Ergonomics An ergonomics approach to designing for disabled workers.
Ambulance Technology and Standards Update Part IISecure Site _Stds_Part_2.pdfJan 29, 2015 · •...
Transcript of Ambulance Technology and Standards Update Part IISecure Site _Stds_Part_2.pdfJan 29, 2015 · •...
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2015 Federal Fleet Management
Training
GSA
2015 Federal Fleet Management Training
General Services Administration
U.S. General Services Administration
Ambulance Technology and Standards
Update – Part II
Jennifer Marshall
National Institute of Standards and Technology (NIST)
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2015 Federal Fleet Management Training
GSA
GSA Motor Vehicle Management
Value Proposition
Right Vehicle Right Price Great Service
and the data required to effectively
and efficiently manage a fleet
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Ambulance Patient
Compartment Design
Standards
2015 Federal Fleet Management
Conference & Training
Thursday January 29, 2015
Jennifer Marshall Office of Special Programs
National Institute of Standards and Technology
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Agenda
• Project Background
• Overview of Effort
• Impacts to Community
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DHS Science and Technology
• DHS First Responder Working
Group meeting Sept 2009
• First Responder Capability Gap
identified: Standardized
Construction and Design
Standards in Ambulances for
EMS personnel safety
• Reached out to NIST in Jan 2009
for expertise in systems
engineering and human factors
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EMS Need
• Inherent conflict between need to
care for patient and personal
safety while in moving ambulance
• High injury risk to both EMS
worker and patient during
accidents
• Recognized need for better
patient compartment design with
respect to EMS performance and
safety
• Lack of data-based standards
that address human performance
and safety
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Project Goal
Goal: Provide foundation for a uniform
standard for ambulance design and
construction based on scientific data.
Address
• Worker performance, ergonomics
• Worker and patient safety
Deliverables
• Input to Standards Organizations
(e.g., NFPA, CAAS)
• Design Guidebook
• Demonstration Ambulance
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Project Partners and Roles
• Duration: April 2011 – September 2014
• Partners:
– Department of Homeland Security (DHS) Science &
Technology (S&T) Resilient Systems Division (RSD) and
First Responders Group (FRG): Sponsor
– BMT Designers & Planners (D&P): Human factors design
requirements, concepts for user interfaces, compartment
arrangement and layout
– National Institute of Standards & Technology (NIST):
Requirements analysis and developing/evaluating design
concepts through modeling and simulation
– National Institute for Occupational Safety and Health
(NIOSH): Developing and testing concepts for ambulance
crashworthiness 8
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PROJECT OVERVIEW
Requirements
Analysis
Design Concept
Development &
Evaluation
Finalize Design
Requirements
Focus Groups
Nationwide
Web Survey
Workshop User Research
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Requirements Gathering Process
Focus Groups
• Manufacturers
• Practitioners
Nationwide
Web Survey
• 2537 EMS
Workers,
Trainers
Workshop
• Practitioners
• Practitioner
Organizations
• Government
Agencies
User Research
• Literature survey
• Ride-alongs
• Interviews
• Standards gap
analysis
Issues for focus
group moderator
guide
Inform survey
questions
Validate survey
results, prioritize
requirements
Inform
survey
questions Initial design
requirements
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Requirements
Analysis
Design Concept
Development &
Evaluation
Finalize Design
Requirements
Focus Groups
Nationwide
Web Survey
Workshop User Research
REQUIREMENTS ANALYSIS
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Requirements Analysis
• Design needs - high level patient care performance and
EMS/patient safety goals identified by EMS user
community or through human factors engineering
analyses.
• Design requirements - functions, capabilities, or
support that will satisfy or fulfill the need. E.g.,
“Equipment and controls are operable by the EMS
provider while seated and restrained.”
