Page 77 - GRIHA Manual Volume I - Introduction to National Rating System
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64 Griha Manual: Volume 1
Total paved area onsite include parking, dry waste, side walks, roads, boundary walls, and often
plazas, walkways etc.
5.2.2 Site plan (one drawing) with area statements clearly showing all paved areas (paved areas
should be labelled as per use, e.g. walkways, driveways, parking, sit out etc.). The following
details should be followed as applicable.
# Demarcate areas that have vegetated roof. Provide details of vegetated roof.
# In case high refl ectance surface is provided, submit details of refl ectance of surface
fi nish.
# Demarcate areas having previous paving.
5.2.3 Certifi cate by Architect to certify that total surface parking not to exceed as permitted by
local bylaw.
5.3 Appraisal (maximum points – 2) partly mandatory
5.3.1 Net paved area of site under parking, roads, paths, or any other use not to exceed 25%
of site area or net imperviousness of site should not exceed the imperviousness factor as
prescribed by National Building Code 2005, Part 9 (Plumbing services) section 5.5.11.2.1,
whichever is more stringent. As per clause equation 1 and equation 4 (Reference documents:
5.2.1 and 5.2.2) (1 point)
5.3.2 Total surface parking not to exceed as permitted by local bylaw (mandatory) and
# more than 50% of the total paved area to have pervious paving/open grid pavement/
grass pavers (equation 4), or
# minimum 50% of the total paved area (including parking) to have shading by vegetated
roof/pergola with planters (equation 4), or
# minimum 50% of the total paved area (including parking) to be topped with fi nish with
solar refl ectance of 0.5 or higher (equation 4). (Reference documents: 5.2.1 and 5.2.2)
# Minimum 50 % of total paved area (including parking) to have any combination of the
above mentioned strategies where common area having two or more strategies shall be
calculated only once (equation 4). (1 point)
Total paved area onsite include parking, dry waste, side walks, roads, boundary walls, and often
plazas, walkways etc.
5.2.2 Site plan (one drawing) with area statements clearly showing all paved areas (paved areas
should be labelled as per use, e.g. walkways, driveways, parking, sit out etc.). The following
details should be followed as applicable.
# Demarcate areas that have vegetated roof. Provide details of vegetated roof.
# In case high refl ectance surface is provided, submit details of refl ectance of surface
fi nish.
# Demarcate areas having previous paving.
5.2.3 Certifi cate by Architect to certify that total surface parking not to exceed as permitted by
local bylaw.
5.3 Appraisal (maximum points – 2) partly mandatory
5.3.1 Net paved area of site under parking, roads, paths, or any other use not to exceed 25%
of site area or net imperviousness of site should not exceed the imperviousness factor as
prescribed by National Building Code 2005, Part 9 (Plumbing services) section 5.5.11.2.1,
whichever is more stringent. As per clause equation 1 and equation 4 (Reference documents:
5.2.1 and 5.2.2) (1 point)
5.3.2 Total surface parking not to exceed as permitted by local bylaw (mandatory) and
# more than 50% of the total paved area to have pervious paving/open grid pavement/
grass pavers (equation 4), or
# minimum 50% of the total paved area (including parking) to have shading by vegetated
roof/pergola with planters (equation 4), or
# minimum 50% of the total paved area (including parking) to be topped with fi nish with
solar refl ectance of 0.5 or higher (equation 4). (Reference documents: 5.2.1 and 5.2.2)
# Minimum 50 % of total paved area (including parking) to have any combination of the
above mentioned strategies where common area having two or more strategies shall be
calculated only once (equation 4). (1 point)
