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HomeMy WebLinkAboutContract 61182Date Received: 3/27/2024 Permit No.: SWFMA-23-0061 Time Received: 11:29 a.m. City Secretary No.: 61182 STORMWATER FACILITY MAINTENANCE AGREEMENT THIS AGREEMENT, made and entered into this 27th day of March 2024 , by and between Chesser Boyer Venture, LP, a Delaware 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 J.C. McCommas Survey, Abstract 1047, Tarrant County, Texas according to the deed recorded in Document No. D224006947, 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 Chesser Bover Development, 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 Landowner, its successors and assigns, the location and dimensions of which is shown and STORMWATER FACILITY MAINTENANCE AGREEMENT OFFICIAL RECORD Rev. 03/01/2022 BN CITY SECRETARY FT. WORTH, TX 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 of inspection is to follow-up on reported deficiencies and/or to respond to STORMWATER FACILITY MAINTENANCE AGREEMENT 2 Rev. 03/01/2022 BN 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 THE CITY OF FORT WORTH, ITS AGENTS, SERVANTS AND STORMWATER FACILITY MAINTENANCE AGREEMENT 3 Rev. 03/01/2022 BN 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 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 owner's association. STORMWATER FACILITY MAINTENANCE AGREEMENT 4 Rev. 03/01/2022 BN Executed this 27th day of March CITY OF FORT WORTH bay B�rGcr7a� Dana Burghdoff (Ma 6, 2024'1 :13 CDT) Dana Burghdoff Assistant City Manager City of Fort Worth Date: Mar 26, 2024 Approved as to Form and Legality: Matthew Murray Senior Assistant City Attorney City Attorney's Office Date: Mar 25, 2024 STATE OF TEXAS § COUNTY OF TARRANT § 20 24 ATTEST: Jannette S. Goodall City Secretary Date: Mar 26, 2024 4044Ln� d � FORT �B dVo 8=4 o *� �aa� nEXAs4p� Contract Compliance Manager: By signing, I acknowledge that 1 am the person responsible for the monitoring and administration of this contract, including ensuring all performance and reporting requirements. -,,In Rebecca Owen (Mar 25, 202416:53 CDT) Rebecca Owen Planning Manager Date: Mar 25, 2024 This instrument was acknowledged before me on March 26th, 2024 by Dana Burghdoff, Assistant City Manager of the City of Fort Worth, on behalf of the City of Fort Worth. o�PFtYPBROOKE BONNELL z Notary Public , Or * STATE OF TEXAS (P P Notary I.D. 134009525 �OF My Comm. Exp. Oct. 11, 2026 Brooke BonneH (Mar 26, 2024 10:14 CDT) Notary Public, State of Texas OFFICIAL RECORD CITY SECRETARY FT. WORTH, TX STORMWATER FACILITY MAINTENANCE AGREEMENT 5 Rev. 03/01/2022 BN LANDOWNER CHESSER BOYER VENTURE, LP, a Delaware limited partnership By: Chesser Boyer Alliance JV GP, LLC, a Delaware limited liability company, its General Partner By: Chesser Boyer Alliance, LP, a Delaware limited partnership, its sole member By: Chesser Boyer Alliance GP, LLC, a Dtame: 2Pa ' ' , its By: Title: Vice President Date: �� 2—r;1'2 STATE OF tWlS § COUNTY OF ft& n I S § BEFORE ME, the undersigned authority, a Notary Public in and for the State of 7meq S , on this day personally appeared Chad Parrish, Vice President, 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 act and deed of Chesser Boyer Venture, LP, a Delaware limited partnership, and in the capacity therein stated. GGIVEN UNDER MY HAND AND SEAL OF OFFICE this of I' rry1 , 20 III 1 Notary qc,Tofj oc?t`�' Megan Nichole Azinger x• My Commission Expires 0610912025 ~af ID No. 133148351 25-kt day STORMWATER FACILITY MAINTENANCE AGREEMENT 6 Rev. 03/01/2022 BN EXHIBIT "A" INSERT LEGAL DESCRIPTION STORMWATER FACILITY MAINTENANCE AGREEMENT Rev. 03/01/2022 BN DESCRIPTION OF A 1.486-ACRE (64,732 SQ. FT.) TRACT OF LAND SITUATED IN THE J.C. MCCOMMAS SURVEY, A-1047, TARRANT COUNTY, TEXAS Being a description of a 1.486-acre (64,732 square foot) tract of land situated in the J.C. McCommas Survey, A-1047, Tarrant County, Texas. Said 1.486-acre tract being out of Lot 2 Block 1 of Commercial Metals Addition, by plat recorded in Cabinet A, Slide 3440 of the Tarrant County Map Records, Texas (hereinafter T.C.M.R.), and being further described by metes and bounds as follows with the basis of bearings being the Texas State Plane Coordinate System, North Central Zone No. 4202, NAD 83 (2011) epoch 2010.00, all coordinates shown hereon are grid coordinates and may be converted to surface by multiplying by the combined scale factor of 1.000142151. All distances are surface: COMMENCING (N=6,978,239.58, E=2,337,317.96) at a 1 1/2-inch iron pipe found in the south line of Justin Boot Company Addition, by plat recorded in Volume 388-214, Page 65 of the T.C.P.R., in the northwest line of North Riverside Estates, by