FEM Table T.2.1.2.2.

Classes of Utilizzation

U9

FEM Table T.2.1.2.3.

Spectrum Classes

FEM Table T.2.1.2.4.

Appliance Groups

 Symbol

U0 

U1 

U2 

U3 

U4 

U5 

U6 

U7 

U8 

 Symbol

Q1 

Q2 

Q3 

Q4 

 Load Spectrum Class

 Q1

FEM Table T.2.1.2.5.

Guidance for group classification of APPLIANCE

 Q2 Q3 Q4

 Reference

 01 02

 03

 04

 05

 06

 07

 08 09

 10

 11

 12.a

 12.b

 13

 14

 15

 16

 17

 18 19

(1) Only a few typical cases of use are shown, by way of guidance, in this column.

FEM Table T.2.1.3.5.

Guidance for group classification of MECHANISM

Reference

 20 21

 22

 01 02

 03

 04

 05

 06

 07

 08 09

 10

 11

 12.a

 12.b

 13

 14

 15

 16

 17

(1) Only a few typical cases of use are shown, by way of guidance, in this column.

 18 19 20 21

 22

FEM Table T.2.1.2.2.

Classes of Utilizzation

FEM Table T.2.1.2.3.

Spectrum Classes

0.125

0.25

0.5

FEM Table T.2.1.2.4.

Appliance Groups

U0 U1

 Total duration of use (number nmax of hoisting cycles)

 <

16 000   < 

32 000   < 

63 000   < 

125 000   < 

 250 000  < 

500 000    <

1 000 000   < 

2 000 000   < 

4 000 000   < 

 <

 < 

 < 

 < 

A1  A1 

FEM Table T.2.1.2.5.

Guidance for group classification of APPLIANCE

A1  A1 A1  A2 A2  A3 

 Type of appliance  Particulars concerning nature of use (1) Designation

 Hand-operated appliances  - Erection cranes  - Erection and dismantling cranes for power stations, machine shops, etc.

 -

 Stocking and reclaiming trasporters

 Hook duty

 Stocking and reclaiming trasporters

 -

 Workshop cranes  Grab or magnet Overhead travelling cranes, pig-breaking cranes, scrapyard cranes

 -

 Ladle cranes  - Soaking-pit cranes  - Stripper cranes, open- heart furnace-charging cranes

 -

 Forge cranes  - Bridge cranes for unloading, bridge cranes for containers

 Hook or spreader duty

 Other bridge cranes (with grab and/or slewing jib crane)

 Hook duty

 Bridge cranes for unloading , bridge cranes (with grab and/or slewing jib crane)

 Grab or magnet

 Drydock cranes, shipyard jib cranes, jib cranes for dismantling

 Hook duty

 Cockside cranes (slewing, on gantry), floating cranes and pontoon derricks

 Hook duty

 Dockside cranes (slewing, on gantry), floating cranes and pontoon derricks

 Grab or magnet

 Floating cranes and poonton derricks for very heavy loads (usually greater than 100 ton)

 -

 Deck cranes  Hook duty Deck cranes  Grab or magnet

(1) Only a few typical cases of use are shown, by way of guidance, in this column.

FEM Table T.2.1.3.5.

Guidance for group classification of MECHANISMType of appliance

Designation

 Tower cranes for building  - Derricks  - Railway cranes allowed to run in train

 -

Particulars concerning nature of use (1)

 Hand-operated appliances  - Erection cranes  - Erection and dismantling cranes for power stations, machine shops, etc.

 -

 Stocking and reclaiming trasporters

 Hook duty

 Stocking and reclaiming trasporters

 -

 Workshop cranes  Grab or magnet Overhead travelling cranes, pig-breaking cranes, scrapyard cranes

 -

 Ladle cranes  - Soaking-pit cranes  - Stripper cranes, open- heart furnace-charging cranes

 -

 Forge cranes  - Bridge cranes for unloading, bridge cranes for containers

 Hook or spreader duty

 Other bridge cranes (with grab and/or slewing jib crane)

 Hook duty

 Bridge cranes for unloading , bridge cranes (with grab and/or slewing jib crane)

 Grab or magnet

 Drydock cranes, shipyard jib cranes, jib cranes for dismantling

 Hook duty

 Cockside cranes (slewing, on gantry), floating cranes and pontoon derricks

 Hook duty

 Dockside cranes (slewing, on gantry), floating cranes and pontoon derricks

 Grab or magnet

 Floating cranes and poonton derricks for very heavy loads (usually greater than 100 ton)

 -

(1) Only a few typical cases of use are shown, by way of guidance, in this column.

