City of Meridian

Specifications and Standards

New Public Works infrastructure must be designed and constructed to meet regulatory standards, maximize longevity, and insure low operation and maintenance costs. The Public Works Specifications and Design Standards have been developed to help achieve these goals.

Design Standards

2024 Design Standards - Effective September 16, 2024

AutoCAD Standards

2023 Supplemental Specs

Please note: The Approved Parts List has been updated to note current manufacturers/products. See drawings for details.

Division 100 of the Supplemental Specifications has been updated to align with the numbering of the ISPWC Specifications.

For Plans Submitted after January 1, 2023:

Table of Contents Rev. Oct 2024
City Engineer's Letter Rev. Mar 2023
100 General Conditions Rev. Oct 2024
200 Earthwork Rev. Feb 2018
300 Trenching Rev. Dec 2022
400 Water Division Rev. Dec 2022

500 Sewer Rev. Dec 2022
600 Culverts, Storm Drains & Gravity Irrigation Rev. Feb 2018
700 Concrete Rev. Feb 2018
800 Aggregates & Asphalt Rev. Feb 2018
900 Pressure Irrigation Rev. Feb 2018

1000 Const Storm Water Best Mgmt Rev. Dec 2022
1100 Traffic-Streetlights Rev. Dec 2022
1200 Recycled Water Rev. Dec 2022
2000 Miscellaneous Rev. Feb 2018
Current Standards Drawings & Index Rev. Nov 2024
Approved Parts List Rev. Oct 2025

Other Specifications

Sewer Lift Station Specifications and Standard Drawings- July 2018
Approved LED Fixture List for Streetlights - Updated March 2023
Electrical Standards 2023
Meridian Parks and Recreation Department Specifications

Location

33. E. Broadway Ave.
Suites 200 & 204
Meridian, Idaho 83642
Monday-Friday, 8:00AM-5:00PM

Contact

Phone: 208-898-5500
publicworks@meridiancity.org

Local Highway Technical Assistance Council (LHTAC)

Phone: 208-344-0565
LHTAC Website