Clasification Society Rules and Regulations - Rules and Regulations for the Classification of Offshore Units, January 2016 - Part 1 REGULATIONS - Chapter 3 Periodical Survey Regulations - Section 13 Drilling plant facility
Section 13 Drilling plant facility
13.1 Frequency of surveys
13.1.1 Drilling units having a DRILL notation in accordance with Pt 3, Ch 7 Drilling Plant Facility are to be surveyed annually in accordance with the requirements of 2.7. A Special Survey in accordance with the requirements of Pt 1, Ch 3, 13.2 Scope of surveys is to be held at intervals not exceeding five years.
13.2 Scope of surveys
13.2.1 At each Special Survey, the Surveyor is to examine and test as necessary the following components of the drilling plant facility:
- Blow out preventer hoisting and handling equipment.
- Blow out preventer, diverter and their controls.
- Bulk storage.
- Choke manifold and associated valves.
- Drilling fluids circulation and cementing equipment.
- Drilling derrick hoisting, rotation and pipe handling equipment.
- Heave compensation equipment.
- Miscellaneous drilling equipment and equipment considered as part of the drilling installation.
- Well testing equipment.
13.2.2 Pressure vessels forming part of the drilling plant facility are to be examined in accordance with the requirements of Pt 1, Ch 3, 17 Pressure vessels for process and drilling plant, see also Pt 1, Ch 3, 2.5 Production and oil storage units and Pt 1, Ch 3, 2.7 Drilling units.
13.2.3 Piping systems for mud, cement and other systems subject to considerable erosion are to be examined for leaks and corrosion.
13.2.4 Safety and communication systems and hazardous areas are to be examined in accordance with Pt 1, Ch 3, 16 Safety and communication systems and hazardous areas.
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