Marine Order 32 (Cargo handling equipment) - Australian Maritime ...

Schedule 7Requirements for lifting appliances1.6 Restriction of movement of heel blocksWhere a derrick heel block is subject to movement in the vertical plane betweenload and no-load positions, the derrick must not be used unless the block is fittedwith a device constraining that movement consistent with safe operation.1.7 Securing of runnerA runner must not be used in loading or unloading unless the end of the runnerattached to the winch drum:(a) is effectively secured to the drum in a manner that will not damage any partof the runner; and(b) is secured otherwise than by means of fibre rope.Note The method used to secure a runner to a winch should be by shackle or clamp-type socketor similar, any of which should provide a strength equivalent to 50% of that of the runner. Thenumber of complete turns remaining on the drum of the winch when the complete workinglength of rope has been paid out should not be less than:(a)in the case of an ungrooved drum — 3; and(b) in the case of a grooved drum — 2.1.8 Markings required1.8.1 A derrick for use in loading or unloading must be marked with:(a) its safe working load for each operating condition in accordance withsubclause 1.1; and(b) the lowest angle to the horizontal at which the derrick may safely be used,in accordance with subclause 1.1.1.8.2 The marking of the safe working load or loads of a derrick must be:(a) where the derrick is to be used as a single derrick:(i) the letters ‘SWL’ followed by numerals indicating the safe workingload and letters identifying the units of mass in which the safe workingload is expressed; and(ii) where there is more than 1 operating condition, an oblique strokeseparating the units of mass for each such condition.(b) where the derrick is to be used in union purchase rig:(i) the letters ‘SWL(u)’ followed by numerals indicating the safe workingload and letters identifying the units of mass in which the safe workingload is expressed; and(ii) where there is more than 1 operating condition in union purchase rig, anoblique stroke separating the units of mass for each such condition.Note Examples of markings are:(a) ‘SWL xt’, ‘SWL x/yt’ .(b)‘SWL(u) xt’, ‘SWL(u) x/yt’.1.8.3 Markings must be placed on the derrick or on a plate near the heel of the derrickand the letters and numerals must be not less than 77 mm in height, ofproportional breadth and must be of a light colour on a dark background or adark colour on a light background.62 Marine Order 32 (Cargo handling equipment) 2011MO32 modcomp-130604Z.docx