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• <br /> 3 7 <br /> r -67T ,�_ : 1-71 ��-2 1 6 DISTANCES FROM CENTER OF ROADWAY FOR 21 <br /> CROS5%V-CTION1NC?. s <br /> r---R�idwey 16 feet wide. Side 5kq" 1 cn 1 jAj <br /> q <br /> y/2, 6 O For 96*1e Tradt- ,mbanfbl mmL <br /> z <br /> H 0 .1 j ..2 1 .3 I .4 .b 8: .7 .8 .9 H f . <br /> Y 0 8.0 8.2 8.3 8.5 &6 8.8 8.9 9A #2 9.4 0 <br /> 1 9.5 9.7' 9.8 10.0 10.1 10.8 10.4 10.6 10.7 10.9 1 <br /> 2 11.0 11.2 11.3 14.5 11.6 11.8 11.9 12.1 12.2 :12.4 2 <br /> 3 3 i _ - 8 12.5 12,7 12.8 13.0 13.1 18.3 13., 13.8 13.7 13.9 3 <br /> 7 ` ✓ /O J ;/o ' ; 4 14.0 14.2, 143 14.5 14.6 '14.8 14 15.1 15.2 15.4 4 <br /> 5 15A :15.7 15.8 16.0 16.1 16$ 16.4 16.6 16.7 16.9 5 <br /> a ' "7 l ` �k 6. 17.9 .17.2 17.3 17.5 17.6 17.8 17.9 '18.1 18.2 18.4 6 <br /> L3J s 7 18.6; l8.7 18.8 19.0 19.1 ii9 3 19.4 19.6 19.7 19.9 7 <br /> µ D 8 20,0 20.2 20.3 20.5 . 20.8 N0 9 21.1 21.2 21.4 8 <br /> ' S�(�� Z (9 _ 9 21.5 21.7 21.8 22.0 " 22.3 22.4 22.6 22.7, 22.9 9 <br /> 7 t� +� 7 3 10 23.0 23.2 23.3 23.5 .8 23.9 24.i '24.5 24.4 10 <br /> ��� ' 11 24•& 24.7 24.8 25.0 2§.l 25.3 25.4 25.6 25.7 25.9 11 <br /> y 5 12 26.0 26.2 26.3 26.5 8 28.8 26.9 $7.1 27.3 27.4 12 <br /> 13 27.5 27.7 27.8 240 A� ,3 28.4 28.6 28.7 28.9 13�. 14 29.0 X2 29.3 ;89.5 29.6 T9.8 29.9 $0.1 30.2 80.4 14 <br /> 16 X5 f,7 30.8 81,0 31.1 31.3 31.4 31.6 31.7 $1.9 15 <br /> 16 no .33:3 32.9 32.5 32:6 32.8 32.9 33:1 33.2 83.4 18 f <br /> 17 33:5 35.7' 83. 0 1 84.3 34.4 84.6 34.T` 84,9 17 <br /> 18 35.0 35.2 85 3§.5 6 8 85.9 86.1 36.2 86.4 18 <br /> �,�� gg <br /> - 6 19 36.6' 8$.7 88.8 '8T.0 37.1 3 37.4 87.6 37.7 37.9 19 <br /> 20 39.0 38.2 38.3 38.5 39.6 38.8 38.9 89.1 39.2 89.4 20 <br /> b 21 39.5 39.7 $9.8 40,0 40.1 40.3 40.4 40.6 40.7 40.9 21 <br /> Y2 41.0 41.2 41.3 41.6 41.8 41.8 41.9 42.1 42.2 4!>4 22 <br /> 23 46.5 42.7 42.4, 43.10 43.1 43.3 43.4 43.6 46.7 43:$ 23 <br /> ,{ ✓ i, 2444.0 64.8 44.3 44.5 44:8 44.8 44.9 45.1 45.2 45.4 24 <br /> 3 3 zc <br /> < ;2545.5 7 48.8 46.0 46.1 46.3 46.4 46.6 4`6.7- 46.9 25 <br /> 20, 47.4 -J 47.3 47.5 47.6 47.8 47.9 4&1 43.5 48.4 28 <br /> a 2748.5 48:7 48.8 49.0 49.1 49.3 69.4 49.6 49.7 49.9 27 ' <br /> - „ <br /> 2850.0 50.2 50.3 60,5 50.6 -50.8 50.9 51.1 51.2 51.4 28 <br /> it 64.5 54.7 54.8 56.5 53. 522 62.4 62,6 52.7 82.4 29 <br /> r-.3 ' `' 30153.0 53.2 53.8 53.5 53.6 b3$. 63.9 .54.1 64.2 54.4 80 <br /> P-: - , 4 55 8 55.4 •55.6 55.7 55.9 81 <br /> 32 56.0 56.2 56.3 56.8 -U.6 56.8 58.9. 57.1 87.2 7 4 82 <br /> 33. 57.5. 67.7 57.8 58.0 58.1 $9.3 58.4` 58.6 58.7 I8.9 33 <br /> 1 �l F 34' 09.91 ; 2 89.8 59.5 59.8 59.8 b ,9 60.1 60.2 60.4 84 <br /> (p %f. 35 80. :X0.7 60.8 61.0 61.1 61;.3 ,4 61.6 61.7 61.9 85 <br /> z r 36 "82.8 62.2 62.3 62.5 62.6 62.8 .9 1 63.2 63.4 86 <br /> >V c 4` 4 37 63.5 83 7 83.8 64.0 64,1 64.3 64.4 46, 64.7 64.9• '87 <br /> 38 65.0 2 65.3 65.5 .65.6 65.8 65.9 86A 66.2 66.4 88 <br /> 39 66.57 66.8 67.0 57.1 67.8 67.4 670 67.7 67.9 $9 <br /> 40 68.0' 2 68.3 68.5 68.6 68.8 68:9 69.1 69.2 69.4 40 <br /> Ezample-I4 point is 22.8!f above' howfar should it grams lies to <br /> ? Ans. Table <br /> a slope atslgs polatt. For same slo t otljor widths of <br /> correct ve Saurus by 0 dtffareiice is width of roedbedttbys is esample <br /> berllor 20 ft.roadbed distance will be 41.9+(20-18)+2 or 2 k.added <br /> For slopes of 1 on 1 see inside of front cover. <br /> .77 <br /> Y <br /> as <br /> C <br /> • <br />