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HomeMy WebLinkAboutContract 48353 CITY SECRETARY , �6 CONTRACT NO. Dor` #\ STORMWATER FACILITY MAINTENANCE AGREEMENT THIS AGREEMENT, made and entered into this day of August 22❑d, 2016, by and between Kimbell Art Foundation, 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 6.24 acre tract located in the J.P. Montgomery Survey, Abstract 1030. Tarrant County, Texas according to the deed recorded in Volume 388 Page 131, 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 Kimbell Parking Design 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 maintained by the Landowner, its successors and assigns, the location and dimensions of which is shown and OFFW AL RECORD; STORMWATER FACILITY MAINTENANCE AGREEMENT G17 V, 3ECRETARY Rev.05/14//2014 Fl� y more particularly described by metes and bounds in the attached Exhibit "A" ("Facility Property"), 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 Facilities, 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 citizen complaints. The City shall provide the Landowner, its successors and STORMWATER FACILITY MAINTENANCE AGREEMENT 2 Rev.05/14H2014 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 EMPLOYEES FROM AND AGAINST ALL COSTS, EXPENSES, STORMWATER FACILITY MAINTENANCE AGREEMENT 3 Rev.05114//2014 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 UNDERGROUND DETENTION FACILITY; ANY DAMAGES CAUSED TO PERSON OR PROPERTY DUE TO (1) SURCHARGE OF THE UNDERGROUND DETENTION FACILITY, (2) DETENTION FACILITY, OR (3) FAILURE OF THE UNDERGROUND DETENTION FACILITY TO OPERATE IN A MANNER CONSISTENT WITH CITY OF FORT WORTH CRITERIA; OR FAILURE TO PERFORM ANY OTHER DUTIES OR OBLIGATIONS HEREUNDER. 7. Landowner covenants and agrees that no habitable building shall be erected within the portion of the property outlined on Exhibit "A" but this paragraph shall not preclude construction of other improvements within the property, 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 facility 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. STORMWATER FACILITY MAINTENANCE AGREEMENT 4 Rev.05/14//2014 Executed this 3rd day of October 2016. Landowner City of F rt Worth Mr. Ben J. Fortson Jesus J. Chapa Vice President and Chief Investment Officer Assistant City Manager Kimbell Art Foundation Approved roved as Fo�rand Legality Ass' ann*i y Auto ey tL (� Cil M s� City Secretary ®OOOOOOpp p °� o� PO0000000000®O� OFFICUAL RECORD CITY SECRETARY NO M&C RE-QUIRED WORTH, TX STORMWATER FACILITY MAINTENANCE AGREEMENT CJ Rev.05/14/12014 STATE OF TEXAS § COUNTY OF TARRANT § This instrument was acknowledged before me on n.V V R J-D[(o by Jesus J. Chapa,Assistant City Manager of the City of Fort Worth, on behalf of the City of Fort Worth. ���.� �P��.,, LINDA M. HIRKINGER =n^ y '=_Notary Public,State of Texas Notary Public, State of Texas ,, �c Comm.Expires 02-02-2018 ''�''�,����+`° Notary ID 12414474-b STATE OF TEXAS § COUNTY OF TARRANT § Before me, the undersigned authority on this day of 20�(it, personally appeared known to me to be the person whose name is subscribed to the foregoing instrument and ac owledged to me that the same is the act of �70U 1(1�a oi'1 and that he executed the same as its ' u and as the act of such p and for the purposes and consideration expressed in the foregoing instrumen . M r'' BRENDA Notary Public, State of Texas �;nti j r: Y MY COMMISSION EXPIRES Septembw 14,2018 6 EXHIBIT "A" EXHIBIT °A" DRAINAGE EASEMENT METES AND BOUNDS DESCRIPTION Being a tract of land situated in the J. Montgomery Survey Abstract No. 1030, City of Fort Worth, Tarrant County, Texas, said tract located within a portion of Lot 1, Block 1, F.W.I.S.D. Administration Site, filed in Volume 388-131, Page 3 in the Plat Records of Tarrant County, Texas (PRTCT), and being more particularly described by metes and bounds as follows: COMMENCING at the northwest corner of said Lot 1 whence the southwest corner of said Lot 1 bears S00°00'00"W, a distance of 370.85 feet with all bearings contained herein relative thereto; said point also being in the easterly right-of-way line of Van Cliburn Way (a variable width right-of-way)' THENCE South 79043'17" East, a distance of 472.31 feet to the POINT OF BEGINNING; THENCE North 90300'00" East, a distance of 31.25 feet to a point; THENCE South 00'00'00" West, a distance of 115.00 feet to a point; THENCE South 90"00'00" West, a distance of 31.25 feet to a point; THENCE North 00000'00" East, a distance of 115.00 the POINT OF BEGINNING, and containing 3,594 acres, or 0.083 square feet of land, more or less. W ro•, ROBE T W. BRYAN � . . . , 'SE08 �~ �prcSS��'C�` SURti V EXHIBIT1 FB 1 r DP--IrNAGE EASEW&VT II If POINT OF COMMENCING DARNELL STREET POINT OF BEGINNING L 33,594 SQUARE FEET 0,083 OF AN ACRE -7 > LOT I, BLOCK I F.W.I.S.D.ADMINISTRATION SITE VOLUME 388-131, PAGE P-R.T.C.T. 0 120 ORTORTCW o r t h y of Fort '000 THRCC-KMCRTON STREET FORT WORTH, -,mXAS 761102 NOTES: 1, A )AE-,--SANO SWNOS DESCRIP7.04 OF EVL'i OA�.