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HomeMy WebLinkAboutContract 52768 CITY SECRETARY CONTRACT NO. DOE # AECEIV t' STORMWATER FACILITY MAINTENANCE AGREEMENT �� cr �4 Ci. THIS AGREEMENT, made and entered into this day of S , ��, by and between BAP Hospitality, LLC, acting by and through Parul Patel, 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 an approximately 0.32 acre tract located in the J.C. Donaldson Survey, Abstract 1786, Tarrant County, Texas according to the deed recorded in Volume 388-44, Page 50, 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 3 Story Motel 6 and Studio 6 (Section II Addition, Lot 3, Block 9) 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 Stormwater 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 ma` OFFICIAL RECORD CITY SECRETARY STORMWATER FACILITY MAINTENANCE AGREEMENT FT ;f VUR�p'rH,TXRev. 11/17/2016 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.11/17/2016 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.11/17/2016 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 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 TO PERFORM ANY OTHER DUTIES OR OBLIGATIONS HEREUNDER. 7. Landowner 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 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. [SIGNATURE PAGE FOLLOWS] STORMWATER FACILITY MAINTENANCE AGREEMENT 4 Rev.11/17/2016 Executed this 14day of 20,f. Landowner City of Fort Worth Name: Jesus J. Chapa Assistant City Manager Title: ©G0/U5-R Approved as to Form and Legality sistant Citi-Ab3ine39 ATTEST - , F a?j ity Secret r OFFICIAL RECORD CITY SECRETARY FT. WORTH, TX( STORMWATER FACILITY MAINTENANCE AGREEMENT 5 Rev.11/17/2016 STATE OF TEXAS § COUNTY OF TARRANT § This instrument was acknowledged before me on JZ by Jesus J. Chapa, Assistant City Manager of the City of Fort ort , on behalf of the City of Fort Worth. E • MARIAS.SANCHEZMy Notary ID#2256490 Not y Public, State of Texas " Expires December i9,2021 STATE OF TEXAS § COUNTY OF TARRANT § Before me, the undersigned authority on this day of Sep 20 , personally appeared PA known to me to be the person whose name is subscribed to the foregoing instrument and acknowledged to me that the same is the act of Bf1 P f�oSPi-�c y: GGG , and that he executed the same as its CWIN--R and as the act of such for the purposes and consideration expressed in the foregoing instrument. t Notary Pu i , State A T as FEaf JENNItER lOUISE EZERNACK Notary Public,State of Texas7f Comm.Ezpires03-01-2020Notary IC 130561630 OFFICIAL RECORD CITY SECRETARY FT. WORTH,TX STORMWATER FACILITY MAINTENANCE AGREEMENT 6 Rev. 11/17/2016 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 II OFFICIAL RECORD CITY SECRETARY FT WORTH,TX EXHIBIT "A" STORMWATER FACILITY MAINTENANCE AGREEMENT 7 Rev.11/17/2016 PRIVATE DRAINAGE EASEMENT J.C. Donaldson Survey, Abstract Number 1786 City of Fort Worth, Tarrant County, Texas LEGAL DESCRIPTION BEING a 0.36 acre tract of land out of the J.C. Donaldson Survey,Abstract Number 1786, situated in the City of Fort Worth,Tarrant County Texas and being a portion of a called 2.790 acre tract of land conveyed to BAP Hospitality, LLC by deed of record in Document No. D216186695 of the Official Public Records of Tarrant County, Texas and being more particularly described by metes and bounds as follows: COMMENCING, at a It2-inch iron rod found in the