Non-road fuel consumption and pollutant emissions ... - BAFU - CH
Non-road fuel consumption and pollutant emissions ... - BAFU - CH Non-road fuel consumption and pollutant emissions ... - BAFU - CH
Non-road fuel consumption and pollutant emissions FOEN 2008 46 6 > Inventories and operating hours of the individual machine categories 6.1 Construction machinery The division of construction machines into sub-categories is largely based on the classification system used by CORINAIR. The figures concerning the inventory and operating hours have been estimated by specialists in the workgroup using the data in the database of the Swiss Federal Vehicle Inspection Office and with the aid of an adjustment factor for non-registered machines. There are no official statistics other than those in the above database. The division by engine-power classes was carried out on the basis of available data, together with information provided by the manufacturers and the Swiss Association of Master Builders (SBV). The estimate of specific operating hours for individual machines was based on available literature (SBV 1999, IFEU 2004), building and population statistics for Switzerland (FSO 2002) and experience of specialists in the workgroup. Here, assumptions were made regarding the higher or lower degree of utilisation of construction machines, depending on the market situation. Inventory Figure 21 shows the inventory of construction machines by machine type (top left: only types with an inventory > 1000 machines) and engine-power class (top right). The largest group is stampers/vibrators (10,500 17 ), followed by compressors (8080) and hydraulic excavators (8000). Three-quarters of construction machines are operated with diesel engines, while it is only stampers/vibrators and emergency power generators that primarily use petrol engines. In terms of engine power, the distribution of construction machines is fairly even among all engine-power classes up to 300 kW. Operating hours and their chronological development from 1980 to 2020 The development of operating hours of construction machines by engine-power class and engine type is depicted in the lower half of Figure 21. Here the assumption is that, following a sharp increase in operating hours between 1980 and 1995, a slight decline in activity is to be expected in the next few years. At the same time, a shift takes place from small (petrol-powered) appliances to large diesel machines and in the direction of a rationalisation effect, i.e. the specific operating hours per machine increase (not apparent from the lower half of Fig. 21). 17 10,500 = 5650+1850+3000 (2-stroke and 4-stroke petrol plus diesel)
6 > Inventories and operating hours of the individual machine categories 47 Fig. 21 > Construction machinery: inventories in 2005 and development of operating hours Top left: only types with an inventory > 1000 machines. Reference year for inventory, 2005. Inventories by machine type Inventories by engine-power class total: 47,350 1250 4120 2450 5650 3180 18 5650 8080 1850 7770 5150 3000 2050 6540 4000 8000 10,700 6900 8340 Rolling mill engines of all types Hand-operated stampers, vibrators Hydraulic excavators Loaders (rubber-tyred and crawler) of all types Dumpers and tippers Emergency power supply systems/generators Compressors of all types Other machine types (je
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- Page 11 and 12: Summary 9 Calculation methodology E
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6 > Inventories <strong>and</strong> operating hours of the individual machine categories 47<br />
Fig. 21 > Construction machinery: inventories in 2005 <strong>and</strong> development of operating hours<br />
Top left: only types with an inventory > 1000 machines. Reference year for inventory, 2005.<br />
Inventories by machine type<br />
Inventories by engine-power class<br />
total: 47,350<br />
1250<br />
4120<br />
2450<br />
5650<br />
3180<br />
18<br />
5650<br />
8080<br />
1850<br />
7770<br />
5150<br />
3000<br />
2050<br />
6540<br />
4000<br />
8000<br />
10,700<br />
6900<br />
8340<br />
Rolling mill engines of all types<br />
H<strong>and</strong>-operated stampers, vibrators<br />
Hydraulic excavators<br />
Loaders (rubber-tyred <strong>and</strong> crawler) of all types<br />
Dumpers <strong>and</strong> tippers<br />
Emergency power supply systems/generators<br />
Compressors of all types<br />
Other machine types (je
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