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Sun Square Addition (Lot 23, Block A) - Easement/Joint Use Agreement Easement Joint Use Agreement THE STATE OF TEXAS § COUNTY OF § Be it known, that the City of Southlake, herein after referred to as "City," and its franchised Utility Companies, herein referred to as "Utilities," do consent and agree to permit the following Ma G ( jD4ct J. /3/mus herein after referred to as "Applicant," to use an easement, situated on or abutting LOT 23 , BLOCK A , OF StlA/ 5014/7-6— , ADO/nOA/ IN THE CITY OF SOUTHLAKE, TEXAS, as described on the attached Exhibit No. 1, depicted graphically on the attached EXHIBIT No. 2 and consented to by the public utility companies as listed on the attached EXHIBIT No. 3, to be used for the purposes of ,3 L1/W o tf , A L 4 'd and being subject to the following conditions: That the Applicant, his successors or assigns shall maintain in good condition all of the easement area and the improvements situated thereon; and,that City and Utilities shall not become responsible for such maintenance at any time in the future. II. That the Applicant shall and does hereby agree to indemnify and hold harmless the City and the Utilities from any and all damages, loss or liability of any kind whatsoever by reason of injury to property or third person occasioned by its use of the easement or act of omission, neglect or wrong doing of Applicant, his officers, agents, employees, invitees or other persons, with regard to the improvements and maintenance of such improvements; and the Applicant shall, at his own cost and expense, defend and protect City and Utilities against any and all such claims and demands. III. That the Applicant shall arrange for all activities and improvements in the easements to be discontinued and I or removed within thirty(30)days of written notification, at the discretion of City, for: (1) Lack of maintenance to the easement; (2) Failure to provide access to the City or its designees; or (3) Compliance with a City Council directive that use of the easement by the Applicant be discontinued and the cost associated with the discontinuing of such activities, and the removal of such improvements, as well as property adjacent to the easement necessitated by such discontinuation of the easement, shall be borne by the Applicant. Iv. That the Applicant, his successors or assigns shall not seek compensation from City or Utilities for loss of the value of the improvements made hereunder when such improvements are required to be removed by Applicant. N:\00-New N Drive\ADMINISTRATION-PW DEPT\Forms\AgreementsUoint Use and Encroachment Agreement-Public Easement.doc V. This agreement shall be filed of record in the Deed Records of Tarrant County, Texas, and shall bind all future owners of this lot and shall for all purposes be considered a covenant running with the land. IN TESTIMONY WHEREOF,Applicant executes this Easement Agreement on this day of , 20 /ale / 6' • L5 Eel_ City of Southlake X Ju EgrRe 6 w /-1. Pr;� Print-. mKj C3 47 P inted Name X dJ / : �� ter,✓ By: _ ,�� �� By: Applicant's Signa ' Director of Public Works NOTE: Complete the attached acknowledgements. EXHIBIT NO. 1 Beingthat portion of that certain