The following regulations concern the process, testing guidelines, and testing criteria for freeboard marking which is done on the outer surface of the shell during ship construction. Before to read this article, you may read the relevant definitions at DRAUGHT MARKS AND SURVEYING. Purpose The purpose of this article is to test and manage quality by accurately regulating methods and standards of measurement, as well as to maintain measurement accuracy in the location, size, and measure of the freeboard marking process performed by ship according to floor plans based on I.M.O regulations and class requirements. Terminology Freeboard Refers to the perpendicular … Continue reading Free Board Mark Construction & Inspection

The following regulations concern the method, testing guidelines, and testing criteria for draft marking which is done on the outer surface of the shell during ship construction. Purpose The purpose of this article is to ensure quick and accurate testing and management by establishing the procedural criteria and methods for draft marking on different ship and locations. Terminology Draft Mark: This term refers to the perpendicular distance from the lowest point of the keel plate to the water surface.; there are three types, which are aft draft mark, mid-draft mark, and fwd-draft mark. Draft markings are necessary for calculating the … Continue reading Draft Mark (Draught Mark) Inspection

An accommodation ladder is a portable ladder hinged to a platform attached to the side of a ship and which can be positioned to provide access between ship and shore. Telescopic accommodation ladder is used for covering a long distance between the vessel and port quay. According to amendments to SOLAS Convention ships constructed on or after 1 January, 2010 shall be provided with means of embarkation on and disembarkation from ships for use in port, such as gangway and accommodation ladders Applicable Scope This inspection standard shall be applied to ACC. ladder onboard test carried out in the inner wall after … Continue reading Accommodation Ladder & Pilot Ladder

IMO SHIP IDENTIFICATION NUMBER SCHEME (Circular letter No.1886/Rev.5) The IMO ship identification number scheme was introduced in 1987 through the adoption of resolution A.600(15), as a measure aimed at enhancing “maritime safety, and pollution prevention and to facilitate the prevention of maritime fraud”. It aimed at assigning a permanent number to each ship for identification purposes. That number would remain unchanged upon transfer of the ship to other flags (s) and would be inserted in the ship’s certificates. When made mandatory, through SOLAS regulation XI/3 (adopted in 1994), specific criteria of passenger ships of 100 gross tonnages and upwards and … Continue reading IMO NUMBER & NET TONNAGE MARKS PLAN

Docking Plans: A docking plan is a document that is prepared for every ship during its preliminary design phase. All the information required to bring a ship to a dry dock is included in its docking plan. While most of the information is condensed into drawings, one must also refer to the textual references and notes provided, because they also inform us about the type of dry dock that is being used and technical specifications of dry dock that should be met before the ship is docked. Visit: Shipbuilding Knowledge A-Z for more understanding shipbuilding. The contents of a typical docking plan are … Continue reading SHIP DOCKING PLAN