Service system

A service system for at least one docking position for a craft, which requires the supply of various utilities, and the discharge of waste, said system comprising a plurality of service boxes (3) lowered into the ground in the docking position, which each comprise a casing (9) forming the side walls (27) and the bottom (29) of the box, and a cover (10) forming the top of the service box (10), said service boxes each accommodating a connecting device (26-21) for connecting an underground supply or discharge conduit (4, 5) opening into the service box and connected to a utility source (8) and a waste receiver (8), respectively, to a corresponding inlet and outlet, respectively, of the craft, characterised in that at least one of said service boxes (3) comprises a cassette (15) accommodated in said casing (9) and liftable up from said casing when the cover (10) is removed, the connecting device (21-26) of said service box and the associated equipment, if any, being mounted in said cassette.