The following arrangements may be accepted as meeting the requirement for a "closed devices", as required by regulation 3.9, provided that:
1 cargo tanks are fitted with a permanently installed deck mounted valve with gas-tight
connections so designed as to ensure that inadvertent release of tank contents doers not
occur;
2 a sufficient number of portable gauging units are provided to ensure that they can be
fitted to each cargo tank involved in simultaneous transfer operations, plus two spare
units;
3 when fitted to or removed from the tank, the portable gauging unit and the deck
arrangement prevent the tank contents from being released;
4 portable gauging units remain in place throughout the period during which cargo
transfer operations are being carried out; and
5 in ships having central cargo control rooms with existing instrumentation providing
remote measurements , the portable gauging unit is capable of transmitting an
appropriate signal to the control room.
Versie informatie document
Publicatie op Netherlands Regulatory Framework (NeRF) – Maritime:
Huidige versie: 1
Datum beschikbaarheid huidige versie: 02-06-2006 (vanaf dit moment beschikbaar op Netherlands Regulatory Framework (NeRF) – Maritime)
Datum document: