geo tools for first responders - sotm us 2014
TRANSCRIPT
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Geo Tools for First
Responders
Richard WeltySOTM-US 2014
1Sunday, April 13, 14
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Relevant Typesof Geo Data
• Enhanced 911 Addressing for GPS
• Hydrant data (location)
• Hydrants on water systems (capacity)
• Dry Hydrants (lift, seasonal issues)
• Ponds, Streams
• Landing Zones for Medical Evacuation
• Hazmat
• PrePlan data
2Sunday, April 13, 14
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Alternatives
• “Data Terminals”• Princeton Project• Active911.com• CAMEOfm• Others
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How to Deliver
• The data is usually already “somewhere”
• County, City GIS departments• Often unwieldy
• One Capital District department used a rolodex in each truck for hydrant data
• Albany NY hydrant data on paper maps
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Street Grids in Old Cities
Cortland Street Not Cortland Street
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OpenFireMap
6Sunday, April 13, 14
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Geo Data Assistant
• WiFi only Android Tablet (Nexus 7)• OsmAnd GPS application• Plugin to support Emergency response
specific features• Additional data may come from
elsewhere
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Internet/Cell Access not a requirement
• Poor to non-existent service in many rural areas
• Good tablets have more than enough storage to support application & data
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Mutual Aid
• Primary use case (at least initially) is Mutual Aid
• Departments/Engine companies responding outside of their normal operational area
• Firefighters experience many problems responding out of area
9Sunday, April 13, 14
addressing in large apartment complexeslack of knowledge about neighborhoodswater system issues - private hydrants, no way to determine capacity of hydrants
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Extreme Mutual Aid
• 9/11• Hurricane Sandy
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Hydrant Gallery
11Sunday, April 13, 14
dry barrel - discuss featuresSteamer vs hose connectionscolor schemes contain no real information
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Hydrant Gallery
• Wet Barrel• West coast• UCLA colors
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Hydrant Gallery
• Wynantskill, NY
• AWWA color scheme
• Blue Caps & Bonnet
• Class AA Hydrant
• > 1500 GPM
13Sunday, April 13, 14
capacity helpful, but you don’t know the capacity until you see the hydrant
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AWWA Classification
Class Flow (@ 20PSI) Cap & Bonnet Color
AA More than 1500 GPM Blue
A Between 1500 GPM and 1000 GPM Green
B Between 1000 GPM and 500 GPM Yellow
C Less than 500 GPM Red
14Sunday, April 13, 14
distinguish between static (head) pressure and pressure while operating hydrant
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Capacity
• Why is capacity important?• Big fire, need lots of capacity• Drawdown of water in main can
damage appliances in residences (notably hot water heaters)
• Risk of main collapse
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Hydrant Gallery
• Bethlehem, NY• Green = large main• Orange = medium
main• Red = small main
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Hydrant Gallery
• Tag on Steamer connection instead of paint for flow capacity
17Sunday, April 13, 14
problem with painters
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Hydrant Gallery
18Sunday, April 13, 14
no Steamer connection on left, only steamer connection on right
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Snow
• “If I have to dig one out of the snow it better be a good one”
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Out of Service
• Not all Hydrants are operational
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Out of Service
21Sunday, April 13, 14
can’t see out of service condition until you see the hydrant
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Out of service(But it’s a secret)
• NYC “Stubby” hydrant
• High pressure system operated from ca 1905 through 1979
• Stubby hydrants still around in NYC
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reference extreme mutual aid
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Is this a hydrant?
• Rural VFD, no pressurized water system
• Lawn Ornament
23Sunday, April 13, 14
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Hydrant Gallery
24Sunday, April 13, 14
Sources: ponds, lakes, streamsseasonal issues, lift
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Dry Hydrant, but...
25Sunday, April 13, 14
water source is higher than hydrant
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Wrench Types
26Sunday, April 13, 14
also apparently triangular and conventional hex heads
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Hydrant Display
27Sunday, April 13, 14
OsmAnd+ screenshot
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Building Footprints
28Sunday, April 13, 14
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Color Code extension
29Sunday, April 13, 14
color code for capacityUse case: observing hydrant capacity while riding in to the scene, stopping tostart laying hose on the way in
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OSM Tagging
• Some current tags• emergency=fire_hydrant
• fire_hydrant:type={pillar,pond,underground}
• colour={red,yellow,green,blue,...}
• diameter=12 inches
30Sunday, April 13, 14
pillar - used in Germany, correct in US usage but not common. not used in UK.diameter - main diameterpressure - in bar (head pressure?), not relevant to US operating practicepond - inappropriate conflation
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Capacity Tags
• Proposed, not currently official• fire_hydrant:capacity=700 GPM
• fire_hydrant:class={AA,A,B,C}
• fire_hydrant:water_source={main,pond,stream}
• Capacity on streams?
31Sunday, April 13, 14
LPM for non-US jurisdictions
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Additional Tags
• More proposed tags• color:reflective={white,blue,yellow}
• color:bonnet={red,blue,green,white,...}
• color:cap={red,blue,green,orange,white}
• color:cap=grey;yellow
• in_service={yes,no}
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Other Properties
• Outlet sizes, threads• Wrench type and size
• triangular, square, pentagonal, hexagonal
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• Orientation
• Steamer valve perpendicular to curb vs 45 degree angle
Orientation probably not that important
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Dry Hydrant Tags
• Dry hydrant conditions• weeds• low water levels (winter)• lift
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Landing Zones
• Landing Zones (Med Evac)• current tags that are relevant
• name• operator
• need to characterize additional information
35Sunday, April 13, 14
don’t want to use the existing aviation tagging, as that is for general purpose landing facilities, not for emergency LZs
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Hazmat Data
• In the US, this actually information of public record
• Probably not be appropriate in OSM• Candidate for private data store
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Hazmat Use Cases
• Materials in building that’s on fire?• Materials in adjacent buildings• Plume direction/danger based on
prevailing winds• CAMEOfm capability that may be
easy to integrate• Potential interaction with GPS
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Other Considerations
• Policy on overriding One Way, Turn Restrictions
• Do we need different maps for different classes of emergency vehicles?
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Contact Info
• primary: [email protected]• secondary: [email protected]• OSM: nfgusedautoparts• Twitter: @nfgusedautopart
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Bonus Hydrant Image
• Dry Barrel• Valve at water main• Safety Flange
designed to fail• at grade level
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