Man Overboard Turns - Man Overboard maneuvering - Rescuing Man overboard
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Hypothermia is reduced body temperature that happens when a body dissipates more heat than it absorbs. In humans, it is defined as a body core temperature below 35.0 °C (95.0 °F). Symptoms depend on the temperature. 1. Williamson Turn Advantages: Makes a good original track line Good in reduced visibility A simple manoeuvre Disadvantages: Takes the ship farther away from the incident Slow procedure Execution: Put the rudder over full toward the pers on (e.g., if the person fell over the starboard side, put the rudder over starboard full). After deviating from the original course by about 60 degrees, shift the rudder full to the opposite side. When heading about 20 degrees short of the reciprocal, put the rudder amidships so that vessel will turn onto the reciprocal course. Bring the vessel upwind of the person, stop the vessel in the water with the person alongside, well forward of the propellers https://www.youtube.com/watch?v=EIDAEPzL1Po 2. Anderson Turn (Single turn) Advantages: Fastest recovery method Good for ships with tight turning characteristics Disadvantages: Used most by ships with a considerable power Very difficult for single screw vessel Difficult since the approach to the person is not straight Execution: Put the rudder over full towards the person (e.g., if the person fell over the starboard side, put the rudder over full to starboard). When clear of the person, go all ahead full, still using the full rudder. After deviating from the original course by about 250 degrees (about 2/3 of a complete circle), back the engines 2/3 or full. Stop the engines when the target point is 15 degrees off the bow. Ease the rudder and back the engines as required. 3. Scharnov Turn Advantages: Will take the vessel back to her wake Less distance is covered , hence saves time Disadvantages: Cannot be used in an immediate action situation. Execution: Put the rudder over hard towards the person (e.g., if the person fell over the starboard side, put the rudder over hard to starboard). After deviating from the original course by about 240 degrees, shift the rudder hard to the opposite side. When about 20 degrees short of the reciprocal course, put the rudder amidships so that vessel will turn onto the reciprocal course. https://www.youtube.com/watch?v=94zQekfIr8g Rescuing a Man Overboard https://www.youtube.com/watch?v=dFQHG4m8wHQ
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Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
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Chapter 4
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Chapter 5
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Chapter 6
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Text Books:
1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
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Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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