(1) What (a) measures have been put in place to (i) develop and (ii) implement a comprehensive plan to address the housing crisis in Kya Sands in Johannesburg, considering the urgent need for improved living conditions and infrastructure such as sanitation facilities and drainage systems and (b) specific measures have been taken to ensure that residents are protected from the immediate threat of infectious diseases, given the alarming density of makeshift dwellings and the lack of proper sanitation facilities, especially in the context of the ongoing risks posed by heavy rains and potential flooding?