Loading...
08-Drainage ditch maintenance reportCITY COUNCIL AGENDA ITEM BRIEFING SHEET Submittal Date: Originating Departrnent- Presented By: Agenda Item No.: 07/14/11 Public Works Ronald J. Sullivan, P.E, Public Council Date: City Council Works Director 8. 07/25/ 11 RECOMMENDED MOTION: Not an action item. PoLICY IssuE(s): Drainage BACKGROUND: Attached is a copy of the Public Works Department's Drainage Report. Ongoing/Reoccurring Problems: Some of these issues will require actual design and construction to resolve. We are continuing to review some additional issues with Engineering as these are properly identified they may be included on future reports. Engineering and Public Works have met with our consultant who developed the Master Drainage Plan prepared in the 90's and discussed updating the Master Drainage Plan and developing a program to address the ongoing and reoccurring issues that require additional analysis. This will be addressed further during the budget process. BOARD/CAMMISSION RECOMMENDATION: EXHIBITS: Drainage Ditch Repart ACI"ION: BUDGET INFO: ❑ Financial Report ❑ Minute Oider Expense $ ~ Departrnent Report ❑ Resolution Budgeted Amt $ ❑ Presentation ❑ Ondinance y'tD Actual $ ❑ Public Hearing ❑ Other Acct Name Acct Number FISCAL NOTES: REVIEWED AND APPROVED BY: Z Administration Z City Clerk ❑ Community Development ❑ EMS/IT ❑ Finance ❑ Fire ❑ Municipal Court ❑ Legal ❑ Library ❑ Police 0 Eng./Public Works ❑ Utilities 7/20/2011 26 ~ ~ 0 N O N ~ LA GJ ~ 0 a ~Q si L ~ V v v ~ ~ ~ .O taA C 0 r~ U 0 4-d ~ ~ 4-1 a E N 4-1 1. ~ > 5 c~ N ~ V ~ y- ~ U ~ ui ~ 0 ~ a ~ ~ ~ 0 G1 ~ ~ u = N . N W O ~ C Q uf Q 0 ra1 W Q Z 0 O .41 L t/1 ~ C R E L v ~ o c c ` o E ~ m E a~ ~o v r- v 'a Q) . y~ - u O .0 ~ 4- 0 ~ m ~ ~ cn y 0 O G) ~ y ~ ~ ca ~ J _ w ac E 3 -a " . . M u M .r ~ L ~ a, ~ c o m s ~ O O v~''i = O A ~ j a O N v .E '3 '~n -°1 C u ~ v~ 3 = , a C ~ ~ ~ E ~ E . ~f° O ro O v fl. C r C ca O v w '0 O N~ N O G1 'a U ~ m ~ ~ C ~ ~ o ` c a n, ~ Z c m u ~ - s ~ ~ ~ ~ c a , a ° ° Y ~ o v c ° ~ ~ ~ axi ~ ~ o ~ ~ Q' c ~ v o c R > ° N ~ n ~ ~ Q- (1) o c a ~ ~ c 3 ~+°1 o 'c a ~ c ~ c o 'L a C 'C ~ m ~ O O m ~ N OD 4-' L p ~ 0 L GJ . O > CU - L OA C ~ ~ ~ ~ C + O 41 p. v+ Y ? typ v E C C p L .O - O c ~ O 1 G E ~ v) C. ~o p 'L + G, C p a- ~ ~ ~ 4- rp . V N N GJ 0 O p