Due to the high dust and noise in the scrap yard, special attention should be paid to the crane operator’s environment. Scrap Handling Cranes. Scrap handling cranes parameters: Load capacity: 5-20t. Span: 10.5-31.5m. Lifting height: 6-26m. Lifting speed: 30.7-39.3m/min. Trolley running speed: 31.1-44.6m/min.