Section 8 Installation
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Offshore Units, July 2022 - Part 3 Functional Unit Types and Special Features - Chapter 12 Riser Systems - Section 8 Installation

Section 8 Installation

Parent topic: Chapter 12 Riser Systems

8.1 General

8.1.1 Specifications covering the site installation procedures are to be submitted for approval.

8.2 Location Survey

8.2.1 Specifications, plans and data are to comply with Pt 3, Ch 12, 2 Plans and data. Additional data is to be submitted specifying sea bed preparation, extent and means of execution and survey prior to installation.

8.2.2 The construction specification is to specify the tolerance within which the riser system is to be positioned.

8.3 Installation procedures

8.3.1 The equipment used for operations is to be agreed by LR for the processes specified.

8.3.2 Individual risers, equipment, fittings and sub-assemblies are to be handled and stored with care, especially components with anodes or heavy anode bracelets. No components are to be stored in a manner which will cause damage or deformation.

8.3.3 All components and sub-assemblies are to be inspected before installation and be approved to the satisfaction of the Surveyor.

8.3.4 The installation of the riser is not to introduce any unscheduled loading and the transfer of loading to riser supports is to be shown to be in accordance with design specifications.

8.3.5 All monitoring systems are to be operated and calibrated to the Surveyor's satisfaction during all laying and installation operations.

8.4 Completion Survey

8.4.1 As soon as is practicable following installation and prior to start-up, a survey of the entire riser system is to be carried out.

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