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Nairaland Forum / Nairaland / General / Properties / Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows (80766 Views)
Cost To Supervise A Foundation Of 2storey Building Of 6flats / Cost Analysis Of Roofing My 3 Bedrooms Flat / Kindly Advise Me. After Paying 16 Million Naira, All I Have Is A Foundation (2) (3) (4)
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Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by Hiibeek: 10:15am On Jan 25, 2016 |
podosci: please I need the cost breakdown setting out:number of pegs, profile boards etc.. excavation work:required depth foundation footing:volume of concrete, cement needed, sand and gravel substructure:no of blocks, cement, sand... dpc:cement, sand, gravel, nylon dpc to rooflevel. number of footing,pillars/rods, links, needed.cement, sand and gravel needed for casting and also reinforcement for casting lintel cemnet sand and gravel formwork AND ANY OTHER NECCESSARY COST all am trying to say is say PLEASE I need a very simple breakdown and proper explanation of d analysis and cost estimate of d building. Thanks for ur anticipated cooperation.
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Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by Hiibeek: 12:25pm On Jan 25, 2016 |
podosci:
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Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by podosci(m): 11:54am On Jan 31, 2016 |
what about the structural drawings? |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by Jlow2: 1:16pm On Jan 31, 2016 |
dis op na proffessor, i pray u will be minister of works one day,MAY D ALMIGHTY GOD BLESS U 1 Like 1 Share |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by Itydee(m): 9:25am On Feb 02, 2016 |
Thanks so much my good friend for the insights and teachings you have imparted on all of us on how to calculate and carry out analysis of the buildings we plan to erect in our respective locations. May the Good Lord Bless you. I have a problem I want you o help me solve. I have a sketch to build a storey building of 8 Nos Single bedroom flat on a 15m x 30m plot of Land in Port Harcourt. Kindly help me with a tentative cost estimate up to roofing level.. We will have 4 Nos single bedroom flat on the ground floor and on the top floor. My Site Engineer is giving me outrageous figure and I fear there might be element of scam somewhere. |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by abdulwastecx(m): 4:55am On Feb 05, 2016 |
Itydee: Ok you can send your drawings to my mail |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by karleone(m): 1:20pm On Feb 10, 2016 |
abdulwastecx: Bumped into this thread and found it worthy and knowledgeable. But I've got some questions to ask -- When calculating quantity of materials from your mix ratio, don't we consider the Volume of dry concrete dat ranges from 1.54 - 1.57 or thereabouts as a FOS to counter shrinkage? I didn't see you multiply such in your calculation for qty of cement, sand and gravel. |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by abdulwastecx(m): 3:50pm On Feb 10, 2016 |
karleone: I am aware about of that factor of safety and that is why I allow 25% for shrinkage. |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by karleone(m): 4:42pm On Feb 10, 2016 |
abdulwastecx: Ok Sir. Thanks |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by Mayor78: 12:06pm On Mar 06, 2016 |
Barka da aiki Mallam, mu na godia da ilimi da kake nunamamu. Allah akawo chingaba duka mmu. |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by abdulwastecx(m): 6:11pm On Mar 06, 2016 |
Mayor78: Amin |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by Mayor78: 4:09am On Mar 07, 2016 |
abdulwastecx: Abdul, Are the calculations above from a textbook such that they are repeated exactly in this blog http://alistdevelopers..ie/ Or are you the same company as alistdevelopers? I wouldn't want to believe that somebody is plagiarising here. I really detest plagiarism. It can be classified among cheating's' of the highest order. The integrity of any professional engaging in them creates ambiguous credibility concern. Please clarify. Thanks. |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by abdulwastecx(m): 6:26am On Mar 07, 2016 |
Mayor78: I don't even know the block you are talking about. This is are volume calculations and any one can easily do it. The miss ratio calculation using volume is comon among builders, the density of cement, and all other aggregates are in all the publications |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by abdulwastecx(m): 6:27am On Mar 07, 2016 |