public utility easement / drainage easement situated in .6,7-23, OA//kit/6//T iUo, B49 Addition/Survey to the City of Southlake, Tarrant County, Texas, and being more particularly described by metes and bounds as follows: I EXHIBIT A: FIELD NOTES FOR A PROPOSED PAVILION: BEING A PORTION OF LOT 23, O.W. KNIGHT NO. 899 ADDITION. AN ADDITION TO THE CITY OF SOUTHLAKE, TARRANT COUNTY, TEXAS, ACCORDING TO PLAT RECORDED IN INSTRUMENT NO. D213250770, PLAT RECORDS, TARRANT COUNTY, TEXAS, AND BEING DESCRIBED AS FOLLOWS: BEGINNING AT THE SOUTHEAST CORNER OF SAID PROPOSED PAVILION AND BEING LOCATED 270.66 rLEA SOUTH 70 DEGREES 42 MINUTES 07 SECONDS WEST FROM THE NORTHEAST CORNER OF SAID LOT 23, O.W. KNIGHT NO. 899 ADDITION; THENCE SOUTH 66 DEGREES 11 MINUTES 38 SECONDS WEST 46.00 FEET; THENCE NORTH 23 DEGREES 48 MINUTES 22 SECONDS WEST 50.67 FEET; THENCE NORTH 66 DEGREES 11 MINUTES 38 SECONDS EAST 46.00 FEET; THENCE SOUTH 23 DEGREES 48 MINUTES 22 SECONDS EAST 50.67 FEET TO THE POINT OF BEGINNING AND CONTAINING 2330.82 SQUARE FEET OF LAND, MORE OR LESS LEGEND: BH ;;{.,ig;l: :i% LOYD BRANSOM SURVEYORS INC. • IRON PIN O IRON PIPE 'h '-.< OF CHARLES B. HOOKS, JR. • BOIS FARC STAKE _ �`P�4�s7FRrt9f'', REGISTERED PROFESSIONAL LAND SURVEYOR ❑ CONCRETE MONUMENT "°`� � : * ' 1028 NORTH SYLVANIA AVENUE —x—x— PO+� v'• T CHARLES RLES B.HOO .iB. ; FT. WORTH, TEXAS 76111 —."d— POWER UNE y —T—T— TELEPHONE UNE >. \ 3946 (81 7) 834-3477 —CAN— CABLE TELEVISION s s °+Q- � '`�j 7 / %4��� CONCRETE PAVING = 41) SUR'J j /jZr/js !� ASPHALT PAVINGWta_r=r^s; DATE: 10-21-15 ` ;t:a i{ REGISTRATION/LICENSE NO. 10111900 ` .f,:p:y 15-8606 J EXHIBIT NO. 2 The following is a drawing depicting the area or portion of the easement and property described in Exhibit No. 1, that is subject to the encroachment and joint use agreement in this application showing the nature of the encroachment and use with dimensions. This drawing shall include a north arrow, legal description of the subject property and adjoining properties. Indicate on the drawing whether the encroachment is for a utility, drainage, private access, easement or right- of-way. 1 Scale 1".= 100' EXHIBIT B: 4 NUMBER DIRECTION DISTANCE L1 S70'42'07"W 271.30 L2 S66'11'38"W 46.00 L3 N23*48'22"W 50.67 L4 N66'11'38"E 46.00 L5 823'48'22"E 50.67 I r ``889.27'08"W 436.95 ��• - FNO.Y P 7 t 1 Oa i 40' REAEi YARD SETBACK ___ ci, , \ L2 � I PROPOSED i e 1 PAVILION 4. 2330.82 S.F. _ 'oy 1 j' I, z FN • IR 01 yy1 DRAINAGE i' 1D{'u Document#0211171728 Lot 3.Bleck A T'.4 AI EASEMENT' i Ip O.P.R.T.C.T. Sun Volume B8--212.uare Addition age 42 ¢ I PER PLAT \I I� P.R.T.C.T. Iiv LOT 23 g N I , I I , , lI L-_--_ I 40' FRONT YARD SETBACK __J I r I I ND.CAPPED P S89.54'17 E 443.75 V FND.s/8 P (ww+c coNrnGL uN9 250 LILAC LANE 50' R.O.W. -ASPHALT LEGEND: BH =4'k : '`w _ .:::*14W LOYD BRANSOM SURVEYORS INC. • IRON PIN `=—'.=._._..?`-?2 _— O IRON PIPE ...i.:..:.^ �h # r,P��1°7 CHARLES B. HOOKS, JR. o BoIS D'ARC STAKE - , 2S 46 4, REGISTERED PROFESSIONAL LAND SURVEYOR ❑ CONCRETE MONUMENT ' �' 4 � ° `� 1028 NORTH SYLVANIA AVENUE - FENCE ^Fs" 'c --/:ARP. , CHARLES B.HOOKS JR. FT. WORTH, TEXAS 76111 —T— TELEPHONE ELINE ___�=''`'. .; \,..1,z1-61 (817) 834-3477 �:AW— CABLE TELEVISION - `:*% � �Y" f CONCRETE PAVING -'g'..:.:Y:zw,. 