runway strip runway end safety area (resa) · pdf file3.4.6 an object situated on a runway...
TRANSCRIPT
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Presented To: Caribbean States
By: FAA Office of Airports
Runway Strip &
Runway End Safety Area
(RESA)
Federal Aviation Administration ICAO/FAA Comprehensive Aerodrome
Certification Inspector Workshop
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Federal Aviation Administration
Presentation outline
• Aerodrome design • Design aircraft/operating aircraft • Regulatory requirement/technical guideline
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Federal Aviation Administration
Factors for airport design
• Runways: high speed: length, width and surface gradients
• Taxiway/Taxi lane: width, lateral separation and surface gradient.
• Aprons and Hangars: lateral separation and surface gradients
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Federal Aviation Administration
Factors for airport design (Cont)
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Doc 9157 – Aerodrome Design
Manual, Part 1
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Federal Aviation Administration
Runway strip and RESA
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Federal Aviation Administration
•Runway Pavement
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Federal Aviation Administration
•NAVAIDs and Marking
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Federal Aviation Administration
•Runway End Safety Area
•Runway Strip/Runway End Safety Area–Code No. 3/4 Runway
•Runway Strip •Runway End Safety Area
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Federal Aviation Administration
•Runway End Safety Area
•PIR Runway
•Extend 150 m (500’)
•3.5.6 No objects should be situated in
RESA that may endanger planes.
•3.5.7 RESA should be graded and cleared to reduce risk of damage
to planes undershooting or overrunning the
runway.
•Runway Strip/Runway End Safety Area Code No. 3 & 4 PIR Runway – ICAO Annex 14, 3.4
•Runway Strip extends 60m
(200’) past thresholds
•Runway Strip •Runway End Safety Area
•300 m (1000’)
•3.4.7 No Fixed Objects other than frangible visual aids permitted in Runway Strip within 60 m (200’) of CL or
77.5 m (250’) of CL for Code 4F runway.
•3.4.8 Runway Strip should be graded 75 m (250’) of CL.
•3.4.11 Runway Strip should have blast
erosion protection 30 m (100’) prior to threshold
•90 m Required
•240 m Recommended
•Width shall be at least twice runway width.
Recommended width same as graded width
of Runway Strip (75 m).
•75 m (250’) graded
•3.4.6 An object situated on a runway strip which may endanger aeroplanes should be regarded as an
obstacle and should, as far as practical, be removed.
•3.11.5 Taxiway strip should be graded 22 m (72’) from centre line for Code Letter E.
•3.4.3 Runway strip for PIR shall extend, wherever practical, laterally 150 m (500’) of CL.
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Federal Aviation Administration
Runway strip and RESA
• Runway strip: FAA divide this surface into Runway Safety Area and Runway Object Free Area. Only the RSA has regulatory requirement.
• Taxiway and Apron strip • Runway End Safety Area (RESA)
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Federal Aviation Administration
Regulatory requirement
• Dimensions: • Grading • Bearing capacity • Objects • Frangibility • Surface smoothness
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Federal Aviation Administration
FAA – Runway Safety Area
• Previous standards 60 m by 150 m • Current standards 300 m by 150 m • Analysis done by FAA collecting all
accidents/incidents after 2/1987 • Runway Project required RSA improvement • EMAS
Airport Example
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Federal Aviation Administration
Aerodrome Manual
• Identify existing dimension of graded RSA • Inspector verify required dimension using
design aircraft and IFR minimums • Verify that all objects in the RSA are fixed-
by-function and mounted with frangible support
• Verify operator’s procedure to maintain RSA
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Federal Aviation Administration
Taxiway strip
• Width from Annex 14 Table 3-1 column 11 • Leveled width: 11m, 12.5 m, 19 m, 22 m, 30
m (A-F) • Gradient: 2.5% (C-F); 3% (A-B) • Gradient beyond leveed area: 5% • Object Fixed-by function? (frangible?)
