Shipboard Incineration Requirements Allowed Incineration Shipboard incineration is only permitted in a designated shipboard incinerator. This ensures that incineration is conducted in a controlled and regulated manner. Prohibited Substances The following substances are strictly prohibited from shipboard incineration: Cargo residues subject to Annex I, II, or III and related contaminated packaging materials Polychlorinated biphenyls (PCBs) […]
Overview of ISPS Code The International Ship and Port Facility Security (ISPS) Code is part of SOLAS Chapter XI-2, focusing on enhancing maritime security. It applies to: Passenger ships and high-speed passenger craft Cargo ships and high-speed craft of 500 GT and upwards The code consists of two parts: Part A: Mandatory Provisions Part B: […]
Safety Feature: To prevent unnecessary tripping due to power surges during synchronization, the relay incorporates a time delay of 5 seconds. Reverse Power Trip Relay The Reverse Power Trip Relay is a crucial protective device used in electrical systems, particularly for generators. It operates based on the principles of Faraday’s law of induction and Lenz’s […]
How an Earth Fault Lamp Works An earth fault lamp is a simple yet effective system for detecting earth faults in electrical systems. Here’s how it operates: 1. Normal Operation In a healthy system, all three lamps (R, Y, and B) glow equally bright. This indicates that the potential difference (P.D.) across each lamp is […]
4-Ram Steering Gear System The 4-ram steering gear system is a hydraulic steering mechanism used in large ships. It employs four hydraulic rams to control the rudder’s movement, providing redundancy and increased steering power. Main Components Steering Wheel Telemotor Transmitter Telemotor Receiver Control Valve Four Hydraulic Rams Rudder Stock Rudder How It Works For a […]
Resolution MEPC.227(64) Summary Resolution MEPC.227(64) outlines the 2012 Guidelines on Implementation of Effluent Standards and Performance Tests for Sewage Treatment Plants adopted by the Marine Environment Protection Committee (MEPC) on October 5, 2012. Key points include: 1. Purpose and Application Updates previous guidelines (MEPC.159(55)) to reflect current trends and advancements Applies to sewage treatment plants […]
PSC Inspections of Sewage Systems PSC inspectors may check: Proper operation of sewage treatment plant (STP) by crew Crew knowledge of regulations Sewage discharge valve closed/sealed in port Condition of STP internal chamber Safety management system includes STP maintenance procedures Chlorine content of effluent Logs of discharge valve operation Validity of International Sewage Pollution Prevention […]
Analysis of Generator Engine Parameters 1. Temperature Differences During Start-up and Shutdown: The significant temperature difference between Unit 1 (306°C) and Unit 6 (161°C) during starting and stopping could be due to several factors: a) Uneven fuel distribution: During start-up and shutdown, the fuel injection system might not be distributing fuel evenly to all cylinders, […]
Stern Tube Seal Renewal Procedure In-Situ Preparation and Safety Measures Report damage or incident to the office with a list of available spare seals onboard Check and requisition Environmentally Acceptable Lubricants (EAL) for stern tube oil if needed Company will arrange a diving team and surveyor Prepare previous wear down records, survey records, and LO […]