truss marking update
DESCRIPTION
Truss Marking Update. Anthony C. Apfelbeck Fire Marshal/Building Official City of Altamonte Springs. The Hazard 2000-2009. 138 Firefighters Died W hile O perating Inside at Structure F ires 71 Occurred at One-and Two-family Dwellings 46 Died Due to Structural/Floor/Roof/Ceiling Collapse - PowerPoint PPT PresentationTRANSCRIPT
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Truss Truss Marking Marking UpdateUpdate
Anthony C. ApfelbeckAnthony C. Apfelbeck
Fire Marshal/Building OfficialFire Marshal/Building Official
City of Altamonte SpringsCity of Altamonte Springs
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The Hazard 2000-2009The Hazard 2000-2009
138 Firefighters Died While 138 Firefighters Died While Operating Inside at Operating Inside at Structure FiresStructure Fires 71 Occurred at One-and Two-family 71 Occurred at One-and Two-family
DwellingsDwellings 46 Died Due to 46 Died Due to
Structural/Floor/Roof/Ceiling CollapseStructural/Floor/Roof/Ceiling Collapse Unknown How Many of the 46 were in Unknown How Many of the 46 were in
Structures other than One-and Two-Structures other than One-and Two-Family DwellingsFamily Dwellings
Source: NFPA Fire Service Fatalities in Structure Fires, 1977-2009Source: NFPA Fire Service Fatalities in Structure Fires, 1977-2009
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A Total of 82 Firefighters Died in the A Total of 82 Firefighters Died in the Line of Duty Line of Duty • Of Those, 27 Occurred on the Fireground Of Those, 27 Occurred on the Fireground
• Of Those, 17 Occurred in Structural FiresOf Those, 17 Occurred in Structural Fires• Of those, 6 Occurred in Structures Other Of those, 6 Occurred in Structures Other
Than SFDsThan SFDs• Unknown How Many of the Six were Unknown How Many of the Six were
Due to Structural CollapseDue to Structural Collapse
Note: None of the Structural Fire Deaths Occurred in Buildings Note: None of the Structural Fire Deaths Occurred in Buildings Protected by a Fire Sprinkler SystemProtected by a Fire Sprinkler System
Source: US Fire AdministrationSource: US Fire Administration
The Hazard for 2009The Hazard for 2009
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Current Statutory LanguageCurrent Statutory Language
633.027 Buildings with light-frame truss-633.027 Buildings with light-frame truss-type construction; notice requirements; type construction; notice requirements; enforcement.— (1) The owner of any enforcement.— (1) The owner of any commercialcommercial or or industrialindustrial structure, or any structure, or any multiunit residential structure of three units multiunit residential structure of three units or moreor more, that uses light-frame truss-type , that uses light-frame truss-type construction construction shall mark the structureshall mark the structure with a with a sign or symbol approved by the State Fire sign or symbol approved by the State Fire Marshal in a manner sufficient to warn Marshal in a manner sufficient to warn persons conducting fire control and other persons conducting fire control and other emergency operations of the existence of emergency operations of the existence of light-frame truss-type construction in the light-frame truss-type construction in the structure.structure.
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69A-60.0081 Notice Required for Structures With Light-frame Truss-type
Construction
(1) Purpose: The purpose of this rule is to require the placement of an identifying symbol on structures constructed with a light-frame truss component in a manner sufficient to warn persons conducting fire control and other emergency operations of the existence of light-frame truss-type construction in the structure.
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DefinitionsDefinitions
(a) “Light-frame truss-type construction” means a type of construction whose primary structural elements are formed by a system of repetitive wood or light gauge steel framing members.
(b) “Approved symbol” means a Maltese Cross measuring 8 inches horizontally and 8 inches vertically, of a bright red reflective color, designed in accordance with Figure 1.
