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The basic rates for concrete items include cost of cleaning green cutting top surface of previous lift of concrete and providing cement mortar layer before placing concrete for next lift The proportion of cement mortar shall be same as that of mortar portion in concrete 8 For concrete masonry and reinforcement items initial lead of 1km is
It is preferred when a workspace is limited on construction site and making concrete on site is too difficult tasks some time ready mix concrete used because the quality of concrete is more important as per the requirement and use rmc is categorized into m20 m25 m30 m35 etc rmc price 3000 to 7500 rs as per grade of concrete
21432 60 3572 composite manhour rate for the project under consideration with the pro d u c tivity efficiency rated at 65 percent the manhour ra t e would be evaluated by multiplying 3572 by 105 which equals 375 composite rate for 65 percent pro d u
The type of cement influences the rate of development of compressive strength of concrete maximum nominal size of aggregates to be used in concrete may be as large as possible within the limits prescribed by is 4562000 the cement content is to be limited from shrinkage cracking and creep
Hotel and residential buildings which have a lower floor to floor height and unit layouts which are repeated master format 2014 main csi division 03 00 00 concrete sub divisions 03 10 00 concrete forming and accessories 03 20 00 concrete reinforcing 03 30 00 castinplace concrete
T r i c o n b u i l d e r s the makers of indias finest designer homes page 2 annexure1 rate amp specifications for construction on turnkey basis rs1750 to rs2000 per sqft our rate for full work starts from rs1750 per sqft amp may go upto rs2000
Providing and laying cement concrete for rcc chajja and loft as per design in cement concrete 124 in granite of 20 mm and down size along with plastering in cement mortar 13 including plastering complete excluding cost of steel and fabrication charges sft 12000 12
Readymix concrete rmc is a type of concrete which is manufactured in a cement factory or specifically known as the batching plant according to a given set of proportions and then delivered to a work site by truck mounted with mixers this results in a precise mixture allowing specialty concrete
But the main problem in rate analysis is for government projects the rate from standard schedule of rates is ok but for private works or projects its not possible for example the classi mason wages as per karnataka state irrigation department standard schedule rates is rs 224day but in bangalore city we are paying rs600day
Aug 03 2018 a for example wet concrete qty for flat slab is slab area x slab thickness pl note all unit of measurement should be either in mtr to get wet concrete vol in cu mtr or in feet to get wet concrete vol in cufeet b multiply wet vol by multiplication factor of 154 to get volume of dry concrete mixture
R is the rate of placement in fth mh and t is the temperature of the concrete during placement in f c with rapid placement and intensive vibration or with selfconsolidating concrete it is possible to have concrete remaining in a fluid condition for the full duration of the placement in which case the only theoretical pressure
The labor hours per unit production are determined by dividing the total labor hours of the crew by the daily output with reference to line 092101000900 in fig 41 and crew j1 in fig 42 figure 43 shows the computation involved in determining the weighted wage rate for the crew and bare unit
Smil cites studies that say replacing mud floors with concrete floors in the worlds poorest homes would improve sanitation and cut the incidence of parasitic diseases by nearly 80 percent paving streets he says boosts land and rental values school enrollment and overall economic activity and also improves access to credit
Rate analysis mumbai site reinforced concrete works defining item code short item of work rccm20 rate analysis for 10000 cumt description rcc m20 1153 concrete in ordinary works sr description qty unit rate amount
1 cum concrete for reinforcement 10 x 2 002 ton of steel this 2 only assumse as per exprience her 10 cum concrete requirement 002 ton x 10 com 020 ton 200 kg for 10 cum also read what is bitumen and bitumens types labour for rate analysis of concrete
Bhel schedule of rates bhel item no description unit contractors rate rs remarks schedule of rates 103 along the external wall below concrete or masonry apron using chemical emulsion 225 ltr per linear mtr including drillinng and plugging holes etc 1031 with chlorpyriphos lindane ec 20 with 1 concentration sqm 1045 104 nil
