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HomeMy WebLinkAboutContract 60638Date Received: 12/22/2023 Permit No.: SWFMA-23-0085 Time Received: 1:26 p.m. City Secretary No.: 60638 STORMWATER FACILITY MAINTENANCE AGREEMENT THIS AGREEMENT, made and entered into this 22"d day of December 2023 , by and between Ware Vista Southgate #1, L.P., a Texas limited partnership, hereinafter referred to as "Landowner", and the City of Fort Worth, hereinafter referred to as "City". WITNESSETH WHEREAS, the Landowner is the owner of certain real property described as a tract of land situated in the situated in the L.J. Martin Survey, Abstract No. 1017, Tarrant County, Texas according to the deeds recorded in Document No. D219056427, and Document No. D219239249, Deed Records, Tarrant County, Texas, hereinafter called the "Property". WHEREAS, the Landowner is proceeding to build on and develop the Property according to the Site Plan/Subdivision Plan known as Southgate Marketolace Lots 10-13 Private Underground Detention, hereinafter called the "Plan", which is expressly made a part hereof, as approved or to be approved by the City and the Landowner provides for management of storm water within the confines of the Property; and; WHEREAS, the City and the Landowner, and their successors and assigns, agree that the health, safety and welfare of the residents of the City of Fort Worth, Texas require that on -site Stormwater Management Facilities be constructed and maintained on a portion of the Property; and WHEREAS, the City requires that on -site Stormwater Management Facilities ("Facility") as shown on the Plan be constructed and adequately maintained by the OFFICIAL RECORD STORMWATER FACILITY MAINTENANCE AGREEMENT CITY SECRETARY Rev. 03/01/2022 BN FT. WORTH, TX Landowner, its successors and assigns, the location and dimensions of which is shown and more particularly described by metes and bounds in the attached Exhibit "A" ("Facility Property"); and NOW, THEREFORE, in consideration of the foregoing premises, the mutual covenants contained herein, and the following terms and conditions, the parties hereto agree as follows: 1. The Landowner, its successors and assigns, shall adequately construct and maintain the on -site Stormwater Management Facility ("Facility") at no expense to the City of Fort Worth in accordance with the design specifications for the Facility, attached as Exhibit `B", and the current standards then in force and effect in the City of Fort Worth and with the Operations and Maintenance Plan attached to this Agreement as Exhibit "C". The Stormwater Facility includes all pipes, channels or other conveyances built to convey Stormwater to the facility, as well as all structures, improvements, and vegetation provided to control the quantity and quality of the Stormwater. Adequate maintenance is herein defined as good working condition so that these facilities are performing their design functions. The Stormwater Structural Control Maintenance Checklists, attached to this Agreement as Exhibit "D", are to be used to establish what good working condition is acceptable to the City. 2. The Landowner, its successors and assigns, shall inspect the Facility and submit an inspection report to the City annually. The purpose of the inspection is to assure safe and proper functioning of the Facility. The inspection shall cover the entire Facility, berms, outlet structure, pond areas, access roads, etc. Components of the Facility, which need maintenance or replacement to perform their design function, shall be noted in the inspection report along with the corrective actions to be taken. 3. The Landowner, its successors and assigns, hereby grant permission to the City, its authorized agents and employees, to enter upon the Property and to inspect the Facility Property whenever the City deems necessary. The purpose STORMWATER FACILITY MAINTENANCE AGREEMENT 2 Rev. 03/01/2022 BN of inspection is to follow-up on reported deficiencies and/or to respond to citizen complaints. The City shall provide the Landowner, its successors and assigns, copies of the inspection findings and a directive to commence with the repairs if necessary. 