Section 4 Hull Equipment

401. General

Hull equipment is to be in accordance with this section in addition to the requirements of Ch 3, Sec 3.

402. Lifting Appliances on Deck and Supports for Oil Recovery Equipment

Lifting appliances such as masts and cranes intended to be used during oil recovery operations are to be designed and constructed to the applicable requirements of Pt 9, Ch 2 of Rules for the Classification of Steel Ships in addition to the following:

(1) The dynamic loads due to the vessel’s motions are to be considered.

(2) The scantlings of the supporting structures for lifting appliances are to comply with Ch 6, 402.

(3) The calculations for the strength of the supporting structures of lifting appliances for oil recov- ery equipment may be carried out assuming the oil recovery operations are being conducted in moderate sea conditions.