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HomeMy WebLinkAboutContract 63134Date Received: 4/21/2025 Time Received: 8:02 a.m. Permit No.: SWFMA-24-0123 City Secretary No.: STORMWATER FACILITY MAINTENANCE AGREEMENT 63134 THIS AGREEMENT, made and entered into this 2 day of A 2025, by and between Blue Mound Stone Partners. LP. acting by and through Matthew MacConnell, its duly authorized Vice President, 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 Lot 1, Block 1 of Spencer Business Park, a subdivision in Tarrant County, Texas according to the deed recorded in Document No. D222006701. 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 Murphy USA #5623 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. 0310112022 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. o31o1l2422 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, fail 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 Cleric 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 21st day of April 2025. CITY OF FORT WORTH LANDOWNER Blue Mound Stone Partners, LP a Texas limited partnership C>� By: MALOUF INTEREST, INC. Jesica McEachern a Texas corporation Assistant City Manager its general pa ner City of Fort Worth nn Date: Apr 18, 2025 By: Matthew MacConnell Its: Vice President Approved as to Form and Legality: Date: Contract Compliance Manager: Matthew Murray Senior City Assistant Attorney By signing, I acknowledge that I am the City Attorney's Office person responsible for the monitoring and administration of this contract, including Date: Apr 8, 2025 ensuring all performance and reporting requirements. p O��OR>q�pa ATTEST: >,o°A Odd lCan�frce Me��rcl� Kandice Merrick (Apr 8, 202516:14 CDT) as°moo 9'♦d Kandice Merrick Planning Manager Jannette S. Goodall Development Services City Secretary Date: p A r 8 2025 Date: Apr 21, 2025 OFFICIAL RECORD CITY SECRETARY FT. WORTH, TX STORMWATER FACILITY MAINTENANCE AGREEMENT 5 Rev, 03/01/2022 BN STATE OF TEXAS § COUNTY OF TARRANT This instrument was acknowledged before me on April 18th, 2025 by Jesica Eachern; Assistant .City Manager of the City of Fort Worth, on behalf of the City of Fort Worth. ------------ p0.�PUe KATHLEEN BRADFORD a Notary Public +®+ STATE OF TEXAS Notary I.D. 1214 7197 9�oF' My Comm. Exp: Apr. 12, 2027 LANDOWNER STATE OF Z'xe'S COUNTY OF T2Ai <[ti.3 K a Notary Public, -state of Texas M BEFORE ME, the undersigned .authority, a Notary Public in and for the State of op this day personally appeared G avr�_ 1 (name), V: f .cam (title), known to .me to be the person whose name is subscribed :to the foregoing instrument, and acknowledged to me that he/she executed the same for the purposes and consideration therein expressed, as the act and deed of A & i p 5 kors- �Gtr ► 5- 1-1' (entity), a XI s ovfq� (entity type) and in the capacity therein stated: GIVEN UNDER MY HAND AND SEAL OF OFFICE this o day of /���� , 20 --- Notary P'c, State of JOSEPH ASKEW 'e My Notary ID # 130226940 Expires June 19, 2027 $TORMWATER FACILITY MAINTENANCE AGREEMENT 6 Rev. 03/01/2022 9N EXHIBIT "A" LEGAL DESCRIPTION STORMWATER FACILITY MAINTENANCE AGREEMENT Rev. 03/01/2022 BN DRAINAGE EASEMENT 0.2205 OF AN ACRE TRACT SITUATED IN THE JOSIAH WALKER SURVEY, ABSTRACT NO. 1602 CITY OF FORT WORTH, TARRANT COUNTY, TEXAS A TRACT OR PARCEL CONTAINING 0.2205 OF AN ACRE OR 9,606 SQUARE FEET OF LAND SITUATED IN THE JOSIAH WALKER SURVEY, ABSTRACT NUMBER NO. 1602, TARRANT COUNTY, TEXAS, BEING OUT OF LOT 1 BLOCK 1, SPENCER BUSINESS PARK, AN ADDITION TO THE CITY OF FORT WORTH, ACCORDING TO THE MAP OR PLAT THEREOF RECORDED IN CABINET A, SLIDE 5953, OFFICIAL PLAT RECORDS TARRANT COUNTY, TEXAS, (O.P.R.T.C.T.) ALSO BEING A PORTION OF THAT TRACT OF LAND DESCRIBED TO BLUE CENTER, LTD., IN SPECIAL WARRANTY DEED RECORDED IN DOCUMENT (DOC,) NO. D200138247, O.P.R.T.C.T., WITH SAID 0.2202 OF AN ACRE TRACT BEING MORE PARTICULARLY DESCRIBED BY METES AND BOUNDS AS FOLLOWS, WITH ALL BEARINGS BASED ON THE TEXAS COORDINATE SYSTEM OF 1983, NORTH CENTRAL ZONE €NAD83): COMMENCING, AT A 1/2 IRON ROD FOUND AT THE SOUTHWEST CORNER OF LOT 1, BLOCK A, BLUE CENTER ADDTION, AS SHOWN IN THE PLAT RECORDED IN DOC. NO. D216158829, O.P.R.T.C.T., ALONG THE NORTH RIGHT OF WAY OF WESTERN CENTER BOULEVARD, AS SHOWN IN THE PLAT RECORDED IN CABINET A, SLIDE 5953, O.P.R.T.C.T.; THENCE, OVER AND ACROSS SAID LOT 1 OF SPENCER BUSINESS PARK THE FOLLOWING COURSES AND DISTANCES; NORTH 89 DEG. 16 MIN. 28 SEC., ALONG THE NORTH RIGHT OF WAY OF WESTERN CENTER BOULEVARD, A DISTANCE OF 107.96 FEET TO A POINT OF FOR CORNER; NORTH 0 DEG. 43 MIN. 32 SEC. EAST, A DISTANCE OF 13.26 FEET TO POINT OF BEGINNING; NORTH 89 DEG. 16 MIN. 29 SEC. WEST, A DISTANCE OF 64.13 FEET TO A POINT FOR CORNER; NORTH 0 DEG. 43 MIN. 31 SEC. EAST, A DISTANCE OF 24.25 FEET TO A POINT FOR CORNER; NORTH 89 DEG. 16 MIN. 29 SEC. WEST, A DISTANCE OF 20.26 FEET TO A POINT FOR CORNER; SOUTH 0 DEG. 43 MIN. 31 SEC. WEST, A DISTANCE OF 9.99 FEET TO A POINT FOR CORNER; NORTH 89 DEG. 15 MIN. 7 SEC. WEST, A DISTANCE OF 23.13 FEET TO A POINT FOR CORNER; NORTH 0 DEG. 50 MIN. 23 SEC. WEST, A DISTANCE OF 136.44 FEET TO A POINT FOR CORNER; NORTH 29 DEG. 9 MIN. 37 SEC. EAST, A DISTANCE OF 1.96 FEET TO A POINT FOR CORNER; SOUTH 89 DEG. 16 MIN. 29 SEC. EAST, A DISTANCE OF 58.68 FEET TO A POINT FOR CORNER; SOUTH 0 DEG. 43 MIN. 31 SEC. WEST, A DISTANCE OF 120.37 FEET TO A POINT FOR CORNER; SOUTH 89 DEG. 16 MIN, 29 SEC. EAST, A DISTANCE OF 51.61 FEET TO A POINT FOR CORNER; SOUTH 0 DEG. 41 MIN. 58 SEC. WEST, OVER AND ACROSS LOT 1, A DISTANCE OF 32 FEET TO THE POINT OF BEGINNING AND CONTAINING 0.2205 OF AN ACRE, OR 9,606 SQUARE FEET. FIELDED BY: - DRAWN BY: JL CHECKED BY: SS JOB NO. D56745 SHEET 1 OF 2 RPLS No. 6599 DATE: 10/31 /2024 REV: 12/02/2024 W I N D R O S E REV: REV: LAND SURVEYING I PLATTING 1760 S STEMMONS FREEWAY, SUITE 180 1 LEWISVILLE, TX 75067 1 214.217.2544 REV: FIRM REGISTRATION NO. 10194331 1 WINDROSESERVICES.COM (!DNORTH SCALE- 1• - 40' 40 0 40 1 LINE TABLE LINE BEARING DISTANCE L1 N 00'43'31" E 24.25' L2 N 89*16'29" W 20.26' L3 S 00"43'31" W 9.99, L4 N 89*15'07" W 23.13' L5 N 29"09'37" E 1.96' L6 S 00°41'58" W 32.00' RPLS No. 6599 DRAINAGE EASEMENT 0.2205 OF AN ACRE TRACT SITUATED IN THE JOSIAH WALKER SURVEY ABSTRACT NO. 1602 CITY OF FORT WORTH, TARRANT COUNTY, TEXAS h S 89'16'29" E 58.68' M 3 i� N O O iA GENERAL NOTES 1. SURVEYOR DID NOT ABSTRACT SUBJECT PROPERTY, THIS SURVEY WAS PREPARED WITHOUT THE BENEFIT OF A CURRENT TITLE REPORT OR ABSTRACTORS CERTIFICATE AND WOULD BE SUBJECT TO ANY AND ALL CONDITIONS OR RESTRICTIONS THAT A CURRENT TITLE REPORT OR ABSTRACTORS CERTIFICATE MAY DISCLOSE. 2. BEARINGS WERE BASED ON THE TEXAS COORDINATE SYSTEM OF 1983, NORTH CENTRAL ZONE. (NAD83) 3. THIS EXHIBIT DOES NOT IMPLY TO BE A LAND TITLE SURVEY OF THE SUBJECT PROPERTY AND IS NOT INTENDED TO BE USED FOR TITLE CONVEYANCE PURPOSES. LOT 1, BLOCK 1 SPENCER BUISNESS PARK CAB. A, SLIDE 5953, P.R.T.C.T. BLUE MOUND STONE M PARTNERS, L.P. Q DOC. NO. D222006701 N O.P.R. T.C. T. 3 M o DRAINAGE EASEMENT / u) 0.2205 OF AN ACRE/ 9,606 SQ. FT. / S 89.16-29" E 51.61' L2 L4 \ O.B. I /�• N 00'4332" E P.O.C. \ N 89'16'29" W 64.13' 1/2" REBAR 1/2" REBAR (C.M.) C.M.) WESTERN CENTER BLVD N 897628" W 107.96' VARIABLE WIDTH FIELDED BY: - DRAWN BY: JL CHECKED BY: SS JOB NO. D56745 SHEET 2 OF 2 DATE: 10/31 /2024 REV: 12/02/2024 W I N D R O S E REV: REV: LAND SURVEYING I PLATTING 1760 S STEMMONS FREEWAY, SUITE 180 1 LEWISVILLE, TX 75067 1 214.217.2544 REV: FIRM REGISTRATION NO. 10194331 1 WIN DROSES ERVICES.COM EXHIBIT "B" DESIGN PLAN AND SPECIFICATIONS STORMWATER FACILITY MAINTENANCE AGREEMENT Rev. 03/01/2022 BN I III 1` �o u� III �3851• IAr Qp� II ICI I W� CE , R1o.O0• /F II 0 F- IIr 1u Z DO II oil d I� U II II W F- w �m J mQK I I �< n I , 'p""'I"IN DN7 DRAINAGE EASEMENT BY DEVELOPERS III T I PROP, 1V SANITARY I WEO CENTER RDAO ION SEVER EASEMENi�—I OOC. N0. DTOJ]]2, P.R.­.RY OEEIGPER 220J BIAIR VPLK BLUE OUND DOC. NO. D222158605. D.R.T.C.T. M DOC N0. D22200622006]O1. PARTNERS, LP DNTCi SOMENT 353]' R1 OV IsE 12.63' Nc is N SS i SPENCER , PARK CABINET PG. 5953, P.R.T.0 T. 4600' moo DP'NEFP D'--RG MOUND 1. D.RRs u= I Doc. NO, Dzz2ooe]01, D.R.T.c.T. I I I 2300 1�230 p1 r9u 1-OP. FIMi�-. -I--2fi 9.00' DETENn.T 1 1aa s NG Y/ EASEMENT �L� I I I I I�za oo���I slaws) 1g I \ PROP. PRIVATE DETEN110x-1 AND DRAINAGE EASEMENT �(TO BE ABANDONED) I PROP 15 DRAINAGE EASEMENT BY DEVELOPER - ' o _R8000'— J ®'III R=9D =��ROP PRIVATE DETENTION LF6B•25'3Y V I I L=138.90'� ' II I OR- 45OS40' W \ j I 520 D%\\` \ a T� o o > —OHE�j= EGgr`—OHE—OHE— _ I � I a 6 `a ev CAUTION NOTICE TO CONTRACTORS aPL.TE TO. 1EI—TEI AL ®11 OVERFLOYI INI£T�� DO LDND -8 9 sG,000 so. PT. nx END —ss— R3D.Do' %" P ISS 40 OS { I15 O¢. P.R.TC.T. 18 ac 000 r II II 500'� O O I N �_ 1 P 180 • 8.52' 4412. �I i19' i 3� 26R24 SL D 6517* n.e f l I m®R 6� - 71 I two o-o SI g I I m� I I I I � • r I I r1 I I I I I I I II R.L. CAB A SLIDE OE 5953, PR.T.OT \I r a �yaa R000' _r EAREMENT rS ONNOtt 1615GDG 1P.R.TC.T. — 1 \\ 6 SI WESTERN CENTER BOULEVARD (VARIABLE WIDTH RIGHT-OF-WAY) NOTE: NO SAVED OR PROPOSED TREES ARE WITHIN THE SWFMA BOUNDARY LIMITS. PRE -CONSTRUCTION IMPERVIOUS SITE RATIO (ISR) AREA SQUARE FEET % IMPERVIOUS (ROOF AND PAVING) 10,170 20 IANDSCAPE AREA 39,830 80 GROSS SITE 50,000 ,00 N L THESE DRAWINGS DO NOT INCLUDE COMPONENTS FOR CONSTRUCTION SAFETY CBK 11A1 AND PRE6ERNE Y ANG ALL DNDERGAGDND DTILITIE6 CaAPHIOC SCA 10 �._. 2:0 1 INCHca BUILDING SETBACKS: STU1111 TONOFENGOM A$$EGTHE ENTIRE WORK AREA, IRE DETAIL2P1 cONTaAOToa TO EISVIE THE IOHT P—R ANI GIGN11RE AT THCUFAT.PRFLIGHTPOLEVEES_NE ZONING: C # (COMMERCIAL) GOF TM SEE SHEET C-0.2 FOR BUILDING _T_ .xE O sm+ _IIALOS wx,ow u�w�.xax �E xE llrr PoLE ROOF AND CANOPY DRAINAGE PROPOSED HIRE AANY STATE REG_ERED LAND SURVEYOReuxoxo TO E—LIGH PROPER— ONSTRUCTION LAYOUT OCORNERS CANCIPY, — AS aEIIIaEI EoaNO axry Lxo x�m au NE AATE NOTEw isSsmrWrncsxo wve ur�ssorxsvwiss rprm L.TOO IV Or POST -CONSTRUCTION IMPERVIOUS SITE RATIO (ISR) AREA SQUARE FEET % IMPERVIOUS (ROOF AND SSmS ]t PAVING) LANDSCAPE AREA 14,745 29 GROSS SITE SO,000 1O0 O vrs ran ru0 N,U_ Nralnx.x cen mx OU 1. zm NxE PARKING INFORMATION: GESCRIPm xc I RO EUREI NGSRUEUTTATIIONON , S I RE,MR DNGERGANo1 PY AGCESSI9U TOTAL ;" P GE I ,N9,6E IRE MR DN a PY AG 1 TOTAL No O—EHIC� EUEUNG POINT6 1. TRPE SFRAFION 1,_r�-99" w3 -'�E'uE-1-1 l I °yt E3 s nsaeT?` I meSs`EONPL ENDnSA V✓' SHEET C-3 II II �I i�IIIi IIIII� __ ggD— PROP. 15' SANITARY SEVER EASEMENT O BY DOELOPER 1 I x PROP 15' DRAINAGE SEMEi N a BY DE BEER I� ® G e _ O MT„R50.D•� CB= 45W'90' W � — OHE — —\< � 3-`—OHE —�AS"— 6 I� 3 eR u� CAUTION NOTICE TO CONTRACTORS TIE CONTRACT- IS SPECIFICALLY CATTIONSO THAT THE LOCATION XNEEEHR F—HON I.SSIT..L., Ty EAS—ENT. TAKEN IN THE THE INFORMATION 1. . BE QE RELIED ON AS BEING EXACT OR COMPLETE THE IFLOCATEI PROPOSEDI IL WESTERN CENTER BOULEVARD (VARIABLE WIDTH RIGHT-OF-WAY) NOTE: NO SAVED OR PROPOSED TREES ARE WITHIN THE SWFMA BOUNDARY LIMITS. 67 w L/ `^ ""' "" 5 —ITY EASEMENT E%. 666.98--[P.R.T.C.i.D21615Be29 TBM 1 eGiXcpo PS.IGNATELYS FEE SOU-sTaRA ANOTHER �eBM2Nefie Tz ETE FEET EWEST OF A LEVATION OMIEC IC LE PPRD%IMATEEYTM FEE; pw�LGA""NaSHALL BE—E. it SEE SHEET C-4.3 FOR BUILDING ROOF AND CANOPY DRAINAGE , 6BB83 _ -00K �i G 688 63 DUMPSTER ENCLOSURE DRAINAGE THESE DRAWINGS DO NOT INCLUDE COMPONENTS FOR CONSTRUCTION SAFETY Z BY IS FA TIRE TO 1-11 LGOATE AND PRESEROE r AND ALL UNDERONGEND UTUTES Z IW= sI GRAPHIC SCALE 1 INCH 20 FEET EXISTINO TRPE "_cRMI-raSTRATONws�6.. — — .F mxraw ure wieisvArwx wei "F X umm wLF eSszDNPL ENe� SIOo PR M—FAH.—H MAX GENERAECRA INGNOTES RaFasm sroRMPiPe c o =ASYEM—TX"ro REouI_wcr FiFio �osnnon or uriuTEs zRou"s o ; AS oaooR,A T F.aR N„ wE , HPF F_ N THE AR, Ec. M_ F d =N"DToaISFI sn.R>a _HTRH,Ess TRERAS oSEiRoio„® RFTF FiRF NERD eH Fw. Nay. FF r.FF 11 AAF�RO N >B �N�ANRFR SIRS HPl TYFF �,o�HTs ❑ Ty _UL �S— sRaR� ,REAR EE —FL— SIl -1— BRA— sRowN GOeF z w � a auagrp SET u,o � w (D d F Z M. I ax*acxuie"ewR P—SASH DFOTP EFAA— u- III ED BE 3 aunoxsarvowwrrFaoTe< EiEvnm"s HN-To Do (D W K Fu,Riw."II eeT 3 p p GRAOINGNOTES � E AID RA��.FHTRNw�AL Han I—R.—PTRENITH oo S. SHEET C-4 FOR REFERENCE ONLY (NOT TO SCALE) GRA HIC SCALE UlGE" DRAINAGE AREA AREA IN AS �-FWW FOR DRANAGE AREA IN I— —1—NAGE AREA BOUNDARI FILMIDPLAIN NOTE A Aau ,ZA Rg. "T, "SEE NOTE 1. A. NOTES FOR DPNNAGEARFAS =2 "PT`B=E MOUNDS—I'STORAGE PREPARED BY COUUMBUS DESIGN. Napo==, V 9 C_cO,AUTION—CTON NOTIlg,,�J� TFF �(V, IrJ J)J 1ATIll A"1111 IN IS. HESE =1. OF EXISTING UT N "T'S AS S."O'"Ll'" T..FANIFA AN., —PRE —AN— UTI TIG RFG.'.B OF` POSSIBLE, MEASUREMENTS TAMN IN THE FIELD THE INFORNATION IS G.TNT 0 A. CETG�EL. I ED ON AS..,E I NT.LEXAGT ON R -Ro..PLE. IN E THE ON CALL I A PAR U P P , AN, To' " "T I LOT, OF T UTILIT It ATLIO.N E EST.E FLETI ONCS HE ES IT -A P TH P HE- N.I., I , .1 THE NTRAGT.R 11=1,A P MLP IN I ON IT IPITH HSI R'N'T GN'T'S"S`H'O �N' C -CT AT N ON HERE L As < H < z K z D, 0 W SHEET C-4.2 THESE DRAWINGS DO NOT INCLUDE I COMPONENTS FOR CONSTRUCTION SAFETY Z II I IINTFTGOR, DN O HIM',- N PRz� I � LU STORM DRAIN NOTES LL UNDER�DDND UTILITIES 690 a SANITARYwEOCENT ROAN IAr O BE § PROP.15'ASEMENT B OION 2 GRA �0 ONSTRUCTIONOFOR"ISE ANOITIONSANDOJOBSITE SAFETY,�Q �P SEVER EASEMENT p OOC. N0. D220JOJ]]2, P.R.T.C.T. wCWDING SAFETY OF ALLCPFRSGNS AND PRDPER-THIS6� I. 3 BY DEIELOPER L� 0 {7 MAIN EASEIAERTWA" CO nON� t IrvcH=20 FEET `HYARMtF3 E• �� Vtt 9016. PG 62T, ORT.CT J// v BIAIR VPLK DEFEND A.CII "O pOC. N0. D222158605. D.R.i.C.T. EERFROM ANY CLAIM II 11p RUP PRIVATE CETEN REMAINDER OF 4n DRAINAGE LEGENDIF TMDAv . PROP p,� I AND 11 NAC£ EASEMENT BLU OUND STONE PARTNERS, LP 16 IT MENT EA NON.HAFTFF NGTrvTAaCwTECTArvD . 16 BY DEVELOPERS N0. D222006T01, p R T C i SEWER E t OJECT THE w BY C_FNE-EPER DOC NO 20.TDTIT2 ER As ADODIDNA1 INSURE P.R.T.C., . T 0.35 acREArE %soR01 HIS INSURANCE II �Aoi Ow,wAGE Dlvhpe : FOu INS.1NAEOFIHEPFOFER11-FREE RM R 17RATION -DIRECTIONITIERI E6RAREBHowNBA6 R BYRECORD DATAANDMAY's3RE- THE ISTIrvc cONrouRs u _M =_ - �.{ �• vb'W� ND INLECIATB A! /- sS- 31 PROPOSED CONTOURS CNDARGROJND u�PIn sNnNDESB.VLI'.NSIRGTHEAIR OF r ODATI. rvDDEP1HPRIDRTOSE wGArvO FINISH GR DE 15 SAN Dx. ND z i515ee9 s. °Fsst3a �N6Ei_ I ALL VA„ONINTHE CHATE � ° VICINITY OF ANY UNCERGROUNDUTILITY II 1 111G-ERDDNBTRUC DN NBANDDEAILGFDR f . saa oCA m `llI p�3£ III 1~ 1� osoREs HE CONTRACTOR SHALL CONIPLYWITHALL BUILDING CODES -t1- ,00 ^Y d sD,DD '� T----__� sAFETr CODES AND OF REQUIREMENTS m ¢ THEN FOR THE IN Q LL III I I rul RCFWIND 3 cealxnAd so`ax.TCT - I FCONSIDERED TRENCHEO. m �•��� oO \ RNNOI I�_ __I__ roi. aR16T \ �I I O yj £III DE FF=fi66.50 Fa go _ uE aIT Zwd i1i I aMs i2,�S j �sr w^ SE CE Gj II _ - o.za T xEIO I m _� O �Id I'% I- _..__=- 3 A' yea rl REGISTERED IRIEEISIONAL ENGINEER EMPLOYED BY OR II cy �i AlPRIATE �jR �`�.0HRRACTE. BY ­ GGN­NCTOR ANY SHALL BE L11F� II OI l �I I__'I- 7 ■-I I i �y52'i OTTOI _ A J y Q \ �ROEIEN1 N �� � I INLET �54/ r I Co ED PAYBID. THE FOR TRENCH MUST CONTAIN TY A SEPARATE UNIT PRICE - mLL� ��II = -- 4 �I m e �< I a \ E PROP. PRIVATE DETENTON- - • I NOTNOTEDNONTHESE P=IUIE 1ITYSPECIIORTWORTHARE o� AND DRAINAGE EASEMENT 6 STANDARD SPEGFlG.TIONS FOR DESIGN AND CONSTRUCTON 3 'r7l\ (TO BE ABANDONED) E • INLET J I S II 1 INLET D I o a PROP 15' ORAINACE EASEMENT ¢ PROP. PRIVATE e.� I BY DEwlOPER DET ENTION • �. I I `a I o ` \ ' _ `r EASEMENIT . _ I \ UNDERGROUND - 9 \� 0II9D.OD' L DETENTION g II G�e^1�,•5'3Y ` PROP. 24' NREIANE AND 0.03 .2 L-I�50.90' PUBLIC ACCESS EASEMENT -¢`z4j ` DE R.L. \\ rc CB- 45 4Q• W BY DEVELOPERS �fAAB A. SURE iRENNH ` \\15' JILlTY EASEMENT 1 I _ _ [DAIPOeR[RUMdFL09li0lIR G![ll1Ai101[S o d V RN` NA - -- - - - INR r.N 0218150829 U+ilnaBl AFw ImpeNivus Area jFFA2)I IIDpeNIw AIRIq[AUj C•WIyO �4+w;nus Area jFFn Pwrvi-AT9A[AC) C•Valw CpmpvHEV C-WIMCI ¢ ss = ___ 1 1.2ca um u9v 15. s 0.14 am BUBB C 9 a �\ `> ILOTI Ts' U111 EASEMENT N B91ne w \\ s e9Trps E - f _ I li,Rl 0-28 f ❑-9q D avv D-1Q D9D -ONEEGgr`-_OHE- -CAB A, SIDE 595J, P.R.T.CT. 24.20' SL -- _OHE- _E- -DHE- 3 1,769 D.IS 0.90 0 ¢.00 ¢.30 b90 -easy__-tip- - -oHE- d =B=-- a 0-99 1,56a 0.0a am 0.7Ai --_--_-- _--------__-� GAS- ___________________� s s39 IIAl v-x 9,669 0.01 E3v a3s 6 _ G" au l _o.so I s7 OA2 am JJ o_as WESTERN CENTER BOULEVARD �•�' t ago ¢ a,00 aad�s&� a 3 (VARIABLE WIDTH RIGHT-OF-WAY) 9 49a DA1 ate, 3,001. 0-O7 0.30 t138 ug m SO, a Tpol• 33,'.991 0.76 0.90 e,19 Q.19 Q.30 LLTa_� ¢ w LL •EUJIUdES dra Rage area 1 whkh Is lb p ss and not [REIMdtd ID the detenUDII GakMlabOMS. w ¢ x r Of 6 I MWPCIVICN IAAr MIA MM DFL[VIATIMI O w 3 eI dalRahte AN,. ID Acura n C-YYaA• r„•. Q. fdIlp I,,,. 11,,,•.,uw 1,..__ D.,", Ida DWa 1; w y I 1 D 1'1 19 D MD W.06 ¢28 S.TA O.aD 9.2A asl Sheet Ilows m aWacent roads 3 O es I 1. Q211 10 0.90 l.pE 1.03 11- 1l5 92A 2.3a Shee[ News tq elvs[JnI (Tate Inlet 0 Q31 10 0.90 1.06 0-MO 5.74 0.5E 9-21 0.91 sneernews rq �nom Mre:rrstnen m Mn=enmMne ae4entmN a 0.15 10 Q.ifi 4.06 O.eT 574 O.E1 9-24 LOT Sheel Nbws [D prAMOse= lRou, Teal[ A CAUTION NOTICE TO CONTRACTORS I 6 a. 10 0.38 1.U6 0.15 I. C.21 9.2G B.31 sheet news ED nrpbDsee vote 7nlete I Q1E i0 0%9 1.06 0.58 S.lw O,SI 9-2a 3I Shee[ ryew. o�rebe..