1、 GUIDE FOR BUILDING AND CLASSING DRILLSHIPS AUGUST 2011 NOTICE NO. 2 July 2017 The following Rule Change was approved by the ABS Rules Committee on 30 May 2017 and becomes EFFECTIVE AS OF 1 JULY 2017. (See http:/www.eagle.org for the consolidated version of the Guide for Building and Classing Drills
2、hips, 2011 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 of the ABS Rules for Conditions of Classification Offs
3、hore Units and Structures (Part 1).) SECTION 4 INITIAL SCANTLING EVALUATION 3 Hull Girder Strength 3.1 Hull Girder Section Modulus (Revise Subparagraph 4/3.1.1, as follows:) 3.1.1 Hull Girder Section Modulus Amidships (1 July 2017) The required hull girder section modulus 0.4L amidships is to be calculated in accordance with 4/3.3, 4/3.5 and 4/3.7. For determination of initial net structural scantlings, the net hull girder section modulus amidships, SMn, is to be calculated in accordance with 4/3.1.2 below. ABSGUIDE FOR BUILDING AND CLASSING DRILLSHIPS .2011 1