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Question for a4architect
Rank: Member Joined: 5/8/2008 Posts: 288
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Is there any issue with use of Mai Mahiu sand for construction of flats?
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Rank: Elder Joined: 12/2/2009 Posts: 2,458 Location: Nairobi
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smallfama wrote:smallfama wrote:Construction veterans, can this EPS pannels from KOTO and NHC be used for building slabs like for maisonett? Or they are just good for walling? A4architect and structural engineers assist hapa. Yes they do build slabs. From Foundations, to walls to roofs.. If interested drop me an email.
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Rank: Elder Joined: 12/2/2009 Posts: 2,458 Location: Nairobi
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dpmungai wrote:I am looking for a cost effective way of doing a 100ft perimeter fence, an option that will not be heavy on the pocket.
Would the interlocking blocks help? Ideas very welcome... EPS panels can make walls.. The cost will be between 30-35% less as compared to conventional methods. Quick maths using EPS panels 100ft. you will need 40 panels, 50 bags of cement, 25 tonnes of sand, and 25 tonnes of rough dust...
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Rank: Member Joined: 1/13/2011 Posts: 297 Location: Nairobi
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littledove wrote:S.Mutaga III wrote:littledove wrote:S.Mutaga III wrote:littledove wrote:S.Mutaga III wrote:Hello. Any wazuan who knows how many single rooms can fit on a 50 by 100 plot. I am a hustler trying to make a buck in real estate. I have already pin pointed a plot back in the village and the most popular kinds of rentals there are single rooms, so bedsitters etc are out of the question. Any rough estimate on how much it will cost me on average to put up per room is appreciated. In summary:
- How many single rooms can one build on a 50 by 100 in such a way to maximize on the land without necessarily causing congestion?
- What is the rough estimate cost of construction per room?
NB: Dont laugh at me, am just trying to make a buck by whatever means necessary. Maybe in a few years I will be talking of flats:) Help a Bro for 50by 100 three rows will be ideal to maximize space. units of 12 by 12 ft facing one another and a space of 10ft in the middle, 16 units in total, another row of 6 units of 12 by 10 ft facing the others so that you wount need a fence that will take 72 ft in length leaving at least 30ft for ceptic tank. note that units of 12ft are very spacious and these days single rooms are 10 by 10 ft, that will give you a upper hand. without expensive finishing a single room will cost you about 155k. that's according to my little experience, also waiting from experts as I await similar project this year Assuming that the plot is a perfect rectangle, how about 19 rooms, 10 on one side and 9 on the other side. Each room to measure 10ft by 12ft? The reason for the nine rooms at one side is to leave space for toilets at the last space that a room could occupy. If the rooms are properly planned, so that the 10ft dimension is along the perimeter and the 15ft is into the plot, that would leave 26ft space between the two rows. Could that work? Such a plan could yield 19 units on a 50ft by 100ft plot 26ft in between is a whole field! neighbours will require motorbike to visit one another! OK to show you the size of 26 ft I have a plot of 25 by 100 which have a plan of 6 bedsitters of 14 by 15 ft with a space which can fit packing for small cars Then what is the ideal number for rooms, 12ft by 10ft...but dont be too mean with space...because they will need hanging lines, septic tank and some space to park their motorbikes. Is it safe to assume that with proper planning, 20 units on a 50 by 100 should leave enough space for the septic tank and washrooms? Also about the cost, is that cost for anywhere near Nairobi or outskirts? I am planning to do this upcountry so the cost per room may be significantly lower if you decide 10by 12 ft 25 byunits can fit, still insisting on 3 rows , for the first two rows nine units and the other seven, a space of 10ft is enough for two rows and 6ft for one row. the cost above relate to a place where a lorry of stones 400ft is 15k, sand 12k ballast 10k and a bag of cement 700 others costs don't vary much 10,000/sqm for single rooms is more than adequate budget of 3m. You could do 28 units of 10 * 12 with 5' Verandah. 1st and 4th row 84'/10 2&3 row share the back wall 2nd facing 1st row n sharing 5' Verandah.4 toilets 4 bathroom one for each row measuring 4'*4' 16*12 at one corner(2 toilets front 2at the back sharing one wall same for bathroom )
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Rank: Veteran Joined: 12/8/2009 Posts: 975 Location: Nairobi
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Jitahidi wrote:Is there any issue with use of Mai Mahiu sand for construction of flats? if you are doing the slab and the columns better stick to the ukambani sand. Its recognized by KEBS as a building material. For other parts of the building you can use the mai mahiu one. Its cheaper. Those were words from one structural engineer when asked the same question. You will know that you have arrived when money and time are not mutually exclusive "events" in you life!