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Federal Aviation Administration
Part 139 – Field Inspection
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Federal Aviation Administration
PART 139.309(a)
• Dimensions: authorized by the administrator at the time the construction, reconstruction or significant expansion was began after 01/01/1988
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Federal Aviation Administration
PART 139.309(b)
• 1) Cleared and graded with no potentially hazardous humps, depressions or other surface variations
• (2)Drained by grading or storm sewers to prevent water accumulation
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Federal Aviation Administration
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Federal Aviation Administration
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Federal Aviation Administration
PART 139.309(b)(4)
• Safety Area: – Only those that are “fixed by function”
• E.G. PAPIs; ALS; Runway Lights; Glide Slope Antenna; etc.
– Must be frangible at <= 3”
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Federal Aviation Administration
Inspection of RSA
• Observe RSA dimensions/ grading at EoR • Drive runway edge: observe standards
compliance • Use holding position signs as guide for
dimensions. • Observe slopes on RSA: Survey • Check object in the RSA for frangible support. • May drive over RSA in dry condition to assess
support
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Federal Aviation Administration
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Federal Aviation Administration
Declared distances
• It is payload limitation method • Accelerated stop and landing distance
available are reduced to build in RSA • Published in Airport Facility Directory • Mostly used by dispatchers
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Federal Aviation Administration
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Federal Aviation Administration
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Federal Aviation Administration
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Federal Aviation Administration
Pavement
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Federal Aviation Administration
Presentation outline
• What Part 139 requires for paved areas • Three types of pavement information • Pavement Classification Number (PCN) • Pavement Surface Evaluation (PASER) • Pavement Condition Index (PCI)
• Reporting condition to users
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Federal Aviation Administration
Regulation requirements - 309.305(a)(1)
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Pavement edges must not exceed 3” between • Pavement and abutting areas
• Abutting pavement sections
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Federal Aviation Administration
SECTION 139.305(a)(2)
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Holes over 5” across may not
• Exceed 3” depth
• Slope 45° or more
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Federal Aviation Administration
Regulation requirements – 309.305(a)(3)
• Pavement must be free of cracks and surface variations that could impair air carrier aircraft directional control
• Any crack or surface deterioration that produces loose aggregate or other contaminants must be repaired immediately
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Federal Aviation Administration
Regulation requirements –309.305
• Airport Certification Manual • Maintenance and prompt repair • (a)(1): Maximum 3 inches lips (edges) • (a)(2): No holes • (a)(3): Cracks and surface variation • (a)(4): Foreign Object Debris (FOD) • (a)(5): Chemicals • (a)(6): Drained, water accumulation
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Federal Aviation Administration
Pavement crack
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Federal Aviation Administration
Regulation requirements – 309.305(a)(4)
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Federal Aviation Administration
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Federal Aviation Administration
Regulation requirements – 309.305(a)(6)
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Federal Aviation Administration
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Federal Aviation Administration
Regulation requirements – 309.305(a)(5)
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Federal Aviation Administration
Types of pavement
• Flexible pavement: transmit the load from granular contact. It is made of asphalt concrete surface.
• Rigid pavement: transmit the load like a beam, It is made of Portland Cement Concrete
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Federal Aviation Administration
Types of Pavement
• Pavement is the structure we build over a supporting surface (soil) to transmit the traffic load (aircraft). The load at the soil must be less than what the soil is capable to support.
• Pavement structure consist on a series of layer being the surface layer the highest quality and the bottom one the lowest quality
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Federal Aviation Administration
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Federal Aviation Administration
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Federal Aviation Administration
Types of pavement
• Flexible = Asphalt • Rigid = Portland cement • Asphalt over concrete • Concrete over asphalt (asphalt is basically a
base course) • Resurfacing (asphalt over asphalt) • Thin layer (concrete)
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Federal Aviation Administration
Causes of pavement deterioration
• Loading: passages of loads (aircraft) • Climate: pavement expansion and
contraction due to temperature • Environment: snow, rain etc.. • Natural deterioration
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Federal Aviation Administration
Pavement distresses
• Cracking • Joint seal damage (rigid pavement) • Distortion • Disintegration • Loss of skid resistance
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Federal Aviation Administration
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Federal Aviation Administration
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Federal Aviation Administration
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