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Simplifying the specification of the right quality of linepipe

Simplifying the specification of the right quality of linepipe

The EEMUA (Engineering Equipment and Materials Users Association) is renowned for publishing guidance notes, codes of practice, and specifications dealing with the design, construction, maintenance, and safe operations of engineering equipment and installations.

by Roger Howard, EEMUA, London, UK 

Many of these documents have gained wide acceptance and are used by the engineering community around the world.

A typical example of worldwide application is EEMUA 158, Construction specification for fixed offshore structures.

This document, originally based on North Sea experience, has been used for construction in both northern and southern hemisphere offshore environments and negates the need for individual company fabrication specifications, being accepted as an authoritative text by both operators and fabricators.

Notably, EEMUA 158 is a recommended fabrication specification within Appendix A, ISO 19902: Petroleum and natural gas industries – Fixed steel offshore structures.

The current low oil price and the associated economic climate in the oil and gas sector is fuelling a drive towards greater efficiencies and the use of common specifications, such as EEMUA 158, are receiving particular attention, in order to minimise field development, operations, and maintenance costs.

With this in mind, EEMUA has prepared an addendum to API 5L/ISO 3183 based on specific requirements for both onshore and offshore line pipe materials: EEMUA 233: Line-pipe specification – Clauses in addition to API 5L / ISO 3183.

Whilst API and ISO are well-established linepipe material standards, they fall short in a number of areas of concern to EEMUA members and other pipeline operators.

Consequently, these documents are generally accompanied by a company-specific Addendum when linepipe is ordered.

A plethora of company addenda exist and EEMUA 233 has been prepared in order to present a single Addendum, covering the areas of concern, acceptable to the pipeline community.

Clearly, individual project requirements will inevitably lead to a number of specific testing requirements for individual pipelines but EEMUA 233 is designed to accommodate these requirements whilst ensuring delivery of the highest possible quality linepipe.

EEMUA Publications are available to purchase directly from EEMUA through its online shop. Participants in EEMUA member companies can download complimentary digital copies.

For more information visit the EEMUA website.

If you have news you would like covered in Pipelines International contact Assistant Editor Nick Lovering at nlovering@gs-press.com.au

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