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Engineering the Disaster Site
Next Steps
Structural Engineers Association of Pennsylvania Conference
June 8, 2016Villanova University
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Background Information
• George J. Lazorchick, PE, PLS• BSCE Lehigh University 1973• Civil Engineer Contractor to SRBC• Professional Engineer, Surveyor in PA• Structures Specialist with FEMA PA TF1 since 2000• Involved in Emergency Services since late 1960’s
• Emergency Services Instructor since mid 1980’s
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Federal (FEMA) Task Force Locations
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PA In State System• Formed in Response to September 11 Attack• Statewide System to Address Regional Incidents• Additional Resource for Major Event in PA• Overall Management by PEMA and Local Sponsoring
Agencies• Similar Structure to FEMA teams, however more
adaptable to local needs, such as:o Urban Search and Rescueo Wilderness Search and Rescueo Water Rescueo Medical Supporto Special Events
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PA (PEMA) In State System
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Resources Resources -- Local
• INTERNALFire Dept.PoliceEMSPublic Works
• EXTERNALMutual Aid (TRT)Utility CompaniesConstruction CompaniesLumber CompaniesHeavy Equip./Rigging Co.Architects/Engineers
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Interaction with Local Agencies• Pluses
o Situation will more than likely be relatively stableo Someone will be in charge; i.e. a decision makero You will be offering an experienced opiniono You will hopefully be dealing with people that have
some level of technical rescue training• Minuses
o You may be expected to have opinions on or answers to all of the situations posed to you
o You may have difficulty “communicating”, sometimes even the most simplest (to us) concepts
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Interaction with Local Agencies
OVERARCHING CONSIDERATION
The SAFETY of yourselfthe emergency responders, and then
any potential victims
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Engineer’s Unique Skill Set
• Knowledge and experience in topic areas very few emergency responders are familiar with
• Competent and proficient in performing mathematical analyseso Weight calculations for mitigation / stabilization o Center of gravity estimateso Structure monitoringo Interaction with local agencies / other engineers
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Requirements & Training ??????
• Registered Engineer• Incident Command System Online course• Safety Assessment Program (SAP) Evaluator
(ATC20 / ATC45) Training• Willingness and desire to participate
o The extent of your involvement will be directly related to your level of interest
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Resources
• Field Operations and Shoring Operations Guides
• Handbook & Online
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Resources
• DHS Field Guide for Building Stabilization
• For Use by Non-USAR Engineers
• Some Duplication with FOG & SOG
• More Info on Long Term Stabilization & Mitigation
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Most Likely Tasks • Scene Assessment• Weight / Center of Gravity estimates
o Mitigation measure selectiono Lifting and rigging
• Structural Assessmento Marking system
• Monitoring System
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Most Likely Tasks • Scene Assessment
• Weight / Center of Gravity estimateso Mitigation measure selectiono Lifting and rigging
• Structural Assessmento Marking system
• Monitoring System
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Calculating the Weights of Calculating the Weights of Concrete RectangleWIDTH x HEIGHT x LENGTH x WEIGHT
4’ x 2 ’x 20’ = 160cf x 150pcf = 24,000 lbs.
20 feet
4 feet 2 feet
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Calculating the Weights 0f Calculating the Weights 0f Concrete Pipe
Weight of Solid Round Weight of Solid Round –– Weight of Hole0.8 (4’x 4’0.8 (4’x 4’-0.8 (4’x 4’- 3’x 3’) x 20’x 150pcf 0.8 (4’x 4’112 cu0.8 (4’x 4’112 cu112 cu-0.8 (4’x 4’0.8 (4’x 4’ 3’x 3’) x 20’x 150pcf 3’x 3’) x 20’x 150pcf 3’x 3’) x 20’x 150pcf 0.8 (4’x 4’0.8 (4’x 4’0.8 (4’x 4’112 cu112 cu--ft x 150pcf = 16,800 lbs.
4 feet 4 feet diameter
20 feet6” thick
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Center of Gravity
CG
LIFTING POINT
CG
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Most Likely Tasks • Scene Assessment• Weight / Center of Gravity estimates
o Mitigation measure selectiono Lifting and rigging
• Structural Assessmento Marking system
• Monitoring System
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Structure Markings
• Empty box means relatively undamaged structure or void.
• Evaluate Time and Date
• LOW RISK
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Structure Markings
• Single Line means structure is damaged
• Mitigation may be needed
• MODERATERISK
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Structure Markings
• “X” indicates hazards exist
• DO NOT enter this area!
• HIGH RISK
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Most Likely Tasks • Scene Assessment• Weight / Center of Gravity estimates
o Mitigation measure selectiono Lifting and rigging
• Structural Assessmento Marking system
• Monitoring System
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Monitoring
• Survey Equipmento Plumb bobso Digital Theodoliteso Total stations
• Other Equipmento Digital Protractorso Laser Pointers o Crack monitors
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Monitoring• Monitoring Equipment
o Wind & weather monitoring tools
o Wireless Building Monitoring System
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Solid Sole Full Triangle Raker
20ft system = 265#16ft system = 225#
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Questions ???