4. In the event the Landowner, its successors and assigns, fails to maintain the Facility in good working condition as specified herein, the City, its authorized agents and employees, may enter upon the Facility Property and take whatever steps necessary to correct deficiencies identified in the inspection report and to charge the costs of such repairs to the Landowner, its successors and assigns. It is expressly understood and agreed that the City is under no obligation to routinely maintain or repair said Facility, and in no event shall this Agreement be construed to impose any such obligation on the City, such obligation is Landowner's. 5. The Landowner, its successors and assigns, will perform the work necessary to keep the Facility in good working order as appropriate. In the event the City pursuant to this Agreement, performs work of any nature, or expends any funds in performance of said work for labor, use of equipment, supplies, materials, and the like, the Landowner, its successors and assigns, shall reimburse the City upon demand, within thirty (30) days of receipt thereof for all actual costs incurred by the City hereunder. In the event that Landowner or its successors or assigns fail to pay the City for the costs incurred under this section, the City shall impress a lien for the costs of such work upon other lots owned by the Landowner. Such lien shall be perfected by filing in the office of the County Clerk of Tarrant County, Texas an affidavit identifying the property to be charged with such lien, stating the amount thereof, and making reference to this Agreement. 6. This Agreement imposes no liability of any kind whatsoever on the City. THE LANDOWNER AGREES TO HOLD THE CITY HARMLESS FROM ANY LIABILITY IN THE EVENT THE FACILITY FAILS TO OPERATE PROPERLY. LANDOWNER COVENANT AND AGREE AND DOES HEREBY INDEMNIFY, HOLD HARMLESS AND DEFEND STORMWATER FACILITY MAINTENANCE AGREEMENT 3 Rev. 03/01/2022 BN THE CITY OF FORT WORTH, ITS AGENTS, SERVANTS AND EMPLOYEES FROM AND AGAINST ALL COSTS, EXPENSES, LOSSES, DAMAGES, CLAIMS OR CAUSES OF ACTION WHATSOEVER ARISING, OR WHICH MIGHT ARISE, FROM THE FAILURE OF LANDOWNER OR ANY FUTURE OWNERS OF THE ABOVE FACILITY PROPERTY TO MAINTAIN THE FACILITY, INCLUDING, BUT NOT LIMITED TO THE BED AND BANKS OF THE DETENTION POND; ANY DAMAGES CAUSED TO PERSON OR PROPERTY DUE TO (1) FLOODING OF THE POND AND ITS BANKS, (2) SLOPE FAILURE OF THE BANKS OF THE POND, OR (3) FAILURE OF THE POND OR ITS BANKS TO OPERATE IN A MANNER CONSISTENT WITH CITY OF FORT WORTH CRITERIA TO PERFORM ANY OTHER DUTIES OR OBLIGATIONS HEREUNDER. 7. Landowner covenants and agrees that no habitable building shall be erected within the boundaries of the Property in which the Facility is located as outlined on Exhibit "A" but this paragraph shall not preclude construction of other improvements within the boundaries of the Property in which the Facility is located, which do not impede drainage. Landowner covenants and agrees that no habitable building shall be erected on the above property abutting such boundaries of the Property in which is Facility is located, which shall have a finished floor at an elevation less than two feet above the maximum depth of water in the detention pond which would occur during a 100-year frequency ft 0 1�1 8. This Agreement shall be recorded among the land records of Tarrant County, Texas, shall constitute a covenant running with the land, and shall be binding on the Landowner, its administrators, executors, assigns, heirs and any other successors in interests, including any property owner's association. STORMWATER FACILITY MAINTENANCE AGREEMENT 4 Rev. 03/01/2022 BN Executed this 22nd day of December CITY OF FORT WORTH bAow, gu.-j;lio ff Dana Burghdoff(Dec 1, 202311 :14 CST) Dana Burghdoff Assistant City Manager City of Port Worth Date: Dec 21, 2023 Approved as to Form and Legality: Thomas Royce Hansen, Assistant City Attorney II City Attorney's Office 2023 LANDOWNER Ware Vista Southgate 41, L.P., a Texas limited partnership By: VPC GP, Inc., a s corporation Its: General Pa r By: Colto right Its: Vice President and Secretary Date: 101-)9-013 Contract Compliance Manager: Date: Dec 21, 2023 By signing, I acknowledge that I am the person responsible for the monitoring and administration of this contract, including • ATTEST• cnyn p; !