The Economic Analysis On Flat To Slope Roof Renovation Project For Existing Building In Beijing

The flat to slope roof renovation project was introduced to upgrade the city landscape, improve people's living environment, and change the conditions of some old buildings which have single style, dull image, or is lack of functions. Many domestic cities has launched flat to slope roof renovation project since year 1999 when shanghai became trail pilot. Before year 2008 in Beijing, aiming at welcoming the Olympic Games, huge amount of flat to slope roof renovation projects were applied to beautify city scenery, improve the environment of streets and avenues,. After the Olympic Games was successfully completed, the government continues to run the flat to slope roof renovation project as the long-term mechanism for building up capital environment, and a efficient method of energy saving for current existing buildings. Nevertheless, there are many criticisms and questions about the flat to slope roof renovation project in society. The main reason of these voices is that there is no clear explanation about whether this project is reasonable and feasible from the economic point of view.This essay focuses on the analysis to flat to slope roof renovation project from economic view by adopting the methods of literatures researching, market survey, data collecting, comparison, case analyzing, and economic evolution of project. First of all, after a brief introduction about the basic information of flat to slope roof renovation project and a review of related theories about the cost structure of project investment, it will clarify the cost structure of flat to slope roof renovation project. And then it will conduct the general cost of this project by using overall comparison of several applying cases, as well as by inductively analyzing the cost data of existing applied building projects.Second of all, on the basis of analyzing the applying effect of flat to slope roof renovation project, we conduct an project benefit analysis and calculation from four sides, namely upgrading landscapes, improving environment and living comfort ability, reducing the cost of maintaining and repairing waterproof of the buildings, and energy saving. And in terms of the benefits structure, we propose the funding contribution proportion of flat to slope roof renovation project.Third of all, taken the analysis between cost and benefit of flat to slope roof renovation project into account, there will be a financial evaluation, a cost-benefit analysis (economic evaluation), and sensitivity analysis on this project in this essay. It will clarify that flat to slope roof renovation project is financially feasible from the project point of view, and economically reasonable from the domestic economic aspect. And meantime, it raises some important issues that should be focused with regarding to the investment decisions making. Several classic cases will be cited to make further proof.Last of all, after overall summarized above analysis, the conclusion of this essay is given. It will be further pointed that flat to slope roof renovation project is reasonable and feasible from the economic point of view, and this essay can provide some basis points and reference for the investment and decision making of related departments. Also, the researching and thinking methods of this essay, can be used for reference for similar topic, especially those projects of existing building energy saving.