• Colebrook White Hydraulic Calculation for fully filled pressure and sewage pipe
• Colebrook White Hydraulic Calculation for partially filled sewage pipe
• Chemical Resistance Calculation
• Static calculation for installed sewage pipes
• Pressure pipes wall thickness calculator
  
• TEPPFA Design Guide

Please note that these programs are supplements to Quality Plastics/Pipelifes different design brochures. The user is expected to have an understanding of the equations and principles involved, their applicability and limitations. Use of these programs is not intended to replace the evaluation and judgment of a professional engineer competent in this field. Although every effort has been made to ensure the accuracy of the information contained herein, its accuracy is not guaranteed. All tables, statements, and results may be considered as recommendations only. Recommendations arising from use of this program are not applicable to products manufactured by others.