1 Drip pans for collecting cargo residues in cargo lines and hoses should be provided in the area of pipe and hose connections under the manifold area.
2 Cargo hoses and tank washing hoses should have electrical continuity over their entire lengths including couplings and flanges (except shore connections) and should be earthed for removal of electrostatic charges.
All tankers means any tanker, of any deadweight, fitted with a crude oil washing system, irrespective of its age.
Closed ullage system means a system which allows cargo measurement without breading the integrity of the tank.