With experience of mapping vulnerable and unmapped locations across the world, HOT is overseeing community mapping efforts in Dar es Salaam in order to map the most flood prone wards of the city. He put the work in the context of open data, explaining that maps are created in collaboration between students and community members, produced and presented to the communities in each ward, and all finally data is freely accessible online to anyone.
HOT inasimamia jitihada za jumuiya ya ramani jijini Dar es Salaam ili kuaandaa ramani zaidi katika maeneo yanayo kumbwa na mafuriko mjini.alieleza na kuweka kazi katika mazingira ya wazi kila mtu kuipata taarifa ya uandaaje wa ramani,alieleza kuwa ramani iliandaliwa kwa kushirikiano kati ya wanafunzi na wanajami husikai, na baadae kuwasilishwa kwenye jamii katika kila kata, kwa data za mwisho huwakilishwa katika mtandao.