CREOSOriNC f7.WiV7.S- /'OW V/v'/T. / / /A'C; CHESTNUT I'Ol.ES 259 



(xisttioii without iH'iiiR tii-tl. Iiu-liiiiiiK ihr tank Im>I loins iDw.inl 

 the roar facilitati-s tlie draiiia.m" of oil from tluiii. 



The Ixjttom of ihc tank is practiralK- |HT(H'ii(liriiiar to the ()<)ies 

 as they stand on it, which niiniini/es llu- lendenry for the butts to 

 slip on tlie tank liottoni. In order to further pre\ent any danger 

 front this hap|K'ning, the Inittom of each lank is covered l>y extra 

 heavy Ir\ing grids similar to those used at subway ventilating open- 

 ings. These grills are supported by a suitable I-beam framework in 



lioHuTii 111 Trialiiii; lank Showing Horizontal Radiators anci (Iriil^ 

 Covering Them 



which the steel pipe radiators are placed. The grids do not inter- 

 fere with the circulation of the hot oil and form a good protection 

 for the radiators. 



Kach of the horizontal cold oil tanks has a capacit\' of about 14, ()()() 

 gallons. Tanks of this size will easily take a tank-car load of creosote 

 each, lea\ing some reserve capacity for residual ('il which may be in 

 the tanks at the time the additional cars of oil ;ire received. The 

 tank cars ordinarily carry from 8,000 to 12,000 gallons of oil. 



The hot oil tanks vary in capacity between 3,000 and 13,000 gallons 

 each, depending upon the sizes of the plants. One hot oil tank 



