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Question for a4architect
Musimo
#901 Posted : Monday, September 07, 2015 9:52:01 PM
Rank: Member

Joined: 9/3/2015
Posts: 118
Location: Nairobi
limanika wrote:
Musimo wrote:
nakujua wrote:
@a4architect ama any one who has knowledge on this - sema I have put up a small bungalow and due to space constraints I decide to increase space by adding a floor.

1. Is it possible to do that for a bungalow and what are the implication design wise and also for building approval.
2. would it be cheaper to tear down the bungalow and start the house a-fresh.

If 1 is possible who would one go for, an architect ama engineer, na hawa engineers wa nyumba kidogo wanapatikana kweli, have always thought engineers come in when we have complex houses.



Its ok, js ensure rebar spacing at 250mm c/c and slab thickness 6 inches (or 150mm)

@ musimo this advise is based on what background info? It's better to comment generally but always qualify your comments - like in this case, he needs to consula structural eng who will assess all the factors


I am an engineer, hence the advice. The thinner the slab, the lighter the slab load on the walls, but within the limits of loading and slab depths. For residential houses the live load used is 1.5KN/m2, hence the above advice. But whoever he gets should come up with a satisfactory design.
limanika
#902 Posted : Monday, September 07, 2015 10:32:38 PM
Rank: Veteran

Joined: 9/21/2011
Posts: 2,032
@ musimo, thanks 4 clarifying.. my opinion was that some eng or expert will need to check physically e.g. existing walls are built on stable ground and are strong enough to support additional weight.. am no structural eng though..
nakujua
#903 Posted : Monday, September 07, 2015 11:20:41 PM
Rank: Elder

Joined: 12/17/2009
Posts: 3,583
Location: Kenya
Musimo wrote:
limanika wrote:
Musimo wrote:
nakujua wrote:
@a4architect ama any one who has knowledge on this - sema I have put up a small bungalow and due to space constraints I decide to increase space by adding a floor.

1. Is it possible to do that for a bungalow and what are the implication design wise and also for building approval.
2. would it be cheaper to tear down the bungalow and start the house a-fresh.

If 1 is possible who would one go for, an architect ama engineer, na hawa engineers wa nyumba kidogo wanapatikana kweli, have always thought engineers come in when we have complex houses.



Its ok, js ensure rebar spacing at 250mm c/c and slab thickness 6 inches (or 150mm)

@ musimo this advise is based on what background info? It's better to comment generally but always qualify your comments - like in this case, he needs to consula structural eng who will assess all the factors


I am an engineer, hence the advice. The thinner the slab, the lighter the slab load on the walls, but within the limits of loading and slab depths. For residential houses the live load used is 1.5KN/m2, hence the above advice. But whoever he gets should come up with a satisfactory design.

Thanks for your feedback, the question had been thrown back - mpaka nikaanza kusikia woishe for myself Laughing out loudly
Funny enough I finally managed to get an engineer check out the house today and the feedback ni ka what @musimo amesema (hope yo are not the one smile ), foundation was deemed ok, though a slight extension would be needed.
option 2 as suggested by @hardwood came up do an extension held up by columns thus affording space below and having a potential simba for the boy.

ahsanteni for the feedback, highly appreciated.
limanika
#904 Posted : Tuesday, September 08, 2015 1:34:25 PM
Rank: Veteran

Joined: 9/21/2011
Posts: 2,032
All tha best @nakujua.. propose you continue to make use of the engineer throughout yr project to ensure no hitches
Musimo
#905 Posted : Tuesday, September 08, 2015 7:52:15 PM
Rank: Member

Joined: 9/3/2015
Posts: 118
Location: Nairobi
hardwood wrote:
limanika wrote:
Musimo wrote:
nakujua wrote:
@a4architect ama any one who has knowledge on this - sema I have put up a small bungalow and due to space constraints I decide to increase space by adding a floor.

1. Is it possible to do that for a bungalow and what are the implication design wise and also for building approval.
2. would it be cheaper to tear down the bungalow and start the house a-fresh.

If 1 is possible who would one go for, an architect ama engineer, na hawa engineers wa nyumba kidogo wanapatikana kweli, have always thought engineers come in when we have complex houses.



