Standards Development

Scope

This standard is the revision on ISO 9519:1990.

This standard specifies the type, structure, dimensions, material, technical requirement and manufacture quality of rungs for dog-step ladders

Purpose

(In the case of an amendment, revision or a new part of an existing document, show the reference number and current title) Scope of the proposed deliverable. This standard is the revision on ISO 9519:1990. This standard specifies the type, structure, dimensions, material, technical requirement and manufacture quality of rungs for dog-step ladders Purpose and justification of the proposal* As the important part of the access, rungs for dog-step ladders is one of the most common outfitting onboard, of which design and manufacturing quality are closely related to the safety and comfort of the vessel. The international standardization of rungs for dog-step ladder is extremely important. The effective international standard of rungs for dog-step ladder is ISO 9519:1990, which is issued on 1990. In the past 30 years, with the rapid development of shipbuilding technology, relevant international and national maritime organization rules and specifications have been issued, ISO 9519:1990 is obviously not comply with the requirements and the current needs of design, production and manufacturing for the rungs for dog-step ladders nowadays.

See as follows:

1) Scope in ISO 9519:1990 is not comply with the requirement in IMO MSC.158(78), MSC/Circ. 686/Rev.1 and IACS UI SC191(Rev.8, April 2019.

2) There is no requirement of PSPC surface treatment in ISO 9519:1990, which it not comply with IMO MSC.215(82).

3) Size of single square bars in ISO 9519:1990 is not comply with the requirement of IACS UI SC191 (Rev.8,April 2019) AMSA Martine Order 32.

4) Rungs section in ISO 9519:1990 is not complying with the requirement of AMSA Marine Order 32. The revision of ISO 9519:1990 can meet the requirement of IMO,IACS and AMSA, it can greatly profit the ship design, can provide the basic for type selection, can offer the technical requirement for design, production and installation, can ensure the safety and comfort of the ship access. After the revision of the standard, shipyard, ship owner, inspection organisation and outfitting manufacturer will benefit a lot from the proposed deliverable.