Page 332 - Plumber- TT - 1st Year - Tamil

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PBN2412712

Sl. No. Dia. of pipe Average rate of rainfall in mm
mm 50 75 100 125 150 200

Roof area in square metres

1 50 13.4 8.9 6.6 5.3 4.4 3.3

2 65 24.4 16.0 12.0 9.6 8.0 6.0

3 75 40.8 27.0 20.4 16.3 13.6 10.2

4 100 85.4 57.0 42.7 34.2 28.5 21.3
5 125 80.5 64.3 53.5 40.0

6 150 83.6 62.7

UûZ¿o ûTlþLû[ T§jRp (Laying of ûPh ©[d LhûPL°u ALu\ Tϧ
rainwater) ùY°úV ùR¬ÙmT¥, úTd¡e ùNnVlTP
úYiÓm.
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2 ÑYt±p ApXÕ EúXôLjçiL°u ùTôÚjRlTPúYiÓm.
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¨ßYúYiÓm.
RWlThÓ ûTlþLs
3 ûTlþL°u CûQl×Ls ¿odL£®u± Õi¥dLlTPúYiÓm.
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7 ûTlþLs Õi¥dLlTÓmúTôÕ
4 ¡[ôm×LÞdLô] Õû[Ls úRûYVô]
A[®tÏ UhÓúU HtTÓjRlThÓ Yôp
312 ©[m©e þ ©[mTo (NSQF - Revised 2022) - R.T. for Ex. 1.10.-96