N v~ N i~ .0 ~ v ~ a ~ M C a~ "p c ~ . ~ mE E o u ~ a~ a v c N v~ , C W C u aU N c ~n E °1 i' C ~ v v L 4; ~ Q/ N N Vf Vf N C Uf CJ i a) L. L . pp G1 C ~ fV p C f0 N ~ L L • C10 GJ 'a = • VI LO ~ VI ~ X N ro tC t L s O C t L E t L ~ O C t C ' 3 G1 - M co u a, a m a, w 4-1 U a F- u u f- o u v H m 0 a o c v T t c' o ~ no a ~ a, ~ ~ G O ca ~ ~ U ~ ~ O tD = H M ~ _ N Y + + + C y 'p U ~ ~p cn (O > L i M c L E ~ > ~ ~ v N w 0 „ ~ ~ in O. ~ ~ a, -a m a, v ~ v -o v ~ +r c a, :a n x ~ L o 4 o ~ .a C f0 ,r ~ N ~ J 0) 'r a~ U C L ~ 0 L L M F y~ L C a- - ~ (0 V ~ a iA N ~ v V C m y O to = .r+ o ~ .a ~ ~ ~ N 3 • C • ~ t m L V1 4-1 m ~ ~ 0 0 Jr C Q fC C N E a ~ C 4.~. U ~o ~ ai . C1 = ~ pA U = +J O C! ~ p! .C ~ ` aJ .0 ~ A Vf = ~ c 4'' c ~ C 91 ~ = ~ 0 f m f> 0 L ~ o ~ a o N o ~ 3 ~ L ~ 4- o c c ' Y y s: v= U' O cu Y N "p V ~ N > C L -p 0 L G! 4- ~ a O L ta ~ L ~ QJ N = N L 0 m o o 3 0 , , LL, ~ u u u o ~ 0 .1 0 ' v J ~ p ~ Q ~ E 3 E w z m ~ ~ L- ~ 4- ~ ° (A N o N ~ O ~ ~ Q N ~ ~ c ~ N N -C n ~ Lyj Lyj ~ V 0 ~ v L 4- M > C O O O L ~ W t-1 ~ N M U Z N O ~ GJ 0 . C Q- ' L Q ~ C L C 'A p C O N c o tn m 1 ~ L ~ L ~ C: C: N ~ cu m O ~ Y O ~ (D m ri N M 1 Lf1 lD I*l r-I r-I ~ 0 N O N \ ~ tn E ~ .Q 0 L a aA 'i L ~ V U 0 w \ tw .O ~ C t-o V 0 6-1 ~ ~ 4-J GJ N ~ L ~ ~ ~ v ~ ~ ~ V i+ ~ a ~ ~ LU ~ 0 a ~ •m W ~ ~ 0 ~ ~ ~ V C N . Vf 4,J W O lx C ~ ~ 0 WC G Q Z ~ 0 670 ~ O C r- O ~ L • a CjQ • ~ t]O • ~ L C ~E L L ~ . N ~ 4 - •O m m c' ~ cu . v m E (D 5 v N -a ~ o ~ a a) ~ ~ O ~ aj . ~ 3 jn ~ ,di ~ v •N C E fU N C ~ 0 V L y , L N -O O ~ N N 1 ~ N ~ ~ {n ~ m a) •N C C ~ y ~ Q. L 0 V .L w Q1 ~ ~ ~ y GJ S ~ C T 2 0 ~ c fC fC L ~ y , C v ~ G! ~ ~e co fC ~ on C ~ oD m m ~ 3 ~ to O v > ' ~ ~ a c ~ o O v -p C ~ O . ca , . "i 'L *t .Q "a O m N ~ ~ ~ L vi N E w ~n v~ a - . ~n v C C ~ H ' h0 CU H GI C N (U 0 L ~ 0 ~ O Y ~ 3 N ~ N L C G fC 4J o ~ ' c ~ ~ o C- ~ ~ c W ~ . ° N o ' ' L ,L ~ ~ ~ Q w ~ C v~i ~ t10 C7 Q) ~ s ~ ~ C1 vf ~ "a G1 0 v f C L . i= t N G) . v O ~ N 7 o ` :3 v w ~ •N C ~ N GJ ~ G! cc G N i ~ ~ N v E . ~ C v f9 j vf N C .L p, V1 ' J r v L E . `I cn "o vf "Q QJ 19 L p G1 .C CSO ' ' N L ~ ~ m fl . - G/ N - ) U, v~ v~ p "a t 0 _v~ v i - G~ tL0 = O a Q' - OJ v H O c C ~ o~ C C ce v) N 3~ N -a O u G1 c C a ~ a., Ln a ~ ~ co z z v~ v 3 , ~ > D N C O - ~ ~ ~ ~ ~ ~ N o +1 ~ m :3 o 0 Cr V ~ 4- 0 p ~ 'a O w ~ C c° p N ~ v, av C (U 0 N 0 ~ O •N ZZ Q m fl. ~ 4- m w ~ C ~ ~ ~ -0 ~ 0 . O c m m 4- c~ O O O O O O 'F1 ~ O p N v~ 4u 0 y- ` ~ ~ m L ~ O 4J -p i~ Q a i~ t a ~ O O O ' 'a ~ 1 o Q cc cr- oc LL Ln c 0 0 m c w cn ~ v E ro ° m v E s ~ ~ au N L > c 0 O..