plat recorded in Volume 388-R, Page 47 of the T.C.P.R. and for the northeast corner of said Lot 2; THENCE South 89 deg. 37 min. 08 sec. West, with the south line of said Justin Boot Company Addition and with the north line of said Lot 2, a distance of 182.29 feet to a point for the beginning of a curve to the right and being the POINT OF BEGINNING (N=6,978,238.36, E=2,337,135.47) of said tract herein described; THENCE in a southeasterly direction, over and across said Lot 2 and along said curve to the right, having a radius of 45.00 feet, a central angle of 67 deg. 44 min. 40 sec., a chord bearing South 56 deg. 30 min. 32 sec. East, a chord distance of 50.16 feet and an arc length of 53.21 feet to a point for an interior corner of said tract herein described; THENCE North 79 deg. 15 min. 11 sec. East, over and across said Lot 2, a distance of 104.43 feet to an angle point of said tract herein described; THENCE South 45 deg. 28 min. 05 sec. West, over and across said Lot 2, a distance of 26.97 feet to an angle point of said tract herein described; THENCE South 79 deg. 15 min. 11 sec. West, over and across said Lot 2, a distance of 81.41 feet to an angle point of said tract herein described and for the beginning of a curve to the right; THENCE in a southwesterly direction, over and across Lot 2 and along said curve to the right, having a radius of 45.00 feet, a central angle of 48 deg. 54 min. 04 sec., a chord bearing South 21 deg. 01 min. 03 sec. West, a chord distance of 37.25 feet and an arc length of 38.41 feet to an angle point of said tract herein described; THENCE South 45 deg. 28 min. 05 sec. West, over and across said Lot 2, a distance of 376.44 feet to an angle point of said tract herein described and for the beginning of a curve to the right; THENCE in a southwesterly direction, over and across Lot 2 and along said curve to the right, having a radius of 50.00 feet, a central angle of 68 deg. 02 min. 44 sec., a chord bearing South 79 deg. 29 min. 27 sec. West, a chord distance of 55.95 feet and an arc length of 59.38 feet to an angle point of said tract herein described; THENCE South 65 deg. 28 min. 05 sec. West, over and across said Lot 2, a distance of 13.72 feet to an angle point of said tract herein described and for the beginning of a curve to the left; THENCE in a northwesterly direction, over and across said Lot 2 and along said curve to the left, having a radius of 55.50 feet, a central angle of 10 deg. 22 min. 49 sec., a chord bearing North 19 deg. 20 min. 30 sec. West, a chord distance of 10.04 feet and an arc length of 10.05 feet to an angle point of said tract herein described; THENCE North 65 deg. 28 min. 05 sec. East, over and across said Lot 2, a distance of 5.83 feet to a point for an interior corner of said tract herein described and for the beginning of a curve to the right; THENCE in a northwesterly direction, over and across said Lot 2 and along said curve to the right, having a radius of 50.00 feet, a central angle of 27 deg. 56 min. 22 sec., a chord bearing North 38 deg. 30 min. 06 sec. West, a chord distance of 24.14 feet and an arc length of 24.38 feet to an angle point of said tract herein described; THENCE North 24 deg. 31 min. 55 sec. West, over and across said Lot 2, a distance of 50.63 feet to an angle point of said tract herein described and for the beginning of a curve to the right; THENCE in a northeasterly direction, over and across Lot 2 and along said curve to the right, having a radius of 50.00 feet, a central angle of 70 deg. 00 min. 00 sec., a chord bearing North 10 deg. 28 min. 05 sec. East, a chord distance of 57.36 feet and an arc length of 61.09 feet to an angle point of said tract herein described; THENCE North 45 deg. 28 min. 05 sec. East, over and across said Lot 2, a distance of 297.78 feet to an angle point of said tract herein described and for the beginning of a curve to the right; THENCE in a northeasterly direction, over and across said Lot 2 and along said curve to the right, having a radius of 49.73 feet, a central angle of 44 deg. 24 min. 14 sec., a chord bearing North 67 deg. 32 min. 37 sec. East, a chord distance of 37.58 feet and an arc length of 38.54 feet to an angle point of said tract herein described; THENCE North 89 deg. 37 min. 08 sec. East, with the south line of said Justin Boot Company Addition and with the north line of said Lot 2, a distance of 80.64 feet to the POINT OF BEGINNING and containing 1.486 acres (64,732 square feet) of land. This description is accompanied by a survey of even survey date. Compiled by: Weisser Engineering & Surveying 19500 Park Row Houston, Texas 77084 TBPLS Reg. No. 10194324 TBPE Reg. No.: F-68 Job No. IA100 Date: 07/ 11 /2023 Revised: 03/20/2024 E 4F % .............................. WALTER P. SASS 0 4410 P t� �FESS�0 20' WIDE PIPELINE EASEMENT CABINET A, SLIDE 3440 P. R. T. C. 20' WIDE PIPELINE EASEMENT THE TEXAS PIPE LINE COMPANY VOL. 2003, PG. 186 O. P. R. R. P. T. C. 1-1 LOT 1 R1 & 1 R2 IN. NO. D219152157 7.5' WIDE UTILITY EASEMENT REPLAT OF CABINET A, SLIDE 3440 P.R.T.C. LOT 1, BLOCK 1 JUSTIN BOOT COMPANY ADDITION FIND . 