ProservCrane Group ® Crane Classifications Typical # Lifts Average Typical Crane Classification Installation per/hr. Lift Shift Workload Key Points Class A Power Houses 0 - 2 10 ft. Single Shift • Precise handling at slow speeds • H1 Hoist Standby or Infrequent Service Public Utilites Operation with idle periods between lifts • Maintenace crane in machine house Turbine Rooms • Capacity loads may be handled • Used only occasionally Motor Rooms for intial installation of equipment Transformer Stations and for infrequent maintenance Class B Repair Shops 2 - 5 10 ft. Single Shift • Loads vary from no load to • H2 Hoist Light Service Light Assembly Operations Operation occasional full rated loads • Light service requirements Light Warehousing • Slow speed Class C Machine Shops 5 - 10 15 ft. Single Shift • Average load is 50% or less of • H3 Hoist Moderate Service Paper Mills Operation rated load • Minimum 1.15 service factor on bridge motion Machine Rooms • 50% of less of the lifts are at the • 5,000 L-10 bearing life rated capacity Class D Heavy Machine Shops 10 - 20 15 ft. 1 - 2 Shift • Loads approaching 50% are • H4 Hoist Heavy Service Foundries Operation constantly handled • Minimum 1.3 service factor on bridge motion Fabricating Plants • 65% or less of the lifts are at the • 10,000 L-10 bearing life Steel Warehouses rated capacity • Lift the maximum capacity with 30% frequency Container Yards • Typically faster speeds over Class C Lumber Mills Stanadard Duty Bucket & A Built-Up Hoist is typically used in this type Magnet Operations of application. A Built-Up Hoist is tailored towards a specific application with a heavy duty cycle to handle the demanding needs. Class E Magnet 20+ 20+ ft. 24/7 • Constant handling of loads at or • H4+ Hoist Severe Service Bucket near capacity • Minimum 1.75 service factor on bridge motion Magnet/Bucket Combo • 20,000 L-10 bearing life Scrap Yards • Constant lifts at the maximum capacity Cement Mills • Typically faster speeds over Class C and D Lumber Mills Fertilizer Plans A Built-Up Hoist is typically used in this type Container Handling of application. A Built-Up Hoist is tailored towards a specific application with a heavy duty cycle to handle the demanding needs. © 2011 ProservCrane Group. www.proservcrane.com | 800.835.2223 ® Conversion Chart Hoist Classification Corresponding Crane Class Corresponding Crane Class FEM HMI ISO CMAA DIN 15018 EXAMPLE & SIM. 1Cm H1 M2 CLASS A H1/B2 • Maintenace crane in machine house • Used only occasionally 1Bm H2 M3 CLASS B H1/B2 • Light duty work shop crane • Low average loads • Single shift operation • Maximal load lifted occasionally 1Am H3 M4 CLASS C H2/B3 • Light/Med duty work shop crane • Medium average loads • Single shift operation • Occasionally lifting of max load 2m H4 M5 CLASS D H2/B3 • Heavy duty crane, 2 shift operation • Regular medium and heavy loads • 1 or 2 shift operation 3m H4 M6 CLASS D H2/B3 • Med/heavy duty work shop crane or • Nominal load regularly lifted H3/B4 • Traverse or other dead loads below the hook 4m H4 or H5 M7 CLASS D H3/B4 • Very heavy duty crane • Grab or magnet below the hook or or • 2 - 3 shift operation • Regular heavy loads CLASS E H4/B6 Key: FEM = Federation Europeenne de la Manutention (European Federation of Material Handling) CMAA = Crane Manufacturers Association of America HMI = Hoist Manufacturers Institute DIN = Deutsches Institut für Normung ISO = International Organization for Standardization © 2011 ProservCrane Group. www.proservcrane.com | 800.835.2223 .