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C-103 · Public agencies and prime consultants
ADA curb ramps, sidewalks, and TPARs
Pedestrian facilities leave very little room for error. A ramp that misses its slope by a fraction is expensive to fix once the concrete cures. We design them to PROWAG and ODOT standards, and we check the forms before the pour.
We design accessible routes in the public right-of-way, review existing facilities for compliance, and follow the work into construction so the slopes on the plans are the slopes that get built.
What you get
- Curb ramp design
New construction and retrofits, with detectable warning placement.
- Sidewalk grading and pedestrian access routes
Modeled in 3D with the adjacent roadway, so ramps and walks tie in cleanly.
- Pedestrian signal replacement design
At intersections, coordinated with the ramp work.
- Temporary pedestrian access routes
TPARs for traffic control plans, so people keep moving safely through a work zone.
- Compliance reviews
Existing pedestrian facilities reviewed for public agencies.
- ADA improvement plans for buildings and sites
For contractors and plan reviewers.
- Form checks
Slopes measured before the pour and rechecked after it, which is the practical way to reach compliance and avoid a tear-out.
Training and experience
Robert Rippee, PE holds ODOT certification for the design of ADA curb ramps and pedestrian signal replacements, and that training covered temporary pedestrian access routes. We have prepared TPAR sheets for agency review and produced ADA improvement plans for a manufacturing building that the City of Sheridan approved.
Standards
Current ADA and PROWAG requirements for the public right-of-way, ODOT standard drawings for curb ramps and temporary pedestrian access routes (ODOT revises them, so we confirm the current drawing before design), and local agency requirements.
Related sheets
- C-101
- C-102
- C-104
- C-105