NEN EN ISO 13626 : 2004

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Product specification levels
5 Marking and information
   5.1 Nameplate
   5.2 Derrick and mast nameplate information
   5.3 Substructure nameplate information
   5.4 Crown block assembly nameplate information (required only
        for crown block assemblies for use with derricks)
6 Standard ratings
   6.1 General
   6.2 Derrick - Stationary base
   6.3 Mast with guy lines
   6.4 Mast without guy lines
   6.5 Derrick and mast under dynamic conditions
   6.6 Substructure
   6.7 Substructure under dynamic conditions
   6.8 Crown block assembly
7 Design loading
   7.1 General
   7.2 Derrick (stationary base)
   7.3 Mast with guy lines
   7.4 Mast without guy lines
   7.5 Derrick and mast under dynamic conditions
   7.6 Substructure
   7.7 Substructure under dynamic conditions
   7.8 Guide tracks and dollies
   7.9 Crown block assemblies
8 Design specification
   8.1 Allowable stresses
   8.2 Wind
   8.3 Dynamic loading (induced by floating hull motion)
   8.4 Earthquake
   8.5 Design verification
9 Materials
   9.1 General
   9.2 Written specifications
   9.3 Mechanical properties
   9.4 Material qualification
   9.5 Material manufacture
   9.6 Bolts
   9.7 Wire rope
10 Welding requirements
   10.1 General
   10.2 Welding qualifications
   10.3 Written documentation
   10.4 Control of consumables
   10.5 Weld properties
   10.6 Post-weld heat treatment
   10.7 Quality control requirements
   10.8 Specific requirement - repair welds
11 Quality control
   11.1 General
   11.2 Quality control personnel qualifications
   11.3 Measuring and test equipment
   11.4 Non-destructive examination
   11.5 Dimensional verification
   11.6 Workmanship and finishing
   11.7 Purchaser's inspection and rejection
   11.8 Testing
   11.9 Traceability
12 Documentation
   12.1 General
   12.2 Documentation to be kept by the manufacturer
   12.3 Documentation to be delivered with equipment
Annex A (normative) Supplementary requirements
Annex B (normative) Standard derricks
Bibliography

Describes requirements and gives recommendations for suitable steel structures for drilling and well-servicing operations in the petroleum industry, provides a uniform method of rating the structures, and provides two product specification levels.