| Summary: | 碩士 === 國立成功大學 === 建築學系碩博士班 === 99 === In recent year, due to the contribution to economic development and the effort from the people.It make Taiwan formally from a developing countries to the developed countries. However, the rapid economic development of urbanization has also caused serious phenomenon, coupling with the early construction of the buildings without considering the sustainable green building concept in the planning and designing. In the event, the building is still used, but in the ecology、energy and resource have great adverse impact and loss. In further discussion, according to the Construction and Planning Agency survey, the existing buildings currently account for 97% of the total building. the ratio of existing buildings in Taiwan found. that it’s high-water problems are often caused by land warming and rising peak power consumption one of the main.
It can be known by review the Literature. That the Government force the public buildings in green building design in 2002, and promote the “Green Building towards Eco-City Promotion Project” in 2008. the project is coordination measure stipulated at article 11 that a reward or subsidy will be granted for promoting the refurbishments among existing buildings. the green building remodeling Engineering can be done for the old building owing by the government who providing funding and the universities. However, discus the transformation of benefits and cost-benefit analysis before and after further；through the “Green Building Refurbishment, Diagnosis and Rehabilitation Project”. The main purpose is to understand which plans can achieve the highest level, which account Draw the most economic efficiency requirements.
In this research, it focus on the calculation, camparsion and analysis for the reconstruction project cost and benefit. As a result, 12 cast in the 2008-2009 is renovated engineering by the on-site water retention indicator, Government investment amounted to more than twenty-one million and received a total of about 1281m3 on-site water retention, the average cost is from four thousand to seven hundred each 1m2 permeable pavement；Indoor illumination improvement had 16 case and the amount of the inverstment are more than eighteen million. It can save the electricity about 1.88 million in one year, and the payback period is about 9.9 years the cost of the total project cost；Outdoor illumination improvement had 15 case. Government investment amount to more than twenty million, and it can save the electricity about 1.28 million, and the payback period is about 15.45 years the cost of the total project cost；Water Resources indicator improvement had 8 case. Government investment amounted to more than 20.51 million, annual volume of 13,853 tons recycled rainwater, about 145 thousand of water, and the payback period is about 141 years the cost of the total project cost；Outdoor the wooden trellis shelter improvement had 4 case. Government investment amounted to more than eleven million, total volume to using 605.73m3 of forest regeneration wood, can reduce total CO2 emissions by around 522823.73kg, the average cost of one tonne of carbon reduction ninety-six thousand five hundred fifty-one；Green roof improvement had 6 case. Government investment amounted to more than 10.78 million, CO2 can be fixed total volume of 346360kg, the average cost of one tonne of carbon reduction fifty-seven thousand one hundred and twenty.
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