ISO 19901:2016 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.ISO 19901:2016:- specifies quality requirements for reporting of weights and centres of gravity;- specifies requirements for weight reporting;- provides a basis for overall project weight reports or management reports for all weight control classes;- specifies requirements for weight and load budgets;- specifies the methods and requirements for the weighing and the determination of weight and CoG of major assemblies;- specifies requirements for weight information from suppliers, including weighing of equipment and bulk materials for offshore installations.It can be used:- as a basis for planning, evaluating and presenting the client's, contractor's or fabricator's weight management and reporting system;- as a means of refining the structural analysis or model;- as a contract reference between client, contractor and suppliers;- as a basis for costing, scheduling or determining suitable fabrication method(s) or location(s).
ISO 19901:2016 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.
ISO 19901:2016:
- specifies quality requirements for reporting of weights and centres of gravity;
- specifies requirements for weight reporting;
- provides a basis for overall project weight reports or management reports for all weight control classes;
- specifies requirements for weight and load budgets;
- specifies the methods and requirements for the weighing and the determination of weight and CoG of major assemblies;
- specifies requirements for weight information from suppliers, including weighing of equipment and bulk materials for offshore installations.
It can be used:
- as a basis for planning, evaluating and presenting the client's, contractor's or fabricator's weight management and reporting system;
- as a means of refining the structural analysis or model;
- as a contract reference between client, contractor and suppliers;
- as a basis for costing, scheduling or determining suitable fabrication method(s) or location(s).
Le présent document spécifie les exigences pour contrôler le poids et le centre de gravité, grâce à la gestion des masses, pendant les phases d'étude et de construction des structures en mer pour les industries du pétrole et du gaz naturel.
This document specifies requirements for managing and controlling the weight and centre of gravity (CoG) of offshore facilities by means of mass management during all lifecycle phases including; conceptual design, front end engineering design (FEED), detail engineering, construction and operations. These can be new facilities (greenfield) or modifications to existing facilities (brownfield). Weight management is necessary throughout operations, decommissioning and removal to facilitate structural integrity management (SIM). The provisions of this document are applicable to fixed and floating facilities of all types. Weight management only includes items with static mass. Snow and ice loads are excluded as they are not considered to be part of the facility. Dynamic loads are addressed in ISO 19904-1, ISO 19901-6 and ISO 19901-7. This document specifies: a) requirements for managing and controlling weights and CoGs of assemblies and entire facilities; b) requirements for managing weight and CoG interfaces; c) standardized terminology for weight and CoG estimating and reporting; d) requirements for determining not-to-exceed (NTE) weights and budget weights; e) requirements for weighing and determination of weight and centre of gravity (CoG) of tagged equipment, assemblies, modules and facilities; This document can be used: f) as a basis for costing, scheduling or determining suitable construction method(s) or location(s) and installation strategy; g) as a basis for planning, evaluating and preparing a weight management plan and reporting system; h) as a contract reference; i) as a means of refining the structural analysis or model.
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