One tool for pipes up to 1000mm nominal diameter and one for structured wall pipes with diameters between Ø1000mm and Ø3000mm. The structured wall pipes shall comply with the European standard EN 13476: Plastics piping systems for non-pressure underground drainage and sewerage – Structured-wall piping systems.
The main driver behind the development of both calculation method, as in the case of the calculation method for small diameter plastic pipes, was the Swedish expert Jan Molin. This online tool is particularly handy as it makes the calculations fast and convenient.
Disclaimer: The Information and calculation results of this program are provided for information purposes only.
It is the aim of TEPPFA that the information, formula, and calculation tools etc. are correct. However, for many reasons, including, but not limited to, the user computer set-up, frequent changes in product development, design, material, statutes, standards, and manuals, there may be errors or inaccuracies in information or calculation results for which TEPPFA shall have no responsibility or liability. In addition, we may change any information from time to time without giving notice thereof. TEPPFA hereby excludes liability to the greatest possible extent, no matter the causal connection, for the correctness of the information and the calculation results provided or for any unintended effect of the use thereof.Accept disclaimer and limitation of liability