2012 Ocean Ranger Guidebook Revision 3-7-12 - Alaska ...

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2012 Ocean Ranger Guidebook 3-7-12 What to check for: Check levels under several operation conditions, seas, port, maneuvering etc. Are the tank valves open during the vessel operation? Are the tank valves intermittently closed or opened? Check how are the tanks filled up and kept on level. How is is established when the oil fill up in the tanks? Is overflow piping connected to the tanks? How is filling up performed? Check for presence of air pumps / hoses / oil drums in the vicinity of the tank system. Are level (low / Low Low / high) oil tank levels recorded / in alarm log? Engine room log? What is the history of the item? Log books / recording where are the oil changes / fill ups recorded? What type of oil is used? Is an oil switch made compared to the previously used oil? How is the “consumed” oil volume determined? Some vessels had water intrusion in their shaft lubrication system, the system gets drained / adding oil. Describe how the system is working and how the drained and suppleted oil volumes are calculated. What happens with the water / sludge? Job Aid Item: 7.1.e Text: Made exterior examination in way of systems for evidence of leaking seals (AS 46.03.740/ 40 CFR 110.3). Background: Check for the exterior parts of oil systems (tanks, tubes etc.) that no oil is lost or leaking. For seals under the water line (prop shafts , stabilizers) only leakage may be noticed under certain operation conditions and under the “water line”. Most oil leakages from seals with traditional oils (not included the “no sheen oils” (Vickers B series, CITGO No sheen etc.) will manifest visible sheens. However the oil loss from leaking seals can be very small and hard to detect. Also operational condition shaft speed and thrust fluctuations can affect the leaking profile as well. As shaft seals may not leak at all at zero shaft speed, but leaking at certain shaft speeds. In the vessel self, leaking “inner shaft seals” are indicators that something is wrong with the seals and may also the case with the outer seals. Although it is possible visible outside sheens have not manifested yet. What to check for: Oil sheens, oil fill ups and leakage of oil in the vessel self (interior) and at the exterior. Vessel use of bow thrusters, and maneuvering appear to be operational conditions where oil sheens from leaky seals are manifested first. Job Aid Item: 7.1.f Text: Observe special actions to prevent spills, overflows of tanks, etc. (40 CFR 110.3, AS 46.03.740- no oily sheens or discharge of oil) Background: Procedures / operations should be laid out in such way the spill overflows are prevented. Most of the elements are already integrated in the vessel oil storage handling designs. What to check for: If special actions are taken, for example during bunkering fuel oils. In Alaska there are normally no fuel bunkering activities. However, some vessels that used their passenger tender boats frequently in Alaska may fuel up these in Alaska. Check on spill prevention measures, containments, tank level monitoring and how the fuel “bunkering” is done for the lifeboats / tender vessels. Fuel transfers need to be done very carefully. How are tank volumes calculated / measured? Are systems and procedures in place? Are tanks equipped with fuel overflow (captive) systems? Are tank level monitoring alarms in place and operable? Does the overflow tank have level alarms that are operable? Are overflow 208
2012 Ocean Ranger Guidebook 3-7-12 tank alarms recorded? Is telephone / communication system from deck (bunkerstation) to other parts of the system (manifold) in place? Are general operation procedures in place? Job Aid Item: 7.1.g Text: Vessel OWS related vessel machinery logs, reports for maintenance, repairs, cleaning operations (e.g. back flush) onboard and available.(33 CFR 151.10 b) Background: OWS logs in general tells what the equipment status is with regard the maintenance, repairs and general technical status of the equipment. What to check for: Is the OWS operable? When was the last calibration done? What is the last regular maintence action? By whom were these maintenance actions performed? Are maintence repair calibration reports available? Subsection 2: Oil Pollution; Fuel; Oily Water Separators (OWS), General (33 CFR 155.360/370, 33 CFR 151.10); Note: Citations can be found under the general citations in this section, unless specific to that item then they are listed with the item. Job Aid Item: 7.2.a Text: Check for recent paint on pipe segments, or other changes. (33 CFR 151.10) Background: Historically some vessels “by passed” the OWS systems and conducted “direct discharges”. Changes or alterations of piping are possible indicators that “magic piping” is done and the OWS was not used for oily water discharges. There are more in-depth checks on this in the seasonal report. This item is meant as an update to the seasonal in-depth checks, to see if any changes have been made since then. The seasonal report could be a useful reference for this. What to check for: OWS status in general. Scraped nuts bolts head, missing washers and fresh fixed piping are suspect. Also blind flanges, connectors and hoses are possible indicators of non original (as built) OWS discharge piping lay out. Compare the system with as built drawing and trace the piping. Ask questions, communicate. New pipe sections, flexible sections and blind flanges / spectacles are suspect. Job Aid Item: 7.2.b Text: If in use, observe that OWS unit is processing from contaminated source. (33 CFR 151.10) Background: The OWS is used to process “oily water” and bilge water. Vessels that burn oil will have oily sludges, and produce sludge. In order to make sure that the oily wastes are discharged correctly an OWS system must be used and operable. What to check for: Operable OWS system including associated systems, tanks etc. Familiarize with the entire system and how the system is operated. Checks for OWS piping, storage tanks and how the “influent” is processed and originated from. Job Aid Item: 7.2.c Text: Checked for similar readings of oil content meters (units with multiple oil content meters)(33 CFR 151.10) 209
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