��R°°4& ensuring all performance and reporting requirements. a°°°° Xas44p Dnoile 1*4G s oil behaW aF Dwayne Ho rs on behalf of: (Dec 21, 2023 13:45 CST) Jannette S. Goodall Rebecca Owen City Secretary Planning Manager Date: Dec 22, 2023 Date: Dec 21, 2023 OFFICIAL RECORD CITY SECRETARY FT. WORTH, TX STORMWATER FACILITY MAINTENANCE AGREEMENT FJ Rev. 03/01/2022 BN STATE OF TEXAS § COUNTY OF TARRANT § This instrument was acknowledged before me on December 21st, 2023 by Dana Burghdoff, Assistant City Manager of the City of Fort Worth, on behalf of the City of Fort Worth. o�PRYPoa� BROOKE BONNELL 2 Notary Public + * STATE OF TEXAS Nq GV P Notary I.D. 134009525 'FoF MY Comm. Exp. Oct. 11, 2026 LANDOWNER STATE OF i Exp5 COUNTY OF ) AR QA/T Digitally signed by Brooke Brooke BonnelI Bonnell Date:2023.12.21 08:30:01-06'00' Notary Public, State of Texas 0 BEFORE ME, the undersigned authority, a Notary /►Public inand for the State of I e.Xa3 ; on this day personally appeared C I�0 h Qrll��� (name), Vice- Pres do f- (title), known to me to be the person whose name is subscribed to the foregoing instrument, and acknowledged to me that he/she executed the same for the purposes and consideration therein expressed as the u�.o rrs�d �6���I,c.p act and deed of e *o v or In.,a� (en 1ty), a _ --I exas ores ," (entity type) and in the capacity therein stated. I GIVENUNDER MY HAND AND SEAL OF OFFICE this / day of'N- , 2pU8Y PUgGc RAEAN MURRAY / NOTARY PUBLIC Notary Public, S to of * STATE OF TEXAS MY COMM. EXP.11/29/25 NOTARY ID 13345BRO-4 STORMWATER FACILITY MAINTENANCE AGREEMENT 6 Rev. 03/0112022 BN EXHIBIT "A" INSERT LEGAL DESCRIPTION STORMWATER FACILITY MAINTENANCE AGREEMENT Rev. 03101I2022 BN EXHIBIT A GRAPHIC SCALE 1 0�30 (INS) 1 Inch = 30 IL — — — [�1 3 / fl D POC pw 3L1 5.74' �i''( �� 584'30'0TE 159 65' !� POB•OO- 98.76' �J O� I N8B'02'09'E ? / // / �.✓ . O �! � SBB'02'09'W 208.03' �o h rr ti' �.l LINE TABLE " J LINE BEARING LENGTH L7 58430'07*E 25,15' L2 S00'47'31'E 31.02' L3 S00'05'35E 25.21' L4 S5974'20'W 24.20' /1 / I LS N39'47'43'W 26.81' L6 N5914'20'E 38.56' a / I L7 N88'02'09'E 8.06' L8 N00'4737'W 34.29' pry .osit y LOT 10, BLOCK 9 \ LOT 11, BLOCK I \ on"7HOlayrg rmilau w7rad\leQCI� ���yy+�I e�rrnn INST. NO. D221377983 3° iAa MB Jam. P.R.T.C.T, SMFIAA BOUNDARY `0 F tL — — — — EX. EASEMENT UNE .: N --- EX. LOT LINE !g,, SWFMA AREA µ INST. NO.= INSTRUMENT NUMBER \ N P.R.T.C.T.= PLAT RECORDS, TARRANT COUNTY, TEXAS o \ POC = POINT OF COMMENCING i POE POINT POINT OF BEGINNING \ tl 3 an ar TM C 0 N S U L T I N C 505 Pecan Street, Suite 201, Fort Worth, TX 76102 p h: 817.865.5344 ma nh ar d. c o m MO Civil Engineers I Surveyors I Water Resource Engineers I Water 8 Waste Water Engineers Construction Managers ' Environmental Scientists I Landscape Architects , Planners N Texas Board of Professional Engineers 8 Land Surveyors Reg. No. F-10194754 (Surv), F-21732 (Eng) STORMWATER FACILITIES MAINTENANCE AGREEMENT LOTS 10-13, BLOCK 1, SOUTHGATE MARKETPLACE CITY OF FORT WORTH, TARRANT COUNTY, TEXAS PROD. MGR.: J-D SHEET DRAWN BY: MGL OF A DATE: 11/01/ 3 3 SCALE: 1'-30' 611.023006 02023 MANHARD CONSULTING, ALL RIGHTS RESERVED EXHIBIT A GRAPHIC SCALE TaD is IN FEET I inch 30 fL DO I E. RENDON CROWLEY ROAD (F.M. 1187) to 98.76' S84W'38"E Sao35W�H 4V N88'02'09"E 180.18' x J, o .0 S8235 0 o s—aB02 09 W 208 03 to o N o LOT 13, 0 J BLOCK I w pq 0 0 LOT 12, BLOCK I so 1, P 14 °2 j P w 11 z F, IMEND OF Y PROP. DRAINAGE EASEMENT LINE EX. EASEMENT LINE o EX LOT LINE PROP. 8.5- DRAINAGE EASEMENT JEREM J D) EX 15' DRAINAGE EASEMENT > 5696 d. INST. NO.