~ W v w .L s N ~ L c -o ~ a ~ ~o ~ ~ N O G m m c m U pp ; ; v r ~a t0 f0 'a 2 ~ ~ C~ 2 . w u, j ~ u. j c W ~ w w m w 0 o u ~ Z vi N ch ~ ~ N ~ O O r- + L + L L 1, l0 O 1 i N N lD a-I O N I- + 00 + 1-- l0 00 V--I M ~ ~ i O v m c > ~ L L m C G V 00 t"4 ~ 8 r-i r-I N rli ~ 0 N O N \ n N ~ a~ ~ ~ L a aA ~ 'i L ~ U U O a~ ~ ~ aA C O !aA ~ ~ I~ V 0 a Ln ~ W C (n ~ L ~ ~ 5 V t/f a s U a-+ ~ 0 V yG,J m C 0 a) C9 +r a ~ m E GJ C ~ ~ O L ~ ~ ~ U C tn . Vf ~ W O cc C ~ ~ 0 w W ~ Q Z ~ L N ~ L N U N N N O ~ Q. w L v ~ ao ra N ~ O y > N L ~ O C ~ Y m ~ m 41 UA 00 E V1 N V) Q) O O ~ O lu N N Z ~ Z 2 Z Z ~ v o o > o ~ o o - .C 'a (U ai ~ 5 n C O w N ~ c c = V o Z O w V LI) ~ ~ ~ ~-I 00 N r-4 00 (3) O ~ e-1 r-I N N 29 M N ~ d-~ t'a L ~ Q. O GJ U C ~ ~ ~ ~ W 4A f0 C a~ L 0 r-i e-1 O N v a-+ GJ vi ~ ~ ~ . ~ N 4-0 L ~ > ~ V N GJ t V ~ H-~ tJ c ~ ~ ~ ~ C G1 C ~ ~ O i ~ ~ ~ ~ V N t V ~ 0 !'1 N ~ ~ ~ ~ ~ ~ ~ ~ r-i o 0 0 0 ~ ~ ~ \ o ~ N N N ~ ~ ~ ~ l~0 l~D l~0 t~D t D l D \ ~ \ 00 U v- O C ~ E ~ j H ~ i 7 ~ O N Z ~ Q a O ~ 'o. E ~ ~ ~ o v -0 s ~ ~ ~ L ~ O r 4-1 V t.0 ` (D N 41 N 41 N C C C C C ~ lp fC t0 N f0 V ,J c y ~ L Q1 W L Q) a) m U-c V U.~ U U'a U E O ~ 'F', Q a'd x ~ o c ~ v c a> > 'a v • ° t W O ~ N m m cu ~ 4-1 .4+ Q a v ~o c~ ~ v a ~ v~ ~ 3 3 p, u v~ u a N on aD Vf ~ N V C C 0 c v v v acui v o 0 -C t Ln d w > V1 > N ~ ~ G! V CJ L V t~ V U V u. u N H W OC a~ a~ ar ~ a a m ~ N W > w Q N G~ Z > N N ~'~/f N L Z ~ N ~ 4~ V U U t D r+ m m . ~ . rt a Ln e-1 T-i e-i Ln M l0 d~ ICt v r- Ln rn Q ~ 2- W ~ L t ~ C C C Q ~ _ Y Z Y c Y c c o Q 0 m co m cp m m m m ~ c ? ? ? Y CL) c ~ 'p U ~ G! N cu dQ ~ L CID l'i N ~ rr ~ ~ ~ ~ ~ " ~-i ~ o 0 0 0 0 N N N N N M \ \ \ \ \ C N N N N N ~ ~ ~ ~ ~ l D l D t D l D l 0 O ~ Q 0~0 d~A d~A 0~0 d~0 N N N N C1 C C C C C ~ ~ N 4) G~ U U U U U W J ~ ~ ~ ~ ~ Q 0 ~0 d iD O D 0 0 iD h ;a ;a M ;a ;o cc L L L Y. L c c c c c VI Vf N tn Vf N W v cc (U ~ ~ c M w L N ~ fC -j f6 ~ c Y J O U ~ ~ N O O VH O O ~ O ~ U V U U U C C C C C co m ca m ca C C C C C W ~ ~ ~ ~ v + a- a~ + + r. a- ~ 2 C C