East right-of-way line of Northwest Loop 820 (R.O.W. Varies), being the Southwest corner of a called Tract A- 1.229 acre tract of land conveyed to Shady Oaks National Bank by deed of record in Volume 7770, Page 421 of the Deed Records of Tarrant County, Texas, also being the Northwest comer of said 2.790 acre tract; THENCE, S 00-27-35" E, along the East right-of-way line of Northwest Loop 820 and the common West line of said 2.790 acre tract, a distance of 19.93 feet to the POINT OF BEGINNING and Northwest comer hereof; THENCE, leaving the East right-of-way line of Northwest Loop 820, over and across said 2.790 acre tract, the following courses and distances: S 45"27'35" E. a distance of 69.32 feet to an angle point; S 00027'35" E, a distance of 146.13 feet to an angle point; S 45°27'35" E, a distance of 22.55 feet to an angle point; N 0003848"W, a distance of 6.08 feet to an angle point; N 89021'19" E, a distance of 16.00 feet to an angle point; S 00'3848" E, a distance of 12.24 feet to an angle point; N 89021'20" E, a distance of 100.66 feet to an angle point; N 4503848"W, a distance of 29.40 feet to an angle point; N 44*2112" E, a distance of 15.00 feet to an angle point; S 45°38'48" E, a distance of 45.65 feet to an angle point; S 00"3648" E, a distance of 3.73 feet to an angle point; N 89"21'12" E, a distance of 33.26 feet to an angle point; LEGAL DESCRIPTION CONTINUED ON PAGE 2 PAGE 1 OF 3 EAGLE SURVEYING,LLC 210 S.ELM STREET SUITE: 104 EAGLED (94T0)222 3009 01 SURVEYING TX FIRM# 10194177 JOB NUMBER DRAWN BY DATE 16-09-39-06 CF 8/29/2019 PRIVATE DRAINAGE EASEMENT J.C. Donaldson Survey, Abstract Number 1786 City of Fort Worth, Tarrant County, Texas LEGAL DESCRIPTION CONTINUED S 45°39'26"E, a distance of 138.58 feet, from which a 1/2 inch iron rod with plastic cap stamped "ZIPS RPLS 4288"found in the West line of a called 1.3753 acre tract of land conveyed to El Sombrero Mexican Restaurant, Inc. by deed of record in Document No. D202058707 of said Official Public Records, being the South comer of Lot 3RB, Block 9-A of Shady Oaks Manor, a subdivision of record in Cabinet A, Slide 7267 of the Plat Records of Tarrant County, Texas, also being the most Easterly Northeast comer of said 2.790 acre tract bears, S88"37'01"E, a distance of 71.30 feet S 44°20'34"W, a distance of 15.00 feet to an angle point; N 45039'26"W, a distance of 132.37 feet to an angle point; S 89021'12"W, a distance of 16.85 feet to an angle point; S 0003848" E, a distance of 34.19 feet to an angle point; S 89023'16'W, a distance of 64.38 feet to an angle point; S 00"3644" E, a distance of 5.00 feet to an angle point; S 8903228"W, a distance of 90.79 feet to an angle point; N 00041'20"W, a distance of 40.20 feet to an angle point; S 89018'54"W, a distance of 14.81 feet to an angle point; N 00"28'18"W, a distance of 24.36 feet to an angle point; N 45940'21"W, a distance of 14.03 feet to an angle point; N 00027'35"W,a distance of 146.13 feet to an angle point; N 45027'35"W, a distance of 48.10 feet to a point in the East line of East right-of-way line of Northwest Loop 820, being the West fine of said 2.790 acre tract; THENCE, N 00°27'35"W, along the East right-of-way line of Northwest Loop 820 and the common West line of said 2.790 acre tract, a distance of 21.21 feet to the POINT OF BEGINNING and containing an area of 0.36 Acres, or(15,564 Square Feet)of land, more or less PAGE 2 OF 3 1 hereby certify that this survey, plan or report was prepared by me or under my direct supervision and that I EAGLE SURVEYING,LLC am a licensed Land Surveyor unde A04aws of the State 210 S. ELM STREET of Texas. SUITE: 104 EAGLE DENTON,TX 76201 (940)222-3009 "'' •y A 90�� SURVEYING TX FIRM# 10194177 Ted A. GossettR.P4.S.