= I a e inlet C TH oNILI— I 1 ¢0] 10 D.90 4.05 Q]a 5.'ll MM 9-26 0.54 SMWL Rvws Ivrppr dTAns than W M." In{III p I W OA3 10 DADS 4.06 a.1v S.il 0.15 9 2M 0.2A men bows D. brgoosee tJenen =rain .1LETE THE NOTE: I 9 ¢011 10 0.3a 4.06 0.13 5.'ll 0-18 9.2M 0.29 meet howl. Dtvposee !tale Rut ❑ SHEET THEPERRTHECINTYNO SAVED OR PROPOSED TREES ARE I Taw: las x62 PROPOSED IMPRovEM ENrs sHowry ory rHESE PLArvs WITHIN THE SWFMA BOUNDARY LIMITS. •ihhs-i. Ls mr MldNldual-pn[sta[-wwa for each drainage arw. ^-4•3 114� �— Irk PROP. 15' SANITARY SEVER EASEMENT ICI y s' WA' III-'1 BT OEl£LOPER I / Va 9016. PCMSCI, . R EWi l .a. l �I Q 0�L II 1 PROP. 15' DRAINAGE EASEMT O 2 II BYI DE4ELOPEREN Lub w�� n \ J K¢ II I �1s1 T E�a - m LLK II I DR FRI- EASEMENT DEJE-BLU OUNDMSTONE PARTNERS, LPNASE YD BY DEVELOPERS N0. D2220O6J01. D RTC i 1 SEWER EASEMENT P.R.T.C.T. 22 90 D\ D PP ?6nB�� Y C O O T-` _ SPE Lt 48 AGRES PARK1 CE 1 BLOCR 1' CABINET A�RPppC�.pT59535P�.T.0 T.( F E� al nc unxun troutOF aemucx 1io /< >II I }} r 1 �J V P PRIG- _ N III j I ca _ LreD DETENnON EASEMENT ze c"x 7. 9D FIRPROF 24' E " G v I I 5'BJ'� LL-'m' M'N\ x PUBLIC ACCESS �68J E DEMENT BY EeB1� LOPERS -8Ji I I CB- 45D'40' IA O W _ 52C < w o 88DE - ION T F (REF DET IIS ON SIR C-4BATO C-412)E�_ e TI seo=oH - -OHE E ' _H EG PSG-I�o FA OHE- HEx Gas— —GaB— sa CAUTION NOTICE TO CONTRACTORS THE O.T.-H IS SPECIFICALLY U-TION- THAT THE LOCATION 11" OF E.,STHNG UTILITIES AS SH_N ON THESE ON -TE THE Lv 1BEFORE- TEH 1EL-TE1 AL N NRSRr2l SE-1 D¢ P.R.T.C.T. �° ! 1 i \ 2m,SFn.o I I Ii i �mgo • I 1 I sx To<. Rwu nscx IIREm.ouixcE I ss e NI.T 0' B.L AS CAS q `LIDE 595t C i N izww\ Y rr TILITY EARENNENT �11, �UTe09IS, ® 2a.2D' - - - UTILITY EASEMENT - �_ - -® S I q SIDE 595B, PRTCT'-� GAS- GAS a -"I-- WESTERN CENTER BOULEVARD (VARIABLE WIDTH RIGHT-OF-WAY) NOTE: NO SAVED OR PROPOSED TREES ARE WITHIN THE SWFMA BOUNDARY LIMITS. THESE DRAWINGS DO NOT INCLUDE COMPONENTS FOR CONSTRUCTION SAFETY I Z TBM 1 ETOPOFCURN UPOINCIN O eNAT. ROXIMATEI-YE FEET SOUTHWEST OF A TALL EINaLr eREETaTNEnsT OF A, 1EIRMTHEEDICT­ OFR I.ICTNGUTUT'SOR, N &4 PRA11- BY R At ANGW � T10, BM 2 Y AND ALL UNDERGROUND ununss FEET a 5� ELE nTIDN ...AL � RD11 I a ErT2, E El N I WITNBv.CNABPNunCvuiNISN. I Fall, SEE SHEET C-4.3 FOR BUILDING t INCH -2 D FEET ROOF AND CANOPY DRAINAGE I EXISTING rePERN R smAnoN RUxE O = -ucE b w -ucr 1 s - xE.irvr RHaxE / urLrvvaLE dpA e�sel sx mxroutL rt wiELEvnncx LUEL OPOSEO- 1x1�Ex1 o.E '� ��•111 s2i0NPi E�� vxovossosroRMvme ceTuisHEtTN nRF_Te NE,N�_T rnx MLE s .x rnE Ex�T r�T m HE 1-rE o xEsaoxsaL[ roxcomaLnxcwrtn a[RranwxcEcxnExwnsxEouixEoer�xA S xu wE Is vRE vwno N THE Aas. 11 NuxwE 0 r, TYPE .x�rTHE. oc - 9 sTunwaov[aFoanrM-+vP [m[xrsn ER _TE nE RMnN•,�W RowrtH 6OTM ° ^p .-LEETYPE 11 o 4 9--- xonrv[xoxtExun rc.�wnxln Aexansora+roiscxEvu�cv eunona srra+o N. TE,nlxrESHw,xEwRA•REn•ATH—E-LEF.H.I--III . ❑ 5 m� w a GRADING NOTES �wm w dUr K 0 ,so - EwsTI-AUFMEHT EIEVAnons DO ED F rtsaysAwcvru,o PAVNSEnT R-A, DO � 0 raADINC DerAICs DEGREE REND � 3 0 SHEET C-4.4 PROP. 15' SANITARY WEO CENiBR0A0 N +� SEVER EASEMENT ICI y n S. WA' I '� BT OEl£LOPER / OOF N0. D220307]]2, P.R.T.C.T. MAIN �EA6TDAENT� Va 9016, PG AN ORT.CT I JJ1//// BUIR VUK wF7DO J y m LLK r _< II I u I u I.I I, i , u J II 1 A\ PROPA15' DRAINAGE SEMENT i a BY DE OPER ®II9D ' `� G�ery�,•5'JY� II L-1'Z0.90' $I CS = 45C 90' W � \ 9 —OHE R —0 — � 3-`—OHE _ AS'� 6 a e; S� CAUTION NOTICE TO CONTRACTORS Lv 1 1EL—TE1 AL j� DOC. NO. D222158605. D.R.T.C.T. D PRIA EASEMENT BLU OONDMSTONE PARTNERS, LP INt02` BY DEVELOPERS N0. D222006T01. DRTCi 15 IT 2�WE,Z MENT P.R.T.OL 12 —6 — 3G— .i.15 SAN O¢.No rEMENT P.R.TC.T. II s O ' rl�ms'���1 Rwnxcm I 888� � I WESTERN CENTER BOULEVARD (VARIABLE WIDTH RIGHT-OF-WAY) NOTE: NO SAVED OR PROPOSED TREES ARE WITHIN THE SWFMA BOUNDARY LIMITS. 1P.RUTC.T�O216158� T THESE DRAWINGS DO NOT INCLUDE COMPONENTS FOR CONSTRUCTION SAFETY Z ALL CANOPY DRAINAGE TO BE O A MIN. OF 6" BELOW ALL PRODUCT PIPING •A Y�l, PRESERVE Y AND ALL _ER_ND UTIL_ y� p w CO NTRACTORTOVERIFYALL gagg ELEVATIONS AND CONFLICTS B 6 PRIOR TO INSTALLING BUILDING AND CANOPY DRAINAGE. I F Q K G� xuruxowiol o0 1■■1 ��� � �wr aiaixs N oxAnu EEns e f GRAPHIC MPE CASTRATION a3B6 , INCH=:N ABETE. TYPICAL PIPING CROSSING Sxx:aMi+" nT.� °'x�E3 mess Ag,/N//,/P,/Ly/,'IE/NyA'w�S — b wnhxvn�vE -ix- wxrouRun[wi¢tvnnoxue¢ Rxart X vrury x�E PROPOSED I$yi we aoaMrimnrs wnnxucrxw FErvc[s¢o[Tusx¢TSI ` o oCANO Ra DRN�NGEDETnMw,R WP ro P� nsro Win. RoxT aLE roR nnE �x s 2 0 n 9 SHEET C-4.5 7 [v-6nscay7 [c-finse � �u,,,on.�zso-fies - aloe gz wo ay7 a W„e s we.«m cm<.,. a wertn Tx�oz a.a�c.To�snaT�co�c-4 z sroBu sexaR vux a.� ,w� as mzs - s laom z �S"O no m PN g u OR MIN> -_oho m� y o CAOEON."CONUERBROUNw0T LL: 686..25z E8zs 0JGGL668fi 329 E68431 STA 00+101401NFER 8-1STA 0+000 IN m " �o INSTALL 13° 45 DEGREE E a 3z° mom.. I 1 g <�I 0 i I 7�j"N I I I j 68b 43 NSTALL 2'%2' GRATE INLET ICL 68fi 44 TW=66669' R N oh Ob OR o I2° RL=684.31 ®� STA 0+00.M DNE B-I 41 S v STA 00+10.14 LINE B yGL.6nb.sn INSTALL I2° 45 DEGREE wlE I STA w1500 UNE B-I R,L / INSTALL 12° 45 DEGREE BEND GL.fie642 12'R=60490 LIP sin n+2esT LINED -I 1-1�6x64B INSTALL 2'%7 GRAZE INLET GL 806.50 00 � iGP=6BJ.10' aaj� S <I�i11 7� m + o 4 R 68425 \ /1 IN�NON NEIINDEAGROUND ACI:686.25 -ice STA. 0+09.14 LINEL 666.25 TRENID, 60626 m�3 ,o N4m o I c12 FL=60425 • SCONN000 TO DNE A y6L o6n.[a UNDERGROUND BETENIIDN y j a = I / o INo I m o 12' R=fi84N I STASTAE A 11-686.35 1-6:4- "�A� IATE INl£T GL 686.39 iW=fi0021'STA A0+02L0 DE BENO �INST LL 0 45 DEGRE GL:686 42 nJmYv I mo3 7��N P N C TA I+4)DO W=666 ED, NO o m� Nm STA O+OO.M ONE D ui g 1B / CONNECT TO E% 24 RCP STGIHGL: 687.55 A p 3 1 - H� STA. 0+03.51 ONE D 11GL.687.55 1 N a 10' E=684 ] I INSTALL 185145 DEGREE BEND iGL.687.57 ,n bb m m IB° R=6B0.25 1`\ STA A0+146]4 LINE DEE BEND 1GL 66GL 7.58 1 J O Sf 90 I/:1\\ CONNECT TD UNDERGROUND 1 O� DETENTON N Q m �# DATE REVISION DESCRIPTION BY STORM PROFILES W �� DIMENSION MURPHY ID i5:re �' `T w G R O U P 1601 WE STERN CENTER BLVD p / �o -- raw amp FORT WORTH, TEXAS v � 1/20/2025 - 9:13 B dw9. C-4.2 STORM SEVER PLAN.dwg pp o�ed by STORM LINE CALCULATIONS u� wni.n.rvar. a mH •..i. '"4' u -u nq•ar n/.0 3s °''wY IY�;I wssm fox.. no.�... or.ei Y uir •.•µirri ccci hr.am.�... ui M•1 Ilnari xnt � efU p..0 am '__ I I I am I IWr lOr.nnfn0 Ow aa. u,el I 1a. .a.. Ra ,., a,l a� ,� ,. i :, , >e Itrw>, alw a.10a ae Dy al. et1 e.es wat wx. rw w 43i O1ee+ r e 8ai ,ae nm e.ny W wp an em was and rem I ef. IWe I I I 11 im Y0. t I�Lti..a.e I � I I aae .vw aq 1 IasWxaa, ...¢n as f I ,au au ,w sn axw , w I ,.w I as am cr .so • Ow win �u DETENTION CALCULATIONS STAGE STORAGE DISCHARGE CALCULATIONS p...mn avvrn wr.a a flow Ty" r^•^•w _ a+w.l a^^^� Inr_nm.�ml Lum urallr. rl.vatl.n Ipp o�i OA I -- ,Pi J—III M1 - f mw IS o ai6 oB11 1, M.? 0.1 ruwrn,w+w,•,..A tti ;cn iee rcn uwrc -- 604.0 Oa0 O.U6 610 1773 04.M II., c`9 mrl� 4:..r Y Ni0•a 69¢A5 060 0.10 '052 'M U'AS ua 0." 1 n••• .. __ i� m.arn..rnu..{'"tm...n.nrtrcaeat .p�isaa.v'e 0501 oT6 01? 6iT 3M21 9815] o.m 0 R w.IrWJft WRIrCwff Orlf ip..0 o— II" uexx a —1 — 0 rr pi 3%i4 $9} 55 p.3 0.7a V., I ees.2s e.00 or 11 s }QQ]] diode 6 .o.;'o vleft I 0.21 3.33 585.11 116 88B iQi� T� I..n r. y I..,�w..,�,.,, r•,.c..�rr.m .aaa 88886981.0.w .5s7 MR n6 ,20 adE 0.41 OVOR 74 1. i6 VAR95tA0 02721 &.9F61.34 i3S dt.9 684.r6 I m 1!4 t)♦7Aff I -'• ' BBB. am TBS AU3 mm Afi 0.8 ,,Q� .r 68B h {-dg IAO 32, 104 a%88 063 211 �..•.—!-!!__ h ram.. [r n _ .. -- . N �` r-•J III- W Oat a9i Y601 68h B2 0.67 2SA UiICE e •� r'yI'''"--""_" II�C-� ., prr 'TNMefd[aleWHeaux'N A1wlry/eegiwlbnrtr 16 R990.9Wtlnpe 11-Edlmvn G.tlenUdMYIdAn-1keAi 'In [,eapn Egwnons� mft � rY.~M rr..w�.i 'niM�ba �iuof •a�rr....a.y.+�rFr.q ir.�sew.�r b. f OUTLET CONTROL SCHEMATIC _ _ .. �.. «.. . �r ....�..r..r. 18" RCP_ • a n.rn PIPE a • .err �� I - ....ti+vr NrrYar..r.Jr 24" UNDERGROUND DETENTION SYSTEM w— CAUTION WEIR PLATE 0.21' NOTICE TO CONTRACTORS ��WNor.nm.e.a-an.n...aw ��' �'mp''rwA. rarxn,n�nrarpru.. M12M1cula.tmidnracrav�wwmfnnveam..arm+�sr� wwrukJmA.AlmV4+..e•N.naaawraNff 8E 1 ]vlvur[m�l-.nauramnmeuN�NaiYb wrnameRaTm,mMm �w.yxrwr. aq.w.v ,ePE FIRM REOSTF-ON _�_e3s6 I I meSsrrONPL EN�nSA V✓' SHEET C-4.7 PROJECT SUMMARY CALCULATION DETAILS • LOADING = HS20/HS25 •APPROX. LINEAR FOOTAGE = 2,401 LF STORAGE SUMMARY • STORAGE VOLUME REQUIRED m 9,250 CF • PIPE STORAGE VOLUME = 6.864 OF • BACKFILL STORAGE VOLUME = 165 CF • TOTAL STORAGE PROVIDED - 7,029 CF • STONE VOID = 40% PIPE DETAILS • DIAMETER = 1T • CORRUGATION = 2 2/3XI/2 GAGE = 16 • COATING = ALT2 • WALL TYPE=XFILTRATION • BARREL SPACING =12' BACKFILL DETAILS • WIDTH AT ENDS =12" -ABOVE PIPE = 0' • WIDTH AT SIDE6 -IT • BELOW PIPE = 0' NOTES -A L RISERAND STUB DIMENSIONS ARE TO CENTERLINE. ALL ELEVATIONS, DIMENSIONS. AND LOCATIONS OF RISERS AND INLETS, SHALL BE VERIFIED BY THE ENGINEER OF RECORD PRIOR TO „ RELEASING FOR FABRICATION S • ALL FITTINGS AND REINFORCEMENT COMPLY WITH ASTM A998. • ALL RISERS AND STUBS ARE 223 zit CORRUGATION AND 16 GAGE UNLESS OTHERWISE NOTED. 