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Nairaland Forum / Nairaland / General / Properties / Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question (1577 Views)
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Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by saydfact(m): 7:41pm On Apr 26 
Goodday Nairalanders, Someone asked the below question in the property section, and I thought we all can benefit from it. He Wrote: This is an amazing thread..... SOLUTION The first thing is to ensure the arrangement of the plots are known as this affects how much material is used. (see pics 1 for different arraignment) The second note is the type of foundation needed, and in this case; its a strip foundation (Abeokuta is a rocky or 'Laterite' land) The 3rd important information is the SIZE of the plot, although it wasn't stated, he confirmed it is 18m by 36m a. Lets find the LINEAR METERS of the proposed fence by simply adding the lengths and widths of the site = (18 + 18 + 18 + 36 + 36 + 18 + 18 + 18 + 36 + 36) = 252m b. Minus the space occupied by the gate from the above (since there wont be foundation or fence at that space); we assume the gate is 3.6m wide = 252m  3.6m = 248.4m MATERIALS c. Lets Calculate the numbers of blocks needed (whether you're buying or producing on site) remember a (6'' and 9'' standard) block is 450mm (0.45m) long and he has also requested for 10 courses (meaning 10 blocks on each other) the question we should ask is HOW MANY BLOCKS WOULD FILL ONE ROW OF FENCE = Total Length of Fence / One length of Block = 248.4m / 0.45m = 552 numbers of Block. since we know 552 blocks make 1 row and we need 10 rows, then we just multiply = 522 blocks x 10 = 5220 blocks. (always remember that some blocks would break, so consider waste) d. (a) Lets calculate quantity of cement needed for the foundation and block setting. we start by calculating the volume of concrete needed for the foundation and apply a constant to give us number of cement needed, we would also apply a constant since we know the number of blocks we plan to set. cement: the volume occupied by concrete is L x W x H where L = Total perimeter to be fenced = 248.4m where W = Is how wide we dig the foundation = 0.45 or 0.675 (Lets use 0.675 standard) = 0.675m where H = How think your foundation concrete is = 150mm (standard; but some people use 100mm for cost savings) = 0.15m (note that I made sure all units are in meters, to minimise figures) hence; volume of concrete in Foundation = 248.4m x 0.675m x 0.15m = 25.15m3 of concrete. we would now apply the cement constants to know how many cements we need for Foundation ratio: 1:2:4 = 6.5bags of cement per 1m3 of concrete * ratio: 1:3:6 = 4.5bags of cement per 1m3 of concrete (we would use ratio 1:3:6 in this tutorial) there we need 4.5 bags x 25.15 = 114 bags of cement. d. (b) Number of cement needed to set 5220 numbers of 6'' blocks here's a constant you can always use: 0.16bag would lay 1m2 of blocks i.e. (10 blocks) so; IF 0.16 bags = 10 blocks, how many bags would lay 5220 blocks = 5220 x 0.16 (divided by) 10 = 835.2 / 10 = 84 bags of cement. Total cement needed for task = 198 bags of cement. SUMMARY: so far we know all the blocks and cement we need for the job ahead; now we go to sand and granite. (minus plastering) e. (a) sand needed for 25.15m3 of concrete in foundation constant = 1:3:6 has 0.46m3 of Sand in 1m3 of concrete, we just need to multiply the formula by 25.15m3 (its a different formula for 1:2:4) = 0.46 x 25.15 = 11.57m3 of sand in foundation e. (b) sand needed for laying blocks constant = 0.02m3 in 1m2 i.e 10 blocks (multiple constant by 5220 and divide by 10) = 0.02 x 5220 / 10 = 10.44m3 of sand for blocks Total sand needed for the task is = 22.01m3 i.e (11.57m3 + 10.44m3) of sharp sand (lets convert to tonnes by multiplying by its conversion constant of 1.6m3 / tonnes) = 22.01 x 1.6 = 35 tonnes of Sharp Sand. f. (a) granite in 25.15m3 of foundation (NOW WE CAN FAST FORWARD, since we know the rules) constant = 0.92m3 hence granite needed = 25.15 x 0.92 = 23.14m3 of granite (convert to tonnes by multiplying by 2.0) = 46 tonnes of granite. SUMMARY: so far we know all the blocks, cement, sharp sand and granite needed for the job ahead. (minus plastering) g. water needed (Keep buying if there's