TAXIWAY ALPHA REHABILITATION

Ashton B. Watson, P.E., C.M., ACE

Airport Engineer

Pavement Management Plan

Pavement Management Plan

Capital Investment Program

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

Design Schedule

Intersection Geometry of TWY A,G,R

*Hot Spot 1

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

Other Design Considerations

Construction Safety and Phasing Plan

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

Safety Risk Management (SRM) Workshop

Safety Risk Assessment (SRA) Workshop

Public Contact

• Closing 5/23 as a runway

• Press Release and Council Manager Memo

• Coordination with FAA, AAL, FedEx, UPS

• 7460 Permits

• NCDENR

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

UPS Change Order

CLT Airport: Building an Airport for the Future!