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Public Works previews 2024 updates to Infrastructure Design and Construction Standards and plans February public hearing
Summary
Public Works outlined technical updates, new checklists and future revisions to Arapahoe County’s Infrastructure Design and Construction Standards (IDCS). Staff will publish the document for public comment and asked the board to set a public hearing Feb. 25 for final adoption.
Public Works staff presented a draft update to Arapahoe County’s Infrastructure Design and Construction Standards (IDCS) at the Jan. 28 study session, asking the board to schedule a public hearing for adoption after a public‑comment period.
Sila Rathamel, engineering services division manager, said the 2024 update aligns county standards with new references from CDOT and pavement‑management sources, modernizes chapter flow to match the county’s land‑development review sequence, and adds checklists, updated traffic‑signal appendices and pavement‑marking guidance. The update also replaces outdated references and reduces paper workflows in favor of electronic submittals.
External reviewers told staff the IDCS was long and technical; Rathamel said the intended audience is design professionals rather than the general public. Staff described planned future changes for 2025–26 that would address roadway cross sections, bridge‑structure chapters (where the county would seek third‑party consultant support), small‑cell and communications updates, and potential minimum section thickness for private parking lots to reduce long‑term maintenance burdens.
Commissioners asked several operational questions: Commissioner Jessica Campbell emphasized the need to avoid duplicative studies where MPOs (metropolitan planning organizations) can perform required analyses; Director Brian Weimer suggested MPOs could cover mode‑choice analyses for their jurisdictions while TPRs or CDOT handle rural areas. Commissioners also requested an improved acronym and definitions section for the draft IDCS to help outside users.
Staff requested the board set a public hearing on Feb. 25 and said it will publish the update for a 30‑day public comment period prior to that hearing. The board did not register opposition to scheduling the hearing.
What’s next: Public Works will post the draft IDCS for comment, incorporate applicable feedback, and return to the board on Feb. 25 for a public hearing and potential adoption.
