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HomeMy WebLinkAboutContract 52076 C'TY SECRETARY CONTRACT NO.. DOE # STORMWATER FACILITY MAINTENANCE AGREEMENT THIS AGREEMENT, made and entered into this day of Maid) C99. 000 , by and between Pulte Homes of Texas, LP, acting by and through Pulte Homes of Texas, LP, hereinafter referred to as "Landowner", the Enclave at Fossil Creek Homeowners'Association,Inc., , hereinafter referred to as "Association" and the City of Fort Worth, hereinafter referred to as "City". WITNESSETH WHEREAS, the Landowner is the owner of certain real property described as an approximately 17.608 acre tract located in the W.B. Dewees Survey, Abstract 396, Tarrant County, Texas according to the deed recorded in D217218743, 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 Fossil Creek Phase 2 hereinafter called the"Plan", which is expressly made a part hereof, as approved or to be approved by the City and the Landowner and Association provides for management of Stormwater within the confines of the Property; and WHEREAS, the City and the Landowner and Association, 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 C �\� STORMWATER FACILITY MAINTENANCE AGREEMENT OFFICIAL RECORD Rev.11/17/2016 CITY SECR&ARY FT. WORTH,TX Landowner, its successors and assigns, including Association, the location and dimensions of which is shown and more particularly described by metes and bounds in the attached Exhibit"A"("Facility Property"); and WHEREAS, Landowner agrees to convey the Facility Property to the Association and the Association agrees to accept the Property where the Stormwater Facility is located. 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 and Association, 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 and Association, 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 Facilities, berms, outlet structure, pond areas, access roads, etc. Components of the Facility, which need maintenance or STORMWATER FACILITY MAINTENANCE AGREEMENT 2 Rev.11/17/2016 replacement to perform their design function, shall be noted in the inspection report along with the corrective actions to be taken. 3. The Landowner and Association, 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 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 and the Association, 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 and the Association, 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 or the Association. 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. STORMWATER FACILITY MAINTENANCE AGREEMENT 3 Rev.11/17/2016 6. This Agreement imposes no liability of any kind whatsoever on the City. THE LANDOWNER AND ASSOCIATION AGREES TO HOLD THE CITY HARMLESS FROM ANY LIABILITY IN THE EVENT THE FACILITY FAILS TO OPERATE PROPERLY. LANDOWNER AND ASSOCIATION COVENANT AND AGREE AND DOES HEREBY INDEMNIFY HOLD HARMLESS AND DEFEND 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 FACILITITY 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; OR FAILURE TO PERFORM ANY OTHER DUTIES OR OBLIGATIONS HEREUNDER. 