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Question for a4architect
Rank: Member Joined: 9/3/2015 Posts: 118 Location: Nairobi
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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.
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Rank: Veteran Joined: 9/21/2011 Posts: 2,032
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@ 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..
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Rank: Elder Joined: 12/17/2009 Posts: 3,583 Location: Kenya
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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  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  ), 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.
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Rank: Veteran Joined: 9/21/2011 Posts: 2,032
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All tha best @nakujua.. propose you continue to make use of the engineer throughout yr project to ensure no hitches
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Rank: Member Joined: 9/3/2015 Posts: 118 Location: Nairobi
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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
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Rank: Elder Joined: 7/28/2015 Posts: 9,562 Location: Rodi Kopany, Homa Bay
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Kidero says Nairobi now accepting Share certificates for building approval. No need to wait for title.
Link: today's Daily Nation DN2
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Rank: Veteran Joined: 8/16/2009 Posts: 994
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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.
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Rank: New-farer Joined: 2/22/2015 Posts: 61
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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
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Rank: Veteran Joined: 3/25/2010 Posts: 939 Location: Nai
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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)
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Rank: Member Joined: 5/8/2008 Posts: 288
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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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Rank: Elder Joined: 6/23/2009 Posts: 13,503 Location: nairobi
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Jitahidi wrote: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 Now, change of user should cost a max of how much? Theres some planner at Kisii telling me to fork out KES 90K
HF 30,000 ABP 3.49; KQ 414,100 ABP 7.92; MTN 23,800 ABP 6.45
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Rank: Elder Joined: 7/11/2012 Posts: 5,222
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Has this been asked before? I intend to put up a descent low-cost room with outside ablution block, for fundi (and myself when making site visit). This within shortest time possible, so building a kawaida stone room, might not be an option. Said room will remain as SQ. Options?
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Rank: Veteran Joined: 11/15/2013 Posts: 1,977 Location: Here
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Mukiri wrote:Has this been asked before? I intend to put up a descent low-cost room with outside ablution block, for fundi (and myself when making site visit). This within shortest time possible, so building a kawaida stone room, might not be an option.
Said room will remain as SQ. Options?
Boss hi ni kujikanganya! What exactly do you want? Options of building a room & a latrine (choo na bafu)? Everybody STEALS, a THIEF is one who's CAUGHT stealing something of LITTLE VALUE. !!!
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Rank: Elder Joined: 2/11/2007 Posts: 1,680 Location: nairobi
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Love this thread. I have a 22M*80M land 1Km from Githiga town, Kiambu. Planning on setting up my dream home 3 floors measuring 14*10M. 1: Half of 2rd floor walls are all glass, whats the risk security, cold weather, sun uv and entire house strength? here is a sketch 
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Rank: Elder Joined: 7/11/2012 Posts: 5,222
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Boris Boyka wrote:Mukiri wrote:Has this been asked before? I intend to put up a descent low-cost room with outside ablution block, for fundi (and myself when making site visit). This within shortest time possible, so building a kawaida stone room, might not be an option.
Said room will remain as SQ. Options?
Boss hi ni kujikanganya! What exactly do you want? Options of building a room & a latrine (choo na bafu)? Yes sir. A cheap room.
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Rank: Hello Joined: 12/20/2015 Posts: 1 Location: Nairobi
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Halo, i am considering to buy a plot to build, i have an option of two one is on a slight slop which is cheaper and the other is on flat land. Is there any disadvantages of building on a slop
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Rank: Elder Joined: 3/18/2011 Posts: 12,069 Location: Kianjokoma
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mlefu wrote:Love this thread. I have a 22M*80M land 1Km from Githiga town, Kiambu. Planning on setting up my dream home 3 floors measuring 14*10M. 1: Half of 2rd floor walls are all glass, whats the risk security, cold weather, sun uv and entire house strength? here is a sketch Githiga experiences waves of crime baridi pia is an issue for that area. Its a tea growin area. Glass will pitisha all the baridi
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Rank: Veteran Joined: 8/16/2009 Posts: 994
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Lolest! wrote:mlefu wrote:Love this thread. I have a 22M*80M land 1Km from Githiga town, Kiambu. Planning on setting up my dream home 3 floors measuring 14*10M. 1: Half of 2rd floor walls are all glass, whats the risk security, cold weather, sun uv and entire house strength? here is a sketch Githiga experiences waves of crime baridi pia is an issue for that area. Its a tea growin area. Glass will pitisha all the baridi I have seen some imported Windows flames that are a bit high end. They come with rubber lining thereby offering total insulation from wind which prevents cold from outside. Even within the same building, I noted remarkable difference between temperatures in that room compared to one that had been fitted with ordinary window flames. I am not sure how cost differentials play out. 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.
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Rank: Member Joined: 12/2/2009 Posts: 299 Location: kenya
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Gatheuzi wrote:Lolest! wrote:mlefu wrote:Love this thread. I have a 22M*80M land 1Km from Githiga town, Kiambu. Planning on setting up my dream home 3 floors measuring 14*10M. 1: Half of 2rd floor walls are all glass, whats the risk security, cold weather, sun uv and entire house strength? here is a sketch Githiga experiences waves of crime baridi pia is an issue for that area. Its a tea growin area. Glass will pitisha all the baridi I have seen some imported Windows flames that are a bit high end. They come with rubber lining thereby offering total insulation from wind which prevents cold from outside. Even within the same building, I noted remarkable difference between temperatures in that room compared to one that had been fitted with ordinary window flames. I am not sure how cost differentials play out. Would you be kind enough to give contacts of a supplier for the same locally or abroad for a Quote?
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Rank: Member Joined: 12/2/2009 Posts: 299 Location: kenya
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I noticed some small cracks on my house walls which came as a surprise because I supervised that house when fundis were plastering.I also ensured the watering was well done.The cracks have come after 1yr.When I called a structural engineer who supervised the house he said the cracks were not dangerous coz they had not affected the beams nor columns,that they were on the wall alone.A second and third opinion from other engineers turned out same verdict.This got me thinking is it possible that the mix of sand(Naivasha) and cement could be the cause of this.Am told the Machakos sand bonds better. Wazua experience shud certainly help a brother
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