- Al-CCM0AilE3 THIS PL,46t. PROPOSED DRAINAGE EASEMENT OUT OF L(Yr 1,BLOCK I OF 2. BEARINGS REF---RE!NCED TO THE 'NEST UNE CF-07- 1. SLCCX I ---W.I.S.D. AOMNISTRATION�-T- F.W.I.S.D. ADMINISTRATION SITE AS RECORDED IN VOLUME 388-131,PG.3,P.R.T.C.T. AND BEING SITUATIZ13 IN THE J.MONTGOMERY SURVEY, Q RONRT W. BRMt4 ABSTRACT No. 1030 CITY OF FORT WORTH, TARR-ANT COUNTY,TEXAS v PROJECT: 2015061.01 EAST LAWN PARK;NG PROPOSED EASEMENT AREA: 3,594 SOUAPE FEET OR 0,083 OF AN ACRE OF LAND, I'ACRE OR LESS I OATEEE: 9/26/20'6 ROBERT W. BRYAN REGISTERED PROFESS rrt I.dwg !ONAL LAND DRAVANG: 1506101 Es — ]KAHN_ZN By.--ARS I CHECKED BY: RV/B No. 53C8 SHIELD ENGINEERING GROUP. PLLe-' * PO BOX 470636 0 PORT WORP-i. TEXAS 76147 0 (817) 810-0696 0 P-P;-' F-111039 0 IBPLS 101193890 ,0 2016 e 110.8,1' ProlocU IOMBELL PARKING LOT T----- ----- - ----------------- ----- --- - - StormTech• cc- mq UNDERGROUND DETENTION _-_-_--_„ -- - Unq.. �.°�• 3w-NIF D - NYBWIr OICNm4aa. ��• ^\. N°Bmr DIEM Gp .IOMP 00'190 TION VWJ.N W.tlalr Lpumslryl- \ 0111) /. PIPE I Am0urt 01SIOn.A9w.ON,- .I, AmO 1 510,1. n n /,!•___ ________________ ___ ____T PIPE j wI I 6'I LOWIOUiFLOW 1� ��__ __-_-_��------------- ----=_T ST uciuRE u Stor.TecIt MC-3500 Cumulativ0 S1Ar.1 c V,'I 1� - nmmnw .mm ow. uru 1 0ix1Ma cn 41�481.Gq Gp o-, OnY4.p Oql. F4 AM 3)um D.r.11m 0W4 4Bbe 14111 .eb l4wO wbe M01 u1s 9.0 au0e We1F .--- ______ _ -----------------------v_ _ 211. II 1110 41 000 0 � 000 000 0,00 ,00 11251 1125] 1106285 57092 I \A 90•IN UEM 6. 000 100 0.00 000 112.6) 11x07 1.,0x8 57a, R P PIPE 0] 0.00 OB° 000 000 1126] 1126] F /L �77ub7 \ tl2 0.00 000 0.00 °0° 112bT 1126] 107{616 67°.0] ^ T 4 0•UNDER 1 \\I 61 000 000 000 000 11217 1126) 1061x.60 610.68 / \ pPNN 0 000 SM 0.00 0.00 112.5) 1126] 142001 6101° 60 0.00 OGO 0.00 OA0 112S7 11267 IONO746 570A2 000 000 0.00 0.00 1f2AT 11261 IO2dM 6>OJ] --- L] 0.00 000 000 000 11261 11257 tO1B2a1 6]0]6 66 0.00 000OA0 0.00 11231 11267 1040.]6 67017 S6 0.00 000 000 000 1125) 1123) 009]18 6]000 24• 64 O.d 0.00 S25 0.00 111.27 11463 90MA1 5)000 EFFLUENT - fi] 0.10 002 10.07 0,10 101.14 118.111 973D.1O 500]2 �. .. 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JB I.lf 017 129.18 2.12 BOM 10196 761600 6010]L C 0]4x, PAVERS COFW STD.SD FRAMEBLID a0 xJ0 020 1]]36 22{ 50.x5 hu. 172135 SWAT ]] 2A0 020 07,11 2.05 M. 198 L9 ]19051 60058 (� 1Yr 5]2.25 ]B 23] 031 141.60 310 51.06 tOB 09 603110 60030 O 9UBGRAOE=+ 5 1.59 0]2 146,]5 2b7 91110 O)a111 _ -- - IApya.UQL 5zn+1 289 09J 148.14 208 52w x0].41 6631.50 SLB]] CRU9HE09TONE e-INFLOWIOUTFLOW ] 2)2 030 IS206 270 W. 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B'UNDER 24•EFFLUENT 3 u 4! 24 EFFLUENT STRUCTURAL O GRAIN T EIFIv-,I G,ou PLlBL00O""° Ij RAL 4 EFFLUENT B'UNDERDRAIN 8 - I ELEV•SB5,00 ELEV15055.N •R•�°nu.e 3 N,,,•O PLANS FOR fJ PIPE P« Y,�, 1.•001 oBUM REINFORCEMENT b 18 ORIFICE 1 w y" g 555 - i ,vo n kv..wmc SECTION a•a PLAN ELEv=5635. By 9,Bm,° 555 �TM �Anax aaoun4a SECTION b-b J Pviiup 9'Irmo - __- ,a 1UNDERGROUND DETENTION 6'INFLOW/OUT FLOW STRUCTURE >;. N . NWIA- 19M 09/23/2018 KPARK 4 i 'a' Iwo 2.Oo 3.00 1 wrtnc0]O me.!Sa ow0.a60mc u01v nlc.lvc r-IaM.IBrts nnM.o il..° wwsMO 111 I0Y.o.u,�.N...enm.5.tl 0.4aN w 880CHLLa.A.[.N.A471)..n 0183/1..Ak-.I.11]10 M.un.nt 11u110 w1P••zuO.°1.,.b u.. P a u..N.°..u�tl..u T 1 PROJECT INFORMATION ENGINEERED MICHAEL MARTINEZ PRODUCT 214-548.9923 MANAGER: MICHAEL.MARTINEZOADS-PIPE.COM MATTHEW MEYER ADS SALES REP: 817-751-6604 MATTHEW.MEYEROADS-PIPE.COM ELLLLLP— 0 PROJECT N0: 151808 ;u ADVANCED DRAINAGE SYSTEMS, INC. KIMBELL PARKING LOT FORT WORTH, TX STORMWATER CHAMBER SPECIFICATIONS IMPORTANT-NOTES FOR THE BIDDING AND INSTALLATION OF MC-3500 CHAMBER SYSTEM_ 1. CHAMBERS SHALL BE STORMTECH MC-3500 OR APPROVED EQUAL 1. STORMTECH MC-3500 CHAMBERS SHALL NOT BE INSTALLED UNTIL THE MANUFACTURER'S REPRESENTATIVE HAS COMPLETED A PRE-CONSTRUCTION MEETING WITH THE INSTALLERS. 2. CHAMBERS SHALL BE MADE FROM VIRGIN,IMPACT-MODIFIED POLYPROPYLENE COPOLYMERS. 2. STORMTECH MC-3500 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE"STORMTECH MC-35001MC-0500 CONSTRUCTION GUIDE". 