9�0 SURN�/, ASPHALT PAVING .::."§sfrit'ecf�'=4y` T .,.,PM-7„.3+..,a...+.4 DATE: 10-21-15 i \REGISTRATION/LICENSE NO. 10111900 ;- :"_E' 15-8608 EXHIBIT NO. 3 The undersigned public utility companies, using or entitled to use, under the terms and provisions of our respective franchise with the City of Southlake, do hereby consent to the encroachment and joint use of the described portion of such drainage and / or utility easement requested in this Application for encroachment and joint use of a public drainage and utility easement. Oncor El-ctric Delive Corn•an AT&T outhwestern Bell Tele•hone Corn•an By: By: (Please Pri (Please Print) Title: Title: (Please Print) (Please -rint) Signature: Signature: Veriz.• Tele.hone Corn•an Tri-Count lectric Com•an By: By: (Please P •t) (Ple. e Print) Title: Title: (Please Print) (Please Print) Signature: Signature: Cha :r Communications Inc. City of Southlake By: By: (Plea - Print) (Please Print) Title: Title: (Please Print) (Please Print) Signature: Signature: Atmos ner• By: (Please •rint) Title: (Please Print) Signature: Note: Only complete the appropriate acknowledgements THE STATE OF TEXAS § Corporate Acknowledgment COUNTY OF TARRANT BEFORE ME, the undersigned autho A Notary Public in and for the State of Texas, on this day personally appeared , known to me to be the person and officer whose name is subscribed to the foregoing instrument - . acknowledged to me that same was the act of said , a corporation, an. hat he executed same for the purposes and consideration therein expressed and in the capacity therein stated. GIVEN UNDER MY HAND AND SEAL OF OFFICE this the day of , 20 Notary Public in an. , the State of Texas My Commission Expires: THE STATE OF TEXAS § Individual Acknowledgment COUNTY OF TARRANT § BEFORE ME,the undersigned/ thority, a Notary Public in and for the State of Texas, on this day personally appeared/Ile/6 -I-(iiyzIQ(ej.J?"e kh US , known to me to be the person whose name is subscribed to the foregoing instrument and acknowledged to me that he executed same for the purposes and consideration therein expressed. .• N UtigkiAtrriatieftND A D SEAL OF OFFICE this the day of ddilt20 . Notary Public * J STATE Of TEXAS 440 "'"%11112 - 3,2016 9�OF MV Comm.Exp.January :34 ',��._ a Pu/ is in and for the State of Texas My Commission Expires: / / THE STATE OF TEXAS § City of Southlake Acknowledgment COUNTY OF TARRANT § BEFORE ME. ,A,he undersigpcd authority, a Notary Public in and for the State of Texas, on this day personally appeared ,.54,44-t.t~ , known to me to be the person and officer whose name is subscribed to the foregoing instrument and acknowledged to me that same was the act of said , a municipal corporation, and that he executed same for the purposes and consideration therein ex.ressed and in the capacity therein stated. '' VALERIE P0TTER GIVEN U.,1 E3 MY HANIER ANI A OFFFICE this the. iaday of�i� w , 20 J State of Texas ;1? Comm.Exp.02-28-2019 (W7:1 Notary Public in and for the State of Texas My Commission Expires: Z.-z?