5 • RISERS TO BE FIELD TRIMMED TO GRADE. • QUANTITY OF PIPE SHOWN DOES NOT PROVIDE Y EXTRA PIPE FOR CONNECTING THE SYSTEM TO H EXISTING PIPE OR DRAINAGE STRUCTURES. OUR SYSTEMAS DETAILED PROVIDES NOMINAL INLET AND/OR OUTLET PIPE STUB FOR CONNECTION TO EXISTING DRAINAGE FACILITIES. IF ADDITIONAL PIPE IS NEEDED IT IS THE RESPONSIBILITY OF THE CONTRACTOR. - • BAND TYPE TO BE DETERMINED UPON FINAL DESIGN. • THE PROJECT SUMMARY IS REFLECTIVE OF THE DYODS DESIGN, QUANTITIES ARE APPROX. AND _ SHOULD BE VERIFIED UPON FINAL DESIGN AND APPROVAL. FOR EXAMPLE, TOTAL EXCAVATION DOES NOT CONSIDER ALL VARIABLES SUCH AS SHORING ANDONLYACCOUNTS FOR MATERIAL WITHIN THE ESTIMATED EXCAVATION FOOTPRINT. • THESE DRAWINGSARE FOR CONCEPTUAL PURPOSES ANDDONOT REFLECT ANY LOCAL PREFERENCESOR REGULATIONS. PLEASE CONTACT YOUR LOCAL 6 CONTECH REP FOR MODIFICATIONS. �,..... • m,.., . �... •. ,... ,... �, .. ev DATE _ REVISION DESCRIPTION CAUTION NOTICE TO CONTRACTORS Q. BE RELIED ON AS BEING EXACT OR COMPLETE THE PROPOSED1 IT SHILL 11 THI RESPONSIBILITY 01 THE CONTRACTOR TO 11LOCAT11 IL 47'H0' m b h v� m 1" - ]'-0" _ _ I 24'0 RISER AK118'O STUB Bi 2 _ 16'0 STUB Bi STUB - - 18-ORISERARI 8'0 RISER ARI 18"0 %JB AR2 - - 8"0 STUB F2 ASSEMBLY �,•�• _ SCALE: 1" = 20' /��114COwNTECH• A� ��ITCAIJ• `�_�►�.:: ��e! DY066148 Blue Mound and Western Center ENGINEERED SOLUTIONS LLC CMP DETENTION SYSTEMS 24" and 18" xFiltration Detention - REV E —CPRt-hES.com Fort Worth, TX W25 C.—P.- Dr., S.. 400, west CSester. OH 450% DYODS DETENTION SYSTEM _ BY 80D,IWII2 513645-FAX DA11G .I000 THESE DRAWINGS DO NOT INCLUDE COMPONENTS FOR CONSTRUCTION SAFETY Z DN _O BYYHIS F—RE TOFnR aliiio—ATS AHS Pi ER TED t AND ALL z LLI T� s TBPE FIRM RECS—ON _A-Bsss I oyt Es sNxsEeT9a'" I mess//ONPL ENNS C 1-± B 0 Arco 4T " z 3 DEeI BB w < Dx,�.,�. 0 30 SHEET C-4.8 THESE DRAWINGS DO NOT INCLUDE COMPONENTS FOR CONSTRUCTION SAFETY DN OARE SHOWN IN AN APPRO%IMATE WAT ONLY. THE M.E Y AND ALL UNDERGROUND UTLIll6 PRESERVE D, — 1m SHALL DErERM HE THE EM.EN LOCnn 3]3]3]ky' OWCRNL ExTNG AGREEG'TIO BE FULLY RESPONS BLE F ANT AND ALL DAMAGES WH CH MGHi BE OCCAS CN11 BY HS FA LURE TO EXACTLY LOCAT: ANO LU -' �/�`' • IN GEOGRAPHIES WITH "\� K\ INSTALLATION NOTES \ - v SALTING SEE \ j��� K TABLE I: J \\�.� INSTALLATION NOTE 3 A\j/\� 1. WHEN PLACING THE FIRST LIFTS OF BACKFILL IT IS Ny' IMPORTANTTO MAKE SURE THAT THE BACKFILL IS PROPERLY 6 COMPACTED UNDER AND AROUND THE PIPE HAUNCHES. $ DIAMETER, D MIN. CORR. B �y ��� v COVER PROFILE I y� - / 2. OTHER ALTERNATE BACKFILL CONDITIONS, MAY BE ALLOWED DEPENDINGER SITE SPECIFIC CONDITIONS, AS APPROVED BY / \\ /�� \\\\ /✓F /�/r SITE ENGINEER. 8'-10' 12' 121r7x1q' 72'd6' 12' w 4 'CMP 3. IF SALTING AGENTS FOR SNOW AND ICE REMOVALARE USED 2/3'x V2' Ow�\� \ 0 \\ \V pO / ,1 // ONORNEAR NDED PROJECT, AGER HALF FT BARRIER 13 RECOMMENDED OVER THEUPPERTO HEFTHEPIPE.THE T6PE FIRM REDsmAnaN i \// \ / HAUNCH �I � / j� j / � / GEOMEMBRANE LINER IS INTENDED TO HELP PROTECT THE � >96' D18 3 1'. 5'x 1' 8 \ ZONE / v � SYSTEM FROM THE POTENTIALADVERSE EFFECTS THAT MAY dptE.. °F..L,E3L11 / RESULT FROM A CHANGE IN THE SURROUNDING + • STRUCTURAL BACKFILL MUST EXTEND TO .. (�\/� • -• \�////�y ENVIRONMENT OVER APERIOD OF TIME PLEASE REFER TO IA r/` LIMITS OF THE TABLE \ /\/ - _�-�� THE CORRUGATED METAL PIPE DETENTION DESIGN GUIDE • TOTAL HEIGHT OF COMPACTED COVER FOR /\ .• ABOVE DETAIL ISA FOR ADDITIONAL INFORMATION. a. CONVENTIONAL HICOMPAC COMPACTED \ ° / � H`_ MEASURED FROM TOP OF PIPE TO BOTTOM Rom._ RECOMMENDATION. CONSULT Imes EV'nIA�WW¢� POF A/EMENFOR PROJECT BLE PAVEMENT OR TOP OF RIGID V� /y1/\\� \ �l�J\ \\ /�\1\ \ \/n\ \/\j \ T SPECFCB CKFEOL REQUREMENTS. '� < ''RNV✓' TRENCH f `,�1 FILL/ENVELOPEE--'/1 EMBANKMENT 6 MINIMUM WIDTH DEPENDS ON SITE CONDITIONS AND ENGINEERING JUDGEMENT TABLE 2: xFiltRoW, XFILTRATION JOINT STANDARD BACKFILL SPECIFICATIONS MATERLALLOCATION MATERIAL SPECIFICATION DESCRIPTION MINIMUM TRENCH WIDTH MUSTALLOW ROOM FOR PROPER COMPACTION OF MINIMUM EMBANKMENT WIDTH (IN FEET) FOR INITIAL FILL ENVELOPE: ° HAUNCH MATERIALS UNDER THE PIPE. PIPE <24•: 3 OD 1 FILL ENVELOPE WIDTH PER ENGINEER OF RECORD THE SUGGESTED MINIMUM TRENCH WIDTH, OR FOR RECOMMENDATION: PIPE 24'- 144': D+4'0' PIPE 5 1P': D+ 16' PIPE > 12" 1 SD+ 12" PIPE> 144": D + URA" �. PRIOR TO PLACING THE BEDDING, THE FOUNDATION MUST BE CONSTRUCTED TO A UNIFORM AND STABLE GRADE. IN THE EVENT THAT UNSUITABLE FOUNDATION MATERIALS ARE o FOUNDATION AASHT026.5.2-PER ENGINEER OF RECORD ENCOUNTERED DURING EXCAVATION, THEY SHALL BE REMOVED AND FOUNDATION BROUGHT BACK TO GRADE WITH A FILL MATERIALAPPROVED BY THE ENGINEER OF RECORD - PIPE SHOULD BE PLACED ON THE FOUNDATION BOTTOM WITH A4"-6• MINIMUM STONE DEPTH ROUGHLY SHAPPED TO FIT THE BOTTOM OF THE PIPE. IF THE ENGINEER OF RECORD DETERMINES THAT -3. BEDDING AASHTO M 43: 3,357, 4,467, 5, 56,57 STONE BEDDING IS NOT NEEDED, THE PIPE MAY BE PLACED ON THE TRENCH BOTTOM SEPERATED WITH A NON -WOVEN GEOTEXTILE PLACED AT TH E INVERT OF A RELATIVELY LOOSE MATERIAL THAT IS ROUGHLY SHAPED TO FIT THE BOTTOM OF THE PIPE, 2• MIN DEPTH. 4 CORRUGATED METAL PIPE S S HAUNCH ZONE MATERIAL SHALL BE HAND SHOVELED OR SHOVEL SLICED INTO PLACE TO ALLOW FOR PROPER COMPACTION WITHOUT SOFT SPOTS. BACKFILL SHALL BE PLACED IN B'+l- IS o FREE -DRAINING, ANGULAR, NATURALLY LOOSE LIFTS AND COMPACTED TO 90% STANDARD PROCTOR PER AASHTO T 99. BACKFILL SHALL BE PLACED SUCH THAT THERE IS NO MORE THAN A TWO LIFT(16') DIFFERENTIAL BETWEEN a ' 5 BACKFILL OCCURRING WASHED -STONE PER AASHTO ANYOF THE PIPESATANY TIME DURING THE BACKFILL PROCESS THE BACKFILL SHOULD BE ADVANCED ALONG THE LENGTH OF THE SYSTEM TOAVOID DIFFERENTIAL LOADING. WHERE $ M 43: 3, 357, 4, 467, 5, 56, 57 OR CONVENTIONAL COMPACTION TESTING IS NOT PRACTICAL, THE MATERIAL SHALL BE MECHANICALLY COMPACTED UNTIL NO FURTHER YIELDING OF MATERIAL IS OBSERVED UNDER THE APPROVED EQUALCOMPACTOR. "IN n o AREAS WITH HIGH WATER TABLE FLUCTUATIONS THAT INTERACT WITH THE PIPE ZONE, CONSIDER INSTALLING A GEOTEXTILE SEPARATION LAYER TO PREVENT SOIL MIGRATION. I �N 5 UP TO MIN. COVER-AASHTO M 145: A-1, A-2, A-3 ABOVE g COVER MATERIAL MIN. COVER - PER ENGINEER OF RECORD COVER MATERIAL MAY INCLUDE NON -BITUMINOUS, GRANULAR ROADBASE MATERIAL WITHIN MIN COVER LIMITS G RIGID OR FLEXIBLE PAVEMENT (IF FLEXIBLE PAVEMENT SHOULD NOT BE COUNTED AS PART OF THE FILL HEIGHT OVER THE CMP. FINAL BACKFILL MATERIAL SELECTION AND COMPACTION REQUIREMENTS SMALL FOLLOW THE v � T APPLICABLE) PER ENGINEER OF RECORD PROJECT PLANS AND SPECIFICATIONS PER THE ENGINEER OF RECORD. A SIDE GEOTEXTILE NONE GEOTEXTILE LAYER IS RECOMMENDED ON SIDES OF EXCAVATION TO PREVENT SOIL MIGRATION WHEN STONE BEDDING IS USED. 'p 1� IF NO STONE BEDDING IS USED, THEN SIDE GEOTEXTILE IS REQUIRED. ¢ _ _ B GEOTEXTILE BETWEEN LAYERS NONE IF SOIL TYPES DIFFERATANY POINTABOVE PIPE INVERT,A GEOTEXTILE LAYER IS RECOMMENDED TO BE PLACED BETWEEN THE LAYERS TO PREVENT SOIL MIGRATION. NOTES: - • FOR MULTIPLE BARREL INSTALLATIONS, THE RECOMMENDED STANDARD SPACING BETWEEN PARALLEL PIPE RUNS SHALL BE THE PIPE DIAMETER 12 BUT NO LESS THAN 12"FOR DIAMETERS <72' FOR 72'AND LARGER DIAMETERS, THE MINIMUM SPACING IS 36". CONTACT YOUR CONTECH REPRESENTATIVE FOR NONSTANDARD SPACING, APPROVED REGIONAL EQUIVALENTS FOR SECTION 5INCLUDE CA-7, MIDOT 6AA, 6A, OR 53, PROVIDED THEY MEET THE PARTICLE SIZES INDICATED. ❑ MANUFACTURER RECOMMENDED BACKFILL w NOT TO SCALE a w �w� 6 _ __ ❑ a❑m _CTO C iNTECH' �uTCA^ DY066148 Blue Mound and Western Center DEs"" "°n z 2 w ENGINEERED SOLUTIONS LLC CMP DETENTION SYSTEMS 24" and 18" xFiltration Detention - REV E o 3 g oro oro m..� • �. a �. b Fort Worth, TX E«E°' Ra R Conl hESoom co"TECH oro oro c mY ^' .m•, �� 9025 Cenua Pointy Dr Stone IDD, West Charter, ON 45068 DYOOS sIIPr:T N° �O ,,m ,,,,,,°�_ DATE - REVISION DESCRIPTION ---Sy 000338-1122 613E/57000 st381S7983 FAX oRawINO DETENTION SYSTEM a. t CAUTION NOTICE TO CONTRACTORS QPROPOSEDI BE RELIED ON AS BEING EXACT OR COMPLETE THE SHEET C-4.9 THESE DRAWINGS DO NOT INCLUDE COMPONENTS FOR CONSTRUCTION SAFETY N _O PRESER t AND All" NT1�1T1E= Z ; AN � Wa s A REINFORCING TABLE Em sal TEMPORARY COVER FOR " ACCESS CASTING TO BE O CONSTRUCTION LOADS PROVIDED AND INSTALLED O `BEARING L.MP 0! �3 HEIGHT 1 - BY CONTRACTOR RISER A eB REINFORCING PRESSURE OF - 1 - FINISHED (PSF) Fla 26' COVER GRADE 1 / 1 1 J ab' #5Q 12'OCEW 2,410 4'X4' _ #5 Q 12' OCEW 1,780 3U 4'-6' X 4'-6" - _ 32' #5 Q 12' OCEW 1.530 aCMP RISER 36' 15' S' 38. #5Q 10'OCEW 1.89D SUFFICIENT rePE R RM CONSTRUCTION LOADS GASKET MATERIAL ,, �' X 5' #5 Q 10' OCEW 1 1,350 S3ss�AnOu CIENT TO PREVENT .. SLAB FROM BEARING ON .51.6151.6, 5'6'S'-8' 1" #5 Q 10' OCEW 1,720 42" rtip«Fj 1111 FOR TEMPORARY CONSTRUCTION VEHICLE LOADS. AN EXTRAAMOUNT OF COMPACTED COVER MAY BE REQUIRED OVER RISER TO BE PROVIDED BY- O X5'43' #SQ9'OCEW 1,210 HE MEET 46" 50 Ims''?bxAi E THE TOPOF THEPIPE CONSTRUCTION EQUIPMENT TNEC NECESSITATES MINIMUM REQUIREMENTS PROTECTION BELOW CONTRACTOR. SECTION VIEW ASSUMED SOILBE 6- CAPACITY "FIE<,FECLE.