Design calculation for Building sewer line in Toilet Downtakes and Basements as per NBC

Design calculation for Building sewer line in Toilet Downtakes and Basements as per NBC
Drainage is important aspect of any project and it need to be designed correctly for ensuring good health of residents.
Design calculations in attached sheets are done as per National Building Code of India, Part-9 Plumbing Services, Section 1 Water Supply, Drainage and Sanitation (Including Solid Waste Management), Table-25 Maximum Number of Fixture Units that can be Connected to Branches and Stacks, More Than 3 Storeys in Height.

The attachment consist of Internal Toilet pipe sizing for horizontal and vertical downtakes, basement layout of sewage.

The sample design calculation for Sewer as per National Building Code is attached below.
 

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  • Design Calculations Sewer.xlsx
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