dac-req-06

DUBAI ACCREDITATION DEPARTMENT – DUBAI MUNICIPALITY• Crane cabin is in a tidy condition and free from grease and oil, rags, toolsand materials other than those for which storage provision is made.• Pneumatic systems and hydraulic systems including their safety devices.• Operation of the crane through all motions with particular attention tobrakes.• Operation of all limit switches or cut-outs and safety devices. Cautionto be exercised in making the checks in the event of non-operation.• Where telephone or radio communications are being used, the callingsignal is functioning and any messages may be clearly heard.• fire extinguishers are in place and satisfactory for use.It is normally not necessary, unless there is some noise or other indication, toremove covers or open gearboxes while undertaking a ‘Thorough Inspection’1.18 Periodic inspectionsThis means an inspection based on the working environment, the frequencyand severity of use of the lifting equipment and in no circumstances shall theinspection interval exceed 12 months.The inspections shall include all items specified by the manufacturer forannual inspection together with all routine inspection items.If the manufacturer’s recommendations are not available a competent personmust specify, in writing, all the items/components to be inspected togetherwith the acceptance/rejection criteria, which must be applied by the Inspector.NOTE 1: The 12 month inspection period is based on a normal working dayof up to 8 hrs and a 5/6-day working week (2400 hours). When usage of thelifting equipment exceeds these figures a competent person must specifyexactly, in writing, what the period of these inspections is.NOTE 2: As the result of a periodic inspection, a competent person mayrecommend a major inspection.1.19 Major inspectionThe following cranes shall be subjected to a major inspection to assess theirsuitability for continued safe operation:(a) Cranes that have reached the end of their design life or, where this isunknown, after 25 years for the structure and 10 years for the mechanicalcomponents.NOTES:1. A crane’s design life may not be the same as its actual life and dependson such factors as its classification, usage and its operating environment.This is an official document of DAC; The Printed copy of this document shall be treated as ‘Uncontrolled’. Always referto the controlled version Online.8 of 25 DAC-Req-06 Issue. 2, Rev. 2 January 2009