� • eB - 11-TYP - t�ON e8' fi' #SQ9'OCEW 1,fi0D THE USE OF HEAVY CONSTRUCTION EOUIPMEM NECESSITATES GREATER PROTECTION FOR THE PIPE THAN FINISHED ..,.... GRADE COVER MINIMUMS FOR NORMAL HIGHWAY TRAFFIC. � X6' #SQ8'OCEW 1,100 PIPE SPAN, AXLE LOADS (kips)g�///,/,/y/,'I/y,'1 INCHES 1850 50-75 75.110 110-150 a MINIMUM COVER (FT) °o aA A - 1242 2.0 2.5 3.0 3 0 ` 48-72 3.0 30 3.5 40 NDIAGONAL TRIM 1 #4 DIAGONAL TRIM " - BAR (1, 4 PLACES), - 78-120 3.0 35 4.0 40 BAR(TYP. 4 PLACES), SEENOTE7 126-144 3.5 4.0 4.5 4.5 SEE NOTE 7. 2-COVER 'MINIMUM COVER MAY VARY DEPENDING ON LOCAL CONDITIONS. THE CONTRACTOR MUST PROVIDE THE ADDITIONAL_ (TYP) ` COVER REQUIRED TO AVOID DAMAGE TO THE PIPE MINIMUM COVER IS MEASURED FROM THE TOP OF THE PIPE TO '\ '� ° m IS THE TOP OF THE MAINTAINED CONSTRUCTION ROADWAY SURFACE o CONSTRUCTION LOADING DIAGRAM k 2de� SCALE: N.T.S. OPENING IN PROTECTION / SPECIFICATION FOR DESIGNED DETENTION SYSTEM: SLAB FOR CASTING ` PROTECTION N TIOION SCOPE PIPE -`/ � / : - SLAB FOR Y_ CASTING L THIS SPECIFICATION COVERS THE MANUFACTURE AND INSTALLATION OF THE PIPE SHALL BE MANUFACTURED IN ACCORDANCE TO THE APPLICABLE THE DESIGNED DETENTION SYSTEM DETAILED IN THE PROJECT PLANS. REQUIREMENTS LISTED BELOW: /� 5 3 " MATERIAL ALUMINIZED TYPE 2' AASHTO M-360R ASTM A-760 INTERRUPTED BAR THE MATERIAL SHALL CONFORM TO THE APPLICABLE REQUIREMENTS REPLACEMENT, SEE LISTED BELOW: GALVANIZED: AASHTO M-36 OR ASTM A-760 NOTE 6 9 STANDARD STANDARD INTERRUPTED BAR ALUMINIZED TYPE 2 STEEL COILS SHALL CONFORM TO THE AMMIO RMCOATED. AASHTO M-246 OR ASTM A-762 REINFORCING, REINFORCING, -, 'B , REQUIREMENTS OF AASHTO M-274 OR ASTM A-92. SEE TABLE SEE TABLE REPLACEMENT, 5 ALUMINUM: AASHTO M-196 ORASTM 8-745 SEE NOTE 6. THE GALVANIZED STEEL COILS SHALL CONFORM TO THE APPLICABLE - REQUIREMENTSOFAASHTOM-2180RASTMA-929. HANDLING AND ASSEMBLY ROUND OPTION PLAN VIEW SQUARE OPTION PLAN VIEW SHALL BE IN ACCORDANCE WITH NCSPS (NATIONAL CORRUGATED STEEL v THE POLYMER COATED STEEL COILS SHALL CONFORM TO THE ARRBEABSECIATION) FOR ALUMINIZED TYPE 2, GALVANIZED OR POLYMER NOTES: �^ REQUIREMENTS OF AASHTO M-246 ORASTM A-742. COATED STEEL. SHALL BE IN ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS FOR ALUMINUM PIPE. 1 DESIGN IN ACCORDANCE WITH AASHTO, 17tN EDITION 7. TRIM OPENING WITH DIAGONAL BARS, EXTEND THE ALUMINUM COILS SHALL CONFORM TO THE APPLICABLE REQUIREMENTS BARS A MINIMUM OF 12' BEYOND OPENING. BEND OF AASHTO M-197 OR ASTM B-744. INSTALLATION 2. DESIGN LOAD HS25. BARS AS REQUIRED TO MAINTAIN BAR COVER. SHALL BE IN ACCORDANCE WITH AASHTO STANDARD SPECIFICATIONS FOR CONSTRUCTION LOADS HIGHWAY BRIDGES, SECTION 26, DIVISION II DIVISION II OR ASTM A-798(FOR 3. EARTH COVER =1'MAX. 8. PROTECTION SLAB AND ALL MATERIALS TO BE CONSTRUCTION LOADS MAY BE HIGHER THAN FINAL LOADS. FOLLOW THE ALUMINIZED TYPE 2. GALVANIZED OR POLYMER COATED STEEL)OR ASTM PROVIDED AND INSTALLED BY CONTRACTOR. MANUFACTURER'S OR NCSPA GUIDELINES. B-788(FOR ALUMINUM PIPE) AND IN CONFORMANCE WITH THE PROJECT 4. CONCRETE STRENGTH =3,500 psi PLANS AND SPECIFICATIONS. IF THERE ARE ANY INCONSISTENCIES OR 9. DETAIL DESIGN BY DELTA ENGINEERING, BINGHAMTON, NY. CONFLICTS THE CONTRACTOR SHOULD DISCUSSAND RESOLVE WITH THE 5. REINFORCING STEEL=ASTMA615, GRADE 60. J SITE ENGINEER. NOTE 6. PROVIDEADDITIONAL REINFORCING AROUND MANHOLE CAP DETAIL w THESE DRAWINGSARE FOR CONCEPTUAL IT IS ALWAYS THE RESPONSIBILITY OF THE CONTRACTOR TO FOLLOW OSHA OPEN NOS EQUAL TO THE BARS INTERRUPTED, PURPOSESANDDONOTREFLECTANYLDCAL GUIDELINES FOR SAFE PRACTICES. HALF EACH SIDE. ADDITIONAL BARS TO BE IN SCALE: N. T.S. z� PREFERENCESOR REGUTATICNS PLEASE w > 6 CONTACTYOURLOCALCCNTECHREPFOR THE SAME PLANE. OF S 2 E MODIFICATIONS. --- - -- - C, DL K Z D, ir.rp.u.b.�ir�+e."m,->•+s•n.m-wroRCT. _ C�v� A�w�\ITCAIJ` a e z 2 w ,NTECH .. DY066148 61ue Mound and Western Center oEel w u ENGINEERED SOLUTIONS LLC CMP DETENTION SYSTEMS 24°and 18" xFiltration Detention -REV E s ,...,Y.coA1e#NEs­ � Fort Worth, TX `HE "°` oY� m W25 Centre Pointe D,, Suite 400, West CI,AvA,. ON 45069 DVODS DATE REVISION DESCRIPTION BY 330-"22 513E45"7000 S13S 1.3 FAX oR�w:�� DETENTION SYSTEM CAUTION NOTICE TO CONTRACTORS TIE CONTRACTOR IS SIECIIICILLY CATTIONED THAT THE LOCATION ANLSOR EL -ON QPROPOSEDI O BE RELIED ON AS BEING EXACT OR COMPLETE THE SHEET IT "ILL HE THE RESPONSIBILITY 01 THE CONTRACTOR TO C-4.10 CMP DETENTION INSTALLATION GUIDE IN -SITU TRENCH WALL PROPER INSTALLATION OF A FLEXIBLE UNDERGROUND DETENTION SYSTEM IF EXCAVATION IS REQUIRED, THE TRENCH WALL NEEDS TO BE CAPABLE OF WHEN FLOWABLE FILL IS USED, YOU MUST PREVENT PIPE FLOATATION TYPICALLY SMALL LIFTS ARE PLACED BETWEEN THE PIPES AND THEN WILL ENSURE LONG-TERM PERFORMANCE THE CONFIGURATION OF THESE SUPPORTING THE LOAD THAT THE PIPE SHEDS AS THE SYSTEM IS LOADED. IF ALLOWED TO SET-UP PRIOR TO THE PLACEMENT OF THE NEXT LIFT. THE SYSTEMS OFTEN REQUIRES SPECIAL CONSTRUCTION PRACTICES THAT SOILS ARE NOT CAPABLE OF SUPPORTING THESE LOADS, THE PIPE CAN DEFLECT ALLOWABLE THICKNESS OF THE CLSM LIFT IS A FUNCTION OF A PROPER DIFFER FROM CONVENTIONAL FLEXIBLE PIPE CONSTRUCTION. CONTECH PERFORM A SIMPLE SOIL PRESSURE CHECK USING THE APPLIED LOADS TO LNG BALANCEF THEEENTHND HE TFFECT OF OTHERTHE RESTRAINING WEIGHT OF THE PIPE, AND THE EFFECT OTHER RESTRAINING ENGINEERED SOLUTIONS STRONGLY SUGGESTS SCHEDULING DETERMINE THE LIMITS OF EXCAVATION BEYOND THE SPRING LINE OF THE ED MEASURES THE PIPE CAN CARRY LIMITED FLUID PRESSURE WITHOUT PRECONSTRUCTION MEETING WITH YOUR LOCAL SALES ENGINEER TO OUTER MOST PIPES. PIPE DISTORTION OR DISPLACEMENT, WHICH ALSOAFFECTS THE CLSM DETERMINE IF ADDITIONAL MEASURES, NOT COVERED IN THIS GUIDE, ARE IN MOST CASES THE REQUIREMENTS FOR A SAFE WORK ENVIRONMENT AND LIFT THICKNESS. YOUR LOCAL CON TECH SALES ENGINEER CAN HELP APPROPRIATE FOR YOUR SITE. PROPER BACKFILL PLACEMENTAND COMPACTION TAKE CARE OF THIS CONCERN. DETERMINE THE PROPER LIFT THICKNESS. FOUNDATION r , Lox uuANm srwLBe CONSTRUCTA FOUNDATION THAT CAN SUPPORT THE DESIGN LOADING oPrro SEACS APPLIED BYTHE PIPEANDADJACENT BACKFILLWEIGHTAS WELLAS MAINTAIN ITS INTEGRITY DURING CONSTRUCTION IFSOFTOR UNSUITABLE SOILS ARE ENCOUNTERED, REMOVE THE POOR SOILS, I '� %� T �� DOWN TOA SUITABLE DEPTH AND THEN BUILDUP TO THE APPROPRIATE ELEVATION WITH ACOMPETENT BACKFILL MATERIAL. THE STRUCTURAL FILL i i oRADsoBEEDS.eEDDlxe eswwsucxANDsp I MATERIAL GRADATION SHOULD NOT ALLOW THE MIGRATION OF FINES, WHICH D c CAN CAUSE SETTLEMENT OF THE DETENTION SYSTEM OR PAVEMENTABOVE. _ r`E IFTHESTRUCTURAL FILL MATERIAL IS NOT COMPATIBLE WITH THE UNDERLYING SOILS AN ENGINEERING FABRIC SHOULD BE USED ASA SEPARATOR IN SOME CASES, USING A STIFF REINFORCING GEOGRID BACKFILL PLACEMENT roRmNnrRR,IwANF WaNNTs1 REDUCES OVER EXCAVATION AND REPLACEMENT FILL QUANTITIES. MATERIAL SHALL BE WORKED INTO THE PIPE HAUNCHES BY MEANS OF ot: q�e MISELL LO"s" SHOVEL -SLICING, RODDING, AIR TAMPER, VIBRATORY ROD, OR OTHER EFFECTIVE OUtN3Eoio nIEAN"DxroRDx rD wAsti,DSED METHODS. CONSTRUCTION LOADING GRADE THE FOUNDATION SUBGRADE TO A UNIFORM OR SLIGHTLY SLOPING GRADE. IF THE SUBGRADE IS CLAY OR RELATIVELY NON -POROUS AND THE CONSTRUCTION SEQUENCE WILL LAST FORM EXTENDED PERIOD OF TIME, IT IS BEST TO SLOPE THE GRADE TO ONE END OF THE SYSTEM. THIS WILL ALLOW EXCESS WATER TO DRAIN QUICKLY, PREVENTING SATURATION OF THE SUBGRADE. GEOMEMBRANE BARRIER > Erns uRRRox le7 THESE DRAWINGS DO NOT INCLUDE COMPONENTS FOR CONSTRUCTION SAFETY Z N _O PRESERYTggq� Y AND ALL ENDS ..END UTILITIES Z i LU CMP DETENTION SYSTEM INSPECTION AND s �1 MAINTENANCE €' UNDERGROUND STORMWATER DETENTION AND INFILTRATION SYSTEMS MUST Q BE INSPECTEDAND MAINTAINED AT REGULAR INTERVALS FOR PURPOSES OF F l7 : 6 PERFORMANCE AND LONGEVITY. Fla N+ INSPECTION INSPECTION IS THE KEY TO EFFECTIVE MAINTENANCE OF CMP DETENTION SYSTEMS AND IS EASILY PERFORMED CONTECH RECOMMENDS ONGOING, ANNUAL INSPECTIONS. SITES WITH HIGH TRASH LOAD OR SMALL OUTLET CONTROL ORIFICES MAY NEED MORE FREQUENT INSPECTIONS. THE RATE AT TEPE FIRM WHICH THE SYSTEM COLLECTS POLLUTANTS WILL DEPEND MORE ON SITE eECSTRATION SPECIFIC ACTIVITIES RATHER THAN THE SIZE OR CONFIGURATION OF THE ___rrr�rwnwswwws�sww.. �✓ p1ptE' „!I!,iE`1sII SYSTEM. INSPECTIONS SHOULD BE PERFORMED MORE OFTEN IN EQUIPMENT WAS -DOWN AREAS, IN CLIMATES WHERE SANDING ANDIOR SALTING OPERATIONS TAKE PLACE, AND IN OTHER VARIOUS INSTANCES IN WHICH ONE 44 ryAL Ems= WOULD EXPECT HIGHER ACCUMULATIONS OF SEDIMENT OR ABRASIVE! CORROSIVE CONDITIONS. A RECORD OF EACH INSPECTION IS TO BE MAINTAINED FOR THE LIFE OF THE SYSTEM MAINTENANCE CMP DETENTION SYSTEMS SHOULD BE CLEANED WHEN AN INSPECTION REVEALS ACCUMULATED SEDIMENT OR TRASH IS CLOGGING THE DISCHARGE - ORIFICE. .., TYPICALLY, THE MINIMUM COVER SPECIFIED FOR A PROJECT ASSUMES H-20 ACCUMULATED SEDIMENT AND TRASH CAN TYPICALLY BE EVACUATED