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<br />above, 80.1"0 2'~ppl icabl$ t.o th'3 i\~S'~ubr;Z"cdG r.:)i]. gr(PJly}. For other 90il <br /> <br />groupa the following factors Bhall be employc1 to determine the total <br /> <br />minimum thioknes3 of the sub-bame an1 baBe. AdjuEtment tf the total thick- <br /> <br />ness shall be made iu the sub-baDe only 3:s:d the threo inch minimum thickness <br /> <br />of the base shall not be decreasod. <br /> <br />Subgrade Soil G~~up <br /> <br />A-2 <br />A-3 <br />A...4 <br />A-5 <br />A-7-6 <br />A-7-5 <br /> <br />Factor <br /> <br />75% <br />50% <br />125% <br />130% <br />130% <br />120% <br /> <br />Soil group classifications are in accordance with A.A.S.H.O. designation: <br /> <br />M 145-49.. <br /> <br />_Subdivision "d".. Bi tumlnOU9 Sur ,\~~cing. All streets shall be sur- <br />faced w,ti rpe.d-mix bituminona mat ha.ving a mi111mu:<'. thickness of three inches <br />using bituminous material at the typo an~ grade as speoified by the Engineer <br />and ag~regate 90nforming ~o the ,requirements of M.H.D. Speo.. #3139, <br /> <br />. - <br />Grade BA-2. The aggregate used for the b:l.tu-:ulnOllt3 'net shall be applied <br /> <br />to the street immediately prior to oommoncing bit~Qinous surfacing operations. <br /> <br />Subdivision "'e". IH tUI'..!lnouc Curb. B-1 t'.m.dncm3 curbing shall be <br />vonstructed on all Village stre:::<.:3 6:.0 U iit\l't ()f '~i;.€ 'bi tumln.ous surfacing <br /> <br />operation using stationary hot plen~ mix oon~i8ting 01 asphalt aggregate <br /> <br />and filler of the types and gl'ade~ 8J.C .:'peo:ti'iNl b;~ '~:.":1C 0ngineer. Curbing <br />~ <br />shall be installed by use a maohine dczi~ned and ~Rnufactured specifically <br />'1 <br /> <br />for that purpose. <br />Subdivision "tn'. Seal Coo t. A td.t.i.'lminotH3 S88,1 coat shall be <br />--~ <br /> <br />applied .to the finished bltuminou8 .B~r~aco after the installation af curbing.. <br /> <br />The Seal ooat shall be constructod i.n aC;";Q1i;"I'l.a,vco "t,r:ttll the requireMsnts ot <br /> <br />M. H. D.. speo.. #2356.. The type:s ",M~;':~ gI'a.:l\;1] 0.7 G1f'.lt'2,~1E,J..j and rate of a!Jplicat1,\)] <br /> <br />of the same shall be a3 speoified by the Epgineero <br /> <br />,=8... <br />