3. CHAMBER ROWS SHALL PROVIDE CONTINUOUS,UNOBSTRUCTED INTERNAL SPACE WITH NO INTERNAL SUPPORT PANELS THAT 3. CHAMBERS ARE NOT TO BE BACKFILLED WITH A DOZER OR AN EXCAVATOR SITUATED OVER THE CHAMBERS. WOULD IMPEDE FLOW OR LIMIT ACCESS FOR INSPECTION. STORMTECH RECOMMENDS 3 BACKFILL METHODS: STONESHOOTER LOCATED OFF THE CHAMBER BED. 4. THE STRUCTURAL DESIGN OF THE CHAMBERS,THE STRUCTURAL BACKFILL,AND THE INSTALLATION REQUIREMENTS SHALL ENSURE BACKFILL AS ROWS ARE BUILT USING AN EXCAVATOR ON THE FOUNDATION STONE OR SUBGRADE. THAT THE LOAD FACTORS SPECIFIED IN THE AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS,SECTION 12.12,ARE MET FOR:1) BACKFILL FROM OUTSIDE THE EXCAVATION USING A LONG BOOM HOE OR EXCAVATOR. LONG-DURATION DEAD LOADS AND 2)SHORT-DURATION LIVE LOADS,BASED ON THE AASHTO DESIGN TRUCK WITH CONSIDERATION FOR IMPACT AND MULTIPLE VEHICLE PRESENCES. 4. THE FOUNDATION STONE SHALL BE LEVELED AND COMPACTED PRIOR TO PLACING CHAMBERS. 5. CHAMBERS SHALL MEET THE REQUIREMENTS OF ASTM F2418,"STANDARD SPECIFICATION FOR POLYPROPYLENE(PP)CORRUGATED 5. JOINTS BETWEEN CHAMBERS SHALL BE PROPERLY SEATED PRIOR TO PLACING STONE. WALL STOR MWATER COLLECTION CHAMBERS". 6. CHAMBERS SHALL BE DESIGNED AND ALLOWABLE LOADS DETERMINED IN ACCORDANCE WITH ASTM-2787,"STANDARD PRACTICE 6. MAINTAIN MINIMUM-9"(230 mm)SPACING BETWEEN THE CHAMBER ROWS. FOR STRUCTURAL DESIGN OF THERMOPLASTIC CORRUGATED WALL STORMWATER COLLECTION CHAMBERS". 7. INLET AND OUTLET MANIFOLDS MUST BE INSERTED A MINIMUM OF 17'(300 mm)INTO CHAMBER END CAPS. 7. ONLY CHAMBERS THAT ARE APPROVED BY THE SITE DESIGN ENGINEER WILL BE ALLOWED.THE CHAMBER MANUFACTURER SHALL 8. EMBEDMENT STONE SURROUNDING CHAMBERS MUST BE A CLEAN,CRUSHED,ANGULAR STONE 314.7'(20-.50 mm)MEETING THE AASHTO M43 SUBMIT THE FOLLOWING UPON REQUEST TO THE SITE DESIGN ENGINEER FOR APPROVAL BEFORE DELIVERING CHAMBERS TO THE DESIGNATION OF#3 OR#4. PROJECT SITE: 9. STONE MUST BE PLACED ON THE TOP CENTER OF THE CHAMBER TO ANCHOR THE CHAMBERS IN PLACE AND PRESERVE ROW SPACING. a. A STRUCTURAL EVALUATION SEALED BY A REGISTERED PROFESSIONAL ENGINEER THAT DEMONSTRATES THAT THE SAFETY 10. THE CONTRACTOR MUST REPORT ANY DISCREPANCIES WITH CHAMBER FOUNDATION MATERIALS BEARING CAPACITIES TO THE SITE DESIGN FACTORS ARE GREATER THAN OR EQUAL TO 1.95 FOR DEAD LOAD AND 1.75 FOR LIVE LOAD,THE MINIMUM REQUIRED BY ASTM ENGINEER. F2787 AND BY AASHTO FOR THERMOPLASTIC PIPE. 11. ADS RECOMMENDS THE USE OF"FLEXSTORM CATCH IT'INSERTS DURING CONSTRUCTION FOR ALL INLETS TO PROTECT THE SUBSURFACE b. A STRUCTURAL EVALUATION SEALED BY A REGISTERED PROFESSIONAL ENGINEER THAT DEMONSTRATES THAT THE LOAD STORMWATER MANAGEMENT SYSTEM FROM CONSTRUCTION SITE RUNOFF. FACTORS SPECIFIED IN THE AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS,SECTION 1212,ARE MET.THE 50 YEAR CREEP MODULUS DATA SPECIFIED IN ASTM F2418 MUST BE USED AS PART OF THE AASHTO STRUCTURAL EVALUATION TO VERIFY NOTES FOR CONSTRUCTION EQUIPMENT LONG-TERM PERFORMANCE. c. STRUCTURAL CROSS SECTION DETAIL ON WHICH THE STRUCTURAL EVALUATION IS BASED. 1. STORMTECH MC-3500 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE"STORMTECH MC•3500/MC4500 CONSTRUCTION GUIDE". B. CHAMBERS AND END CAPS SHALL BE PRODUCED AT AN ISO 9001 CERTIFIED MANUFACTURING FACILITY. 2. THE USE OF EQUIPMENT OVER MC-3500 CHAMBERS IS LIMITED: • NO EQUIPMENT IS ALLOWED ON BARE CHAMBERS. • NO RUBBER TIRED LOADER,DUMP TRUCK,OR EXCAVATORS ARE ALLOWED UNTIL PROPER FILL DEPTHS ARE REACHED IN ACCORDANCE WITH THE"STORMTECH MC-35001MC4500 CONSTRUCTION GUIDE • WEIGHT LIMITS FOR CONSTRUCTION EQUIPMENT CAN BE FOUND IN THE"STORMTECH MC-35001MC4500 CONSTRUCTION GUIDE". 3. FULL 36"(900 mm)OF STABILIZED COVER MATERIALS OVER THE CHAMBERS IS REQUIRED FOR DUMP TRUCK TRAVEL OR DUMPING. USE OF A DOZER TO PUSH EMBEDMENT STONE BETWEEN THE ROWS OF CHAMBERS MAY CAUSE DAMAGE TO CHAMBERS AND IS NOT AN ACCEPTABLE BACKFILL METHOD.ANY CHAMBERS DAMAGED BY USING THE"DUMP AND PUSH"METHOD ARE NOT COVERED UNDER THE STORMTECH STANDARD WARRANTY. CONTACT STORMTECH AT 1.888-892-2694 WITH ANY QUESTIONS ON INSTALLATION REQUIREMENTS OR WEIGHT LIMITS FOR CONSTRUCTION EQUIPMENT. PROPOSED LAYOUT PROPOSED ELEVATIONS NOTES j (56)STORMTECH MC-3500 CHAMBERS MAXIMUM ALLOWABLE GRADE(TOP OF PAVEMENT/UNPAVED); 578.00 . MANIFOLD SIZE TO BE DETERMINED BY SITE DESIGN ENGINEER.SEE TECH SHEET#7 FOR (6)STORMTECH MC-3500 END CAPS MINIMUM ALLOWABLE GRADE(UNPAVED WITH TRAFFIC): 572,50 MANIFOLD SIZING GUIDANCE. O LL INSTALLED WITH 12"COVER STONE,9"BASE STONE,40%STONE VOID MINIMUM ALLOWABLE GRADE(UNPAVED NO TRAFFIC): 572.00 DUE TO THE ADAPTATION OF THIS CHAMBER SYSTEM TO SPECIFIC SITE AND DESIGN ---I X u1 t INSTALLED SYSTEM VOLUME:11,195 CF(PERIMETER STONE INCLUDED) MINIMUM ALLOWABLE GRADE(BASE OF FLEXIBLE PAVEMENT): 572.00 CONSTRAINTS,IT MAY BE NECESSARY TO CUT AND COUPLE ADDITIONAL PIPE TO STANDARD (� H" o AREA OF SYSTEM:3,377 FT' MINIMUM ALLOWABLE GRADE(TOP OF RIGID CONCRETE PAVEMENT): 572,00 MANIFOLD COMPONENTS IN THE FIELD. = Y c PERIMETER OF SYSTEM:282 FT TOP