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24/06/2021

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15/06/2021

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2dplan@ Rs 600

3D Elevation @ Rs 1000

Interior design @ Rs 1000 per room
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23/11/2020

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15/10/2020

Lapping Length of Reinforcement :
Lapping: In RCC structure, placing of a single bar may not meet the required length of the section. So it becomes necessary to join two bars, to meet the desire length. To join two bars, one bar should overlap another and it is called lapping of bar and the length overlap each other is caller lap length or overlap length.

L apping: In RCC structure, placing of a single bar may not meet the required length of the section. So it becomes necessary to join two ba...

15/10/2020

_*📌▪Engineering Information to be kept for Record:*_

1 Gunta = 121 Sq yards

1 Gunta = 101.171 Sq Meter

1 Gaj = 1 Yard

1 Yard = 36 inch

1 Yard = 3 feet

1 Yard = 0.9144 meter = 1 mtr

1 sq Yard = 0.83612 Sq meter

1 sq Yard = 9 sq feet

1 Sq yard = 1296 Sq inch

1 Meter = 1.0936 Yards

1 Meter = 39.370 inch

1 Meter = 3.280 feet

1 Sq meter = 1.1959 Sq yard

1 Sq meter = 1550 Sq inch

1 Sq Meter = 10.763 Sq feet

1 feet = 0.304 meter

1 feet = 0.333 yards

1 feet =12 inch

1 Sq feet = 0.111 Sq Yard

1 Sq feet = 0.09290 Sq Meter

1 Sq feet = 144 Sq inch

1 inch = 2.54 cm

1 Inch = 0.0254 meter

1 Inch = 0.0277 yards

1 Inch = 0.0833 feet

1 Sq Inch = 0.00064516 Sq Meter

1 Sq Inch = 0.00077160 Sq Yards

1 Sq Inch = 0.00694444 Sq feet

1 Acre = 4046.86 Sq Meter

1 Acre = 4840 Sq yards

1 Acre = 43560 Sq feet

*CONCRETE GRADE*

M5 = 1:4:8

M10= 1:3:6

M15= 1:2:4

M20= 1:1.5:3

M25= 1:1:2

*▪CLEAR COVER TO MAIN REINFORCEMENT*

1.FOOTINGS : 50 mm

2.RAFT FOUNDATION.TOP : 50 mm

3.RAFT FOUNDATION.BOTTOM/SIDES : 75 mm

4.STRAP BEAM : 50 mm

5.GRADE SLAB : 20 mm

6.COLUMN : 40 mm

7.SHEAR WALL : 25 mm

8.BEAMS : 25 mm

9.SLABS : 15 mm

10.FLAT SLAB : 20 mm

11.STAIRCASE : 15 mm

12.RET. WALL : 20/ 25 mm on earth

13.WATER RETAINING STRUCTURES : 20/30 mm

*▪WEIGHT OF ROD PER METER LENGTH:*

*DIA WEIGHT PER METER*

6mm = 0.222Kg

8mm = 0.395 Kg

10mm = 0.616 Kg

12mm = 0.888 Kg

16mm = 1.578 Kg

20mm = 2.466 Kg

25mm = 3.853 Kg

32mm = 6.313 Kg

40mm = 9.865 Kg

1bag cement-50kg

1feet-0.3048

1m-3.28ft

1sq.m-10.76sq.f ¬t

1cu.m-35.28cu.f ¬t

1acre-43560sq.f ¬t

1cent-435.6sq.f ¬t

1hectare-2.47acre

1acre-100cent-4 ¬046.724sq.m

1ground-2400sq. ¬ft

*▪DESIGN MIX:*

M10 ( 1 : 3.92 : 5.62)

Cement : 210 Kg/ M 3

20 mm Jelly : 708 Kg/ M 3

12.5 mm Jelly : 472 Kg/ M 3

River sand : 823 Kg/ M 3

Total water : 185 Kg/ M 3

Fresh concrete density: 2398 Kg/M 3

M20 ( 1 : 2.48 : 3.55)

Cement : 320 Kg/ M 3

20 mm Jelly : 683 Kg/ M 3

12.5 mm Jelly : 455 Kg/ M 3

River sand : 794 Kg/ M 3

Total water : 176 Kg/ M 3

Admixture : 0.7%

Fresh concrete density: 2430 Kg/ M 3

M25 ( 1 : 2.28 : 3.27)

Cement : 340 Kg/ M 3

20 mm Jelly : 667 Kg/ M3

12.5 mm Jelly : 445 Kg/ M 3

River sand : 775 Kg/ M 3

Total water : 185 Kg/ M 3

Admixture : 0.6%

Fresh concrete density: 2414 Kg/ M 3

*Note:* sand 775 + 2% moisture, Water185 -20.5 =
164 Liters,

Admixture = 0.5% is 100ml

M30 ( 1 : 2 : 2.87)

Cement : 380 Kg/ M 3

20 mm Jelly : 654 Kg/ M 3

12.5 mm Jelly : 436 Kg/ M 3

River sand : 760 Kg/ M 3

Total water : 187 Kg/ M 3

Admixture : 0.7%

Fresh concrete density: 2420 Kg/ M 3

*Note:* Sand = 760 Kg with 2% moisture
(170.80+15.20)

_*▪STANDARD CONVERSION FACTORS*_

INCH = 25.4 MILLIMETRE

FOOT = 0.3048 METRE

YARD = 0.9144 METRE

MILE = 1.6093 KILOMETER

ACRE = 0.4047 HECTARE

POUND = 0.4536 KILOGRAM

DEGREE FARENHEIT X 5/9 – 32 = DEGREE
CELSIUS

MILLIMETRE= 0.0394 INCH

METRE = 3.2808FOOT

METRE = 1.0936YARD

*▪MATERIAL CALCULATION : CEMENT IN BAGS*

🔹 PCC 1:5:10 1440/5*0.45 129.60Kg 2.59

🔹 PCC 1:4:8(M 7.5) 1440/4*0.45 162.00Kg 3.24

🔹 PCC 1:2:4(M 15) 1440/2*0.45 324.00Kg 6.48

🔹 PCC 1:3:6(M 10) 1440/3*0.45 216.00Kg 4.32

🔹 RCC 1:2:4(M 15) 144/2*0.45 324.00Kg 6.48

🔹 RCC 1:1.5:3(M 20) 1440/1.5*0.45 32.00Kg
8.64

🔹 RCC 1:1:2(M 25) 370.00Kg 7.40

🔹 RCC M 30 410.00Kg 8.20

🔹 RCC M35 445.00Kg 8.90

🔹 RCC M40 480.00Kg 9.60

🔹Damp Proof Course
CM1:3,20mm tk 1440/3*0.022 10.56Kg 0.21

🔹 2"tk precast slab M15 324*0.05 16.20Kg 0.32

🔹 3"tk precast slab M15 324*0.075 24.30Kg
0.49

🔹GC Masonry CM 1:7 1440/7*0.34 70.00Kg
1.40

🔹Brick Work CM 1:6 1440/6*0.25 60.00Kg 1.20

🔹 Brick Work CM 1:4, 115tk 1440/4*0.25*0.115
10.35Kg 0.21

🔹17. Grano Flooring CC 1:1.5:3 1440/1.5*0.45*0.05
21.60Kg 0.43

15/10/2020