#5991 _ '• - -Y. JOB NUMBER DRAWN BY DATE R Date 16-09-39-06 CF 8/29/2019 PRIVATE DRAINAGE EASEMENT J. C. Donaldson Survey, Abstract No. 1786 City of Fort Worth, Tarrant County, Texas POC TRACT A CALLED 1.229 ACRES �{ \ 1/2"IRF SHADY OAKS NATIONAL BANK VOL.7770,PG.421 / ' 0 D.R.T.C.T. POB `� 0 lip S �ti+JE•�' LOT 3RA,BLOCK 9-A 00 SON 86 SHADY OAKS MANOR \ z° J C QO�P��T tAc'11 D B A,SLIDE�i2675/ 0 H- LL ,• p►�s� P.R.T.C.T. m L4 '�� C / LOT 3RB,BLOCK 9-A �.7 L12 \ SHADY OAKS MANOR Q c j a = L7 L8 L9 L DOC.NO.D202041035 Q Q ~ 26 L5 CAB.A,SLIDE-fNil P.R.T.C.T. o > Z3 L24 L23 L18 �zQ L22 L21 L 19 U) > PRIVATE DRAINAGE L16 �PS 42 PLS EASEMENT 00 CALLED 2.790 ACRES 0.36 ACRES / BAP HOSPITALITY,LLC / CALLED 1.3753S DOC.No.D216186695 EL SOMBRERO MEXICAN O.P.R.T.C.T. RESTAURANT,INC 112 IRF . . • • -- ' ' '� .. DOC.NO.D202058707 — SHADY OAKS MANOR DRIVE O.P.R.T.C.T. 60'RIGHT-OF-WRY COP VOL 3a8.44,PG.50.P.R.T.C.T. \ LINE TABLE LINE BEARING DISTANCE L1 S 00'27'35"E 19.93' L2 S 45°27'35"E 69.32' LINE TABLE LEGEND L3 S 00927'35"E 146.13' LINE BEARING DISTANCE CIRF CAPPED IRON ROD FOUND L4 S 45°27'35"E 22.55' L11 S 45°3848"E 45.65' = ' $ POS=POINT OF BEGINNING N 00°38 W 6.0 E 16.08' L 12 S 0003848"E 3.73' L L5 N 89°21 4848" POC=POINT OF COMMENCMENT L7 S 00°38`48"E 120,24' L13 N 89°21'12"E 33.26' P.R.T.C.T.-PLAT .0T RECORDS L14 S 45°39'26"E 138.58' TARRANT COUTNY,TEXAS L8 N 89'21'20"E 100.66' L15 S 88°37'01"E 71.30' D.R.T.C.T.=DEED RECORDS L9 N 45°3848"W 29.40' L16 S 44020'34"W 15.00, TARRANT COUTNY,TEXAS 1-10 N 44*21'12"E 15.00' L17 N 45°39'26"W 132.37' O.P.R.T.C.T.=OFFICIAL PUSUC RECORDS L18 $89°21'12"W 16.$5' TARRANT COUTNY,TEXAS N L19 S 00°3848"E 34.19' PAGE 3 OF 3 L20 S 89023'16"W 64.38' L21 S 00*36*44"E 5.00, EAGLE SURVEYING,LLC L22 S 89°32'28"W 90.79' 210 S.ELM STREET L23 N 00041'20"W 40.20' SUITE:104 L24 S 89018'54"W 14.81' EAGLE ( �Z��OI L25 N 00°28'18"W 24.36' L26 N 45940'21"W 14.03' L27 N 00027'35"W 146.13' SURVEYING TX FIRM N 10194177 1n=50' L28 N 45927'35"W 48.10' JOB NUMBER I DRAWN BY 129 N W 21.21' 16 W39-W CF &2wm19 0 25 50 PRIVATE DRAINAGE EASEMENT Jose Maria Basquis Survey, Abstract No. 85 City of Fort Worth, Tarrant County, Texas LEGAL DESCRIPTION BEING a 0.05 acre tract of land in the Jose Maria Basquis Survey,Abstract Number 85 situated in the City of Fort Worth,Tarrant County,Texas and being a portion of a Lot 3-B,Block 9,of Shady Oaks Manor,Section II,a subdivision of record in Cabinet 388-95,Slide 10 of the Plat Records of Tarrant County,Texas and being a portion of a called 8.522 acre tract conveyed to the State of Texas in the deed recorded in Document Number D200202905,of the Deed Records of Tarrant County,Texas(D.R.T.C.T.)and being more particularly described by metes and bounds as follows: COMMENCING at a 1/2 inch iron rod found in the East fine of the said Lot 3-B said comer being the Southwest comer of a called 1.1229 acre tract described as Tract A in the deed to Shady Oaks National Bank recorded in Volume 7770, Page 421.D.R.T.C.T.and the Northwest comer of a called 