Table of Contents
What is planning in ship?
Vessel planning mainly involves planning, executing and monitoring the loading and discharging operations of vessels at a terminal / port. For marine safety, it is also critical that the discharging and loading activities are carried out in a manner, which ensures the stability of the vessel whilst alongside.
What are the 4 stages of passage planning?
Passage planning consists of four stages: appraisal, planning, execution, and monitoring. These stages are specified in International Maritime Organization Resolution A. 893(21), Guidelines For Voyage Planning, which are, in turn, reflected in the local laws of IMO signatory countries.
What is planning in ship construction?
The planning and production department prepares a detailed progress schedule, fixing dates for the completion of various stages in the construction.
What is the first step in ship construction?
- Design. The hull form and arrangement of ship are determined on the design stage.
- Production planning. Working and production schedules are developed, considering efficient production.
- The arrival of steel.
- Primer coating.
- Cutting of steel.
- Processing of steel.
- Panel line.
- Sub assembly.
What are the steps of voyage planning?
There are four stages of Voyage Planning that are, Appraisal, Planning, Execution and Monitoring that logically follow each other.
What is parallel indexing?
Parallel indexing is a technique defined by William Burger in the 1957 book The Radar Observer’s Handbook. This technique involves creating a line on the screen that is parallel to the ship’s course, but offset to the left or right by some distance.
What five areas are ships tested on?
They involve demonstrations and tests of the ship’s systems and performance.
- Speed trial.
- Crash stop.
- Endurance.
- Maneuvering trials.
- Seakeeping.
What is the material of ship hull?
For the construction of the hull of a ship, mild steel containing 0.15% to 0.23 % carbon, and reasonably high manganese content is used. Sulphur and phosphorus contents in the mild steel are kept to a minimum (less than 0.05%) as higher contents of each hamper the welding properties of the steel.
How are ship sections joined?
After plates and sections are machined, they are ready to be welded into two dimensional structures called sub-assemblies. It is ensured by all shipyards that all joining processes are carried out mostly by downhand welding.
What is ship operation?
Business aspects In the most general sense, a ship is an investment that is to be operated in such a manner that the investors’ expectations with respect to returns are met. A freight rate must be obtained so that all expenses are covered, with a remainder sufficient for the returns on investment.
What are the first steps in building a ship?
This is the first stage of construction of the ship and several regulations refer to the keel laid date, The transverse bulkheads of metal plate run from side to side at several places in the length of the vessel, these bulkheads stiffen the frame and divide the ship into watertight bulkheads.
What are the essential steps of passage planning?
Passage Planning – Essential Steps 1 Appraisal 2 Planning 3 Execution 4 Monitoring. Passage planning or voyage planning is a procedure to develop a complete description of a vessel’s voyage from start to finish.
Which is the first stage of voyage planning?
Voyage planning starts with the appraisal stage. Before each voyage begins, the navigator should develop a detailed mental model of how the entire voyage will proceed. The appraisal stage consists of gathering and contemplating all information relevant to the voyage.
What is a contract design for a ship?
Once these factors are decided a fuller design can be prepared which is known as a contract design. This design can be circulated to various shipyards through tenders and quotations obtained for construction of the ship. Drawing of plans – sheer plan, body plan, half breadth plan.