Agenda Bulk Cargo Practice Briefing IMSBC Code with
Agenda ØBulk Cargo Practice Briefing ØIMSBC Code with Cargo Which May Liquefy 2020/11/27 2
Bulk Carrier Practice 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Charter Parties & Cargo Documents Maintenance and Care of hatch covers Preparation and Maintenance of holds Ballast Management Bulk Cargo Safety Draft Survey Bulk Cargo Discharging Bulk Cargo Voyage Carriage of Typical Bulk Cargoes IMSBC Code with Cargo Which May Liquefy 2020/11/27 3
Deck cargo毀損免責 2020/11/27 6
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3. Preparation and Maintenance of holds l Hospital clean, or ‘stringent’ cleanliness l Grain clean, or high cleanliness. (cargo residues; lashing materials; loose paint or rust scale must be removed. The holds must be dried after washing ventilated to ensure that it is odour-free Paint and gas-free) Normal clean l Shovel clean l Load on top l 2020/11/27 10
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3 -1 Master’s aware of Holds cleaning l l l Make sure that he is aware of the extent of the required hold cleaning. 注意清艙要求。 Ensure that correct equipment and materials are available onboard. 確認船上清艙設備。 Advise charterers of the hold cleaning schedule and progress. 告知租方備艙進程。 Keep records of hold cleaning progress (weather and work logs). 記錄清艙過程。 Consider sending photographs of the cleaned holds to the charterers and owners on completion or where difficulties arise. 提供貨艙清潔狀況或遭遇之困難。(不可盲目 配合船期不當趕 加班,忽略人員/航行安全) 2020/11/27 12
3 -2 Holds Washing Down l Use of Chemicals and Clean agent l Lime-washing (mixture, application, lime coating removal) l Hold block l Freshwater rinse l Disposal of bulk cargo residues l Washings containing hold cleaning chemicals 2020/11/27 13
洗艙情形 2020/11/27 14
驗艙裝貨 2020/11/27 17
Hatch Cover Types l Mechanically operated steel covers, of a folding, sliding, rolling or pontoon type, fitted with (usually rubber) gaskets and cleats/clamps 2020/11/27 18
Hatch Cover components Hatch Coaming Hatch Cover Hatchcover Packing 2020/11/27 Hatch Support Compression Bar 19
Water Ingress Most likely water ingress of water via hatch cover and cross joint seals l Common causes relate to l • • • corrosion deterioration in the condition of the gaskets lack of effective maintenance 2020/11/27 20
Hatch Cover Testing In order to ensure that the cargo is effectively protected from the ingress of water, all the vessel’s hatch covers need to be tested to verify their weathertight integrity l The three most common tests are l l Chalk test l Hose test l Ultrasonic test 2020/11/27 21
Hose Testing & Ultrasonic Testing 2020/11/27 22
Ultrasonic Testing Potential Leaks Cargo Hold Ultrasound Transmitter Double Bottom 2020/11/27 23
Use of Tape and Foam 2020/11/27 24
裝水泥Loader 2020/11/27 26
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原木裝載 2020/11/27 30
Measurement of bulk cargoes l l l Measurement and stowage factor Draught surveys A draught or displacement survey Determination of weight ashore (Mechanical weighing; Fixed and mobile bag weigher; Automatic bulk silo weighers; Automatic load cell gross weighers; Vibratory feed high speed net weighers; Conveyor belt weigh systems) Weighbridges 2020/11/27 32
8. Bulk Cargo During Voyage Watertight integrity水密 Adequate surface ventilation充分通風 Sweet damage濕損 Gas / Temp. monitoring (heating damage)熱損 Bilge well drainage, pumping, report and report量測 Cargo hold bilge PH value sampling汙水井量測 Cargo secured checking and re-lashing再綁固 Permission of Entry Into Enclose Space. 進入密閉空間 Adjusted ballast to maintain proper Stability/Trim穩性 及吃水差 l Fumigation in transit (Timber, Grain…etc. )航行薰艙 l Venting any gases prior to open hatch covers開艙通封 l l l l l 2020/11/27 35
Cargo wet damage 2020/11/27 36
Q&A Launching 2020/11/27 41
IMSBC Code categorizes cargoes into three groups - A, B and C: Group A: consist of the cargoes which may liquefy if shipped with moisture content in excess of their transportable moisture limit. l Group B: consists of cargoes which possess a chemical hazard which could give rise to a dangerous situation on a ship. l Group C: consists of cargoes which are not liable to liquefy (Group A) and do not possess chemical hazards (Group B). l Some of cargo listed into Group A and B l 2020/11/27 42
可液化貨物圓盒測試(Can Test) 2020/11/27 50
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Nickel Ore loading 2020/11/27 57
Group A - cargoes that my liquefy l l l l l Calcined Cement Copper Coal and coal slurry Coke breeze Copper concentrate Fish in bulk Fluorspar Ilmenite clay Iron concentrate Iron ore Lead and zinc calcines/middlings Lead concentrate Lead ore residue/concentrate Lead silver concentrate/ore Lead sulphide Magnetite and magnetite-taconite Manganese concentrate Metal sulphide concentrate 2020/11/27 l l l l l Nefeline syenite Nickel concentrate Nickel ore concentrate Peat moss Pentahydrate crude Pyretic ashes Pyretic cinders Pyrites Silver lead concentrate Silver lead ore concentrate Sinter Slig, iron ore Zinc and lead calcines/middlings Zinc concentrate Zinc ore burnt/calamine/concentrates/crude Zinc sinter Zinc sludge Zinc sulphide 59
Sample testing樣本測試 Flow table test (drop test)流動台測試(落下 測試): Suitable for concentrates or fine material of grain size 1 mm (up to 7 mm for some cargo types). 適合於顆粒小於 25 mm的精礦或煤炭 2. Penetration test (vibration test)滲透測 試(震動測試) 3. Proctor/Fagerberg氏測試(compaction夯實測 試): Suitable for fine and coarse grained ore concentrates up to 5 mm. 適合於顆粒大 小不超過5 mm的細粉以及粗質礦石精砂。 l 通常無法以目視或在船上做樣本檢測的方式來判 定貨物的含水量是否低於其TML。 1. 2020/11/27 60
Cargo information: l l l l l bulk cargo shipping name (BCSN) Material Safety Dada Sheet (MSDS) cargo group (A, B or C) group A – cargos which may liquefy group B – cargos which possess a chemical hazard group C – cargos which are neither liable to liquefy nor possess chemical hazards (確認是否允許Cargo residue拋海) IMO class and UN number (危險貨物) total quantity of cargo stowage factor trimming needs and procedure moisture content transportable moisture limit and flow moisture point angle of repose and likelihood of shifting formation of wet base toxic and flammable gasses which could be generated by the cargo toxicity, corrosiveness and propensity to oxygen depletion of the cargo emission of flammable gasses in case of contact with water radioactive properties if applicable 2020/11/27 65
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