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Elements and Performance Criteria
Range Statement
Performance Evidence
Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria on at least one occasion and include:assessing own work outcomes and maintaining knowledge of current codes, standards, regulations and industry practicesdrawing load line mark and the load lines for a ship of a given summer moulded draught, displacement and tonnes per centimetre (TPC) immersion in saltwaterexplaining basic principles of naval architectureidentifying actions to be taken in the event of partial loss of intake buoyancy identifying and applying relevant mathematical formulas and techniques to solve basic problems related to speed, fuel consumption and stability of commercial vesselsidentifying and interpreting numerical and graphical information, and performing mathematical calculations related to shipboard areas and volumes, vessel displacement, angle of loll, ship dimensions, centre of gravity (CG), vessel speed, fuel consumption and hydrostatic pressureidentifying, collating and processing information required to perform calculations related to speed, fuel consumption and stability of commercial vesselsimparting knowledge and ideas through verbal, written and visual meansperforming accurate and reliable calculationsreading and interpreting written information needed to perform calculations related to the seaworthiness of commercial vesselssolving problems using appropriate laws and principlesusing calculators to perform mathematical calculations. |
Knowledge Evidence
Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:basic structural members of a ship and the proper names of the various partsbuoyancycalculationsCG, longitudinal centre of gravity (LCG) and vertical centre of gravity (VCG)coefficients for areas, including:midships (CM)waterplane (CW)coefficients for underwater volumes, including:block (Cb)prismatic (Cp)curves of statistical stabilitydensity correction formulaeffects of slack tanksfilling rates, including:accidental floodingtank testingfuel consumption calculationshydrostatic pressuremovement of CGprinciple of displacementproblems related to vessel displacement, including:addition of mass removal of massship:displacementmeasurementsstability calculationsstability including statistical and initialtypes, including:bulk carrierscombination carrierscontainergeneral cargooil, chemical and gas tankerspassengerroll-on and roll-off (ro-ro)ship construction, including:bow and stern regionsfittinghull structureload line and draught marks, including:chart of zones, areas and seasonal periods used to find the applicable load linedefinition of 'freeboard'definition of 'assigned summer freeboard'freeboard, measured from the upper edge of the deck line to the water on each side, including checks that the ship is within its permitted limits of loadingheight of sill varies between different types of ships based on load line ruleshow to read draughtsitems in the conditions of assignment of freeboardload line mark and the load lines for a ship of a given summer moulded draught, displacement and TPC immersion in saltwaterwhere the deck line is markedrudders and propellersship dimensions and formship stresses, including:calculations for pressure at any depth below the liquid surface, given the density of the liquidcauses of corrosion onboard'hogging' and 'sagging' and distinguishing between themhogging and sagging stresses caused by sea statehogging and sagging stresses resulting in tensile or compressive forces in the deck and bottom structureliquid pressure loading on the ship's hullloading conditions which give rise to hogging and sagging stressesmethods that are being used to minimise the effects of corrosion'pounding' or 'slamming' and which part of the ship is affectedstress set up by liquid sloshing in a partly filled tankracking stress and it causesshear force and bending momentsstresses caused by localised loadingwater pressure loads on ship's hullshipboard:areas, including:bulkheads/elemental areaswater planesmass, including:ballastcargofuelpassengersvolumes, including:transverse sectional areaswater plane areasSimpson’s RulesTPC immersiontrim and stress tables, diagrams and stress calculating equipmentvessel speed calculationswatertight integrity. |