- INSTRUMENT NUMBER o P.R.T.C.T. = PLAT RECORDS, TARRANT COUNTY, TEXAS ' S ' S POO - POINT OF COMMENCING S U R4 <' POB - POINT OF BEGINNING STORMWATER FACILITIES MAINTENANCE AGREEMENT E -13, BLOCK 1, SOUTHGATE MARKETPLACE o z a nhard I LOTS 10CITY OF FORT WORTH, TARRANT COUNTY, TEXAS PRoj. AMR, JILD SHEET H, S U DRAWN BY. MGL 505 Pecan Street, Suite 201, Fort Worth, TX 76102 p h: 817. a 65.5344 manharc ":r' 111/01/23 OF n Civil Engineers I Surveyor, I WtorR Resource I Water & West, Water Engineers 2 3 Construction Managers I Environmental lists I Landscape Architects I Planner, DATE: hl Texas Board of Professional Engineers & Land Surveyor, Reg. No. F-10194754 (Surv), F-21732 (Eng) SCALE: 611.023006 Jill C)2023 MANHARD CONSULTING, ALL RIGHTS RESERVED EXHIBIT A LEGAL DESCRIPTION BEING A 0.260 ACRE TRACT OF LAND SITUATED IN THE L.J. MARTIN SURVEY, ABSTRACT NO. 1017, CITY OF FORT WORTH, TARRANT COUNTY, TEXAS, BEING A PORTION OF LOTS 10, 11, 12, AND 13, BLOCK 1, SOUTHGATE MARKETPLACE, AN ADDITION TO THE CITY OF FORT WORTH, ACCORDING TO THE PLAT THEREOF RECORDED IN INSTRUMENT NO. D221377983, PLAT RECORDS, TARRANT COUNTY, TEXAS, AND BEING MORE PARTICULARLY DESCRIBED BY METES AND BOUNDS AS FOLLOWS: COMMENCING FROM THE NORTHERNMOST CORNER OF SAID LOT 11, THE SAME BEING IN THE SOUTH RIGHT—OF—WAY LINE OF F.M. HIGHWAY NO. 1187, A VARIABLE WIDTH RIGHT—OF—WAY; THENCE SOUTH 84 DEGREES 30 MINUTES 07 SECONDS EAST, ALONG THE NORTH LINE OF SAID LOT 11 AND BEING COMMON WITH SAID SOUTH RIGHT—OF—WAY LINE, 35.74 FEET, TO THE POINT OF BEGINNING; THENCE SOUTH 84 DEGREES 30 MINUTES 07 SECONDS EAST, CONTINUING ALONG SAID COMMON LINE, 25.15 FEET; THENCE DEPARTING SAID COMMON LINE AND CONTINUING OVER AND ACROSS SAID LOTS 10, 11, 12, AND 13, THE FOLLOWING CALLS; SOUTH 00 DEGREES 47 MINUTES 31 SECONDS EAST, 31.02 FEET; NORTH 88 DEGREES 02 MINUTES 09 SECONDS EAST, 180.18 FEET; NORTH 82 DEGREES 35 MINUTES 00 SECONDS EAST, 47.32 FEET; SOUTH 00 DEGREES 05 MIN'UTES 35 SECONDS EAST, 25.21 FEET; SOUTH 82 DEGREES 35 MINUTES 00 SECONDS WEST, 45.30 FEET; SOUTH 88 DEGREES 02 MINUTES 09 SECONDS WEST, 208.03 FEET; SOUTH 59 DEGREES 14 MINUTES 20 SECONDS WEST, 24.20 FEET; SOUTH 23 DEGREES 59 MINUTES 36 SECONDS WEST, 55.77 FEET; SOUTH 29 DEGREES 03 MINUTES 42 SECONDS WEST, 77.57 FEET; NORTH 39 DEGREES 47 MINUTES 43 SECONDS WEST, 26.81 FEET; NORTH 29 DEGREES 03 MINUTES 42 SECONDS EAST, 66.79 FEET; NORTH 23 DEGREES 59 MINUTES 36 SECONDS EAST, 62.60 FEET; NORTH 59 DEGREES 14 MINUTES 20 SECONDS EAST, 38.56 FEET; NORTH 88 DEGREES 02 MINUTES 09 SECONDS EAST, 8.06 FEET; NORTH 00 DEGREES 47 MINUTES 37 SECONDS WEST, 34.29 FEET, TO THE POINT OF BEGINNING, AND CONTAINING 11,309 SQUARE FEET OR 0.260 ACRES OF LAND, MORE OR LESS. �j E an ar TM 0 Z 0 i 3 ____C0NSIULT1 505 Pecan Street, Su 201, Fart Worth, T% 76102 ph:817.865.5344 manhard.com n Civll Engineers Su ry eygrs I Water Resource Engineers I Water & Waste Water Engineers Construction Managers I Enviran m ental Scientists Landscape Architects I Planners N Texas Board of Professional Engineers 8 Land Surveyors Reg. No. F-10194754 (Sury 1, F-21732 (Enc' I 11 02023 MANHARD CONSULTING, ALL RIGHTS RESERVED OF T P �GISTe .e p' q?. e" o� tia •...�:ssy STORMWATER FACILITIES MAINTENANCE AGREEMENT LOTS 10-13, BLOCK 1, SOUTHGATE MARKETPLACE CITY OF FORT WORTH, TARRANT COUNTY, TEXAS PROJ. Mon.: d0 SHEET DRAWII BY: MGL OF DATE: 11 /01 /2.3 V-30 611.023006 11 IJ 11 1 EXHIBIT "B" DESIGN PLAN AND SPECIFICATIONS STORMWATER FACILITY MAINTENANCE AGREEMENT Rev. 03/01/2022 BN EXHIBIT B + I rr►r'►M�I r ♦ ow� - +♦ - 1 µ kio , r 1. �,�, ♦ ♦ ♦ f so Nojj// ♦ �SuIQ`j r , r - lwft co Pis 41 41 00 Olt iy p¢ ► I.. Dm-o'-, 0cN31113 �iwrrrrr^Mrrrrr,r air^rrrrrrrrr rr err^aye. i, d _ ` I t �Ps ,- ,c U z o _ N gs 4 SOUTHGATE MARKETPLACE LOTS 10-13 pp Z Rlyl{T VM�7 A f���ND AV ar j IT Aanh CITY OF FORT WORTH, TARRANT COUNTY, TEXAS � c 0 " S U L T I !! C j n.i 1 EXHIBIT 8 • EXISTING DRAINAGE AREA MAP ..."�wr•.+i ,.+.+-. x ..,. at' a -i I_; L�r..e.itsv Y..yw Nr►/� t�i.M,,s...iaaep.af 4.41n111,6 14 &nFIV AdA1)zs A*.-el97B2 &O 7 jo a e 9rnn l'�aa' A-13 1.D7 AC. �a zn ff i NOTE4 1. DRAINAGE FOR THIS DEVELOPMENT HAS BEEN DESIGNED SUCH THAT THERE WILL BE NO ADVERSE IMPACTS ON THE CAPACITY. FUNCTION OR INTEGRITY OF TEXAS DEPARTMENT OF TRANSPORTATION RIGHT OF WAY DRAINAGE FACILITIES. 2. THE UNDERGROUND STORAGE SYSTEM AND OUTLET CONTROL SHOWN ARE PROPOSED AND IDENTIFY EXISTING PRIVATE DRAINAGE EASEMENT FP-21-101. LOTS 10-13 MUST HAVE ACCESS TO DRAIN STORMWATER INTO DETENTION SYSTEM. 