为了满足小浪底水库围堰区移民安置实施需要，在国家批准的初步设计投资概算基础上，根据国家有关法律、法规和有关行业规范规定，考虑政策性变化、物价变化和实施需要，系统地提出了移民安置补偿投资概算的编制依据、原则、项目划分和单价分析方法。 In order to meet the need of resettlement implementation for the Xiaolangdi Reservoir cofferdam, based on the preliminary estimated investment budget approved by the State, in accordance with the relevant laws and regulations of the state and relevant industry regulations, the policy changes, price changes and implementation needs are considered, systematically put forward Basis, principle, project division and unit price analysis method of resettlement investment budget estimate.