[HOT] Mapping buildings in Kano, Nigeria

[Frank Salet]

Hello HOT,

Nigeria is among the last few countries in the world that has not yet
interrupted the transmission of wild poliovirus. The transmission of the
virus in Nigeria is limited to a few northern states, and seems to have the
most reported cases in the densely populated areas of Kano State. Again, in
the first quarter of 2014 there were two fresh cases of wild polio virus
type 1 in and around Kano Metropolitan.

Almost each month a nationwide vaccination campaign is organized by the
government in collaboration with global health organisations. During a
vaccination campaign, ten-thousands of teams go out to immunize the
children. Maps and geodata are being used to plan the campaigns and to
calculate the coverages. The planning of campaigns includes subdividing the
settlements among the vaccination teams, navigation to settlements, and
distribution of vaccines. The calculation of coverages is being done by
giving GPS-trackers to each team, in order to verify if all settlements got
visited.

Geodata is therefore an essential aspect of the polio vaccination campaign,
and the better the geodata is, the better the campaigns can be organized
and the better they can be assessed. For this purpose OpenStreetMap is used
as a main source for geodata. In that respect we would like to ask to
OpenStreetMap community to help with mapping northern Nigeria, and in
particular, Kano Metropolitan area.

In collaboration with eHealth Systems Africa, several base datasets have
been imported in OSM, like the administrative boundaries (
https://wiki.openstreetmap.org/wiki/Import_Nigeria_eHealth_Africa_Boundaries
 and
https://wiki.openstreetmap.org/wiki/Import_Nigeria_eHealth_Africa_Boundaries_%282%29
)
and the urbanized areas (
https://wiki.openstreetmap.org/wiki/Import_Nigeria_eHealth_Africa_Residential_Areas
).
Moreover, the roads around all Kano state are being edited directly in OSM (
http://tasks.hotosm.org/job/474 ). To continue these improvements we kindly
ask to further map the Kano Metropolitan area in high detail, that includes
buildings and all roads and streets. When all buildings are mapped, eHealth
Systems Africa will use this information to verify whether vaccination
teams have visited all streets and all households to immunize all the
children.

We have created a job in the HOT Tasking Manager (
http://tasks.hotosm.org/job/537 ) for this purpose. As priority for the
task we have now set it to 'medium', but feedback on this is welcome.

Please let me know if more information is required, or if you have ideas on
how to continue.

Kind regards,

-- 
*Frank Salet*

GIS Manager
*eHealth Systems Africa*

www.eHealthAfrica.org
25 Race Course Road, Kano, Nigeria
mobile: (NG) 0809-9850211
            (US) 714-627-9289
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