Participation is the participation of a person in a social group to take part of existing community activities, outside of their work. Community participation is needed in a development program because the success of the program is related to community participation in running the program. Tambakrejo village became one of the villages that run the PLPBK program in Semarang City because of a good achievement from BKM. The purpose of this study was to determine community participation in the development of environmental infrastructure in the PLPBK program in Tambakrejo Village. The quantitative approach was used in this study by distributing 87 questionnaires and conducting interviews, observation and document review. Forms of participation given by society such as money, goods, energy and thoughts. The level of community participation is at the level of notification, meaning that in the development of environmental infrastructure in the PLPBK program there is a provision of information to the public. The sustainability of the PLPBK program in Tambakrejo Village is closely related to the level of community participation and the role of the parties involved in implementing the PLPBK Program.

Slum area remains as the main problem faced in urban settlement areas, especially in developing countries. Slum area in Central Bangka Regency reaches a total area of 55.92 hectares, covering 9.1% of Central Bangka Regency area. The local government formulized a strategy named Construction and Development Plan of Housing and Settlement Areas (Rencana Pembangunan dan Pengembangan Perumahan dan Kawasan Permukiman/RP3KP). The objective of this strategy is to analyze whether the strategy for slum upgrading in Central Bangka Regency has been formulated effectively. This is significant since a study of the strategy needs to be conducted before the strategy is legalized and becomes the basic framework for implementation. Quantitative technique is depicted throughout this article by comparing strategies resulted from the RP3KP document with literature driven indicators and with Law Number 1 Year 2011 on Housing and Settlements. Result shows that the plan has been formulated effectively according to three assessment aspects, namely political aspects, administrative aspects, and their suitability to Law Number 1 Year 2011. Despite, for more effective implementation, is it suggested to operationalize the strategy by formulating mechanisms and instruments for effective governance. More detailed implementation strategies shall be regulated, to not only concentrate on physical aspects, but also on non-physical aspects, such as social, economic, and demographical aspects.