Mayor78: I don't think there is issue of plagiarism here, I have been doing this calculation for some times now |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by abdulwastecx(m): 6:47am On Mar 07, 2016 |
Mayor78: I just checked the website, it is very clear that the said architect copied my work. All his post were in January 2016 while I started this in April 2015. He copied everything I wrote on this thread world for world without referencing me |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by abdulwastecx(m): 7:00am On Mar 07, 2016 |
Mayor78: The Guy copied my work here and some of my pictures ( some of the work I executed in Port Harcourt) all without referencing me. If not for your comment I will not even know about it |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by obynocute(m): 9:39am On Mar 07, 2016 |
tnx mr abdul for this thread, I read all through it, nd I must confess, I hv learnt a lot, anoda issue m hvn problems is how to calculate number of reinforcement nd spacing in a reinforced concrete or slab, sorry for derailing ur thread boss... |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by Mayor78: 7:46am On Mar 08, 2016 |
abdulwastecx: With your response Abdul, I doubt if you know the guy at all. Thats exactly the issue, while appreciating valuable information from this property section of Nairaland, one needs to be equally weary of cheats who are intent on using peoples work as their own, pose as architects, builders etc to lure unsuspecting victims into rackets of swindlers or arm robbery at the extreme. Scary! Kindly do us the favour by sending a warning to the guy to desist from using ur work if he is not going to reference you. Most importantly, using your pictures as one of his site. Dont allow cheats to malign your integrity. |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by Mayor78: 8:17am On Mar 08, 2016 |
Please how many iron rods on average would you expect to complete the decking of a 5 Bedroom duplex with floor slab measuring 16.684 x 15.924 meters. Am trying to work that out going by the 'Floor Slab details' in the Structural Drawings by calculating some of the figures on the drawing. E.g where it says 31-Y1217-200 c/c B; 21-Y1018-150 c/c T, I want to believe that it is talking about 31 pieces of Y12 on base and 21 pieces of Y10 on top. How do I interpret the numbers above, and what are the the methods to calculate the number of rods required per given space (Guys don't laugh too much on my ignorance here!). Look Abdul am trying to learn fast here, time is against me so need your help asap. LOL! |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by abdulwastecx(m): 6:49am On Mar 16, 2016 |
Mayor78: Very good question sir. I may not be as to give you an exact figure without the slab detail plan but I will try to come up wit an acceptable number from the floor Dimensions and a simple detail that you posted here. 31-Y1217-200 c/c B : means 31 number of high yield bar of 12mm diameter with a mark number of 17 spaced at 200mm center to center (c/c) and positioned at the bottom (B). 21-Y1018-150c/c T : means 21 number of high yield bar of 10mm in diameter of Mark number of 18 and spaced at 150mm Centre to center positioned at the top (T) Note for slab, the designer gave to be more specific with the position if the bar. We have two ways of been more specific, either using BB (bottom bottom), BT ( bottom top) or T T (top top), TX (top bottom). The second way is by using T1, T2 and B1, B2. BB/B1 : means the bar is place at the bottom side of the bottom bar, these are the main bar of span reinforcement in a slab and their effective depth = depth - cover- half of its own diamter BT /B2 : thee are the distribution bar of the main bar for span reinforcement, they are placed immediately on top of the BB bar and their effective depth = depth - cove - diameter of BB - half of its own diameter TT/T1 : these are the main reinforcement of the support of continuous end of a slab or for a cantilever end. They are placed at the top most of the slab to control bending there. TB/T2. these are the distribution bar of the top reinforcement in a continuous end of slab or for a cantilever slab. The are placed below the TT at the top of the slab 3 Likes 1 Share |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by abdulwastecx(m): 7:04am On Mar 16, 2016 |