3. EXISTING DRAINAGE AREA'Y' IS DIVIDED INTO PROPOSED DRAINAGE AREAS 1 & 2. 4. REFERENCE PREVIOUS DRAINAGE STUDY FOR INFORMATION REGARDING DRAINAGE AREAS NOT RELEVANT TO OUR SITE S. PROPOSED CONDITIONS CONFORM TO PREVIOUSLY APPROVED DRAINAGE STUDY (OS-21-0039). SEE 9dFFT C42—C4.1 FOR n;jAiNAGF AREA CALCULATION TABLES A FI OWMASTFR SWp F CAPACITY CALCULATIONS n / 'n� � DRAINAGE ARFA 2A xea (al R:u9mas30a, 6' k a.CDS Cn4nmN5Ropt a0:7 � INR aleaaao.ri' 72d^a _-x. mvaunp"Zt. rls 11-lm.a-n DMA 64cnsrya .._.. ds' LEGEND ---------- aim- �YYN r ������ ovnrae ales[ DAx.>ot %]IX ' ArA `� nw name e yy "zgdpp Lu .:i '3 -0+50 0+00 1+00 1+50 730 730 .......... ............... ..... _...... .......... _i..._... �._....__.__. --i_ — DA 2A 725 725 H: 1" = 40' ......................... t......._..._...._...... .._.... .. _ .......... .... __....... _....... ........... _.................. ..........---- i--- ................ V. 1' = 4' ...................... _... ................. ........T ................. 720+50 0+00 1+00 1+500 FI QWMASTER SWA E DRAINAGE RSufnmYta Caal9bMY CAPACITY AREA 2C a.005 CALCULATIONS I... OhamN5la»: 40.dG . em ^.In fw.votm 5 _• LK!4d<9eyv a60 .. _ r1V P9m'S4-v— 19M -AV tA�.'Af WIa:A' -165a DLuh"y U, ...,_..._......., T,0+50 0+00 1+00 s 730 725 720+50 0+00 730 DA 2C H: 1" - 40' V: 1" = 4' 725 1+0c h Z a oO N Z w O H Z a W O c.A w U ❑ z Z a� s 53 Q Q O W M F W 6 W ¢ a W Z 3 a Q LU ¢ m r LLO m S Oa ZE w m ttnazo� f .. niaan® aHl2T e i 2of12 111 W X W EIILSTtXG OgAXikGECOX0mt7Ks EXISTING AREA ADJUSTED ONG TTCH ALLOWBLE n M »nw„ O w •n'4 R OFFArOR u,rt P`n r. r r ,. o nJ DETENTION VOLUME SIZING DETENTION VOLUME REQUIRED FOR PROPOSED DRAINAGE AREA 2 l.If1G0 Oi( 1 Etirting Runoff CxffldeM 0.3 Proposed Runoff Coefficient -Q Acres Area 3! Acres Tore of Concetra:ien 24:Y5'- w ,min. ... Tinneof Concetration 1D Min. w ra xk1 lYear Runoff { 72v 'CFS 3Year Runoff Y_ CFS SYear Runoff 143 SUS 5Year Runoff Y M ICFs li1JC 6q Y , l,Y tYl ., xf0(.H �+n.-*s FA'u3p?R4. EID Year Runoff -,.L 100 Year Runoff%kG ICFS a, ,n ,# rc ,,. ..x .,,. .n �., ,n .,...,n,„.,..._.„ww.•a,a:a .._..,CFS AL-OWABLE DISCHARGE FROM CtA D r= - l.A"n. iCFS Table s.15: Yr Return Pw10d`e �'J,3217, b=43:E53, d' 8 PROPOSED OETENTON SYSTEM ,= L91 '+.CFS IForl Tarrant Coo-tq For 5 Yr Return Peiod e-J.3147, b*71.354, d--12 rAm _ PR47POSG0 DRAINAt3ECOlAmONS I - D,•uu,n- 3.iS CF5 Rainfall Data For100Yr Retum Period: a-07798, b-11112.17a. d--114 y M' c T- 1 at r 'n Y �M I 7n 1 T ........ kli4 n. IYr Return Penod:a=95:37, b=13A3 e 1 i I µ « - w """"°'�` avA T� 7L fs MIn IFCf Tabie 1::R Fors YrRPIum Pen lNi:.a+Y17Dd1, b =19.A4 I of +.� iY r,,,• A nN W ........_...... r Rarnfall Factors x. .e... •,:n� r' Tmo= ct,, t Nfin. Forito Vr Retum Period:a=37ZW, b-24,&9 1LY Y. t1 Rn R1e N o 1 4 M ,i A � i t M A9 @Y 1 fAa f4 het1T� AAA 46N+k�0 - --". ro • • •i, w e,w� Pam• In. Pym.1wl i.i3' in. Ps= Tat In. P>ms- - iu ) 1, Yn w-w......�n• ur» -. P.= A.S° in. PLeoLarTL..........,...._, Y in. oM e) u n a X°I I,i Yie aa ]n l•u. ca ,u manes kw,nmarxi,+ dN xS nitwxNnA hxY,d'jY.,llFlnLrrrtp-+.¢!Ua "wx - tn ,A e + a Yl. r. o YA ,rJl ,,,nx Wic Res mf >mrmllJwW uniarpmn wA n�+ cn„xrpAv aw u.+,w, r 'nm.. VPwxnk.ns= ltaE5.3a Cu.FI V - 3,'153D3$y Cu.Ft I e e rtw I xx b xr . A Yes sw u.. • a.r _ •vise - es aw.,..w I Vr„v„#„,ry= •E,"„&3,75 Cu.FI __. _ V m� 73A.31. Cu.ft M1. •. r sNw �,na c. ursx,x,yLw=_yC..`.R Cu-F1 (YM.aao=� A3LSS.li.,. Cu.Ft TOTAL REQUIRED DETENTION FOR PROPDSED AREA 2 UNDERGROUND DETENTION PROVIDES 44.173 F0 OF STORAGE (SEE SHEET 10 - CONTECH DETAILS) x,.n.»r k ..,K �121n_ - � r•_IR-P4 I Sq M�N�Mrnoe �R t# nr3y+, r Rwe�sc� swnLL TA.u:M1xg .: .C9 a.r � sa avr1 c��r Zone of Influence B Pre Vs. Post -Developed Flow Summary Total Pre -Developed Flow to ZOI B Post -Developed Flow Bypassing Proposed Detention Total Bypass Flow Total Allowable Flow to ZOI B (Pre -Developed Flow - Bypass Flow) Proposed Release Rate from Area 2 Detention Total Post -Developed Flow to ZOI B B-1 0.17 I +DB-1 1.12 I :08-2 8.54 B-2.A 0.47 B-2.B 2.09 12.38 CFS 3.54 CFS [ &SL441 15.79 CFS POST -DEVELOPED FLOW MATCHES EXISTING FLOW AT ZONE OF INFLUENCE B (SEE EXISTING DRAINAGE AREA TABLE ON LEFT) NP, lvaarza•� V r � 7 s n C a 3oi12 m m X W I- PRMF N NYDlUVLIC CALCVLAl" ACLE--.. - - - --. I M1naCaoez�a. 1� c .AxO`A9a6AteWMA6 B " I q 1++9.: MwwN Fv aMMwl N I IM HA1r ire I'«e+F Reef A p�p�. i 9,w M IrY OUsuVI Y.'p l,Rlof Y�^ARQ VYL26 H IWY19:iRi 1 py q -CCr. .xT. . «N: r+�^-d�. ... ..: .... ..x ..r ,u „»4•, �R ...