1" I.P. (CM) VOL. 388-214, PG. 65 N=6,978,234.24 T.C.P.R. P.O.B. E=2,336,515.68 N=6,978,238.36 E=2,337,135.47' BASIS OF BEARINGS: TEXAS STATE PLANE COORDINATE SYSTEM, NORTH CENTRAL ZONE No. 4202 NAD 83 (2011) EPOCH 2010.00. THE COORDINATES SHOWN HEREON ARE GRID COORDINATES AND MAY BE BROUGHT TO SURFACE BY MULTIPLYING BY THE COMBINED SCALE FACTOR OF 1.000142151. ALL DISTANCES ARE HORIZONTAL GROUND SURFACE DISTANCES IN U.S. SURVEY FEET. -' ONOTE: P �� P.0.C. AN EASEMENT DESCRIPTION OF EVEN DATE FIND. 11/2"I.P. (CM) WAS PREPARED IN CONJUNCTION WITH THIS N:+'N PROPOSED DRAINAGE o� EASEMENT N=6,978,239.58 EASEMENT EXHIBIT, 1.486 ACRES / E=2,337,317.96 (64,732 SO. FT.) NOTE: THIS EASEMENT EXHIBIT WAS PERFORMED WITHOUT JOB' THE BENEFIT OF A CURRENT TITLE COMMITMENT. COMMERCIAL METALS / ALL ENCUMBRANCES MAY NOT BE SHOWN. ADDITION CABINET A, SLIDE 3440 5' WIDE DRAINAGE EASEMENT /\ CITY OF FORT WORTH / A`J 0' �NN9 �J 7.5' WIDE UTILITY EASEMENT CABINET A, SLIDE 3440 P. R. T. C. LOT 2, BLOCK 1 CONDEMNATION CAUSE NO. 63712 T.C.P.R. Q$ CABINET A, SLIDE 3440 T. C. M. R. 30' WIDE PERMANENT EASEMENT 1.1191—ACRES TEXAS MIDSTREAM GAS SERVICES, L.L.C. T.C.C.F. No. D209079505 O. P. R. R. P. T. C. CHESSER BOYER ROAD (60' R.O.W.) —COMMERCIAL METALS ADDITION CABINET A, SLIDE 3440 LOTI,BLOCK1 T.C.M.R. \ST ST /�v(1 ��•°E°• F I� WALTER P... °°SASS 4410 0 WALTER P. SASS REGISTERED PROFESSIONAL LAND SURVEYOR STATE OF TEXAS, No. 4410 REVISE EASEMENT CONFIGURATION I T.F. 1 03/20/24 REV. I DESCRIPTION BY I DATE PARENT TRACT INSET © Copyright 2023 Weisser Engineering & Surveying WEISSER PROPOSED DRAINAGE EASEMENT DRAWN BY: Engineering & Surveying J.C. MCCOMMAS SURVEY, A-1047 E.B. NO: 19500 Pork Row I Houston, T.B.PTS. Reg. 94 T.fi.P.E. Reg. No. PL6 T.B.P.I.S. 281 Reg. No. 10194324 No TARRANT COUNTY TEXAS GREW CHIEF www.weissereng.com 1281.579.7300 .� T.E.B. CALC'D. BY: CHECKED BY: J.G. SCALE: N.T.S. S.P. SHEET 01 = 02 DATE: 07/11 /2023 JOB No.: IA100 J.C. MCCOMMAS SURVEY, A-1047 Line Table LOT 1 R1 & 1 R2 Line # Length Direction IN. NO. D219152157 REPLAT OF L1 182.52' S89° 37' 08"W P.O.B.L2 104.43' 11 15' 11 "E JUSTIN BOOT COMPANY ADDITION VOL. 388-214, PG. 65 N=6, 978,238.36 C 1 P . 0. C. L3 26.97' S45° 28' 05"W T.C.P.R. E=2,337,135.47 - FND. 1 1/2" I.P. (CM) 7.5' WIDE UTILITY EASEMENT [12 N=6,978,239.58 L4 81.41' S79° 15' 11"W CABINET A, SLIDE 3440 L 1 0 E=2,337,317.96 L5 376.44' S45° 28' 05"W P.R.T.C. C 7 �� L 1 L6 13.72' S65° 28' 05"W L 7 L7 5.83' N65° 28' 05"E PROPOSED DRAINAGE EASEMENT `� - J 1.486 ACRES L4 15' WIDE DRAINAGE L8 50.63' N24° 31' 55"W (64,732 SQ. FT.) / �' V EASEMENT CITY OF FORT WORTH Lg 297.78' N45' 28' 05"E i CONDEMNATION CAUSE COMMERCIAL METALS �/ / N0. 63712 L10 80.64' N89° 37' 08"E ADDITION CABINET A, SLIDE 3440 N CABINET A, SLIDE 3440 T.C.M.R. LOT 2, BLOCK 1/ I Curve Table T.C.P.R. / Curve # Length Radius Delta Chord Bearing Chord Distance o N / 7 o � / I C1 53.21' 45.00' 67° 44' 40" S56° 30' 32"E 50.16' x C2 38.41' 45.00' 48° 54' 04" S21 ° 01' 03"W 37.25' / I C3 59.38' 50.00' 68° 02' 44" S79' 29' 27"W 55.95' LI C4 10.05' 55.50' 10° 22' 49" 1120' 30"W 10.04' 8 w C5 24.38' 50.00' 27° 56' 22" 11 30' 06"W 24.14' C 5 / 30' WIDE PERMANENT L7 EASEMENT I C6 61.09' 50.00' 70° 00' 00" 11 28' 05"E 57.36' w 1.1191-ACRES C 4 / TEXAS MIDSTREAM GAS I C7 38.54' 49.73' 44° 24' 14" 11 32' 37"E 37.58' SERVICES, L.L.C. L6 T.C.C.F. No. D209079505 1. REVISE EASEMENT CONFIGURATION T.F. 03/20/24 0.P.R.R.P.T.C. o ' �� REV. DESCRIPTION BY I DATE 1342-ACRE PROPOSED C)Copyright 2023 Weisser Engineering & Surveying WEISSER DRAINAGE EASEMENT DRAWN BY: T.E.B. CALC'°. BY: J. G. SCALE: 1" = 100' Engineering & 0 Surveying J.C. MCCOMMAS SURVEY, A-1047 E.B. N°: CHECKED BY S P. SHEET o2 OF o2 Q 19500 P.E.Re Row Houston, ITBPLS.Reg7064 TARRANT COUNTY, TEXAS Z T.B.P.E.Regseren .corm .1 281. 