<p>This Architectural Drawing is Drainage pipeline plan for commercial building. This is a 5 story building. Drainage is <strong>the system or process by which water or other liquids are drained from a place</strong>. Line the pots with pebbles to ensure good drainage. The drainage system has collapsed because of too much rain. Synonyms: sewerage, waste, sewage More Synonyms of drainage. sewerage and sewage are regularly used interchangeably, however, this is actually incorrect. <strong>Sewage refers to the waste that is discharged, whereas sewerage/sewers are the structure that the discharge goes in to</strong>. For more information and details download the drawing file. </p>