Code of practice for design and operation of ships´ derrick rigs.
NORM herausgegeben am 30.9.1976
Bezeichnung normen: BS MA 48:1976
Ausgabedatum normen: 30.9.1976
Zahl der Seiten: 42
Gewicht ca.: 126 g (0.28 Pfund)
Land: Britische technische Norm
Kategorie: Technische Normen BS
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. Status: Confirmed