• Design criteria - specific elements of design that
support the fulfillment of a design requirement. There
may be several criteria per requirement, with each
addressing a specific element of the requirement. Often
standards-based. 12
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Design Needs
• Seating
– Easily access the monitor and controls
– Easily access equipment, supplies, and medicines
– Enable seat positioning to provide adequate eye contact with the patient
– Ride and perform all tasks in “ergonomically safe” manner
• Restraint systems
– Buckle and unbuckle easily
– Access patient while remaining restrained
– Access monitor, equipment, and medicine while restrained
– Perform patient care safely while restrained
• Working environment
– Transport and care for more than one patient
– Allow appropriate lighting
– Allow appropriate communication
– Have enough power for equipment
– Secure equipment while keeping them accessible
– Have enough working room
– Safe and easy access and egress
– Avoid sharp edges and corners
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Design Assumptions
• Designs are based on requirements and criteria
• Design is not “standard” and only serves the purpose of visualizing optional layouts
• One patient on cot
• Curbside & roadside seats on track
• Cables, tubing, & leads are routed along wall/ceiling
• Design does not necessarily address crashworthiness
• CPR/intubation cannot be performed while seated
• IV bag will be hung prior to transit
• Curbside workstation is the primary medic seat
• Jump bags are the primary storage for immediate care items
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Conceptual Design – Helps to
Validate Design Requirements
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Roadside Seat
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Curbside Seat
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Key Human Performance
Requirements
• Use the human performance requirements to drive the design.
• The EMS provider shall be able to reach the patient’s body from head
to knee while in a seated and restrained position.
• The EMS provider shall be able to reach common and critical
equipment/supplies from a seated and restrained position.
• The EMS provider is able to face and interact with the patient while in a
seated and restrained position.
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Computer Simulation Analysis
• Create virtual model of new design concepts
• Virtual human models replicate patient care tasks
• Used 5% female through 95% male mannequins
• Benefits
– Eliminates the need to construct physical prototypes
– Allows for the evaluation of many design concepts faster, cheaper
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Modeling with Mannequins
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Design Concept & Evaluation
Process Design
Requirements
Design Concept
Design Modeling
Computer Simulation
Design Evaluation
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Requirements
Analysis
Design Concept
Development &
Evaluation
Finalize Design
Requirements
Focus Groups
Nationwide
Web Survey
Workshop
User Research
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Standards Input
• NIST had 46 items accepted (including editorial recommendations) to NFPA 1917, 2nd edition.
– Items focused on reachability of patient, equipment, supplies and controls (e.g., HVAC)
• NIST contributed input to CAAS GVS-2015. Currently reviewing version out for public comment.
• NIST provided language to GSA for Change Notice 6 of Federal Specification
for the Star-of-Life Ambulance (KKK-A-1822F).
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Guidebook
• Ambulance Design Guidebook covers best practices, recommendations, and ergonomics.
– Final, pending release by DHS
– Intended to be a practitioner guide and not a standard
– Covers user-defined process, steps to take to develop design requirements and basic systems engineering
– Also addresses some best practices or recommendations in the following areas:
• Equipment layout and workflow
• Lighting, noise, HVAC
• Storage
• Ingress/egress (patient and EMS worker)
• Labeling
• Communications and information technology
• Restraints and seating
• Surfaces and materials (incl. decontamination)
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FEMA Demonstration Ambulance
• Using guidebook to design their next ambulance at one of their
locations
– Using requirements/design process
– Using best practices included in guidebook
– Parts of process will be filmed for NIOSH informational DVD
– Helped NIST and D&P refine guidebook from a practitioner perspective
• Incorporating reachability and ergonomic work by NIST and D&P
– NIST and D&P helped them come up with the requirements and
potential design elements to help with their design specification
• Design will incorporate results of crashworthiness work conducted
by NIOSH (i.e., SAE standards)
• FEMA will own ambulance, but will be showcased by DHS at future
expos for first 6 months
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Contacts
Department of Homeland Security
Jackie Kennedy
Program Manager
(202) 254-5840
BMT Designers and Planners
Larry Avery
(828) 669-7028
NIST
Jennifer Marshall
(301) 975-3396
NIOSH
James Green
(304) 285-5857
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Questions?
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2015 Federal Fleet Management Training
GSA
GSA Motor Vehicle Management
Resources
• GSA Fleet Drive-thru and Training
• Consolidate Your Vehicles With GSA Fleet
• Short Term Rental Program
• Dispatch Reservation Module
• Federal Fleet Management System (FedFMS)
• Car Sharing
• Alternative Fuel Vehicle Guide
• WEX Station Locator / DOE Station Locator
• 2015 FFMT Presentations 29