C C C a m Z ~ ~ ~ ~ v v v w u, C G C C C 4~ 4- 41 ~ ~ ~ ~ m 30 N ~ > ~ ~ N ~ ~ ~ ~ ~ ~ r-I ~ o 0 0 ~ ~ ~ N N ~ ~ tD t 0 Z O t t a > > > U > > N U U 'fl ~ (C C C ~ G1 G1 o C U U W J m ~ v v a tio m > > E m U -0 c c t U 0 ~ a~ c a to v r N (A y ~ m U Cf J 'p C N O ~ G ~ 3 ~ Q O E Y t!f ~ ~ Ln y ° rn o ~ ~ m o. U U U C C C W ~ C C C Z C C C ~ ~ ~ N c .2 ~ L ~ CL 0 (U v C ca C G) a.+ ~ m G a~ aw ca c L ~ e-~ ~-i O N V a-+ CJ . ~ W ~ N ~ L ~ ~ ~ V N ~ ~ u 'a O ~ V ~ m C w +0 C m E GJ C 4-+ 3 0 L ~ ~ 3 c~ C ~ ~ s V O ~ e~l N ~ ~ ~ ~ ~ r-4 ~ o 0 0 0 0 0 4-0 N N N N N N \ \ \ \ \ \ O O O O Q N N ~ ~ ~ ~ ~ l D l 0 l D 1~0 t D l D 0 Q +v' u u- + + +-V L L . _ _ , aV~ +~V+ ~ ~ v v ~o =c , a , a ~ Y ~ ~ I C N ( O c 9 N > > > 9 C C U U V V w w w w U U W J m ~ a s -C L L s ~ c . c . a . ~ . c . N N N ~ N c o ~ E ~ ~ t/1 ~ m O N C 0 C ~ W a 4, v ~ Y~ E L E O ~ p a, -°a v 3 C v ~ w Z v cn C a -o E m ~ n M tD " w Z .-r w t Z O ~ ~ ~ ~ N i M N L L M rl ~-1 M LL ~ w ~ ~ u c v v c c c c c c c c fC N f0 f9 (O N C C C C C C W 4w + . a~1 a~ v+ . a C . C . C C - C . C . C Q 2 2 2 2 2 2 Z a, a~ a~ a, v v c c c c c c 4-+ Y i-+ i-d 0 0 0 0 0 0 N i~ d C t7; !~'1 N ~ c ~ 1 ~ o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4-0 N N N N N N N N N N N N N N N N N N N N N N \ ~ ` \ \ \ ` \ \ \ \ ~ \ ~ ` ~ G r-i e- 4 r-i e- -1 r-i r-i i ~ i r a- -I -I r-i N e -i N e- i N i ~ N e- i N a- i N r-i N e i N i e- N -1 e N t- i N -1 r N N ~ N ~ N ~ N ~ N ~ N ~ N ~ N ~ N \ N ~ ~ \ ~ ~ ~ ~ ~ W ~ ~ t p t D l D l 0 t 0 t 0 l D t D l O l 0 t 0 l D kD l D 1. 0 t.0 l D t D t 0 l D l D 0 t; Q y + + + + + + + + a + N a+ V1 V1 a-+ N a.+ G1 4+ ~ 4. N + N a. 4J + Gl + G! N + N a. N . N a.+ N N a-I v ~ N ~ 4.+ a! 4.+ N N N ~ C C C C C C C C C C C C C . C . C . C . C . C . C . ,C C C ~ ~ -a -a G! N v G! GJ N v ~ CJ G1 d N y v N ~ G J N N N N N ~C ~C Y Y Y Y Y Y Y Y Y ,G ~ ~ ~ ~ ~ ~ ~ ~C ~L Y U GJ U CJ cJ N c.J CJ U N U GJ V v U w U N U 41 U N U C1 N c0 f0 f0 t0 f0 f0 V cu CJ a1 C~ 4J L t L = t L L .C .C t t L G1 G! N 4J GJ ~ N L = -c U V U U U U U C.J V U U U U U C,J V U u U U U U W J m ~ a ~ 4~ v v v 41 v 41 v 4~ ~ v 4~ v +1 +1 v 41 v 41 4~ 41 ~ 41 v 4~ v ~ 4~ ~ 4~ v 41 v 41 v * ~ . ~ . ~ . ~ . ~ . ~ . ~ . ~ . ~ . ~ . ~ . ~ . ~ . ~ . ~ . ~ . ~ . ~ . ~ . ~ . ~ . E . c . ~ . ~ . ~ . ~ . ~ . c . c . ~ . ~ . ~ . ~ . ~ . ~ • ~ . ~ . ~ . ~ . ~ • ~ ~ • ~ • N . N . N . N . N . N . N • ~ • ~ • N . N • ~ •i N •L ~ N •i ~ •L N N ` N •L N •L N •i N •L ` L L ` i ~ L ` L ~ ` N ~ G! v N N CJ ~ N N N GJ ~ ~ ~ N v N N G1 N ~ ~ c Y _ N L 41 L L ~ ~ Q W O ' O ' Y . ~ ~ J C a D , J M C C ~ C m ~ ~ O c ~ = H O ln m V V 0 "0 fC W -a t L f0 f0 -j y~j ~ 'p O Q m L m 00 L = O a C C N (n C ~ ~ ~ ~ Y c..~ C C C ~ O (u 'u rv p = t~ co ro ~ ~ ~ ~ -0 " ~ M co ca ca ~G "a 3 C C E m 2 W W Z W Z W Z m > l0 N = U n U = 2 = 2 U ~ I- a a ~ w p ~ ~ _ Ln ~.n Ln Ln t, ~ Z Z Z O O r-I 00 O O O +J 4-1 O u1 41 et N tD [t M O L ~ O O r-i " O 0 L11 N d' r- M N t~ I~ r~ I- LI1 O + ~ + + lp c1' 1~ t-I tn Lf1 i-i a-i r-i r-i a-i t!') N N N N N N lD 1, 01 v v v Q) v 0) v v ai v v v v (L) 0) 0, a) v v 0, v CL, v u v U U u u u u v u U v u U u u u u u u U c c c c c c c c c c c c c c c c c c c c c c t0 t6 tD R fC f0 fII m (6 f0 !6 (O f0 fD fC fC f9 fC f6 f9 f0 f0 C C C C C C C C C C C C C C C C C C C C C C W N + 4! + N ~ 4J ~ N + GJ ~ N C! . 4 N . N + N 4 N r N G1 G! ~ a ~ ~ 4 0 N G1 v a1 a.+ a1 4-+ C C + C ' + C ' , C ' + C ' 4 C C . C a. C . C + C + C C C C . C . C C C C ~ C C G c cp ~p m u o o a cp tv rp m m a ca ro cu co m co ca ta 2 Z> 2 Z a, v a~ a~ a v a~ a~ a u, a, v a, a, v v v a~ cu a~ a, a c c c c c c ~ c c c c c c c c c c c c c c c 4~ 4~ '4~ +r 4~ 4~ 4~ +4 +J :+4 4~ +-J 0 0 Q 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ w cc 0: w 31 N ~ 2 ~ L ~ Q. 0 ~ v fB ~ ~ ~ G 4J !]A ~ ~ L ~ ~ ~ 0 N v +r ~ , ~ W E N ~ L ~ ~ ~ V N s U ~ N- 0 ~ V ~ ~ C ~J C ~ a ~ ~ O N^1 W ~ ~ U ~ I~\ ~ ~ ~ ~ V ~H ~ C ~ ~ O N ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ V-1 ~ o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N ~ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ C e-i r-I ri r-I rl e-i r-I r-I e-i t-i H a-i r-I H e-i N r-I N e-1 N e-i N H N r-1 N l-i N t-i N e-i N e-i N H N "-I N H N r-i N `-i N e--i N N \ N \ N \ N \ N \ N \ N \ N \ N \ N \ N \ N \ N \ N \ \ \ \ \ \ \ \ \ \ \ \ \ 0 \ w \ tO \ l0 \ lD l0 l0 lD lD lD l0 l0 tD l0 l0 l0 l0 l0 lD l0 l0 lD l0 l0 w l0 l0 l0 lD w l O ~ Q Vf tA tA VI Vf Vf Vf N N Q7 QI QI N CJ N GI ii (u Qu 41 41 Qu fr Q1 i~ w 4~ Q) 1- Qu i+ (L) Y (v i- w V Q) F+ G1 41 (1 4~ w 1~ Q) i~ N GJ d Q1 G1 Q) G C C C C C C C C C C C C C C C C C ~ C C C C C C C C C C C 