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Project No. 90161.e <br /> 7 June 1990 <br /> Gradin <br /> The mineral aggregate shall be of such size that the percentage <br /> composition by dry weight, as determined by laboratory sieves <br /> (U.S. Sieve) will conform to the following gradation: <br /> �' assin <br /> sieve size <br /> ercenta <br /> 100 <br /> f <br /> 3/4 <br /> 10-35 <br /> no. 4 <br /> ,..: 0-7 <br /> No. 200 <br /> -a <br /> Placid <br /> f„ <br /> upon which ravel or crushed rock is to be laced, <br /> g P <br /> Subgrade, P <br /> tlined in the accompanying geote <br /> shall be prepared as ouchnical <br /> engineering tudy. <br /> r <br /> i <br /> 30 <br />