ED Decision 2014/013/R
(a) The safety objective of longitudinal runway strip slope is to define maximum gradient values that should not interfere with the safe use of the runway strip by an aircraft.
(b) A longitudinal slope along that portion of a strip to be graded should not exceed:
(1) 1.5 % where the code number is 4;
(2) 1.75 % where the code number is 3; and
(3) 2 % where the code number is 1 or 2.
(c) Longitudinal 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 should be avoided.
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