Mayor78: Without the slab detailed drawing and with the limited information of Area of slab minus opening 16.684m x 15.924m Spacing of bar and bar specifications Y12-200c/c B ( I will assume this is for BB an TT Y10 - 150 c/c T ( I will assume this to be for both 'BT' 'TB'). Bottom bar required : Main = 15.94 /200 +1 = 81bars length of bars = 16.684/12 = 1 and half each length Total number of bottom bar required conservatively = 81x 1.5 Y12 spaced @ 200mm c/c = 122 length of Y12 required. For distribution bars 16.684m/150mm = 112 Lengh of each bar is 1 and half Number required = 112x1.5 = 168length of Y10 @ 150mm c/c. Note, I didn't calculate the top bar because I don't have the slab layout. I assume that most of shorter span is across the 16.684m span. 1 Like |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by Yaskin4all: 11:03am On Mar 18, 2016 |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by SLADsys: 6:06pm On Mar 20, 2016 |
Abdulwastecx, I was really looking forward to steps 9 - 11, but in the absence of that I've sent you an email, kindly respond. Thank you. |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by nwabuwa: 3:42pm On Apr 04, 2016 |
Good day sir.. Is it proper during excavation for a bungalow to dig both the outside and inside walls(bathrooms, kitchen and sitting room) to the same depth. 2. What determines steps during excavation. Thanks, and more blessings |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by joshua112: 7:37pm On Apr 04, 2016 |
Yaskin4all: Yaskin4all: Yaskin4all: GOOD DAY FIRST OF ALL REDUCE THE TOTAL TON OF REINFORCEMENT FOR BOTH BEAM AND SLAB TO 5TONS OR MAX 6TONS |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by joshua112: 7:43pm On Apr 04, 2016 |
joshua112: FOR TOTAL 2 BY 3 FOR BOTH BEAMS AND SLAB REDUCE TO 300 PCS .LET THE 1 BY 12 WOOD BE 450PCS. |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by Mayor78: 2:51pm On Apr 05, 2016 |
Yaskin4all: After reducing the tons as advised by Abdul, do try and look at the followings as well; The guy gave you a quote of half inch granite of 3 20tons @N55k each totalling N165k at floor slab section, but then again in another granite quote same half inch at beam section, he quoted 1 10ton @N45K. If 1 20tons costs N55k, does it make sense to buy 1 10 ton at N45k each. If that were the actual price, why not buy 1 20 ton @ N55k thus save money. It doesn't make sense to buy 1 10tons of half inch granite @N45K when you can buy 1 20ton same granite @N55K. There is a great different between N90K and N55K. The guy is a joke! Again for sharp sand, he quoted 2 30tons @N135k total N270k which means that each 30tons is N67.5K giving N22.5 per 10ton. But again he gave another differing quote of 1 10 ton @N25k for beams. why that is fussy. Similarly, through varying quotes here in nairaland, I observed that quotes for binding wire and nails has been consistent across quotes irrespective of locations at N2k and 5k for binding wires and nails respectively. It is only in yours that I see N6k for binding wire and N7k for nails. What an exception? Reinforcements (10, 12, 16mm) 7tons (1st slab section) and 2tons (reinforcement section) @N115k each. I am at loss for which size of the iron rods was the quote. Is he suggesting that the prices for the listed sizes per ton are the same (that would be outstanding), or did he omit something there. Not very clear to me, perhaps am missing something. Don't allow shy-lock builders to take you to the cleaners. Shine your eyes and ask questions and shop around. Don't be too trusting. Good luck! |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by Mayor78: 3:07pm On Apr 05, 2016 |
Abdul, Don Allah na aika maka email. Ka duba don tomeko. Thanks |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by abdulwastecx(m): 10:06pm On Apr 06, 2016 |
I will respond to your mail sir.. . I am in a very remote village where the network is very poor |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by Mayor78: 2:40am On Apr 07, 2016 |
Thanks! am waiting. |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by olawale100: 10:01am On Apr 18, 2016 |
joshua112: I suspect he may have transposed the costing for the granite and sharp sand. 30 tons of granite is 135k - 2 Nos will be equal to 270k |
Re: Proper Analysis Of Design And Cost Of A Foundation Design For Bungalows by udy4real(m): 9:47am On Apr 29, 2016 |
Pls abdul can I get d detailed version of d estimate for the 2/3 bedroom bungalow in my email add, Rolynson@yahoo.com Thanks and God bless 1 Like |
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