---
title: Curved Alignment
description: Changes in direction of sewer lines are usually accomplished at manhole structures. Grade and alignment changes in concrete pipe sewers, however, can be incorporated into the line through the use of deflected straight pipe, radius pipe or specials.
---

[ACPA Resources ](https://resources.concretepipe.org)

# [Curved Alignment](https://resources.concretepipe.org/dd21-curved-alignment)

 Written by [Design Data](https://resources.concretepipe.org/author/design-data) | 10/4/21 6:53 PM

## Design Data 21:  Curved Alignment

Changes in direction of sewer lines are usually accomplished at manhole structures. Grade and alignment changes in concrete pipe sewers, however, can be incorporated into the line through the use of deflected straight pipe, radius pipe, or specials.

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