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Coppell Health-SY 890309
-?> k:ev,~tI ~ ~ - 3-/"1--5'7. '~"e.n 41 /LoMP;"AjW, ~. : '-'<_0 sA. '11.>>0"1. '-€' ~ c. . rr'Y.. ,..,~. . ~ ~~ ~.~.,y _~F /,:?,,:JE. ~l~~1illI1/llii '~'~~~Ii$ . ",-:,_,-:,,\,-!:I;~~f,i.,'\<~4~.~' '1'c S14oHr2tS G~Am ROBERTS & DOWDEY CIVIL ENGINEERS 16200 Dallas Parkway, Suite 200 Dallas, Texas 75248 (214) 931.0694 Robert E. krey. P.E. Dan M. Dowdev, P.E. David E. Pierson, P. E. Buddy J. Roberts' P.E. J. G. ThreadgIll, P.E. (R.'lr.d) ~ ~ ~ 1 U lIIR \ 0 \989 \ 1 March 9, 1989 ..cnIQCRESl HOSPITAl ....... AUlHOR\l'f Mr. Otto Bejcek Metrocrest Hospital Authority Professional Plaza I, Suite 200 One Medical Parkway Farmers Branch, Texas 75234 ~I RE: Coppell Health Care Center Coppell, Texas Dear Mr. Bejcek: Enclosed is a copy of the data concerning the proposed lake on your site in Coppell, Texas. The data indicates that the drainage area provides runoff to sustain the normal pool level of the lake. However, since there are so many variables involved, it is to be expected that some variations in the water level can be noticed during the months of low rainfall and high temperature (evaporation). This data is generally what is available to estimate such situations as yours. If you need additional data please call us. Very truly yours, //,- /- ,/ / (' . /7 /1/ ~ ._~.,.' / lA //~r /Z-,,;--- <--:[~7 / Dan M'. Dowdey, ~~~. DMD/dkb Enclosures cc: Mike Allen 0/"/19 ?oPlC:-.s- A-~50 -ro: R...Pt':>YU:-/ Ce1rPEU.. c...);y,.."CiIC- ---10 "') MIt1~nrV M H~ A"1T'I , ACREY, ROBERTS & PIERSON, INC. THREAOGILL.DOWDEY & ASSOCIATES r-- -- MEMO FOR FILE R . D JOB RO. 88-132 March 2, 1989 RE: Lake Calculations SUllllllary Coppell Health Care Center The basis for the lake inflow-outflow calculations is as follows: 1. The average monthly pan evaporation values were obtained from the Ft. Worth District Corps of Engineers. These values represent only the average pan evaporation for 35 years of recordings. For example: July mean = 12.12 in. with a range from 9.10 in. to 17.10 in. 2. The average monthly precipitation values were obtained from the u.s. Weather Service. These values represent only the average precipitation for 30 years of recordings. 4. The City of Coppell's commercial water rate9 are as follows: (! I'rl-'CJ -It. ~o-l< / / Nul $. 011I IIlI, kf~ ;.ertll~ ~c!e~ Yt-f. L,lteY ~V~ ~ d1f1. t' p 3. Additional losses from transpiration and lake seepage are not included in the calculations. $ 5.60 for first 1000 gallons (134 cubic feet) usage $ 2.30 for each additional 1000 gallons (134 cubic feet) ll.sage 5. The resultant inflo~ was calculated on both the fully developed and undeveloped waterShed.