Figure 1-4. Crane and jib working ranges.
Height from top of stock pile to boom point ...................... 15 ft
(21) Clamshell working ranges.
Clamshell
Height of stock pile .......................................................... 25 ft
working ranges are illustrated in figure 1-5 and
Width of stock pile (approximate) ..................................... 60 ft
dimension of ranges are listed below.
Height of bin .................................................................... 24 ft
Half width of bin ............................................................... 12 ft
Operating Radius (bin) (45boom angle) ......................... 40 ft
Boom length .................................................................... 50 ft
Operating radius (stockpile) (45boom angle )................. 40 ft
1-8