Its ok, js ensure rebar spacing at 250mm c/c and slab thickness 6 inches (or 150mm)

@ musimo this advise is based on what background info? It's better to comment generally but always qualify your comments - like in this case, he needs to consula structural eng who will assess all the factors


I know someone who put up a 2bdrm bungalow as phase 1 and after sometime it was easy to extend the hse to 4 bdrm by adding 2 bdrms. So likewise in your case find a way of adding a bdrm or 2 to the existing building instead of complicating matters by adding a floor or demolishing the building. Or build a servant quarter. Your teenage kijana will really appreciate the space and freedom that comes with the SQ/simba.


with the advent of NCA you cannot do the same, in fact project consultants advice against partial completion lest you wake up dead due to your house collapsing on you, while NCA wouldnt hesitate pocketing your funds for the same
hardwood
#906 Posted : Thursday, September 17, 2015 6:16:29 PM
Rank: Elder

Joined: 7/28/2015
Posts: 9,562
Location: Rodi Kopany, Homa Bay
Kidero says Nairobi now accepting Share certificates for building approval. No need to wait for title.

Link: today's Daily Nation DN2
Gatheuzi
#907 Posted : Tuesday, November 10, 2015 8:52:08 AM
Rank: Veteran

Joined: 8/16/2009
Posts: 994
Has anyone used a Biodigester instead of a septic. I came across wonder biogesters. They even have an option of generating biogas from the 1mtr Cubic that they offer for 1 residential unit. Cost is 85K for biodigester plus 40K if you choose to add the biogas harvesting option.

My question is how a unit of around 4 pax can generate enough waste to boost the biogas. They say you can add waste food to the pit and that will play the trick.

Has anyone used this option?

Thanks.
Time is money, so money is time. Money saved is time gained in reverse! Money stores your life’s energy. You expend your energy, get paid money, and store that money for a future purchase made in a currency.
lekamu
#908 Posted : Tuesday, November 10, 2015 7:03:26 PM
Rank: New-farer

Joined: 2/22/2015
Posts: 61
Gatheuzi wrote:
Has anyone used a Biodigester instead of a septic. I came across wonder biogesters. They even have an option of generating biogas from the 1mtr Cubic that they offer for 1 residential unit. Cost is 85K for biodigester plus 40K if you choose to add the biogas harvesting option.

My question is how a unit of around 4 pax can generate enough waste to boost the biogas. They say you can add waste food to the pit and that will play the trick.

Has anyone used this option?

Thanks.



Curious to hear feedback on this as well. Anyone knows if the biogas production is sufficient to power a gas geyser (water boiler) for a residential house of four?

Any other 'cheap' ways of ensuring sufficient hot water supply in a residential house?
Only Fools Have No Plan B
jamplu
#909 Posted : Wednesday, November 11, 2015 8:32:02 AM
Rank: Veteran

Joined: 3/25/2010
Posts: 939
Location: Nai
Gatheuzi wrote:
Has anyone used a Biodigester instead of a septic. I came across wonder biogesters. They even have an option of generating biogas from the 1mtr Cubic that they offer for 1 residential unit. Cost is 85K for biodigester plus 40K if you choose to add the biogas harvesting option.

My question is how a unit of around 4 pax can generate enough waste to boost the biogas. They say you can add waste food to the pit and that will play the trick.

Has anyone used this option?

Thanks.


ask for their gas output analysis for the 1CMtr plant am really curious to see how they have done their math. The last I heard from some guys who install a 6CMtr plant has a gas output of 1.5CMtr/day and the required load is 1:1 ratio water to solid waste (40-60Kg)


Jitahidi
#910 Posted : Wednesday, November 11, 2015 8:46:36 AM
Rank: Member

Joined: 5/8/2008
Posts: 288
Gatheuzi wrote:
Has anyone used a Biodigester instead of a septic. I came across wonder biogesters. They even have an option of generating biogas from the 1mtr Cubic that they offer for 1 residential unit. Cost is 85K for biodigester plus 40K if you choose to add the biogas harvesting option.

My question is how a unit of around 4 pax can generate enough waste to boost the biogas. They say you can add waste food to the pit and that will play the trick.

Has anyone used this option?

Thanks.

I have put up one for a four storey building but specifically for purifying/recycling waste water. Therefore recycled water is pumped up to supply all WCs in the building. This will help to save on water bill which is my cost and not for tenants
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