. Electric railway journal . ILE DRAIN AT RIGHT spaced 5 ft. centers. Wooden ties were used only underspecial work. As shown in the accompanying drawings,two classes of concrete were used, as follows: Type Afor topping, containing 1 part cement, 11 £ parts sandand 2X •> parts of gravel, graded to pass a mesh;Type B for foundations, containing 1 part cement,3 parts sand and 6 parts of gravel, graded to pass a2-in. mesh. The top concrete was laid to a drpth of2V> in. on a screen of No. 7 American Steel & Wire rails, and that the only other paving comprises the noseand plain blocks of sands
. Electric railway journal . ILE DRAIN AT RIGHT spaced 5 ft. centers. Wooden ties were used only underspecial work. As shown in the accompanying drawings,two classes of concrete were used, as follows: Type Afor topping, containing 1 part cement, 11 £ parts sandand 2X •> parts of gravel, graded to pass a mesh;Type B for foundations, containing 1 part cement,3 parts sand and 6 parts of gravel, graded to pass a2-in. mesh. The top concrete was laid to a drpth of2V> in. on a screen of No. 7 American Steel & Wire rails, and that the only other paving comprises the noseand plain blocks of sandstone which sandwich each rail. The accompanying halftones will give a good idea ofthe manner in which this work is done. The first half-tone shows the excavation ready to receive the tiesand the trench in which the drain tile is laid. The sec-ond view shows the rail fastened to the ties and the clipsall in place, before surfacing, and with the tile drain inthe devil strip in process of laying. The third and 8 3 H 4 8K. SECTION C-D Electric tl SALT LAKE & OGDEN RAILWAY—STANDARD CONCRETE TRACK WITH STEEL TIES 190 ELECTRIC RAILWAY JOURNAL [Vol. XLV, No. 4 fourth views show the actual process of laying con-crete. Traffic was maintained in the dirt track whilethe concrete construction was being placed. To makethis possible large chutes were constructed, and thesewere moved only during the time cars were actuallypassing. The concrete was poured through these chutesdirect from the mixer to the track. The topping, how-ever, was wheeled in barrows from a smaller to commencing the work a supply of sand andgravel had been dumped along the side of the street sothat there was very little wheeling of raw fifth view shows the finished job, with Consol-
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