79.7310194324 CREW CHIEF: OATS: 07/11 /202J SOB No.: IA100 www.weissereng.com 1281.579.7300 EXHIBIT "B" DESIGN PLAN AND SPECIFICATIONS STORMWATER FACILITY MAINTENANCE AGREEMENT Rev. 03/01/2022 BN Inlet D-CB1 C-CB2 B D-CB3 D-CB4 D-CB5 D-CB6 D-CB7 D-CBS CB9 EX. OFFSITE CB9 CB10 CB11 CCB14 CCB15 CCB16 CCB17 CCB18 CCB19 D-CB20 DETENTION POND DRAINAGE AREA 21 ( BYPASSES DETENTION POND) C 0 Proposed Drainage Areas Area(ac) C i_3(in/hr) 0_3(CFS) i_5(i n/hr)]Q_5(CFS) i_30(in/hr) Q_10(CFS) i_100(i n/hr) Q_100(CFS) Tc(min) 1.77 0.87 4.06 6.25 5.7,1 8.84 6.51 10.02 9.24 14.23 10 1.29 0.89 4.06 4.66 5.711 6.59 6.51 7.47 9.24 10.61 10 1.30 0.89 4.06 4.70 5.7� 6.64 6.51 7.53 9.24 10.69 10 1.96 0.86 4.06 6.84 5.7� 9.68 6.51 10.97 9.24 15.57 10 1.85 0.86 4.06 6.46 5.74 9.13 6.51 10.36 9.24 14.70 10 1.52 0.85 4.06 5.25 5.74 7.42 6.51 8.41 9.24 11.94 10 2.06 0.81 4.06 6.77 5.74 9.58 6.51 10.86 9.24 15.42 10 1.51 0.78 4.06 4.78 5.74 6.76 6.51 7.67 9.24 10.88 10 0.75 0.70 4.06 2.13 5.74 3.01 6.51 3.42 9.24 4.85 10 0.14 0.56 4.06 0.32 5.74- 0.45 6.51 0.51 9.24 0.72 10 0.23 0.90 4.06 0.84 5.74 1.19 6.51 1.35 9.24 1.91 10 0.35 0.90 4.06 1.28 5.74 1.81 6.51 2.05 9.24 2.91 10 0.75 0.83 4.06 2.53 5.74 3.57 6.51 4.05 9.24 5.75 10 0.08 0.83 4.06 0.27 5.74 0.38 6.51 0.43 9.24 0.61 10 0.50 0.83 4.06 1.68 5.74 2.38 6.51 2.70 9.24 3.83 10 0.33 0.90 4.06 1.21 5.74 1.70 6.51 1.93 9.24 2.74 10 0.36 0.90 4.06 1.32 5.74 1.86 6.51 2.11 9.24 2.99 10 0.25 0.90 4.06 0.91 5.74 1.29 6.51 1.46 9.24 2.08 10 1.48 0.85 4.06 5.11 5.74 7.22 6.51 8.19 9.24 11.62 10 1.34 0.90 4.06 4.90 5.74 6.92 6.51 7.85 9.24 11.14 10 2.65 0.30 2.40 1.90 3.67 2.92 4.19 3.33 6.18 4.92 26.16 LANGAN Project Langan Engineering and CHESSER BOYER Environmental Services, te1Inc. DEVELOPMENT 8951 Cypress Waters Blvd, Suite 150 Dallas, TX 75019 T: 817.328.3200 www.langan.com FORT WORTH TBPE FIRM REG. #F-13709 TA RFA NT TFJS 4 Z 4 J 250 I0 125 250 SCALE: 1 INCH = 250 FEET Drawing Title Project No. Drawing No. EXHIBIT B Date 520042001 DELINEATION Drawn BAD7 EX-D MAP "� Ch k d B I ec e y BS D 2 PROPOSED DRAINAGE EASEMENT, TYP. (PRIVATE EASEMENT) SWFMA BOUNDARY ` TBK OF POND, TYP. r H / 15 g4 g3 2 5 — 59 y9 593 592 f-- 15911 { 590 y 589' g8 3 PROPOSED PRIVATE OUTFALL CONTROL STRUCTURE GR: 588.50 I N V.OU T: 580.21 INV.15.48" ORIF:580.21 INVA1.28" ORIF:585.05 i y �0 5 587 ; 15861 I 1:1 ►tAV j585; {584t > {58. 1 :L82 PROPOSED 6—FT WIDE LOW FLOW \ 1.0%, TYP.\ CON'.RETE PILOT CHANNEL 1 (( TOE OF PROPOSES DETENTION BASIN POND,\ TYP. 1.0%, TYP. % 1.13 t AC 45 581 ' — :58: 1 15861 15851' 3.1 hi�)( 4 589 15881 1587 \� f 589 10--FT MAINTENANCE BERM, TYP. �—'GRAVEL 4 5 60 0 20 40 60 SCALE: 1 INCH = 60 FEET ISO - �Ai �F ♦ 589 _5881 y 588 114 10', TYP. 11 15' ��� �� F+�t--Ids►- .`1 �� I--�-��� �2i�9 EXISTING 60—F- WIDE PERMANENT EASEMENT TEXAS MIDSTREAM GAS SERVICES, L.L.C. EXISTING 15—FT WIIgE PUBLI�vPRAINAGE EASEMENT "E" Inlet I 36`'QS Rim El. = 587.96' 24" PROPOSED 97.00' WIDE RIP RAP EMERGENCY SPILLWA— ® ELE. 588.11 LANGAN Langan Engineering and Environmental Services, Inc. 8951 Cypress Waters Blvd, Suite 150 Dallas, TX 75019 Project CHESSER BOYER DEVELOPMENT T: 817.328.3200 www.langan.com FORT WORTH TBPE FIRM REG. #F-13709 TA RFA NT 0 0 N It 0 0 N N O Z O 0- _... vet E" Rim EI. = 6.66' Storm Manhole PROPOSED PUBLIC STORM MHS Rim El. = 586.71' INTERNAL OUTFALL STRUCTURE (NE) = 560.7' 36" R.C.P. RIM:586.45 (SW) = 579.65' INV.I V (30"W): 579.87 INV.IN (36"SW):579.87 INV.OUT (36"W):579.87 Drawing Title Pro!ec'. No. (Drawing No. EXHIBIT B ����V2001 Date � POND Drawn --y 3 EX—G J GRADING 'By N c) Checked N TFW BS Q e C D 2 4 Z STA 0+00 — PROPOSED PRIVATE—, � J OUTLET CONTROL STRUCTURE GR: 588.50 INV. OUT: 580.21 (INV. 15.48" ORIF: 580.21) (INV. 11.58" ORIF: 585.05) SEE DETAIL 1 ON SHEET CA102 PRIVATE I 60 0 20 40 60 (CHESSER `— BOYER PUBLIC VENTURE LP) SCALE: 1 INCH = 60 FEET W590 EXISTING GRADE I 590 W W — — W �� 0 Z Z 0 0 0 ' aii aaiaia• icAlray Q 47 LF 30" RCP ® 0.23% %¢an Q N N Z W W �: ..,,� „�,, i LJJ W O �,,, � CL PROPOSED GRADE I ISTA 1+46.57 — PROPOSED PUBLIC MH5 Q JB DISTANCE (FEET) 0 100 175R RIM: 586.45 EXISTING ELEV (FEET) 588.4 587.7 587.9 INV. IN (30" W): 579.87 INV. IN (36" NE): 579.87 PROPOSED ELEV (FEET) 580.21 588.29 INV. OUT (36" NE): 579.87 DRAINAGE PROFILE Project Drawing t e Pro ec' No. Drawing No. LANGAN CHESSER BOYER Langan Engineering and 524042001 D ate p� Environmental Services, Inc. DEVELOPMENT OUTFALL 07/07=23 EX—X to J 8951 Cypress Waters Blvd, Suite 150 Dallas, TX Drawr PROFILE N 75019 MP N T:817.328.3200 www.langan.com FORT WORTH TBPE FIRM REG. #F-13709 Checked y BS N TA RRA NT TFW Q 2 4 EXISTING GRADE P -1 LLJ 1.14-FT FREEBOARD LD LLI 111 590 __ram - _ - - 590 � '� Q Z - 100 YR. WSE 588.11 Z O O Q� 100 0 50 100 580 580 > W W SCALE IN FEET J PROPOSED CONC. PROPOSED GRADE J W PILOT CHANCEL W DISTANCE (FEET) 0 100 200 EXISTING ELEV (FEET) 588.7 589.3 589.8 590.0 PROPOSED ELEV (FEET) 581.65 581.53 591.31 0 POND CROSS SECTION YY' 0 0 N EXISTING GRADE Ln W 1.14-FT FREEBOARD W Z LL LL LLJ 590---___--__-- 590 L v----------------------- ---------------- - Z - 100 YR. WSE 588.11 Z I O2 PROPOSED GRADE O 580 11 580 ,r W W J J W W DISTANCE (FEET) 0 100 200 300 400 500 600 EXISTING ELEV (FEET) 589.7 589.5 589.5 589.5 589.5 589.4 589.2 588.9 588.9 588.7 589.0 PROPOSED ELEV (FEET) 593.38 590.07 581.77 581.70 581.63 581.56 581.49 581.27 580.98 580.35 589.21 POND CROSS SECTION XX' LANGAN Project Drawing Title Pro ec No. Drawing No. CHESSER BOYER 524042001 Langan Engineering and EXHIBIT B Date pt Environmental Services, Inc. 8951 Cypress Waters Blvd, Suite 150 DEVELOPMENT POND CROSS Drawn'-'y EX-C J Dallas, TX 75019 ► P N SECTIONS " T:817.328.3200 www.langan.com FORT WORTH Checke 3y N TBPE FIRM REG.