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Question for a4architect
Spitze
#401 Posted : Monday, October 01, 2012 8:17:17 PM
Rank: New-farer

Joined: 2/9/2012
Posts: 17
Location: Nairobi
Hi Wazuans, What is the effect of using hand-made ballast (ile vijana wanatengeneza na nyundo) as opposed to machined ballast on the quality of foundation? A friend tells me the trick is to mix the two types to save on cost. But is it worth it?
stock.enigma
#402 Posted : Monday, October 01, 2012 8:39:17 PM
Rank: Member

Joined: 8/14/2009
Posts: 244
what i can say is that my fundis prefer it and have never encountered any probem ever since i started using it
Foz00
#403 Posted : Monday, October 01, 2012 10:06:23 PM
Rank: Member

Joined: 1/13/2011
Posts: 297
Location: Nairobi
cracks cracks cracks, usijaribu!
Eng. Kamau
#404 Posted : Tuesday, October 02, 2012 9:53:23 AM
Rank: New-farer

Joined: 12/14/2010
Posts: 30
Hi Wazuans, how long should I wait after the first floor slab of a maisonette is done before I start putting up walls on that first floor? Is there any effects if I do it before the 21 days given are over? Kindly let me have your advice.
Precise, verified and certified details.
GGK
#405 Posted : Tuesday, October 02, 2012 10:42:15 AM
Rank: Member

Joined: 11/21/2006
Posts: 608
Location: Ruiru
Engineer, I thought you should be telling us?

I guess you can koroga on Sato [06/Oct/12].... slab ipewe maji ya kutosha for the week after and start building on the Monday [15/Oct/12]

Don't remove the form-work. continue watering.
Don't quote me if anything goes wrong

Eng. Kamau wrote:
Hi Wazuans, how long should I wait after the first floor slab of a maisonette is done before I start putting up walls on that first floor? Is there any effects if I do it before the 21 days given are over? Kindly let me have your advice.

"..I am because we are. "― Ubuntu, Umtu,
Rahatupu
#406 Posted : Tuesday, October 02, 2012 11:43:13 AM
Rank: Veteran

Joined: 12/4/2009
Posts: 1,982
Location: matano manne
GGK wrote:
Engineer, I thought you should be telling us?

I guess you can koroga on Sato [06/Oct/12].... slab ipewe maji ya kutosha for the week after and start building on the Monday [15/Oct/12]

Don't remove the form-work. continue watering.
Don't quote me if anything goes wrong

Eng. Kamau wrote:
Hi Wazuans, how long should I wait after the first floor slab of a maisonette is done before I start putting up walls on that first floor? Is there any effects if I do it before the 21 days given are over? Kindly let me have your advice.




@GG follow Engineer's prescription kama dawa strictly.
Spitze
#407 Posted : Thursday, October 04, 2012 8:55:14 PM
Rank: New-farer

Joined: 2/9/2012
Posts: 17
Location: Nairobi
Foz00 wrote:
cracks cracks cracks, usijaribu!


Thanks a lot for the advice, will avoid it
Wakanyugi
#408 Posted : Thursday, October 04, 2012 9:48:31 PM
Rank: Veteran

Joined: 7/3/2007
Posts: 1,635
I have been made to understand that slab work has to be done all at once, usually in a single day.

My neighbor is constructing a multistory building - a hotel I am told.

The fundis and KYM's have been working on the second floor slab for four days now (it is a big project).

What gives?


"The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth." (Niels Bohr)
african coloner
#409 Posted : Friday, October 05, 2012 1:53:27 PM
Rank: Member

Joined: 10/8/2010
Posts: 446
Location: london
Wakanyugi wrote:
I have been made to understand that slab work has to be done all at once, usually in a single day.

My neighbor is constructing a multistory building - a hotel I am told.

The fundis and KYM's have been working on the second floor slab for four days now (it is a big project).

What gives?



There is no problem as long is subdivided and do the whole part
keke2
#410 Posted : Friday, October 05, 2012 3:47:16 PM
Rank: New-farer

Joined: 5/31/2011
Posts: 89
Spitze wrote:
Hi Wazuans, What is the effect of using hand-made ballast (ile vijana wanatengeneza na nyundo) as opposed to machined ballast on the quality of foundation? A friend tells me the trick is to mix the two types to save on cost. But is it worth it?

Your friend is right.You will need to mix with one or two other sizes. Depending on where you are using(slab,beams,foundations etc) you will need advice on the ratio of sand and cement to use with it.
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