Mou/Moa - 1999 - Clear Creek Crossing/Dry Creek Canal - 1/4/1999
FEB-09-01 'FRI 02:37 PM F AX NO,
e"B1I,a6~ 17: ~~ 12~8~39~.~ - p, 03
ROvLANCE
J_ _ I I~ ......,..-. ~~-..; ....1 ' -.,. . ' . ... ,.,..Ul:. U.:l
,
'" .. .... \
,'f ( .
.' '" I
tU\MIl'" U,~1- l.~B$,~~e~' ~~ fHIJI. \92
\
,
,
I
I
r4IMOSL4NDUM OF UNDUffAftRJING I
I
\
..~__~4. S"'
.' . I
..~.'. I
~ w: .
. . . '",)' . I
U~ tfl>> f4W ~..ycnJ;lr. DnOl COMPANY'S ~ I,)l.Y * ~Al. . ,.
~~ilI U $f.lin'Hll~Y ao~A1l'" Of ~ ~. " '$lIfO.
00lIt eaas~G u A ~IJlY PLAT SJIUAt$ IN ~JlQ..~T
0.11,\1.- fJP $llCW'lli .. TOWN51D1' 4 ~"l1!. a,AN0l! 1l!.4$T, '1'll$E tdJiJUIl
~ Qr iAO'~, lP>>JO
f
>> ~ .., q~\lla 0IlIIill<O tho 1'",,'_41'10 oftlw N"'l)jy"Ctetl< DItllII C Y
\I" tar.. ~l_e,- Qnt.q proJtct to be ~...' .
'nit.,:.... (.Iw"~ 411''''''' Ollb!ll.ifi... II .-.IIY I~od " u., ~ Corw' QI1 w
\ill' , ~ of litlII. ,~' ~ ~ '..II<< llootl. TiIf o;w-'l\ltoIdllpOl' of "- ".CJ9CflJ 'I
~R"~. ~o~le.yn, 11 S. F,~Milt1\O~)olte. 1df.h~ l3'O'.f~O"322.3fiQ.
.'~;
fM 111"'_ ~rr-~1ll1 __IY htl...lrri~n woI" doIj,telf~ \llIl' ~ '
_.,~)' m""., '. ~.My ..- of\twJ ~ '._ Cmk Cro~=lV"'iOn it '" to
w.~, ~lfl'W ii~!)ItllII !=OIIll''''y ~ rtf-' 10', , 1'QJ COloW, ),
" WII ~w4Il1'U':'ilmr'm ~r _ ~ ~ by l.yo c~ hr:, .
"II""''''' "n~'., p;ovlda4 ~ttttl~ mJtl$l1ln1 dfQtb tre noYi4.Wt. n~
. . .
". DIYil.-pn,,~l~BP ihtt the DtTCH COMPANY IJA . - t:ft w ditQ hfn w:
~~ ~mtI1 fA!' ~ .M "pain. ~ ~ivmmu , " ,.-- II) ~ Prtca
.' ......~.qn:~Widt"~~OlIf_.~~,'.. . ,or'.r;;r
.'. '. ..-. ~. ~.WJl b. lJl ~YQr ct th, DJJ9t ~JdPAm"', ' . be _ IP . .'.
5= .Ir;- of ~mB ""_10 UIII*y ;~prQ'ritIUllI;\r by
YIIJ~ ","I"~ .. depll'lt4 OR "" ftn" FIfJ, ud m\Y 'tbf W ,'" ~""
'~ f.r~ ij ~d_. '"" ptCpo~ ~ I~ will . t.GC gfm. h.J 1-.
VI . '"' bt_~.~~mr;nt._w.lI"tbUawa: "
.~ '
c ,. -,., p#",(I~foq, "'8-. ... ~. ~ I.t '" /tftIM rip . N,. IJry 0..& ,MIl
Enr~= lI/~ IftJIUftli_.. "1M'IrirfI"J#.fII1l"#~';1Iw l>>1
'. . .,.. ~~ lrr:. ctNI~ drtfz IIwY ~ ,., ~.' ~If"'. 4f1III
== '11< ~fIlr-- ,/PI. nr/, /II1II C/PJri1y lit .,."., /II1II ,.'.... ..
. ,... . IJ '. '.' ,/mG16 (JI' ~s .,r ", ~ GtIV (If' 'fM it,a,'. ' ..
If/tf!!r~ "'oJf':fMJD: t!' ,./, ~,,~ ~.--.. . ;pq/f~ I
;:rr I""" ~= C1Mh c.....,.. No _lit' #rv""", " '-rl.M rI!If f ·
.' .'Wf. """'". . ,., ~'# b' "- Ntw DryCmtlJlfdI . , .