OF STONE 571.00 Z TOP OF CHAMBER: 570.00 Y = E 24"TOP MANIFOLD INVERT: 567.46 d o O O 24"ISOLATOR ROW INVERT: 566.42 > BOTTOM OF CHAMBER: 566.25 UNDERDRAIN INVERT: 565.50 BOTTOM OF STONE: 565.50 W m R CO 0 Y � w � a ¢ O a e W,y O ^ H K �°w w 6� o �a 110.66 - 104.10' _ O G= 24"CORED END CAP,PART#MC35001EPP24TC TYP OF ALL MC-3500 24"TOP CONNECTIONS o PLACE MINIMUM 17.5'OF ADS GEOSYNTHETICS 315WTM WOVEN w � GEOTEXTILE OVER BEDDING STONE AND UNDERNEATH CHAMBER gee FEET FOR CO PROTECTION AT ALL CHAMBER INLET ROWS S WADS N-12 DUAL WALL - 6 f [ � H n mPERFORATED HDPE UNDERDRAIN (SIZE TBD BY ENGINEER) o ---- 24"X 24"ADS N-12 TOP MANIFOLD d "° 4 m w INSPECTION PORT _J MAXIMUM INLET FLOW 25.5 CFS ISOLATOR ROW g MAXIMUM OUTLET FLOW 7.0 CFS g m INVERT 14.48"ABOVE CHAMBER BASE 3$ P I (SEE NOTES) m 24"CORED END CAP,PART#MC35001EPP24BC TYP OF ALL MC-3500 24"BOTTOM CONNECTIONS V o AND ISOLATOR ROWS 'als ONE WAY CHECK VALVE w 0 g o p n (DESIGN BY ENGINEER/PROVIDED BY OTHERS) STRUCTURE PER PLAN u2ELDIATED) (DESIGN BY ENGINEER/PROVIDED BY OTHERS) g IF m� b Y o hi 12 SHEET 2 OF 5 ACCEPTABLE FILL MATERIALS: STORMTECH MC-3500 CHAMBER SYSTEMS 3 J X m i9 n MATERIAL LOCATION DESCRIPTION AASHTO MATERIAL COMPACTION/DENSITY - CLASSIFICATIONS REQUIREMENT z_ ~ z x x FINAL FILL:FILL MATERIAL FOR LAYER'D'STARTS Y FROM THE TOP OF THE'C'LAYER TO THE BOTTOM ANY SOIL/ROCK MATERIALS,NATIVE SOILS,OR PER PREPARE PER SITE DESIGN ENGINEER'S PLANS. QO a v D OF FLEXIBLE PAVEMENT OR UNPAVED FINISHED ENGINEER'S PLANS.CHECK PLANS FOR PAVEMENT N/A PAVED INSTALLATIONS MAY HAVE STRINGENT a 0 GRADE ABOVE.NOTE THAT PAVEMENT SUBBASE SUBGRADE REQUIREMENTS. MATERIALAND PREPARATION REQUIREMENTS. MAY BE PART OF THE'D'LAYER AASHTO M145' 1 j y INITIALA-1.A-2.4,A-3 BEGIN COMPACTIONS AFTER 24"(600 mm)OF m O £ START FILL:FILL MATERIAL FOR MB ER'C' GRANULAR WELL-GRADED PROCESSED AGGREGATE. MIXTURES,<35% MATERIAL OVER THE CHAMBERS IS REACHED. LL STARTS FROM THE TOP OF THE EMBEDMENT FINES OR PROCESSED AGGREGATE. COMPACT ADDITIONAL LAYERS IN 12" C STONE('B'LAYER)TO 24"(600 mm)ABOVE THE OR MAX LIFTS TO A MIN.95%PROCTOR DENSITY FOR Y w TOP OF THE CHAMBER.NOTE THAT PAVEMENT MOST PAVEMENT SUBBASE MATERIALS CAN BE USED IN LIEU AASHTO M43' WELL GRADED MATERIAL AND 95%RELATIVE F p , SUBBASE MAY BE A PART OF THE'C'LAYER. OF THIS LAYER. 3,357,4,467,5,56,57,6,67,68,7,78,8,89, DENSITY FOR PROCESSED AGGREGATE o a S. 10 MATERIALS. EMBEDMENT STONE:FILL SURROUNDING THE B CHAMBERS FROM THE FOUNDATION STONE('A' CLEAN,CRUSHED,ANGULAR STONE AASHTO M43' NO COMPACTION REQUIRED. 6 m LAYER)TO THE'C'LAYER ABOVE. 3,4 u c Z °E FOUNDATION STONE:FILL BELOW CHAMBERS 0 A FROM THE SUBGRADE UP TO THE FOOT(BOTTOM) CLEAN,CRUSHED,ANGULAR STONE AASHTO M43' PLATE COMPACT OR ROLL TO ACHIEVE A FLAT a OF THE CHAMBER. 3.4SURFACE.a' m w m A� PLEASE NOTE: o 1. THE LISTED AASHTO DESIGNATIONS ARE FOR GRADATIONS ONLY.THE STONE MUST ALSO BE CLEAN,CRUSHED,ANGULAR.FOR EXAMPLE,A SPECIFICATION FOR#4 STONE WOULD STATE:"CLEAN,CRUSHED, �a ANGULAR NO.4(AASHTO M43)STONE". 08 2. STORMTECH COMPACTION REQUIREMENTS ARE MET FORA'LOCATION MATERIALS WHEN PLACED AND COMPACTED IN 9"(230 mm)(MAX)LIFTS USING TWO FULL COVERAGES WITH A VIBRATORY COMPACTOR. 3. WHERE INFILTRATION SURFACES MAYBE COMPROMISED BY COMPACTION,FOR STANDARD DESIGN LOAD CONDITIONS,A FLAT SURFACE MAYBE ACHIEVED BY RAKING OR DRAGGING WITHOUT COMPACTION y -- EQUIPMENT.FOR SPECIAL LOAD DESIGNS,CONTACT STORMTECH FOR COMPACTION REQUIREMENTS. _ U ADS GEOSYCLEAN,THETIC D,ANGULAR STONE IN A&B ILELAY ALL PAVEMENT LAYER(DESIGNED a - AROUND CLEAN,CRUSHED,ANGULAR STONE INA&B LAYERS BY SITE DESIGN ENGINEER) 3 PERIMETER STONE td D -TOB T EweN=a NT.FOHUNFAVED 8, nLLATlO E TNN IP—M YOCCUa 24" (SEE NOTE 6) C i E e oven T psa ml g (600 mm)MIN• (M�) 12"(300 mm)MIN EXCAVATION WALL I n 5 $ m E (CAN BE SLOPED OR VERTICAL) 9 "1)v (1140 mm) DEPTH OF STONE TO BE DETERMINED § 6"(150 mm)MIN--� BY SITE DESIGN ENGINEERS"(230 mm)MIN o$ st MC-3500 &$ END CAP SUBGRADE SOILS 9 77'(1950 mm) 12"(300 mm TYP (SEE NOTE 4) (230 mm)MIN ) N 'u3 �� F ED Y EO ov NOTES: _ m o 1. MC-3500 CHAMBERS SHALL CONFORM TO THE REQUIREMENTS OF ASTM F2418"STANDARD SPECIFICATION FOR POLYPROPYLENE(PP)CORRUGATED WALL STORMWATER COLLECTION CHAMBERS", 2. MC-3500 CHAMBERS SHALL BE DESIGNED IN ACCORDANCE WITH ASTM F2787"STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTIC CORRUGATED WALL STORMWATER COLLECTION CHAMBERS". g 3. "ACCEPTABLE FILL MATERIALS"TABLE ABOVE PROVIDES MATERIAL LOCATIONS,DESCRIPTIONS,GRADATIONS,AND COMPACTION REQUIREMENTS FOR FOUNDATION,EMBEDMENT,AND FILL MATERIALS. 6 m�. 