(1)
Vehicle guardrails shall be designed for a concentrated load of 22 kN applied horizontally outward at any point 500 mm above the floor surface so as to produce the most critical effect. (See Note A-4.1.5.14. and A-4.1.5.15.(1))
(2)
The loads required in Sentence (1) need not be considered to act simultaneously with the loads provided for in Article 4.1.5.14.