This standard specifies requirements for the maintenance and repair of GRP sandwich type structures for HM ships, boats, craft, and structures. It includes the following

Identification of some of the principal defects, their causes and significance 

Procedure on inspection and survey 

Examples and implications of some principal defects together with remedial measures 

Some basic descriptions and definitions relating to sandwich structures 

This Defence Standard does not cover: 

Survey, report of survey and structural safety certification. This is covered by Def Stan 02-752 Part 1.

Maintenance and repair of single skin structures. This is covered by Def Stan 02-752 Part 2