-201? IDEOTTE, INC. CIVIL ENGINEERING DATE: Thursday, September 17, 2015 TO: Alex Ayala, PE City of Southlake Engineering Dept FROM:Rich DeOtte, PE, CFM — DeOtte, Inc. RE: Lilac Ln. — Hydrologic& Hydraulic Evaluation Dear Alex, DeOtte, Inc. (DI) presents this Technical Memorandum on behalf of our client, Lambert Custom Homes in order to evaluate the impacts of residential improvements at 250 Lilac Lane in Southlake, Texas. The homeowner wishes to expand the existing peninsula in the pond area in order to build a pavilion. Hydrology The site is roughly 5 acres along Lilac Lane in Southlake, Texas. This study has evaluated the watershed through the site via Big Bear Creek Tributary BB-7, which passes through the western portion of the property. The watershed for a design point located at the downstream headwall of the culvert crossing at Lilac Lane is approximately 45 acres, and consists of 1 acre residential and commercial land uses. DI considers this watershed fully developed. Since the watershed is less than 200 acres, the Modified Rational method was used to determine the 100-year flow through the site. A relatively conservative runoff coefficient of 0.8 was selected to represent the watershed since it is comprised of large paved areas (parking lots). Time of Concentration calculations may be found on the attached Time of Concentration or Travel Time Worksheet. For this watershed, the Time of Concentration to the study point is approximately 22 minutes. Referring to the Integrated Storm Water Manual (NTCOG), the rainfall intensity was determined to be 6.74 inches per hour. Using a frequency factor of 1.25 for the 100-year design storm, the peak flow is 303 CFS. Since the watershed is fully developed, this flow will be used to represent existing and proposed conditions. Hydraulics A topographic survey of the site was completed by JPH Land Surveying, Inc. DI overlaid this survey onto topography provided through the Texas Natural Resource Information Service (TNRIS) and determined that TNRIS topography accurately represented natural ground. Alex Ayala, PE City of Southlake September 17, 2015 Page 2 DI selected 10 characteristic cross-sections of TNRIS topography through the site to evaluate water surface elevation in the 100-year storm event. These sections were imported into HEC-RAS (v4.1.0) as the existing ground geometry. The existing ground geometry and 100-year flow of 303 CFS in the Hydrology section of this memo constitutes the Current Conditions model. Through evaluation of the Current Conditions model, DI determined that improvements were necessary to prevent overflow onto neighboring properties. First, the developer will construct a built-up berm at the northwest portion of the existing pond. Next, the existing riprap weir at the pond outfall will be repaired to replace material lost to scour, and it will be fortified with more riprap to prevent future scour. Last, a bypass channel will be cut along the southeast face of the pond berm to allow any overflow to travel across the property to the culvert crossing at Lilac Ln. For the location of these improvements, see the attached Workmap. The proposed improvements amend the Current Conditions model geometry, resulting in the Post-Project Conditions model. The same 100-year flow of 303 CFS was used for this model. Results The resulting water surface elevations remain largely unaffected by the improvements on the project site with the exception of those cross sections representing the pond. The water surface drops from sections 600 through 871 in the Post-Project model. Channel velocities increases slightly at the face of the pond, but the reinforcement of the existing riprap at the pond outfall will prevent erosion. 