Confidential HOIS documents

Most HOIS reports and recommended practice (RPs) or guidance documents are confidential to HOIS members. For a complete list of current confidential HOIS RPs, click here.
Publicly available documents
A number of documents produced by HOIS are publicly available and not restricted to members.
Documents currently available are:
  • HOIS Guidance on in-service inspection and integrity management of caissons, 2014
  • HOIS Recommended Practice for the In-Service Inspection of Wall Loss in Pipes by Digital Radiography, 2015
  • HOIS recommended practice on weld corrosion inspection, 2012
  • HOIS good practice for ISI of offshore composite components, 2012
  • Recommended practice for non-intrusive inspection DNV-RP-G103 (based on HOIS NII decision guidance project), 2011.


To download these documents please complete the form below.

Note, your email address must be your company email address.


I'm interested in:
Caisson in-service inspection and integrity management
Computed Radiography Inspection
Weld Corrosion Inspection
Offshore Composite Components Inspection
Non-intrusive examination of pressure vessels


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