THROUGH THE MANHOLE OVER THE OUTLET ORIFICE. IF MAINTENANCE IS NOT 9 0 LxAwxrcm LIVE LOAD. BECAUSE CONSTRUCTION LOADS OFTEN EXCEED DESIGN LIVE PERFORMED AS RECOMMENDED, SEDIMENT AND TRASH MAY ACCUMULATE IN _ LOADS, INCREASED TEMPORARY MINIMUM COVER REQUIREMENTS ARE FRONT OF THE OUTLET ORIFICE MANHOLE COVERS SHOULD BE SECURELY NECESSARY SINCE CONSTRUCTION EQUIPMENT VARIES FROM JOB TO JOB, SEATEDFOLLOWING CLEANING ACTIVITIES. CONTECH SUGGESTS THATALL IT IS BEST TO ADDRESS EQUIPMENT SPECIFIC MINIMUM COVER SYSTEMS BE DESIGNED WITH AN ACCESSIINSPECTION MANHOLE SITUATED AT REQUIREMENTS WITH YOUR LOCAL CONTECH SALES ENGINEER DURING OR NEAR THE INLET AND THE OUTLET ORIFICE. SHOULD IT BE NECESSARY TO GET INSIDE THE SYSTEM TO PERFORM MAINTENANCE ACTIVITIES, ALL YOUR PRE -CONSTRUCTION MEETING. APPROPRIATE PRECAUTIONS REGARDING CONFINED SPACE ENTRYAND OSHA REGULATIONS SHOULD BE FOLLOWED r IF AASHTO TSS PROCEDURES ARE DETERMINED INFEASIBLE BY THE GEOTECHNICAL ENGINEER OF RECORD, COMPACTION IS CONSIDERED ADEQUATE WHEN NO FURTHER YIELDING OF THE MATERIAL IS OBSERVED UNDER THE COMPACTOR. OR UNDER FOOT, AND THE GEOTECHNICAL ENGINEER OF RECORD (OR REPRESENTATIVE THEREOF) IS SATISFIED WITH THE LEVEL OF COMPACTION THE RESISTIVITY OF A PROJECT SITE MAY CHANGEOVER TIME DUE TO THE USE FOR LARGE SYSTEMS, CONVEYOR SYSTEMS, BACKHOES WITH LONG OF SALTING, DE-ICING, AND AGRICULTURALAGENTS APPLIED ON OR REACHE$OR DRAGLINES WITH STONE BUCKETS MAYBE USED TO PLACE VARIOUS NEAR THEAREA. TO MITIGATE THE POTENTIAL IMPACTOF THESEAGENTS,AN BACKFILL ONCE MINIMUM COVER FOR CONSTRUCTION LOADING ACROSS THE ENTIRE WIDTH OF THE SYSTEM IS REACHED, ADVANCE THE EQUIPMENT HDPE MEMBRANE LINER WILL BE INSTALLED ON THE CROWN OF EACH PIPE, TO THE END OF THE RECENTLY PLACED FILL. AND BEGIN THE SEQUENCE v CREATING AN IMPERMEABLE BARRIER THIS MEASURE IS DESIGNED TO AGAIN UNTIL THE SYSTEM IS COMPLETELY BACKFILLED. THIS TYPE OF Y PROTECT THE SYSTEM FROM ENVIRONMENTAL CHANGESTHAT COULD LEAD TO CONSTRUCTION SEQUENCE PROVIDES ROOM FOR STOCKPILED BACKFILL G PRCLaATuwc CORROSION Auo RcouCC TIE OVERALL SERVICE ucc. 01RECTLY BEHIND THE BACKHOE, AS WELLAS THE MOVEMENT OF CONSTRUCTION TRAFFIC. MATERIAL STOCKPILES ON TOP OF THE BACKFILLED DETENTION SYSTEM SHOULD BE LIMITED TO & TO 10-FEET HIGH F AND MUST PROVIDE BALANCED LOADING ACROSS ALL BARRELS TO DETERMINE THE PROPER COVER OVER THE PIPES TO ALLOW THE MOVEMENT OF CONSTRUCTION EQUIPMENT SEE TABLE 1, OR CONTACT YOUR LOCAL CONTECH SALES ENGINEER. 6�' w- ADDITIONAL CONSIDERATIONS BECAUSE MOST SYSTEMS ARE CONSTRUCTED BELOWGRADE. RAINFALL CAN RAPIDLY FILL THE EXCAVATION; POTENTIALLY CAUSING FLOATATION AND MOVEMENT OF THE PREVIOUSLY PLACED PIPES. TO HELP MITIGATE POTENTIAL PROBLEMS, IT IS BEST TO START THE INSTALLATION AT THE DOWNSTREAM END WITH THE OUTLETALREADY CONSTRUCTED TO ALLOW A ROUTE FOR THE WATER TO ESCAPE TEMPORARY DIVERSION MEASURES MAY BE REQUIRED FOR HIGH FLOWS DUE TO THE RESTRICTED NATURE OF THE OUTLET PIPE. rxLel wAreR ASX s C NTECH' VIEW "- wNI__� "-I-•.„,-w>r-,.•xw" ENGINEERED SOLUTIONS LLC CMP DETENTION SYSTEMS z �� ,.e.pxx_...,.......-,A.., www.ConlcoNES.wm CDNIEDH e;-•••.•-+-••••ram sns cRw�POlmx o.,. swm aao, wMecnxmae oN asoss DYODS �xO' ,x„4•o DATE 800.3J81122 51SBCS7000 513-bIST983 FAX REVIbIDN DESCRIPTION BY ORAWIND u� CAUTION NOTICE TO CONTRACTORS QNP.SS1T..LE. EASU­ENTS TAKEN IN THE FIELD THE INI.-ATI.. IS . BE RELIED ON AS BEING EXACT OR COMPLETE THE PROPOSEDI 11LOCAT11 AT ANNUAL INSPECTIONS ARE BEST PRACTICE FOR ALL UNDERGROUND SYSTEMS DURING THIS INSPECTION, IF EVIDENCE OF 3ALTINGIDE-ICING AGENTS IS OBSERVED WITHIN THE SYSTEM, IT IS BEST PRACTICE FOR THE SYSTEM TO BE RINSED, INCLUDING ABOVE THE SPRING LINE SOON AFTER THE SPRING THAW AS PART OF THE MAINTENANCE PROGRAM FOR THE SYSTEM. MAINTAINING AN UNDERGROUND DETENTION OR INFILTRATION SYSTEM IS EASIEST WHEN THERE IS NO FLOW ENTERING THE SYSTEM. FOR THIS REASON, IT IS A GOOD IDEA TO SCHEDULE THE CLEANOUT DURING DRY WEATHER. THE FOREGOING INSPECTION AND MAINTENANCE EFFORTS HELP ENSURE UNDERGROUND PIPE SYSTEMS USED FOR STORMWATER STORAGE CONTINUE TO FUNCTION AS INTENDED BY IDENTIFYING RECOMMENDED REGULAR INSPECTION AND MAINTENANCE PRACTICES. INSPECTION AND MAINTENANCE RELATED TO THE STRUCTURAL INTEGRITY OF THE PIPE OR THE SOUNDNESS OF PIPE JOINT GONNECTION515 BEYOND THE SCOPE OF THIS GUIDE. DYO66148 Blue Mound and Western Center 24" and 18" xFiltration Detention - REV E Fort Worth, TX DETENTION SYSTEM SHEET C-4.11 58" d CMP PROTECTION SLAB FRAME AND COVER/ (� w GRATE CAST -IN O FLANGE UP O RIM + FINISHED GRADE I GASKET MATERIAL SUFFICIENT TO PREVENT SLAB FROM BEARING ON RISER TO BE PROVIDED BY Typ° CONTRACTOR. ELEVATION VIEW (FLUSH MOUNTED) � 000a❑ � / ❑000000 � / 00c000❑=❑ 1 1 0000000�o I ❑0❑000ao❑ 1 ❑o❑000a o❑ / N \ oDo O- o.. / 4 s PLAN VIEW H (GRATED CASTING) 30"0 HS25 LOAD RATED CI:NTECH' ENGINEERED SOLUTIONS LLC w .ContechES.com 9025 Centre Pointe Dr., Suite 400, West Chester, OH 45069 S2 800-338-1122 513-645-7000 513-645-7993 FAX CAUTION NOTICE TO CONTRACTORS a110E.A�`DS' D'ITTI�UTIVES .1 IN 1110-11 AL PLAN VIEW (SOLID CASTING) 24"0 HS25 LOAD RATED 30"0 HS25 LOAD RATED FRAME AND COVER/ GRATE WITH GRADE rn RINGS AS REQUIRED. y o GRADE RINGS TO BE rn W i o IL m < CMP PROTECTION PROVIDED AND Ir a rD < C7 Q SLAB INSTALLED BY j ti tY Q Q RIM RACTOR. j O FINISHED GRADE1 O I R GASKET MATERSUFFICIENT TO PREVE10"SLAB " FROM BEARING 38' - • - - • 71f RISER TO BE PROVIDED BY CONTRACTOR. ELEVATION VIEW FABRICATION NOTES: 1. CONCRETE STRENGTH = 4,000 PSI 2. REINFORCING STEEL - ASTM A615, GRADE 60, OR EQUIVALENT WELDED WIRE FABRIC. 3. NICE LIGHT BROOM FINISH FOR UNITS W/ CAST -IN FRAME AND COVER 4. LIFTERS IN SIDE FOR UNITS W/ CAST -IN FRAME AND COVER AND LIFTERS IN TOP SLAB FOR UNITS W/ SEPARATE COVER GENERAL NOTES: 1. DESIGN LOAD HS20/HS25 2. EARTH COVER = 1' MAX 3. RISER CAP MUST BE ADEQUATELY SUPPORTED WITH PROPER BEDDING AND BEARING PRESSURE OF 3350 PSF AS TO NOT TRANSFER LOADS ONTO RISER. 4. HEAVY PICK WEIGHT = 1,900 LBS 58" OD CMP RISER CAP UP TO 36" RISERS PRECASTER: SEALY, TX DATE: 04/07/2021 1 SCALE: NONE I PROJECT No.: I SEQUENCE No.. I DRAWN: TJS 0 ll�i//e—LITCAi CMP DETENTION SYSTEMS I CHECKED: KMR revr RRM REOSTS-ON F-D6 —'+lsl t °yt E36"-7a" t meSsr/ONP� EN6S G1n SHEET C-4.12 CMP DETENTION INSTALLATION GUIDE IN -SITU TRENCH WALL PROPER INSTALLATION OF A FLEXIBLE UNDERGROUND DETENTION SYSTEM IF EXCAVATION 15 REQUIRED, THE TRENCH WALL NEEDS TO BE CAPABLE OF WHEN FLOWABLE FILL IS USED, YOU MUST PREVENT PIPE FLOATATION WILL ENSURE LONG-TERM PERFORMANCE THE CONFIGURATION OF THESE SUPPORTING THE LOAD THAT THE PIPE SHEDS AS THE SYSTEM IS LOADED IF TYPICALLY, SMALL LIFTS ARE PLACED BETWEEN THE PIPES AND THEN SYSTEMS OFTEN REQUIRES SPECIAL CONSTRUCTION PRACTICES THAT SOILS ARE NOT CAPABLE OF SUPPORTING THESE LOADS. THE PIPE CAN ALLOWED TO SET-UP PRIOR TO THE PLACEMENT OF THE NEXT LIFT THE DIFFER FROM CONVENTIONAL FLEXIBLE PIPE CONSTRUCTION. CONTECH DEFLECT. PERFORM A SIMPLE SOIL PRESSURE CHECK USING THE APPLIED ALLOWABLE THICKNESS OF THE CLSM LIFT IS A FUNCTION OF A PROPER ENGINEERED SOLUTIONS STRONGLY SUGGESTS SCHEDULING A LOADS TO DETERMINE THE LIMITS OF EXCAVATION BEYOND THE SPRING LINE OF BALANCE BETWEEN THE UPLIFT FORCE OF THE CLSM, THE OPPOSING PRE -CONSTRUCTION MEETING WITH YOUR LOCAL SALES ENGINEER TO THE OUTER MOST PIPES. WEIGHT OF THE PIPE. AND THE EFFECT OF OTHER RESTRAINING DETERMINE IF ADDITIONAL MEASURES, NOT COVERED IN THIS GUIDE, ARE MEASURES THE PIPE CAN CARRY LIMITED FLUID PRESSURE WITHOUT APPROPRIATE FOR YOUR SITE. IN MOST CASES THE REQUIREMENTS FOR A SAFE WORK ENVIRONMENT AND PROPER BACKFILL PLACEMENT AND COMPACTION TAKE CARE OF THIS CONCERN, PIPE DISTORTION OR DISPLACEMENT, WHICH ALSO AFFECTS THE CLSM LIFT THICKNESS YOUR LOCAL CONTECH SALES ENGINEER CAN HELP DETERMINE THE PROPER LIFT THICKNESS FOUNDATION CONSTRUCT A FOUNDATION THAT CAN SUPPORT THE DESIGN LOADING s11 wEUD vlxT lwD;1xwnuuxum sur—ER APPLIEDTHE PIPE AND ADJACENT BACKFILL WEIGHT AS WELL AS MAINTAIN s•.we.DUiaas aau ro IS ITS INTEGRITY DURING CONSTRUCTION IF SOFT OR UNSUITABLE SOILS ARE ENCOUNTERED REMOVE THE POOR SOILS DOWN TO A SUITABLE DEPTH AND THEN BUILD UP TO THE as l— ESERoRA Tw - 1 R, APPROPRIATE ELEVATION WITH A COMPETENT BACKFILL MATERIAL THEuiD STRUCTURAL FILL MATERIAL GRADATION SHOULD NOT ALLOW THE MIGRATION SEEw DRnDEoazowNcuvER OF FINES, WHICH CAN CAUSE SETTLEMENT OF THE DETENTION SYSTEM OR PAVEMENTABOVE. IF THE STRUCTURAL FILL MATERIAL IS NOT COMPATIBLE GIVNUARVID sNwER� , � WITH THE UNDERLYING SOILS AN ENGINEERING FABRIC SHOULD BE USED AS weu.EDu �LE ASEPARATOR IN SOME CASES, USING A STIFF REINFORCING GEOGRID REDUCES OVER EXCAVATION AND REPLACEMENT FILL QUANTITIES BACKFILL PLACEMENT mx OTxERRF..w.ELE.EIDxTH CS rxE n suxPLL �... Ea GRADE THE FOUNDATION SUBGRADE TO A UNIFORM OR SLIGHTLY SLOPING