#F-13709 TARFANT TfYAS BS Q 2 B 30' RCA WTLEi PIPE Ift 5110.21 F —AL NOTES 1. iifiLL THICIOIESS DIMENSION AND ALL RONFORCING BARS NOT INDICATED CONFORM TO THOW INDICATED ON CATCH BASIN DETAILS. 2. ALL ANCHOR BOLTS NUTS. AND WASHERS TO M GALVANIZED. 3. CWCREfE SMALL BE 4.000 — 4. FOR ALL RK SIZES AND LL ATONS. SEE MADRID AND DRAINAGE DRAWING ME 0G2O1. 5. MANE AND GRAM CAIAPES.I. FWNDRY CO. N.. M24 OR APMOWD EQUIV. 4 C A A '--MM ! M �M MINUME AND GRATE DEBRIS PLATE AND CAGE ADO STEPS 508118 (REFER TO DETAIL) O.C. 1 IN QKT04 BASIN OVER 4' IN DO' IRATE a- — GRATE 11 511,11,10 Lu- AND CAGE 11.5ir DUL. ORFICE •• 1N%ft 5OL05 -4. D 50' REP OUTLET PIPE RCP ou RK aiii A I BASIN BOTTOM Ift 550.21 5.48- MR r all" INY WO.21 07 -";gAL I IC I GRA11L SECTON A A O OUTLET CONTROL STRUCTURE NTS Project Drawing Title Project No. LANGAN CHESSER BOYER EXHIBIT B 520042001 Date Langan Engineering and Environmental Services, Inc. DEVELOPMENT OUTFALL 0710MIM 8951 Cypress Waters Blvd, Suite 150 Drawn By Dallas, TX 75019 STRUCTURE DETAILS MID T: 817.328.3200 "1 langan.com FORT WORTH Checked By TBPE FIRM REG. #F-13709 TAPFANT T[YAS BS Drawing No. EX-0 2 3 4 EMERGENCY SPILLWAY Design Criteria: 100% of the 100-year storm must pass assuming outlet control structure B is completely blocked. Peak inflow into the basin during 100% of 100-year storm is 1.0 x Q,eo = 154.06 (cfs) The width of the spillway is set at 97.0 ft Consider the emergency spillway as a broad crested weir. Then, Q=3.1BH' where Q = flow rate through spillway, cfs H = weir height, ft B = bottom of spillway width 97.0 ft Side slopes = 4:1 589.25 Solving for H, H = (Q / 3.1 B)� 106.12' 197.00' C Substituting and solving for H yields a height of 0.64 ft tO.50* Average Velocity V = Q/A = Q/(B+4H)H = 2.42 ft/sec0.64'Allowable velocity for soil type Clay is 4.00 ft/sec Actual velocity during 1.5 x 100-year emergency spillway discharge is 2.42 OK 4:1 MAX SIDE SLOPES, TYP. RIP RAP NCY SPILLWAY WSE 588.15 DETENTION POND 100—YR WSE: 588.11 C EMERGENCY SPILLWAY NTS D Chesser Boyer Development IBY ADM DATE 7/5/2023 LJEET ONO. 520042001 mergency Detention Basin ESpillway 1 OF 1 EMERGENCY SPILLWAY NOTE: TOP OF POND ELEVATION 589.25 EMERGENCY SPILLWAY ELEVATION 588.11 EMERGENCY SPILLWAY WSE 588.75 DETENTION POND 100—YR WSE 588.11 FREEBOARD FROM SPILLWAY TO TOP OF POND = 0.50' FREEBOARD FROM DETENTION POND100—YR WSE TO TOP OF POND = 1.14' LANGAN Project CH ESSER BOYER Langan Engineering and Environmental DEVELOPMENT Blvd, S, to 1 8951 Cypress Waters Blvd, Suite 150 Waters Dallas, TX 75019 T: 817.328.3200 www.langan.com FORT WORTH TBPE FIRM REG. #F-13709 TARRANT Drawing Title Project No. (Drawing No. 52DD420D, m EXHIBIT B Date EMERGENCY Drawn BAD73 EX —ES J IMIP SPILLWAY DETAILS Checked By N TEXAS BS CA B C D 2 3 4 THE INPUTTED TIME OF CONCENTRATION DOES NOT REFLECT THE ACTUAL TIME OF CONCENTRATION. THE INPUTTED TIME OF CONCENTRATION IS FOR CALCULATING THE REQUIRED DETENTION POND VOLUME BASED ON county Tarrant THE ACTUAL Q BEING RELEASED FROM THE DETENTION POND. Area gl�g14 Acres Area 19,84 Acres rime.f c.n.etration i,1 IMin. Timeofconcetration 10 Min. YEAR EVENT QAILow ELEVATION PROVIDED STORAGE 1Year Runoff z CFS IYear Runoff 67.67 ICF5 5 Year Runoff 11.52 ICFS 5Year Runoff 1 95.71 ICES lyrs = 7.12 CPS 584.11 80986 CF 100 Year Runoff I 20.39 ICFS SOD Year Runoff 1 154.06 ICF5 5yrs = 11.52 CPS 585.56 132112 CF argil 7.32 ICFS 43.6:1,d=8 10OVrs= 20.39CPS 588.11 237344CF Q., ss: 1152 ICFS ITall,5.15:TarranlIForlVrReturnPeriod:e=0.8217,b County Rainfall ForSVr Return Periotl:e=0.8142,b=71.154,d=12 0 woK l 20.39 ICF5 Data ForlWYr Return Period:e=0.7798, b=110.202,d=14 Tds= 64.20 Min. Forl Yr Return Period:a=95.84, b=13.43 Tds =l 76.56 Min. Table 1.18 Rainfall ForSVr Return Period:a=170.S1,b=19.44 Tdtoo= 88.92 Min. Factors For100YrReturn Period: a=322.07,b=24.39 Pros= 1.39 In. Ptpt= 1.71 tin. Pms=l 2.39. Prays=l 2.95 lin. Pm�= 4.40 in. P--=l 5.44 lin. Vv,a,m,-"=l 63414.19 ICu.Ft V-.s=l 60965.93 Cu.Ft Vvnu,m,re1= 106327.99 CuTt Vu„4=l 132112.05 Ft IC yarenmo.Maa= 192215.20 'Cu.Ft Vm®wo= 23I 7344.28 Cu.Ft 1.5.2 Design Equations O The design of detention using the Modified Rational Method is presented as a non-denmve