HKIE Professional Assessment - Marine & Naval Architecture Discipline case studies
HKIE Professional Assessment - Marine & Naval Architecture Discipline · Put your knowledge to work in context.
The HKIE Professional Assessment in the Marine & Naval Architecture Discipline is the route by which a candidate demonstrates readiness for Corporate Membership of the Hong Kong Institution of Engineers in this discipline, and with it the professional standing that Hong Kong recognises for responsible charge of engineering work. It is aimed at engineers who have completed an accredited degree and a period of structured or general experience in ship design, shipbuilding, ship repair, marine operations, classification, surveying or a closely related field, and who can show independent engineering judgement rather than routine task execution. The HKIE Professional Assessment - Marine & Naval Architecture Discipline case studies are 5 cases and about 3,422 words.
1Scrubber Retrofit on a Ro-Pax Ferry: Stability Margin Erosion
A 135 m ro-pax ferry on a Hong Kong–Macau route displaces 6,400 t in its worst operating condition and carries 850 passengers and 1,200 lane-metres of vehicles. Its approved stability booklet gives KG 8.20 m, KM 9.48 m and a limiting intact GM of 1.20 m; the damage-stability limiting GM is also 1.20 m.
822 words, about 4 min2Fatigue Crack at a Side-Frame Bracket on an Ageing Bulk Carrier
At a special survey a 180 m, 45,000 dwt bulk carrier built in 2006 is found with a 140 mm long crack at the toe of the lower side-frame bracket, frame 62 port, No.4 hold. The bracket is 12 mm AH36; the adjacent side shell is 16 mm.
734 words, about 4 min3Cylinder Liner Scuffing After a VLSFO Switch
A 12,000 TEU container ship is powered by a 9S90ME-C two-stroke engine, MCR 68,400 kW at 84 rpm. After switching from HSFO to a 0.50% S VLSFO with CCAI 850, viscosity 180 cSt at 50°C and water 0.35%, units 3 and 7 show exhaust-gas temperatures about 40°C above the other units, liner wear of 0.12 mm/1,000 h against a normal 0.05 mm/1,000 h, and drain-oil iron of 180 mg/kg.
683 words, about 3 min4DP2 Vessel After Thruster Drive Overtemperature
A 92 m platform supply vessel is holding DP2 station 500 m from a dive support site in 85 m water depth. Thrust is provided by two 2.5 MW aft azimuths, two 1.2 MW bow tunnel thrusters and one 1.0 MW retractable.
577 words, about 3 min5Ballast Tank Wastage at Intermediate Survey
A 1998-built, 18,000 dwt general cargo ship is at an intermediate survey in Hong Kong. In No.2 port ballast tank the original side-shell plating is 12.0 mm and the allowable minimum is 9.6 mm after the 20% diminution.
606 words, about 3 min