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Rank: Elder Joined: 11/7/2007 Posts: 2,182
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architect, with the ongoing checks on buildings in the city, if someone has built a personal house, how does NCA determine whether a house is fit for occupation and can someone get clearance certificate , or whatever it is, from NCA after the building is done if he didn't have one before? LOVE WHAT YOU DO, DO WHAT YOU LOVE.
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Rank: Veteran Joined: 1/4/2010 Posts: 1,668 Location: nairobi
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@kyt, its the county govt planning department that issues a house owner with the occupation certificate. the project architect signs to certify that the building has been built to completion as indicated in the building code for the kenya republic. if someone doesnt have one, they can ask their architect to get in touch with the county government for preparation of one. As Iron Sharpens Iron, So one Man Sharpens Another.
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Rank: Elder Joined: 11/7/2007 Posts: 2,182
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thank you Architect, it is now clear, but on a very related note, what is NCA doing now? and how do they determine whether a building is safe for occupation or not? what are the parameters? LOVE WHAT YOU DO, DO WHAT YOU LOVE.
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Rank: Veteran Joined: 1/4/2010 Posts: 1,668 Location: nairobi
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@kyt, the NCA is relatively new in the industry so we haven't quite understood their role clearly. Since NCA is responsible for registering building contractors, they usually come to check if the building contractor has NCA registration. Also, buildings costing kes 5m and above are supposed to pay a % to NCA to finance its activities so they also check if this has been done. The determination of safety of buildings is still under county governments in their respective planning departments. As Iron Sharpens Iron, So one Man Sharpens Another.
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Rank: Elder Joined: 2/8/2013 Posts: 4,068 Location: At Large.
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Foz00 wrote:littledove wrote:S.Mutaga III wrote:littledove wrote:S.Mutaga III wrote:littledove wrote:[quote=S.Mutaga III]Hello. Any wazuan who knows how many single rooms can fit on a 50 by 100 plot. I am a hustler trying to make a buck in real estate. I have already pin pointed a plot back in the village and the most popular kinds of rentals there are single rooms, so bedsitters etc are out of the question. Any rough estimate on how much it will cost me on average to put up per room is appreciated. In summary:
- How many single rooms can one build on a 50 by 100 in such a way to maximize on the land without necessarily causing congestion?
- What is the rough estimate cost of construction per room?
NB: Dont laugh at me, am just trying to make a buck by whatever means necessary. Maybe in a few years I will be talking of flats:) Help a Bro for 50by 100 three rows will be ideal to maximize space. units of 12 by 12 ft facing one another and a space of 10ft in the middle, 16 units in total, another row of 6 units of 12 by 10 ft facing the others so that you wount need a fence that will take 72 ft in length leaving at least 30ft for ceptic tank. note that units of 12ft are very spacious and these days single rooms are 10 by 10 ft, that will give you a upper hand. without expensive finishing a single room will cost you about 155k. that's according to my little experience, also waiting from experts as I await similar project this year Assuming that the plot is a perfect rectangle, how about 19 rooms, 10 on one side and 9 on the other side. Each room to measure 10ft by 12ft? The reason for the nine rooms at one side is to leave space for toilets at the last space that a room could occupy. If the rooms are properly planned, so that the 10ft dimension is along the perimeter and the 15ft is into the plot, that would leave 26ft space between the two rows. Could that work? Such a plan could yield 19 units on a 50ft by 100ft plot 26ft in between is a whole field! neighbours will require motorbike to visit one another! OK to show you the size of 26 ft I have a plot of 25 by 100 which have a plan of 6 bedsitters of 14 by 15 ft with a space which can fit packing for small cars Then what is the ideal number for rooms, 12ft by 10ft...but dont be too mean with space...because they will need hanging lines, septic tank and some space to park their motorbikes. Is it safe to assume that with proper planning, 20 units on a 50 by 100 should leave enough space for the septic tank and washrooms? Also about the cost, is that cost for anywhere near Nairobi or outskirts? I am planning to do this upcountry so the cost per room may be significantly lower if you decide 10by 12 ft 25 byunits can fit, still insisting on 3 rows , for the first two rows nine units and the other seven, a space of 10ft is enough for two rows and 6ft for one row. the cost above relate to a place where a lorry of stones 400ft is 15k, sand 12k ballast 10k and a bag of cement 700 others costs don't 10,000/sqm for single rooms is more than adequate budget of 3m. You could do 28 units of 10 * 12 with 5' Verandah. 1st and 4th row 84'/10 2&3 row share the back wall 2nd facing 1st row n sharing 5' Verandah.4 toilets 4 bathroom one for each row measuring 4'*4' 16*12 at one corner(2 toilets front 2at the back sharing one wall same for bathroom ) Please give me a guide on the estimated cost of a 15"by 11" self contained unit with a kitchennete (sink and worktop). The units will be in Max 4 stories and are 8 per floor. Plot size is 33" by 66" Love is beautiful and so are those who share it.With Love, Marriage is an amazing event in ones life time, the foundation of joy, happiness and success.
