. Water & sewage works . Thesesections were in fine condi-tion, especially the trap rocksection. There are IS or 20transverse cracks, about halfof them repaired by fillingwith tar. Most of the cracksare in the gravel section,where they are 40 to 60 feetapart. Gravel, limestone andtrap rock, plain and oil con-crete sections are alternatedso as to make the results asfair as possible to all materi-als. Part of these sectionswere laid late in 1912 andpart early in 1913. The sec-tion at the north end has nooil in the concrete and has 7per cent, of hydrated lime inthe cement. It has 3 ro
. Water & sewage works . Thesesections were in fine condi-tion, especially the trap rocksection. There are IS or 20transverse cracks, about halfof them repaired by fillingwith tar. Most of the cracksare in the gravel section,where they are 40 to 60 feetapart. Gravel, limestone andtrap rock, plain and oil con-crete sections are alternatedso as to make the results asfair as possible to all materi-als. Part of these sectionswere laid late in 1912 andpart early in 1913. The sec-tion at the north end has nooil in the concrete and has 7per cent, of hydrated lime inthe cement. It has 3 rock plain concrete cost$ a square yard. Oilcement concrete cost $ gravel aggregate, $ limestone and $ fortrap rock. The vitrified brick sectionwas laid April 29 to May 7,1913, under the supervision ofW. P. Blair, the secretary ofthe National Paving BrickManufacturers kinds of brick wereused, with rattler losses rang-ing from to percent., and the entire surface. LAYING brick mi Oinii rims, .sniniih Thetwo-inch sand cushion is shown in front and theroller is following closely behind the brick-layinggang.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsewerage, bookyear191