~he positive resultant is a direct result of the parameters the watershed including size, soil type, vegetation, average te ain slope, etc. I! 11 -IJ;"'.../ /l1e:1!. ../ f j, UId...1f ~: W"<ft::/~ ~;((;./;... k t'i~ i";h~! ~IM.J - Ov.M"k.f,~ ~~ (hO't Jk~~)..r;..,.. 1Us';""'''' ~.f~ (t{I1'~J. ~0 t-WetL( #v..+- 1J't1'....J ?t.! €Iw,.ta:"" 0.111,1 k ./'Ia;"eI, ht #..c. ~I 1.J'if1....:.. ". l. ~H... ?w,;,/. nUS ,t /',"sek ~.Ie1 ~ t~~ ~. ., CAI'-t.~ I ~.,.~ ~ t4u ~ 'h.4 I~k. SU/?J- 1m. t.~. KP - -(ArE t'A//('{NA'7/&N S f; 3/2/&9 81: /-;,;_. ./ ./~ ('f)PYtH IIE/l/TI/ t'/.-.I;c t!bh/"I-' ~ ~-- ~~ --- ~ ""J ~ ~ \( ~~~ ~ ~. ~ c:::o~- ~ r~ ~ ~~ ( ~ 1u ~ ~oc ~~~ m~~ ~ - i~ 0,: ~' ""-' :s ~ ~~ ~~\.i "'l:~ ~ ~ ~ .u. ~ (; @ (J;;J J~ J"AN 2,~ 1,7 8545' 288,803 Z8q 258 .,...".. ......... ......... ......... :::::: FEe 5,q /,9 /1;49Z ~22, 780 )/~P3J ... ... ... 311,288 000 "'00 -C't -C'tor ",,,,or --- MAP 6,2 P.4 /8, c$ 4~722 389,453 /4 (),Z9tJ c:.c:..:. C'tC'tC't '1 Am. 24 ~6 2/,.805" 6'/~ 5Bz 589,777 ?/~1)3z 1-4A Y ~r; 4.3 25, 34 J 73q 501 7tJ~/6P 25~ 7~.3 JUNE /a4 z,tf, 3~ 645 441, VIS 4/t1J53 /J~JZ~ JI/LY /Z.I Z',/) ~~5 3:1~ 7~S ~#4//3 ' 9~/477 ~ AU6' I/'5 /'8 33/ ~S7 3C/5; 79/ 27/, 9~4 GS;~32. 5EPT s's :1,.3 Z5; P47 5'6tJ, ~/7 ?35;57tJ /92,971 P~T ~3 25 18, 5"64- 4e~ 7/a 4~/~ 1~6tJ N(}Y 4./ /,e /~ tJS/ .:J~5; 19 / Z9~ 710 la/8.3S Pee 3,) ),7 '11;J1J 288, ~3 279, (,?,g /tJ~ /77 ,4IVA/L//lL ~~O 29Jo 250,4~7 CJ; 5;tJZE,5'~(/; 47l8,1f)'){r t7~t67:F'. AVG. (5. 75 k.-~/.) (/15,44 Acorl.) i1~o(r14c'FJ) (3'l./4k. .) ~ ~ "5ource ~ F}, WorlA D"I,id C(Jrf~ ,/, tllJill~fl'~ (btt (jf;lt",ir~) a\ Source; U. '5. W(Jlkfr S~J'l/J~e. (Norlff;/ 30 yr. Al/q, ) A~J .... ~ /, 3/ t' /59 - _I &5-/32 l-;: ;;;;;-;:;;: ~R I ~ I I MO/1IJf LJle l"v~ (lid-flY @ AtV 11/PIf~tY~" L/I'~ J ,K 5bJ'/fc.e 4. ,/~.I~ ~) /2 'X (A 6a'J'~: . Jdn. 2.9" A' 08/ Ik =- t), 204 -/1 (&527 Co /2'Y. f4~j1 l6t;,,C// ;"1%,,/ (4-,.7): @ $2.0 A;~ /I~;,.j{fH~p. (/7) % ~ /. '7'/ .. ,,/z'Y, x 0,90 G",~ ; :kn. J/../I. fA) ~ x ( ll/l. ~ !.INE ~. %.4A.. 1 L/#E lip' 4./ A~. i 54k"tL Mr tPP'~ICD) /'1 A. I i \ W~A'" h-.....OCJ'lT'0"':1 !t?T 6 (Plrr-6/'#,/J...,) 75 A. 1 ( ~aC-H OF n+e- /1m: /0 lIal!fZ n? /.0 ,/It:. : -r~CTS(P~~) IN (~I i?r J."f'eG) I*E: J ~ f'tctLE ~J€" ? o \..I~ . , V fbAJ /IJ-Z.,I! /, 3 ""- 5?o~ .; NOTe" 4 /$ hp,~/ ,p.. ~,i,p/' c;,.,./",,,, i ///1~" e;rdK; 6~Z~ ../ " ~'tf ~ ~ #,.rc;/k*"'~.& 030 - 0,35 ,:. (33'-~'/ 1&-1"';. \. !.All t'.#/~L/71' ~ f/O.e ):tvt LEVEL." /71, 008 e,F; (4.ll A~-F4) CIJNVERs/OI--/ ;::/?t'/~~: ~/. ~,F.) y 7 48 1I111;{~ (sUEr. .4R//' 35;J? .,,) . ~ AvelMdfE. /)sPnI (J J.6~t, 1'Nll.