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Rank: New-farer Joined: 10/16/2014 Posts: 33
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Construction veterans, just finished putting in the window grills and keying. Some journey! I am looking for glass for the windows, where do I get good glass for the windows at a good (cheap) price within Nairobi? Is it better/cheaper to buy the full panel and cut on site or buy the already cut pieces? If you have the indicative prices even better... any assistance appreciated
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Rank: Member Joined: 10/8/2010 Posts: 446 Location: london
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4architect or anyone with experience, Which is more expensive, laying slab or roofing?
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Rank: Member Joined: 3/12/2011 Posts: 108
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A question for A4architect, planners or anyone with experience. In a subdivision with thousands of plots, I am trying to decide whether to buy a Corner Shop (BCR) plot or Maisonette plot for investment purposes. What are advantages/disadvantages of a Corner Shop (BCR) plot? Which one - corners shop plot or maisonette plot would yield higher returns when fully developed? Looking at the map, I do not even understand the lingo - what does BCR stand for in planning language?
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Rank: Veteran Joined: 11/15/2013 Posts: 1,977 Location: Here
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african coloner wrote:
4architect or anyone with experience, Which is more expensive, laying slab or roofing?
What is the type and size of the house? Maisonette or bungalow. Soil type of the area? Type of roof,simple ya low end housing,normal or ya madoido. Type of materials you intend to use for roofing. Source of roofing materials.? Am not expert perse but if factors constant then i saw the costs more or less equal. Everybody STEALS, a THIEF is one who's CAUGHT stealing something of LITTLE VALUE. !!!
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Rank: Member Joined: 1/15/2010 Posts: 458
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This is not a question directly related to construction but more so to do with where I stay. I stay at NHC estate and I have a pump as i live on 5th floor, When water comes and there is no enough pressure we normally put on the pump to fill the tanks. Now my neighbor who stays in 4th floor is claiming that when I pump the water she does not get water in her house. Is this possible? update president set president = speaker where president is null
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Rank: Veteran Joined: 4/4/2007 Posts: 1,162
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Toxicity wrote:This is not a question directly related to construction but more so to do with where I stay. I stay at NHC estate and I have a pump as i live on 5th floor, When water comes and there is no enough pressure we normally put on the pump to fill the tanks.
Now my neighbor who stays in 4th floor is claiming that when I pump the water she does not get water in her house.
Is this possible? Yes. your pump might be sucking all the available water. agree on a pumping time table and don't be toxic 
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Rank: Veteran Joined: 4/4/2007 Posts: 1,162
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dpmungai wrote:Construction veterans, just finished putting in the window grills and keying. Some journey! I am looking for glass for the windows, where do I get good glass for the windows at a good (cheap) price within Nairobi? Is it better/cheaper to buy the full panel and cut on site or buy the already cut pieces? If you have the indicative prices even better... any assistance appreciated Buy within your neighbourhood unless you have built 10 houses. Give the local guy the job to measure, cut and install. glass is cheap.
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Rank: Veteran Joined: 1/4/2010 Posts: 1,668 Location: nairobi
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african coloner wrote:
4architect or anyone with experience, Which is more expensive, laying slab or roofing?
slabs cost around kes 3000 k per m2 including rebar reninforcement. roofing, using high end stone coated roofing tiles costs kes 3000k per m2 including timber trusses. Both cost the same for high end roofing... As Iron Sharpens Iron, So one Man Sharpens Another.
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Rank: Veteran Joined: 11/15/2013 Posts: 1,977 Location: Here
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a4architect.com wrote:african coloner wrote:
4architect or anyone with experience, Which is more expensive, laying slab or roofing?
slabs cost around kes 3000 k per m2 including rebar reninforcement. roofing, using high end stone coated roofing tiles costs kes 3000k per m2 including timber trusses. Both cost the same for high end roofing... @4architect.....3000k ?? You meant 3k or 3000/- i suppose so. My local construction tell me i divide a house into four: 1. Foundation 2. Katikati 3. Roofing 4. Internal finishes(plumbing/wiring/ceiling) Costs are almost equal. Everybody STEALS, a THIEF is one who's CAUGHT stealing something of LITTLE VALUE. !!!
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Rank: New-farer Joined: 10/16/2014 Posts: 33
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majimaji wrote:dpmungai wrote:Construction veterans, just finished putting in the window grills and keying. Some journey! I am looking for glass for the windows, where do I get good glass for the windows at a good (cheap) price within Nairobi? Is it better/cheaper to buy the full panel and cut on site or buy the already cut pieces? If you have the indicative prices even better... any assistance appreciated Buy within your neighbourhood unless you have built 10 houses. Give the local guy the job to measure, cut and install. glass is cheap. Ahsante.. got a local guy
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