BS MA 48:1976
Current
The latest, up-to-date edition.
Code of practice for design and operation of ships\' derrick rigs
Hardcopy , PDF
English
30-09-1976
Nomenclature; illustrations of form of rigs with typical head fitting of blocks; estimates of rope tensions; typical load diagrams; union purchase rig; estimating loading on various components; safe working loads of slewing guys for swinging derricks; single sheave block safe working loads; care and maintenance.
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