Cargo, Fumigation and Tackle Regulations (SOR/2007-128)

1 A load moment indicator system installed on a category 4 lifting appliance shall

• (a) use the same type of measuring units that the load radius chart uses;

• (b) clearly indicate the measuring units used;

• (c) give a clear and precise indication of

  • (i) the lifting capacity of the appliance,

  • (ii) the total weight suspended,

  • (iii) the elevated angle of the boom, and

  • (iv) the radius of the boom;

• (d) be clearly visible so that an operator seated at the control position can easily read the indications during both day and night conditions;

• (e) be resistant to magnetic influence, weather, shock and vibration;

• (f) have a visual system that

  • (i) warns the operator when 85% of the appliance’s SWL has been reached, and

  • (ii) does not create an operational hazard; and

• (g) have a visual and audible system in the interior of the cab and an exterior audible system that

  • (i) warns the operator when 98% of the appliance’s SWL has been reached,

  • (ii) does not create an operational hazard, and

  • (iii) in the case of the audible signal, is identifiable by the operator despite ambient and machinery noise.

2 A load moment indicator system that is installed on a category 4 lifting appliance on a Canadian vessel that is not a restricted vessel shall

• (a) give a clear and precise indication of the angles of heel and trim and of the reduced lifting capacity for those angles;

• (b) be clearly visible so that an operator seated at the control position can easily read the indication during both day and night conditions;

• (c) have an automatic emergency braking system that prevents freefall of the load without jolting in the event of overload; and

• (d) have a manual control to bypass the automatic emergency braking system that is accessible to an operator seated at the control position and is protected against accidental operation.