4. THE SITE DESIGN ENGINEER IS RESPONSIBLE FOR ASSESSING THE BEARING RESISTANCE(ALLOWABLE BEARING CAPACITY)OF THE SUBGRADE SOILS AND THE DEPTH OF FOUNDATION STONE WITH Is CONSIDERATION FOR THE RANGE OF EXPECTED SOIL MOISTURE CONDITIONS. S. ONCE LAYER'C'IS PLACED,ANY SOIUMATERIAL CAN BE PLACED IN LAYER'D'UP TO THE FINISHED GRADE.MOST PAVEMENT SUBBASE SOILS CAN BE USED TO REPLACE THE MATERIAL REQUIREMENTS OF LAYER'C' § OR'D'AT THE SITE DESIGN ENGINEER'S DISCRETION. €w 6. PERIMETER STONE MUST BE EXTENDED HORIZONTALLY TO THE EXCAVATION WALL FOR BOTH VERTICAL AND SLOPED EXCAVATION WALLS. SHEET 3 OF 5 COVER PIPE CONNECTION TO END OPTIONAL INSPECTION PORT �. CAP WITH ADS GEOSYNTHETICS 601T NON-WOVEN GEOTEXTILE F, E MC-3500 CHAMBER 0 N n STORMTECH HIGHLY RECOMMENDS J X - FLEXSTORM PURE INSERTS IN ANY UPSTREAM MC-3500 END CAP 0 F' o STRUCTURES WITH OPEN GRATES 1 1 Y H a w } � e S $ U.1 On � E CATCH 13ASIN r _ o OR MANHOLE if. d SUMP DEPTH 780 BY _ SITE DE SIGN ENGINEER ��'1,1�'I}z`'I"'•i: ,, ,.�,t�ti' 'y' (24"(600 mm)MIN RECOMMENDED) o 24"(600 mm)HDPE ACCESS PIPE REQUIRED TWO LAYERS OF ADS GEOSYNTHETICS 315WTM WOVEN a USE FACTORY PRE-CORED END CAP GEOTEXTILE BETWEEN FOUNDATION STONE AND CHAMBERS k# PART OP.MC35001EPP24BC 8.25'(Z51 m)MIN WIDE CONTINUOUS FABRIC WITHOUT SEAMS w m w3 MC-3500 ISOLATOR ROW DETAIL 'p NTSgO s� INSPECTION&MAINTENANCE S STEP 1) INSPECT ISOLATOR ROW FOR SEDIMENT A INSPECTION PORTS(IF PRESENT) i S A.1. REMOVE/AND LID ON NYLOPEXSTO AST INLINE DRAIN CONCRETE COLLAR 8 m w 0.2. REMOVE AND CLEAN FLEXSTORM FILTER IF INSTALLED A.3. USING A FLASHLIGHT AND STADIA ROD,MEASURE DEPTH OF SEDIMENT AND RECORD ON MAINTENANCE LOG 16"(450 mm)MIN WIDTH L ~ PAVEMENT `c yT A.4. LOWER A CAMERA INTO ISOLATOR ROW FOR VISUAL INSPECTION OF SEDIMENT LEVELS(OPTIONAL) 1 S Y A.5. IF SEDIMENT IS AT,OR ABOVE,3"(60 mm)PROCEED TO STEP 2.IF NOT,PROCEED TO STEP 3. CONCRETE COLLAR NOT REQUIRED 3 2 B. ALL REMOVEISOLATOCOVER FOR UNPAVED APPLICATIONS 8.1. REMOVE COVER FROM STRUCTURE AT UPSTREAM END OF ISOLATOR ROW B.2. USING A FLASHLIGHT,INSPECT DOWN THE ISOLATOR ROW THROUGH OUTLET PIPE 1) MIRRORS ON POLES OR CAMERAS MAYBE USED TO AVOID A CONFINED SPACE ENTRY II)FOLLOW OSHA REGULATIONS FOR CONFINED SPACE ENTRY IF ENTERING MANHOLE �'* H 8.3. IF SEDIMENT IS AT,OR ABOVE,3"(80 mm)PROCEED TO STEP 2.IF NOT,PROCEED TO STEP 3. CONCRETE SLAB - Tw STEP 2) CLEAN OUT ISOLATOR ROW USING THE JETVAC PROCESS 8"(200 mm)MIN THICKNESS 12"(300 mm)NYLOPLAST INLINE m c l l DRAIN BODY W/SOLID HINGED A A FIXED CULVERT CLEANING NOZZLE WITH REAR FACING SPREAD OF 46'(1.1 m)OR MORE IS PREFERRED Si rye' �, `�)} COVER OR GRATE w B. APPLY MULTIPLE PASSES OF JETVAC UNTIL BACKFLUSH WATER IS CLEAN FLEXSTORM CATCH IT :''C'f'a t �1,,: PART#2712AG61P O o C. VACUUM STRUCTURE SUMP AS REQUIRED PART#6212NYFX yf1\°. ��;�i SOLID COVER'1299CGC m S "< WITH USE OF OPEN GRATE GRATE;1299CGS L~ STEP 3) REPLACE ALL COVERS,GRATES,FILTERS,AND LIDS;RECORD OBSERVATIONS AND ACTIONS. ^ o 6'(150 mm)INSERTA TE0 E 6"(150 mm)DWV SCH40 PIPE STEP 4) INSPECT AND CLEAN BASINS AND MANHOLES UPSTREAM OF THE STORMTECH SYSTEM. PART#61PSSWST351P (BY OTHERS) < o w INSERTA TEE TO BE CENTERED c�i} & ON CORRUGATION CREST v R w NOTES MC-3500 CHAMBER = �g atl 1. INSPECT EVERY 6 MONTHS DURING THE FIRST YEAR OF OPERATION.ADJUST THE INSPECTION INTERVAL BASED ON PREVIOUS OBSERVATIONS OF SEDIMENT ACCUMULATION AND HIGH WATER ELEVATIONS. g F tl 2. CONDUCT JETTING AND VgCTORING ANNUALLY OR WHEN INSPECTION SHOWS THAT MAINTENANCE IS NECESSARY. I '6 f� $ s?Z W s� MC-3500 6"INSPECTION PORT DETAIL Sa NTS SHEET 4 OF 5 MC-SERIES END CAP INSERTION DETAIL MC-3500 TECHNICAL SPECIFICATION s NTS VALLEY NTS F a STORMTECH END CAP STIFFENING RIB CREST 86.0"(2184 mm) O N w0, INSTALLED 3EST X t F o 12"(300 mm) CR STIFFENING RIB WEB Z = 3 v LOWER JOINT Y F ¢ w MIN SEPARATION CORRUGATION c o v 12"(300 mm)MIN INSERTION a o -J F e LU MANIFOLD STUB m 0 ^' •- < FOOT # $ MANIFOLD HEADER Y u � UPPER JOINT CORRUGATION o a BUILD ROW IN THIS DIRECTION rJ LL55 90.0"(2286 mm) e MANIFOLD HEADER ACTUALLENGTH 0 0 MANIFOLD STUB 46.0" (1143 mm) (1143 mm) �,5„ w muU3 (571 mm) og 12 300 mm INSTALLED Q ( ) IN NSE TIO MIN SEPARATION MIN INSERTION �I1 (1 56 mm) "l 77.0" (1956 mm) O NOTE:MANIFOLD STUB MUST BE LAID HORIZONTAL NOMINAL CHAMBER SPECIFICATIONS p S FOR A PROPER FIT IN END CAP OPENING. SIZE(W X H X INSTALLED LENGTH) 77.0"X 45.0"X 86.0" 0956 mm X 1143 mm X 2184 mm) CHAMBER STORAGE 109,9 CUBIC FEET (3.11 m') w H MINIMUM INSTALLED STORAGE* 178,9 CUBIC FEET (5.06 m') ¢ rc WEIGHT 135.0 lb.. (61.21(9) UNDERDRAsN DETAIL NOMINAL END CAP SPECIFICATIONS 25.T' 0� SIZE(W X H X INSTALLED LENGTH) 77.0"X 45,0"X 22.5" (1956 mm X 1143 mm X 571 mm) (653 mm) f• a STORMTECH STORMTECH END CAP STORAGE 14.9 CUBIC FEET 0,42 m' CHAMBERS STORMTECH CHAMBER i MINIMUM INSTALLED STORAGE' 46.0 CUBIC FEET (1.30 m') ig a END CAP c'r Y.4 WEIGHT 50.0 lbs. (22.7 