. . -~~*
'-t\~~.._~_ru.jil"-
,
FEB-09-01'r-RI 02:37 PM F AX NO.
-
~~/e7/~~el l7:~~ ~2aa93~ )5 ROV~ - p, 04
t"l-\\;lC, tJL
f t'f . . ':'.'~"--" ( -.~
. of 'f . ..... <'.'
.....fI' .\l~ 't~^.;waJ.J..~ .n " ~'"~.nf,~Q .'It/III.J....,..~
I
I
w_~ 6NJ f'1# of. ~ ~ ofUso ~ i. rw;gnJtd, ~ wiJ .. ~_li~ ~ . &P
~ J..~.... ~.~ .~. l#~ ~1MJ..ftRJJ ,1.11 ~.....
t..",.If.Mf ~.\tI_,~ ~,~ ofu. ~r\\~ <tM t1\,c~.~ . \,
\hi tn.- "I!f)i".f~e::: III ~~. ~ lP -ft..... u
~ """.~ W- 'MTe.K IJ<< - 1M ~~m. "",g~ ~
. ~= 1II~~W~lP!lIf 4iWI. ~ 1MI ~ If ""'~ ''':./(f ~ '1lIJf II
. . . ",g,**,~~_..-._udp3I~~~"~'1O ....; =-- I
. _ .,~. . ~.. . .' v..' I
~~ ~rFO~' ~ I~ ill _~, ~ III!l ~
~"~.,,,~~ will ~ ~ ~ 1IIif. 'tlr'l"'lt! """~, ill,""'
~" ,M~" ~tJ\tm ~ I# ~ ~Qq\&N' ~"'mJMf.' - IOIc v=t. Q{
,"'n,.~ eQMPAMV. ~UlteH COMPANY m..y ~..... f.114'~ ~..
.... ~ ~ .'R~"- .. II~' ... thq ... ... ~o.,._.;~ Tht QJYJ1,.O'BI.
~~ ~tM'ViTQt COMl'ANV l.l'ttCl~ tp PfQW~U- ~.~-..,.. ~
"~ .Wlw sat)'~' wb1~ ~ ~e!.- or CCUr ~ p~. . ill _....~ In
., ~ .. Ul' DltCll COMPANY it ~td tc PRMP maim~~.~tI ,.. .ttf'I.m,ltt-
~~ .....r,--.... .-lido- ahol1 ...... ,. lwIlclloomlltt. . Now \)Iy e...k I:lio$ll
~"",fprtOJ-' ~tb&t_)'~"'.~Qtlhlit~"~~I. i
" . '.' I
l'IIFllI".m=r." """"""",IU ,.;nhrdy l/~ Ilf Ille .-l!li"'vfi~ llltoll.,.. ill
...._\M... .,,\. .'. "fi'J.' I
'. . '.' . W
, ., ," i
.~~.~I<!P. dlat -'4 i.___wi4Ih .f~=::J U :j.""'
.' .', ~ .'~flO'm;A~ tM All t. ~ ~.~~ me.tnl1,' . ti6o. ;r
l,',J m:~. ,I
.
I
. .' , I
J'tIf ~'" .,V"".,o/flfIl" shtIl b. blodl", "llllII'k ~Iro. I"'" ~"'~ ~-
,.......PI, ~MttJ~ rl ,... ~
'j,i' I
. ~ I'"
." . . ',.. . . t J... d"
. ~WI'fflIS' ~_ PJRY ~ b&$!Cl hil" ~!J .~ j !
ll! ., &~' . , I. . . . i
, . . " ' !
, ., I
I
. . I
JMY DJ..' rnr,f-flCP~ eOMPANY . uC'tlON ure. !
~}~ef~ ~ !
. I
.
~ . ~... ''to. JM' _. ,tl:. ,,__~l.-: ~.~. V
~\.~. iO.....iFItr . I 111-
...,.". t ....,
'.
'"''''
MOORE SMITH BUXTON & TURCKE, CHARTERED
ATTORNEYS AT LAW
NINTH &; IDAHO CENTER, SUITE 420
225 NORTH Cþ STREET, BOISE, ID 83702
TELEPHONE: (208) 331-1800 FAX: (208) 331-1202
MEMORANDUM
Rg~~~D E~~~D
FEB 1 2 2001
File:-
Route to. r) ._~
.-k. , =
FROM:
Sharon Moore
City Clerk, City of Eagle
Becky IW:-'h£~cJ,
Legal Assi~ to Susan E. Buxton
TO:
DATE:
February 9,2001
RE:
Clear Creek Crossing
Enclosed please fmd correspondence from Steve Bradbury, dated February 9, 2001 and
attached correspondence from Roylance and Associates P.A. If you have any questions or
concerns, please give me a call. Thanks.
