Technical implementation conflicts due to conflicts between the interests of public organisations led to the implementation of partial solutions without consideration of the wider project objectives. The lack of a comprehensive approach is evident in some developments, e.g. new housing has not been developed in accordance with sustainability criteria. Lessons Learned A clear will is essential when processes are complex. The success experienced so far has prompted the development of similar initiatives, for example a mixed public corporation and a pilot project focusing on mobility for the quarter's residents. The ad-hoc mixed corporation has offered flexibility and speed to the development process.
Participation is fundamental.
PERls need to be prepared within a general framework but implemented in a small spatial context to provide additional flexibility. Ajuntament de Barcelona. Primeres Jotnades Ciutat Vella. Barcelona New Projects. Ajuntament de Barcelona.