7. Landowner and Association covenants and agrees that no habitable building shall be erected within the drainage easement outlined on Exhibit "A" but this paragraph shall not preclude construction of other improvements within the drainage easement, which do not impede drainage. Landowner and Association covenants and agrees that no habitable building shall be erected on the above property abutting such easement 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 flood. 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 owners association. STORMWATER FACILITY MAINTENANCE AGREEMENT 4 Rev.11/17/2016 9. Notwithstanding anything to the contrary contained or implied elsewhere herein, it is expressly agreed and understood that the liabilities, indemnities and obligations of Pulte Homes of Texas, LP as Landowner hereunder shall expire and be of no further force or effect upon the transfer ("Transfer") by Pulte Homes of Texas, LP to the Association of legal title to the Facility Property, save and except for any liabilities, indemnities and obligations of Pulte Homes of Texas, LP as Landowner hereunder which have accrued and are due, payable and/or performable as of the date of the Transfer and which shall expressly survive the Transfer. Executed this ay of 20ff Landowner: Pulte Homes of Texas, LP Cityof F orth Jesus J. Chapa Name: Clinton Vincent Assistant City Manager Title: Division VP of Land Development Approved as to Form and Legality HomeownersAssociation d" 'Assistant City Att ey Name: Curt Millward _ ATTEST F FOR �. Title: HOA Board of DirectorsVI :2 ty Secr OFFICIAL RECORD STORMWATER FACILITY MAINTENANCE AGREEMENT Rev.11/17/2016 CITY 5ECREfARY FT. WORTH,TX STATE OF TEXAS § COUNTY OF TARRANT § Thk imtrument was acknowledged before me on ✓', )Z IQ by v Q` a?,4Assistant City Manager of the City of Fort Worth, on behalf of the City of Fort Worth. El ARfA S.S Lt22 E2 Notary tD 6490 DNot Pub is State of Texasns December ,2021 ' STATEOF TEXAS § COUNTY OF TARRANT § Before me, the undersigned authority on this 49� 1 day of ,VV 20AS personally appeared u Eau- muni— known to me to be the person whose name is subscribed to the foregoing instrument and owled ed to me that the same is the act of `� ltm"g aq4 that heffee t�Uhmme as its \J� �,�• and as the act of such (� '� 'a9�d 'p5� poses and consideration expresso %jttithqiNegoing ins ent. p HER1yq,ti,G����i = of ry Public, State of Texas 9Jf S�� STATE OF TEXV /G 125662`'��'• ziRES 4-16- COUNTY OF TA111100 § l� This,in,strument wa acknowl dged before me on Stir by, l.�llJ�'� , authorized representati , acting on behalf of the �ejfjG Homeowners Association. A�µE.1111/1 111///Z 'SPRY PUB •.���� ��//" !� •• of y Public, tate of Texas C-D �jglF OFFICIAL RECORD STORMWATER FACILITY N,N1 rE •• T Rev.11/17/2016 moi, •. ••••..