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
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:
Other Specifications
Sewer Lift Station Specifications and Standard Drawings - July 2018
Approved LED Fixture List for Streetlights - Updated March 2023
Location
33. E. Broadway Ave.
Suites 200 & 204
Meridian, Idaho 83642
Monday-Friday, 8:00AM-5:00PM
Contact
Local Highway Technical Assistance Council
Phone: 208-344-0565
Website: lhtac.org/resources/ispwc