QUOTE(GangHo @ Aug 24 2010, 08:04 PM)
Perform a simple probe is good enough to determine the soil strength for your case.
2 storeys residential building does not require any piling unless it is on the reclaimation land. Otherwise for non-reclaimation land, the soil bearing capacity could easily achieved 60kpa. With this assumption, by having the slab as non-suspended slab and 6 columns to carry the load. Each footing would be about 2mx2m in size.
oic
. By the way, how does it look 2m x 2m? wouldn't it be looking very large? Is it for the sidewalk too? I mean horizontally?
Added on August 27, 2010, 1:17 amQUOTE(jphlau @ Aug 26 2010, 11:34 AM)
since u are extending the ground and the first floor, piling is highly recommended. You will need to build ground beam and first floor beam to support the walls and the floors.
How much is the difference in price estimation if we do piling and without piling?
Some said that we need big pillars to support our walls or else it may fall or collapse one day when we have extension on the first floor later..is it true?
Added on August 27, 2010, 1:24 amQUOTE(GangHo @ Aug 26 2010, 12:23 PM)
I have too many 2 storeys and 3 storeys buildings constructed without piling. Recommendation of foundation type should be done after soil investigation.
really ahh? Are you one of the contractor? how many extra feet do we need if we want to use slabs without taking up space of 15' x 22'? I mean do we need to add any additional space for building the walls and frame ?
Can we reuse any sliding door or window casements which are taken out during renovation?
This post has been edited by bunnyhoney: Aug 27 2010, 01:24 AM 
Aug 24 2010, 04:10 PM, updated 16y ago
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