FE8-D9-01'FRI 02:36 PM
FAX NO.
p
Jones . G~ess . Allilrews . Fuhrman
Br dbur & Ei en. P.A.
The 9 & Idaho Center
225 North 9th Street, Suite 820
P,O. Box 1097
Boise, Idaho 83701
208-331-1170
208-331-1529 (fax)
TELECOMMUN[CA TION COVER PAGE
-I-/l- pages including cover page
TO:
FAX:
Ms. Susan Buxton
331.1202
PROM: Stephen A. Bradbury
nATfI'.: Febmary 9, 2001
nJ~; Clear Creek Crossing
J)()(;VM~Nl'S SENT:
Two recent faxes from Roylm1oo and Associates
NOfJ"~~:
Please give me a call.
caNfH>ENTIALlTY NOTICE: This ftlcsimite transmission, and/or the documents accompanying it, may contain
~ø.nn~~"~iall11forfl1ation belonging to d1e sender which is protected by the auomey/cllcnt privilege, The information
Ii Ip~H4ød only for the 1J.",e of the indj!(idual or entity namel! above. If you ore not the int~dcd recipient, you are
J\~r,Þ.. npt(ficd tlull any disclosure, copying, dislributinn, or the ~1<.ing of any aclion In reliance on the contentS of
Jhis tQfpm1;ulon is swicHy prohibited. If you have received this transmission in error, please notify us immedialcly
~y wlilphonc to arrongø ror relurn of lhc dOC\lmc\1t~.
-
Original will 1\01 follow
0ri3inRI will follow
1'1)' U.S. mail
14)' ovcmlSbl. mal/; - t'cc1cclll t::xptCSS - U.P .s.
Uy---
-. '--
---
""---'-
.....
",o'm: If )'011 do IUIt receive the total numbcro{paues indiealCd. please cunl.~ I..auriG lit 131-1170.
FEB-DB-Dt FRI 02:36 PM
Q'/ft11¡.Ø~ ~7:~' 12eB~3' ~5
FAX NO.
ROVL.ANCE
~ao~ AND ASøOØlAf'" ¡I.A.
,""Mfr. , eu.~'" . """,,,1øA,..'"
8SJ.J WI. atcIW ~ svtt4 ¡:
-~ ¡d4ko '31tf.
Jfhcm,: .tÐ"'3~,'d*
,ø: ~ø..gaø..~."
'ACJiI~ ,~'IUON
,.lJru.fI.f1I " "OJ
Ilk '. a.,. p,..øþUJY
~~. :~
....... 3~1..1170
~ JC ~
Jason Den'mtr
"~
Do~ JøYD - ~n-38&l
1804
......
c:c:
.... 110.
P. 02
r........ .....
331..11ii9 . aI...": 3 ClnOludf\; cover sheet)
. .
ItJS: Cløarßrøek Groping - Memorandum of Understanding
J:) u...- X '-' "wi... ...,... ç~ [) fl..... .. C """ ..,.
""'"" ~~ c'.... ..-It 11"* fat'"'.
,.
~ ,. . ,
'1."""-
" '" r .' ,--,'"
IIoYfJ ~
t .pIt. ~. D~V nAG he."~ that I ~ . dean copy of the ~ed Memo~um of Und.~lng to you
.~- . '
"flU""""
JitltR~ ~I E.I.T.
~tlM~1.doC
it
~
nO
d
.,i
. 't
ï
I
.?t
,
FEß-09-01'FRI 02:37 PM
e2/8112B81 ~~,Ø9 12Ø8~3~2E
FAX NO.
ROVl..ANCE
~.Røf£A.NCa AND A,_Om."BS .p.A.
arWtu.'$ . ~øJ!. , -mt,pfønJwnF
a9 J VI. ø~fJ øø.fJ1:, "'ftf!.
."-9"11 Id4h9 "C;Jf$
Photlll: 1108-939-"".
Fø: 201.939-"'6
,.,
'AcSlMlLB TRANlJflSSION
¥ebrua,ry 'Y, .øcu a,' ',","
, ~"Stevøarar;!lþ.Jry Ft'Om: Jason 0 ' . r
., -
ee. "~f
~';',
~""'."f
""It"" ' :t31 ~ 1170
P. 05
,...-...... .....
Flitl N~.
'it
ø,,~uding cover shaet}
1804
< .. '. ". .' ~
. Qf ,."': 3
f-
Rt::
'~3h15~9
Clear Creek Crossing
i¥
[J "'-,'" ".eyelt
.,
Î
.
. .
e, """" : )C for _vi.. 0 ,I.~ C4U"",..t
.,."..., ..~..ntJ QWlU 0"'11 Not fall.".