GRADE IF THE SUBGRADE IS CLAY OR RELATIVELY NONPOROUS AND THE CONSTRUCTION SEQUENCE WILL LAST FORM EXTENDED PERIOD OF TIME, IT IS BEST TO SLOPE THE GRADE TO ONE END OF THE SYSTEM THIS WILL ALLOW EXCESS WATER TO DRAIN QUICKLY. PREVENTING SATURATION OF THE SUBGRADE MATERIAL SHALL BE WORKED INTO THE PIPE HAUNCHES BY MEANS OF SHOVEL -SLICING, RODDING, MR TAMPER. VIBRATORY ROD. OR OTHER EFFECTIVE METHODS. IF AASHTO T99 PROCEDURES ARE DETERMINED INFEASIBLE BY THE GEOFF CHNICAL ENGINEER OF RECORD. COMPACTION IS CONSIDERED ADEQUATE WHEN NO FURTHER YIELDING OF THE MATERIAL IS OBSERVED UNDER THE COMPACTOR, OR UNDER FOOT, AND THE GEOTECHNICAL ENGINEER OF RECORD (OR REPRESENTATIVE THEREOF) IS SATISFIED WITH THE LEVEL OF COMPACTION GEOMEMBRANE BARRIER ASITE'S RESISTIVITY MAY CHANGE OVER TIME WHEN VARIOUS TYPES OF FOR LARGE SYSTEMS, CONVEYOR SYSTEMS, BACKHOES WITH LONG SALTING AGENTS ARE USED, SUCH AS ROAD SALTS FOR DEICING AGENTS IF 9 SALTINGAGENTS ARE USED ON OR NEARTHE PROJECT SITE, A REACHES OR DRAGLINES WITH STONE BUCKETS MAY BE USED TO PLACE BACKFILL ONCE MINIMUM COVER FOR CONSTRUCTION LOADING ACROSS GEOMEMBRANE BARRIER IS RECOMMENDED WITH THE SYSTEM THE THE ENTIRE WIDTH OF THE SYSTEM I9 REACHED, ADVANCE THE EQUIPMENT GEOMEMBRANE LINER IS INTENDED TO HELP PROTECT THE SYSTEM TO THE END OF THE RECENTLY PLACED FILL, AND BEGIN THE SEQUENCE v POTENTIAL ADVERSE EFFECTS THAT MAY RESULT FROM THE USE OF SUCH AGAIN UNTIL THE SYSTEM IS COMPLETELY BACKFILLED. THIS TYPE OF AGENTS INCLUDING PREMATURE CORROSION AND REDUCED ACTUAL SERVICE CONSTRUCTION SEQUENCE PROVIDES ROOM FOR STOCKPILED BACKFILL LIFE DIRECTLY BEHIND THE BACKHOE, AS WELL AS THE MOVEMENT OF CONSTRUCTION TRAFFIC. MATERIAL STOCKPILES ON TOP OF THE THE PROJECTS ENGINEER OF RECORD IS TO EVALUATE WHETHER SALTING AGENTS WILL BE USED ON OR NEAR THE PROJECT SITE. AND USE HIS/HER BACKFILLED DETENTION SYSTEM SHOULD BE LIMITED TO&TO 10-FEET HIGH AND MUST PROVIDE BALANCED LOADING ACROSS ALL BARRELS. TO BESTJUDGEMENTTO DETERMINE IF ANY ADDITIONAL PROTECTIVE DETERMINE THE PROPER COVER OVER THE PIPES TO ALLOW THE MEASURES ARE REQUIRED BELOW IS A TYPICAL DETAIL SHOWING THE MOVEMENT OF CONSTRUCTION EQUIPMENT SEE TABLE 1. OR CONTACT PLACEMENT OF A GEOMEMSRANE BARRIER FOR PROJECTS WHERE SALTING YOUR LOCAL CONTECH SALES ENGINEER. AGENTS ARE USED ON OR NEAR THE PROJECT SITE. 6 DATE CAUTION NOTICE TO CONTRACTORS P SSIBLE, MEASUREMENTS TASEN IN THE FIELD THE INFORMATION IS N OF TO BE RELIED ON AS BEING EXACT OR COMPLETE THE VATIO QPROPOSEDI Em CMP DETENTION SYSTEM INSPECTION AND MAINTENANCE UNDERGROUND STORMWATER DETENTION AND WELL I RAI ION SYSTEMS MUST BE INSPECTED AND MAINTAINED AT REGULAR INTERVALS FOR PURPOSES OF PERFORMANCE AND LONGEVITY INSPECTION INSPECTION IS THE KEY TO EFFECTIVE MAINTENANCE OF CMP DETENTION SYSTEMS AND 15 EASILY PERFORMED CONTECH RECOMMENDS ONGOING. ANNUAL INSPECTIONS. SITES WITH HIGH TRASH LOAD OR SMALL OUTLET CONTROL ORIFICES MAY NEED MORE FREQUENT INSPECTIONS, THE RATE AT WHICH THE SYSTEM COLLECTS POLLUTANTS WILL DEPEND MORE ON SITE SPECIFIC ACTIVITIES RATHER THAN THE SIZE OR CONFIGURATION OF THE SYSTEM. INSPECTIONS SHOULD BE PERFORMED MORE OFTEN IN EQUIPMENT WASHDOWN AREAS. IN CLIMATES WHERE SANDING ANOIOR SALTING OPERATIONS TAKE PLACE. AND IN OTHER VARIOUS INSTANCES IN WHICH ONE WOULD EXPECT HIGHER ACCUMULATIONS OF SEDIMENT OR ABRASIVEI CORROSIVE CONDITIONS. A RECORD OF EACH INSPECTION IS TO BE MAINTAINED FOR THE LIFE OF THE SYSTEM MAINTENANCE CMP DETENTION SYSTEMS SHOULD BE CLEANED WHEN AN INSPECTION REVEALS ACCUMULATED SEDIMENT OR TRASH IS CLOGGING THE DISCHARGE ORIFICE ACCUMULATED SEDIMENT AND TRASH CAN TYPICALLY BE EVACUATED CONSTRUCTION LOADING THROUGH THE MANHOLE OVER THE OUTLET ORIFICE. IF MAINTENANCE IS NOT TYPICALLY. THE MINIMUM COVER SPECIFIED FOR A PROJECT ASSUMES H-20 PERFORMED AS RECOMMENDED, SEDIMENT AND TRASH MAY ACCUMULATE IN LIVE LOAD. BECAUSE CONSTRUCTION LOADS OFTEN EXCEED DESIGN LIVE FRONT OF THE OUTLET ORIFICE. MANHOLE COVERS SHOULD BE SECURELY LOADS, INCREASED TEMPORARY MINIMUM COVER REQUIREMENTS ARE SEATEDFOLLOWING CLEANING ACTIVITIES. CONTECH SUGGESTS THAT ALL NECESSARY SINCE CONSTRUCTION EQUIPMENT VARIES FROM JOB TO JOB, SYSTEMS BE DESIGNEDWITHAN ACCESS/INSPECTION MANHOLE SITUATED AT IT IS BEST TO ADDRESS EQUIPMENT SPECIFIC MINIMUM COVER OR NEAR THE INLET NO THE OUTLET ORIFICE. SHOULD IT BE NECESSARY TO REQUIREMENTS WITH YOUR LOCAL CONTECH SALES ENGINEER DURING GET INSIDE THE SYSTEMM TO PERFORM MAINTENANCE ACTIVITIES, ALL APPROPRIATE PRECAUTIONS REGARDING CONFINED SPACE ENTRY AND, YOUR PRE -CONSTRUCTION MEETING. OSHA REGULATIONS SHOVED BE FOLLOWED. ADDITIONAL CONSIDERATIONS BECAUSE MOST SYSTEMS ARE CONSTRUCTED BELOW -GRADE, RAINFALL CAN RAPIDLY FILL THE EXCAVATION; POTENTIALLY CAUSING FLOATATION AND MOVEMENT OF THE PREVIOUSLY PLACED PIPES TO HELP MITIGATE POTENTIAL PROBLEMS, IT IS BEST TO START THE INSTALLATION AT THE DOWNSTREAM END WITH THE OUTLET ALREADY CONSTRUCTED TO ALLOW A ROUTE FOR THE WATER TO ESCAPE. TEMPORARY DIVERSION MEASURES MAY BE REQUIRED FOR HIGH FLOWS DUE TO THE RESTRICTED NATURE OF THE OUTLET PIPE. EXTCH w ^n ,�_ Exw[DYr�xcTw�iv � oUBET courRDL I I v Cd► NTECK oy►:>vl: ENGINEERED SOLUTIONS LLC CMP DETENTION SYSTEMS —.C...OhES.C. C zs C m P a T — nH "" DYY0DS REVISION DESCRIPTION BY I 800-338-1122 m 5138aST000 513bCS>993 fqX ANNUAL INSPECTIONS ARE BEST PRACTICE FOR ALL UNDERGROUND SYSTEMS. DURING THIS INSPECTION, IF EVIDENCE OF SALTINGIDE-ICING AGENTS IS OBSERVED WITHIN THE SYSTEM, IT IS BEST PRACTICE FOR THE SYSTEM TO BE RINSED. INCLUDING ABOVE THE SPRING LINE SOON AFTER THE SPRING THAW AS PART OF THE MAINTENANCE PROGRAM FOR THE SYSTEM. MAINTAINING AN UNDERGROUND DETENTION OR INFILTRATION SYSTEM IS EASIEST WHEN THERE IS NO FLOW ENTERING THE SYSTEM FOR THIS REASON, IT IS A GOOD IDEA TO SCHEDULE THE CLEANOUT DURING DRY WEATHER THE FOREGOING INSPECTION AND MAINTENANCE EFFORTS HELP ENSURE UNDERGROUND PIPE SYSTEM$ USED FOR $TORMWATER STORAGE CONTINUE TO FUNCTION AS INTENDED BY IDENTIFYING RECOMMENDED REGULAR INSPECTION AND MAINTENANCE PRACTICES. INSPECTION AND MAINTENANCE RELATED TO THE STRUCTURAL INTEGRITY OF THE PIPE OR THE SOUNDNESS OF PIPE JOINT CONNECTIONS IS BEYOND THE SCOPE OF THIS GUIDE. R Eclxe. IsaD.xe. IwTc. DRI N. XFILTRATION RETENTION SYSTEM DETAILS So SEE Ida TEPE FIRM RECS—ON F-039s jj t�E'��'rF+qsl Y................................ s�oLiF'i....We y 1 esl�NPi EN°nrA V✓' SHEET C-4.13 IyI 3 1^ BLUE CENTER 72, P N OOC. NO D220J0]]]2, PRi CT 0 2158E0 DDG NO . DrerGT. 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NLA .,I�� DDJIIEITTOTHE o oE:Io"EANDR GUIREMEN E.1TIE �E'"ERu'�FAD­ AND PurvnNG NOTES Arvo SPEGIEICANONS) CAUTION �T NTRACTO RS THE 4� �tRd oA NONEo nAT nEL6o 10.ANDIORELEYATIOI OR ANY GO NTRA TOR UCH CALL AT LEAST ` HOURS . 1 AN ASCONCEPT MA IRRIGATIONSSEM ALL SPECTION THE NTIRE ER GAIII S TIME UGENEo YTSHBE INS ED AND P R TION& BY THE D AND ARE THESE DRAYANGS DO NOT INCLUDECOMPONENTS FOR CONSIFLOCTION SAFETT ED 3 LLNON.TURF PLANfEDgaEAs sHAU BE DRIP IRRIGATED. s sn LLBE A A' PLANTS SHARING X reDwl nsPR TDRRDT.RHE.SAT,.6%HEADTD,EgD O ER GE Y AND ALL UNDERGROUND UTILITIES PR[s[R J iHATH°roaozor+e To PRovTDE THE NEcessAnT WATER REDUIREMENTE SPECIFIC To r 6 I=GAP MAXIMIJ. TEms LaoDONo 0 —ss— — —E TE uATCHE. ECIPIBrnEovtiwRATE TECHNOLOGY .LN.Al tic RA ° GDaPNTER ED — — 15 sAN TA oc ENR pssesoouils RJ — RRRE`YoNGOMROI�RIIEA",NRINIs�saRI"NPUT.� I°nE O IY Irj III I \ II I r zg24 D, B MPD r2.0 I 6 r 600 I "I I I II I I i II I I III I II III I II II I 11 Io 1PRTa`OY D21E SGD9 S e2 47'09- E - S� GAS— —(GAS—! PLANT SCHEDULE LWHOLL B URGE CANQPY TREES W / as z DUERCUSSHUA Rml SHUMARD RED OAN CONT zs CAL MI. a 10 HT IN �— — DLADB GRABBIFDLIA CEDAR ELM CONT IN -MIN LBS sHR_D US SA MYRGAEUSILv. DwE —MYRTLE SGAL 30.Oc 0 GM E MUHLENBEHGRGAaBLARIS GJLEMUHLY SGAL 30'Oc IN S ILEX VOMITC(RIA NANA DWARFTAUPON SGAL 38 OG oSOD 14.5740E CYNODONDACTYLON TIF419 BERMUDA GRASS SOD SOD NOTE' NO SAVED OR PROPOSED TREES ARE WITHIN THE SWFMA BOUNDARY LIMITS. URBAN FORESTRY PLAN CALCULATIONS UT — F.Ne Plan CNecklirt Fria N VICINITY MAP CITY OF FORT WORTH URBAN FORESTRY NOTES wILLINSPECTED FOR COMPLIANCEEST UNTIL THE IrvSTAunory HAS BEEN •x Am• NO PERSON BHALL REMOVE OR DAMAGE ANY TREE EQU TO OR Es(6�)Dw.fETERATTRYBRE45THEIGHTwITHOUT i FROM "LURE TO PREM—ENALTIESD MAGE C. RESULT IN BOTH DNIL AND DRIMIN L D o Arealpxeze zany z) mlormifinallat c coin Increa - e Vurbaa Yore:�nArea a"a mne.aeapaanle area: w-Nan a q 1na3ree aaopvgnalPnaw zl _ Ga°marc. nn,lllunena 1/06�'pRe7en0oxm. - ' Bl"Drotectedneez^f eager 're Ifx.2 I D. D. O Tumnrenafbs%i/us�a rvv Drsmetlnoa nl tl v f PNE.