2.790 acre tract of land conveyed to BAP Hospitality,LLC recorded in Document Number D216186695,(D.R.D.C.T.) THENCE S 00°2T35"E,with the common line between said Lot 3-B and the common West fine of the called 2.790 acre had,a distance of 19.93 to the POINT OF BEGINNING and the Northeast comer herein; THENCE S 00'27'35"E,with the common line between said Lot 3-13 and the common West line of the called 2.790 acre tract,a distance of 21.22 feet to an angle point,from which a 1/2"iron rod found at the Southeast comer of Lot 3-13 bears,S 00'27"35"E.a distance of 403.70 feet; THENCE N 44'52'39"W,over and across said Lot 3-B,a distance of 97.94 feet to an angle point; THENCE N 16'28'37"W,over and across said Lot 3-B,a distance of 64.87 feet to the East line of Part 1 of an Easement of records to the State of Texas,recorded in Volume 5336,Page 273,D.R.T.C.T.; THENCE N 30-04'37"E,with the East line of said Part 1 and the East line of Part 2 of an Easement of records to the State of Texas, recorded in Volume 5336,Page 273,D.R.T.C.T.,a distance of 17.38 feet to an angle point; THENCE over and across the said Lot 3-B the following(3)three calls: 1. S 35'46'42"E,a distance of 7.23 feet to an angle point; 2. S 16*18*45"E,a distance of 66.34 feet to an angle point; 3. S 44055'49"E,a distance of 78.96 feet to the POINT OF BEGINNING and containing 2,345 square feet,0.05 acres of land more or less. I hereby certify that this survey,plan or report was prepared by me or under my direct supervision and that 1 am a licensed Land Surveyor un r the laws of the State of Texas. f '1 F 14 Ted A. G ssett "4� R.P.L.S.#5991 `ASSETT, PAGE 1 OF 2 if _..,........ `.='� owl EAGLE SURVEYING.LLC\. 210 S.ELM STREET SUITE: 104 EAGLE N 22 X ` SURVEYING TX FIRM 0 tols41n JOB NUMBER I DRAWN BY DATE i$-WS4-m I CF M151201s PRIVATE DRAINAGE EASEMENT Jose Maria Basquis Survey, Abstract No. 85 City of Fort Worth, Tarrant County, Texas A (] O. C'' \ PART 2 STATE OF TEXAS 'C\ \G �ry�• ` VOLUME 5336,PAGE 273 D.R.T.C.T, ryg,� N' Q SON SURVEY, �". h J.C.D RACT N°' 17S6 PART 1 v 61 / STATE OF TEXAS VOLUME 5336,PAGE 273 D.R.T.C.T. (CALLED 8.522 ACRES) � STATE OF TEXAS TRACT A DOC.NO.D200202905 D.R.T.C.T. CALLED 1.229 ACRES SHADY OAKS NATIONAL BANK LOT 3-8,BLOCK 9, VOL.7770,PG.421 SHADY OAKS MANOR,SECTION 11 D.R.T.C.T. CABINET 388-95,SLIDE 10 P.R.T.C.T. 1@"IRF PRIVATE DRAINAGE EASEMENT 2345 SQUARE FEET \ 0.05 ACRES N 0 M tAw IA BASQUIS 85 (CALLED 2.790 ACRES) \ UP BAP HOSPITALITY,LLC JOSE ABSTRACT N°' co DOC,NO.D216186695 SURVEY+ N D.R.T.C.T. \ o . 0 LINE TABLE LINE BEARING DISTANCE 112"IRF L1 S 00°27'35" E 19.93' L2 S 00*27'35" E 21.22' L3 N 44"52'39"W 97.94' L4 N W28'37"W 64.87' L5 N 30°04'37"E 17.38' L6 S 35°46'42" E 7.23' N L7 S 16°18'45" E 66.34' L8 S 44°5549" E 78.96' PAGE 2 OF 2 LEGEND EAGLE SURVEYING,LLC IRF=IRON ROD FOUND 210 S.ELM STREET SURE: 104 POB=POINT OF BEGINNING OF EAGLE DEW",TX 7009 P D. .T. =PLATECORDS COMMENCING SURVEYING TX FIRM# 10194177 1" = 50' TARRANT COUNTY.TEXAS �F---E?TM" D.R.D.C.T.=DEED RECORDS, JOB u DRAWN BY I DATE 0 25 50 TARRANT COUNTY,TEXAS 1648- 1 CF iN=2019 EXHIBIT "B" STORMWATER FACILITY MAINTENANCE AGREEMENT 8 Rev.11/17/2016 SVX31'H1NOM 1N0=-9 OIOf11S 4 91310W ANoi" N J Q J O Q W Q�� WQ J o �2� � �� Q �� a Wo Q c��� �V j N� kQ ��k �kQ �Q aO yQ`g � WN 3Q::tN 2 � U u Now d N 2 w U oQQK:' Q Qm=� h= 00Qam w Z p a om � 0 N i ao < cli \ o a/I —g� o �. 