approach suitable for spreadsheet calculation (Debo 8 Reese, 2003). N The albwable release rate can be determined from: Q. = C. t A (1.26) 0 where_ N Q. = albwable release rate (cfs) C. = predevelopment Rational McNod runoff coefficient = rainfall intensity for the corresponding time of concentration (Will-in A = area (acres) Q The critical duration of storm, the time value to deterin me rainfstoragee is all intensity, at which the volum Z maxarmed, 2CAab (1.27) U e = b l) O where: T. = critical storm duration (min) i Q. = allowable release rate (cfs) C = developed condition Rational Method runoff coefficient A =area (aces) a, b = rainfall factors dependent on location and return period taken from Table 1,18 The required storage volume, in cubic feet can be obtained from the equations below: Va.a.. -60(CAa-(2CabAQ.)'r.(Q.12)(b-t Jl (1.28a) V,.„ = Vau..a,.n.' PtadPrd (1.28b) where' V_ = preliminary required storage (to) .,., V�r required storage (f) t. = time of ......nation for the developed condition (min) Pr® = 3-hour(180-minute),A.-depth(in) Pm = storm depth for the critical duration (in) all other variables are as defined above The equations above include me use of an adjustment factor to the calculated storage volume to account for under sizing. The factor (P­/Pm) is the ratio of the 3-hour stoma depth for the return frequency divided by the rainfall depth for the critical duration calculated in Equation 1.27. Disclaimer: This spreadsheet tool has been prepared to quirt the applicant in preparing calculations for small saes in accordance with the City of F.rtWarth Criterial Manual(.. section 3.4.1.ofthe iSWM Criteria Manual regarding limitations on use ofth. Modified Rational Method) The appl-rtis responsiblefor ensuringthat submitted mlculations are correct. Project Drawing Title Project No. Craving No. LANGAN 520oa2001 Langan Engineering and CHESSER BOYER EXHIBIT B Date @ m Environmental1Cyresstas DEVELOPMENT POND DESIGN 07AD7aW EX 1 (a Blvd, Suite 1 8951 Cypress Waters Blvd, Suite 150 Drawn By -DC -J Dallas, TX75019 CALCULATIONS "' N N T: 817.328.3200 www.langan.com FORT WORTH Checked By y N TBPE FIRM REG. #F-13709 TA RFA NT TFJJS BS Q B C C 1 12 3 4 Pond Report 16 Detention Pond Hydra6ow Hydrographs Extension for AutodeskO Civil 3D® by Autodesk, Inc. v2022 Wednesday, 08131 / 2022 Stage / Storage / Discharge Table Pond No.1 - Detention Pond Stage Storage Elevation Clv A Clv B Clv C Pond Data ft cuft ft cfs is cfs Contours -User-defined contour areas. Average end area method used for volume calculation. Begining Elevation = 580.21 It 2.99 52,351 583.20 3.67 is 0.00 - 3.09 55,458 583.30 4.19 is 0.00 - Stage /Storage Table 3.19 3.29 61,670 583.50 5.08 is 0.00 - Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cuft) Total storage (cuft) 3.39 64,776 583.60 5.47 is 0.00 3.49 67,882 583.70 5.83 is 0.00 -- 0.00 580.21 00 0 0 3.59 70,988 583.80 6.17 is 0.00 0.79 581.00 5,303 2095, 2,095 3.69 74,095 583.90 6.49 is 0.00 - 1.79 582.00 26,614 15,958 18,053 3.79 77,201 584.00 6.80 is 0.00 - 2.79 583.00 29,558 28,086 46,139 3.89 80,611 584.10 7.09 is 0.00 - 3.79 584.00 32,565 31,062 77,201 3.99 84,021 584.20 7.38 is 0.00 - 4.79 585.00 35,634 34,100 111,300 4.09 87,431 584.30 7.65 is 0.00 - 5.79 586.00 38,765 37,200 148,500 4.19 90,841 584.40 7.91 is 0.00 - 6.79 587.00 41,958 40,362 188861 4.29 94,250 584.50 8.17 is 0.00 - 7.79 588.00 45,214 43,586 232:447 4.39 97,660 584.60 8.41 is 0.00 - 8.04 588.25 46,038 11,407 243854 4.49 101070 584.70 8.65 is 0.00 - 9.04 589.25 49,372 47,705 291:559 4.59 104:480 584.80 8.89 is 0.00 4.69 107890 584.90 9.11 is 0.00 - Culvert I Orifice Structures Weir Structures 4.79 111:300 585,00 9.34 is 0.00 4.89 1151020 585,10 9.55c 0.01 is - A B C PrfRsr A B C D 4.99 118,740 58520 9.76 is 0.10 is 5.09 122:460 585.30 9.97 is 0.26 is - Rise (in) = 15.48 11.58 0.00 0.00 Crest Len (ft) = 0.00 0.00 0.00 0.00 5.19 126,180 58540 10A8 is 0.49 is - Span (in) = 15.48 11.58 0.00 0.00 Crest EL (ft) = 588.11 0.00 0.00 0.00 5.29 5.39 ,620 0 133,1 58550 58560 10.37 is 10.57 is . is 1 .1111 is No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 3.33 3.33 3.33 5.49 137,340 585.70 10.76 is 1.46 is - Invert El. (ft) = 580.21 585.05 0.00 0.00 Weir Type = Rect - - - 5.59 141,060 585,80 10.95 is 1.03 is - Length In) = 1.00 1.00 0.00 0.00 Multistage = No No No No 5.69 144780 585.90 11.14 is 2.18 is - Slope (%) = 0.05 Slope 0.00 0.00 Na 5.79 148:500 152,536 586.00 586.10 11.32 is 11.50 is 2.46 is 1.38 oc - N-Value = .013 .013 .013 Na 5.99 156,572 586.20 11.67 is 2.04 oc - Orifice Coeff. = 0.61 0.61 0.60 0.60 Exfil.