no borehole or well on site lol) WORKMANSHIP a. Digging of Foundation; this depends on how soft or hard the soil texture is; but its advisable to budget about N50,000  N75,000 (there is a RATE but I do not want to apply it, since soil texture isn't known) b. Casting of footing (foundation): charged at about N3,500 to N4,500 per m3 of concrete; we have 25.15 x 3500 to N4500= N88,000 to N115,000 c. Setting of Blocks: at a rate of N50  N60 naira per block; we have 5220 x N50 to N60= N260,000 to N313,000 d. Add miscellaneous cost like clearing of site, area boys, water and scaffold for workers = N100,000 SUMMARY: 1. SAND = 35 tonnes (buy 40 tonnes for waste) 2.GRANITE = 46 tonnes (buy 50 tonnes for waste) 3. CEMENT = 198 bags (buy 200 bags) 4. BLOCKS = 5220 numbers (buy or produce 5500 of 6'') 5. WORKMANSHIP = N503,000 (using the most expensive option) 6. MISCELLANEOUS = N100,000 Find out the prices of Materials in your area (e.g cement is 2700  2750 in my area) and multiply for PROJECT ESTIMATE. If you decide to use concrete columns at interval; then its a lot more to budget for. (more cement, reinforcement bars, 1x12 wood, 2x2 wood, nails etc) Thanks. remember to #StaySafe 17 Likes 3 Shares

Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by ArcToyin(m): 8:16pm On Apr 26 
Wow. You are really doing a great job. 1 Like 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by saydfact(m): 8:32pm On Apr 26 
ArcToyin: Thanks appreciate 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by Teewhy2: 9:02pm On Apr 26 
Nice and detailed. Will definitely be useful for a long while. 1 Like 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by Madisonsqua(m): 11:33pm On Apr 26 
saydfact:Wow, thanks so much for this amazing job... You've done an excellent job breaking it into pieces...I really appreciate your time and effort...will print this out and archive it. I'm assuming this project will easily take between 3M  3.5M from this breakdown. Once again thanks Best Regards 1 Like 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by tikristinimi21: 6:29am On Apr 27 
Great job saydfacts. I am always in awe of your professional acumen but your personality is on another level. Thank you for being giver. The rewards will soon be here. 2 Likes 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by saydfact(m): 6:38am On Apr 27 
Madisonsqua: Thanks also for the opportunity. REMEMBER... if you decide to dig the foundation using 450mm ie 0.45m wide, just replace 0.675m with 0.45m in the equation to get a reduced quantity of cement needed. (ditto if its 600mm wide = 0.60m etc) Also, if you're using 100mm (ie 0.10m) thick foundation, then replace 0.15m with 0.10m and the actual cement needed would reduce also. Sand and granite need not change, since its a Bulk purchase. Keep me updated, I'm always available. 1 Like 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by saydfact(m): 6:42am On Apr 27 
tikristinimi21: Thanks boss..... It's always a pleasure 1 Like 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by Madisonsqua(m): 8:25am On Apr 27 
saydfact: Yes I will, but my confusion now is that, after going through a few thread I realised I may have to do more documentation ....because the person in charge only got a family receipt from the owner of the land......now I'm wondering if it's better to get C of O and any necessary documents before Investing such amounts on fencing....I'm new to real estate....so pardon my ignorance. 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by saydfact(m): 9:06am On Apr 27 
Madisonsqua: Can you get the coordinate of the land... Use Google Map. If it's not under government acquisition, family receipt MIGHT be enough for now. If it's under acquistio then you'll need that Cof O and Governor's concert... With the coordinate I might help you if it's acquired by government or free... I no promise but I shd be able 1 Like 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by Madisonsqua(m): 9:35am On Apr 27 
saydfact:I dont think it's under government acquisition because the person in charge knows a alot about land and he's my dad. I dont even know the address....I'm not around at the moment....but you've been very helpful brotherly.... You're the best 1 Like 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by currentbrands(m): 11:10am On Apr 27 
