NEN EN ISO 19901-5 : 2016

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
  3.1 Terms and definitions
  3.2 Abbreviated terms
4 Weight control classes
  4.1 General
  4.2 Class A: High definition of weight and CoG requirements
  4.3 Class B: Medium definition of weight and CoG requirements
  4.4 Class C: Low definition of weight and CoG requirements
  4.5 Selection of weight control class
5 Weight and load budget (WLB)
  5.1 General
  5.2 Requirements
  5.3 Weight and load budget (WLB) content
       5.3.1 General
       5.3.2 50/50 weight estimate
       5.3.3 Weight reserves
       5.3.4 Future weights and loads
       5.3.5 Loading conditions and parameters
       5.3.6 Weight and load budget (WLB) formats and levels
       5.3.7 CoG constraints
6 Weight reporting
  6.1 General
  6.2 The weight control procedure
  6.3 Requirements to the weight report
       6.3.1 Introduction to the report
       6.3.2 Summary and conclusions to the report
       6.3.3 Area/module reports
       6.3.4 Special reports (optional)
       6.3.5 Annexes to the report
7 Requirements for weight data from suppliers and weighing
  of bulk and equipment
  7.1 General
  7.2 Provision of weight information
  7.3 Requirements for weighing
  7.4 Weighing equipment
  7.5 Weighing procedure
  7.6 Notification and witnessing of weighing
  7.7 Calibration of weighing equipment
  7.8 Weighing operation
  7.9 Temporaries during weighing
  7.10 Items excluded during weighing
8 Requirements for weighing of major assemblies
  8.1 Weighing procedure
  8.2 Environmental conditions
       8.2.1 Light
       8.2.2 Wind
       8.2.3 Temperature and humidity
  8.3 Weighing
       8.3.1 Number and timing of weighings
       8.3.2 Weighing procedure
       8.3.3 Notification and witnessing of weighings
       8.3.4 Preparation of the weighing
       8.3.5 Weighing equipment
       8.3.6 Calibration of weighing system
       8.3.7 Foundation and supports
       8.3.8 Structural integrity
       8.3.9 Weighing operation
       8.3.10 CoG calculations
       8.3.11 Weighing certificate
       8.3.12 Weighing report
9 Requirements for 'as-built' weight documentation
Annex A (informative) Weight data sheets - Tagged equipment
Annex B (informative) Weighing certificates
Annex C (informative) Weight and load budget (WLB) formats
        and levels
Annex D (informative) Major elements of the weight displacement
Annex E (informative) Supplier weighing procedure
Annex F (informative) Guidelines for displacement measurement
        of floaters
Bibliography

Defines requirements for controlling the weight and centre of gravity (CoG) by means of mass management during the engineering and construction of structures for the offshore environment.