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Material Constants

The document provides material quantities and labor productivity rules of thumb for various construction activities. It lists the material quantities in bags or cubic meters needed per unit area or length for activities like plastering, brickwork, flooring etc. It also provides the number of laborers and productivity rates for masonry, plastering, carpentry etc. The document further gives miscellaneous rules of thumb related to area conversions, cement bag capacity, and the effect of water content and temperature on concrete slump and strength.

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ravi
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816 views4 pages

Material Constants

The document provides material quantities and labor productivity rules of thumb for various construction activities. It lists the material quantities in bags or cubic meters needed per unit area or length for activities like plastering, brickwork, flooring etc. It also provides the number of laborers and productivity rates for masonry, plastering, carpentry etc. The document further gives miscellaneous rules of thumb related to area conversions, cement bag capacity, and the effect of water content and temperature on concrete slump and strength.

Uploaded by

ravi
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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 Steel =3 to 5 kg / sft

 Cement =.5bags/ sft


 RMC =.05 m3/sft
 Block =12.5 nos /sqm
 Electrical cast = Rs 133/sft
 Plumbing cost = Rs 126/sft
 Fire fighting cost = Rs 40/sft
 External development = Rs 94.5/sft
 Civil works-Structure = RS 751.25/sft
 Finishing works = RS 467.50/sft
 200 mm in cm 1:6 =0.124Bags /sqm
 200 mm in cm 1:4 =0.206 bags/sqm
 150 mm in cm 1:6 =0.093 bags/sqm
 150mm in cm 1:4 =0.144 bags/sqm
 100 mm in cm 1:4 =0.103 bags/sqm
 Ceiling plastering =0.11 bags/sqm
 Wall plastering =0.09 bags/sqm
 Rough plastering =0.09 bags/sqm
 Duct plastering =0.09 bags/sqm
 External plastering =0.175 bags/sqm
 lathen plastering =0.55 bags/sqm
 stucco plaster =0.175 bags/sqm
 100 mm plaster band =0.012 bags/rmt
 pcc 1: 4: 8 =3.4 bags/cum
 pcc 1:5:10 =2.52 bags/cum
 pcc 1:3:6 =4.2 bags/cum
 pcc 1:2:4 =6.02 bags/cum
 230 mm brick =0.876 bags/cum
 115 mm brick work =0.218 bags/cum
 vdf 100 mm thick =0.82 bags/sqm
 granolithic flooring =40 mm 0.35 bags/sqm
 granolithic flooring =20 mm 0.28 bags/sqm
 anti-skid =0.28 bags/sqm
 ceramic =0.28 bags/sqm
 vertified tile flooring =0.28 bags/sqm
 vertified tile dado =0.27 bags/sqm
 cerami dado =0.27 bags/sqm
 marble flooring =0.3 bags/sqm
 100 mm ht marble skerting =0.027 bags/rmt
 marble glading =0.27 bags/sqm
 terracota tle flooring =0.3 bags/sqm
 mangalore tile =0.3 bags/sqm
 Door frame fixing =0.17 bags/sqm
 water proofing for sunken slab =0.23 bags/sqm
 water proofing for walls =0.23 bags/sqm
 water proofing for balcony/toilets =0.65 bags/sqm
 Anti terminate treatment chemical Name is chloropyrifoc 20% . Diluting5 Lit
of Chemical with 95 Lit of water and usage is 7.5 Sqm Per liter {Diluted} .To
Provide 1” Dia hole And Deep1Foot
Labour Productivity thump rule :-

Brick work

1 mason 1 Men mazdoor 1.25 sqm

1 Women Mazdoor

Wall Plastering 1 mason

1 Men mazdoor 10 sqm

1 Women Mazdoor

Ceiling Plastering 1 mason

1 Men mazdoor 8 sqm

1 Women Mazdoor

External Plastering 1 mason

1 Men mazdoor 8 sqm

1 Women Mazdoor

Block work 8” 1 mason

1 Men mazdoor 10 sqm

1 Women Mazdoor

Block work 6” 1 mason

1 Men mazdoor 8 sqm

1 Women Mazdoor

Block work 4” 1 mason

1 Men mazdoor 8 sqm

1 Women Mazdoor

Carpenter 1 Skilled

1 Un skilled 4 Sqm
Bar bender 1 Skilled

1 UN skilled 200Kg

Tile work 1 Mason

1M Mazdoor 10 Sqm

Paint

Painter skilled OBD 600 Sft

Emulsion 800 Sft

Putty 600 Sft

Primer 800 Sft

Miscellineous thumb rule in construction :-

 External Painting
Ace-Low quality

Apex-Medium Quality

Apex ultima –High Quality

One Sqm =10.763Sft


One Cum =35.314 Cft
One Acres=4046.873 Sqm=43560.17 Sft=4840.019Yards
One Cubic meter = 1000 litere
One Meter =3.280Feet
One Mile =1609.344 meter
One Acre = 100 cent
One ground =2400 Sft=5.51 cent
½ ground =2.75 cent
One Mile =8 Furlong
One cement bag =1.25 Cft
One Forma box =1*1*1.25 feet
THUMB RULES FOR CONCRETE MIX DESIGN

FOR ADDING 4 LITERS OF WATER IN 1 CU.M FRESHLY MIXED CONCRETE

1. The slump value will be increased by 25 mm.

2. The compressive strength of concrete will be decreased by 1.5 to 2.0 N/mm2

3. The shrinkage potential will be increased by 10%.


4. 1/4 bag of cement will be wasted.

IF THE TEMPERATURE OF FRESHLY MIXED CONCRETE IS INCREASED BY 1%,


THEN

1. 4 liters of water per cu.m will give equal slump.

2. The air content will be decreased by 1%.

3. The compressive strength of concrete will be decreased by 1.0 to 1.5 N/mm2.

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