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requirement in Chapter 5, shall be permitted on a runway strip:
a) within 77.5 m of the runway centre line of a precision
approach runway category I, I1 or I11 where the code
number is 4 and the code letter is F; or
Slopes on runway strips
3.4.12 Longitudinal slopes
b) within 60 m of the runway centre line of a precision
approach runway category I, I1 or I11 where the code
number is 3 or 4; or
Recommendation.- A longitudinal slope along that
portion of a strip to be graded should not exceed:
Annex I4 - Aerodromes Volume I
- 1.5 per cent where the code number is 4; - 40 m where the code number is 2; and
- 1.75 per cent where the code number is 3; and - 30 m where the code number is 1;
- 2 per cent where the code number is 1 or 2. from the centre line of the runway and its extended centre line
should be so prepared or constructed as to minimize hazarctr
arising from dzfferences in load bearing capacity to aeroplanes
which the runway is intended to serve in the event of an
3.4.13 Longitudinal slope changes aeroplane running off the runway.
Recommendation.- Slope changes on that portion of a
strip to be graded should be as gradual as practicable and
abrupt changes or sudden reversals of slopes avoided. 3.5 Runway end safety areas
3.4.14 Transverse slopes
Recommendation.- Transverse slopes on that portion of
a strip to be graded should be adequate to prevent the accumulation
of water'on the su$ace but should not exceed:
General
3.5.1 A runway end safety area shall be provided at each
end of a runway strip where:
- the code number is 3 or 4; and
- 2.5 per cent where the code number is 3 or 4; and
-the code number is 1 or 2 and the runway is an
- 3 per cent where the code number is 1 or 2; instrument one.
Note.- Guidance on runway end safety areas is given in
Attachment A, Section 9.
except that to facilitate drainage the slope for the first 3 m
outward from the runway, shoulder or stopway edge should be
negative as measured in the direction away from the runway
and may be as great as 5 per cent.
Dimensions of runway end safety areas
3.4.1 5 Recommendation.- The transverse slopes of any
portion of a strip beyond that to be graded should not exceed
an upward slope of 5 per cent as measured in the direction
away from the runway.
3.5.2 A runway end safety area shall extend from the end
of a runway strip to a distance of at least 90 m.
3.5.3 Recommendation.- A runway end safety area
should, as far as practicable, extendfim the end of a runway
Strength of runway strips strip to a distance of at least:
3.4.16 Recommendation.- That portion of a strip of an
instrument runway within a distance of at least:
- 240 m where the code number is 3 or 4: and
- 120 m where the code number is 1 or 2.
- 75 m where the code number is 3 or 4; and
3.5.4 The width of a runway end safety area shall be at
- 40 m where the code number is I or 2; least twice that of the associated runway.
3.5.5 Recommendation.- The width of a runway end
safety area should, wherever practicable, be equal to that of
the graded portion of the associated runway strip.
from the centre line of the runway and its extended centre line
should be so prepared or constructed as to'minimize hazards
arising from d~fferences in load bearing capacity. to aeroplanes
which the enway is intended to serve in the event of an
aeroplane running off the runway.
Objects on rNnway end safety areas
Note.- Guidance on preparation of runway strips is given
in the Aerodrome Design Manual, Part I. Note.- See 9.9 for information regarding. siting of
equipment and installations on runway end safety areas.
3.4.1 7 Recommendation.- That portion of a strip
containing a non-instrument runway within a distance of at
least:
3.5.6 Recommendation.- An object situated on a
runway end safety area which may endanger aeroplanes
should be regarded as an obstacle and should, as far as
- 75 m where the -code number is 3 or 4; practicable, be removed.
Chapter 3 Annex I4 -Aerodromes
Clearing and grading of Location of clearways
runway end safety areas
3.6.1 Recommendation.- The origin of a clearway
3.5.7 Recommendation.- A runway end safety area should be at the end of the take-off run available.
should provide a cleared and graded area for aeroplanes
which the runway is intended to serve in the event of an
aeroplane undershooting or overrunning the runway.
Length of clearways
Note.- The su$ace of the ground in the runway end safety
3.6.2 Recommendation.- The length of a clearway
area does not need to be prepared to the same quality as the
　
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