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What are the life cycle costing benefits of a vegetated roof? (choose 2)

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发表于 2012-9-26 23:04:43 |只看该作者 |倒序浏览
试卷: LEED GA模拟题C[查看]
What are the life cycle costing benefits of a vegetated roof? (choose 2)
A: Longer product life
B: Lower maintenance costs
C: Reduced heat islands
D: Reduction in storm water runoff

参考答案: AB

本题解释:
A:According to some studies and some LEED documentation vegetated roofs have a longer product life than conventional roofs. Maybe that is due to the yearly maintenance and upkeep that should occur.
B:Life cycle costing (LCC) is the evaluation of the total cost of a building or product over its useful life, including initial, maintenance, repair and replacement costs as well as savings. LCC evaluates economic performance.

C:Reducing heat islands is an environmental benefit which would be determined by life-cycle analysis (environmental analysis).
D:Reducing stormwater runoff is an environmental benefit which would be determined by life-cycle analysis (environmental analysis).
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