cost effective technologies |
in place of conventional options |
proportion of savings |
Foundations |
||
piles foundations (under reamed) |
traditional stone/ brick |
0.15 |
brick arch foundations |
footings |
0.25 |
Walling (superstructure) |
||
230mm thick wall in lower floor |
330 mm brick walls |
0.05 |
180mm thick wall in bricks |
230 mm brick walls |
0.13 |
150/200 stone block masonry |
random rubble masonry, ashlar mason. |
0.3 |
stabilized mud blocks |
burnt brick walls |
0.2 |
FaL-G Block masonry |
Clay brick wall |
0.2 |
Fly ash brick wall |
Clay brick wall |
0.25 |
Rap trap bond walls |
English/Flemish bond |
0.25 |
hollow block walls |
solid masonry |
0.2 |
Roofing |
||
85mm thick sloping RCC |
110mm RCC |
0.3 |
Tiles over RCC rafters |
tiles over timber rafters |
0.25 |
Brick & panel with joists |
RCC |
0.2 |
Cuddapah slabs over RCC rafters |
CS over timber rafters |
0.2 |
L-panel sloping roofing |
RCC |
0.1 |
RCC plancks over RCC joists |
RCC |
0.1 |
Ferrocement shell roofing |
RCC |
0.4 |
Filler slab roofing |
RCC |
0.22 |
waffle roofing |
RCC |
0.15 |
RCC channel units |
RCC |
0.12 |
Kack arch brickroofing |
RCC |
0.15 |
Brick funicular shell roofing |
RCC |
0.3 |
Rpecast blocks over inverted T-beams |
RCC |
0.25 |
microconcrete |
Clay tile roofing, AC sheet roofing |
0.15 |
Miscellaneous items |
||
RCC door frames |
timber frames |
0.3 |
frameless door shutters |
frames and shutters |
0.5 |
ferrocement door shutters |
tumber shutters (énd class timber) |
0.3 |
RCC window frames |
timber frame |
0.3 |
RCC jallies |
timber/windows / ventilators |
0.5 |
precast thin lintels |
RCC lintels |
0.25 |
precast sun-shades |
cast sunshades |
0.3 |
ferrocement sun shadescum-lintels |
RCC lintel-cum-sushades |
0.5 |
brick on edge lintels |
RCC lintels |
0.5 |
corbelling for lintels |
RCC lintels |
0.5 |
brick arch for lintels |
RCC lintels |
0.3 |
precast RCC shelves units |
timber/concrete |
0.25 |
precast foerrocement shelves |
timber/concrete |
0.4 |
ferrocement manhole cover |
casion / concrete |
0.45 |
ferrocement water tank |
rigid PVC |
0.6 |