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Asked by : Sachin , Construction-Construction Management, DLF LOR
Keywords : thumbrules
Activity: Question posted: 03 17 2009 15:47:25 +0000, 16 answers, 34495 views, last activity 04 13 2014 06:56:30 +0000
 
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4-4.5 kg/sq feet is for residentail but for commercial may be more in the ramge of 5-5.5 kg.sqfeet

Memeber wise column will have 225-250 Kg.cum , Beams 225-250 kg/cum and slabs will have 80-100 kg/cum ( Per cum of concrete)



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by   Er. Harnam Singh, Project Manager, CPWD  | 06 28 2009 07:13:15 +0000
  Answered by     rajkumar.r , Project Engineer Civil, CR Narayanarao (CRN)  | 04 13 2014 06:56:30 +0000
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What is the concrete quantity considered in residential building per sqft

  Answered by     Mohamed Musthafa Mohamed Rinos, Construction-Construction Management, Marble Prod. Co. LLC  | 02 09 2014 08:40:57 +0000
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column to column 1 feet to 1 inch high beam

ex : between column 10 feet come to high 10 inch

  Answered by     NEETIN KHEDKAR, Construction-Construction Management PRO FIN  | 01 09 2014 11:04:48 +0000
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Some of the thumb rules given here by various experts seem to vary widely, understandably because every building has its own type of foundation and a unique geometry, design parameters etc. In case of residential buildings, I have consistently found that steel consumption is over all around 4.5 ~ 4.75 kg per sqft of construction area and and 100~ 110 kg per cum of concrete consumed.

  Answered by     kamal soni, Product Development Executive, GMV INDIA  | 02 11 2013 12:33:27 +0000
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For residential building cement will be 0.4 Kg per sq.f. & steel will be 4.5 Kg per sqf. For Shuttering ply it will be 10 sq.m. per cum of concrete.

  Answered by     Sameer Shastri, Sr. Design Engineer, 100+  | 08 22 2012 10:12:39 +0000
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Dear All,

According to me, Steel & concrete depends on 

1)  Configuration of the structure like Basements if any, + Ground + no of stories above ground floor.

2) Functional use of structure like residential, commercial, rehab building.

3) Shape of structure like regular shape, curved, with lots of offsets, etc....

  Answered by     Charles davison, Project Manager, Douglas OHI LLC  | 09 30 2009 03:58:51 +0000
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Harnam,I feel The steel for slabs @80-100 looks high unless we are taking flat slabs into account,beams can be a little higher at 350kg/m3

  Answered by     ANIRUDDHA SAHA, Construction-Heavy, SIMPLEX INFRASTRUCTURES LIMITED  | 09 29 2009 16:22:10 +0000
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These thumbrules vary from project to project.first it depends on you that how you calculate.you have to measure drawing area, check quantity of steel or concrete and then you can get the answer. if u go by thumbrule it will mislead you.or you can instruct site engineers about the consumption of the materials of a particular structure for at least six month so that you can calculate the ratio and productivity .

  Answer modified by     kamalakannan , Assistant manager, Vedanta Resources  | 07 07 2009 10:39:29 +0000
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for foundation you can take 100 kg of steel per cubic meter of concrete.

  Answered by     SB DIKSHIT, STATE QUALITY MONITOR, U.P.R.R.D.A  | 07 01 2009 05:29:38 +0000
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SORRY NOT BY MS PREETHA BUT BY MR. RAJISH

  Answered by     SB DIKSHIT, STATE QUALITY MONITOR, U.P.R.R.D.A  | 07 01 2009 05:24:04 +0000
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THE THUMRULE NORMS WHICH WAS GIVEN BY ME USED TO BE ADOPTED BY MASONS IN SUBURBEN AREA'S,NOT FOR BIG BUILDINGS,I THINK PREETHA HAS THUMBDOWN IT UNKNOWINGLY.

 
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