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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.. Accumulated sediment shall be removed when sediment is at or above 3 inches in depth. At minimum, StormTech's recommends annual inspections. The isolator Row should be inspected every 6 months for the first year of operation. 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. 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 9 Rev.11/17/2016 1� F :7}v J� I ,e 1 1 THEMOSTADVANCL NAME IN WATER MANAGEMENT SOLUTIONS"' ������ THE ISOLATOR° ROW INTRODUCTION An important component of any Stormwater Pollution Prevention Plan is inspection and maintenance.The StormTech Isolator Row is a technique to inexpensively enhance Total Suspended Solids(TSS) - removal and provide easy access for inspection and maintenance. THE ISOLATOR ROW The Isolator Row is a row of StormTech chambers,either SC-160LP, SC-310,SC-310-3,SC-740, DC-780, MC-3500 or MC-4500 models, that is surrounded with filter fabric and connected to a closely located manhole for easy access.The fabric-wrapped chambers provide for Looking down the Isolator ge Row from the settling and filtration of sediment as storm water rises in the Isolator manhole opening,woven and stone b shown between the chamber and stone base. Row and ultimately passes through the filter fabric.The open bottom chambers and perforated sidewalls(SC-310,SC-310-3 and SC-740 models)allow storm water to flow both vertically and horizontally out of the chambers.Sediments are captured in the Isolator Row protecting the storage areas of the adjacent stone and chambers from sediment accumulation. Two different fabrics are used for the Isolator Row.A woven geotextile fabric is placed between the stone and the Isolator Row chambers. ., The tough geotextile provides a media for storm water filtration and 1 provides a durable surface for maintenance operations. It is also I designed to prevent scour of the underlying stone and remain intact during high pressure jetting.A non-woven fabric is placed over theIL chambers to provide a filter media for flows passing through the r perforations in the sidewall of the chamber.The non-woven fabric is not required over the SC-160LP, DC-780, MC-3500 or MC-4500 models as these chambers do not have perforated side walls. StormTech Isolator Row with The Isolator Row is typically designed to capture the"first flush"and Overflow Spillway(not to scale) offers the versatility to be sized on a volume basis or flow rate basis. OPTIONAL An upstream manhole not only provides access to the Isolator Row but PRE-TREATMENT typically includes a high flow weir such that storm water flowrates or volumes that exceed the capacity of the Isolator Row overtop the over Ste„o CH flow weir and discharge through a manifold to the other chambers. ROW The Isolator Row may also be part of a treatment train. By treating storm water prior to entry into the chamber system,the service life can MAN W°TM be extended and pollutants such as hydrocarbons can be captured. °"�,E' Pre-treatment best management practices can be as simple as deep sump catch basins,oil-water separators or can be innovative storm water treatment devices.The design of the treatment train and selection of pretreatment devices by the design engineer is often E0 HEADER driven by regulatory requirements.Whether pretreatment is