However Hatch Covers: Operation, Testing and Maintenance … Testing the watertight/weathertight integrity of these Hatch Covers is thus an imperative part of Ship maintenance, to ensure the safety of vessel, crew and cargo. The deck hatch is an opening in a wall or deck at window height for the purpose of serving food, transporting oil, maintenance access or other applications, normally it is small in size; while the cargo hatch cover is normally used on bulk carrier for the container accessing, it is large in size. It is crucial for safety at sea and protection of the environment to maintain hatch cover water tightness and strength. 2. NNPC - A Master’s Guide To Hatch Cover Maintenance 20xx (32 Pages) 5. Cargo damage caused by leaking hatch covers. The incident The bulk carrier had seven cargo holds which had been fully loaded with soybeans. The guide deals with hatch cover design principles, operation, maintenance and safety. Existing ships will not be required to replace or reinforce their hatchcovers forward of 0.25L. For six days, the vessel encountered heavy weather at Beaufort scale 9 which caused the vessel to pitch and roll heavily. SGS hatch inspections provide evidence that the condition of the hatch covers does not pose a threat to the cargo. IMO - Guidelines For Bulk Carrier Hatch Cover Surveys and Owner's Inspections And Maintenance … 10.5.1 Regulation on Hatch Cover of Bulk Carriers. After the casualty, Investigation Committee was launched in UK and the cause of casualty was inquired. ... Master of bulk carrier UNISON MEDAL was reportedly, hit by broken mooring line and died on the spot, in the morning Sep 10 at Ilo Port, Peru. The cargo hatch covers were washed over by seawater. Following engine failure in heavy weather, the forward cargo hold was apparently flooded through a collapsed/unsecured hatch cover. • up to 18,000 TEU for Mega Container Ships. 3. The British Cape size bulk carrier, Derbyshire, sank and lost in Typhoon near Okinawa in August 1880, and 44 crew died. Please see the Appendix 2 and 3 for checklists on hatch maintenance and PMS. General Bulk Carrier Types: Illustration Description; Basic bulk carriers are equipped with a series of holds (from 5 for a 35,000 ton vessel to 9 for a 250,000 ton vessel) covered by prominent hatch covers. Maintenance records of hatch covers are therefore important evidence and can assist in defending wet cargo claims. A further object of the invention is to provide an automatic hatch closure system for a mobile pneumatic bulk carrier wherein the hatch cover may be remotely controlled to provide unobstructed loading of the carrier reservoir and shifted to a securely closed and locked condition for transportation, delivery and maintenance. Leaking hatch covers can lead to flooding, cargo damage, accelerated corrosion or even loss of ship and potentially human life. Hatch cover strengthening on existing bulk carriers. The bulk carrier had 7 cargo holds which had been fully loaded with soybeans. DNV - Managing Risk - Hatch Cover Maintenance 2010 (2 Pages) 6. All Hatch Cover Types - "New Design & Supply - Hatch Cover Aftersales Service Support 24x7 & Spares Parts Support" • New Hatch Cover System for SHIPS from 4K DWT to 400K DWT BULK CARRIER. The Committee, at its seventy-seventh session (28 May to 6 June 2003), having considered a recommendation made by the Sub-Committee on Ship Design and Equipment at its forty-sixth session, approved the Guidelines for bulk carrier hatch cover maintenance and surveys set … Improper ship’s hatch cover seals and securing arrangements account for a high percentage of cargo defects and rejections. One such casualty was the bulk carrier Christopher, which sank 150 nm off the Azores in December 2001 with the loss of 27 lives. Both types are well suited to act as weatherdeck covers for dry bulk carrier and, when designed to sustain internal liquid loads, also for OBO and Ore/Oil ships. Hatch Cover Maintenance by Macgregor. A dry cargo ship is a type of container or bulk carrier having several cargo holds or spaces where it can accommodate the cargo to be transported. 