100-YR WSE Channel Velocity Post- Post- Section Description Current Proj Delta Current Proj Delta 154 Natural Channel 634.05 634.05 _ 0.00 2.58 258 ` 0.00 201 Natural Channel 634.49 634.49 0.00 1.98 1.98 0.00 231 LAX culvert 261 Natural Channel 636.93 636.93 0.00 0.81 0.81 0.00 311 Natural Charnel 636.96 636.96 0.00 0.88 0.88 0.00 370 Natural Channel 637.00 637.00 0.00 1.29 1.29 0.00 446 Natural Channel 637.13 637.13 0.00 1.88 1.88 0.00 495 Natural Channel 637.38 637.38 0.00 2.48 2.48 0.00 600 Potxl Berm 642.73 642.29 -0.44 5.66 6.92 1.26 775 Pond Section 643.06 643.03 -0.03 0.73 0.74 0.01 871 Natural Channel 643.11 643.08 -0.03 0.67 0.68 0.01 PHONE(817)337-8899 420 JOHNSON ROAD,SUITE 303,KELLER,TEXAS 76248 FAX(817)337-5133 Alex Ayala,PE City of Southlake September 17, 2015 Page 3 Conclusion It is the opinion of DeOtte, Inc. that the placement of a pavilion within the existing pond area will not negatively affect the adjacent property owners provided the prescribed measures are properly implemented. The proposed improvements to the pond and drainage channels will allow storm flow to safely pass through the site without flooding or damaging any insurable structures. If you have any further questions, please feel free to contact me at(817) 337-8899. Sincerely, _ .. .. • ••• *• ••• t Rich DeOtte, PE, CFM RICHARD V. DefTTE President—DeOtte, Inc. ' 74232 TX Firm No. F-003116 "W• Attachments: A-Time of Concentration or Travel Time Worksheet B - Hydraulic Workmap C - HEC-RAS project file (CD) PHONE(817)337-8899 420 JOI INSON ROAD,SUITE 303,KELLER,TEXAS 76248 FAx(817)337-5133 Time of Concentration or Travel Time Worksheet ATTACHMENT A Project: Lilac Ln By: DAC Date: 8/17/2015 Location: South lake,TX Condition (Present/Proposed): Current Conditions SHEET FLOW(Applicable to T,only) SEGMENT ID A-1 1.Surface Description Developed 2. Manning's Roughness Coefficient 0.240 3. Flow Length, L(total L</=300ft)...(ft) 75 4.Two-yr 24 hr rainfall, P2...(in) 3.6 5. Land Slope, s...(ft/ft) 0.02 6.Tt=(.007*(nL)os)/(P2os*so.4)...(hr) 6.Tt=(.007*(nL)os)/(Pzos*so4)...(min) M�= SHALLOW CONCENTRATED FLOW SEGMENT ID A-1 7.Surface description (paved or unpaved) paved 8. Flow Length, L...(ft) 575 9. Watercourse slope,s...(ft/ft) 0.02 10.Average velocity,V...(ft/sec) 2.9 11.Tt= L/(3600*V)...(hr) 0.06 11.Tt= L/(3600*V)...(min) 3.30 CHANNEL FLOW SEGMENT ID A-1 12. Cross section flow area,a...(ft2) 13. Wetted perimeter, PW...(ft) 14. Hydraulic radius, r=a/PW...(ft) 15. Channel slope, s...(ft/ft) 0.013 16. Manning's Roughness Coefficient, n 17.V= 1/z 1.49 rz/3s ( )/n...(ft/sec) 4 18. Flow length, L...(ft) 1910 19.Tt= L/(3600*V)...(hr) 0.13 19.Tt= L/(3600*V)...(min) 7.96 Watershed Area (ac.) 45 20.Total Watershed or subareaTc or Tt...(hr) 0.37 20.Total Watershed or subareaTc or Tt...(min) 21.95 VICINITY MAP N.TS N J_�\ I �.ts`T} m�, as� \ VA '1 `/°, _.d / / // \ /. / ��. 