"ref"=>"19","fire_hydrant:type"=>"underground","fire_hydrant:diameter"=>"80"
"ref"=>"20","fire_hydrant:type"=>"underground","fire_hydrant:diameter"=>"125"
"ref"=>"103","fire_hydrant:type"=>"underground","fire_hydrant:diameter"=>"100","fire_hydrant:position"=>"Einfahrt links"
"ref"=>"415","fire_hydrant:type"=>"underground","fire_hydrant:diameter"=>"125"
"ref"=>"105","fire_hydrant:type"=>"underground","fire_hydrant:diameter"=>"125"
"ref"=>"104","fire_hydrant:type"=>"underground","fire_hydrant:diameter"=>"100","fire_hydrant:position"=>"Im Beet"
"survey:date"=>"2019-05-09","water_source"=>"main","fire_hydrant:type"=>"underground","fire_hydrant:position"=>"sidewalk"