This document provides information about a presentation on drainage systems for residential houses given by a group of 5 students. It includes an introduction to house drainage systems and their purpose. It then describes the basic components of drainage systems including sinks, wash basins, and urinals. It discusses materials used for drainage pipes like cast iron, PVC, copper, and galvanized iron. The document also covers design considerations, estimating pipe lengths, requirements for drainage systems, Indian drainage standards, and formulas used.