kg) S OUTLET MANIFOLD '' *ASSUMES 1Z'(305 mm)STONE ABOVE,9"(229 mm)STONE FOUNDATION AND BETWEEN CHAMBERS, 5 12"(305 mm)STONE PERIMETER IN FRONT OF END CAPS AND 40%STONE POROSITY a Y STUBS AT BOTTOM OF END CAP FOR PART NUMBERS ENDING WITH"B" FOUNDATION STONE STUBS AT TOP OF END CAP FOR PART NUMBERS ENDING WITH"T" $g =u BENEATH CHAMBERS -� PART# $TUB B C 8 s I MC35001EPP06T 33.21"(844 mm) R 9 S MC35001EPPOBB 6"(150 mm) 0.66'(17 mm) 8 MC35001EPPOBT 31.16"(791 mm) AOS -O V N GETICS 6017 MC35001EPP08B 8"(200 mm) 0.81"(21 mm) NONWOVEN GEOTEXTILE SECTION A-A DUAL WALL — PERFORATED MC35001EPP10T 29.04"(738 mm) _ HDPE MC35001EPP10B 10"(250 mm) m o 0.93"(24 mm) a= s STORMTECH UNDERDRAIN MC35001EPP12T 26.36"(670 mm) _ w END CAP 12"(300 mm) w O^ o MC35001EPP12B 1.35"(34 mm) ¢ MC35001EPP15T ( 23.39"(594 mm) I Ili. WO B B '.� I �,�� MC35001EPP15B 15"375 mm) _ 1.50"(38 mm) B _ o z -Y. MC35001EPP18TC 20.03"(509 mm) _ MC35001EPP18BC 18"(450 mm) g m 1.77"145 mm) �— •Y S FOUNDATION STONE MC35001EPP24TC 14.48"(366 mm) A BENEATH CHAMBERS MC35001EPP248C 24'(600 mm) 2.06"(52 mm) ' T— _ MC35001EPP308C 30"(750 mm) _ b NOTE:ALL DIMENSIONS ARE NOMINAL s2 m A ADS GEOSYNTHETICS 601T NON-WOVEN GEOTEXTILE CUSTOM PRECORED INVERTS ARE AVAILABLE UPON REQUEST.INVENTORIED MANIFOLDS INCLUDE NUMBER AND SIZE OF UNDERDRAINS PER SITE DESIGN ENGINEER 12-24"(300-600 mm)SIZE ON SIZE AND 15-46'(375.1200 mm)ECCENTRIC MANIFOLDS. a 4"(100 mm)TYP FOR SC-310&SC-16OLP SYSTEMS SECTION B-B CUSTOM INVERT LOCATIONS ON THE MC-3500 END CAP CUT IN THE FIELD ARE NOT RECOMMENDED C &'(150 mm)TYP FOR SC-740,DC-780,MC-3500&MC4500 SYSTEMS FOR PIPE SIZES GREATER THAN 10"(250 mm) -L SHEET THE INVERT LOCATION IN COLUMN'S'ARE THE HIGHEST POSSIBLE FOR THE PIPE SIZE. 1 5 OF 5 — L o 0 _ D .. E'�cY1SP. F;:I,S /570 2 1570.0� - (70.7 L7 ,5706t• 5703-0\ 3 5/045 J:S�rO.�Z� IL x`5.1-01-oI n1�7 b �5 s7?11 5 a7 1 ` '•\ }573.5_ i:5r'1 i� •vl.�J� 'S`2.$St X73 a2'573 d". —,• _ � 57271'\ .572 J6 1 7 1 Is 3a ia �. . - •,'4~�""` - 5 aiii57—�7'�" ��� x•57;. !517.35 -x71 s7a •i / "s7'f 93,Isia.at r"'� - • 574 _ �\ Y J t yn( v —.S ria i,nj 1 iv 0 574 9' 74 ��£as I�.s 1Y 37, vs Aj- 370 EXHIBIT "B" HYDRAULIC COMPUTATIONS FOR STORM DRAINS -. STORM DRAIN HYDRAULIC CALCULATIONS TABLE //• oAmpeg3Q .. nmeMcw�rc99aA lot, W47. SYuw tOp Yuw 05 Olm Ibt 0 PIPu CA0 LOS5LCULAmNO E." _—Yvemerml - u Flluwl Ntt]MULIC CPaOENT �'ASU APEA —V —V B-11 RuuR Bweue Plm Slw Sbpn Al 05LNE AY 1 1 rz V22rzp9�fp121]a n5 AueuSq'.,p0 tt,1R PM 101tYt) 5]-PA-1 181 ]0 001] )0.00 ns ic, laR5 _ EGRE_e uoa 23N. mm P-- - as Ipa p5e tp]J 5 t 9s a° eu 0 ]ez- - 'ono Ipap nni w w Yoia - E E__ �� o9p ° P. 'uw how sie i] sea 2 -- n5o - FUII 50 ION BOW -- 1 D n O L IY AR L 5)2 EEN_LLfc a NOT, Z. st 502 _ -1.-._-7. 550 JUN II. oc0 aP1 toR 9m tTo 21 Yw] Dort] Fi DRAINAG AREAa STREETSECTION 1G0 YR RUNOFF•] .SM111 CALCULATIONS v, TSvaet Crom Sbpa Cmm ElopO Mont9rg9 100.Yoe) 100-Y¢0! alpubwd DOpV Oepw Of SP..dol Mm 11—bb Ar¢O OpeNg LF OIGraw Lnrmlh hb1 100.Yo0r .S-Sbpe of Pawmnrl of Gupur DOtlfSclont t00Ymr 100-Y9ur C01ry0wr TOwi al Oped.D DOp.W.D Fbw Dnplh PreMB EIOGancy COpeclly 6yp9up hat Np Ana Ana Ruroll Time 01 TYpICRI SacYon NOTES CO¢Mo am COncanvepOn "6' -Be ^Sw' POwmenl Wnnolly Rurott Fmw GubrO 'Yo' 'd" "1• A(AREA) 'E' "01" Glow No. ACRES 'C min 1 (MB). IMI Nh 'n' InIN cis cie cb M1 R R R 28.0Yi GPEN h R 0p cn nh �/ I 2 ] 4 5 8 1 0 0 10 f1 12 13 td 15 18 1] 10 20 21 .2 23 1J 25 18 I EXISTING 1I PAi 1 3,02 1 DI1 1 10.0 wA wA O.OIDO NA 001]0 031 2678 Dao 200, 0.07 02s 0.25 0) O1 7]00 t00% 20 Ot O.DO Lsum INel Grab N i PAR 082 Oil wA A 001 NA o0t]0 !11 21.25 000 2001 020 000 Nen OPp a o too 0 I CONDITIONS !92� DARNll LS11 L IAA SN N D LiNon.,,m,m �manrM�r�W I 020 01J ]30 20 Oi 0 '� - _ P \ ! Ny bdm vAluu AM Abd hd Ruoon.l Au y um ['•� .� ..�.�» {1 0055 11PY ` - Nrl P �I Ile _ - I,. 'IJ II ' x00 P� m I SINMv /user I' T•a Jxi.0)I D) •R E%ISTW L u R11 W14 eulw0 auw 129Pmvml TTotluSt]u C 0 LUNO 'Vf � � I e rw02 aV I u)t5p 31 1 T ' - / L'1.`,... yP' ..�I T1m�ww rrm 1w9 )m pa xlrz C • er wl.eon ^ (, � � _----- '� � � ••Menne w.Lwmw �x5unwre,w. QIP I I ,pm IID ;o u..�A 1 1 Q) �M 111 , I 1 N G B U u,�l J , a \\ 1.38 AC � �b wuw+a Oeu M .0 o,w u.n ' cs a Iola uvr w10 txm - Y y ` 3 t heRSb.va. CE o 0 1 I _ s r I I-_ _ fR�N�,PtlIWAYUPA� Ea; ISSUE _�•. WLANCASTERAVENUI: oEPiNIFT)d OSgV,ftiEIEPSI >e 5]�i. -- EN ) 21Ym_2 w5Y a)x ala, >tl9= nia 1]W552 651512 55.Of: )0x01 Ou- DATE: NOTES x p2 020 � lad eu nte111 tmvo 1).ex uxne - 0R1w a I PROPOSED CONDITIONS , °a' 2 8117116 21,1SWM KIIEW vT— JI i UA 5 I ll 1.. "� mtlre2 I „� AU ISW F ET �) ....... OUN qN 2ta t�Jx01 —— - ryit 1'�_ T�,_ 15-- 6¢ NOTE'DETENTIONRELEASE9Ai0 ALLOWg6LE RATES PA-5 rrT- ..'I- ..,_C� -,�,t I. `111 O.S6 AC y3 ` - _ 1R01NLEr o ,. •� l� IIIOWNN THE DETENTION POND VOLUME CACULgilON3 PAa em u T 01 x } 0)1 T. - uw Op1u OPout IN THE t to 0100 YEM STORM +le t -ST IOc tan e:u 1.M 15 n 11l 51 x1u w wv is n1.T ¢ua fll I 0 , Y EL 1: a L iI11 !. I7 la " �, '_ p� f LEGEND FIRM817 Ih I r " { 'tl� -- �100YEAREI,112.10 tura d i 4 I I to MA �� F.rt .1th.T A en 5l I Y � (1F� ! 