SS-EN-12056-2 Gravity drainage systems inside buildings - Part 2: Sanitary pipework, layout and calculation


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This European Standard applies to waste water drainage systems which operate under gravity. It is applicable for drainage systems inside dwellings, commercial, institutional and industrial buildings. Differences in plumbing within Europe have led to a variety of systems being developed. Some of the major systems in use are described but this standard has not attempted to detail the intricacies of each system. Detailed information additional to that contained in this Standard may be obtained by referring to the technical documents listed in Annex A. This second part of the standard sets out principles which shall be followed for both layout and calculation. It makes limited provision for drainage systems conveying trade effluent and also makes limited provision for fluids removed by pumps. All drawings in the standard are given as examples and are not intended to exclude any other system configuration.

To find similar documents by classification:

01.040.91 (Construction materials and building (Vocabularies))

91.140.80 (Drainage systems Sewage water disposal and treatment, see 13.060.30 Drainage systems for rainwater, see 91.060.20 External sewage systems, see 93.030)

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Designation Name

SS-EN 12056-2

Revision Level




Publication Date

Dec. 22, 2000



Page Count


International Equivalent

EN 12056-2:2000(IDT)