[J ,..... _ply
--"". ..~ ","
'S,...."",
'.Wft ,.. FVI
~t
¥.~"tNWf~,^18ØofADM1N'UTT~t .doc
6
FAX NO.
~
P. 06
FEB-oe-at FRI 02:38 PM
,,/8""'\ ~~,.' ~'8e'4'
. ..-- .
Rovl~nce& A..oO""to,P .A.
): ..., abø 1G
En9"'ee"f~'IUNt!YQ" . ~,ndpl,nnt~
Tt1epñai1ø . ' ) 93R8~4 Fax (20') t3ø.
,."m'Y_" tOO'
p,ftj8ItJlJIt, t 8n4
MTr PW ~"ifW
lt4Wr' DfV ~ P¡'~I\ CÐmp~)'
p.et, "9-.4}O
~Jdt,ìU,'~"6
p¡ en..,. erf'~ C,~r¡¡n. S~bd¡v¡.io¡t J!i¡,., .',
DnrDm'l '.;,¡
'TI.. ~~lopm4Í1Í pioJeo li!Iown as "Clear c...k Crossing Subdlvi'!<m" has. .: io or d ¡¡cussion will..he
CIW ,fJ~I" Jnd th~ )lcwDIY Creek Ditch Company. Roylal,ce ~ ASSOC:Ulies P.A. ¡"~ Îtly conttctad the New Dry
CP*. gl~t¡ CQmpany mø"thah , yem' ago to discuss the possibility of c;cl\StrUcting an iOvtm4 siphon for the New Dry
Cm~ P¡wh ~"mp"ny. Th\$siphorl was proposed to replace your ~:ti$ting f\llme tlrtd CfO$l t!\~ f\oodway near the South
~HM~ pt- ~~bdiv¡$¡oqproje~ .n'
41 y$! ~ _. yo\!! ÇU",nt f4cililY has been identified by !he Oigl. City ERg""" . p""iblo ,1\1"'" \<I bod1
"",wl\f~.'m "'~" ~\p$tret\.~ prøpert)' owner~ alon, Dry Creek. In the I. I OO.ye~' design sUlrm.tløod water IS ~a\cut..ted to
~. d,mlnttt Þfd1Ø r~lmjVø\YsnWt ~lè:.1lr.$pace of you( flumé until one of cwo ~tntS oçç\l"l1,e first prcdl~tcd event is
Jh.~ tht f1~ WfI.~or wl11 fi~~ to . peJint wheM it overflows the canal banks. causing a~ fAct calastrophk wunout of
JM "nki~ Jf1l~ili a.~ R~fpçC\ir. the: flume win become clogced with flood.borne 44Hs and be fo~ from its
~""'MIIt"'" r~4J~n. 10, ~ w~hout. Tn either of these tWO O!.s.ea. the cønal woutdbc,!Jnificandy d~Scd. if not
4Þ.W..,d, rpr;Ø\c 'IU~ W'.tþ oftkc Dry Creek floodway. The CIty of Eagle has exp . ., ~cem for the ~cty and
~JNr'Qf dóWtl~trÇ~mPfÒ.pertitS if the dc:$igl\ flood occum<l prior to Improvcmeqt", existiJ\S flume. 111!= CitY
t4nIlÞl'"JJM.",.i4 ,~h'J»p~ and encourages (he construction of an ,nvetted sop, '.. .(nce be perceives ,t as Ii
"~~f. ~.,(SJ'>' .nd:~,w.r:W pry Creek D~h Company. ' .. , i
WI"".' fj"'J'IJ Jim~,whh)/øu*"d members o(thc Dry Creek oo.rd to disc"" the cI'pøssibUities ohn ¡nvc~d
fjiphA".~ d1~ time, ø ~p~.d oUt desire to enhance your fi1ç\titi~:and ad~¡I"-ftl1c co"cert\s that you h~d
repNlh'l m,j 1~M~ tn41i",bílÏ*Yissues. Our \I.,dctstanding ofthosc i5$uc$ is as foI10w.; ':.
I. T"~'JJre "'.. ~ol\Ónl.!~d we. fUnction of the proposed ¡¡phon. a~ 'D$h ra~k at, entrBI1U ~nd a grate..1 the
"fit'~ pe¡;,,'my. ¡n 1Þ.~ opinion of the New Dry ~lc Di~h Compan ~h rack would crqte ..
"I" fi~~Y ~~4 rna.lnrenance burden that me ditch cøm~ny would h# , ,~.
