|
<br />
<br />TABLE 2 (Cont I d)
<br />"..',...... .
<br />.i" .
<br />
<br />'., ,:.j" '..>:::~
<br />
<br />',' .,".
<br />','"
<br />
<br />~," " L :'J:.- ',' '., "<:'", ..~, .~-,..' 1"," .<'
<br />,,. ", :,peak"~a'~',' ,~~,,;~.':"':X'i"'-:; ", ":.C')"":"'''''.
<br />1:0 . .;.:.: :':Y'.~' \.:;' ~-,:,>~"(':.';
<br />, WillowStrl!.et'. '. . ,;;: . 'i""L
<br />. ", '.'. 'fe.f'.sil",'" .,," \' ,n.,;,
<br />
<br />.
<br />
<br />uoDat"e 'b;f lleak
<br />':/!'. ,{,~.{,:t'<',~-:, :....',';';; ,',' . '
<br />
<br />:; ~;!I
<br />
<br />','. .." ;,.'!'!:'
<br />
<br />"':'"
<br />
<br />,,( ;'''''6 ii:~ust' 1929
<br />.:'.'....,.113.'.j~.,.,' ",,1945
<br />;"' ! :'" 28.$ep'!illml:ier 1936
<br />'2~'J\liy .." 1928
<br />':'. ~
<br />
<br />670
<br />,670
<br />"'62C1 '.
<br />520 .
<br />
<br />.~, .: !. is ~-:.
<br />
<br />, ~ .'. : "
<br />
<br />J..;",,,"
<br />
<br />" ....-,)
<br />
<br />:.-! :. ,< ~
<br />
<br />,'~ ;
<br />
<br />,,";',
<br />
<br />....'. ':.':
<br />
<br />'~ j' :
<br />
<br />,~ .;'."~ \
<br />
<br />'i .-:'
<br />
<br />.'
<br />
<br />"(-'",
<br />
<br />'-. ~:\.:;. "
<br />
<br />. : ;,/: . , ",
<br />, '. ~;:' ' J ':.. . '.. I : ~ ' "',".
<br />I"" ", ;"" ,," ":' ..- _" ,", ",.' .r. ',!:' :'_ "_,
<br />.~';OJ~ ,q~pJ.J.il-i:'~y de;sign i'loc;>d rou~;I.~;,:"'The 6Pih~~~deB.i,gi1..'(lOOd,':'
<br />was r6uteil:thrRUgl'l 'l;he ,rel;E\rvoirby the :tn.flow~storagll..,outflOW',ll!et.nod.,
<br />The'r,else:i'v\)fr"w!lS 'assumed :t'ulltoelev~tiori 6:1.99.~6, :.which represents.,': '
<br />one~hal1' of-the flood';;control stof~ge,l<ilt,'tl).e,beginning of the spillway
<br />design flood. . The maximUlllwa;te;r:sur;fll,q$:reSult'ing from ,rout,il,lg .the
<br />spillway. design fl.ood thrOl.l~lithe;Spil11'1aYan$. oUtlet. work~(.wiisl!J,eva-
<br />tion 6215.0, With apeak discharge oI'i 'f! ,5.00 'cubic feet ,per;second. The
<br />peak outflow over the. spillw~was2,39(i:eubicfeet persecond:and peak
<br />flow::,thr'ough the outlet was ,110 :cubic:re-et :per second, .
<br />I. '."
<br />
<br />· ."'1.1';'04. Freel:io~d requirements. ,. With the reserv6ir full to sleva,.. .
<br />tion\621$;the maximUIII fetch is about 2~OOO feet. Utilizing this fetch
<br />and a maiilhum.wind ye1oc::i,ty of 55 mi1ei3, Pt9r hc;>1.lr, a freeboardof~~.50 fee~
<br />is indicated by th~formula given in ~ineer'Bu;p.etin. R,& H,No..9, . "
<br />1938 Ed 7050, dated10c'J:Iober 1938, paragraph 14 ''to 16.inc:j.usive...(Steveh".,.
<br />son forl)ltilir ilsmodified by,Moliter an~ the fo:rlllula of,tl1!;l.,LQrentz Zude:v'"
<br />Zee COlTll)1iSs:!,olJ.'o,t,.Helland). Because of the, s\nallclrainag~areac9P"; i
<br />trolled: by'lihe project, it, is CClllsideri3d desii"a,b;Le to qeviatefromtl1e' ,
<br />,standard .ph,ctici~ of sej;tipg amil1imunlfreebo~d of5.0fElet" .In seilect"".
<br />ing an'a:d~qll<ite. i'iee1;)o~d'for. the iproject . c6psider'a;tioqwas"aJ.sQ;,g:1;velF'l,':i
<br />toithe's\J.o~t;d)ll:'iition. of ,the surcharge'.stora,g!3. A frllebR~4:9f.J.0::feet':
<br />above the' maJtimUili water,sUJ:';faae was adopted 'establishing the top of the
<br />dam at elevation 6218.0. The adopted freeboard of 3.0 feet would en-
<br />croach on the computed freeboard for a duration of less than one hour.
<br />
<br />.
<br />
<br />, ,.!\.;;~, \.; ;
<br />.. ;. ....:;~ ,. ~i.), . ,
<br />
<br />", ;',
<br />
<br />,"_ ..',Ie'
<br />
<br />, .', '\ . ~ '.
<br />
<br />",i,
<br />
<br />" >''''':{~::'':''
<br />: ' :. ~:. :' L' ; '. . , " .
<br />
<br />': .~,..' .... . , .' ".... '." ",.
<br />
<br />"."",."
<br />
<br />.~. .".,...~, .:.,
<br />
<br />.J' s;rj. . " .
<br />
<br />'A '\t<1 ':', t', >. ~'i!
<br />
<br />-~.._...:...~ ?: .:~.~::
<br />
<br />.-... '. :",,,", .~,~_.... '. .'~ ", ,,~... ,~,
<br />
<br />,........,..,..,_..'.
<br />
<br />\" ~' ,~
<br />
<br />.,1):J .:: ,,';.1
<br />,,/,.C:;, :.'::.,
<br />
<br />\ I ~.: .'
<br />
<br />.1,,:,
<br />
<br />.. . '. "'.. .~-
<br />
<br />,. . ',"(
<br />'.;..!..(,l\, ,,'.'
<br />
<br />.
<br />
<br />006-
<br />
<br />Appendix I
<br />
<br />\
<br />
<br />'''I.l,.
<br />
|