LR IV.1
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Construction and Classification of Ships for the Carriage of Liquid Chemicals in Bulk, July 2022 - LR IV Information and Plans to be Submitted - LR IV.1

LR IV.1

In addition to the plans required by the relevant Chapters of the Rules for Ships, the following information and plans are to be submitted:

  1. Information:

    1. The 'LR Chemship Questionnaire' is to be submitted.

    2. In addition, for cargo tanks manufactured from stainless steel plate or carbon steel plate clad with stainless steel, the surface finish specification, fabrication procedures and permitted repairs are to be submitted to LR at the earliest opportunity, see also Ch 1, 6.1 Materials of construction and welding.

    3. Particulars and capacities of ventilation arrangements for spaces referred to in Chapter 12 and any other spaces in which hazardous vapours may collect by virtue of the arrangement of openings.

    4. Particulars of any special materials of construction.

    5. Particulars of any special containment features (e.g. pressure tanks).

    6. The maximum contemplated cargo relative density and intended pressure/vacuum relief valve settings are to be indicated on the submitted midship section.

    7. Details verifying compliance with the sizing of vent systems required by Ch 1, 8.2 Cargo tank venting 8.2.4

    8. Particulars and arrangements of cargo tank gasfreeing systems.

    9. Particulars of access, evacuation and rescue arrangements required by Ch 1, 3.3 Cargo pump-rooms and Ch 1, 3.4 Access to spaces in the cargo area.

  2. Plans:

    Ship general arrangement giving location of:

    1. Hatches, tank cleaning and other openings within the cargo area.

    2. Doors, hatches and other openings (e.g. vents) to cargo pump rooms, cargo service spaces, cofferdams, hold spaces containing independent tanks and void spaces.

    3. Doors, hatches and other openings (e.g. vents and opening windows) to accommodation, pump rooms, control stations, machinery spaces and service spaces.

    4. Independent tanks, lined or coated tanks, and tanks constructed of special materials.

Parent topic: LR IV Information and Plans to be Submitted
Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.