—r::,.,.sr•-1--csr--•:N-F-r;�T;T�;._.�, • s .W�-r- r A'ROVOSED 6-YEAR SIDRA DRAIN HYORAOLC CALCOUT,OR TA ' I D+ro+ .W...eA ..A A... �..�AI ..«wr a.:w I sAu HN..I iW. eN. � " IiA us oDa"An r.yc a.n v+mm nla H IA7, nc :A ax r .x m euiY. I coamBAw I v. , y�W H•• .0 a.A ' -... « p«aaVr I �. WSED 100�YEAq 97�ORM ONMIN xTORAULIG CALWLAtpNiABLE 1 •.,. UP ORYCU!Sw ,w6 .•.••... - yHa-. .iw..- �....... --. I /� I J U..Y"' I1�V AN. a,WAn��A � 's.a f Mal I"�"lD�i i Aw.a I N/+. Vy« 9h � " G" ' DT II WS 04^i-Nj 1, IYlmIDI '}tG YY310� H IKif„D.1D w , :q• rtby � q tt4V I OMW.NDa G B VZ -;rA «a#off C"n 3 �00 $ /- h58E T 00 w � �z L 0 W z U W ❑ U U gmz Z a Z ao Z.o o w2 _ Y C7 = z 6w a o a?Lli 3 a f > o m Oa In N X ID i \ aaA.Aa°xQ ¢ „nDrzan �1 4 .. Q .~.« nisnma R y sxl!n It: a 40f12 .g TOTAL UO DETENTION V^LUME CALCULATM;S LLN�TM LIF lL6a IYM1[I[tKgm',VRL VWVm[ACCIM. VOL EOYOG�OaVpi TMIrIf[ftl r �"IV PR ! R! m m syz� t rrtm � b aS2m Lfla k.� "� tnVia W; oA NP! .� aw^ t'tti )t!m STi9 S'12M Y1e w ^tlP: L i•I" a.�s ) �*t tta" ql. ym. rho I— W41 6 TOTAL ATI W CALCULATIONS OUTL UO DETE NTION FLOW m. i " �aR L ;zn "! Z iIG OLTE9ilON FOND SUMMARY nix [G fF +a aro a�`pJ€ I��I �NIiH. .Hf �.ul[ tgLL ^IM •R` E> ua aW �} e3 S>< m ;tP Waal ti LW lu ^R E,R n I +w i- -tf Y EIE n•Y.'! LEI! m VT Out •R s.f d ".W oW _le. R a.R ysf.3 c lit Z c- € SEE SHEET 10 — CONTECH DETAILS3$3j FOR OUTFALL STRUCTURE DETAILS �3�sI WEIR LENGTH 0.5' MIT FT STRIICT(IRF 01M FT FI OW CHAEM 4 a tm — am — u Lm lm am am ipm tum trm nm tam iam mm Wm Lam nm Esa[ um am nm aam aao a (cm) Q 7 z Z X O 00 r � �Z W O F— � W ❑ LLLI O] U J Z Q LL a. DO x P w2 - o 2 ¢ = o Q w ¢ P 20 O w aw 3 ° O F o ao Oa x U) U W 2 t ¢ nacrzc� P... ti�sLL— R SHEET e a 5of12 a '43&k, LOT Is ROCK 1 FP4 = 740 735 730 r-ao' 725 �Q y I 720 �.1 O1 715 710 +IS \� 11 700+50 0+00 1A* i /IFI1 i f 740 .J t 735 _.�. ; m 73 ... 11 t r ... 725:.. •f 1 w'I i • t •'; I l I 720 .................__smi� i \ i I 9 �I i 5 _ 71 ---.._........... Ar • , `'. ' 8 1i : 'i I'• 1 : I i i 705 ._.__......... .. i ­­ 700 _1 +00 ! � ,•1 1' 1 �l 1 '� I 1+00 2+00 3+00 LINE "A —A" H: 1" = 20' V. 1" 2' 0+00 1+00 2+00 LINE "B—B" H: 1" = 20' V-. 1" = 2' 740 735 730 725 720 715 710 4+00 4+5005 �r1-yy'yy9�' �_, i li oft:wW n E�� 740 LEGF O r a a .- 735 _ i wmm�.:na m.wm G Q ik11 2 � r a ..... 7a,7» O w 730 - w O O� Z z a ... NOTES: O a� — 725 1. DRAINAGE FOR THIS DEVELOPMENT HAS BEEN r Q w DESIGNED SUCH THAT THERE NULL BE NO ADVERSE IMPACTS ON THE CAPACITY, Y L7 r R - - FUNCTION OR INTEGRITY OF TEXAS Q Q H DEPARTMENT OF TRANSPORTATION RIGHT OF Q U, ¢O ..... WAY DRAINAGE FACUTIES. 2 ❑ G 720 2. THE UNDERGROUND STORAGE SYSTEM AND W Z 3, Z F = --- OUTLET CONTROL SHOWN ARE PROPOSED AND IDENTIFY EXISTING PRIVATE DRAINAGE Q w __- EASEMENT FP-21-101. LOTS 10-13 MUST LL m r H„ OHAVE ETENTIONE�T RAIN STORMWATER INTO ; 0 m ....... 715 --- 3. EXISTING DRAINAGETEM. AREA'1' IS DIVIDED 7 Q X O G, � __. INTO PROPOSED DRAINAGE AREAS i & 2 F (Q U w REFERENCE C4.4 DETENTION OUTFALL "'-- CALCULATIONS FOR RESTRICTOR PLATE .....- 710 DETAIL — — — -- 705 700 3+00 a. �E EXHIBIT B nAl i \ 1 � ++ 'i��� I , Ap _.... i J=-, --, 1 \ a is R mjog li it IM R�\ N44 JI J I Ak a. fi 83 �; yyyR R R9: \ s \` el ----- =-------------------------------------- -�- ------ ------~------------ ONM NE SEE SHEETS O A ?•"OO O ® ❑ la pR SOUTHGATE MARKETPLACE LOTS 10-13 ' e PRIVATE UNDERGROUND DETENTION k\k� M a n CITY OF FORT WORTH, TARRANT COUNTY, TEXAS C 0 N S U �. T i�:_'t diW. �w���d:E..�`:�.:.i EXHIBIT El STORM PLAN`.,.a,..,ao-s...;:EE•reo�..^s..