BS EN ISO 19901-5:2016
$215.11
Petroleum and natural gas industries. Specific requirements for offshore structures – Weight control during engineering and construction
Published By | Publication Date | Number of Pages |
BSI | 2016 | 88 |
This part of ISO 19901 specifies 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. The provisions are applicable to offshore projects that include structures of all types (fixed and floating) and materials. These structures can be complete new installations or the modifications to existing installations. Maintaining the weight control of existing installations is not part of the main body of this part of ISO 19901 , but some guidance on this is included in the Annex G.
This part of ISO 19901 :
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specifies quality requirements for reporting of weights and centres of gravity;
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specifies requirements for weight reporting;
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provides a basis for overall project weight reports or management reports for all weight control classes;
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specifies requirements for weight and load budgets;
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specifies the methods and requirements for the weighing and the determination of weight and CoG of major assemblies;
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specifies requirements for weight information from suppliers, including weighing of equipment and bulk materials for offshore installations.
It can be used:
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as a basis for planning, evaluating and presenting the client’s, contractor’s or fabricator’s weight management and reporting system;
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as a means of refining the structural analysis or model;
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as a contract reference between client, contractor and suppliers;
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as a basis for costing, scheduling or determining suitable fabrication method(s) or location(s).
PDF Catalog
PDF Pages | PDF Title |
---|---|
4 | European foreword |
7 | Foreword |
8 | 0 Introduction |
11 | 1 Scope 2 Normative references |
12 | 3 Terms and definitions |
18 | 4 Abbreviated terms 5 Weight control classes 5.1 General 5.2 Class A: High definition of weight and CoG 5.3 Class B: Medium definition of weight and CoG |
19 | 5.4 Class C: Low definition of weight and CoG 5.5 Selection of class of weight control |
20 | 6 Weight and load budget (WLB) 6.1 General |
21 | 6.2 Requirements 6.3 Content 6.3.1 General |
22 | 6.3.2 Weight reserves |
23 | 6.3.3 Future weights and loads 6.3.4 Loading conditions and parameters |
24 | 6.3.5 Formats and levels 6.3.6 CoG envelopes |
25 | 7 Weight control procedure |
26 | 8 Weight reporting 8.1 General |
27 | 8.2 Weight report requirements |
30 | 9 Requirements for suppliers’ weight data and weighing of equipment and bulks 9.1 General 9.2 Provision of weight information 9.3 Weighing requirements |
31 | 9.4 Weighing equipment 9.5 Weighing procedure |
32 | 9.6 Notification and witnessing of weighing 9.7 Calibration of weighing equipment 9.8 Weighing operation |
33 | 9.9 Temporaries during weighing 9.10 Items not installed during weighing 10 Requirements for weighing of major assemblies 10.1 Weighing procedure 10.2 Environmental conditions 10.2.1 Light |
34 | 10.2.2 Wind 10.2.3 Temperature and humidity |
35 | 10.3 Weighing 10.3.1 Number and timing of weighing 10.3.2 Weighing procedure |
36 | 10.3.3 Notification and witnessing of weighings 10.3.4 Preparation of the weighing |
37 | 10.3.5 Weighing equipment |
40 | 10.3.6 Calibration of weighing system 10.3.7 Weighing foundation and supports |
41 | 10.3.8 Structural integrity 10.3.9 Weighing operation |
42 | 10.3.10 CoG calculations |
43 | 10.3.11 Weighing certificate 10.3.12 Weighing report |
44 | 11 Requirements for “as-built” weight documentation |
45 | Annex A (informative) Weight data sheets — Tagged equipment |
47 | Annex B (informative) Weighing certificates |
51 | Annex C (informative) Weight and load budget (WLB) formats and levels |
52 | Annex D (informative) Major elements of the weight displacement |
53 | Annex E (informative) Supplier weighing procedure |
55 | Annex F (informative) Guidelines for displacement measurement of floaters |
59 | Annex G (informative) Requirements for weight control during operations |
75 | Annex H (informative) Requirements for topside weight estimation — New builds/green field |
80 | Annex I (informative) Executive summary description |
82 | Annex J (informative) Weighing result uncertainty |
83 | Annex K (informative) Weight control database structure |
85 | Bibliography |