used or not, the Isolator Row is recommended by StormTech as an effective means to minimize maintenance requirements and maintenance costs. Note. See the StormTech Design Manual for detailed information on designing inlets for a StormTech system, including the Isolator Row. OPTIONAL ACCESS STORMTECH CHAMBERS THE MOST ADVANCED i �- ISOLATOR ROW I SPEC-TION!MAINTENANCE INSPECTION The frequency of inspection and maintenance varies by location.A routine inspection schedule needs to be established for each individual location based upon site specific variables.The type of land use(i.e. industrial, commercial, residential),anticipated pollutant load, percent imperviousness, climate,etc.all play a critical role in determining the actual frequency of inspection and maintenance practices. At a minimum, StormTech recommends annual inspections. Initially, the Isolator Row should be inspected every 6 months for the first year ae of operation. For subsequent years,the inspection should be adjusted based upon previous observation of sediment deposition. The Isolator Row incorporates a combination of standard manhole(s)and strategically located inspection ports (as needed).The inspection ports allow for easy access to the system from the surface,eliminating the need to perform a confined space entry for inspection purposes. If upon visual inspection it is found that sediment has accumulated,a stadia rod should be inserted to determine the depth of sediment.When the average depth of sediment exceeds 3 inches throughout the length of the Isolator Row, clean-out should be performed. MAINTENANCE The Isolator Row was designed to reduce the cost of periodic maintenance. By"isolating"sediments to just one row,costs are dramatically reduced by eliminating the need to clean out each row of the entire storage bed. If inspection indicates the potential need for maintenance,access is provided via a manhole(s) located on the end(s)of the row for cleanout. If entry into the manhole is required, please follow local and OSHA rules for a confined space entries. Maintenance is accomplished with the JetVac process.The JetVac process utilizes a high pressure water nozzle to propel itself down the Isolator Row while scouring and suspending sediments.As the nozzle is retrieved,the captured pollutants are flushed back into the manhole for vacuuming. Most sewer and pipe maintenance companies have vacuum/JetVac combination vehicles. Selection of an appropriate JetVac nozzle will improve maintenance efficiency. Fixed nozzles designed for culverts or large diameter pipe cleaning are preferable. Rear facing jets with an effective spread of at least 45"are best. Most JetVac reels have 400 feet of hose allowing maintenance of an Isolator Row up to 50 chambers long.The JetVac process shall only be performed on StormTech Isolator Rows that have AASHTO class 1 woven geotextile(as specified by StormTech)over their angular base stone. StormTech Isolator Row(not to scale) Note:Non-woven fabric is only required over the inlet pipe connection into the end cap for SC-160LP,DC-780,MC-3500 and MC-4500 chamber models and is not required over the entire Isolator Row. SC-I40,SG31D,COVER ENTIRE ISOLATOR ROW WITH ADS OPTIONAL INSPECTION PORT GEOSYNTHETICS MIT NON-WOVEN GEOTE%ILE SC.I30:8'(2.4m)MIN WADE .{ v CL,L,tM.