•• ��� CITY SECRETARY FT. WORTH,T% Contract Compliance Manager By signing I acknowledge that I am the person responsible for the monitoring and administration of this contract, including ensuring all performance and reporting requirements. Ashraf Ibrahim Management Analyst 11 OFFICIAL RECORD CITY SECRETARY FT. WORTH, TX EXHIBIT"A" INSERT LEGAL DESCRIPTION STORMWATER FACILITY MAINTENANCE AGREEMENT 7 Rev.11/17/2016 EXHIBIT "A" LEGAL DESCRIPTION FOR PUBLIC DRAINAGE EASEMENT All that certain lot, tract, or parcel of land, situated in a portion of the W. B. Dewees Survey, Abstract No. 396, City of Fort Worth, Tarrant County, Texas, being part of that certain called 34.461 acre tract described in a deed to Pulte Homes of Texas, L.P., recorded in Instrument No. D217218743 of the Deed Records of Tarrant County, Texas (DRTCT), and being more completely described as follows, to-wit: BEGINNING at a 1/2" capped iron rod found stamped "3047" for the Southwest corner of said 34.461 acre tract, the Southeast corner of Lot 1, Block 1 of Fossil Creek, Phase II-Block 1 recorded in Cabinet A, Slide 8749 of the Plat Records of Tarrant County, Texas (PRTCT), and being in the North right-of-way line of Fossil Creek Boulevard (120' width) as shown in Volume 388-140, Page 40 (PRTCT), from which a 1/2" iron rod found"bent" for the Southeast corner of said 34.461 acre tract and being in said North right-of-way line bears North 89 deg. 29 min. 15 sec. East— 1100.01 feet; THENCE North 00 deg. 32 min. 02 sec. West departing said North right-of-way line and continue along the West line of said 34.461 acre tract, and the East line of said Lot 1, Block 1 a distance of 147.72 feet; THENCE North 79 deg. 05 min. 16 sec. East departing said East and West lines, a distance of 102.05 feet to a Point of Curvature of a non-tangent circular curve to the left, having a radius of 50.00 feet, a central angle of 59 deg. 18 min. 26 sec., and being subtended by a chord which bears South 23 deg. 06 min. 30 sec. East—49.48 feet; THENCE in a southeasterly direction along said curve to the left, a distance of 51.76 feet; THENCE South 37 deg. 14 min. 17 sec. West radial to said curve, a distance of 139.71 feet; THENCE South 00 deg. 30 min. 45 sec. East, a distance of 10.00 feet to the South line of said 34.461 acre tract and the North right-of-way line of said Fossil Creek Boulevard; THENCE South 89 deg. 29 min. 15 sec. West along said South line and North right-of-way line, a distance of 33.80 feet to the POINT OF BEGINNING, containing 12,674 square feet or 0.291 acres of land, more or less. Bearings are referenced to Texas State Plane Coordinate System, North Central Zone (4202), North American Datum of 1983 as derived from GPS observation. g'�p••�ISTF' Sys, Exhibit map attached and made a part hereof JOHN N. ROGERS •,,0,9 6372 . St� Page 1 of 2 EA10676-Fossil Creek\LOGO\GM EASEMENTS\DE1 LGL.docx CURVE TABLE CURVE RADIUS ARC I DELTA I CHORD BEARING CHORD ti C11 50.00' 51.76' 59'18'26" S23°06'30"E 49.48' I g6 I �,��� Q cn oLU 1-4 CC D � Qj — _ PUBLIC DRAINAGE I a o J EASEMENT , 12,674 SQ. FT. / 0.291 AC. / — — — — 1 � I • X02.05' N LINE TABLE Z j' tia LINE BEARING DISTANCE I I L1 S00°30'45"E 10.00' i I L2 S89°29'15"W 33.80' 1 L2 / J