. Railroad structures and estimates . DETAIL OF PEDESTALAND RAILS Fig. 253. Depressed Ash Car Track. 534 MECHAXICAL ASH PL.\XTS. stand while loading the cinders. The platforms are coveredwith steel plates nicked ^ith cold chisels to insure safe running tracks are 12-ft. centers and drainage is pro\idedon either side of the depressed loading track. The approximate cost of this type of cinder pit for estimatingpurposes may be figured at SlOO per runniiig foot. Fig. 253 is another type of depressed ash pit, with pedestalsupports and cantilever floor. Mechanical Ash Plants. —
. Railroad structures and estimates . DETAIL OF PEDESTALAND RAILS Fig. 253. Depressed Ash Car Track. 534 MECHAXICAL ASH PL.\XTS. stand while loading the cinders. The platforms are coveredwith steel plates nicked ^ith cold chisels to insure safe running tracks are 12-ft. centers and drainage is pro\idedon either side of the depressed loading track. The approximate cost of this type of cinder pit for estimatingpurposes may be figured at SlOO per runniiig foot. Fig. 253 is another type of depressed ash pit, with pedestalsupports and cantilever floor. Mechanical Ash Plants. — Ashes are best handled in bulk, sothat most mechanical plants are arranged to dump the ashesdirectly into small cars or buckets under the engine tracks, thesmall cars running on tracks at right angles to the pit so thatthey can be pulled out and hoisted by trolley, crane, or otherde\4ce and automatically dumped into the cinder car. Gantry Crane. (Fig. 254.) — The trolley beam is hinged atone end and is worked bv air cvUnder. with sheaves fastened to
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