saydfact: @saydfact: Many thanks for coming out with this very useful breakdown. Your professional acumen has never been in doubt. I thank you very much more for being such a giver. God bless you richly and continue to protect and preserve you always � 1 Like 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by saydfact(m): 12:09pm On Apr 27 
currentbrands: Amen and thanks boss.. 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by siralos135: 1:46pm On Apr 27 
A very big thumbs up to you saydfact.Thank you for this! 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by Iriruaga100(m): 2:21pm On Apr 27 
Op, can you please do three bedroom estimate, foundation to finish?? Please... 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by ak22(m): 2:53pm On Apr 27 
saydfact: That is always you boss #saydfact 1 Like 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by buddie(m): 5:22pm On Apr 27 
Good stuff as usual from the stable of Saydfact 1 Like 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by saydfact(m): 10:33pm On Apr 27 
siralos135: buddie: ak22: Thanks all.. Glad, to have people who ALWAYS Appreciate. Same here as I appreciate too. 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by emy9ja(m): 1:31pm On Jun 07 
Hello broda Your thread is really educative and enlightening. Do keep it up for us. Pls I want to know if there are reliable people doing terrazo floors in Edo State particularly Etsako region. If you have any pls share and the cost implications for a four bedroom apartment. Thanks a bunch bro 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by Madisonsqua(m): 7:15am On Jun 08 
Just an update to this thread and a big thank you to @saydfact for the wonderful estimation So from your estimate, I realized it will cost around #3M  3.5M for the 10 courses.... then I decided to kickstart it with #1M and see how far they will go with that as I'm not in the country at the moment.... So the job has been done and they were able to deliver 4 courses...this include #70k for digging and a few other settlements here and there....totalling around #50k....I believe another #1M will deliver 5 if not 6 courses as foundation wont be involved anymore. Its single gated.....wider than a regular one,as we want to keep enough entrance for trucks when construction begins Take note the person in charge is using direct labour and cutting the cost as he's experienced in this field. @Saydfact, Do u think he had delivered enough with the first #1M? Because our estimation was 3k blocks but not sure if this is upto that. Thanks for your time brother Cheers

Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by saydfact(m): 8:00am On Jun 08 
Madisonsqua: Congrats for progress.. This is 1m well spent... Now to the next level. Goodluck 1 Like 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by Madisonsqua(m): 8:30am On Jun 08 
saydfact: Thanks you're the best...ahahah 1 Like 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by saydfact(m): 12:38pm On Aug 18 
Iriruaga100: Sorry, just seeing your post... I did that a long time ago >> https://www.nairaland.com/3523256/howbuildcomfortablehouseearning What I expect is while following the thread; replace the prices of materials I used then with current material prices; ditto for labour. I f you need help while reviewing it; let me know Goodluck 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by PHOTSEE(m): 6:37pm On Oct 11 
saydfact:Thank saydfact, please is the molding of block inclusive or just the fencing ? thanks. 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by saydfact(m): 4:24am On Oct 13 
PHOTSEE: Morning.. Buying was included. 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by PHOTSEE(m): 4:53am On Oct 13 
saydfact:Thanks saydfact , i love your threads and posts, being liking all day long. it advicable to mold blocks or buy blocks? 
Re: Estimating Cost Of Fencing 6 Plots Of Land  A Nairalander's Question by saydfact(m): 7:52am On Oct 13 
PHOTSEE: Thanks for reading and liking.. Its cheaper to mould but I always prefer buying if you won't be on ground everyday to monitor that quality is maintained.... while in buying, you can be sure of quality before paying.. Goodluck 1 Like 
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