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The use of this document enables the safety and serviceability of half-joints to be managed and assessed, providing key information that is required to manage risks and maintain a safe and operational network. This document has been developed to replace the documents IAN 53/04 and BA 39/93, and also replaces the content previously in 220.127.116.11 of BD 44/15.
The approach for risk management of half-joint structures has been developed based on current guidance towards risk management of structures from the industry, as well as GG 104 [Ref 10.N]. The approach for structural assessment of half-joint structures has been developed to enable typical half-joint structures to be assessed without departures from standard, even where they include details that do not conform with modern design requirements.