Document ID: chunk:federal_register_of_legislation:F2023L01541:body:0:p17
Version: federal_register_of_legislation:F2023L01541
Segment Type: other
Provision Reference: 
Character Range: 40210–42969

tubes for measuring the liquid level in the tank, as an equivalent to the requirements in paragraphs (2)(f) and (g).

1.7 Conduct of inclining experiment — results

Definitions
      (1) For this clause:
w means weight.
d means distance.
x means pendulum deflection.
GM means the initial transverse metacentric height when one or more tank is slack, commonly known as the metacentric height.

Additional procedures
      (2) In addition to the requirements of section 4.3 of Annex 1 to the IS Code, the following procedures must be applied to the results of the inclining experiment:
(a) for each pendulum, the ratio of applied heeling moment to the pendulum deflection (w.d/x) must be calculated and recorded;
(b) if any individual w.d/x value deviates by more than 5% from the average ratio for that pendulum, the following must be checked and rectified, if possible and appropriate:
 (i) that the vessel is still clear of the berth and that the moorings are still slack;
 (ii) the pendulum readings, making sure that the pendulums are free to swing;
 (iii) the value of the weight last moved and the distance through which it was moved;
 (iv) that nothing aboard the vessel has moved due to heeling;
 (v) that the vessel is not aground.
Note   A running average w.d/x ratio computed during the conduct of the inclining experiment is often a good early indicator that there is a problem.
      (3) An inclining experiment must be discontinued if it is found that:
(a) the pendulum readings of the vessel in the upright position are erratic; or
(b) the pendulum deflexions are greater than expected; or
(c) there is an inconsistency in the values of the pendulum deflexions for equal weight movements in opposite directions; or
(d) the vessel appears to have an unexplained initial list that cannot be corrected.
      (4) If an inclining experiment is discontinued for any of these reasons, AMSA must be notified as soon as practicable.
      (5) If none of the circumstances mentioned in subclause (3) exist, and the reason for a w.d/x ratio deviation cannot be identified:
(a) w.d/x ratios must be converted into values of measured GM; and
(b) the as-inclined GM value for the vessel is the lower bound of a 95% confidence interval of the Normal statistical distribution of those measured GM values.

Schedule 2 Accommodation ladders, gangways and safety nets
(paragraph 23(1)(d), subsection 23(2))

1.1 Accommodation ladders
      (1) An accommodation ladder:
(a) may be single‑flight, multi‑flight or telescopic; and
(b) if it is multi‑flight — must have any intermediate platforms self‑levelling and supported so that it remains horizontal in use; and
(c) if it is telescopic — must have the means to allow the ladder sections to be locked together to