THE environment will not be an afterthought in the design and construction of the Klang Valley MRT. Architectural features that help in saving energy will be the station roof of the elevated stations, which will have extended overhang to significantly reduce direct sunlight and incoming rain. The roofs will also be well insulated to minimise heat transmission.
Design specifications emphasise the use of durable and low-maintenance building materials. For example, the station facade will employ glass and aluminium as primary materials for minimum maintenance. High performance polyvinylidene difluoride coating (PVDF) will be used to replace conventional surface paint. PVDF-coating (on aluminium cladding) gives a similar paint-life effect but lasts up to 20 years without fading as it is highly resistant to heat, chemicals and dirt build-up.
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