This standard specifies the classification and structure, general requirements, special requirements, sample hoses for identification, inspection rules, marking and packaging, storage and transportation of rubber hoses for oil drainage and suction at offshore moorings. This standard is applicable to crude oil or liquid petroleum products with an ambient temperature between -29 °C and 52 °C, transporting -20 °C to 82 °C and aromatic hydrocarbon content not exceeding 50% on the seabed or water surface, at -0.085 MPa to 1.5 MPa Rubber hoses that work under internal pressure. This standard applies to rubber hoses with an inner diameter of 400 mm or less and continuous oil delivery operations at a flow rate of no more than 21 m/s, and rubber hoses with an inner diameter of 400 mm or more and a flow rate of no more than 15 m/s. This standard does not apply to rubber hoses for transporting liquefied petroleum gas and natural gas.