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Effects of other ships and berths - Chemical tanker procedure

Tugs and other craft alongside chemical tankers
The number of craft which come alongside and the duration of their stay should be kept to a minimum. Subject also to port authority regulations, only authorised craft having the permission of the responsible officer, and where applicable the terminal representative, should be permitted to come alongside or remain alongside a chemical tanker while it is engaged in cargo operations.

If an unauthorised craft comes alongside or operates in an area which may create a danger, it should be reported to the port authority and, if necessary, cargo transfer operations should cease.

The responsible officer should instruct personnel manning any craft alongside that the same safety regulations that apply on the chemical tanker must be observed on the craft. In the event of a breach of the regulations operations should be stopped, and should not be restarted until the situation has been made safe.


Chemical tanker precautions at berth

Fig:Chemical tanker general safety precautions at berth


Other tankers at adjacent berths

Even when no cargo operations are being undertaken while at a terminal, dangerous concentrations of cargo vapour may be encountered if cargo or ballast handling, inerting, tank cleaning or gas freeing operations are being conducted by another tanker at an adjacent berth. In such circumstances appropriate precautions should be taken.


Chemical tanker operations at general cargo berths

Where chemical tanker operations need to be conducted at general cargo berths it is unlikely that personnel on such berths will be familiar with the full range of safety requirements relating to possible sources of ignition, or that cranes or other equipment will comply with the requirements for the design and installation of electrical equipment in hazardous areas.

The master may therefore have to insist on precautions additional to those set out in this chapter. Such precautions could include restricted vehicular access, removable barriers, additional fire fighting equipment and control of sources of ignition, together with restrictions on the movement of goods and operation of cargo handling equipment.

Local national or port regulations may require additional notices, and such requirements should be observed.





Related info:

Emergency towing off wires and access to ship requirements

Mooring precautions for chemical tankers at berth

Assessing wind & weather conditions

Restriction on using radio equipments and other mobile devices in cargo working areas




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