Page 41 - GRIHA Manual Volume IV - Introduction to National Rating System
P. 41
32 Griha Manual: Volume 4
Plasters (15 mm thick)
1. Cement sand plaster 1:6 cement, sand m 2 30
2. Lime surkhi sand plaster 1:3 lime surkhi m 2 91
3. White wash 2 coats m 2 1
Roof
1. Reinforced cement concrete (100 mm) 1:2:4 cement, sand, aggregate m 2 523
2. Reinforced brick concrete (150 mm) 1:3 cement sand mortar m 2 592
3. Sandstone rooing (25 mm thick stone) Pre-cast RCC beams m 2 196
Sub-loor
1. Lime concrete on rammed earth 1:2:6 lime, surkhi, brick ballast m 3 7477
2. Plain cement concrete 1:2:4 cement, sand, aggregate m 3 1465
Floor
1. Plain cement concrete (25 mm thick) 1:2:4 stone aggregates m 2 94
2. Stone on cement sand mortar (25 mm 1:5 cement sand aggregates m 2 70
thick)
Source TERI’s Knowledge Bank/Energy for Building, Improving energy eficiency in construction and in the production of building
materials in developing countries, United Nations Centre for Human Settlements (Habitat), Nairobi, 1991.
Table 4 Energy Intensity of different wall assemblies
Wall Assembly Material Unit Quantity MJ/unit Total energy MJ
per m 2
Solid bricks, 115 mm, Bricks Number 56 4.27 430
plastered on both sides Cement Bags 0.47 400
Sand m 3 0.07
Hollow concrete blocks, Cement Bags 0.42 400 235
100 mm, plastered on Sand m 3 0.07 420
both sides Lime m 3 0.005 7000
Aerated concrete Cement Bags 0.4 400 197
blocks, 100 mm, Sand m 3 0.36
plastered on both sides Lime m 3 0.005 7000
Stone masonry, 100 Cement Bags 0.385 157 178
mm, plastered on both Sand m 3 0.34 420
sides Stone m 3 0.05
Source: TERI’s Knowledge Bank/Energy for Building, Improving energy eficiency in construction and in the production of building
materials in developing countries, United Nations Centre for Human Settlements (Habitat), Nairobi, 1991.
Table 5 Energy intensity of various rooing systems
Roof system Roof type Total MJ/m 2
Reinforced concrete slab Flat 522
Reinforced brick concrete slab Flat 489
Pre-cast concrete cored unit Flat 427
Pre-cast concrete channel unit Flat 357
Corrugated galvanized iron sheets (30 gauge) Pitched 605
Clay tiles (12.5 mm) Pitched 158
Concrete tiles Pitched 72
Source: TERI’s Knowledge Bank/Energy for Building, Improving energy eficiency in construction and in the production of building
materials in developing countries, United Nations Centre for Human Settlements (Habitat), Nairobi, 1991.
Plasters (15 mm thick)
1. Cement sand plaster 1:6 cement, sand m 2 30
2. Lime surkhi sand plaster 1:3 lime surkhi m 2 91
3. White wash 2 coats m 2 1
Roof
1. Reinforced cement concrete (100 mm) 1:2:4 cement, sand, aggregate m 2 523
2. Reinforced brick concrete (150 mm) 1:3 cement sand mortar m 2 592
3. Sandstone rooing (25 mm thick stone) Pre-cast RCC beams m 2 196
Sub-loor
1. Lime concrete on rammed earth 1:2:6 lime, surkhi, brick ballast m 3 7477
2. Plain cement concrete 1:2:4 cement, sand, aggregate m 3 1465
Floor
1. Plain cement concrete (25 mm thick) 1:2:4 stone aggregates m 2 94
2. Stone on cement sand mortar (25 mm 1:5 cement sand aggregates m 2 70
thick)
Source TERI’s Knowledge Bank/Energy for Building, Improving energy eficiency in construction and in the production of building
materials in developing countries, United Nations Centre for Human Settlements (Habitat), Nairobi, 1991.
Table 4 Energy Intensity of different wall assemblies
Wall Assembly Material Unit Quantity MJ/unit Total energy MJ
per m 2
Solid bricks, 115 mm, Bricks Number 56 4.27 430
plastered on both sides Cement Bags 0.47 400
Sand m 3 0.07
Hollow concrete blocks, Cement Bags 0.42 400 235
100 mm, plastered on Sand m 3 0.07 420
both sides Lime m 3 0.005 7000
Aerated concrete Cement Bags 0.4 400 197
blocks, 100 mm, Sand m 3 0.36
plastered on both sides Lime m 3 0.005 7000
Stone masonry, 100 Cement Bags 0.385 157 178
mm, plastered on both Sand m 3 0.34 420
sides Stone m 3 0.05
Source: TERI’s Knowledge Bank/Energy for Building, Improving energy eficiency in construction and in the production of building
materials in developing countries, United Nations Centre for Human Settlements (Habitat), Nairobi, 1991.
Table 5 Energy intensity of various rooing systems
Roof system Roof type Total MJ/m 2
Reinforced concrete slab Flat 522
Reinforced brick concrete slab Flat 489
Pre-cast concrete cored unit Flat 427
Pre-cast concrete channel unit Flat 357
Corrugated galvanized iron sheets (30 gauge) Pitched 605
Clay tiles (12.5 mm) Pitched 158
Concrete tiles Pitched 72
Source: TERI’s Knowledge Bank/Energy for Building, Improving energy eficiency in construction and in the production of building
materials in developing countries, United Nations Centre for Human Settlements (Habitat), Nairobi, 1991.
