Septic tank is usually consists of brick wall in cement not less than _______(a) 20 cm(b) 100 cm(c) 80 cm(d) 200 cmThis question was addressed to me by my college professor while I was bunking the class.The doubt is from Design of Septic Tanks topic in division Road Estimating, Sanitary and Water Supply Work of Civil Engineering Drawing

Septic tank is usually consists of brick wall in cement not less than

1.	Septic tank is usually consists of brick wall in cement not less than _______(a) 20 cm(b) 100 cm(c) 80 cm(d) 200 cmThis question was addressed to me by my college professor while I was bunking the class.The doubt is from Design of Septic Tanks topic in division Road Estimating, Sanitary and Water Supply Work of Civil Engineering Drawing
Answer» RIGHT choice is (a) 20 cm The best EXPLANATION: Septic TANK is usually consists of BRICK wall in cement not less than 20cm(9”) thick and the foundation floor are of cement concrete 1:3:6 or 1:2:4. Both inside and outside faces of wall and floor are PLASTERED with a minimum thickness of 12mm thick cement mortar 1:3 and all inside corners are rounded.

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