•`; SC W:5'(1.5 m)MIN MADE STORMTECH CHAMBER MGA500.MCCON DCTION TO END C COVER PIPE [t' CONNECTION TO END CAP WITH ADS E GEOSYNTHETIGS FAIT NON-WOVEN GEOTF%iiE .t •�.f� STORMTECH END CAP CATCH BASIN OR Q MANHOLE SUMP DEPTH TBD BY SITE DESIGN ENGINEER (24'IWO mmI MIN RECOMMENDED) TWO LAYERS OF ADS GEOSYNTHETICS 315WT WOVEN GEOTE TILE BETWEEN FOUNDATION STONE AND CHAMBERS,CONTINUOUS FABRIC WITHOUT SEAMS 24'(1-mm)HDPE ACCESS PIPE REQUIRED:MCA500,MC-3500,SGICD,DC-I00 10.3'(3.1 m)MIN WIDE:MC:M500 12'(3 HOPE ACCESS PIPE REQUIRED:SC3 '10 0.25'1 2.5 m)MIN WIDE:MG3500 0'(200 mmI HDPE ACCESS PIPE REQUIRED:SGI—P 5 11.5 ml MIN WID:DC-I00,SC I1. t.2 n!MIN J IUE SC-310.SC-150LP SOLATOR ROW STEP BY STEP MAINTENANCE PROCEDURES STEP 1 Inspect Isolator Row for sediment. A)Inspection ports(if present) i. Remove lid from floor box frame ii. Remove cap from inspection riser iii. Using a flashlight and stadia rod,measure depth of sediment and record results on maintenance log. iv. If sediment is at or above 3 inch depth, proceed to Step 2. If not,proceed to Step 3. 13)All Isolator Rows i. Remove cover from manhole at upstream end of Isolator Row ii. Using a flashlight, inspect down Isolator Row through outlet pipe 1. Mirrors on poles or cameras may be used to avoid a confined space entry 2. Follow OSHA regulations for confined space entry if entering manhole iii. If sediment is at or above the lower row of sidewall holes(approximately 3 inches),proceed to Step 2. If not,proceed to Step 3. STEP 2 Clean out Isolator Row using the JetVac process. A)A fixed floor cleaning nozzle with rear facing nozzle spread of 45 inches or more is preferable B)Apply multiple passes of JetVac until backflush water is clean C)Vacuum manhole sump as required STEP 3 Replace all caps, lids and covers, record observations and actions. STEP 4 Inspect&clean catch basins and manholes upstream of the StormTech system. 1)B) 2 I A) ZZ77T 17777777.....................7......... ��Z7 SAMPLE MAINTENANCE LOG I Stadia Rod Readincis Sediment Depth Date 1Inspector sedimen bottom(1) 3/16/11 6.3 fE KoKe New i►SEOROROK. Fixed poiKE Cs Cl frame aE DOM grade 9/24/11 6.2 0,1 f E Some SKE f elE SM 6/20/13 5.8 0.6 f E Mucky feet, debris visible i►+ ma►+hole oLKA i►+ Nd Isoto Eor Row, INaf►,Ee►,ahce Aue 7/7/13 1 6.3 f E o StIsEerA jeHeck aled vacµumed D3M ADS'Ter.s and Conditions of Sale*area%aflable on the ADS webste. -a- TheADS log.and the Green Stripe are registered tradernarks of Advanced Drainage:4 StormTdch DrainageAdvanced Exhibit "D" Stormwater Structural Maintenance CHECKLIST MINOR REPAIRS REPAIRS INSPECTION DATE REQUIRED MADE NOTES Catch basins and manholes upstream of the StormTech System MAJOR INSPECTIONS Structure type and Condition Isolator Row for Sediment STORMWATER FACILITY MAINTENANCE AGREEMENT 10 Rev.11/17/2016 J Q I— Z N Z O 4 C Z W O V 4 Z V O = F Q u! � m = O .0 G C O V 4) a 3 W O o N 0 o o a m 0 0 Q a� aD m cc w E U� Y/ O O W w N y '0H y U cc L Z+ N N c0 N •O to O OD O N w C w Q c N N O ccN p C N 3 O 0 30 ow O $ '° E _ p H 3 v n yd c `� aZi d N c N O y N fJ N y p•'� O E W 7 O N d G 0 p 0 i3 cc a� a� a 8 a m o c (D d O L V) p y L N O p N GOCD.LC LN C onyE $ cm) 300 d> Op wNN 2L w EmQ c > H E cc yy Cc3>- '�o aN? o E c E pp t '6 >>> O H N � W O n •p c0 O O E N O ` O E G• 7 C C N E C N c 8) OD W C _C d C w _ w c y N OD N O w 3 c �O y N N 7 'C 3 0 $ 2 -5- n� a`0i y d v w a p o g ca N 0- cc t3 --. 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