---
title: Duluth UDC § 1014 — Duluth
jurisdiction: duluth
governing_jurisdiction: Duluth
source_url: "https://www.duluthga.net/UDC_ADOPTED_9.8.2025_Amended_7-13-26.pdf"
effective_date: "2026-07-13"
as_of: "2026-08-13"
canonical: "https://www.gwindex.net/code/duluth/1014"
licence: "CC0-1.0"
---

# Duluth UDC § 1014

Standard Specifications

**Governing jurisdiction: Duluth.** A "Duluth, GA" mailing address is usually NOT in the City of Duluth. Unincorporated Gwinnett is 67.3% of the county's land area and is governed by a different code, a different board and a different permit portal. Resolve the governing jurisdiction before answering any zoning question.


- **Article:** 10 — Erosion Control and Stormwater Management
- **Pages in source:** 279
- **Adopted:** 2025-09-08
- **Amended through:** 2026-07-13
- **Source:** https://www.duluthga.net/UDC_ADOPTED_9.8.2025_Amended_7-13-26.pdf

## Text

1014.01. Allowable Pipe Materials
1. Reinforced concrete pipe (RCP) is required to be used for stormwater conveyance within the right-of-way
or in systems that are intended for dedication to the City of Duluth.
2. RCP is required when pipe slopes are less than 1%.
3. RCP is required when conveying waters of the state.
4. RCP is required for detention ponds/ vault outlet control structures and outlet pipes.
5. Other pipe materials may be used to convey onsite stormwater runoff on private development projects in
accordance with the manufacturer’s specifications and Professional Engineer’s design.
6. RCP shall be a minimum of Class III, and shall be provided in joint lengths not more than 8 feet each. All
joints shall be bell and spigot or tongue and groove type, with a rubber gasket conforming to ASTM C-443.
Pipe shall be manufactured in accordance with AASHTO M-170 and/or ASTM C-76. Class of pipe and wall
thickness shall be in accordance with 1030-D, Georgia DOT specification, Table No.1.
7. All stormwater management pipe systems must use watertight joints.
8. The City may approve an alternative pipe material.