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z <br />II TABLE 1. - Tangents and.Externals to a 1' -Curve. TnsLE I. - Tangents and Externals to a,11 Curve: <br />Chord -100 ft. Chord =100 ft. <br />Int. <br />Angle <br />Tangent <br />I . <br />External <br />Int. <br />Angle .,Tangent <br />30° 35° <br />- <br />External <br />Int. <br />Angle <br />Tangent <br />External <br />1° <br />50.00 <br />.22' <br />8° <br />400.00 <br />13.99 <br />' 15° '. <br />754.32 <br />49.44 <br />- 10' <br />58'34' <br />`:30 <br />' 10' <br />409:03 <br />1.1':58 <br />10" <br />762.80 <br />50.55 ' <br />20 <br />66.67 <br />.39 <br />,20. <br />_41V41 <br />15.18 <br />20 <br />771.29 <br />51.68 <br />30 <br />75:01 <br />..49- <br />30 <br />:425:79 <br />'15.80 <br />-30 <br />779.77 <br />52.82 <br />40 <br />•83.34 <br />.61 <br />' 40 <br />434:17 <br />16:43 <br />40 <br />.788.26 <br />_53.97 <br />50 <br />91.68 <br />.73 <br />.50 <br />442.55 <br />17.07 <br />'50- <br />796.75 <br />55.13 <br />2 <br />100.01S7 <br />.39 <br />9 <br />450.93 <br />'17.72 <br />16 <br />80:1.25 <br />56.31 <br />10 <br />108.35 <br />.k.02 <br />10 <br />459.32 <br />18.38 <br />10 <br />813.7.5 <br />57.50 <br />20 <br />116:68 <br />1.19 <br />20 <br />467.71• <br />19.00 <br />20 <br />822.25 <br />58.70 <br />30 <br />125.02 <br />1.36 <br />30 <br />470[10 <br />19.75 <br />30 <br />530.76 <br />.59. 91 <br />40 <br />'133`.36 <br />1.55 <br />40 <br />484.49 <br />`10.45 <br />40 <br />839.27 <br />61.14 <br />50 <br />141:70 <br />1.75 <br />50 <br />492.88 <br />21:16 <br />50 <br />847.78 <br />.62.33 <br />3 <br />150.04 <br />1.9G <br />10 <br />501.28 <br />21.59 <br />17 <br />856.30 <br />63.63 <br />10 <br />138!38 <br />2.19 <br />- 10 <br />509.65 <br />22.62 <br />10 <br />864.82 <br />.64.90 <br />20 <br />1GG.72 <br />2.43 <br />20 <br />518.OS <br />23.38 <br />20 <br />873.35 <br />66.18 <br />30 <br />175.06 <br />2.67 <br />30 <br />526.48 <br />24.14 <br />30 <br />581.88 <br />m 67.47 <br />40 <br />183.40 <br />2.93 <br />40 <br />534:89 <br />24.91 <br />40 <br />890.41 <br />;.118.77 <br />50 <br />191.74 <br />3.21 <br />50 <br />543.29 <br />25.70 <br />50 <br />•898;95 <br />70.09 <br />4 <br />200.08 <br />3.49 <br />11 <br />551.70 <br />•,2G.50 <br />,18 <br />.907..49 <br />71.42 <br />10 <br />208.43 <br />3.79 <br />10 <br />560.11 <br />27.31 <br />10 <br />916.03 <br />72.76 <br />20 <br />216.77 <br />4.10 <br />20 <br />568.53 <br />28.1420 <br />20 <br />024.58 <br />74.12 <br />30 <br />225.12 <br />4.42 <br />30 <br />.576.95 <br />28.97 <br />30 <br />933.13 <br />75.49 <br />40 <br />233:47 <br />4.76 <br />40 <br />585.36 <br />29.82 <br />40 <br />941.69 <br />76.80 <br />50 <br />241.81 <br />5.10 <br />50• <br />.593.79 <br />30.68 <br />50 <br />950.25 <br />78.26 <br />5 <br />250.16 <br />5.4G <br />12 <br />602.21 <br />31.56 <br />19 <br />958.81 <br />79.67 <br />TO <br />255.51 <br />5.83 <br />10 <br />610.64 <br />32.45 <br />10 <br />967.38 <br />81.09 <br />20 ' <br />266.86 <br />6.21 <br />20 <br />619.07 <br />33.35 <br />20 <br />975.96 <br />82.53 <br />30 <br />275.21 <br />6.61 <br />30 <br />627.50 <br />34.20 <br />30 <br />`984.53 <br />83.97 <br />40 <br />'283.57 <br />7.01 <br />40 <br />635.93 <br />35.18 <br />40 <br />093.12 <br />8.5.43 <br />50 <br />291.92 <br />7.43 <br />50 <br />644.37 <br />36.12 <br />50 <br />1001.7 <br />86.90, <br />6 <br />300.28 <br />7.SS <br />13 <br />652.51 <br />37.07 <br />20 <br />1010.3 <br />88.,39 <br />10 <br />308.64 <br />8.31 <br />10 <br />661.25 <br />38.03. <br />10 <br />1018.9 <br />59.89 <br />20 <br />316.99 <br />8.76 <br />20 <br />669.70 <br />39.01 <br />20 <br />1027.6 <br />01.40 <br />30 <br />325.35 <br />9.23 <br />30 <br />678.15 <br />39.99 <br />30 <br />1036.1 <br />92.92 <br />40 <br />333.71 <br />9.71 <br />40 <br />686.60 <br />40.99 <br />40 <br />1044.7 <br />04.4G- <br />50 <br />342.08 <br />.10.20 <br />50 <br />695.06 <br />42.00 <br />50 <br />1053.3 <br />06.01 <br />7 <br />350.44 <br />10.71 <br />14 <br />703.51 <br />43.03 <br />21 <br />1061.9 <br />97'.57 <br />10 <br />358.81 <br />11.22 <br />10 <br />711.97 <br />44.07 <br />10 <br />1070.6 <br />99.16 <br />20 <br />367.17 <br />11.75 <br />20 <br />720.44 <br />45.12 <br />20 <br />1070.2 <br />100.75 <br />30 <br />375.54 <br />.12.29 <br />30 <br />. 728.90 <br />46.18 <br />30 <br />1087.5 <br />102.35 <br />40 <br />383.91 <br />12.85 <br />40 <br />737.37 <br />47.23 <br />40 <br />1096.4 <br />103.97 <br />50 <br />392.28 <br />13.41 <br />50 <br />745.S5 <br />48.34 <br />50 <br />1105.1 <br />105.60 <br />Corrections to be Added (T =tangent. E=External.) <br />Int. Curve 5° 10° <br />Angle <br />15° <br />20'-25° <br />Int. <br />lingle <br />30° 35° <br />40° <br />45° <br />50° <br />55° <br />60° <br />65° <br />70° <br />5° T=.02.03 <br />.05 <br />.06 <br />.08 <br />.10 .11 <br />'.13 <br />.15 <br />.16 <br />.18 . <br />:20 <br />.21 <br />.23 <br />E=.000 .000 <br />.001 <br />.001 <br />.002 <br />.002 .002 <br />..003 <br />.003 <br />.004 <br />.OD4 <br />:004 <br />.005 <br />.005 <br />loo T=.03 .06 <br />.09 <br />.13 <br />.16 <br />.19 .22- <br />.25 <br />.28 <br />.31 <br />.34 <br />.38 <br />:42 <br />.46 <br />E=.001 .003 <br />.004 <br />.006 <br />.007 <br />.008 .009 <br />.011 <br />.012 <br />.014 <br />.015 <br />,.017 <br />.018 <br />.020 <br />15° T=.04 .10 <br />.14 <br />.19 <br />.24 <br />39 .34 <br />.39 <br />.45 <br />.51 <br />.53 <br />.58 <br />.63 <br />.68 <br />E=.003 .007 <br />.010 <br />.014 <br />.018 <br />.023 .027 <br />.020 <br />.032 <br />.035 <br />.039 <br />.0131705120oT=.06 <br />1183.1 <br />120.87 <br />.13 <br />.19 <br />.26 <br />.32 <br />.39.45 <br />.51 <br />.58 <br />.65 <br />.72 <br />.70 <br />1562.1 <br />209.12 <br />F,=.006 .011 <br />.017 <br />.022 <br />.025 <br />.034 .038 <br />.015 <br />.051 <br />.057 <br />.063 <br />.07025° <br />1954.3• <br />324.1 <br />T=.08 .16 <br />.24 <br />.33 <br />.40 <br />.49 .53 <br />.67 <br />.75 <br />.83 <br />.90 <br />.99 <br />.1217:9 <br />128.00 <br />E=.009.016 <br />.027 <br />.036 <br />.048 <br />.056 .065 <br />.074 <br />.063 <br />.093 <br />.106 <br />.120 <br />1598.0 <br />Int. <br />Angle <br />Tangent <br />External <br />Int. <br />lingle <br />Tangent <br />External <br />Int. <br />Angle <br />Tangent <br />External <br />220 <br />111317 <br />107.24 <br />290 <br />1481.8 <br />188.51 <br />36° <br />1861.7 <br />294.9 <br />107 <br />1122.4 <br />108.90 <br />10' <br />1490.7 <br />100.74 <br />1d <br />1870.9 <br />297.7 <br />- 20 <br />1131.0 <br />110.57 <br />20 <br />'1499.6 <br />102.90 <br />-20 <br />1880.1. <br />300.6 <br />30 <br />1139.7 <br />112.25 <br />30 <br />1508.5 <br />105.25 <br />30 <br />1880.4 <br />303.5 <br />40 <br />.1148.4 <br />113.95 <br />40 <br />-1517.4 <br />197.53. <br />40 <br />1898.6 <br />306.4 <br />50 <br />1157.0 <br />115.66 <br />50 <br />1526.3 <br />109.52 <br />50 <br />1907.9 <br />309.3 <br />23 <br />1165.7 <br />117.38 <br />30 <br />1535.3 <br />202.12 <br />37 <br />1917.1 <br />312.2 . <br />10 <br />1174.4 <br />119.12 <br />10 <br />.1544.2 <br />204.44 <br />10 <br />1026.4 <br />315.2 <br />20 <br />1183.1 <br />120.87 <br />20 <br />1553.1 <br />206.77 <br />20 <br />1935.7 <br />318.1 <br />30 <br />1'191.8 <br />122.63. <br />30 <br />1562.1 <br />209.12 <br />30' <br />194"0.0 <br />321.1 <br />40 <br />1200.5 <br />124.41 <br />40 <br />_1571.0 <br />211.48. <br />40 <br />1954.3• <br />324.1 <br />'50 <br />1209.2 <br />126.20 <br />_ 50 <br />1580.0 <br />213.86 <br />50 <br />1963.6 <br />327.1 <br />24 <br />.1217:9 <br />128.00 <br />31 <br />1589.0 <br />216.3 <br />38 <br />1972.9 <br />330.2 <br />10 <br />1226.6 <br />129.82 <br />10 <br />1598.0 <br />218.7 <br />10 <br />1982.2 <br />333.2 <br />20 <br />'1235:3 <br />131 65 <br />20 <br />.1606.9 <br />221.1 <br />20 <br />1991.5 <br />336.3 <br />"30 <br />'1244.0 <br />133.50 <br />-. 30 <br />1615.9 <br />223.5 <br />30 <br />2000.9 <br />339.3 <br />40 <br />1252.8 <br />135.35 <br />-40 <br />1624.9 <br />226.0 <br />40 <br />2010.2 <br />342.4 <br />50 <br />1261'.5 <br />137.23 <br />50 <br />1633.9 <br />228.4 <br />50 <br />2010.6 <br />345.5 <br />25 <br />1270.2 <br />139.11. <br />32 <br />1G43.0 <br />230.9 <br />39 <br />2029.0 <br />348.6 <br />10 <br />1279.0 <br />141.01 <br />10 <br />1652.0 <br />233.4 <br />10 <br />2038.4 <br />351.8 <br />20 <br />1287.7 <br />142.93 <br />20 <br />1661.0 <br />235.9 <br />20 <br />2047.8 <br />354.9 <br />30 <br />1296:5 <br />144.85 <br />30 <br />1670.0 <br />238.4 <br />30 <br />2057.2 <br />358.1 <br />40 <br />1305.3 <br />146.79 <br />40 <br />"1679.1 <br />241.0 <br />40 <br />2066.6 <br />361.3 <br />50 <br />1314.0 <br />148.75 <br />50 <br />1688.1• <br />243.5 <br />50 <br />20776.0 <br />364.5 <br />26 ' <br />1322.8 <br />150.71 <br />33 <br />1697.2 <br />246.1 <br />40 <br />20S5.4 <br />367.7 <br />10 <br />1331.6 <br />152.69 <br />10 <br />1706.3 <br />248.7 <br />10 <br />2094.9 <br />371.0 <br />20 <br />1340.4 <br />154.69 <br />1 20 <br />1715.3 <br />251.3 <br />20 <br />2104.3 <br />374.2 <br />30 <br />1349.2 <br />156.70 <br />30 <br />1724.4 <br />253.9 <br />3D <br />2113.8 <br />377.5 <br />40 <br />1358.0 <br />152.72 <br />40 <br />1733.5 <br />256.5 <br />40 <br />3123.3_ <br />3SO.8' <br />50 <br />1366.8 <br />160.76 <br />50 <br />1742.6 <br />259.1 <br />+ <br />5D <br />2132.7 <br />384.1 <br />27 <br />1375.6 <br />162.81 <br />34 <br />1751.7 <br />261.8 <br />41 <br />2142.2 <br />387.4 <br />10 <br />1384.4 <br />164.56 <br />10 <br />1760.8 <br />264.5 <br />10 <br />2151.7' <br />390.7 <br />20 <br />1393.2 <br />166.95 <br />20 <br />1770.0 <br />2G7.2 <br />20 <br />2161.2 <br />394.1 <br />30 <br />1402.0 <br />169.04 <br />30 <br />1779.1 <br />269.9 <br />3D <br />2170.8 <br />397.4 <br />40 <br />1410:0. <br />171.15 <br />40 <br />1788.2 <br />272.6 <br />4D <br />2180.3 <br />400.8 <br />50 <br />1419.7 <br />173.27 <br />50 <br />1797.4 <br />275.3 <br />50 <br />2189.9 <br />404.2 <br />-28 <br />1428.6 <br />175.41 <br />35 <br />1806.6 <br />278.1 <br />42 <br />2199.4 <br />407.6 <br />10 <br />1437.4 <br />177.55 <br />10 <br />1815.7 <br />280.3 <br />10 <br />2209.0 <br />411.1 <br />20 <br />1446.3 <br />179.72 <br />20 <br />1824.9 <br />283.6 <br />20 <br />2218.6 <br />414.5 <br />30 <br />1455.1 <br />181.59 <br />30 <br />1834.1 <br />286.4 <br />30 <br />2223.1 <br />' 418.0 <br />40 <br />1464.0 <br />184.08 <br />40 <br />1843.3 <br />289.2 <br />40 <br />2237.7 <br />421.4 <br />50 <br />1472.9 <br />186.29' <br />50 <br />1852.5 <br />292.0 <br />50 <br />2247.3 <br />425.0 <br />Corrections to be Added (T = Tangent. E = External:) - <br />Int. <br />Angle <br />Curve 5° <br />1D° <br />15° <br />20° <br />25° <br />30° <br />35° <br />40° <br />45° SD° <br />55° <br />60' <br />65° <br />70° <br />Zpo <br />T=.06 <br />.13[.29 <br />.26 <br />.32 <br />.39 <br />.45 <br />.51 <br />.58 .65 <br />.72 <br />.79 <br />.84 <br />.90 <br />E =.006 <br />.0117 <br />.022 <br />.025 <br />.034 <br />.038 <br />.045 <br />.051 .057 <br />.063 <br />.070 <br />.076 <br />.083 <br />25° <br />T.08 <br />.16 <br />.33 <br />.40 <br />.49 <br />.58 <br />.67 <br />.75 .83 <br />.90 <br />.99 <br />1.06 <br />1.14 <br />E' =.009 <br />.0187 <br />.036 <br />.046 <br />.0.58 <br />'.085 <br />.074 <br />.083 .093 <br />.106 <br />.120 <br />.127 <br />.135 <br />30° <br />T=:10 <br />.19 <br />.39 <br />'.49 <br />.59 <br />.69 <br />.79.S9.991.09 <br />130 <br />1.29 <br />1.39 <br />-•E=.013_ <br />.0258 <br />.051 <br />.005 <br />.078 <br />.090 <br />.103 <br />.1161, .129 <br />.149 <br />.170 <br />.179 <br />.188 <br />85° <br />T=.11 <br />.22 <br />.47 <br />.68 <br />.69 <br />.80 <br />.93 <br />1.05 1.17 <br />1.29 <br />1.42 <br />1.54 <br />166 <br />E=.018 <br />.0354 <br />.072 <br />.088 <br />..109 <br />.131 <br />.153 <br />.175 .197 <br />313 <br />.230 <br />.247 <br />.264 <br />qp° <br />T=.13 <br />.26 <br />'.40 <br />.53 <br />.67 <br />.80 <br />.93 <br />1.06 <br />1.20 1.34 <br />1.49 <br />1.64 <br />1.70 <br />1.94 <br />E=.023 <br />.046 <br />.070 <br />.093 <br />.117 <br />.141 <br />.172 <br />.2031 <br />.234 .265 <br />.277 <br />.200 <br />.315 <br />.341 <br />450 <br />T=.15 <br />30 <br />.44 <br />.60 <br />.76 <br />.91 <br />1.06 <br />1.21 <br />1.37 1.52 <br />1.70 <br />1.87 <br />2.04 <br />29' <br />E=.030 <br />.060 <br />.093 <br />.119 <br />.153 <br />.154 <br />.218 <br />.254 <br />.289 .325 <br />.351, <br />.378 <br />.411 <br />5 <br />