Wuhan’s very being is tied to its riverfront. For centuries, the confluence of the Yangtze and Han Rivers has served as a generator of commerce and driven growth in the historic towns of Wuchang, Hanyang, and Hankou, which today form the modern Wuhan. These rivers continue to play a major part in the life of the city and drive prosperity forward into the 21st century. Yet, despite success, Wuhan does not have an internationally-recognized Central Business District.
The design team was engaged to prepare a growth plan for 90 hectares of land accessed by the Second Ring Road and the recently completed Erqi Bridge, known as the Wuhan Bridgehead Central Business District. The district will be served by three Metro lines and an innovative Bus Rapid Transit network with pedestrian access from the Erqi Bridge that links the east and west halves of the city.
One of the major aspects of the plan is the management of stormwater on-site, which will be developed according to the Chinese “Sponge City” goals. In contrast to the Sponge City baseline of 60% onsite management, the plan is designed to manage 90% of stormwater on-site while returning 10% naturally-filtered stormwater to the Yangtze River Basin. This is achieved through a series of capture and reuse strategies at the building and parcel levels, in addition to the implementation of new techniques for stormwater capture and reuse on public streets and open spaces.
In order to develop a plan that was comprehensive for its environmental and livability performance, the design team developed a parametric model as a tool to test and optimize plan scenarios throughout the design process. This tool addresses land use and population, transit access, parks and open space distribution, as well as performance metrics for energy, water, waste, and carbon reduction.