HomeMy WebLinkAboutContract 59451Date Received: 5/23/2023 Permit No.: SWFMA-23-0002
Time Received: 11:34 a.m. City Secretary No.: 59451
STORMWATER FACILITY
MAINTENANCE AGREEMENT
THIS AGREEMENT, made and entered into this 23rd day of May
2023, by and between STARLIGHT HOMES TEXAS L.L.C., a Delaware limited liability
company, hereinafter referred to as "Developer", COBURN FARM LTD., a Texas
limited partnership, hereinafter referred to as "Landowner", and the City of Fort Worth,
hereinafter referred to as "City". Developer, Landowner and City are sometimes
collectively referred to herein as the "Parties".
WITNESSETH
WHEREAS, the Landowner is the owner of certain real property described as a
tract of land situated in the AS Roberts Survey, Abstract No. 1262, City of Fort Worth,
Tarrant County, Texas; said tract being part of a called 99.218acre tract of land described
in the Deed to Coburn Farms, LTD recorded in Instrument Nos. D203387533 and
D203387542, Official Public Records, Tarrant County, Texas, hereinafter called the
"Landowner's Property".
WHEREAS, the Developer owns a lot adjacent to the Landowner's Property
described, respectively, as a tract of land situated in the AS Roberts Survey, Abstract No.
1262, City of Fort Worth, Tarrant County, Texas; said tract being part of a called 86.314
acre tract of land described in Instrument No. D22080544 (hereinafter called the
"Property" and reflected under Exhibit "B" herein) and is proceeding to build on and
develop the Property according to the Site Plan"Subdivision Plan known as Ranch at
Duck Creek Phase 2, hereinafter called the "Plan", which is expressly made a part hereof,
as approved or to be approved by the City and;
OFFICIAL RECORD
CITY SECRETARY
FT. WORTH, TX
STORMWATER FACILITY MAINTENANCE AGREEMENT
Rev 03/01/2022 BN
WHEREAS, the Landowner has conveyed a drainage easement to Developer on
the Landowner's Property as recorded under Instrument No. D223086296 within the deed
records of Tarrant County, Texas to allow for the construction of drainage facilities on the
Landowner's Property ("Easement");
WHEREAS, City, Developer, and 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
within a portion of the Landowner's Property identified within the Easement; and
WHEREAS, the City requires that on -site Stormwater Management Facilities
("Facility") as shown on the Plan be constructed and adequately maintained by the
Developer, its successors and assigns, the location and dimensions of which is shown and
more particularly described by metes and bounds in the attached Exhibit "A" within the
Easement ("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 Developer, its successors and assigns, shall adequately construct and
maintain the Facility at no expense to the City of Fort Worth in accordance
with the design specifications for the Facility, attached as Exhibit "A", 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".
Additionally, the Landowner, through this Agreement approves the design and
specifications for the Facility as outlined in Exhibit "A". The Facility includes
all pipes, channels or other conveyances built to convey storm water to the
Facility, as well as all structures, improvements, and vegetation provided to
control the quantity and quality of the storm water. Adequate maintenance is
herein defined as good working condition so that the Facility is performing its
STORMWATER FAC L TY MAINTENANCE AGREEMENT
Rev 03/01/2022 BN
design function. 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. The Developer, 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., that are
contained in the Easement. 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.
2. The Landowner, its successors and assigns, hereby grant permission to the
City, its authorized agents and employees, to enter upon the Landowner's
Property for the purpose of inspecting 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
Developer, Landowner, and their respective successors and assigns, copies of
the inspection findings and a directive to Developer, or its successors and
assigns. to commence with the repairs if necessary. In no event shall
Landowner have responsibility for repairs, maintenance, or replacement of the
Facility.
