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5/7/72
<br /> woe
<br /> ) i :, f e ',tit;.:':: e'.,':C 1 R 'bjcct '�'
<br /> 17_z :'h CS C'.az).dI!_'(,,d by tho of
<br /> '. toSac �Z^cc ;-+�:3.:hra.
<br /> d r
<br /> In }..l ,. tO ',^:.i: ti'�`.�ZCr -16:hroc qua^ctionr, we
<br /> 'oi3CZy , :ate s3, tho f1c:^d of r�'c:Grc3 cac��ur. c. u;.
<br /> 2-, 1950#' at a discharge ,.y of 3,690 f ,.
<br /> aiC1C a'1[i GL1t �1n1 to thoC, ;�r?c�C�'�C. �. TaytL+.'::"n71�_, zr 7.1
<br /> 7 v :rU ^'•�rVc;j+ y Gli. �''.hlZ.rgJ r7�t�o•-r..�' QJ Ga 3iQa:�. al., yy� 2,200 y p
<br /> ci..i. .o . for a 50—yez.,tr roturn, 1 rc..�uw'aZciy M 1.�.•..�w1 on the �I` a4—cr.-hod
<br /> tributary L`a tllc Duck Cres ?t Diver,ion Chznasal.
<br /> Shnce this d:scha::ga rate ec;rr��a :tes vcnf wall with the
<br /> Co "-3 of Engine.c.rs. Div`rzion C12,M1101 design capacity of
<br /> c.f.a. ,ao believe it is logical to conclude that the
<br /> Licj:.ln jo2in Creek Project wasdesigned on the order of a
<br /> 50-year protection lovol.
<br /> F',11�.1c wo do Il'"','t: have tho I3oCC::;£3c9r*i irirrJri;'^+Y;iG.l at O13r
<br /> C:...nnco al to dl—tcrai.Sna the dischal:(Jo rate for ,:h loo -yam"r
<br /> C.'"t for ?�SOjOct, WG rAs'J ; tl: t sin- Ca t los:d of
<br /> „c. 7�� f
<br /> the 50-year dazlea Capacity by some 1,290 ;
<br /> c•f-3 . i w r"Ust certainly ap`»oach ti.o 100-year event.
<br /> 2) 23c Mc�,.i M im ilc,-,d mater surf& a for a flood of 1C o- car
<br /> 'llc.'3 boo- datarinined ger F2ny Art{oy a�,*
<br /> yo�
<br /> but the S.:n 3en:,u.in Cou.-Aty planning Dc =I----;It
<br /> -Ile U. S.. of gineer z - .re a
<br /> wnCOpY�F�re P�j�v.� ^ to � .::*�^ ��.00i
<br /> Z0Z this stream -Otli C11 t�' � f - .
<br /> r .Oules � �ilu:3o the .'..I1fC)rla;va
<br /> tic You aro sea Jng. Ile are inform!�d hor7cvar
<br /> r V that Cii'lE 'tO
<br /> prioritics we could not expect the completed report for
<br /> px� o:: mately ono year.
<br /> Since the channel docs no-.: have tho dc3ired capacity � o
<br /> fic!";z, Beet Water from tnPV r cL:t
<br /> ow crflO"Is or POn i R9 in the area at pea% f l ocq u. A peri-.^to
<br /> leve=e uysta.s su :ro�:.ndi g this p:operj-y ccould t.avcr I:,'la a,-,Pact
<br /> Of the natural ov%:rilO,7:; .i.'-.on! adjt' cf�n,%: S:oado i.4' Ls
<br /> ��y� •,`xt Com. Sa' ou legal , .
<br /> , llligk1?I rMJUT i;.
<br /> ��:hl' 7:)rCc'icc �-und unle.ap it coulc be r�i�;
<br /> hC�t A th::oucy.1 nn
<br /> "',at these objections could be overcome, tho Plocd coil-(:rol ,
<br /> Dis'c:--s.ct �fould no"'- bo r0ceptiv` to thin typo of propG =.^1.
<br /> 3) sit the p,:c.:.ant time there is no ordinance or, policy
<br /> regulating building floor elevations.
<br /> L4hcn the 100-year flood surface has boon ostablis :ed for +
<br /> the C2%da, the requirement will be a ininimum. of two foo— above
<br /> t.hr.t elevation.
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