Surface Area of Ducts

SURFACE AREA CALCULATION FO Job Title Address

: Basement-2 Exhaust duct/1 :

Estimat Checke Ref  Enter the dimensions in inche

LINEAR DUCT S.No. WIDTH HEIGHT LENGTH AREA (ft²) GUAGE 1 56 20 180 20 190.00 2 52 20 140 22 140.00 3 52 18 140 22 136.11 4 50 18 120 22 113.33 5 46 18 120 22 106.67 6 42 18 160 22 133.33 7 40 18 130 22 104.72 8 38 18 120 22 93.33 9 36 18 120 22 90.00 10 34 18 140 22 101.11 11 32 18 120 22 83.33 12 32 16 160 22 106.67 13 28 16 120 24 73.33 14 28 14 140 24 81.67 15 24 14 130 24 68.61 16 22 14 120 24 60.00 17 20 14 120 24 56.67 18 20 12 120 24 53.33 19 18 12 120 24 50.00 20 16 12 120 24 46.67 21 16 10 120 24 43.33 22 14 10 120 24 40.00 23 14 14 8 120 24 36.67 24 12 12 8 120 26 33.33 25 10 10 8 120 26 30.00 26 8 8 120 26 26.67 27 8 8 120 26 26.67 28 8 8 120 26 26.67 29 8 8 120 26 26.67 30 8 6 100 26 19.44

WASTAGE SHEET AREA

15 %

32 ft

²

S.No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

W1 54 52 52 50 54 46 42 40 38 36 34 32 32 32 28

(W1, W2, H1 & H2 A AND 'L' DENOTES

S.No. 1 2 3 4 5

WIDT 5 1 5 5 8

Sheet 26g 24g 22g 20g 18g 16g Total

Area

1

For suggestions : anwer_quadri@yah anwer_quadri@yah

DUCTS ed by by : S.Anwa S.Anwarr M. Quad Quadri ri d by : : BE-2/1 s.

W2 52 52 50 46 20 42 40 38 36 34 32 32 28 28 28

TAPER H1 H2 20 20 20 18 18 18 18 18 20 20 18 18 18 18 18 18 18 18 18 18 18 18 18 16 16 16 16 16 16 14

L 20 20 20 30 30 20 20 20 20 20 20 20 20 20 20

AREA (ft²) GUAGE 22 20.28 22 19.72 22 19.17 22 27.50 22 23.75 22 17.22 22 16.39 22 15.83 22 15.28 22 14.72 22 14.17 22 13.61 22 12.78 22 12.78 24 11.94

RE WIDTHS & HEIGHTS OF LONGER & SHORTER SIDES RESPEC LENGTH OF THE DUCT.)

H (in) 6 2 6 6 8

ELBOW HEIGHT (in) 32 10 32 32 32

AREA (ft²) 107.51 5.76 107.51 107.51 230.38

(ft ) Area incl wastage(ft ) 189.44 217.86 622.22 715.56 ,457.57 1,676.20 190.00 218.50 322.54 370.92 230.38 264.94 ,012.15 3,463.98 ²

oo.co.in

²

USG 18 22 18 18 16

Sheets required 6.81 22.36 52.38 6.83 11.59 8.28

0.15

0.15

0.15

0.15

0.15

0.15

0.15

SURFACE AREA CALC S. No. 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

LINEAR DIAMETER LENGTH 24 24 10 12 11 11

²

0

0.00

wastage Sheet area Sheet 26g 24g 22g 20g 18g 16g Total

AREA (ft ) GUAGE 22 12.57 26 2.62 26 2.64 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00

S. No. 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

D1 32 10

15 % 32 ft

²

Surface area 7.61 0.00 39.77 0.00 0.00 241.81 289.19

Surface area incl waste 8.76 0.00 45.73 0.00 0.00 278.08 332.56

Sheets required 0.27 0.00 1.43 0.00 0.00 8.69

ULATION OF ROUND DUCTS TAPER D2 LENGTH 25 12 8 12

AREA (ft ) GUAGE 22 7.46 26 2.36 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 ²

0.00

0

S. No. 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

ELBOW DIAMETER AREA (ft ) GUAGE 24 22 19.74 84 16 241.81 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0 0.00 ²