15.1.1 Arrangements
                                 are to be made to isolate the ship from the supply of feedstock for
                                 processing, the supply of fuel oil or gas to boilers, heaters, etc.
                                 and the return flow of product, chemicals or process effluent, blow-down
                                 or flare gas, etc.
                              
                              
                              
                            
                           
                           
                           
                              
                              
                              15.1.2 The
                                 arrangements are to provide for valves installed at the shore connection,
                                 where applicable, and on board ship which are to be operable from
                                 shut-off control and indicating stations on the ship, on the shore,
                                 and at the valves.