N89*29'15"E 1066.22' POINT OF FOSSIL CREEK BOULEVARD BEARINGS ARE REFERENCED BEGINNING VOL. 388-140, PG. 40, P.R.T.C.T. TO TEXAS STATE PLANE 1/2' C.I.RF. 120' RIW COORDINATE SYSTEM, � 7 NORTH CENTRAL ZONE o GRAPHIC SCALE I "=60 ' (4202 1, NORTH AMERICAN DATUM OF 1983 AS DERIVED FROG', GPSS OBSEER VAT1 IN. Q J Q- 0 60 EXHIBIT"A"MAP SHOWING 0 PUBLIC DRAINAGE EASEMENT,SITUATED IN A PORTION OF THE o W. B. DEWEES SURVEY,ABSTRACT NO.396 / CITY OF FORT WORTH,TARRANT COUNTY,TEXAS (E OF T G° 00DWW8 Job No. 10676 Scale: 1" = 60' Sheet .:� :� _ J%OHN N. ROGERS MAR,SHALL Drafted B.A.J. Checked: J.N.R. 2 • ........ •••• CIVIL ENGINEERS--PLANNERS--SURVEYORS y Surveyed on the Ground: 12/16/2016 2405 Mustang Drive,Grapevine,Texas 76051 of l� Metro(817)3294373 Date Prepared: 7/17/2017 i TBPE REGISTRATION#F-2944 2w TBPLS#10021700 Revised: 3/6/2019 Revised: 3/18/2019 Date Signed:3 /��o \ h 57 / \ 657.55 MIN FFE-- — x Ess O S 655. 60 6`Su' C � � �j SES 6S4 6' 56 C o� 44X / FP= ( �h 65 7.8 0 CD 1 1 •� MIN FFEf i ACCESS RAMP s /0'MIN WID TH 157 MAX SLOPE r N co Bmf t 5.-9/J Ln o , � Ofl Q � l POND A 0 a N (D W 0 t w GRAPHIC SCALE 1 "=40 ' e (D Z 0 40 80 120 o w i c n POND A DISCHARGE SUMMARY (SCS Methodology ) � Existing (cfs ) Proposed (cfs ) 0 1-year 2 .7 2 .0 5-year 6 . 1 4 .5 100-year 13 . 1 9 .9 0 w i Qa 0EXIS HT B Qa O E J SHEET I OF 4 w z z J J O TOP OF BANK O ELEV = 655.00 - 100-YR EMERGENCY OVERFLOW WSEL = 654.40 100-YR WSEL = 653.60 a SEMON C-C NTS O c\j TOP OF BANK ELEV = 655.00 Lo 100-YR EMERGENCY OVERFLOW L ® WSEL = 654.40 c� Q - - - P� O_ A Lo 9f EMERGERNCY SPILL WA Y ELEV = 654.00' i 30' Q F NTS 0 a N 0 TOP OF BANK 0 ELEV = 655.00 s n ® 100-YR EMERGENCY OVERFLOW WSEL = 654.40 0 � 100-YR WSEL = 653.60 — — o _ � w � a � y EMERGENCY SPILL WA Y w ELEV = 654.00 0 a� O ISN 24' R.C.P. co co 0 w SE(C'1!'IlOND D NTS j��CC]]��( 0 ��IIHBHT Tm O 10) SHEET 2 OF 4 w DETENTION SUMMARY POND A A DETENTION FACILITY HAS BEEN DESIGNED TO SERVE THE PROPOSED FOSSIL CREEK PHASE 2 DEVELOPMENT. IN ORDER TO REDUCE THE PEAK FLOWS GENERATED BY THE DEVELOPMENT DRAINAGE AREA 'A-2' WILL DRAIN TO DETENTION POND 'A '. POND 'A ' WILL THEN OUTFALL BY MEANS OF A 24' DIAMETER PIPE THAT WILL CONNECT TO AN EXISTING 4 'x4 ' DROP INLET AT THE SOUTHWEST CORNER OF THE SITE AND BE ROUTED THROUGH EXISTING S.D. L INE 'A ' DOWNSTREAM CONS TRUC TED WITH L 0 T /, BLOCK I FOSSIL CREEK, PHASE H IMPROVEMENTS (W-1374 ). THE DETENTION ANAL YSIS WAS PERFORMED UTILIZING THE U.S. ARMY CORPS OF ENGINEERS HEC-HMS v4.2 UNIT HYDROGRAPH COMPUTATION PROGRAM USING SCS METHODOLOGY. A HYDROGRAPH WAS GENERATED FOR THE DRAINAGE AREA BEING DETAINED AND THEN ROUTED THROUGH DETENTION POND 'A '. THE 100-YEAR DISCHARGE FROM THE PROPOSED POND HAS BEEN CAL CUL A TED TO BE 9.9 CFS WHICH IS BELOW THE EXISTING CONDITIONS DISCHARGE OF 13. l CFS AS WELL AS THE DESIGN CAPACITY OF S.D. L INE 'A ' (W-13 74 ) DO WNS TREAM OF /0.4 CFS. REFER TO THE oFINAL IS FOR DETAILED CALCULATIONS AND ANALYSIS OF THE N o DOWNSTREAM SYSTEMS. LANDSCAPE NOTES 1. THE OWNER SHALL BE RESPONSIBLE FOR THE ESTABLISHMENT, MAINTENANCE, AND VIGOR OF PLANT MATERIAL IN ACCORDANCE WITH THE DESIGN INTENT AND AS APPROPRIATE FOR THE SEASON OF THE YEAR. 2. LANDSCAPE AND OPEN AREAS SHALL BE FREE OF TRASH, LITTER, AND WEEDS. a� 3: 3. NO PLANT MATERIAL SHALL BE ALLOWED TO ENCROACH ON R.0. W. , CL SIDEWALKS, OR EASEMENTS TO THE EXTENT THAT VISION OR ROUTE N OF TRAVEL FOR VEHICULAR, PEDESTRIAN, OR BICYCLE TRAFFIC IS IMPEDED. 