'a '8 'O 'a 'a 'O 'C '6 '0 'a 'a "O "C 76 Y Y Y Y Y Y ~ Y OJ 41 d v N G1 ~ ~J N G1 4l ~ C! GJ OJ G1 G! GJ N C1 GJ GJ ~ ~ C C C C C C C C C C C C C C C C C C C C U U U U U U c~ U f0 fD t0 fO fC f0 f6 f6 N f0 m f0 f0 t0 N f0 f0 m c6 c0 l0 fC t s t t L L t L GJ ~ N N N ~ N C! N ~ d N C1 OJ N G1 N N C1 d N G! U U U U U V U U U U U U U U U U V U CJ CJ U U CJ U U o C.J U W J m ~ a 4~ a, 4~ a 4~ a~ +w a, a a, 4~ a~ .d a, y a~ ~ a 4~ a, +J a, +0 a, .0 a, +-J a, ~ v a, ~ v 4-0 a~ 4~ v 4. a, ,w a~ +4 v +J a, +4 a, ,d a, .J v +J a, Y a, 4~ a~ c . c . c . c c c c c c c ~ c c c c c c c c • c . c • c • c • c • c • c • c • c • c • c • ~ . ~ c c c . c C c c • c r c • c • c c • c • c • c c • a • c • c • c • c • c • G • c • c • a • c • N . L" . N . N . N • N • N . N . N • N • N • N • N • N • N N • D • T • N • y • N N •L N T T •L N •L N N •i T •L ~ L L L ~ ` L ` L L ` L L ` ` ~ ~ ` ~ L ~ a1 G1 ~ N GJ dJ C1 N GJ G1 N G1 4J G1 N CJ N ~ ~ N N GJ v N N N N GJ N N a L - ~ o N Q1 t ° o 5 ~ C E ~ ~ v t ii c ~ - ° ' ~ c ~ L c a ~ 3 c o E Q ~ n V ~ Cl ~ N (O ~ ~ G ' E 4- E 4- ~ " W W y W n L fC N L d L m W n W n ~ ~ ~ tn N W N F 3 la 3 fC ~ O N N m L = ~ tn E L L a ~ to C m M 0 c 0 ~ C C Z C ' C C uf ~ Y Y O L ~ N w W J ~ h 3: ~ ~ C GJ = ~ f0 a N c (0 fD f6 e-i VI W W ~ M (n W '-I Y Y Y a-i a-i Z Z (D Z N O C ~ W Z ~ ~ N N ~ 3 Y Y Y Y Y ,G Y L L 00 ~o O J C.~ L f'n `-i tn (n tn m m m .Q .Q m m m .a O O O .0 .Q M C I- W O u'f O O O O O O O O O O O O O O tfl C~ M N tD 0 N u'f N tD O O O O O O O O O ~ ,.t u1 O O e-i e-i e-i N ri f, H Z N N N c-1 ri ci m m ri rl d' In -th M l0 0 M ~ ~ ~ r-i H a~ a~ a a~ a~ a~ a~ a~ a~ u~ a~ C~ a~ a~ v a~ G~ a a~ a~ v N a~ a~ v a~ a~ a~ a~ a~ u v u u u u u u u u v u u u u u v u u u u v v u u u u u u u c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c cc m m ca m ca ro m ro co cc m m m ra ro m m ro co rv m cu m m co m rv ro co c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c W a a~ v (U ~ a) v + v ~ a~ ~ v + v ~ v + ~ a a~ ~ + v a ~ v a , + a v a+ v w a~.