Upgrading historic cities by integrated and innovative solutions

Abstract

During the ongoing rapid urbanisation process, many Chinese cities have redeveloped their inner city with large-scale demolishment and relocation. Yangzhou has adopted a different approach, and is actively taking measures to save and improve its historic centre. A substantial historical area of 5·1 km2 with about 110 000 residents, characterised by one- to two-storey traditional courtyard buildings and narrow lanes, remains. The old city is a rich heritage resource attractive to both tourists and residents. However, the houses are in disrepair, the infrastructure is insufficient and the historic area is facing an increasing risk of deterioration. To link heritage preservation with the improvement of living conditions, the Yangzhou municipal government, German Technical Cooperation (GTZ) and the Cities Alliance have embarked on a programme of sustainable urban conservation by upgrading traditional urban neighbourhoods and supporting self-help initiatives. In a pilot block, integrated concepts were developed. Innovative technical solutions appropriate to the narrow lanes were designed and tested. Infrastructure was installed and standards were developed. Concepts and measures of ecological water cycle management were introduced at the municipal level. Residents were involved through a community action planning (CAP) approach. They agreed on appropriate standards and became involved in upgrading their houses and lane façades. The initial successful experience is being planned for use throughout the entire historical area. Expanding the process as a model for other historic cities in China is also being considered.