CONSTRUCTION ENVIRONMENT - The Hong Kong Polytechnic ...
CONSTRUCTION ENVIRONMENT - The Hong Kong Polytechnic ...
CONSTRUCTION ENVIRONMENT - The Hong Kong Polytechnic ...
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Figure 3: Projected nighttime temperature map of<br />
Kowloon in 2039<br />
2039 <br />
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Figure 4: Nighttime temperature map of Kowloon in<br />
2008<br />
2008 <br />
35 38 <br />
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2039 <br />
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2 3 ( 1<br />
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2)<br />
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2 31.5 2039 <br />
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2007 <br />
2100 3 6 <br />
3.7 6.8 <br />
0.08 <br />
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Noise-reducing windows developed<br />
by BSE researcher et al.<br />
In a 4-year collaboration between the Environmental Protection<br />
Department, the Housing Authority, and the <strong>Hong</strong> <strong>Kong</strong><br />
<strong>Polytechnic</strong> University, researchers led by Prof. Tang Shiu<br />
Keung of the Department of Building Services Engineering<br />
have developed a means of blocking out noise and increasing<br />
ventilation by installing windows strategically in buildings<br />
located at busy intersections, including the public housing<br />
estate project on Prince Edward Road East in San Po <strong>Kong</strong>. This<br />
is the first time that a housing project has made use of these<br />
innovative noise-reducing windows, which cost HK$22,000 each<br />
and consist of two layers of glass. Even though their cost is<br />
more than that for installing air-conditioners, such windows can<br />
cut down the use of air-conditioners and save energy in the long<br />
run because their external panels can be opened for ventilation,<br />
while the internal ones can slide shut to block out any noise. It<br />
is estimated that 857 units at this particular housing estate will<br />
feature such windows when the project is completed in 2016.<br />
<strong>The</strong> scarcity of land in <strong>Hong</strong> <strong>Kong</strong> has resulted in many housing<br />
estates being built near busy highways that are inevitably noisy.<br />
Developers now need to include in their plans various ways to<br />
reduce noise to a level not exceeding the city planning guidelines<br />
of 70 decibels before they can begin construction. This will<br />
hopefully lead to more widespread use of noise-reducing<br />
windows, which have also been installed in the new resident<br />
halls for PolyU students in Homantin.<br />
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2016<br />
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12