CITY MILK PLANTS: CONSTRUCTION AND ARRANGEMENT. 13 
outside, the truck can be quickly unloaded and another driven up 
immediately and unloaded. Usually two or more trucks can be un- 
loaded at one time, which is not the case if they are unloaded within 
the plant. 
Some plants with platforms outside greatly expedite the unloading 
and dumping of the milk by the use of roller conveyers. The plat- 
form should be covered to protect the workmen from the weather. 
The cans as they are removed from the truck are placed on the con- 
veyers, on which they are carried to the dump or weigh tank. The 
cans may then be rolled on more conveyers to the can washer and 
thence to the can racks or back to the trucks. If the milk is received 
in this way the receiving room can be kept cleaner and the work can 
be done much more economically than if the trucks are driven into 
the building. | 7 
The unloading platform should be as close as possible to the re- 
ceiving room and should be level with the floor of the truck, so that 
the cans of milk may be readily rolled. from the truck. By having 
the dump tank ‘close to the receiving platform and also lowered to 
the level of the floor, milk may be handled rapidly and with few 
men. It is desirable, however, to have the receiving room well in- 
closed and far enough from the street to reduce to a minimum the 
chances of contamination of the milk from that source. At many 
plants the platform can be most advantageously placed at some dis- 
tance from the receiving room, even though more time and men may 
be required to receive and dump the milk. At such plants, much time 
and labor can usually be saved by the use of conveyers. 
The plant should be so arranged that there will be no confusion of 
the milk trucks with the delivery wagons. A convenient arrangement 
is to have the receiving platform on one side of the building and the 
loading platform for delivery wagons on the other side. 
In Table 1 a comparison is made of a few plants to illustrate three 
methods of arrangement for receiving the milk. 
TABLE 1.—EHconomy of various arrangements of plants for receiving and 
dumping milk. 
{ 
Average 
Average “i Average os u 
Number] MBE | number | AYeraee] Average nours ofA pease | Average 
Type of plant. plants, {Teceived of ae per labor per labors per 100 | handled 
: per, plant, | Plant. | plant.1 eee cans. {per hour. 
plant. ; : 
Truck unloaded inside plant 
and milk either dumped at 
ground floor or sent up- 
stairs on elevators (no plat- Hours. Hours. 
TOLTMSHUISEO)) Se 3 207 B83 2.5 8.3 4.0 1.2 82.6 
Trucks unloaded at platform ° 
and milk sent to receiving 
- room on conveyers_.-..---- 8 643 4 4 19.0 2.9 -8 121 
Trucks unloaded at platform 
and milk dumped in tank 
se Ie [Da eae Seca el tee 2 500 Da5 cue Bh7 1% . 65 154 
1 “Man hours.”’ 
