. W.E.A.L.T.H. and B.E.L.O.W.
Appendix3 Page 3
Size-Up Practice Scenario 2
Floor Plans
Main Floor Interior Glimpse
[pic][pic]
Second Floor
[pic]
Appendix4 Page 1
Size-Up Practice Scenario 3
Month: July
Time of Day: 20:45
Weather: Warm, 41º, Nighttime and cloudless
Box Alarm: Structure fire
Address: 7890 Farmhouse St
Caller is a passerby, stated he saw flames inside a window in the structure, had his window down and smelled smoke, caller could not stop
CAD notes:
Building is believed to be vacant
Nearest hydrant approx. 100ft. from driveway, driveway approx. 800ft. back and gravel.
Front View
[pic]
Appendix4 Page 2
Size-Up Practice Scenario 3
Discussion Points
Before viewing floor plans, how would you believe this building to be laid out? Where would the stairs be? Is there a basement?
Which side of the building is Alpha side? Bravo? Charlie? Delta?
Consider the size and age (built in 1860) of this building and its distance from the road.
How would this impact water supply decisions? Handline choice?
How would the construction/age of this structure (balloon frame) impact fire spread?
What are your search/rescue considerations?
Do you believe this building is unoccupied?
What other considerations might you make with regard to Time of day? Weather conditions? Water supply?
Think: C.O.A.L. W.A.S. W.E.A.L.T.H. and B.E.L.O.W.
Appendix 4 Page 3
Size-Up Practice Scenario 3
Floor Plans
[pic]
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