6, - =64rc r: �T� .e=6rvr w / r/ „ s; \ 1 i \)IIII / 10 - _ _ ;. .�- ._ i'.. 4:z,,, 645v A r 3 z / "1/ III( . 1 i }, .. s?:-. w�aT ,{ , \ a 43 I `a�) J I l/ I ,= , ' ( '...' 1 berry terrace / / / 1.DD � d / p' -------- _i / i// /_ 1 i 11 I I / 's:" _ \ IY Z .) R ! �1 S Parkwo I / / �.i // / ;I \\ !1 \ \ \. N. ��y� 1 .'�l �\ - vire 5? ''. 1 d / - ..--- //_ I I r.1..-_`J-;.*!-_ `4`. -Jr - r� ,./';',.:-/77.70'\'0"/".,//..../4 \r. \ -\ moi/ l �...-1.4 / �\ GE_ ` :-'1 �a f y.�. = l I / i f ' e - --, -' - \ rte_ ( .....- wa aret.i __- ___ ` I L .: g '�i / I / / - �..�.f:+. ae..>•<r / \. -- /,/,',10//0,://0'0/0 / [ =-T- ..: / r_,_ ____.: U DRAINAGE AR64 s / r` / / 1 \ ( _____________1„_________.„--b I - / n//r rr ri/ / i \ -" / / � / _ - .°' /i / '. / / // / \I -- tp,, i/ .r/01//,/'///'1;/////''''''',/////1// °l1.rr�rri�/�// Or/4/'4/i//i/tri/r - ( ,..-1.' I� 5p- �- r r 45 AC \ B7wnW / --Y l r 4 r•y / r / - / S� I /;. . / /' i / r r�4ir rir rid rim/i/ri/Ii//i�/i /Gij/��/J�/ir ri _ i / I / I / /'- / ` 7 / / .(/ / / /_ BUILD-UP BERM_- I \ err//r/i r/i rri rI/////r///r//! //i//ir//I//j/r/r�//rr \ -• PROPOSED PAV ILLION 1 / / --- r 1 Y i / .... /i // / /-- TO PREVENT it rri rir ri/ria//iriri//��i r/rC�h rr = ri i G rr \ , / / rat--7._~�-`. 6 // / / / ,/ /� / OVERFLOW ONTO ) /r�//rJ/r/lI//Ir///�r r. /////F�/i/ �, /� -FF = 644.0' / ,/ \ \ ` �'Trai' / / ADJACENT PROPERTY \ / 2 / // _ -,/ / / / ------ / //i/ri rri/ri r�/r i/�//// / �\ �,�/ / / - - /\ / / \ 65 ` SITE / TOP OF BERM = 643.5' \_. (\ ri ri/i/i/i// /r ,o,/,),,, \ ) / / - / / / / // \ /1 / 3 :' ri / , / 653 / / � l/ / / 1 � r / II // // 1 I I_ � r�/�rii ri \\ 1 / / / / III// I /,. '"[�]/ // // // 11 ,l i/rir//rir//rr/ri/4/rirr =��FlL rr�_ rig/�//ir V���I�e,� i / // / A�� �''" :ti� - Presroaa/ / / / / l ' I, , //r/4//r///i/,.7 5,r/r/r rrr`7- '\ \ 4 rir/4 , 1 . / /' l II% ri/rr/rr/frr//// Air:' EA �\ /i/ / / omuNeEounomss/ / / / / / ._ cr / / / ri//ir///?/ri /- i \ r//i/ �/, } I / , 6 tnrwrm, �i bina / / / r // I ,'1',,,,,,,,,i�'Grb/i iriGriri/ri r4/iii rig r�i�r�rii�/ir 'rr/rfir!I \ '''`''T \ / / / ( / i.56' �a' /i / / 1 h v,9, r i 4ir¢i/.„ /,,,//rr/rrr/r//r,p/rr/rrr///,g, \ r e,,///i// 1 , \ 1 / / / l I // :.-. a� / / s \ / ,' / / r/r/rrGrr/�i / LEGEND ;o / //, / ms's I ,�rr4r/4/r4,,,,.,,,,,,,,,,,,/,.,%:."6/,/, r4i , -, r I / / /_ I1/ /,. NORMAL POOL 639 5,,,,,,,,/,',/' A / / ` I /i ri r/ri 7 ' I / ,/ /'' / y\ / / \ 1 \ ,�/rr ri/ri 100YR WSE 6423 rr rirr ',ELL;.1'�, -\ �\ 1 1 / rj I I EXISTING 100-YEAR FLOODPLAIN / ,o ( / / ) 1 I ,f. q\''�4r r/�,,,,,,,,,,,,,,,,,,,,,,,,/,,,,,,/ ,2,Or/r'''',///// r4/r�- ,, / .` + '\ \ I I I / Z� I / / L�'fit- POST-PROJECT 100-YEAR FLOODPLAIN I ( �y F •/-\• / rrf///r,, /i4/r0/4//rrr/ri/i//// i �` 1 I / 1 i / CROSS SECTION i / ( ti *`.,�. •,4r,,,rrrrrrr4'i4ri/rirri/4�/r,' / WEIR FL = 641 0 I �� ! _/l/ /. •tXl- 'oN s"t ,,, •'L''� r�/ir rirr,/i.ri rrir� A - \ I ' / l / / - 850 - MAJOR CONTOUR 1 /° \.. / I \ l g / - jC.. ( <� _-� .�\V \\ _ _ ��• '�I A {. / 1 -652 MINOR CONTOUR .l t 'k / `n 6q _ A r I 100-YEAR HYDRAULIC ANALYSIS - // REPAIR SCOUR AT -as'.A . ':. S \. '-2n: \ I I\., I I 6 I ':l r ' .,. �,- - / DOWNSTREAM END - k - O. - I \-.PROPOSED BYPASS = I�; K WSE (FT) CHANNEL VEL (FPS) � 7 / / - i ' OF RIPRAP WEIR + b _ / ' FL =639.72' _ \ 1� CHANNEL - I \ \ r Section Desai •\ / / Mq6 / \ 1 1 1 \ 9 \ 3.