OLF 061 A : 2003

1 Introduction
  1.1 Objective
  1.2 Application
  1.2 Responsibilities
2 Definitions and Abbreviations
3 Planning and execution of anchor handling and towing operations
  3.1 Preparations and planning of anchor handling
      3.1.1 Responsibilities of operating company
      3.1.2 Responsibilities of installation owner
      3.1.3 Responsibilities of AHTS captain
      3.1.4 Anchoring meeting
  3.2 Anchor handling operation
  3.3 Securing anchor on deck
  3.4 Towing operation requirements
      3.4.1 General towing rules
      3.4.2 Planning of towing operation
      3.4.3 Towing operation
  3.5 Reporting
4 Equipment requirements
  4.1 Permanent chaser pendant (PCP) requirements
  4.2 Pennant buoy system requirements
      4.2.1 Pennant wire color codes
  4.3 Vessel working wire/chaser requirements
  4.4 Equipment requirements
  4.5 Piggyback systems
5 Work specification requirements (scope of work)
  5.1 Work specification checklists
      5.1.1 Field information
      5.1.2 Installation information
      5.1.3 Requirements related to relevant vessels
      5.1.4 Other information required in the work
            specification
6 Communication requirements during anchor handling and towing
  operations
7 Safe job analyses for anchor handling and towing
8 Competence and manning requirements for anchor handling and
  towing operations
9 Appendices
  9.1 Drawing of permanent rig chaser pendant system with and
      without anchor
  9.2 Drawing of pennant buoy system
  9.3 Piggyback system
  9.4 Recommended design of working wire/chaser termination on
      vessel

The objective of the guidelines is to facilitate safe anchor handling and towing operations on the Norwegian Shelf. The guidelines are intended for those parties that through planning, work procedures or actions influence safe operations in connection with the interaction between operators, owners of installations, installations, vessels, bases and suppliers.