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A/•;,nn eat A/R "na Rd A C�Pero <br /> CURVE' ANN RE6UC`I`�M `�ABLE�S�. <br /> •a by i6usaw DWtr8ea oo. <br /> I <br /> i - 1 <br /> 4 1. Radius R— , r.'0 <br /> bin D/2 <br /> 2. Degree of Curve: D—T00 L D/2" <br /> Also,sin D/2 <br /> 3. '1!�ooent TTt; i"6urT—R tan I. +,C, <br /> 4. Length of Curve: L=100 D <br /> 5. Long Chord L.C.=211eifi <br /> llriddle Ordinate: Mon ft,(1--oos <br /> 1 �'r�o'• 7. External . E_ R —R. Also, S—T'tan } I. <br /> t a 1~P'P� 006 I l ' <br /> o �` A>o ATIOx AND ya= OF?Aft= <br /> n 77 \ Giveo P.I.Ata.88+40.7,I-4a•20'and D•6°80'find: <br /> �6 At IGM—P.C.-P.I.—T T Tfor 1 Curve <br /> .From Tablet.Y and VI <br /> Set Ah./E 12888.8 .187 X888 82�8+8882 Ala P C.X88 <br /> r Shinar <br /> 8.d + .. <br /> P.T.-P.C.+L,and L--1p0 �lpp: r X786 Tew 1'G rP.•(79}7!iB) <br /> 0 • +(6+97.88) <br /> 'Y ry OldNt—T+n6ant o�ele �aey <br /> ?1 �� *Mn of 16e distance.Frew Table II f'1 I°M) 21 <br /> Odeet rOt� 6. � <br /> 7.62 a <br /> -eo_gq P.C.P.c.-27.82:Hens odeet.rd db x� - -.482 ft.Aja eaqafie of miw <br /> dbtanee, bs twio�the radtue egn�b appro:i>-6*)th► <br /> 0 i(I iQ to enrve.�(i7.6�++(2xEsl.oa)+s.432 lE e.tra tlpl <br /> Q >DadeoElona—De6eotion %D for loo ft., D for 50 ft.,eta.For"X"ft <br /> VO I. 9� P�•�G I=s88 R uta X%XD.For Sts.80 o above curve Deflection Anft5 <br /> 27.62 Also D�eotla}An81e-dtl fa,}tt• Table uI XX 1:46 <br /> X 27.62 x8.86'. Fier 9ta lgt flafleot,on Ai�Is X39 8d a <br /> istatnal6—Frofn Table V for I`eus*e.*ltb ' <br /> eeo�eal ante ai? Y;E«478.6 <br /> +� Therstate,for 8.80'ewva,E,.47tD <br /> "�"!"moa fiaae lheilciti wl`8'7t+.089 rT.417., <br /> f <br /> i <br />