ABS

PACIFIC DIVISION 438B ALEXANDRA ROAD, #06-05, BLK B ALEXANDRA TECHNOPARK, SINGAPORE 119968 TEL: 65-6276-8700 FAX: 65-6272 2195 (SED) 65-6276 8130 (ESD) EMAIL: ABSSingapore@eagle.org WEB: www.eagle.org CO. UEN: S58FC1284D Pg 1 of 2 MARINE EQUIPMENTS PTE LTD Refer to : RV / AN / 455662 NO: 9, TRACTOR ROAD, Class No: YY189931/32 & YY201867/68 SINGAPORE, Oracle : 2146055 627970. 21 May 2009 JINGJIANG NANYANG SHIPBUILDING CO., LTD Hull Nos : POET1332, POET1333, POET1367, POET1368 Hydraulic Anchor Windlass Rule req. Duty Pull: 91,960 N Rule req. Anchor Chain Size: 44 mm Dia. Grade-3 Anchor Chain size provided : 46 mm Dia. Grade-3 Your O2E client interface submission CR189754 dated 21 April 2009. Gentlemen: We have above referenced transmittal submitting electronic copies of each of the plan as listed therein on the above subject and with regard thereto have to advise that provided the details and arrangements as amended be adhered to, the work is to the satisfaction of the Surveyors, and the Rules in other respects are compiled with, the same will be approved, in association with the attached comments. The subject drawings have been reviewed in accordance with the following: - ABS Rules for Building and Classing Steel Vessel (Under 90m), 2006 as amended. The subject review is limited to the anchor windlass only. We understand that a suitable chain stopper is fitted and the same is to be verified to the satisfaction of the attending Surveyor. Please respond to the comment M-032, M-036 and M-037 by 6 th June 2009. Comments M-033 to M-035 are to be complied to and verified to the satisfaction of the attending Surveyor. Electronic copy of the plan approved with amendments is being returned herewith. An invoice covering the cost of the review will be forwarded separately. Please contact Mr. Andrew Tan at (65) 6371-2710 should you require any clarifications on the subject review. Very truly yours, Andrew Mak Director of Engineering by:________________________________ Matthew D. Tremblay Manager cc: ABS SG ESD File w/p Ship/Offshore Engineering Systems cc: ABS SG Surveyor w/p JINGJIANG NANYANG SHIPBUILDING CO., LTD Electronically published by ABS Singapore. Reference 455662, dated 21-MAY-2009. PACIFIC DIVISION 438B ALEXANDRA ROAD, #06-05, BLK B ALEXANDRA TECHNOPARK, SINGAPORE 119968 TEL: 65-6276-8700 FAX: 65-6272 2195 (SED) 65-6276 8130 (ESD) EMAIL: ABSSingapore@eagle.org WEB: www.eagle.org CO. UEN: S58FC1284D Pg 2 of 2 Refer to : RV/ AN / 455662 21 May 2009 Drawing List Submitter: MARINE EQUIPMENTS PTE LTD Drawing No Revision No Drawing Title 1 0 drawings and calculations Comments List Thread No Comment Text Facilities Action M-032 1 - drawings and calculations POET1332[Open], POET1368[Open], POET1333[Open], POET1367[Open] Technical The pressure rating for all the hydraulic valves, fittings, joints etc on the hydraulic pump discharge side are to be suitably rated to system design pressure of 210 Bar. We note no details indicated in your submission resolving the same. Please resolve. See ABS Steel Vessel Rules (Under 90 m), 4-4-6 /1 . M-033 1 - drawings and calculations POET1332[Open], POET1368[Open], POET1333[Open], POET1367[Open] Surveyor The hydraulic lines are to be pressure tested to 1 .5 times the design pressure (relief valve set Pressure) & not the working pressure as indicated in your submission. Compliance to the same is to be verified to the satisfaction of the attending Surveyor. See ABS Steel Vessel Rules (under 90m), 4-4-2/3.9. M-034 1 - drawings and calculations POET1332[Open], POET1368[Open], POET1333[Open], POET1367[Open] Surveyor The level gauge glass is to be of the flat glass type and fitted with self closing valves at both ends and is to be adequately protected from mechanical damage. Compliance to the same is not indicated in your submission. Compliance is to be verified to the satisfaction of the attending Surveyor. See ABS Steel Vessel Rules (Under 90 m), 4-4-3 / 13.5. M-035 1 - drawings and calculations POET1332[Open], POET1368[Open], POET1333[Open], POET1367[Open] Surveyor We note from your submission that pressure gauges are fitted in the piping system. In this regard isolation valves are to be provided so that devices can be isolated and removed without impairing the integrity of the pressurized system. Compliance to the same is to be verified to the satisfaction of the attending surveyor. See ABS Steel Vessel Rules (Under 90m),4-4-1 /9.17.2. M-036 1 - drawings and calculations POET1332[Open], POET1368[Open], POET1333[Open], POET1367[Open] Technical Please make available a copy of the Mill certificate confirming that the yield strength value for shaft material AISI 4140 is not less than 500N/mm2. See ABS Steel Vessel Rules 4-5-1 /5.1 .1 . M-037 1 - drawings and calculations POET1332[Open], POET1368[Open], POET1333[Open], POET1367[Open] Technical We note form your submission that the hand wheel force exceeds the permissible value of 160 N (allowable force for a person to operate the hand wheel). Please resolve & submit calculation to demonstrate that the hand wheel force is within permissible limits. Electronically published by ABS Singapore. Reference 455662, dated 21-MAY-2009.