---
title: Partial Flow Conditions for Culverts
description: Sewers, both sanitary and storm, are designed to carry a peak flow based on anticipated land development.
---

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# [Partial Flow Conditions for Culverts](https://resources.concretepipe.org/dd16-partial-flow-conditions-for-culverts)

 Written by [Design Data](https://resources.concretepipe.org/author/design-data) | 10/4/21 6:38 PM

## Design Data 16:  Partial Flow Conditions for Culverts

Sewers, both sanitary and storm, are designed to carry a peak flow based on anticipated land development. The hydraulic capacity of sewers or culverts constructed of precast circular concrete pipe flowing full under gravity conditions on a known slope Is readily calculated from the Manning Formula.

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