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ApplicationApplication
(3) Any commercial, industrial, or multiunit residential structure of three units or more, which uses horizontal or vertical light-frame truss-type construction in any portion shall be marked with an approved symbol. Townhouses are not multiunit residential structures and therefore not subject to this rule. . . .
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LocationLocation
(4) The approved symbol shall be placed within 24 inches to the left of the main entry door and. . .:
(5) The distance above the grade, walking surface or the finished floor to the bottom of the symbol shall be not less than 4 feet (48 in.).
(6) The distance above the grade, walking surface or the finished floor to the top of the symbol shall be not more than 6 feet (72 in.).
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Multiple EntrancesMultiple Entrances
(7) In single tenant structures with multiple main entry doors, such as big box retail stores, department stores and grocery stores, the authority having jurisdiction is authorized to require that other main entry doors of the structure be marked with an approved symbol to carry out the purpose in subsection (1) above.
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Multiple TenantsMultiple Tenants (8) In Multiple tenant structures and covered mall
structures with multiple main entry doors, the authority having jurisdiction is authorized to require that other main entry doors of the structure be marked with an approved symbol to carry out the purpose in subsection (1) above.
(9) In multiple tenant structures and covered malls with multiple main entry doors, the authority having jurisdiction is authorized to require that other main entry doors be marked with an approved symbol to carry out the purpose in subsection (1) above. In such structures, approved symbols shall be marked on one side of the structure only and spaced not closer than 100 feet or at each end of the structure when such structure is less than 100 feet in length.
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Time Frame for ComplianceTime Frame for Compliance
(10) The owner of each new structure required to comply with this section shall mark the structure with the approved symbol prior to receiving a certificate of occupancy.
(11) The owner of each existing structure required to comply with this section shall mark the structure with the approved symbol within 90 days of the effective date of this rule.
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Disputes Over Construction Disputes Over Construction TypeType
(12) Where the owner of the structure and the authority having jurisdiction disagree as to the use of light-frame truss-type construction within the structure, the owner shall be granted not more than 45 days to provide written verification from a licensed engineer or licensed architect; otherwise, the owner shall comply with the rule.
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What is Light Frame What is Light Frame Construction?Construction?
Wood or Lightweight Steel Cold Formed Wood or Lightweight Steel Cold Formed TrussesTrusses
Wooden I-JoistsWooden I-Joists Composite wood Joists Composite wood Joists Cold Formed Steel JoistsCold Formed Steel Joists Engineered ComponentsEngineered Components Does Not Include:Does Not Include:
Steel Bar Joists-DEC StatementSteel Bar Joists-DEC Statement Heavy TimberHeavy Timber Conventional Wood ConstructionConventional Wood Construction
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IncludedIncluded
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IncludedIncluded
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IncludedIncluded
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IncludedIncluded
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Not IncludedNot Included
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Not IncludedNot Included
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Proposed Statutory Revision 2011 Proposed Statutory Revision 2011 Legislative SessionLegislative Session
Expanded Definition to Include:Expanded Definition to Include: Conventional LumberConventional Lumber Steel JoistsSteel Joists Added DimensionsAdded Dimensions Would Have Resulted in Marking Would Have Resulted in Marking
90%+ of Buildings in the State90%+ of Buildings in the State Allowed Signs at the Entrances Allowed Signs at the Entrances
to Large Complexesto Large Complexes Died Before Committee HearingDied Before Committee Hearing
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112.182 “Firefighter rule” 112.182 “Firefighter rule” abolished.abolished.
(1) A firefighter or properly identified law enforcement (1) A firefighter or properly identified law enforcement officer who lawfully enters upon the premises of another officer who lawfully enters upon the premises of another in the discharge of his or her duty occupies the status of in the discharge of his or her duty occupies the status of an invitee. The common-law rule that such a firefighter or an invitee. The common-law rule that such a firefighter or law enforcement officer occupies the status of a licensee law enforcement officer occupies the status of a licensee is hereby abolished.is hereby abolished.
