10.8.1 Installation of the Equipment

The overall stability and safety of a jib crane depends on its foundations or supports. In cases where the jib is attached to an existing structure (wall or column mounted), it is important that the superimposed forces are assessed by a qualified engineer and written approval obtained. Similarly, a free standing jib crane is only safe when rigidly mounted onto the correct foundation capable of resisting the overturning moment of the jib and a suitably qualified person should be consulted. (See 10.5.2 Selection of Jib Crane)

In the case of a jib crane which is to be clamped to an upright structural member, such as a column, using clip or strap type clamps, care must be taken to prevent the clamp fixings, and therefore the crane, from slipping down the column. Suitable positive stops should be fitted to the column directly below the fixings or similar steps taken.

When erecting the trolley onto the jib arm, ensure it is correctly adjusted for the width of beam. (See SECTION 8 for guidance on trolleys) If it is run on at the end of the track, ensure all bolts are replaced correctly and be sure to replace the end stops.

The erection of the lifting appliance and, where applicable, the power feed system, should be carried out in accordance with the manufacturers instructions. See x-svn:///svn/leea/dita/xml/topics/TOP_00000000/TOP_00000048.html for guidance on hand chain hoists and x-svn:///svn/leea/dita/xml/topics/TOP_00000000/TOP_00000157.html for guidance on power operated hoists.

On completion of erection, the structure should be checked to ensure all bolts and fixings are correctly in place and tightened. Any pre-service checks necessary for the power feed system and lifting appliance should also be completed in accordance with the relevant sections of this code. Ensure the jib arm slews freely but has no tendency to move on its own. Ensure any slewing stops and track end stops are correctly positioned.