Waterbury evening Democrat., 1905-07-18

been completed. The piece of road
 chosen for this purpose lies south of 1 Townshend hall and is an extension of Neil avenue. It was the worst piece
 Of road on the campus, being built largely of cinders. All of the coal for
 the central heating plant of the uni
 versity has been hauled over this road
 for several years; the coal used for this purpose each year amounts to 10,- poo tons and the hauling is done with
 three and four-horse teams, hauling from five to seven-ton loads.
 One of the chief objects of the agri
 cultural department in building these
 object lesson roads over the country
 is to show the kind of road which can
 be built with the material to be found
 in the vicinity in which the road is
 built. Mr. Jay F. Brown. special agent
 of the office of public road inquiry, was
 placed in charge of the work on the
 university campus. After a careful in
 Vestigation of the road material in the
 vicinity of Columbus, he decided to
 build the road of crushed granite field
 boulders. Most of the macadam roads about Columbus have been built from the Columbus limestone, which is a rather soft limestone and will not stand the wear of heavy traffic. In the summer it becomes dusty and in the winter muddy, and ruts are soon cut into such a road.
 The terms on which the government eooperates in building these roads are that the parties for whom the road is built shall furnish the material and common labor, and the government furnishes the machinery and skilled labor. The road on the university cam pus was built as follows:
 It was eXcavated nine inches deep and IS feet wide and the grade, which was IF per cent. in the steepest part, was cut to four per cent. It was then filled in four inches with broken brick and stone from the remains of the chemical building, which was burned on the university campus last winter. This was packed down with a 13-ton road roller. Upon this was placed five Inches of crushed granite boulders. crushed in three different grades with | stone crusher The largest size of these crushed boulders would pass through a ring two and half-to three inches in diameter. These were packed town with the road roller and then with sand to i'll the crevices. and again rolled.
 Upon this was placed the second grade of crushed boulders. which ran from one inch 10 one and a half inches in diameter. This was sprinkled with ! street sprinkler and again rolled and hen the finest grade. none of which was over one-half inch in diameter. xas used for surfacing, and after being 'prinkled and rolled. made a hard. 'mooth surface. It took 4s5 tons of rushed bollders to build 75O feet of 'oad. and the balance of the road. s5 eet, was built of limestone so as to tive comparative test of the two ma erials side by side in the same road. . [ cost sl.s0 per ton for these crushed l 'oulders delivered from the stone . rlIsher. on the road. The entire cost f the s35 feet was sl.s25, or s7 cents . 'er square yard. Where the supply of . 'oulders is more plentiful. of course he road could be built much cheaper. $ the largest expense was in the cost f the bOulders. The road was built Inder the supervision of George |. . ,ooley. of the department of agricul- ure. and is one e the feV model roads which have been built in 0hio-H. c. . 'rice. dean of the Ohio College of Ag-i- uIture.