~. W, .Iso ~1\~r,~<1 \Þtt ~he proximity of the proposed sip~pn t9 the school. JUktllhood thç chnd~n will
. n~w nW t\{:iUlY - .~ontem to the New Dry cn:ck DI~h CØ\npt1ft)/. . ~ptl\Y hypothesized thAt
It- phM ç~)I~'{ ~ '~1JQ~4? ¡1~tO the siphon or pinned .pin'~ tl\e tl'4Sh rack ,.pllc fo~. Con~rn WÐS
",¡I.~ fQt~ho. ,af.cty,rthese thltdren Bnd forthc ditch çompJnY's lIabut " '., id8ftt were tQ ~c:ur.
~, ' Th' Pry (!m:.~QJ~h,QøIJ\P~ also cJ.plUsed concern thÑ If tho siphon Vi' . 10 that thc:re would not be
,~Iftc'"t ~';'IfJøf,~~one being .sucked' into the façi1i'Y. \be ve'ocities '.'nøc be 5Uffic¡enl to ketp silt
"'f'\. ~U~~ ¡11~e~1P=. ' :,
, .~
4,.. fNfiew o.ffCtt.~k Dit$h Company was funher co~me" dt~ by rcmoyJn' ~ cul1Cnt flume and bridte..
"",$ to ~W"J Ild,ofthuiphon and the tQSCme1\1 woqld bF ¡"jeopardy;;;',
.. ~ v.1 to-MÞM ~\'ftIc:dcØ20 , 0 11 doc
FEB-O9-01'FRI 02:38 PM
e¡/871~~e1. 11 ~ eg 1208939, ,5
FAX NO.
ROVlAtŒ
P. 01
t'~ 1:1.:1
,.~~" ~oo I
hi' ~ pC,
w, U"MrIit'Jn4 that thtl ditch company bø.sðd these concerns on discussions with other irrigation companies that use
Jlpt1D/'I.f,We ~çlc.nowlf:dSC thtt th~ types of probt«lms can result ftQm d1t,¡ improper desi~\ or construction of sipÞon
f~m~.f. Snth 9mblems can "tso be thø result from employing tiles, fl~mos tnd ev~n open ditChes. However. we Dellove
~hfJ~ wITh p~fu' plannins, p'UJient deslgn, ~d ptoper implementation, ~ .iphon may be ..bl, to reduce rile New Dry
Crft~' f')ih;þ (::omp_ny's expQsure to~1I of the above mentioned conc:f:ms. We proposed to s~clficany address and
mì~.øw~uJ ~ancentS by ønptoyhU~ the fOnowing design provisions: '
,:rh~ Irnp4ct of Q~umut..ted. debri~ which collects at the tr:&sh ~k \V¡\s to be mj \jn\Íed by proper design of ritc
,.", fl'C,k ~J$elf. A. $teep'Y sl~lR$ ~k allows mOst debri~ that col\~t$ o.gainst it tQ be pud~td uP,;nd out of the flow
by mø ~¡u¡al \Vf1t!2r itself. S~h. trash rack allows \.InlntetI'Upr~ flow o(water to thc siphon Inlet.
tt Wrr provpsød to ~ddress your ~nc:em about the safety of j1 chUØ who mtLy fall ilt 1Þ~:~.nal in i number ot W4)'$.
Qf ~oijrs" the sipÞon intake and outlets would be se:curcly felU;t:d. Tho trash r¡¡c~4tself. ii, liddidon to beln(t
l~rl~ly self-cleaning, cnn be $ized to prevent anything turgor than three inchdYrom washing thro~ISh it.
^nhÐLJgh the flow speeds (and f~~) of the conal water are currently not high enough to pose D sì¡nifical1l
th~¡ .t to t\ persot\, devlcC$ çnl' be co/'iStruc:ted upstream ofthe siphon intake to tùnher reduce the water velcxity
~nd possible 'pinning' effcc~ at the trash rnck. Additionalty. a \ow-sl\lI\g cable co~,ld be anchored ac:ross the
~n¡d, \lpstr~;1m ofthc inlet and sli$htly above the water. to s~e 0.5 A "catch rope.'" Finally, d\e trash ruck itnlf
çM b~ tit~ed with gllngwa.)'5 ro :dd in the occasionaln",intenllncc and to provide an ensy exit route if!iom~one
, were to swim ontO the rack.
~. Wø proposed that the siphon be designed with large entrance pipes to minimize the t1ow velocity at the intake.
The flow velocities in the lower portions of the s¡~bon that would be susccptibl. to slltil1!& \IIould bc designc:d
Wl~ $m¡\ller pipr: dlweters to increase flow velocity in these arei1S nnd flush out any sediment
*~ Th1' l!1stlll~tioo ofthe siphon tube would secure the ditch compnnY'$ lôlScment. for the portion ot'the c!1Sc:m~l1(
whÎ!:h rails 01' tht\ Clcar Cre~k Cro$5l,il\g Subdivision, thedJVcloper =1\ record ~ cnsement fol' IlCC:C$$ And
mainJen:\I\co to pt'Ovtdt: public record of what is now a prescriptive tnscmcnt. Dry Creek could bt rout~cI.
