. Water & sewage works . from Engineering Supplement, London Times. Trinidad Lake Asphalt has been used for the construction of something like 170,-000,000 square yards of city pavements. The oldest smooth pavements now in existence after morethan a quarter of a century of service are Trinidad pavements. The pavements showing the lowest maintenance costs forthe longest period of life are Trinidad pavements. It is not likely that the worlds most progressive commu-nities would continue to use Trinidad Lake Sheet Asphalt toan ever-increasing extent if any better type of pavement hadbeen devised,
. Water & sewage works . from Engineering Supplement, London Times. Trinidad Lake Asphalt has been used for the construction of something like 170,-000,000 square yards of city pavements. The oldest smooth pavements now in existence after morethan a quarter of a century of service are Trinidad pavements. The pavements showing the lowest maintenance costs forthe longest period of life are Trinidad pavements. It is not likely that the worlds most progressive commu-nities would continue to use Trinidad Lake Sheet Asphalt toan ever-increasing extent if any better type of pavement hadbeen devised, or if any better material was available. And not only is Trinidad Sheet Asphalt the worlds high-est paving standard—it is among the lowest in first cost andthe most economical in the long run. Engineers, contractors and taxpayers may well considerthese facts in connection with plans for new paving. The Barber Asphalt Paving Co, PHILADELPHIA, PENN. 296 MUNICIPAL ENGINEERING. POnrULt mAQOH LOMCR for 5*N0 *-• STONt SECTION of liiik-bilt portable excavatormachine. a?i(? loadiiifi is screened out and delivered to cartsdrawn up along one side of the other chute collects the clean stonecoming off the end of the screen andpasses it out the other side of the load-er. This stone may again he used for con-crete purposes. One advantage in the use of the loaderis that the men shoveling the loosenedmacadam into the trailer do not have sohigh a lift as if they were loading it di-rectly into the dump carts. The machineis so arranged that the belt-conveyortrailer at the foot and the rotary screenand the chutes at the head can be takenoff the portable elevator frame and a di-rect chute placed under the head of theelevator, so that the machine can be usedfor loading concrete materials, such ascrushed stone and sand, from storagepiles to carts. The contracting company finds thatwith three men on the stone pile and afourth to operate the clutch and controlthe lo
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsewerage, bookyear191