(in/hr) = 0.000 (by Wet area) 6.09 160608 586.30 11.85 is 2.53 oc - Multi -Stage = Na No No No TW Elev. (ft) = 582.87 6.19 164:644 586.40 12.02 is 2.94 oc - 6.29 168,681 586.50 12.19 is 3.30 oc Note: CUIveNOnfice outflows are analyeetl under,nlet(,c)antl outlet(¢)cantml.We,rnxnchecketlforonfice wntlNom pc)antl submeryence (s). 6.39 172,717 586.60 12.35 is 3.63oc - Stage / Storage / Discharge Table 6.49 176,753 58670 12.52 Ic 3.87 is - 6.59 180,789 586,80 12.68 is 4.03 is Stage Storage Elevation CIvA CIvB CIvC PrfRsr WrA WrB WrC WrD BAN User Total 6.69 184825 586.90 12.84 is 4.19 is - ft cuft ft cfs cfs cfs cfs cfs cfs cfs cfs cfs cfs cfs 6.79 188:861 587.DO 13.00 is 4.34 is 6.89 193220 587.10 13.16 is 4.48 is - 0.00 0 580.21 0.00 0.00 - - -- -- - -- -- -- 0.000 6.99 197:578 587.20 13.31 is 4.62 is - 0.08 209 580.29 0.00 0,00 -- -- -- -- -- -- -- -- 0.000 7.09 201,937 587.30 13.46 is 4.76 is 0.16 419 580.37 0.00 0.00 - - -- - - - -- -- 0.000 7.19 206,296 58740 13.62 is 4.89 is - 0.24 628 580.45 0.00 0.00 -- -- -- -- -- -- -- -- 0.000 7.29 210,654 587.50 13.76 is 5.02 is 0.32 838 580.53 0.00 0.00 -- -- --- -- -- -- -- -- 0.000 7.39 215,013 587.60 13.91 is 5.15 is - 0.40 1,047 580.60 0.00 0.00 - - -- -- -- -- -- -- 0.000 7.49 219,371 587.70 14.06 is 5.27 is - 0.47 1,257 580.68 0.00 0.00 - - --- -- -- -- -- -- 0.000 7.59 223,730 587.80 14.20 is 5.39 is - 0.55 1,466 580.76 0.00 0.00 -- -- --- -- -- -- -- -- 0.000 7.69 228,089 587.90 14.35 is 5.51 is - 0.63 1,676 580.84 0.00 0.00 - -- --- -- -- -- -- -- 0.000 7.79 232,447 588.00 14.49 is 5.62 is - 0.71 1,885 580.92 0.00 0.00 - - -- -- -- -- -- -- 0.000 7.82 233,588 588.03 14.52 is 5.65 is - 0.79 2095,581.00 0.00 0.00 - - - -- -- -- -- - 0.000 7.84 234,729 588.05 14.56 is 5.68 is 0.89 3,691 581.10 0.00 0.00 - - - -- -- -- -- -- 0.000 7.86 235,869 588.08 14.59 is 5.71 is - 0.99 5,286 581.20 0.00 0.00 - - -- -- -- -- -- -- 0.000 7.89 237,010 588.10 14.63 is 5.74 is - 1.09 6,882 581.30 0.00 0.00 0.000 7.91 238,151 588.13 14.66 is 5.76 is - 1.19 8,478 581.40 0.00 0.00 - -- --- -- -- -- -- -- 0.000 7.94 239,291 588.15 14.70 is 5.79 is - 1.29 10,074 581.50 0.00 0.00 - -- -- -- -- -- - - 0.000 7.97 240,432 588.18 14.73 is 5.82 is - 1.39 11,670 581.60 0.00 0.00 -- --- --- --- -- -- -- -- 0.000 7.99 241,572 588.20 14.77 is 5.85 is - 1.49 13,266 581.70 0.00 0.00 -- -- -- -- - -- -- -- 0.000 8.02 242,713 58823 14.80 is 5.87 is - 1.59 14,861 581.80 0.00 0.00 -- -- -- -- -- -- -- -- 0.000 8.04 243,854 588.25 14.84 is 5.90 is - 1.69 16,457 581.90 0.00 0.00 -- -- -- -- -- -- -- -- 0.000 8.14 248,624 588.35 14.98 is 6.01 is - 1.79 18,053 582.00 0.00 0.00 -- -- -- -- -- -- - - 0.000 8.24 253,395 588.45 15.11 is 6.11 is - 1.89 20,862 582.10 0.00 0.00 - - --- --- --- -- -- - 0.000 8.34 258,165 588.55 15.25 is 6.22 is - 1.99 23,670 582.20 0.00 0.00 - - -- -- -- -- -- -- 0.000 8.44 262,936 588.65 15.38 is 6.32 is - 2.09 26,479 582.30 0.00 0.00 - - --- --- --- -- -- -- 0.000 8.54 267,706 588.75 15.51 is 6.42 is - 2.19 29,288 582.40 0.00 0.00 - - - - -- -- -- -- 0.000 8.64 272,477 588.85 15.64 is 6.52 is - 2.29 32,0% 582.50 0.00 0.00 0.000 8.74 277,247 588.95 15.77 is 6.62 is - 2.39 34,905 582.60 0.00 0.00 -- - - - -- -- -- -- 0.000 8.84 282,018 589.05 15.90 is 6.71 is --- 2.49 37,713 582.70 0.00 0.00 - - - - -- -- -- -- 0.000 8.94 286,788 589.15 16.03 is 6.81 is -- 2.59 40,522 582.80 0.00 0.00 --- --- --- -- -- --- -- -- 0.000 9.04 291,559 589.25 16.16 is 6.90 ic - 2.69 43,331 582.90 1.10 is 0.00 -- -- -- -- -- -- -- -- 1.1D4 2.79 46,139 583.00 2.311c 0.00 -- -- -- -- -- -- -- - 2.307 ...End 2.89 49,245 583.10 3.07 is 0.00 --- --- --- -- -- -- -- -- 3.068 Continues on next page... LANGAN Project Langan Engineering and CHESSER BOYER Environmental rsBlvd,SServices, te1Inc. DEVELOPMENT 8951 Cypress Waters Blvd, Suite 150 Dallas, TX 75019 T: 817.328.3200 www.langan.com FORT WORTH TBPE FIRM REG. #F-13709 TA RFA NT TFIJAI, 17 PrfRsr WrA WrB WrC WrD Exfil User Total cis cfs cfs cfs cfs cis cfs cfs -- - - -- -- - - 3.675 _._ _._ -_. ___ __ ___ 4.195 4.657 5.077 5.465 5.828 6.169 -- -- -- -- -- - 6.492 6.800 7.095 - -- -- -- -- -- 7.378 7.650 7913 8.167 - -- -- -- -- -- 8.414 8.654 8.887 - - - - -- -- -- 9.114 9.336 - - - - -- -- -- 9.564 9.863 10.23 10.67 11.15 - - - - -- -- -- 11.68 12.22 - - -- - -- -- -- 12.78 13.31 - - - - -- - -- 13.78 - - - - -- -- -- 12.88 13.71 - - -- - -- -- -- 14.38 14.96 - 15.49 15.98 16.39 - 16.71 17.03 - 17.34 17.64 17.93 - 18.22 18.51 - 18.79 19.06 19.33 - - - - -- - -- 19.59 - -- - - -- - -- 19.85 20.11 20.18 20.24 2030. - -- - - - - -- 20.37 - -- - - - - -- 2043. - -- -- - -- - -- 20.49 - -- - -- -- - -- 2055. 