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*121 <br /> Z o - ' 7 % DISTANCES'FROM CENTER OF ROADWAY FOR <br /> CROSS-SECTIONING. <br /> j•lm Jr�' t Roadwa f _ <br /> b y 16 feet wide. Side Slopes 1 on 1� <br /> !' 3 3 For Single Track Embankment. = ` <br /> :1 L <br /> 142/ 0 1 .1 .2 I .3 I .4 1 .5 .6 1 .7 I .8 .9 If- <br /> 0 <br /> 0 8.0 8.2 8.3 8.5 8.6 8.8 8.9 9.1 9.2 9.4 0 <br /> 1 '� 1 9.5 ' 9.7 9.8 10.0 10.1 10.3 10.4 10.(} 10.7 10.9 1 <br /> - _ 2 11.0 11.2 11.3 11.5 11.6 11.8 11.0 12.1 12.2 12.4 2 <br /> 3 12.5 12.7 12.8 13.0 13.1 13.3 13.4 13.6 13.7 13.9 3 <br /> 4 14.0 14.2 14.3 14.5 14.6 14.8 14.9 15.1 15.2 15.4 4 <br /> C `G 2,1 4 �'j / b 16.5 15.7 15.8 16.0 16.1 16.3. 16.4 16.6 16.7 16.9 5 <br /> y-s.y6 6 17.0 17.2 17.3 17.5 17.6 17,81 17.9 18.1 182 18.4 6 <br /> 3 73_ J 7 18.5 18.7 18.8 19.0 19.1 19.3 19.4 19.6 19.7 19.9 7 <br /> - 8 20.0 20.2 20.3 20.5 20.6 20.8 20.9 21.1 21.2 21.4 8 <br /> 9 21.5 21.7 21.8 22.0 22.1 22.3 22.4 22.6 ,2E.7 22.9 9 <br /> 10 23.0 23.2 23.3 23.5 23.6 23.8 23.9 24.1 24.2 24.4 10 <br /> 11 24.5 24.7 2-4.8 25.0 25.1 25.3 25.4 25.6 25.7 25.9 11 <br /> 0; 12 26.0 26.2 26.3 26.5 26.6' 26.8 26.9 27.1 27.2 27.4 12 <br /> -L;Lw13 27.5 27.7 27.8 28.0 28.1 28.3 28.4 28.6 28.7 28.9 13 <br /> 14 29.0 29.2 29.3 29.5 29,6 29.8 29.9 30.1 30.2 30.4 14 <br /> _ ! 15 30.5 30.7 30.8 31.0 31.1 31.3 31.4 31.6 31.7 31.9 15 <br /> 16 32.0 °ft% 32.3 32.5 32.6 32.8 32.9 33.1 33.2 33.4 10 <br /> 17, 33.5 33.7 33.8 34.0 34.1 34.3 34.4 34.6 34.7 34.9 17 <br /> 18 35.0 35.2 35.3 35.5 35.6 35.8 35.9 36.1 36.2 36.4 18 <br /> J , 19 36.5 36.7 36.8 37.0 37.1 37.3 37.4 37.6 37.7 37.9 19 <br /> 20 38.0 .38.2 38.3 38.5 38.6 38.8 38.9 39.1 39.2 39.4 20 <br /> rr 21 39.5 39.7 39.8 40.0 40.1 40.3 40.4 40.6 40.7 40.9 21 <br /> 22 41.0 41.2 41.3 41.5 41.6 41.8 41.9 42.1 42.2 42.4 22 <br /> ' 23- 42.5 42.7 42.8 43.0 43.1 43.3 43.4 43.6 43.7 43.9 23 <br /> 24 44.0 44.2 44.3 44.5 44.6 44.8 44.9 45.1 45.2 45.4 24 <br /> �•` 3 �' 25 45.5 45.7 45.8 46.0 46.1 46.3 46.4 46.6 40.7 46.9 25 <br /> Y.'3 ! 3 : . ` 26 47.0 47.2 47.3 47.5 47.6 47.8 47.9 48.1 43.2 48.4 26 <br /> 27 148.5 48.7 48.8- 49.0 49.1 49.3 49.4 49.6 49.7 49.9 27 <br /> 28 50.0 50.2 56.3 50.5 50.6 50.8 50.9 51.1 51.2 51.4 128 <br /> (j 29 51.6 51.7 51.8 52.0 52.1 52.3 52.4 52.6 52,7 52.9 29 <br /> 4i 30 53.0 53.2 53.3 53.5 53.6 53.8 53.9 54.1 54.2 54.4 30 <br /> 31 U.5 54.7 54.8 55.0 55.1 55.3 55.4 55.6 55.7 55.9 31 <br /> - 32 56.0 56.2 56.3 56.5 56.6 56.8 56.9 57.1 57.2 57.4 32 <br /> fi 33 57.5 67.7 57.8 88.0 58.1 58.3 58.4 58.6 58.7 58.9 33 <br /> ' r 34 59.0 59.2 59.3 59.5 59.6 59.8 59.9 60.1 60.2 60.4 34 <br /> 35 60.b 60.7 60.8 61.0 61.1 81.3 81.4 1. <br /> 6 6 61.7 1 <br /> 8 .4 35 <br /> 38 62.0 82.2 62.3 62.5 62.6 62.8 62.9 63.1 63.2. 63.4 36 <br /> Y 7 - 37 63.5 63.7 63.8 64.0 64.1 64.3 64.4 64.6 64.7 64.9- 37 <br /> 38 65.0 65.2 65.3 65.5 65.6 65.8 65.9 66.1 66.2 66.4 38 <br /> ,39 66.5 66.7 66.8 67.0 67.1 67.3 67.4 67.6 67.7 67.9 130 <br /> 40 68.0 68.2 •68.3 68.5 68.6 68.8 68.9 69.1 69.2 69.4 40 <br /> J <br /> Example-If point is 2U ft.above grade,bow far should it be from center line to <br /> be a slope stake point? Ans.from Table 41.0. For same slopes but other widths of <br /> .r k '� roadbed correct above figures by one-half difference in width of roadbed;thus in exam le <br /> t' above for 20 ft.roadbed distance will be 41.9 -(20-16)*2 or 2 ft.added to 41.9 <br /> For slopes of 1 on 1 we inside of front cover. <br /> MADE IN U.S A. _ <br /> x• <br />