80% of a product's environmental impact over its life cycle is determined during the use phase, it is the common affirmation. But that is true for Buildings design? How can you verified if that is true in design phase or use phase?
Hi Rolando,
In Ireland, constantly rising fuel costs coupled with growing environmental awareness has pushed this type of question to the fore in recent years and more than ever, so too, building design concepts are being guided by such.
Being driven by European directive (http://energyaction.ie/wp/nzeb/), near zero energy building (NZEB) design principles including such considerations as photovoltaic/wind energy/heat pump/MVHR systems coupled with rain water harvesting systems; insulation; strategic arrangement & orientation of fenestration and associated shading, once given comparatively little consideration, are set to become the norm. Therefore the vast amount are design considerations.
Hi Rolando,you can have a look at my paper:
F. Asdrubali, C. Baldassarri, V.Fthenakis: “Life Cycle Analysis in the construction sector: guiding the optimization of conventional Italian buildings”, Energy and Buildings, 64 (2013), 73-89
You can download it from Research Gate
We have found that the impact of the construction phase can be even more than 20% of the impact of the entire life cycle of a building
In the Indian context I do not think that the environment impact assessment is considered for residential / commercial projects in urban/rural areas. However large/mega infrastructure facilities falling in coastal regulation zones, power plant projects, etc are not approved by the Government without having the EI assessment report in place.
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