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Innovative 3 word addressing system and Esri’s global GIS platform is helping Denver save lives

The Metropolitan Area Communications Center (MetCom) provides 911 fire and EMS dispatch services for 6 fire departments across the Denver metro area. MetCom also provides Computer-Aided Dispatch (CAD) and GIS support for 12 additional fire departments, with a total of 98 fire stations that serve almost a million people across a 2,100 square mile area around Denver.

One of the keys to a fast response and citizens’ safety is knowing exactly where fire hydrants are and what condition they are in. MetCom maintains over 57,000 hydrants within their SDE Database. Documenting the accurate state of hydrants and their locations is the responsibility of each fire department. Maintenance surveys are conducted in person and because street addresses are not accurate enough, the details and GPS coordinates for each hydrant are recorded and sent to MetCom to be incorporated into the GIS database.

However, capturing long strings of numbers in the field combined with negotiating the different coordinates systems and geographic projections mean that errors occur often and are difficult to spot. Coordinates are impossible to remember, even in the short term, and errors in understanding, communication and transcription make their use difficult. To solve this MetCom started using what3words.

what3words is a global address system based on a grid of 3mx3m squares. It uses an algorithmic engine similar to that of a coordinate system and has given each of the 57 trillion squares a pre-assigned and fixed address of 3 words. The use of words means non-technical people can find any location accurately and communicate it more quickly, more easily and with less ambiguity than any other system.

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what3words has its own apps including iOS, Android and web. Last year the world’s leading global geographic information software company, Esri, made what3words available across its ArcGIS platform as a locator.

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I was receiving inaccurate lat/long information (DMS in WGS 84) from some non geospatial users doing field work collecting fire hydrant and other point data. I showed them how to use the what3words app and asked them to send the three words corresponding to said location to me. Then, I used the locator in ArcGIS to find the exact location. It works great! This application has saved me a lot of time and avoided lengthy emails trying to explain geodesy.

Heather Hoelting, MetCom 911, Centennial, Colorado
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Geographical information is a fundamental business tool. A simple way to communicate location is essential to unleash its full potential for everyone. what3words has solved a major aspect of that problem. Addressing has just got easier.

Jack Dangermond, the President of Esri

what3words has also been integrated into other first response services including ResGrid, FMS, Tensing, BlueLight and is available in over 30 data collection and GIS tools and platforms.

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Every second counts when deploying an emergency response and communicating location simply and easily is critical. Historically this has been challenging and we are delighted that what3words is being used as part of a solution.

Chris Sheldrick, CEO what3words


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About what3words

what3words is a global grid of 3m x 3m squares where each square has been pre-allocated a fixed and unique 3 word address.

75% of the world suffers from inconsistent, complicated or inadequate addressing systems.

This means that around 4 billion people are invisible; unable to report crime; unable to get deliveries or receive aid; and unable to exercise many of their rights as citizens because they simply have no way to communicate where they live.

It means that in remote locations water facilities can’t be found, monitored and fixed; and schools, refugee camps and informal settlements remain unaddressed. Even in countries with advanced systems, people get lost, packages aren’t delivered and businesses aren’t found.

Poor addressing is costly & annoying in developed countries, but limits growth and threatens lives in developing ones.

Our API is being integrated into businesses, apps & services. It works across all platforms and devices, in multiple languages, offline and with voice recognition.

what3words means everyone and everywhere now has an address.