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Rubber Tire Buildup Removal at Hartsfield-Jackson Atlanta International Airport. Quintin Watkins,P.E. Prime Engineering, Inc., Atlanta, GA Rick Boudreau, P.E. Boudreau Engineering, Atlanta, GA Rob Rau, CM and Heinz Hansen, CM Hartsfield-Jackson Atlanta International Airport

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rubber tire buildup removal at hartsfield jackson atlanta international airport

Rubber Tire Buildup Removal at Hartsfield-Jackson Atlanta International Airport

Quintin Watkins,P.E.

Prime Engineering, Inc., Atlanta, GA

Rick Boudreau, P.E.

Boudreau Engineering, Atlanta, GA

Rob Rau, CM and Heinz Hansen, CM

Hartsfield-Jackson Atlanta International Airport

2010 FAA Worldwide Airport Technology Transfer Conference

April 20-22, 2010, Atlantic City, New Jersey, USA

hartsfield jackson atlanta international airport
HARTSFIELD-JACKSON ATLANTA INTERNATIONAL AIRPORT
  • 5 Runways
  • 2 Arrivals –
  • 9L (1972) & 8R (2006)
  • 2 Departures –
  • 9R (1999) & 8L (1984)
  • 1 Mixed –
  • 10/28 (2006)
  • 1,400 Peak Daily Arrivals
  • 400,000 Landing Ops per year
why measure friction on runways
WHY MEASURE FRICTION ON RUNWAYS?
  • “Contaminants, such as rubber deposits, dust particles, jet fuel, oil spillage, water, snow, ice and slush, all cause friction loss on runway pavement surfaces.”
  • “The most persistent contaminant problem is deposit of rubber from tires of landing jet aircraft”
  • “Heavy rubber deposits can completely cover the pavement surface texture causing loss of aircraft braking capability and directional control, particularly when runways are wet.”
  • Source: FAA AC 150/5320-12C Paragraph 3-1
slide4

SARSYS FRICTION TESTER - SFT

(SCANDINAVIAN AIRPORT AND ROAD SYSTEMS)

  • CFME- Continuous Friction Measuring Equipment
  • The “Mu Value” is calculated by the horizontal force divided by the vertical force or by using the measured torque generated at the measuring tire.
  • Runway friction coefficient (property of micro and macro surface)

SAAB 9-5

SAAB 9000

testing procedure
TESTING PROCEDURE
  • “Friction surveys should be conducted 10 and 20 feet to the right of the runway centerline to determine the worst case condition.”
  • “The SFT is equipped with a self-wetting system to simulate rain wet pavement surface conditions and provide the operator with a continuous record of friction values along the length of the runway.”
  • Source: FAA AC 150/5320-12C Paragraph 3-15(a)
testing frequency required mu values
TESTING FREQUENCY & REQUIRED Mu VALUES
  • FRICTION TESTING CONDUCTED ON
  • Arrival Runways BIWEEKLY
  • 8L-26R, 9R-27L, 10-28
  • Departure Runways QUARTERLY
  • 8R-26L, 9L-27R
  • Minimum Friction Level - .50
  • Maintenance Planning Friction Level - .60
  • Source: FAA AC 150/5320-12C Table 3-2 ‘FRICTION LEVEL CLASSIFICATION FOR RUNWAY PAVEMENT SURFACES
runway pavement maintenance removal schedule
RUNWAY PAVEMENT MAINTENANCE & REMOVAL SCHEDULE

No Maintenance required on Runway 9L

C- Chemical Removal

S- Shot Blast

R- Regrooved

conclusions
Conclusions
  • Hartsfield-Jackson Atlanta International Airport
  • Uses a combination of
    • Chemical Removal average Friction Value of 0.80
    • Shot Blasting average Friction Value of 0.90
questions

QUESTIONS ???

THANK YOU!