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RA <br /> Project No. 90161.e <br /> 7 June 1990 <br /> R <br /> sGuide S ecifications for Rock lander Floor Slabs <br /> GJ � <br /> Def in n <br /> �} rade shall <br /> Graded gravel or crusiied rock for use under slab-on-grade <br /> egate Place <br /> �.= consist of-a minimum thickness of mineral aggrd �n <br /> ecifications and in conformity w <br /> accordance with these spith the <br /> minimum thickness is <br /> dimensions shown on the plans. The <br /> � -" <br /> specified in the accompanying report, <br /> - Materia;is <br /> ate shall consist of broken stone, <br /> crushed or <br /> The mineral aggreg The <br /> waste or a combination thereof. <br /> uncrushed gravel, quarry <br /> loam, <br /> aggregate shall be free from adobe, <br /> vegetable matter, <br /> volcanic tuff and other deleterious substances. It shall be of <br /> e <br /> such quality that the absorption of water in. a saturated surface <br /> dry weight of the. <br /> condition does not exceed 3% of the oven <br /> ,. <br /> dry <br /> sample. <br /> f 29 <br />