The approach of this research are research and development approach which aims to enlarge the given model. The data retrievement technique are observation, an in-depth interview, and document observation. The result of the research shows PBAK program which based on the family in Prenggan is already work but less maximum. The indicators of this research are: first, the minimum stakeholders participation, especially the local government and the young organization, the only active participation comes from the volunteers and the passive participation comes from the target family. Second, the continuation of program constrains by the low understanding of local government, a little amount of human resourcer both in quantity and quality, not independent financial aspect, there are no supporting policy from the local government, low regeneration of KPK volunteers in Prenggan. Therefore, the researcher offers a model enlargement alternative which is the implementation of participative and sustainable program. This result is based on the given main model, which is the partial model because there are no sustainable briefing, and also the low participation of the stake holders. Keywords: The model enlargement, program implementation, participative, sustainable