Published on October 9, 2007
ADA Ramp Design & Construction Issues: ADA Ramp Design & Construction Issues 2006 Highways and Engineering Conference Objectives: Objectives Share Recent Experiences In: Contract Administration Design Changes After Award Contractor Concerns & Claims Ramp Designs Retro-Fit Challenges Topography Surveys Project:: Project: CM 0204(4) 4th-Hickory to R/R Xing- Anaconda Cold Milling, PMS Overlay, Seal & Cover, Sidewalk, and Curb & Gutter ADA Ramp Detail4th- Hickory- Anaconda: ADA Ramp Detail 4th- Hickory- Anaconda ADA Ramp Detail4th- Hickory- Anaconda: ADA Ramp Detail 4th- Hickory- Anaconda Contractor Claim: Contractor Claim Contractor Submits Claim Resulting From MDT Design Changes Claims MDT Changed Sequence of Operations Requiring Extra Work One Size Fits All Mentality Outcome- MDT Settled The Claim at The District Level Agreed to Additional Costs Per Radius Additional Contract Time Contractor Claim: Contractor Claim Contributing Factors- Subcontractor New to Business Unfamiliar With ADA Retro-Fit Type Work Ramp Design Changes Post Award Scenario Could Effect Apparent Low Bid Topography Survey & Plan Details Slide10: < 36” > Recommendations: Recommendations Carefully Consider Design Changes After Award Negotiating Terms, Lack of Competition Claims Preliminary Survey Considerations Topography Drainage, Curb Configuration Whenever Practical Designer Visits Project Recommendations: Recommendations Design Details All or None Develop Design Specialists (e.g. Geometrics) Communication Prelim. Survey Request Requires Photo Log Coordination Increase Plan Checkers Awareness to Help Identify Potential Concerns Example Detail-Geyser to Park-Livingston: Example Detail- Geyser to Park-Livingston Example Detail-Geyser to Park-Livingston: Example Detail- Geyser to Park-Livingston Geyser to Park-Livingston: Geyser to Park-Livingston Slide22: That’s It! Thank You!