�u.:. STONAWArEAFAC677WS AC'EAOSEE/ENT J l 4 8a log 47 4 0 9 �co SOUTHGATE MARKETPLACE LOTS 10-13 0 PRIVATE UNDERGROUND DETENTION I l M a n h a rd. ~_` o �" CITY OF FORT WORTH, TARRANT COUNTY, TEXAS 13 CONSUL T I ►i C. '�,.o ,, n, r l o� <�is:'.K..E w. "'uk�.iw;u:i`w :r wm:i w.::. ����tiynl I• I EXHIBIT B - STORM PLAN BTOR,VWA7ZR FACC/7" AkW AOREE7L9YT 0+00 1+00 2+00 LINE "STM-UD- (PRIVATE) H: 1" = 40' V- 1" = 4' LINE "STM-UD-A' (PRIVATE) H: 1" = 40' V. 1" = 4, --- IV UN IE,*, 00 Z LU 0 ti 1 0 0 LU a 0 0 0 z Z 1-0 m 0 U, z 3: Lu m x LL Oaf SHM 1 90 SSW5 INFOTION I>" I tn.'nn I>w I R�ISERINFORMATION I`Ir m ,wa r r wnw ED—vvy WEIR IUA DETAIL xm Nr S. .w PSSEMBLY .n.mnn.xev...o�mc..v.a. �awn� r..mva y�== CONTECH VISTAFORTWORTH -�- / ® �,.e�.�,q M,I YJ1\o] SUrr/ILIOI O CITF NFGIC,NATI NrY OLiR.TON RFTFN„ON EXHIBIT B i � bF R dd i�ii x j3� IIgo $g §�3BggI O x C.YC4�y�0 IJ �ya S� 5gg35 pg�g 3g�Fe�� aa4 p�3 @pp gg -i SOUTHGATE MARKETPLACE LOTS 10-13 -•- PRIVATE UNDERGROUND DETENTIONcni I 1•'M a n h a rdR o CITY OF FORT WORTH, TARRANT COUNTY, TEXAS J C O N S U L T I N G IItt ���� Yam'•. I •fi EXHIBIT B- CONTECH DETAILS N .�ar,w.°,. v� �.•w.wwr,oua�.rswtr-ss®�m , STORYWA 7E9 FAOC/7" NkX AoRtz fEMT Ilt co 2 W 11V,I:V V ,awa. ���.. NLVATION,IIM' .,:.oa.w.,. all CwY OFOIIAI0RIW1 oo,u. PLAIN END CNIP RISER PIPE • �•�� ,z^Rls�r�uL xomNwr 2 2/]'x112' RE -ROLLED END HELLDft PIPE ' awa•.u.smMn R42 Hu form DETAIL 49b, llVb,61V0Y2UNUGHUHUUNU UILI NAIIUNJriIGV.t- '—II CONTECH' :4lBBBO,D _ VISTA FORE WORTH FORTWORTH.T% M �mmm -- r*E DESIGNATION•%FILTRATION RETENTION G 5 =I �� CONTECH- REINFORCING TABLE °� • mm wxro•cwm �nsn c ��,•¢���w,� � NANH�LEC�OETAIL 1lVb,6lWttm CtiNiECFf , ". c� N VISTAuFsFORT aWORTH FORTWaRTH,TXRINAIIUN iTJ IFJn s T Z 0 0 F Z O FW- -, a WW F 0 U W U z z c = a o ¢ w w2 a z F O Lu 20 o m W Z 3 'm r 7 I— C7 W w O O 1 , � U �c g y ttna2ma i d sxen e d 12of12 a Exhibit "C" CITY OF FORT WORTH STORMWATER FACILITY OPERATION, MAINTENANCE & INSPECTION PLAN The only responsibility the City of Fort Worth has in the operation and maintenance of this Facility is inspection. General Maintenance Procedures The structural and functional integrity of the Facility shall be maintained at all times by removing and preventing drainage interference, obstructions, blockages, or other adverse effects into, through, or out of the system. The stormwater quality device shall be cleaned and cleared of all sediment shortly after project completion. Generally, a sump -vacuum truck is the most convenient method of removing the captured sediment and floatables from large underground structures. Floatables and oil should be removed in a separate procedure prior to the removal of accumulated sediment from the bottom of the underground storage chambers. The structural and functional integrity of the Facility shall be maintained at all times by following the manufacturer recommendations for maintaining the system. Flushing of the system by hose or other method that may move sediment to the downstream storm sewer system is unacceptable. Periodic silt removal shall occur when standing water conditions occur or the underground storage volume is reduced by more than 10%. This maintenance should be performed as needed based on inspection but is recommended annually. In addition, corrective measures are required any time a basin does not drain completely within 72 hours of cessation of inflow. Accumulated litter, sediment, and debris shall be removed every 6 months or as necessary to maintain proper operation of the basin. Disposal shall be in accordance with federal, state and local regulations. To prevent debris from entering and clogging the downstream storm sewer system a wire mesh screen or similar screening device shall be installed over the outlet until final acceptance. PREVENTIVE MAINTENANCE/INSPECTION Visual inspections of all components will be conducted every 6 months. A log shall be kept of maintenance actions, and inspections. The log should document the condition of the detention system's primary components, silt, litter and debris removal dates. Document any replacement or maintenance of structures. Written maintenance and repair records shall be maintained by the party or parties signing the attached Agreement and shall be provided to the City upon request STORMWATER FACILITY MAINTENANCE AGREEMENT Rev. 3/20/2019 EXHIBIT C C 4 N T E C H® ENGINEERED SOLUTIONS hrfPiLi,lr'ty1���(i�tl�6rJl��f�P�1l dal ihi� a - • © P Detention . .