meet all of the requirements in this standard for steps, and each step shall be supplied with all parts necessary to install the step in the ladder.

　

4.16　Each pilot ladder shall be capable of being rolled up for storage. Each ladder shall be capable of unrolling freely and hanging vertically.

　

4.17　The four lowest steps of the ladder shall be made of resilient synthetic or rubber material. The rest of the ladder steps shall be either wood or synthetic material.

　

4.18　Each pilot ladder with more than 5 steps shall have one or more spreader steps at the positions indicated in Table 1.

　

4.19　Each spreader step shall meet the requirements for other ladder steps, except each spreader step shall be at least 1.8 m long. See Figure 4.

　

Table 1 - Number of steps and relative positions of spreaders

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