+ ~ v v.. a a~ v v-~ a v v C C C ar C ' G ' C ' a. C ' + C ' C C C - G C . C - C C . C C C C C C C C C C C C C C C G ro 'co m io co cp co co m cv io ro co rv m cn co m m ca ru m co co ro co cv ra m m Z v v u~ v n~ v a, v a v a~ v v a~ v a a, v a, v a~ a~ v v v a v v a v c c c c c c c c c c c c c c c • c c c c c c c c c c c c c c c i-+ Y i- i+ ir i+ i-+ i + A-+ 4+ i- 4+ Y Y i-~ i- d-+ 4-+ i~ 0 0 0 0 Q Q 0 0 0 0 0 0 0 0 0 0 0 0 0 Q 0 0 0 0 0 0 0 0 0 0 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ = 1= f 32 N ~ 0 ~ L ~ Q. O ~ U C f~ ~ ~ ~ ~ ~ GJ aA c~ c L ~ ~ ~ O N u a . ~ ~ a~ c Vf ~ L ~ ~ 5 V N ~ ~ V 'a 4- 0 C1 u C ca ~ G1 ~ ~ m E a c +r ~ O L ~ GJ ~ ~ V C ~ .~i C ~ C O V N ~ ~ r.. ~ O ~ 1 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ H ~ r-i ~ r-I ~ r-I ~ r-I ~ r-i ~ r-i ~ r-i ~ ~ ~ ~ o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 •i+ M N \ N N \ N \ N \ N \ N \ N \ N \ N \ N \ N \ N \ N \ IN N \ C N N N N N N N N N N N N N N ~ N l~D l~0 l~D t~D l~0 ~ t~D tD ~ l~D t~D t~0 ~ l~0 ~ ~ lD O 13 = a 41 +1 41 +1 4-l .1 4-1 4-1 41 +1 +1 " U ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ * C: C ~ ~ ~ ~ ~ ~ ~ N C G1 C v C N C G1 C fU C N C N C ~ C GJ C N C N C GJ C N C fC > Y U cC 4! (O v c4 N tD N f0 a1 c6 N c6 CJ N GJ [0 N c0 ~ c0 CJ /0 ~ c6 G! c0 N f0 ~ U U U U U U U U U U U U V U W U W J m 0 OC . - ~ 1 1 +1 4W 4~ 4. 4~ +1 41 ~ a) 4 a, 4 a, + o, + v a, a, v a, a, v a, a, a) a) a c . c c . c . c . c . c . c . c . c . c . c . c . c . c . ~ • ~ . . c . ~ . _ . c . c . ~ • ~ • c • ~ • ~ • ~ • c • ~ • ~ • N N N N N N N N y N N N ~ ~ ~ y L L L L L L L L L L L L L L L L 0 0 ~ 0 LM 1 0 1 0 0 a 1 0 0 Q c lo 0 0 w z L 0 0 VN'f c - ° ~ ~ ~ ~ s N E a`, 3 ca o z ~ c o w G~ ca ~ e a y ~ p E ~ Q I~ L C N I N ~ ~O C VI ~ C ~-1 fp / N ~ fp ! N ~ !p f0 ~ M N ~ Q fC +.i lu ~ ~ ~ N ~ ~ ~ m` cv ~ ~ 3 3: i . i i ~ ~ ~ Z 0 O o I~ rn O vf ~.n N vf L vf rn N o M 00 r-i M .c ~ M N ~ tt r+ ct r4 oo v-+ m ui m tD r+ t.o c~ m r~ GJ N N N GJ N O1 GJ GJ OJ w N GJ ~ w C! u C u C v C U C U C v C U C U C U C U C u C u C u C U C v C V C fC fC f0 fC c6 N f0 m f0 (0 f0 c0 f0 m f6 f0 C C C G c C C C C C C C C G C C W N GJ + G1 N , C1 , 4 G! ~ N + + w d N G! .4-4 w .r N a+ N 4.+ G1 a.. N .r C ,C C ' C C ~ . C ~ + C ~ . C ~ C ~ C ~ C ~ C C C C C C G p m i co n ra cv co m m m m co ra to ra Q 2 2 2 2 2 2 cL 2 2 2 2 2 2 2 2 2 Z a, a, v a, a, a, a, a, a~ a, a, a, a, a, a v c c c c . c c ' c = c _ ' c c c 'N c c c ir c ar c +r ~ 7 ~ 7 + ~ ~ + + 7 + ~ 7 7 , 7 7 1 ~ 7 ~ ~ + 7 O O O O O O O O O O O O O O O O ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ w W- 33