• : Inf iltratio Maintenance Guid(-, 1 A���%\ITCwI>a CMP DETENTION SYSTEMS EXHIBIT C Contech® CMP Detention Maintenance Underground storm water detention and retention systems should be inspected at regular intervals and maintained when necessary to ensure optimum performance. The rate at which the system collects pollutants will depend more heavily on site activities than the size or configuration of the system. Inspection Inspection is the key to effective maintenance and is easily performed. CONTECH recommends ongoing quarterly inspections of the accumulated sediment. Sediment deposition and transport may vary from year to year and quarterly inspections will help insure that systems are cleaned out at the appropriate time. Inspections should be performed more often in the winter months in climates where sanding operations may lead to rapid accumulations, or in equipment washdown areas. It is very useful to keep a record of each inspection. A sample inspection log is included for your use. Systems should be cleaned when inspection reveals that accumulated sediment or trash is clogging the discharge orifice. CONTECH suggests that all systems be designed with an access/inspection manhole situated at or near the inlet and the outlet orifice. Should it be necessary to get inside the system to perform maintenance activities, all appropriate precautions regarding confined space entry and OSHA regulations should be followed. Cleaning Maintaining an underground detention or retention system is easiest when there is no flow entering the system. For this reason, it is a good idea to schedule the cleanout during dry weather. Accumulated sediment and trash can typically be evacuated through the manhole over the outlet orifice. If maintenance is not performed as recommended, sediment and trash may accumulate in front of the outlet orifice. Manhole covers should be securely seated following cleaning activities. EXHIBIT C Inspection & Maintenance Log Sample Template _" Diameter System Location: Anywhere, USA Date Depth of Sediment Accumulated Trash Maintenance Performed Maintenance Personnel Comments 12/01/10 2" None Removed Sediment B. Johnson Installed 03/01/11 1" Some Removed Sediment and Trash B. Johnson Swept parking lot 06/01/11 0" None None 09/01/11 0" Heavy Removed Trash S. Riley 12/01/11 1" None Removed Sediment S. Riley 04/01/12 0" None None S. Riley 04/15/01 2 Some Removed Sediment ACE Environmental and Trash Services EXHIBIT C Support Drawings and specifications are available at www.ContechES.com. Site -specific support is available from our engineers. ©2014 Contech Engineered Solutions LLC A��l%\ITC'AlJ® CMP DETENTION SYSTEMS C.I:NTECH' ENGINEERED SOLUTIONS 800,338,1122 www.ContechES.com Contech Engineered Solutions LLC provides site solutions for the civil engineering industry. Contech's portfolio includes bridges, drainage, sanitary sewer, stormwater, earth stabilization and wastewater treament products. For information, visit www.ContechES.com or call 800.338.1122. NOTHING IN THIS CATALOG SHOULD BE CONSTRUED AS AN EXPRESSED WARRANTY OR AN IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. SEE THE CONTECH STANDARD CONDITION OF SALES (VIEWABLE AT WWW.CONTECHES.COM/COS) FOR MORE INFORMATION. Exhibit "D" Stormwater Underground Detention Maintenance Checklist FREQUENT INSPECTION DATE REPAIRS REQUIRED Remove trash and debris Inspect grates and structures Blocked, Clogged outlet Clean outlet, dispose structure of blockage offsite MINOR INSPECTION Accumulated Silt Remove by hand if Standing Water minor, use vacuum truck if necessary Oil is acumulated inside vault/piping MAJOR INSPECTION Structural damage to pipe, vault, access hatch, ladder Evidence of Tree root Cut and remove roots. intrusion Restore structural integrity of system Damaged Outlet Structure Repair or replace or Inlets any damaged structures in kind. Replace pavement. Damaged Pavement, noticable sinking Contact Engineer to access causes REPAIRS NOTES MADE