- ~ = S;:b/,' I I, ,.-. .- ~ '~- - I;; c-' DEPARTMENT OF THE ARMY FORT WORTH DISTRICT. CORPS OF ENGINEERS P. O. BOX 17300 FORT WORTH. TEXAS 76102-0300 RE~LY TO 3 March, 1989 ATTENTION 01': Hydrology and Hydraulics Branch Engineering Division Mr. Bill Anderson Roberts and Dowdey Civil Engineers 16200 Dallas Parkway Suite 200 Dallas, Texas 75248 Dear Mr. Anderson: Enclosed is the information that you requested as per telephone conversation with Stephen Pilney on March 2, 1989. If I can be of further assistance, please let me know. Sincerely, 50. Hydraulics Branch --.------ ---..-- ..-.-- ..- - \ , ){ ( ., (.>" \ \ ) , J '. I "-- Station 6' r? t7 --.- :/ I/')-: .!? '} 0' , TAEULAXION OF m:DROLOGIC DATA r p~? Ei//f,.oar,'? ~/""'''' &.S.(.l$~::41;r;,,<,_-=. I ..~~,' ,; I ~~ l.atitudc Lonptude. Elevation. () )/C,Hr:..s )~,.}jj 1cct n 'lr_ J..-r 7....,. Werck April w., J.... Jaq ~, ",-bw 0ctD~ "_tow ~bw "-- ... f: eo eo e . , i j(1 ~g 11.5Z II. gt! /f).55 7.~, .1..// . 5. (.,9. (4..,.57) .~ eo ~ e. 64 5. 07. ",.K5. 7. g3. :'/.10 . K.J7. /5. tY/. 15.?l 15.6f IO.9~ 6.&5. J,:52. I-.P? 105.4(,. 'I eo c:. _: i"~5 J.4-5. s.~c ::;'.69. $.20. 10. ZZ. 1t).62 I?9/. /I~!. 9.23- I.Zo. 6.C'l. S.6Z. 94,S/. , ,.1 . . 5';' .s. Jg . .!.t5. i.tl. 9.25. /~.91 IS.71- 17. 10. 1~75. /2.64. 7. 9Z. 5.zl. I-- zz. /1.5'.40.. .. 'I ti~,1 7- It:- .1 . . 57 :t.eA. 2.?/' J.~7. Ie. 65. 12'. fE. 12.SI. g.~7. 503. Z. &'4-. g.:,'~ 77.C../.. ~::'. 0',. I '!It:. 2.76. ; Z4. !.,:}$ 'I ~.gg. 1. rz. II. 55, /S-go. IL75. $.0/. 4.Sr;. J.g-/-. 2.'19. g I. /!. .c I 3.9"1.\ . ~, ... . 61 !:,~')7. 5,~t.. t. ='?, I 7.1Z. 1//.//2. 1/.12. II. ~~ 9. 29. ~.17. 4. IS 3. S z.. P7. 14. . , - . I f. z7.1 ~j 19~O 2. 'Zz. 8. ~7, g.~o. I!)./Z. 12.01-. 1/.57. 9.fo- 9.~i . 5.77 . ~.~. Z.ZI J'''!'~3 ...~,-.I 2.33. $, gz. ~..Jf.1 i.55. 9.24. 1.5$. /o.qz, IOJ/2. <{.gl. ~.~s .. s'69. ~ zt. 1/.$/. , ~ ;'. '. r' ./.57. I 10.50. . t,.f/.. . ~z /. N. 6.S/., ~.sg. /2.~. 9.11- /1.07. 7./7- f.~6: 2.~ 12.(;'4. .. "1 e t. oj. . 7.r~. t5E, 9.44. 11,57. II, 29- /4. 18. 8.g~. 9.~~ 5.57. z.g7, e... ! G:! 2.10 7i.79 3.1-'. eo htJ. 5./Y' ;.7j, ~.:?3. 7.17. 8.70. 11.83. /5.7G. l.t.g'!.. t.07. 6,S7. ,S.61. -1;'.20. :~:. . l-.gll 7.~1 . /t.1~ I . . . . 0.:...-.... l.,~::) 3.37 5.43 ~.~5 q.72 /2.50 It). 5(1 5. '-8 s.~5 z.5'7 tz."c; e I (J (io ~~ Z.37 2,'1'1 7 {:z g./~' 7.gz 10,05' 10.72 g.71 (#, (17 ~.o4 5.C~ 2.96 1t,CO ; In? -il/ 439R ! 7.ntll YIPR ...r: ~1J11 .t. I cl i j,77 M./.5 //. t.f '7 1J3h .T. -H ..7 of!)./) t5' .3.53 ~, ! e - (pg 2; ?C:. '3 . If) A 5./1 D! b -:39 7 :J":J, J1. 93 B 91f9P If). 