2 Maintenance of hatch covers and hatch opening, closing, securing and sealing systems 2.1 Lack of weathertightness may be attributed to: .1 normal wear and tear of the hatch cover system: deformation of the hatch coaming 3.6 Where a range of cargoes carried requires different gasket materials, a selection of gasket materials of the correct specification should be carried aboard, in addition to other spares. Appendices are included which provide checklists for routine onboard inspections, notes on recent IACS contributions to hatch cover design and operation, and a glossary of terms. The Portascanner ® WATERTIGHT is used onboard bulk carriers for inspecting the Watertight or Weathertight hatch cover for leak sites. Appendix 1: Resolution MSC.169(79) Standards for Owners ‘Inspection and Maintenance of Bulk Carrier Hatch covers. Hatch cover components: To obtain the required safety margins and to guarantee a trouble-free operational lifetime, the hatch cover system has to be maintained as instructed, and critical spare part components, such as the hatch cover bearing pads, have to be of original design. Index. The Swedish P&I Club has described the case of cargo damage on a bulk carrier caused by water ingress, as a result of the poor condition of hatch covers. Title: A Master's Guide to Hatch Cover MaintenanceNumber of Volumes: 1Number of Pages: 25Product Code: 4400w124ISBN: ISBN 13: 978-1-85609-232-6 (9781856092326)ISBN 10: 1-85609-232-1 (1856092321)Published Date: June 2002Binding Format: PaperbackBook Height: 230 mm *** 10 Sep 2019, Withdrawn with no replacement. Bulk Carrier Hatch Cover. Hatch Cover Maintenance. Side-rolling covers open sideways and end-rolling covers lengthwise. the collapse of hatch cover steel structures or failure of securing and locking devices. March 18, 2016. The vessel had side rolling cargo hatch covers. They have on-board cranes which allow them to discharge cargo in ports without shore-based cranes. Introduction. General Bulk Carrier Types: Illustration Description Geared bulk carriers are typically in the handysize to handymax size range although there are a small number of geared panamax vessels, like all bulk carriers they feature a series of holds covered by prominent hatch covers. Ship owners will be made aware of the need for maintenance and inspection for closing mechanisms. Redesign of hatch covers & closing mechanisms. Find out testing and maintenance of cargo hold/hatch cover inside the article. Hatch cover maintenance plans should form part of a ships safety management system as referred to in the ISM Code. The Maritime Safety Committee issued the MSC/Circ.1071 to provide Guidelines for bulk carrier hatch cover surveys and owner's inspections and maintenance. They have cranes, derricks or conveyors that allow them to load or discharge cargo in ports without shore-based equipment. DEAR READER, It is a pleasure to welcome you to this new issue of BULK CARRIER … These Standards define requirements for the owners™ inspection and maintenance of cargo hatch covers on board bulk carriers. Example Description of Hatch Covers Guidelines for bulk carrier hatch cover surveys and owners. Not a Member? The Maritime Safety Committee issued the MSC/Circ.1071 to provide Guidelines for bulk carrier hatch cover surveys and owner’s inspections and maintenance. The aim to increase the Strength of the hatch cover (strengthening approach), where (while maintain the same weight) The composite hatch cover can be designed to sustain more loads than the steel cover; providing more safety for the ship and its cargo (Kunal et al., 2010); especially for bulk carriers where the hatch cover is You need to login to view this content. The magnetic generator can be positioned just inside the hold, on the hatch coaming, removing the need to climb down to position the generator at the bottom of the hold on the tank top. The UK P&I Club’s Loss Prevention Department, in conjunction with the IMCS Training Academy, advises on the importance of hatch cover maintenance: Whether a ship’s hatch covers are weathertight is a seemingly simple question that should have a “Yes” or “No” answer. EDITORIAL. All cargo holds in such ships are provided with a strong built lid which is known as hatch cover. - Rolling hatch covers – Rolling covers are divided into two main types considering opening direction. The vessel had side rolling cargo hatch covers. 3 Maintenance of hatch covers and hatch open ing, closing, securing and sealing systems . Regrettably, however, some owners limit hatch cover attention to replacing the gaskets when worn out, and miss out on many of the finer points of hatch cover maintenance. Join Us. The IMO has implemented a standard scope of inspection and maintenance so that bulk carrier hatch covers will be taken care of by owners and operators. Appendix 2: Table Showing Comparison of Ultrasound Equipment. UK P&I - Risk Focus: Hatch Covers 2017 (24 Pages) 4. It is our aim here to explain the key issues of hatch cover security and to achieve pro-active maintenance. Morten Løvstad DNV GL Business Director Bulk Carriers morten.lovstad@dnvgl.com. Please Login. 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