Page 44 - GRIHA Manual Volume IV - Introduction to National Rating System
P. 44
Building planning and construction 35
Thus, the above design case meets the requirements of appraisal 16.3.1.
Non-structural application
Consider a building in which the total volume of blockwork is 1000 cu m. In the base case, clay-fired
bricks are used for the blockwork. In the design case, soil-cement (6%) blocks are used.
Embodied energy of clay-fired bricks = 2514 MJ/cu m 6
Embodied energy of soil-cement (6%) blocks= 595 MJ/cu m 7
Embodied energy of the base case = 2514x1000 = 2 514 000 MJ
Embodied energy of final case = 595x1000 = 595 000 MJ
Therefore, the reduction in embodied energy of the blockwork of the building
= {(2 514 000-595 000)/2 514 000} x 100 = 76.33%
Therefore, the use of soil-cement (6%) blocks reduces the embodied energy of the building
blockwork by 76.33%. Thus, the final case meets the requirements of appraisal 16.3.2.
The following are a few sample calculations and documentation from GRIHA registered projects.
Figure 1 The igure shows the calculation done by a GRIHA registered project demonstrating conformity with the
Appraisal 16.3.1
6 Ibid
7 Ibid
Thus, the above design case meets the requirements of appraisal 16.3.1.
Non-structural application
Consider a building in which the total volume of blockwork is 1000 cu m. In the base case, clay-fired
bricks are used for the blockwork. In the design case, soil-cement (6%) blocks are used.
Embodied energy of clay-fired bricks = 2514 MJ/cu m 6
Embodied energy of soil-cement (6%) blocks= 595 MJ/cu m 7
Embodied energy of the base case = 2514x1000 = 2 514 000 MJ
Embodied energy of final case = 595x1000 = 595 000 MJ
Therefore, the reduction in embodied energy of the blockwork of the building
= {(2 514 000-595 000)/2 514 000} x 100 = 76.33%
Therefore, the use of soil-cement (6%) blocks reduces the embodied energy of the building
blockwork by 76.33%. Thus, the final case meets the requirements of appraisal 16.3.2.
The following are a few sample calculations and documentation from GRIHA registered projects.
Figure 1 The igure shows the calculation done by a GRIHA registered project demonstrating conformity with the
Appraisal 16.3.1
6 Ibid
7 Ibid