—A—III Ha ab.Canom(Rxmezanazl D.E z l s.33z m W 9/ Oa4 m eekl gap z M aml"Imam rovtl im ine erve D-S) ntlu%Impy s%a uzlin Bzfbrae eatreez� ¢ IG x.ul 1 x.osl 1000 o L m" ree (a) D aDD aG e remo Ilaal�AN m mn¢amtreea eeep¢3; I spa ervaiipn (P-0NN01 l 0 o J rea °f egi serve: I RF qy � �0 I a D3 � m m � o omtprezervafio credlt'ladd[iiae ode Iy lrpreservine all I a,¢mNmattreea, Im.aa•1 30D I aDL 0 �u 1pnax zl I c ���� a v�.eezlxroo Slar¢e " za h per tree IOLr.Tzaao) UACDGa m gg99 m�]m¢Rn rtrezree cer zreeza X011 n Pee IarvgTapl Irpv¢iaol a o az3 g TaLalP.nlin a .O.R1 zaa00 o 1 vIm Area: z przfamiiv reaaenaaare<xemm(0—z) ° JAre: oreu`wn v rkovP EeE forlpa0e%)m¢ Ra01 ao m I vJ= mss/aefia n�wekiv�`nnovr Iva60 -ul m I a80 a y lC ms¢P w Y Z fm` zl �I avlide2runowwvo mvera a ors a IM+s+aE) N 9.332 3B3 0 Ce U Eg«¢s/eeti¢ieatwemll zaa°Pv Iv-x) zZ 1 OD2 () Ce W 3 A I Q - � oaks/eiackla6 (.A DI" .Ofeazzofl-3s, bM1 lregartllessafinecies °rlauzi°n) -v 3 p yy dai e.Axaniklree prezervxion aeart tl f.—OS) n Dwlana( bfine aneal: m0.a z farl�N 'eEm remove ga mnt leess�x sl ee fun mal abnRlncM1ezaf Zp alRNNmnttreez /� e lee M1x520oL SHEET ea�u�peri naenON :Boos EVE Urban omega eamm�aama apprwea plmahal INSE11 me LP-1 removal of tM1esg ca"tt :else " 0 MQ of 0 cl �g{pg �Fw LU JLL� Go —oH NORTH Scale 1" = 20' TREELEGEND ���� PRD,ECTEDINPLACE TREE PROTECTION FENCE BER ­NG TREE TO BE INDICATES TREE NUMBER , 1 LEGEND — — — PROPOSED STORM WAIN PRo10SEDOU,TETSTRUC,,11 EASE.- ""AT' EDNJ AND DRAINAGE EASEM. ENT By DENELDPERE I LI l CK 1 (j,1PENCER OT 1 CAR AB.SOISNESS IDF S4SPARK WESTERN CENTER BOULEVARD NARNBLE WIDTH RIGTOF-WAY) TREE SURVEY DATA 15� ANITANY SEWER EASEMENT aE TAB P [B DBB kD. EB IRC.T ED,DNNN BI Ds ok EDMM�. H ro yy. _ ... *iR c�,i.ax .. �1� .......... —.. A ITN ,nAft Dp1 a 'TOTNExsnEB Ds,�_cwon_ uL— rsen fxeTGOs!�!: !DFT' MFAw1EM11 - TAL OIL M..• �[O[5 ��� le]ianN 'lE'/IR]x.M[ [gml�Try BgaOnm n J ....__ ._SAL ._.._ _ _— pgBBM la KIR letKmYEp aA %V _ s uFglr B[ s I.raw.q CAUTION NTRACTO RS THE CON RACTbVitUfIllQd A2NDNED HAT HE LOCATIONAND,ORELEVATION LE M ELSE ENT EN I" E FIE THE FORMATION IS 'ORE MY UTILITIES NMATO. TO RE -LEST 9 CT FEL. LOSAT ON. OF THE NOTE: NO SAVED OR PROPOSED TREES ARE WITHIN THE SWFMA BOUNDARY LIMITS. URBAN FORESTRY PLAN CALCULATIONS SlfAgn.Ea[B4�1'-PJeFLf�e[NHBL iroccU�aofaxe�nA101 a^ •v � MM4Y Bemis 'Y�..ein. T+grAw.leNM+xl YEM1 wuvLnel�,��rs. °:�"a ai ..11..•.A n..l ..m as eem=wl!H.. I Ib.E .L..�w .,.,,el�oM,�rtllllev q. L ±LI v em be•//lo/��+lr rtlno.snmm ryun ren ...n31 _ � }dal urtal� ovedl�p awlxc.e.mlrR«.,.n.an • wln�ACL B..y lu.� m � y�n .IS�� �. a�r•���r.� :II v ,nem r]aptaB.Rne�e.. Ifwll.la,W' .fYe pm 5 . � I In ��a S IE.rtsTLenkerto.ertF onPlN 0.L lEl'sMel bam oxa� —fa,r�.al�D.e.r�ebM1m..e.r Fxn i n..-RTl4Y��or,rn e/m� � fwyyBBrrt�rr M1fe����[WdIl,�rnd6a�eA. IudDolrcme,wtyereanl r..>on.La rts Pl mulrtemocw DR� frc wk•sl THESE DRAYANGS DD NOT INCLUDE COMPONENTS FOR CONSTRUCTION SAFETY ARE _WN IN AN AY—NATE WA, ONLY Q O N g� ��D Y LD RE.R RLRDURDNLIES Z r... •j1A�' 0 a I s^E � F� 1! ION" VICINITY MAP CITY OF FORT WORTH URBAN FORESTRY NOTES INSPECT oFOR.OMPLI=' LN L ,HE INS— Dry HAS FEE. lma NO PERSON SHALL REMOVE OR DAMAGE ANY ,RRE EQU TO OR ES(e�)DLAMETER AT BREZTHEIGHTWITCONILIANCE HOUTMURET' REM.— may: OPMAGE COULD RESULT IN BOTH CIVIL AND CRIMINAL TREE PROTECTION GENERAL NOTES Inl TREEPERMR HAS NOT SEEN ISSUED AND SHALT ERECT SARIENS FOR THE MRO,eCrIOry OE THE (,ILLOWING R PRO ATT (3) ARAN AREA AT OR GREATIR—N -O-IHIRDS OF THE DRIPLINE OF ALL OTHER (B) NSCRE*1 TO ANY PROTECT' COULD PRONE HARMFUL TO THE PROTECTED TREI ST IC) ouairvc TMle cINSTRUCTIMITAGEOFPU-11-ENT,,THRIO TRACTOREHALLNOTCAUSEORPERmTTTF THEOUTSH.ETHEwN�DRIPLI. rOR allo HE NEARBY GRourvDOP, TREESv HCH IS TO BE PRESERRED WITHIN THE OHTSIOE PERI ETER HE R N( ESPBYE)oFANVTR D) NOPERSONSHALLPERMITAHYUN,ECESBABYFIREOREURNINGWITNIN3DFEETOFTHE DRIPLINEOFAPROTECTED TREE A PINGA IVT SWRHINTHEFAR RIERAR ASH TBEADDO SLIBHEDWRHHAND ABDR (F) PRIOR TO IS SUNGA CERTIFICATE OFOccuPAN YORCOSTROYEDMPLInrvcEFORANYOEVELOPmENT.BU LDNGORS MC—E.—TREES FEOIVALENTDMu RRAABREASTHEIGT,EEOC IERANDDFOTON,HESuae SPECIRER SPECFEC vo HE TY REORE ANCY R USE. UNLESS APPR­ AN) TMwCoPl�ory OF IHEctt oEVE<vMONTnclnvnlE w�LL so $EVEREL�YsmeS.a sLA�s wIE ORCANr OIHER PROTEcreD,REE SUCH THAT THEY ARE MADE SUSCEPTIBLE TO INSECT ATTACK PREV,3,TATIVE SPRAYING OF THESE TREES BY THE CONTRACTOR MAY BE EVE uP SHEET UFP-1 Exhibit "C" CITY OF FORT WORTH STORMWATER FACILITY OPERATION AND MAINTENANCE PLAN FOR UNDERGROUND FACILITIES 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 facilities storage volume is reduced by more than 10%. Silt shall be removed and the facility returned to original working condition of the lines and grades shown on the approved engineering plans. In addition, corrective measures are required any time a facility does not drain completely within 72 hours of cessation of inflow. NO STANDING WATER IS ALLOWED in the underground facility 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 facility. 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, 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. STORMWATER UNDERGROUND FACILITY MAINTENANCE AGREEMENT Underground stormwater detention and infiltration systems must be inspected and maintained at regular intervals for purposes of performance and longevity. Inspection Inspection is the key to effective maintenance of CMP detention systems and is easily performed. Contech recommends ongoing, quarterly inspections. The rate at which the system collects pollutants will depend more on site specific activities rather than the size or configuration of the system. Inspections should be performed more often in equipment washdown areas, in climates where sanding and/or salting operations take place, and in other various instances in which one would expect higher accumulations of sediment or abrasive/corrosive conditions. A record of each inspection is to be maintained for the life of the system. NOTHING IN THIS CATALOG SHOULD BE CONSTRUED AS A WARRANTY. APPLICATIONS SUGGESTED HEREIN ARE DESCRIBED ONLY TO HELP READERS MAKE THEIR OWN EVALUATIONS AND DECISIONS, AND ARE NEITHER GUARANTEES NOR WARRANTIES OF SUITABILITY FOR ANY APPLICATION. CONTECH MAKES NO WARRANTY WHATSOEVER, EXPRESS OR IMPLIED, RELATED TO THE APPLICATIONS, MATERIALS, COATINGS, OR PRODUCTS DISCUSSED HEREIN. ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR PURPOSE ARE DISCLAIMED BY CONTECH. SEE CONTECH'S CONDITIONS OF SALE (AVAILABLE AT WWW.CONTECHES.COM/COS) FOR MORE INFORMATION CMP MAINTENANCE GUIDE 2/17 PDF Maintenance CMP detention systems should be cleaned when an inspection reveals accumulated sediment or trash is clogging the discharge orifice. Accumulated sediment and trash can typically be evacuated through the manhole over the outlet orifice. If maintenance is not performed as recommended, sediment and trash may accumulate in front of the outlet orifice. Manhole covers should be securely seated following cleaning activities. Contech suggests that all systems be designed with an access/inspection manhole situated at or near the inlet and the outlet orifice. Should it be necessary to get inside the system to perform maintenance activities, all appropriate precautions regarding confined space entry and OSHA regulations should be followed. Systems are to be rinsed, including above the spring line, annually soon after the spring thaw, and after any additional use of salting agents, as part of the maintenance program for all systems where salting agents may accumulate inside the pipe. Maintaining an underground detention or infiltration system is easiest when there is no flow entering the system. For this reason, it is a good idea to schedule the cleanout during dry weather. The foregoing inspection and maintenance efforts help ensure underground pipe systems used for stormwater storage continue to function as intended by identifying recommended regular inspection and maintenance practices. Inspection and maintenance related to the structural integrity of the pipe or the soundness of pipe joint connections is beyond the scope of this guide. i �1►�i� � r� A CMP DETENTION SYSTEMS C=:I N T E C H' ENGINEERED SOLUTIONS NC$?A 02017 Contech Engineered Solutions LLC All rights reserved. Printed in USA. FORT WO RT H Fort Worth °CS Stormwater Management " EXHIBIT D" STORMWATER UNDERGROUND DETENTION FACILITY MAINTENANCE CHECKLIST FREQUENT INSPECTION Inspection Item: Date: Repairs Required: Repairs Made: Notes: Remove: Trash and Debris Remove: Grass Clippings, Leaves, Etc. MINOR INSPECTION: Inspection Item: Date: Repairs Required: Repairs Made: Notes: Condition of Underground Facility Amount of Silt in Facility Amount of Ponded Water in Facility MAJOR INSPECTION: Inspection Item: Date: Repairs Required: Repairs Made: Notes: Type / Condition of Outfall Structure Size and Condition of Outfall Pipe Evidence of Roots Infiltrating the Facility Evidence of subsidence around facility