Presentation Transcript
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 Detail 4th- Hickory- Anaconda : ADA Ramp Detail 4th- Hickory- Anaconda
ADA Ramp Detail 4th- 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!
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