
Floating Cranes and Floating Derricks
NORMA vydaná dňa 2021
Označenie normy: ASME B30.8:2020
Dátum vydania normy: 2021
Počet strán: 45
Približná hmotnosť: 135 g (0.30 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASME
B30.8 applies to cranes and derricks mounted on barges or pontoons. Floating cranes are convertible for excavation service and other uses that are categorically not considered to be lifting service. The requirements of this volume are applicable only to floating cranes and floating derricks used for vertical lifting and lowering of freely suspended unguided loads.