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amount angle of repose angles asphalt pavements asphaltum average binder course bituminous bituminous rock brick broken stone centre clay clean coal-tar compacted concrete condition construction contract contractor cost covered crushing cubic foot cubic yard culvert curb defective degrees Fahr depth diameter ditches drains durable earth embankment employed engineer excavation feet filled foundation frost grade granite blocks gravel gutter heated horses hydraulic hydraulic cement inches deep inches thick inclination iron joints labor laid layer length less lime limestone load Macadam mastic material ment mile mixed mixture mortar paving placed Portland cement pounds powder proportion quantity rammed removed repairs resistance road roadway rock rolled roller Rosendale sandstone side slopes Specific Gravity specifications spread square inch square yard street strength surface TABLE temperature tensile tensile strength tion tons traffic uniform varies vehicles wear weather weight wheels width wood pavements
Page xxx - They will here meet with rutts which I actually measured four feet deep, and floating with mud only from a wet summer...
Page 541 - ... any improper materials used in its construction, or by or on account of any act or omission of the said Contractor or his agents...
Page 541 - All loss or damage arising out of the nature of the work to be done under this agreement, or from any unforeseen obstructions or difficulties which may be encountered in the prosecution of the same, or from the action of the elements, or from incumbrances on the line of the work, shall be sustained by the said Contractor.
Page 311 - ... sources are not isolated, and the whole mass of the soil forming the side slopes appears saturated, the drainage may be effected by excavating trenches a few feet wide at intervals to the depth of some feet into the side slopes, and filling them with broken stone, or else a general drain of broken stone may be made throughout the whole extent of the side slope by excavating into it. When this is deemed necessary, it will be well to arrange the drain like an inclined retaining-wall, with buttresses...
Page 310 - ... which are made a few feet wide and have a ditch on the inner side to receive the surface-water from the portion of the side slope above them. These benches catch and retain the earth that may fall from the portion of the side slope above.
Page 558 - ... nor assert that there was any misunderstanding in regard to the nature or amount of the work to be done.
Page 565 - ... all loss or damage arising out of the nature of the work aforesaid, or from the action of the elements, or from any unforeseen obstructions or difficulties which may be encountered in the prosecution of the same...
Page 347 - The determination of the values of the different factors entering into the problem is almost wholly a matter of judgment. An estimate for any one of the above factors is liable to be in error from 100 to 200 per cent, or even more, and of course any result deduced from such data must be very uncertain. Fortunately, mathematical exactness is not required by the problem nor warranted by the data. The question is not one of 10 or 20 per cent of increase; for if a 2-foot pipe is...
Page 282 - ... line being adopted, the course of the road should be made to deviate from the direct line, and follow the winding course which such a condition is supposed to necessitate. In the second case, that of two places situated on opposite sides of the same valley, there is, in like manner, the choice of a perfectly straight line to connect them, which would probably require a...