美国船级社标准ABS RCN 2 NOTICE NO. 2 – July 2008 RULES FOR BUILDING AND CLASSING steel vessels.pdfVIP

RULES FOR BUILDING AND CLASSING STEEL VESSELS 2008 NOTICE NO. 2 – July 2008 The following Rule Changes were approved by the ABS Rules Committee on 3 June 2008 and become EFFECTIVE AS OF 1 JULY 2008. (See /rules/downloads.html for the consolidated version of the 2008 Steel Vessel Rules, with all Notices and Corrigenda incorporated.) Notes - The date in the parentheses means the date that the Rule becomes effective for new construction based on the contract date for construction, unless otherwise noted. (See 1-1-4/3.3.) PART 3 HULL CONSTRUCTION AND EQUIPMENT CHAPTER 7 TESTING, TRIALS AND SURVEYS DURING CONSTRUCTION – HULL SECTION 2 TRIALS (Revise Subsection 3-7-2/1, as follows.) 1 Anchor Windlass Trials (1 July 2008) Each windlass is to be tested under working conditions after installation onboard to demonstrate satisfactory operation. Each unit is to be independently tested for braking, clutch functioning, lowering and hoisting of chain cable and anchor, proper riding of the chain over the chain lifter, proper transit of the chain through the hawse pipe and the chain pipe, and effecting proper stowage of the chain and the anchor. It is to be confirmed that anchors properly seat in the stored position and that chain stoppers function as designed if fitted. The mean hoisting speed, as specified in 4-5-1/5.1.4, is to be measured and verified, with each anchor and at least 82.5 m (45 fathoms) length of chain submerged and hanging free. The braking capacity is to be tested by intermittently paying out and holding the chain cable by means of the application of the brake. Where the available water depth is insufficient, the pro