1 �)15<"'� srnHoggocsl oRl0vE w6otnD ONTH[ MAJOR DRAINAGE AREA DIVIDE �'� 817-212111%'76109 F Y� ) FLOWARROW (MERG E EAST SPILLWAY < LES �1 - n- T PA-0 y _Y�•, O N)N AREA DESIGNATION AND ACREAGE ) Gh 1a P{c F I Xx AC m �I - ]s' r �I 1 II' J o 67 AW COMPUTATION SHEET FOR DETERMINING CAPACITY OF STREET DARNELL P III I M..i l l 1 Ir m - Y I�.� i� �-I I" O /I • STREET 0° d11, �� sp99, sA M9rvY1pn N MMG^ _ SVuol SYCYOR SVeat Coemdenl SWN SRII-v9ny A DRAINAGE AREA MAP I e PA-2 ,` k E g I'1 !TO 17 5� �5 Lo Sb o Cm90 Sb P P IY P°7 D 60 120 180 OAtc ! 36 PA-111 { "� 5)9 Tr �I ITL I 130 AC •4�i , SII f I apOSz� P P° wr OwmoN Ca 9d Co °I �� i 0,37:PC� �'IyT IrioL Inim 15 GRAPHIC SCALE IN FEET 05/23/2011 hpARK I' t 13 11 m 00100 30'FFRooOo 0020 OO1T0 04.51 0]0] C4.1 W LANCASTER AVENUE ']..,NT9Gl Omb Yy'>vm mnKP9[wOUP M1K'mP[M1ttm9--//P9li I"— —-viol upP•>9q en"Ii-dowim�lf'.o:wtlwrb.d er X011 u:AAomlllA.-P.[Na91N].-wi-00/2]/10:-A Ibn el':'..d�d o.m.nl':luout'Prop.r neunvopon-N.N—.—-iii.—Iv wi'oll.iu:—N. T.u:u91n..ruro PiaeOo:"Aal -..... ...-... ........... ."......... .. Gil ldl�14 UTILITY NOTES ......_ _.... _.__. .. ___.. _.... _..._ _.... -_. ___.. .___ -.._... -_._. ..._. _... _ 1. EXISTING UTILITY DATA IS PROVIDED FOR INFORMATION ONLY.ALTHOUGH 4. THE CONTRACTOR SHALL,EN ALL UTILITIES,COORDINATE INSPECTION AND B ALL VALVES,DUCTILE IRON PIPE CAST IRON PIPE CAST IRON FITTINGS, 11.TRENCH SAFE11` THIS DATA IS SHOWN AS ACCURATELY AS POSSIBLE THE CONTRACTOR IS TESTING WITH THE APPROPRIATE AUTHORITES PRIOR 10 BACKFlLLING AND SPECIALS,SHALL BE POLYETHYLENE WRAPPED. IT SHALL BE THE RESPONSIBILITY OF THE CONSTRUCTION CONTRACTOR CAUTIONED THAT THE DEVELOPER AND THE ENGINEER NEITHER ASSUMES TRENCHES TD PROVIDE ANO MAINTAIN A VIABLE TRENCH SAFETY SYSTEM RA ALL NOR IMPLIES ANY RESPONSIBILITY FOR THE ACCURACY OF THIS DATA. TINES VIDE CONSTRUCTION ACTIVITIES PER TEXAS MOUSE BILL 1569, A ALL WATER AND SEWER WORK SHALL CONFER TO APPLICABLE Cltt DF 9. CONTRACIOfl IS ftESPONSBLE FOR ALL PERMITS,IMPACT AND INSPECTION WTTH THE STANDARDS AS SET BY THEECTIG OCCNPA110NAL SAi'Ett AND HEALTH a" 2 CONIRAC70R IS TO VERIFY LOGTION AND ELEVATION OF EXISTING UTILITIES FORT WORTH PLUMBING COPES.TO RIE CITY OF FORT WOC1H STANDAfl05 FEES,ANY CITY FEES AND LICENSES,ANp ALL OTHER COSTS INCURRED IN ADNINISIPATION(GSH FOR iflENGH SAFETY THAT CULL BE IN FFTECT "�^"�--�'-••" PRIOR TO CONSipUCTION.ANO SHALL ASSUME REP FOR REPAIRS AND SPECIFICATIONS SHALL BE PERFORMED UNDER A PERMIT LS6UFD BY THE 1H[INSTALLATIXa OF UTILITIES OURIND IME PERIOD COR TENCH OF THE PROJECT. TO ElUSTNG FAGLIRES DAMAGED BY CONTILACTORS ACTIVITIES GTY OF FG]T WORTH,h CONFORM TO APPLICABLE INTERNATIONAL BUILDING iNE CONTRACTOR IB OIPECTED TO BEGONE KNOWlEpCEABLE AND FAMILIAR •.I.."""""`lam' CODE REWIREMENIS Ya]1) ]. CA.ER AS SMALL COORDINATE INSTALLATION ASS OF URURER W SUCH A 12 ALL CONDUI75 SHALL BE SCHEDULE BO AND INSTALLED WITH O6•MIN ��•E gp.' MANNER AS 10 AMD CONNCiS AND TO ASSURE PROPER DEPTHS ARE 6 TOP OF WATER LINES SHALL BE INSTALLED WITH A MIN COVER OF S- 10. CONTRACTOR IS RESPONSIBLE FOR ADJUSTING ALL VALVE BOXES ANO COYER PPIOR TO PAVING IN MEDIANS,PARKWAYS,SIPFETS,AND Aq:l a�P ACHIEVER.CONTRACTOR SHALL ADHERE TO TFIE REOUIRENENTS OF THE 6• NE1FA 80%ES TO FINAL GRADE DRIVEWAY CROSSINGS p Z CITY OF FORT WORTH AND SHALL CDCROWATE WITH THE CITY PRIOR TO UNLESS OTHERWISE NOTED ON PUNS 1 CONNECTING TO EXISTING PUBLIC UTILITIES 7, CONTRACTDR SHALL BE RESPONSIBLE FOR OBTAINING COMPACTIGH TO 931L N—TF SIDE N 4. INE CONTRAC70R SHALL RI ALL UTILITIES,COORDINATE INSPECTION AND STANDARD PROCTOR IN AREAS EXCAVATED AT THE BUILDING FOOTINGS FOR —NCRETE BEHINDLURE TESTING WITH RIE APPROPRIATE AUTHORITIES PRIOR TO BACKFlWNG UTILITY SERVICE ENTRIES. SN. TRENCHES PAR111 LIT .ENE '. �,lICv.DISCONNECT MOTIFS' PA , A CONTRACTOp TO COORDINATE WATER SUPPLY " NT wLiE OH Ou1GX DISCONNECTS WITH IRRIGgiION POIT IOCATIOnOESCNIPTION OESONNIAWNSMNDSCAPEpgREAS TO BE GREEN. T7 li NS,Y,:. NNc oXSAT TVER—E bOXINPAVEpgREAiO bE COLON COOHDMATED IRDN ADE,:wDE RADIAL E W iH sVRROVNDINO PAVING, HEAVY DUTY HEEL PHOLF OXES Tc BE OLDCASLTE MODEL FL1x COMPOSITE t•aC'WRENO OR APPROVED EQUAL. Ja EHTEHLNE HADIu9 STAND UP CURn HAGItl t C TRENCHORAPPHOVED" Cgsi TRENCH Nnosn°)Y) TR'NCH ECTION NtlUG"IS1n1 w N N ER TD DETAIL THIS SHEET REFER TD HEADER Nnub)u%o5 RT T URAL WITH PVC OPro NPPES 40t _HA I'r III ilq yl•' 2i......