Oct 27 2018 we have to find out the cost per sq ft concrete slab in india for every new construction work we needs to estimate the value of cost per sq ft concrete slab column footing beam wall and finishing work like plaster paint putty pop etc of construction so that every work and management done let discuss the per sq ft cost of slab
Concrete grades are denoted by m10 m20 m30 according to their compressive strength the m denotes mix design of concrete followed by the compressive strength number in nmm 2 mix is the respective ingredient proportions which are cement sand aggregate or cement fine aggregate coarse aggregate
What is 154 constant in concrete calculation bulking of sand if the moisture is present in the sand then it makes the sand look bulkier which could result in inadequate sand proportion in the concrete ratio if we need to add 1m 3 sand in the concrete mix ratio we take 13 m 3 30 more the reason for that is the moisture content
Density of different construction materials density of construction materials are its mass per unit volume of materials it is expressed in kgm3 or lbft3 and shows compactness of building material density is also called as unit weight of substance
Jul 28 2020 the following are the construction rates calculation sheets they are designed to make builtup rate an easy task they are in microsoft excel format which most are familiar with 1 excavation reinforced concrete normal grade 20 for viewing only grade 25 for viewing only grade 30 for viewing only grade 35 for viewing only
Apr 06 2020 estimating concrete prices is not an easy exercise as many factors are involved in pricing concrete some of these factors include the following grading subbase preparation concrete forms and finishing reinforcement and the local cost of concrete this works out to be between 375 and 575 per square foot to have plain concrete poured
Proforma for analysis of unit rate of earthwork used in construction of river valley projects is 10421 pdf is 10421 txt 1983 proforma for analysis of unit rate of shutteringformwork for concrete items is 10777 pdf 1994 proforma for analysis of unit rate of rock excavation by mechanical means including blasting for open excavation is
Rate analysis for pcc plain cement concrete is average an estimate for quotation and billing purpose by mason supervisor and contractor and for tendering use rate analysis for pcc 148 it is a summary of all the cost involved in doing particular work or unit work like material cost labour cost overhead expenses water charges
Rate analysis of plastering with cement mortar requires the quantity estimation of materials cement mortar ie quantity of cement sand and water for various grades of mortar required grades of mortar used for plastering is generally same grade as used in the masonry work there are different grades of mortar that can be used for
53 grade cement means that the compressive strength of the cement after 28 days is 53 nmm 2 when tested as per indian standards under standard conditions 53 grade cement has a fast setting time as compared to 43 grade cement this grade of cement is not used for ordinary works
A government of india enterprise bill of quantities dsr amount rs item no nsr in figures in words in figures slno description unit total qty rate rs 7 ksrrb m2100 151 plain reinforced cement concrete in open foundation complete as per drawing and technical specification c rcc grade m 20 case i using concrete mixer
Assume the approx weight of one concrete cube 8 kg then the volume of concrete 015 x 015 x 015 00033 cum so for 1 cum 800033 2400 kg cum since the concrete weight itself has also been assumed for the structural calculations if it exceeds the assumed value then the load on the structure will likely increase
Dec 08 2017 with variation in rate of loading on concrete specimen the strength varies proportionately at higher rate of loading the compressive strength increases the increment is from 30 to almost 50 of the original strength however at lower rate of loading the reduction in strength of concrete cube compared to its true strength is insignificant
Apr 23 2020 gst is perhaps the biggest taxrelated reform in india since independence bringing uniformity in the taxation structure and eliminating the cascading of taxes that was levied in the pastthe gst council meets from time to time to revise the gst rates for various products several states and industries recommend reduction in gst tax rate for various items which are discussed in these
Aug 12 2015 specific gravity of sand is taken as 265 and unit weight is taken as 16 knm 3 specific gravity of coarse aggregate is taken as 280 and unit weight is taken as 15 knm 3 water cement ratio is 06 unit weight of water is 10 knm 3 using the formula of absolute volume calculate the volume of each components of concrete