0 4. TREE MAINTENANCE SHALL BE IN ACCORDANCE WITH THE STANDARDS OF THE INTERNA TIONAL SOCIETY OF ARBORICUL TUBE. Y CD 5. TREE STAKING MATERIALS, IF USED, SHALL BE REMOVED AFTER L. (l) GROWING SEASON, NO MORE THAN (l) YEAR AFTER INSTALLA TION (STEEL TREE S TAKES, WIRES, AND HOSES ARE PROHIBITED ). U) U) 6. REMOVE TRASH, SEDIMENT, OR DEBRIS FROM POND AREAS. THE U) PONDS ARE DESIGNED TO ACCUMULATE SEDIMENT. REMOVE SEDIMENT o WHEN THE DEPTH REACHES 8 TO /0 INCHES. REPAIR DISTURBED AREA WI TH SEED AND S TRA W. Y a 7. MOW GRASS TO A HEIGHT NO LOWER THAN 4 INCHES IN THE BOTTOM AND SIDE OF PONDS AND DRAINAGE DITCHES. REMOVE GRASS CLIPPINGS AND U) LEA VES. U) 0 w 8. DISPOSE OF ACCUMULATED SEDIMENT, TRASH, AND DEBRIS IN A MANNER THAT IS PERMITTED BY THE LOCAL, STATE, AND FEDERAL REGULATIONS. 0 �d�111Ji11111J 0 rr 1B SHEET 3 OF 4 w PmOd kmi l Creek Sy91am 11 SWUAon Run:Fmpowd'UL-YR Pr 1W Final 099 Swan 11 Silr Abon Rin:PROPOSED lWYR SPILLWAY Reserrar: Pond A Resendr Pond A Start d Run. 01JU2017,12:00 Basin Model: PROPOSED Star-d Run: DI A0017,12:00 Baan Model. PROPOSED SPILLWAY Eno d Run: 02 WX17,1200 Mebotdogrc Modal: 100-YR End of Run: 02Jd2017,MOD Mewdogic Yodel: IMYR Cmplaa Time:17A=17,1059:22 Corard Specilked": Contrd 1 Compile Tkd.24Jun2017,12.47.37 Co*d specilkarkw Cmbd- Vekm Urelsly volume Unft1N YYER LENGTH es 30 ELEVATION=654.0 Computed Remh Computed Results Peak inflow: 16.8(CPS) Date/Time of Peak Inflow: 021112017,00:1 Peak Inflow: 16.8(CPS) Dat rkm d Peak hollow: D2]112017,00:10 Makr>;scnar.W: 4.9(M) r1WPframorMaknisdargeMIJ70117,00:7 1 Prakfliwhwar 1i►3(('.P.S) 11i#rtTerrdPm*rAvMrgr07117ft17,fM:V Inftw Vdume: B.15(IN) Peak Storage: 0.4(AC-M Wow Vduma: &15(IN) Peak Stdrape: 0.5(ACfT) DNdlage Vakne7.92(IN) Peal Ek!vatim: 653.6(Fr) Det ffW Vdutle&13 CIN) Peek EMAoon: 654.4(Fr) Pond Report Hy&aik w Hydrognwhs by Inteftoive v9.1 Maldmy. iul 17,2017 ti 0 Pond No. 2 , POND A N Pond Data L0 Pond storage Is based on 41sT-defined values. N r?) Stage I Storage Table stage(m Elevation(ft) Contour area(9gllt) Inca Storage(cuff) Taal Stange(culla 0.00 650.00 we 0 0 0) 1.00 851.00 nlB 3,099 3,090 2.00 852.00 rVa 4,135 7,234 75 300 653.00 No 5.305 12,539 3.26 653.25 019 1A65 14.244 3.50 653.50 rJe 11665 15,869 N 3.75 653,75 We 1x665 17,534 4.00 654.00 nla 1664 19,196 5.00 566.00 rVa 8.390 27,68% CL Cufwrt I Orifice Structures Weir Structures N a7 [A] [B] [C] [Pditr] [A] [01 [C] IDI L Rise(in) a 24.00 0.00 0.00 D-DD Crest Len(it? a 37.04 0.00 0.00 0.00 C- apse On) 24.00 0O 0.00 0.00 Crest EI.(ft) ■ 653.75 650.00 0.00 0.00 Y No.Bands R 1 0 0 D Wek Cosff. m 3.33 0.45 3.33 3.33 N knvwt[I.