 Deck cranes  Hook duty Deck cranes  Grab or magnet Tower cranes for building  - Derricks  - Railway cranes allowed to run in train

 -

FEM Table T.2.1.2.2.

Classes of Utilizzation

<

<

¯<

<

<

<

¯<

<

FEM Table T.2.1.2.3.

Spectrum Classes

kp<

kp<

kp¯

kp<

FEM Table T.2.1.2.4.

Appliance Groups

U2 U3

Total duration of use (number nmax of hoisting cycles)

 nmax¯ 

 nmax ¯ 

  nmax <

 nmax ¯ 

 nmax ¯ 

 nmax ¯ 

 nmax ¯ 

 nmax  <

 nmax ¯ 

 nmax ¯ 

 Spectrum Factor kp

¯ 

¯  <

¯ 

 Class of utilization

A1  A2 

FEM Table T.2.1.2.5.

Guidance for group classification of APPLIANCE

A2  A3 A3  A4 A4  A5 

 Appliance group

 A1 - A2 A1 - A2

 A2 - A4

 A5

 A6 - A8

 A3 - A5

 A6 - A8

 A6 - A8 A8

 A8

 A6 - A8

 A5 - A6

 A4

A6 - A8 

 A3 - A5

 A5 - A6

 A6 - A8

 A2 - A3

 A3 - A4 A4 - A5

(1) Only a few typical cases of use are shown, by way of guidance, in this column.

FEM Table T.2.1.3.5.

Guidance for group classification of MECHANISMType of mechanism

Hoisting Slewing

 A3 - A4 A2 - A3

 A4

 M1 -  M2 - M3 M2 - M3 

 M2 - 

 M5 - M6 M4 

 M7 - M8 M6 

 M6 M4 

 M8 M6 

 M7 - M8 -  M8  M6

 M8 M6 

 M8 - 

 M6 - M7 M5 - M6 

 M4 - M5 M4 - M5 

 M8 M5 - M6 

 M5 - M6 M4 - M5 

 M6 - M7 M5 - M6 

 M7 - M2 M6 - M7 

 M3 - M4 M3 - M4 

(1) Only a few typical cases of use are shown, by way of guidance, in this column.

 M4 M3 - M4  M5 - M6 M3 - M4 

 M4  M5   M2 - M3 M1 - M2 

 M3 - M4 M2 - M3 

FEM Table T.2.1.2.2.

Classes of Utilizzation

FEM Table T.2.1.2.3.

Spectrum Classes

0.125

0.25

0.5

1

FEM Table T.2.1.2.4.

Appliance Groups

U4 U5

 16 000

32 000 

63 000 

 125 000

250 000 

500 000 

1 000 000 

 2 000 000

4 000 000 

Class of utilization

A3  A4 

FEM Table T.2.1.2.5.

A4  A5 A5  A6 A6  A7 

FEM Table T.2.1.3.5.

Guidance for group classification of MECHANISMType of mechanism

Luffing Traverse

M1 - M2-  M1 

M1 - M2 

-  M2 

-  M4 - M5 

-  M6 - M7 

-  M4 

-  M6 - M7 

-  M4 - M5 -  M7 

-  M7 

-  M5 

M3 - M4  M6 - M7 

-  M4 - M5 

M3 - M4  M7 - M8 

M4 - M5  M4 - M5 

M5 - M6  -  

M6 - M7  - 

M3 - M4  - 

-

(1) Only a few typical cases of use are shown, by way of guidance, in this column.

 M3 - M4 M2 M4 - M3  M4 - M5 

M4  M3 M1 - M2  - 

M2 - M3 

Appliance Groups

U6 U7 U8 U9A5  A6  A7  A8 

FEM Table T.2.1.2.5.

A6  A7  A8  A8 A7  A8  A8  A8 A8  A8  A8  A8 

FEM Table T.2.1.3.5.

Guidance for group classification of MECHANISMType of mechanism

TravelM1 

M2 - M3 

M2 

M5 - M6 

M7 - M8 

M5 

M7 - M8 

M6 - M7 M8 

M8 

M6 

M4- M5 

M4- M5 

M4 - M5 

M5 - M6 

M3 - M4 

M4 - M5 

- 

(1) Only a few typical cases of use are shown, by way of guidance, in this column.

M3 M3 - M4 

M3 - 

-