- 1 ND ATS CCFHnI.,TRENCT REFER 04UR ° I AINJxa•ac DEND I an4 .a•ac°END T NYS+ 7 a. ��'6' - C am NCB')Nw.0 yvr BEND ., � 7 1.'F' Y T7 1 -.f 1 � r 3 Q) I —H—P— 4W I - i f s !-" T` �� - aw NNnnTnU"UJ Q O E]nwYY n, '°d �T( •^ _ 'YDmeR^�i. eimmeuaT m°°°°ss a p �' Nnus)Ysa YJ ,CS J NDHDNboX yf C2.11. a C r--U. NtlY a+,2 ° 1 ''I �f - �� � 1„I I��rT i(If4' ii� "x I I Q) w•n• N I nnz Ee„ DEN T - II 4 q n, ry r.l ,J L i -{ b 1 {i{` ��' "rs all�•. .:om "0 I f— ,°, Ntlnb)n,N,° JW]°�DEND ,wwsu - '�� L.I,.� 2�7 rt`a�. ti � I.. �11��''w �,. 4D•NGP ° s"T 6o-A���-� J Em I ., toHLI Eci i�''t.�„�;"�-� l�T" ' \ III �C `I i t � ? 4Y Wa1 � X N i i i i`, 19cP ( ' f,n T �1 im=M Lt sl r` , F B I 11 } I W �� y .. � ".- PROP �--- LOLLEciION HEADER � �) 1 rtrift �( hNtl� It}yIs yT�r aql ]]E se wTHu cownPPEs d wEp 1 6 Wu. S Aro ,.III '11 r tl a t. r7 Li I 11. ." ; b ND 0. Es b F - -'"' 4 T]] j 'I Q PDS HOPE VNOENLNDUNO DETENTION TBAN AR ,w viii r^ 1 1 I � ISSUE 1 v. ,1;.._T .,. ¢.. ;..�,I a"�kp 'rI $'Q. f IS Olt iyE,;{,rkl.`fP t1i. .ro I(6�(�f INaTALL9D51 LF OFI WATER 11111 f '$ ., IFj` %' wiHll.tKCF GPACTY (J��G ` IN APPRDVEO EQUAL r OAtlTE: NOTES '. OIL-COITECTS PIT, Id „p ` �! lFTar a L g iI R fI � W m4lo-b116 N WATER NE BCE,Z REDu6s ro HAND 9s9 I l h. ill1114116 4 � M _ IT lilN 2YrN1r RE `7 i 9I LI Itl,m^y�,,lNlr - Ji f g 7` p�ILKEI �I FIRM817 s NE-Ty+ � I 1 �P ° �I }�� '�d71 yr1' � I�� a '/ti, r i/ �a + I a i�' :.-.•'e-- _ .::::,__ I�.�.-'---,I�, L,�,..� s�� 'I� "I 9_ _D - ��yl T,ICE rnY 4 6H k F t W th Tax 76109 017 921 2 11 W LANCASTER AVENUE OxiF"'`°" rF G Pq . PAVER GEHwNh RUNDLHDRAIN coFER10 DHA ��� LEFE—oFUI"�ica.a LEGEND DFLDIAE DN "° EXISTING PPaPOSED EXISTING PROPDsco DOMESTIC WATER LINE WATER VALVE D-a r Ano F44 wN SANITARY SEWER MANHOLE —••� --�— r{Y, y R 3 S I FIRE HYDRANT -6- � SANITARY SEWUTILITY PLANER CLEANOUT—••{�— p GAS LINE Gn¢ OVERHEAD ELECTRIC -_ __ INN N 09/2]/2018 KPARN IPPICATION CONDUITS RH UNDERGROUND ELECTRIC V TIO IRRIGATION CONTROL VALVE © © UNDERGROUND FIBER OPTIC FO 0 40 30 120 1 a0 -J 5,%A PVc =[I_ W-A 12•PVC Ci 5.1 &� SANITARY SEWER LINE —••— STORM GRAIN UNE __ Ib . GRARAPHIC SCALE IN FEE7 ,LvmWT DIDtY Yi TRDY WtlNmtlxt qlW R1.C.iRPEP-ItWe�TnH3 tn,evaY ....TM-rJ wPbvY�e N+TMi b=m1nMl"poi oiiMeMi:4'bv'•DH'Y;nne LP:P:G NwnaiA):'.n DCry/la-MI�olMn ul'o-bW:A tl. nl-�lubul-Arw�r nbUnubbon- twean:WMM'::vn.r m'ellw::i n°x N:T::o [nelnA�Ino Provtlo:'Ael --..... .........._.. ...... .......-.. .-.. .._. ..... �� l-1FI� NNEN M IN No IN Eli NONE El NONE MEMO NONE 0 0 EMEMEM No Eli l tt a � j �I oY r•up^r In� �• u.:o'r.P.•w�uaM :I h11 FF 111111F-------- rZ aMF T "' PPOFl c 4Fw-ccauc Z Q� au.v v v etitirim I I v uuamr P N NFw EMBEDMENT FOR SANITARY SEWER SENVICES i]OS tO•D202 �Il't FiF FGHT WJN1H,tExA> - '•- _ -. STORM DRAIN MANHOLE FRAME, 3]OSu1]-7 i I COVER AND GRADE RINGS r- 021 ' 0) Q) �xrWo�xnJ Q o T �� 2•ER BOX (1-Tr 2-CONCRETE iy j Q) METER 80%(1•Sy&2-INCH METERS) ]7112 tY�D11T � n 14, O O ommmm , ..` ';, FeM ^.'Ince a• i N O L uu �W�-124NCHA IlI„ ..I; 1, ++.11 I)IVFiN0 SMALLER ]30510-D101 - ISSUE I DALE: NOTES' . COF N l 6EIPd F W41L 6�1u O A :a•1 An IFOI rFE rvxlT iOftJOx xrvGN ofr/mo yUllauc6 L: 1 4 w Ic— ... _ c-MNDW N EPI[uLN _ —• I• FIRM817 tecbE. da i f9rt .rth e A—.. 761 a'xFFweN x uNuu N s e r`l�•' 17 921 , au 78109 PIAN SECTION&B Si7-921-21 1 F r ff Et Lnl I un v r �' r r '� _^— !•--..� - xa'SOIAll011 ar 4 2 m'EFPIJINT � + 5T si,i 11 APR.'I6 4KPARK ,w Wim- $ ✓ SECTIONAl UTILITY UEigILS oxTWoxr u° I•. w^ oxTWoxu 6 JUNCTION BOX - zl, SANITARY SEWER SERVICE 73 it SL-D214 t`y d 2-INCH WATER SERVICE 3712 t0.O712 N wn " -i. . 0 C5.3 i'' 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 underground detention facility storage volume is reduced by more than 10%. 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 underground detention facility. Disposal shall be in accordance with federal, state and local regulations. The grate inlets and collection trough shall be inspected weekly for debris. The grate inlets and collection trough shall be inspected daily during the months of November through May. The grate inlets and collection trough shall be inspected daily any time conditions cause excessive leaf droppings such as drought or autumn. 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 and silt, litter and debris removal dates. • 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. EXHIBIT "D" Stormwater Structural Maintenance CHECKLIST FREQUENT REPAIRS REPAIRS INSPECTION DATE REQUIRED MADE NOTES Remove Trash and debris Violations Noted MINOR INSPECTION Amount of silt in collection trough Amount of silt in 'unction box MAJOR INSPECTIONS Condition of underground detention facility