To perform a rate analysis for Plain Cement Concrete (PCC) mix 1:4:8 (M7.5), you’ll need to consider the costs of materials like cement, sand, and coarse aggregates, as well as labor and equipment charges. The rate analysis involves determining the quantities of each material required for 1 cubic meter of concrete and assigning the corresponding unit rates.
Hi guys in this article we know about rate analysis for PCC grade m7.5. Rate analysis comprise of sum of material cost, labour cost, overhead expenses, contractor profit and cost of equipment or tools. And also know about cost and quantity of cement, sand aggregate & water required for 1 cubic metre of M7.5 concrete.
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 1:4:8 :- 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 & contractor profit. For rate analysis, the details about all the operation involved in carrying out the work should be available.
The quantities of materials cement sand aggregate and water are required and their cost should be known and the number of different categories of labours required and the capacity of doing work per labour and their wages per day should be known. These can be known only from the experience of particular work. Concrete structure is generally PCC for making Road,pavement, flooring, basement and etc.
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Rate analysis for PCC 1:4:8 (M 7.5) work is summary of all the quantity and cost of material, labours overhead expenses, contractor profit charges and water charges.
Rate analysis for PCC is comprise of following:-
● 1) quantity and cost of material ( cement sand aggregate and water quantity and their cost)
● 2) water charges ( 1 tanker)
● 3) overhead expenses (3%)
● 4) cost of equipment and tools (2%)
● 5) contractor profit (10%)
● 6) labour rate and cost.
Rate analysis for 1m3 PCC 1:4:8 (M7.5) work
M7.5 grade of PCC have cement, sand and aggregate ratio 1:4:8 in which one part is cement, 4 part is sand and 8 part is aggregate. For quantity and cost calculation for m7.5 grade of PCC we should follow following steps:-
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◆ Step 1, Dry volume :- we have wet volume of PCC work is 1m3 and we have to convert wet volume into dry volume ,we will multiply 1.54 in wet volume.
Dry volume = 1.54 × 1 = 1.54 m3.
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◆ Step 2, Cement quantity:- we know that cement density is 1440 kg/m3 and 1 bag cement weight is 50 kg
Quantity of cement = 1/13 × 1.54 m3 × 1440 kg/m3 = 170 kg, no of bag cement required for 1m3 PCC 1:4:8 (m7.5) = 170/50 = 3.4.
If rate of cement = INR 400 per bag, then cost of 3.4 bags cement = 3.4 ×400 = INR 1460.
◆ Step 3, Sand quantity :- generally sand measured in CFT and 1m3 = 35.32
Quantity of sand = 4/13 ×1.54 × 35.32 = 16.73 CFT, so 16.73 cft sand quantity required for 1m3 PCC grade m7.5.
If market rate of sand is consider INR 60 per cft, then cost of 16.73 cft sand = 16.73 × 60 = INR 1005, so cost of sand for 1m3 of PCC m7.5 grade = INR 1005.
In some areas sand is measured in brass so rate of sand = INR 5,000/ brass, and 1 brass sand is equal to 100 CFT.
◆ Step 4, Aggregate quantity :- generally aggregate measured in CFT and 1m3 = 35.3147
Quantity of aggregate = 8/13 ×1.54 × 35.3147 = 33.47 cft, so 33.47 cft aggregate quantity required for 1m3 PCC grade m7.5
If market rate of aggregate is consider INR 60 per cft, then cost of 33.47 cft aggregate = 33.47 × 60 = INR 2010, so cost of aggregate for 1m3 of PCC grade m7.5 = INR 2010.
In some areas aggregate is measured in brass so rate of Aggregate = INR 6000/ brass, and 1 brass Aggregate is equal to 100 CFT.
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◆ Step 5, material cost :- quantity and cost of material required for 1 cubic metre of PCC m7.5 grade is sum of cost of cement sand and aggregate
Sub total cost of material = cement cost + sand cost + aggregate cost = 1420 +1,005 + 2,010 = INR 4435.
◆ Step 6, labour rate and charges :- consider one mason and 2 helper completed 1 cubic metre of concrete work in 8 hour, per mason rate INR 600 and per helper rate 400, but in mass concreting labour rate for 1m3 PPC work is INR 850. In some other location it will be measured in sq ft and cft also.
