Section 4 Design and construction
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Naval Ships, January 2023 - Volume 3 Additional Class Notations - Part 1 Ship Type Capability - Chapter 5 Replenishment at Sea (RAS) Systems - Section 4 Design and construction

Section 4 Design and construction

Parent topic: Chapter 5 Replenishment at Sea (RAS) Systems

4.1 General

4.1.1 Documents relevant to the design, construction, installation, testing and operation of RAS systems are:

  1. LR’s Rules for RAS systems.

  2. The equipment manufacturer's recommendations.

  3. NATO Replenishment at Sea documents where specified by the Owner.

4.1.2 The overall performance of RAS systems is to be demonstrated to conform to the performance criteria specified in the System Operational Concept.

4.2 Functionality

4.2.1 In general, NS1 and NS2 type ships are to be configured such that replenishment of solids and liquids can be conducted concurrently. Ships are to be capable of supplying and receiving RAS equipment such that they can transfer personnel by abeam replenishment. For abeam RAS operations, a minimum of four RAS stations (two port and two starboard) should be provided (for larger ships six RAS stations may be incorporated). For astern RAS operations, at least one station should be provided on the fo'c'sle for reception and on the aft deck for supply.

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