Jhrøugh 1\ corr\lgated met:tl eu Ivert benenth ;'1 m:onstrucl1:d l11ain~ena\1Cc rand prOvidht; occ:ess to the West sIde
. ' Qf PrY Crc;ck.. Slick a crot$lns wøuld nn\le much less impact in 4 flOQd even! man the existing nume. yet
" çØmj w~ to ptO\'ide ~stbr your canal inspections.
W, "Ii'»'!; o,",r ptopo~ed dC$i!P'.ødrt:$!i~ and resolved thc issues that)'OU originally had ~prding the siphon. funhttr.
wa. w'þ~ thÞt hy impl~n"tiOn' Qrthese design elem~tS. and OthcR B$ recommenl' '~y you oC' your en,inCt". t\
.ipmm f;PLJI~ be a .i¡nlfiç#nt, f:ff~~lve. and safe onbanotment to the N~w Dry C~., . It Company f~Ultie$. The
"r$pf ØfJ, ~iphøn W,OUId uøarly t,li~t,- dtc po65lbíl~ty thAt d1e ~n;l1 wo, U, Id either afrccUh ood event or be aft'.ottct by
tit. "Q04 ~r. We btllo~ thØ "'1$ has tWO distinct advanta8~s IØ the New Dry Crc.:. Dttch ComplU\Y. The: t\r~t
øø, van,'," '14,I,! 'i. tft,o.t ,as, ' the C, lev, En, ~i",,~ po, inted out in his .lener of JUIY.~7. 1999, the ç~~",.t, "..Þm pany would ~quCC dt.ir
_q,Ullwlhty .~posure to downst~ ~ffecŒofthe )Oœl\t\al "dl1~aJUI-washout scenQ.ti~";, dly. the New Dry Cree~
PiJf~ ellmpnn)' COUld CiJntinue~ ~livor inigatlon wnter to sha~botders folloW1ctS tl1! :' Isn flood. whl~h would !\Dt
" pmibl. If the ftum~ ørcanal wore døstroyed. ' ¡"
I" IØ d;$jol1 tø pur ~tI~" (the CIOlJt, ,C, re,' ok Crossin!; dr:velopers tlnd, tit. ~ir\,: of Ea,!&:I~ ) t,h~",I"""')""',iPhol\ would be 11 œncfit ,to
Utf No~ PrY Creek Ditch Company. d1t slpho'~ would also fnvorab1)' Impact the propQ' ubdivlslo". By rc~ucins the
q~O" JQ flood water. " 51pbQ~ would ,ignlfiçanrly reduce flood watJJ el,vatlons ~p "' of the Dry ClWk C~nal.
."çh , mJ.t.wdon øf floo4 wafer e~,ion' corresponds to . reduction in the cortbwo* ' uifCment$ In the subdivision
t,w ,"ulJ in 4\ n1C)te Aestherlc4lly pleasins design. Because of JhiJ bt=ncflciiat il'Q , ~'" me CleM C~\C Crossi"~
1~W'vl.lø~ the dllvolopetS otTere4 to 5ubsidiu both the design II1d I=onwuc:tion of '" In d siphon.
UQ~ly, dt$pj~ O\Jf best efforts to work \'rith you on th~ dcsiW" or a&\ 4*PJnblC='. . the New PlY Creek DI~h
C~)' .. reJ~ d1e ~1þJ.Jlt)' of .. siphon. 'r~
, ~
..~ano""1 ~IOI2 IlOl:
,.ì
FEB-OB-Ot" FRI 02:39 PM
e~/'1/I8Ø.~ U' 89 12IiJeg~g~
FAX NO.
ROVLANœ '
~"
ftb_f~ÍQØ\
,~, 'élrr '
P. 08
"...... w.
'¡1\00~ fh, ¡Iphon wa$ not approve4 b)l~C N~W Dry Creek Ditch Compin~, the: City Engineer suggested an alternate
ftIrm oh-'lIo\ÇO ....... "'oo ~.B . SIphon. 1\. "'8B"'ted """""""B ........ embolI-tO pl'Ote.,,¡,o P'1I
f:rq'-' e3J\I~1 ~QUiae of thø f\of¥lWJ)" To 5ati5fy tl\\$ proposed altJm~ive compliance. ROy'~c & Associates P.A.