2062. - -- - - -- - -- 20.68 - - - - -- - -- 20.74 20.98 - -- - - -- - -- 21.23 - - - - -- - -- 21.46 21.70 - - - -- -- -- -- 21.93 22.16 22.39 22.62 22.84 -- -- - - -- 23.06 Drawing Title (Project No. EXHIBIT B 520042001 POND DESIGN (Date BAD73 (Drawn CALCULATIONS By (Checked BS Drawing No. EX -DC 2 f0 iT N J N N O N Q 1 2 3 1 B C 0 4 4 J 250 0 125 250 I I SCALE: 1 INCH = 2�50 FEET Project Drawing Title Project Drawing No. LEGEND LANGAN Langan Engineering CHESSER BOYER SOIL EROSION szooazoo, 04 Date 0000 PROPOSED SILT FENCE and Environmental Services, Inc. A ,� DEVELOPMENT & SEDIMENT BAD7 � M EX-M J 30'X50'sTABILIZED 8951 Cypress Waters Blvd, Suite 150 Drawn CONSTRUCTION ENTRANCE Dallas, TX75019 CONTROL PLAN MP N PROPOSED AREA INLET OR CURB INLET T: 817.328.3200 www.langan.com FORT WORTH Checked By No TBPE FIRM REG. #F-13709 TA RFA NT TQ1S BS Q B C D 2 I4.ENNM xlx [Msvwsxr•t �. • AaEPTiaE c s ISOMETRIC PLAN VIEW "rn �M� i*mucE SILT FENCE OVERFLOW STRUCTURE FIGURE 3.28 STANDARD CONSTRUCTION DETAIL - FOR SILT FENCE (1 OF 2) IN o'B SILT FENCE (1 OF 2) N T.S. F s PE« xm TD 7 M . �. rNxxE. —D 3 HLTFAamNE .NEE=-N" CROSS BEST TYPE A CURB INLET PROTECTIONExlourenoxmncnrE srRE¢r. CROGS SECT oN ALTERNATIVE FORM FOR TYPE A oxslmiil.�Tc% CURB INLET PROTECTION 3 SILT FENCE GENERAL NOTES: SHOWEDISTHE INWHERE S RUCTURESARE REQUIRED ATA L L W PPOINTSAND AEA SPACING OF APPROXIMATELY SOD FEET WHERE NO LOW POINT ISAPPARENT. SILTDESIGNERIS TO BETU W ON PSL�AT THETMEHEDs`OUPGLOPEWHERE LENGTHS SHALL BE A MINIMUM OF IS FEET SLP�WGILE TOWIRRO THEE CPA1ED RUNOFESOURCEEPOST MUST UM OF ONE FOOT BE EMBE�DDOEF T EIG LT FENCE SHALL BE TRENCHED N WRH A SPADE OR MECINNICAL TRENCHER SO TIUT THE DOWNSLOPE FACE OF THE TRENCH IS FLAT AND PERPENDICULAR TO THE LINE OF FLOW. 5. THETRENCH MUST BE A MINIMUM OF B INCHES DEEP AND s INCHES WIDETOO ALL � FOR THE NIETTFENCE —IC TO BE LAID IN THE GROUND 8. SILT FENCE SHOWIN ULD BE SECURELY FASTENED TO EACH SUPPORT POST OR TOETItE THERE SSOF EABRIEA9 FOOTOVE_P EECUREIYTASroTENEDFENCE C MEET. INSPECTION ACEN5�SEPRV 9OEREPAIR OREMTLLLBEAAROMPANEEp —1 FENCE SHALL SE REMOVED WHEN FINAL STABILIZATON IS MN -E p0R ANOTHER EROSION OR SEDIMENTCONTROL DEVICE IS OF HALFMTHE HEIGHT OF THE FENCE T-1fE SLT IEHNLLRBE DISPOSED OF AT AN APPROVED SRE AND IN SUCH MANNER AS TO NOT CONTRIBUTE TO ADDITIONAL SILTATION. 10. SEE NCTCOG STANDARD SPECIP—ONS GRN 7), SECTION 2025 FIGURE 3.28 NOTES FOR SILT FENCE (2 OF 2) �INm,B SILT FENCE (2 OF 2) N T.S. PLAN VIEW 4 5 ENC TOM, .—C [[wPm °i;T ° x�FlwcEfOvksy� a ° v FILTERTUBEAREA INLET PROTECTION PLAN VIEW FILTER TUI INLET PROTECTION CROSS SECTION .re Elrosaxcox 1 ( iWxe H UoE TUBT camvDLL0�8.- O vocP SR.M PEGFlmoN :J w4Z.E TED [xcx EMBEDMENT EXAMPLE FILTER TUBE DROP INLET FOR FILTER TUBE PROTECTION CROSS SECTION FIGURE 3.13 STANDARD CONSTRUCTION DETAIL - FILTER TUBE AREA INLET PROTECTION RE—DFILTER TUBE ARIA INLET PROTECTION NT.S. STABIL(?Fj7.j;ry57eL`('�TI(1JyFN�TRANCE GENERAL NOTES: t SEE IILICQ6 Ai1EARC 59ECRl noNs (m11). SECTION—.11 2. THE THICHNESS SNALL NOT BE I.S. THAN G INCHES. 3.CEMENTLSH—BE TO 55IIINCCH DIAMETER COURSE AGGREGATE NO CRUSHED POR11AND 4 LE"T1G HRH—LBESHOWNOLA NPNS.WITAMINIMUM LENFEET GREATER THAN 5 NC. AT ALL POINTS OF INGRESS'OR EGRE%� 5 AC, AND 00' FOR SITES SEDIMENHERIOR TO E'M' CE ONTO A PUSLIC ROAD W XMNHEN SPILLED De B IND`a'Ae"`DA S. _RANGE MUST BE PROPERLY INSPECTION S OME. HNUL BE SPEC FEDUNa 9T FIGURE 3.6 STANDARD CONSTRUCTION DETAIL - IGURE 3 29 STANDARD CONSTRUCTION DETAIL - STABILIZED CONSTRUCTION EXIT (1 OF 2) FIGURE 3.29 NOTES FOR STABILIZED CONSTRUCTION EXIT (2 OF 2) FILTER TUBE CURB INLET PROTECTION FILTER TUBE CURB INLET PROTECTION STABILIZED CONSTRUCTION EXIT (1 OF 2) STABILIZED CONSTRUCTION EXIT (2 OF 2) C N.LS N.rs. N.T.S. Project Drawing Tine ProPc! No Drawing ND. LANGAN CHESSER BOYER SOIL EROSION Date 520042001 Langan Engineering and Environmental Services, Inc. DEVELOPMENT CONTROL 07/b7/ = EX—ED 8951 Cypress Waters Blvd, Suite 150 Draw,. -y Dallas, TX 75019 DETAILS MP T:817.328.3200 www.langan.com FORT WORTH Checked By TBPE FIRM REG. #F-13709 TA RRA NT Tw 13S O O N It O O N N Q z GJ ^O 1 — O 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 pondibasin 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 9 Rev. 03/01/2022 BN Exhibit "D" Stormwater Structural Maintenance CHECKLIST FREQUENT INSPECTION Mowing Remove Trash and debris Inspect irrigation system operation Remove grass clippings Violations Noted MINOR INSPECTION Condition of Pond Amount of silt in pond 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 -Rap Condition of filtration system REPAIRS REPAIRS DATE NOTES REQUIRED MADE STORMWATER FACILITY MAINTENANCE AGREEMENT 10 Rev. 03/01/2022 BN Berm or Embankment Settlement Location of erosion Evidence of Animals Evidence of Aquatic life Condition of Aeration Foundation STORMWATER FACILITY MAINTENANCE AGREEMENT 11 Rev. 03/01/2022 BN