The vessel’s chain lockers will be self-stowing and each one able to take the chains of dia. according to Class requirements + 2 mm (see section 431). The chain lockers to have steel bulkheads and to be equipped with a perforated bottom and bilge suction line. The chain to be fastened by a quick acting pin and inspection covers to be arranged from the storeroom. Chain lockers to have a sounding pipe. Bilge suction via hand pump.