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散货船首仓排水阀故障解析
来源:www.xindemarinenews.com 编辑:编辑部 发布:2025/12/17 09:05:57
美国船级社(ABS)近期发布通告,针对散货船首楼区域排水系统手动吸入阀(dewatering system manually operated suction valves)的合规性问题发出明确警示。通告显示,ABS在近期检查中发现两艘分属不同船东/管理公司的散货船,均存在手动吸入阀关闭或设置操作限制缺陷。
1st Case: The suction valve was found in the closed position with a warning sign instructing the crew tokeep it closed while in port to avoid accidental discharges.
案例一:吸入阀处于关闭状态,且附有警示标识,明确要求船员在港期间保持阀门关闭,以防发生意外排放
• 2nd Case: A label above the dewatering valve stated: “DO NOT OPEN WITHOUT CHIEF OFFICER’SPERMISSION”.
案例二:排水阀上方的标识显示:“未经大副许可,严禁开启”。
公约要求(散货船)
SOLAS公约第十二章第13.1条结合MSC/Circ.1069通函及IACS UI SC179修订版3号文件规定:
S74/CXII/R13: Refer to the Interpretation of SOLAS regulation XII/13 (MSC/Circ.1069).(This regulation applies to bulk carriers regardless of their date of construction)
1 On bulk carriers, the means for draining and pumping ballast tanks forward of the collision bulkhead and bilges of dry spaces any part of which extends forward of the foremost cargo hold shall be capable of being brought into operation from a readily accessible enclosed space, the location of which is accessible from the navigation bridge or propulsion machinery control position without traversing exposed freeboard or superstructure decks. Where pipes serving such tanks or bilges pierce the collision bulkhead, valve operation by means of remotely operated actuators may be accepted, as an alternative to the valve control specified in regulation II-1/12, provided that the location of such valve controls complies with this regulation.
2 Bulk carriers constructed before 1 July 2004 shall comply with the requirements of this regulation not later than the date of the first intermediate or renewal survey of the ship to be carried out after 1 July 2004, but, in no case, later than 1 July 2007.
对于散货船,碰撞舱壁前方压载舱的排水和泵送装置,以及任何部分延伸至最前货舱前方的干货舱舱底水排水和泵送装置,均应能从一个易于到达的封闭空间启动操作。该封闭空间的位置应满足:从驾驶台或推进机械控制位置可直接到达,无需穿越露天干舷甲板或上层建筑甲板。若为上述压载舱或舱底水服务的管道穿透碰撞舱壁,则可采用遥控执行器操作阀门,作为第 II-1/12 条规则规定的阀门控制方式的替代方案,但此类阀门控制装置的安装位置必须符合本规则要求。