.~ tnø'" 1i¡ P\~f\""t ,ffort to P"'P'"'~mJSS g¡ad.lns plan and design oftÞe .:øtthcn embln~et1tS whjçh would protJc:t
Iho Pit' ~mI< ro.llitlt.o oUtSI40 of ¡lwf oodwoy. This pip, pI.. ...~1MI1h1l! the ...w an4 .... nome .-Ins tho
",""WIt" ""'" Id .....10 ...10, Allor. C;I)' Edgi..", 11"'" "'1""'01 of tho PRIg pion. we 10"""- ,hi. pi", io the
"N'w gry~'~c~ pltto Com~yfC!r yØ~r feVil:W and ~proval,
W$ h"Vf nw~C:Wt~ the I.ntrof J;mu~ 18.200\ from your engin~er, John Sharp P.E. in (eSÞØns~ to d\c 111115 grading
plill', WHoU,,*""" he m#Y ,..,..11$tnmpr<lCd d,. hydroulic Impo<:! of tho fill pion on tho.tJume and <anal banks. He
,ß1m~~d d'.J ,hit fiU would .,~\* in ~ 4ofold inmOSt \1\ velocitY ov~m" ditch bMk.'.'. ," .." ,Ing to c:itculntions by
""n~ ØnallW!lrlns. w- It;IIÍt offobruarv. 6, 200 I nddressin;!he Is$IU' is _ked. d\ WIllet' ..locôlÍCS """td
In.¥. "'. N' ~r.., ~pp~¥i.I'M:. teJy 1. O~"I1.Q~.,.ver. ßlthough Mr. Shntp does noupec.. Ific~Uy oddr ' . .. ,'1", er the ~~ding pi en is
i\JI.PFOV.(ld .Þ.. thlt pitch COI", p4ny" we øow;tude from the tone of his letter that this t11~maIiv , '.' ..', of ct1\"'ptiancc: is nlso
not "ç~pJtÞlt: to thlt Ncw Dry Cree~ pitch Con'tp.ny.1
MF. """,,~'..Ic~r continue. to $A)'. . ":~t;
~: woul~ Uko to ~o on record as strongly slIpponing the concept of replacing the t1UI\1e ~Citure with a :siphon
~1I~~~r Dry Crtck. This would l1ot only reduce or eliminnte [:l) debris problcm <1.t th~ ~(ø$$jng but also open up
th~ çn:ç:k area for the passage of flood flows by returning the: creek to íl more n&tu~1 ~I'OSS section and
I"Jmø\'lns a 5ì~nifiçønt restrictio 110 t'ood flows,"' ' j ,
T'" ,nl:Pl\~Bril\~ s1aff at Roylance 4 Associates P.A. echOéS Mr. Kunz's support of a $i~h9q, as we believe it to be "'\
,fft»cJln ~lUriPT1 to 11 J1Qtendany d:mgcrous situation for the New Dry Ç~k Dit~h compÎOy (\nd the coI'ntnunity of
~Iff-' .:".;'
¥1itW" J1I~~on' of aU optiof\s wh{çh we have presented has mode us hesitant to begin dÇ$,.isn of another alœmative
,",thød wi",Q~t inpu~ftOnf yoU ,i'e~ing wbnt you would approve dS an aç"ptabl, ,,~edi:1tion to the cl.1n'tntly
~~~". .iwttion. We Wt;lcomeJ your input toward a cost.effective. mutUal1)' bencfiçlU sølution that will olso be
~~~ to ~ City ~ngin~r, " . '~~;;..
W"... Mlrd "')0\" """"....)""'1""""", f; . ,".'
~, ,\ .
, ¡"'J'
Pt'1f1lP f:øn~~ me lfyou httvC qu~tlons.
" f'
X~WINTA ¥\11Of "ÞM~"'\~ In 12.111111
\~\..
J~N DENSM
P
PHaljd
~tø. n'tS$
~: "m Vauøm. ZoI1¡~1J "'dmin~or. Cil)' of Eagte
Tim Ori",~ P .E.. ~J1øineer, Ci'Y of Baste
FEB-O9-01 FRI 02:39 PM
82/87/!B~~ ~~Ieg 120Q83
qe
FAX NO.
ROVLANCE:
P. 09
r",,1;IC. "'..
'.'45 S4MAJA. s1U.~
BOISJ, m~o 137034631
Phønll ('208) 383-9048
F~:(20,)383~101
f"m..a~ 6. 1001
-øtV' !Wy!.JW~, P .¡.~.$.
JOyJ.Mf & ~$$ot:~.~'. P.A.