(R) 650.00 0 OD 0_DO 0.010 Wak 4yps - Riser X degV -- - 0 Length(111) _ 490-3 0 00 0 DO 000 Multi-stags = Yes Yes No No _ Slooe 1%) = 3,61 coo 0 OD rVa to N-Vakm = .013 013 013 nim 0 Or"ke Coen. = 0.50 050 0 W 060 ExflLgnlhri a 0-000(by Wet F") ( / Multi-Stage = n/a Nlo No NO. TIN Elev.(R) = 0.00 to - C Note:CedrrVOrirmoe�LAq a we r+elleed under lel[c)end m"Coe)car".prei mien d,edmd Our vire m do"1iq aed svEmraer-- o Stage I Storage I Discharge Table Y Stays Storage Elevation CNA Civ a Chr C PrMar Wr A Wr a IRM C 1ffR 0 Exhi User Total ft cult ft cis efs cia Cis Cis Cis Cis cis cis C6 C6 N CJ 0.00 0 650.00 0.00 - •-- - 0.00 --- --- - -- -- 0.017 1.00 3.099 651.00 0.44 k - - --• 0.00 0.421 - -- --- -- 0.42 N 2.00 7,234 652.00 2.38 k - 0.00 2.35 a - 2.35 In 300 12,599 653.OD 6 37 is - 0.00 6.35 s 6.35 LL_ 3.25 14,204 653.25 7.80 iic -• 0.00 7.70 s 7,70 3.50 15.669 66350 9 23 k 0.00 9.22s 9.22 376 17.634 66376 10 88 ie 0.00 f 0137 s 1087 4.00 19,199 654 DO 23 40 is - - _ 15,42 7948 23.40 ti 5.00 27,568 4355.00 3022 is 27.65 s 2.37s _ _ _ - 30.71 O1 rrTm w SHEET 4 OF 4 Exhibit "C" CITY OF FORT WORTH STORMWATER FACILITY OPERATION AND MAINTENANCE 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. Periodic silt removal shall occur when standing water conditions occur or the pond's storage volume is reduced by more than 10%. Silt shall be removed and the pond/basin returned to original lines and grades shown on the approved engineering plans. In addition, corrective measures are required any time a basin does not drain completely within 72 hours of cessation of inflow. NO STANDING WATER IS ALLOWED in basins designed for dry detention purposes. 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. Detention facilities shall be mowed monthly between the months of April and October or anytime vegetation exceeds 12-inches in height. 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. 4. 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, mowing, and silt, litter and debris removal dates. Document aeration of the basin bottoms and replanting to prevent the sealing of the basin bottom. • 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 8 Rev.11/17/2016 Exhibit "D" Stormwater Structural Maintenance CHECKLIST FREQUENT REPAIRS REPAIRS INSPECTION DATE REQUIRED MADE NOTES Mowing Remove Trash and debris Inspect irrigation system operation Remove grass clippings Violations Noted MINOR INSPECTION Condition of Pond Amount of silt in and Amount of silt in flume Amount of ponded water Amount of wetland vegetation Location of Erosion Percent of vegetation Condition of trash guard Location of Erosion MAJOR INSPECTIONS Condition of Stormwater Quality Structure Type of Stormwater Quality Structure Structure type and Condition Condition of Rip- Ra STORMWATER FACILITY MAINTENANCE AGREEMENT 9 Rev.11/17/2016 Condition of filtrations stem Berm or Embankment Settlement Location of erosion Evidence of Animals Evidence of Aquatic life Condition of Aeration Foundation STORMWATER FACILITY MAINTENANCE AGREEMENT 10 Rev.11/17/2016