the rdp has been greatly influenced by the prevailing sectoral policy approach in the central government between and the rdp was transformed from an urban and regional development programme into a collection of specific sectoral policies that had already existed such as the programme for the development of singleindustry towns modernisation of housing and communal facilities ak bulak programme and affordable housing programme these sectoral policies were put together as part of the rdp without any preliminary assessment of their efficiency for instance until recently the ak bulak programme focused exclusively on supplying drinking water and did not include any assessment of the possible impact of subjecting the sewage system to increasing volumes of water