taxiway alpha rehabilitation · •closing 5/23 as a runway •press release and council manager...
TRANSCRIPT
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TAXIWAY ALPHA REHABILITATION
Ashton B. Watson, P.E., C.M., ACE
Airport Engineer
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Pavement Management Plan
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Pavement Management Plan
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Capital Investment Program
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Consultant Selection and Negotiation
• RFQ for General Engineering Services
• Pool of firms to chose from
• Scope and Fee
• Geotech, Surveying, Utility locates, Design,
Bidding, Electrical, SRM, Construction
Admin, Materials Testing
• Independent Fee Estimate
• Negotiation
• Procurement and City Council Approval
• Above is about 9 month process
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Design Schedule
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Intersection Geometry of TWY A,G,R
*Hot Spot 1
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Other Design Considerations
• Shoulders
• Asphalt vs. Concrete
• Future Concourse and Ramp Expansion
• Underdrains
• Lighting systems
• Regulator at East Lighting Vault
• 2.5% Longitudinal Taxiway Grade
• Modification of Standards
• Oil-Water Separators
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Other Design Considerations
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Construction Safety and Phasing Plan
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Safety Risk Management (SRM) Workshop
• Foreign Object Debris/Damage
• Contractor Vehicle Deviation/Loss of Situational
Awareness
• Pedestrian Loss of Situational
Awareness/Pedestrian Deviation
• Pilot Loss of Direction/Pilot Confusion
• Debris damage tow workers and equipment
caused by jet blast
• Head-to-Head taxiing aircraft at AAL Maintenance
Ramp
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Safety Risk Management (SRM) Workshop
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Safety Risk Assessment (SRA) Workshop
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Public Contact
• Closing 5/23 as a runway
• Press Release and Council Manager Memo
• Coordination with FAA, AAL, FedEx, UPS
• 7460 Permits
• NCDENR
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Value Engineering
• Original Estimate = $12,534,360
• Bid Opening = $13,454,449
• Negotiated Price = $12,823,949 (2.3% over)
• Value Engineering Items:
• Contractor Retain Millings
• Cement-Treated Base instead of P-403
• Liquid AC type: PG64-22 instead of PG76-22
• Removal of Glasgrid Interlayer
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UPS Change Order
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CLT Airport: Building an Airport for the Future!