3'1Wf.~..p;SCrett. S"H~e ~
R.8~" m 83616
18
Jm~
~"P' Cre~v. Crø.sins Subdivision - Dry Creek
i',: j~
, ,;'
...
t "','
" ,'r
nit"" P.v@t
, 'If
';'It
^~ yo»r ¥Çq.9cst, t have investigttcd the ~xpeeted velocities from the 100 'CUJ.f flood on Dry
Cr"!Ç i~ ~ vicinil)' of tþ.c pry Creek Canal flume loattd. !oQth Qf the >pt' Ç)5ed Clear Creek
çf~niR8 $~b4ivision. TQe increase in velocities from fining \n the 1~.' floodplain, but
ßlf.~!4' ~ p1.oo4W'Y, was .4d.rwed by John. Sharp. P.E. in his lettOt' ~f, ry 1&, 2001 to
Pw ~4Y ,t ij1~ l'lew CI)' Creek Ditch Co., LTD. "";,
ßMI4 ~m ~ ~~~m hy4ta~Uc model used in revisÎIlI the FEMA fIo, "
iJW",~'ø' j~ Vl)lQQlø.etffom1iU~ in the flood fringe ($6 ateSl outSidf;:'
"""FIJI a,pJ:o~~.~~(Y 70~,~{cent inc.feasc (frOM 1. 7 f~l:t ~t scçond tit'
,~~ m.- b.u~m~\f~tM.;::~oodway ítot 45 feet upstream of tJt,e flumc $.
~ha.J\Ml v,'øcity ~':'~Mi'~~~o ißcrcase from 6.0 fps to, 7.3 !PSI a 22 ~ '
JI¡J. ~blJmCJ .J~. J~ .~~ ll)t..year flood. of 4.000 cfs (thiS Þ1cl~de. no
ß~mç) IJ Jþl; ~p.W.J~. s{d~ Qf the structUre. An appro~ly 40 pe~
~O tJ..6fP..' is ~J;P~4 O\1~Jdc the chmnel arca at 1M q.p:$tream side
tÞOUlb thW ftoø4,tam 1$ ..bP\J~ 1300 feet wide a.t this tOC¡~tQp. and the;
l.00flllt .,del [~ c,"~~e n,øødplaln is not cffc:çtive ~ ~ ~ønvey.~e
tM ~lt 1'1~ 1\Yi~liç model's effective flow widtm for t~c lOG-"
f"~ Mil UJe flume. Or, in other words, the floodw.y if ..pprox' ,
,ffi:,Uve ftøw w\6th$for tbe l00~year. With about a. O.S~fQot rise in
fbJ$ '~"ßønf tht.Vlfasc velocities would be expected (0 iaGfeas~ less
~r~..t ~r""~~
^~ VIs: r~~~ndy 4þc::4$S~, ~he hydraulic r;nodeUng done for ~ F£MA
IÞKÌHJÐ' oøn4Ltl~. (J~94s~ey data) tOO-year and .. Q,0D4We.V. The'
1M ,tQ~ eJt"v~oli:f,Q. .lIte floodwl.Y. By dcfin1tlplJ, ~ Qoodw,
fPRS' ..... (m. "~\Q1.JtI~tbc noodway) Is coU1pte~Jf tined. in.
. ps. the computed.
, Flo()dway) is an
. €Pi) outsi4e the
reo The avtralt
lnctease. within
r the canal I-t the
~rct.se (from 3.3
$tr\lcNte. Even
JY i$ a I1ntc over
~ floodwater over
..bout 400 to 450
half (he width of
, way ¡;It''atioRS at
, I doubling or 100
" yir.ion WJ.$ far th~
dld not mclQdc
, c¡ tb~t tbt ROGel.
FEB-O9;...O\ FR192:40 PM .
et/81/~e'~ tHøe ~jØ9'il 51
FAX NO.
RQ'I\..At4.
P. 10
,"""" --
'~;1NQ~fi;. ...ë'
,.."." _øøttf"..etir t~rG$$\QI
,,~JU...,fi, -~ . ..
hS'.
t '/ifIII14 - tØ CD fill Jt;Gl4M ~y sup¡>ortinl the CÐ1U"'f' Df roplllÇÍ!1J \IIJ I\1IØ $I<IICMI!
w\m J "'\11m ~"'* IIà' CfCIII¡. T1IIa .,0IIl4 not 01111 ,""""c or .1im\I1aIe debris ~roblcm It tile:
~f,"!IiI'e WIlli. O ltlllll' 1!\Ø~\t .<OJ for tho p~' ot flood. flOw. by ~ tile ",eelt
\t! . WI!' !III~ QJQ-SOÇIIW1I'4 teIIIOvlÐg a ol¡nj!ÞllllC$\ricIiOP to !be nfII!!I 60'11'.
~f UWR 1ft anY q~"$tlÓ~t4fJp.Qt h~itate to caU.
,.
.': .:
t'.t. .;
~~~~.~
...u.J $. J.W~, P .E.I L.S.
ð;1
..~
1;.~
. <f
.
Q\MÇ",'W ,
;1;
. . .~.~
rn$~ 9345
,.
.,,'
)
"