Labour rate for PCC work
PCC work labour rate (The wages of the PCC) are about 12 rupees per square foot (sq ft), 25 rupees per CFT (cubic foot), 850 rupees per cubic meter (1m3), and 130 rupees per square meter (m2).
PCC work rate per sq ft with material
The PCC work rate with material and labour costs is about 82 rupees per square foot (sq ft), 170 rupees per CFT (cubic foot), 6000 rupees per cubic meter (1m3), and 900 rupees per square meter (m2).
Labour rate is INR 12 per sq ft or INR 25 per CFT for PCC work.
Labour cost for 1m3 of PCC 1:4:8 work = INR 850
Sub total cost = 4435 + 850 = INR 5285
◆ Step 7, water charges:- quantity of water required in concreting work used for preparing of mix and curing, consider 1.5% cost of water, then 1.5% of 4435 = INR 67
Sub total cost = 5285 + 67 = INR 5352
◆ Step 8, overhead expenses :- consider 2% overhead expenses,then 2% of 4435 = INR 88.
Sub total cost = 5352 + 90 = INR 5440
◆ Step 9, cost of equipment and tools :- consider cost of equipment or tools is 1.5 %, then 1.5% of 4435 = INR 67
Sub total cost = 5440 + 67 = INR 5507
◆ step 10, contractor profit :- consider contractor profit is 10%, then 10% of 4435 = INR 443
Total cost = 4435 + 443 = INR 5950.
PCC rate per cubic meter is rs 5950 or nearly rs 6,000.
Rate analysis of PCC (1:4:8):- The typical estimate to complete 1m3 (cubic meter) PCC with a mix ratio 1:4:8 is approximately 6000 rupees. These includes cost of materials, labour charges, water charges, overhead expenses, cost of equipment and tools, and contractor profit.
PCC flooring cost per sq ft
At a thickness of 50-75mm and a mix ratio of 1:4:8 (M7.5), PCC flooring cost with materials in rural and urban areas in India ranges from 100-130 rupees per sq ft (square foot), or an average of 110 rupees per square foot, including material and labor costs.
PCC work rate per m3 (cubic meter)
The PCC working rate is about 6000 rupees per cubic meter (1m3), 900 rupees per m2 (square meter), 170 rupees per cubic foot (CFT), and 82 rupees per square foot (sq ft).
PCC work rate per m3 at 1:4:8 mix
The typical production rate of 1 m3 (cubic meter) PCC (plane cement concrete) with a mix ratio of 1:4:8 is about 6,000 rupees. Typical PCC rate is around Rs. 6,000 per m3 (cubic meter) at a 1:4:8 mix (M7.5).
PCC work rate per square meter (m2)
The typical production rate of 1 m2 (square meter) PCC (plane cement concrete) with a mix ratio of 1:4:8 is about 900 rupees. Typical PCC rate is around Rs. 900 per m2 (square meter) at a 1:4:8 mix (M7.5).
Consider thickness of concrete structure is 150mm thick so Area of concrete structure in square metre = 1m3/0.15m = 6.67,
6.67 m2 concrete structure cost = INR 900, so rate per sq m for PCC M7.5 = 6000/6.67 = INR 900.
PCC work rate per sq ft (square foot)
The typical production rate of 1 sq ft (square foot) PCC (plane cement concrete) with a mix ratio of 1:4:8 is about 82 rupees. Typical PCC rate is around Rs. 82 per square foot (sq ft) at a 1:4:8 mix (M7.5).
Consider thickness of pcc structure is 6 inch (0.5 ft) thick and 1m3 = 35.32 cft so Area of PCC structure in square feet = 35.32/0.5 = 70.6 sq ft
70.6 sq ft PCC structure cost = INR 6000, so rate per sq ft for PCC M7.5 = 6000/70.6 = INR 82.
PCC work rate per cubic foot (CFT)
The typical production rate of 1 cubic foot (CFT) PCC (plane cement concrete) with a mix ratio of 1:4:8 is about 170 rupees. Typical PCC rate is around Rs. 170 per cubic foot (CFT) at a 1:4:8 mix (M7.5).
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Conclusions:
Rate analysis for PCC (1:4:8):- The typical estimate to complete 1m3 (cubic meter) PCC with a mix ratio 1:4:8 is approximately 6000 rupees. These includes cost of materials, labour charges, water charges, overhead expenses, cost of equipment and tools, and contractor profit.
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1:4:8 cement concrete