39 79tA 57tl 3.Jbj) .3'. It! 74.3C. . ' . h~13./~ 5./~'c> i 1.:.57,1{ I , . .'3. )...5 7..~1'/? /1 t)tJl~ /~. ~-,I/~.I'7 I~.I,,? ~ t..4'JA I ~:1. a: 2..~~ ?,q. 7 ~ '. jJ70 l [..4;' " ':''': '-, .J .: r: I ~.:10 P. tfS I Cf,:<tj{; III. t./.q i/. /~A 7.~:!, ,~ ..5. I? it/... 7q~ i400 -:t.7S- ".'C . ' 1r:~Y.t ' ,I'. 7/ 1/.17 I,' 5" i-;' =.. I~,:"'e. /;'. r/ f. /.~./! e. .f~::.6 ~';r' r..:Jtl e J, ~.J_ k:1 . CP /J. o -.:;; ..,. I n.':> . -:t / q 'J ::... .:J. "it.e 4. .ft. e '/..-.'t.la,'6-.9 1. 7f A I/. /).J IE. /).ef //, IN' .t! 7, it. A ~.13 ,0 3.7j~ .:UJ. f7.1~ - I'" ,., .~ 1;..."') ~,~. < ...- r~.Ir I /'.' .- . .t.1'j. 'l/' 1- ro .....Iv! J: ~'~t 12 <(d.;;? (;;,(11' ~ ~/- Et1~. <' 7LS-: /(('.'J() f!r: ';'. '.' -.J ' : ; :.;.4.1' r lu,; I " ". -, .....", I. ." < I I -,., (' ., .. (". f. "JJ 7,(((- .; ./.t- 1";':/1 J ~ .1..., I ! ....J,.~ .:: r ~ fr.44 4.7:' ~), )D ~- . . ~{'::"~" j' ,., I... . (. .";.r !.. Data, /5.C":: t ru'1 rtj /9 t:. 7 , \: e It' i / & h /'1.:7 ,t ;:'-7 ~EMAn.~s 'Xc ;e;:'/hc' 2 :.. lI~jl.."'''7c! /1101 Thy V~ /vc { ("_....,../~;,Q7Cr.IJ ( ) 3'w'F Form 65lt.-J L7 Oct 62 I I./CP , " I . .' ..J._ _. . , ~ " 6J2ArEv/~Jc [)A /--f ~N OF BIDROLOGIC DAXA Ccnmt;y.,t,;?.(/ &AP;;I;:",,-nr~ / State. Latitude Lcmcitude, PFI/Y ErR P . (IN,... hE ~ ) Elevation, leet l..I~~.r Data, ",,:..J Y_ J......". JP.~ w..a. .A,.n& Ma.r J- J.q A_I ~- 0........ N__ ~_ -'-..a . - '.111~ p.5'?fJ., /..14 . {.IJ./'T,P '=_376 aJI'i,t; t. ~3e 't.%:?,t3 /(}.~/A 7.~.1A s.nlt/3 l/..!./,tJ ~.?/~ 7(../.2..' E E ~ ~Jq1d /,C.Z.'8 5.348 ~.8.3-e 8.82:/3 .8.T~e 11../;:8 /3.3/ 7.12. 5".4W 5:18'/3 3.43-B 2.38 8/.:7 I ~ :i 17;'S 3.~2..[3 '3,CJ9'8 1:80t t..82-B ,.51'8 9.1-5 '7./6-8 7. '3-11 Z1:7-f3 7-7"2-/3 6.....5413 2.7S-{j - 7C.t.= , E E E r .- -' 7t. 3..56 ..r::r5-l3 7.Z3B b.13=.e 8.03-8 8.97 '1./0t, /1.27-1. &-7~'8 3.J',5.c 2.77-/3 2.3/-6 7(..:',0:. A E or E ..; 77 ?B8 4.87-6 '.77.61 7.40-B 7.7(.-8 /1.7St:. /4./tJt //,37-t. /().2~ ~.88-e 4.32-B 3.:S'i-c '?E.a:. ., "I Ii' ;:J I E' Ii .'~ 78 2.88 Z1CB &..8~-'"'1 7.83-L. 8..34.~ 1/.47-f. /5:f-4'o /25'3 7.70.8 7.82-S 3.12-i, 2.75" 8r.7t. A;' 'I E 1:' $ 79, 2.88 ~.71- S:1"1-c1 C.~B ?'O'-Br i.e~-6 ".73-/3 8..8hs 7.7216 8.446 3.85t. 3.33 7'l.1; ,:.1780: 2.'-9- ':1-o28.t ~~.3:'! 7.~'f-6 7.'t4.~/3.7E-1(r.;::;3i3 ),5;OI-P. 1I.7u-B ~,~+, 1./.311-/0. - ,:;.j I CfRI - - ,S;2.Cf-k 7.Ll617,C/I./-BI - ~/ - - ..!;31-R' ~.PI-P. - . . ,,:~L.:~') · , ..J~ 3::n i I .'.:'::1 Jqp~ - - -16../2-E!7..:.:;-el "/.::'j' 1O.?t{-f), IO.7/-P. H.92 ~'1:.-e 3,.~/~ - ~ ':'1'tqp! - I - .5".31-el6'.6'1{ 17Z",j 7_7P-i-.IIO.97-J. 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