---
title: Duluth UDC § 912.01 — 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/912.01"
licence: "CC0-1.0"
---

# Duluth UDC § 912.01

Local and Minor Collector Streets within a Residential Subdivision

**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:** 9 — Project Design and Construction Standards
- **Pages in source:** 257–258
- **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

i. The base course shall consist of at least 8 inches of compacted and graded aggregate

base. After being thoroughly compacted and brought to proper section 2 inches of 19
mm Superpave binder course shall be applied.
ii. If a delay in paving is reasonably expected by the Developer or the Department, the

base shall be primed with 0.25 gallon of R.C. 70 per square yard the same day it is
compacted and cured for 7 days prior to paving.
iii. The final 1.5 inch of 9.5 mm Superpave surface course shall be applied after 90% of the

houses on the street have been built, or prior to the end of the maintenance period (but
after the 11th month), whichever occurs first. Prior to applying surface course, a tack
coat shall be applied to the binder course at a rate of no less than 0.05 gallons per
square yard.
iv. Type of tack shall be approved by the Planning and Development Department prior to

placement.
b. Soil Cement Base.

256 | P a g e

Article Nine. Project Design and Construction Standards

i. The design must come from a geo-technical firm with the results certified by a

Professional Engineer registered in the State of Georgia. The tests required for the
design are ASTM D558 or AASHTO T134 or ASTM D559 and/or 560 or AASHTO T135 and
136.
2. Concrete Streets: Shall be designed by a geotechnician