(2) It is not the intent of this section to increase or (2) It is not the intent of this section to increase or diminish the duty of care owed by property owners to diminish the duty of care owed by property owners to invitees. invitees. Property owners shall be liable to invitees Property owners shall be liable to invitees pursuant to this section only when the property ownerpursuant to this section only when the property owner negligently fails to maintain the premises in a reasonably negligently fails to maintain the premises in a reasonably safe condition or negligently fails to correct a dangerous safe condition or negligently fails to correct a dangerous condition of which the property owner either knew or condition of which the property owner either knew or should have known by the use of reasonable care or should have known by the use of reasonable care or negligently fails to warn the invitee of a dangerous negligently fails to warn the invitee of a dangerous condition about which the property owner had, or should condition about which the property owner had, or should have had, knowledge greater than that of the invitee.have had, knowledge greater than that of the invitee.
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Operational IssuesOperational Issues
Training is a PriorityTraining is a Priority When are signs required?When are signs required? What types of building are What types of building are
exempt?exempt? What does the presence of a sign What does the presence of a sign
mean?mean? What does the lack of a sign What does the lack of a sign
mean?mean? Marked buildings maybe safer than Marked buildings maybe safer than
unmarked Buildings!unmarked Buildings!
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Operational IssuesOperational Issues
No Substitute for Pre-fire PlanningNo Substitute for Pre-fire Planning Some Jurisdictions are not Requiring Some Jurisdictions are not Requiring
ComplianceCompliance Mutual Aid/First ResponseMutual Aid/First Response Rural/UrbanRural/Urban Time Frame for ComplianceTime Frame for Compliance Lack of Consistent Statewide Lack of Consistent Statewide
Training MessageTraining Message When the System Fails, It Provides a When the System Fails, It Provides a
False Safe IndicationFalse Safe Indication
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Customer IssuesCustomer Issues
Sign is UglySign is Ugly Sign Creates a “Scarlet Letter”Sign Creates a “Scarlet Letter” What is wrong with my building?What is wrong with my building? No Exemption for Small Buildings No Exemption for Small Buildings
(sheds)(sheds) No Exemption for Historical BuildingsNo Exemption for Historical Buildings No Alternatives for Location When No Alternatives for Location When
ImpracticalImpractical Due to Liability, Marking Buildings Due to Liability, Marking Buildings
that Should not Be Markedthat Should not Be Marked
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Enforcement IssuesEnforcement Issues
Location is Very PrescriptiveLocation is Very Prescriptive No ExceptionsNo Exceptions
Building SizeBuilding Size Minor Use of ElementsMinor Use of Elements Historical BuildingsHistorical Buildings
Misinterpretation of Statute and Rule Misinterpretation of Statute and Rule Statute only states: Commercial, Statute only states: Commercial,
Industrial, Multi-Family ResidentialIndustrial, Multi-Family Residential Identification of Construction ElementsIdentification of Construction Elements If in Doubt, Mark ApproachIf in Doubt, Mark Approach Buildings that Should Not Be MarkedBuildings that Should Not Be Marked High Profile Issue=High LiabilityHigh Profile Issue=High Liability
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UL Testing and EducationUL Testing and Education
UL Testing
UL University Course
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FIELD ISSUESFIELD ISSUES
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NeedsNeeds
Further Testing of Bar Joist Further Testing of Bar Joist AssembliesAssemblies
A BFST Education Program for A BFST Education Program for Firefighters with Consistent Firefighters with Consistent MessagesMessages
Review Technical Aspects of Statute Review Technical Aspects of Statute and Rule and and Rule and
Look at Comprehensive Approach to Look at Comprehensive Approach to Objective of Firefighter Safety Due to Objective of Firefighter Safety Due to Light-Frame Construction-Not Just Light-Frame Construction-Not Just Place a SignPlace a Sign
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QUESTIONSQUESTIONS