•�� \ L'" Pilon Current Post.05 Delta Existing Punt-Proj Delta -00 ,_- _ "y5 \ \ 154 Natural Channel 634.05 634.05 0.00 2.58 2.58 0.00 II //. /// '� v.1'm.aw Msg.w,.a//// h j/ - \I ,I I1. / \ I 1i_. 1 /+^�:�I l / \ \ \\ =.a, ma 201 Natural Channel 634.49 634.49 0.00 L98 1.98 0.00 / '''' ! / I �r l -af. 231. Ulacculvert ,_/ / � i I (I I �' l / T= �� - 261 Natural Channel 636.93 636.93 0.00 a81 0.81 0.00rwiii rw 1111 \ \6fj / # -.I / ._, 4. / \ -, \\ I, h __ ew 4iia\N - 311 Natural Channel 636.% 636.% Q00 0.88 0.88 0.00 t / " " - r I I ----'C\I ,I/ I I 1 - GONG/c7111 .GOAT I /'�1 \ ,'i' ' 370 Natural Channel 637.00 637.00 aao L29 L29 aao . ,I 1 / \ 'I - 1 I/ ` 1 \ -'� I I I -- ""'\'\ ;.. 446 Natural Channel 637.38 637.38 0.00 1.48 2.48 a00 v/i ` '� C' T' S \ ® 495 Natural Channel 637.38 637.38 0.00 2.48 2.48 0.00 I i �, - ' r J/ I':, r 1 . _. \ 600 Pond Bean 642J3 642.29 40.44 5.66 6.92 1.26 ' I _ / r*+-r- 1 1 'r 1 1 r �_ " 775 Pond Section 643.06 643.03 -0.08 0.73 0.74 0.01 I " , 871 Natural Channel 643.11 643.08 -0.03 0.67 D.� 0.01 ;\\ i IM 3+7070 • _ I ='! 11�I \ SECTION A-A / f:- I E t.,: .,: A 1 � 1 N 1 \ I N.T.S. / / / A V I A /I 6S 100-YR d=1.29' g1 2.0 I / 1 �1�_n 15' I\J \ \- \ \ I ..a� a, '--a_ mom.. _../ -I / / L' 0.3 6 rRB�. \ 21 Il p / / / 3+'11.00 y 4 -Z j \ , ( `5 1 \ / .....,.,r..,�..n.,v=r. rl 9° % 4Q'FBI,73T 4 t G\\- ----+- / s =3.0% 1 i(o \; .�.. } \. \ 41° \ 5 \ \ rR GI Id" C b=21' .- /� T_y,l ( 1 l 1, 1 I \\ V A / \\ \) 1\ / n=0.04 / I- / I '.I \ .: \ ``� \/J =220 CFS \ /. \,,^l 1 /l ' I} t' I !� \ \� 1 �� t E '11 tY' y - Ann=32.1 SF / 2+61.00 _ __-__ I / '� N Vlao= 6 FPS HEC-RAS) .t // I law \ x \ ( i L r._ _ ', _ }- - O,m = 1926 CFS I V1 I. - -- --- ® fie+ l\ •\_ / - r --- / Lilac Lane ! _ _-�.. / !. N __ E,�c" I �a -- \ _ -- i .e.FrG t �_.�.ratex - - ---- .----------- _ ) I a.+ 1F<, .Y4✓, I r �_ '33- _-____ __ \ \ / La:f _-- N' 'I __/ - \ 1.n.>t.t1 - r: 11J A'lX/Y prA.e JoritY��1HF- ' RICHARD V. OeDTTE \_\� `/`y/\ �\// aalra►i.su. 11 I /` / /' rinrl� - / f : I‘-'1_1---.44':% �� r/�/ �� // uw Taa.ar l \ li-1 // / /~ - --- c'rtd ) 1/ �i . 1,..., 742320- , 1_,,,3 II i l ;, 1 /_. R -1 - �= _ °f�oi "a �l� ATTACHMENT B -�d ! I 250 LILAC LANE ( / � �_ � I ®® ��, g -1 ; ( I- 'v -v - 0 20 40 80 HYDRAULIC WORKMAP ,,t triage r 1 \ \ \..., \ • :. 1O V 1.�"rOr7 _ - b� .rt\itili'1 4 l.tII F ( I \1 1 , I �a.;- i C SOUTHLAKE, TEXAS ( IN ■DEO'1'1'r;, INC. .� '""° " Arrtr;16791 Fn an-l»-sill nv,re an 3)1-N99 I ].NCH = 40 )''1' CIVIL ENGINEERING I011t RLGLSI osors s Nouns ma WWWDLOrILCOM 1 ati BY: SCALE: !RA I /,23' 14'1118 1517015 04CE I LNC 1 OF 1 MARY LOUISE GARCIA .••••"�. COUNTY CLERK i 100 West Weatherford Fort Worth, TX 76196-0401 ...". PHONE (817) 884-1195 BLAKE ERICKSON WILLIAMS CITY SOUTHLAKE TX 1400 MAIN STREET 320 SOUTHLAKE, TX 76092 Submitter: BLAKE ERICKSON WILLIAMS DO NOT DESTROY WARNING - THIS IS PART OF THE OFFICIAL RECORD. Filed For Registration: 1/8/2016 12:53 PM Instrument#: D216004250 E 14 PGS $64.00 By: `{— D216004250 ANY PROVISION WHICH RESTRICTS THE SALE, RENTAL OR USE OF THE DESCRIBED REAL PROPERTY BECAUSE OF COLOR OR RACE IS INVALID AND UNENFORCEABLE UNDER FEDERAL LAW.