Abstract
Lishui City, in accordance with the status quo and planning requirements, the old city to make full use of the existing stormwater pipes, some areas of the appropriate changes. New stormwater drainage system in urban sewage diversion. Determine the length of the planning for 2008 to 2020. Planning the past, long-term and long-term is divided into: 1. Recently: 2 years 2008 -2010. Long-term: 3 years 2011 -2020. Vision: the future in 2021. The preparation of the planning from the analysis of the status quo rain started in Lishui, Lishui City from points to consider environmental conditions, economic strength and management level, a few steps from reality, but also must ensure the maintenance of ecological, environmental protection requirements. Combined with the status quo, and give full play to the existing drainage facilities in the city's role to consider the reasonableness of the long-term planning, taking into account the feasibility of the near future to facilitate a phased step-by-step implementation of operational planning.
Keywords：rainwater special planning; rain sewage diversion; combination of the status quo; reasonable arrangements
