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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


2023 Supplemental Specifications 


Please note:

  • The 2023 Supplemental Specifications are for reference only. The City is working on updates. 
  • 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:

Location

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

Local Highway Technical Assistance Council (LHTAC)

Phone: 208-344-0565
LHTAC Website