i, In the event the Developer, its successors and assigns, fails to maintain the
Facility in good working condition as specified herein, the City shall provide
written notice to Developer, its successors and assigns, describing with
reasonable specificity the needed repairs or maintenance. Developer, its
successors and assigns, shall have a period of thirty (30) days to complete such
repairs or maintenance (or if such repairs or maintenance cannot reasonably be
completed within thirty (30) days, Developer, its successors and assigns shall
commence such repairs or maintenance and shall have such time thereafter as
reasonably necessary, using reasonable diligence, to complete such repairs or
maintenance). If Developer, its successors and assigns fail to complete such
repairs or maintenance within the time set forth in the immediately preceding
STORMWATER FACILITY MAINTENANCE AGREEMENT 3
Rev. 03/01/2022 BN
sentence, then the landowner and Developer grant the City, its authorized
agents and employees, permission to 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 Developer, 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.
4. The Developer, 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 Developer, its successors and assigns, shall reimburse the City
upon demand, within thirty (30) days of receipt thereof for all reasonable costs
incurred by the City hereunder. In the event that Developer 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 the Property. 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.
5, This Agreement imposes no liability of any kind whatsoever on the City. THE
DEVELOPER, ITS SUCCESSORS AND ASSIGNS, AGREES TO HOLD
THE CITY HARMLESS FROM ANY LIABILITY IN THE EVENT THE
FACILITY FAILS TO OPERATE PROPERLY. DEVELOPER, ITS
SUCCESSORS AND ASSIGNS, COVENANTS AND AGREES AND
DOES HEREBY INDEMNIFY, HOLD HARMLESS AND DEFEND THE
CITY OF FORT WORTH, ITS AGENTS, SERVANTS AND
EMPLOYEES FROM AND AGAINST ALL COSTS, EXPENSES,
LOSSES, DAMAGES, CLAIMS OR CAUSES OF ACTION
WHATSOEVER ARISING, OR WHICH MIGHT ARISE, FROM THE
FAILURE OF DEVELOPER OR ANY FUTURE OWNERS OF THE
STORMWATER FACILITY MAINTENANCE AGREEMENT 4
Rev 03/01/2022 BN
ABOVE FACILITY PROPERTY TO MAINTAIN THE FACILITY,
INCLUDING, BUT NOT LIMITED TO THE BED AND BANKS OF
THE FACILITY; 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 FACILITY TO OPERATE IN A MANNER
CONSISTENT WITH CITY OF FORT WORTH CRITERIA TO
PERFORM ANY OTHER DUTIES OR OBLIGATIONS HEREUNDER.
6. Developer covenants and agrees that no habitable building shall be erected
within the Facility Property outlined on Exhibit "A" but this paragraph shall
not preclude construction of other improvements within the drainage easement,
which do not impede drainage. Developer covenants and agrees that no
habitable building shall be erected on the above Property abutting such Facility
Property 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.
_ This Agreement shall be recorded among the land records of Tarrant County,
Texas, shall constitute a covenant running with the Property, and shall be
binding on the Developer, its successors and assigns, including any property
owner's association. Notwithstanding anything to the contrary contained in
this Agreement, neither Developer nor any future owner of the Property shall
be liable under an indemnification of other obligations under this Agreement
with respect to claims, losses, damages, events or occurrences other than those
arising during or relating to the respective period of Developer's or a future
owner's ownership of the Property herein.
STORMWATER FACILITY MAINTENANCE AGREEMENT C
Rev 03/01/2022 BN
Executed this 23rd day of May 2023.
CITY OF FORT WORTH
BuieDana Bu rghdoff (M 23, 2 18 CDT)
Dana Burghdoff
Assistant City Manager
City of Fort Worth
Date: May 23, 2023
Approved as to Form and Legality:
Thomas Royce Hansen,
Assistant City Attorney H
City Attorney's Office
Date: May 22, 2023
n
ATTEST: eF FORrpo
Pvo o=o
,p _ paa4 nE4p54gd
Jannette S. Goodall
City Secretary
Date: May 23, 2023
STORMWATER FACILITY MAINTENANCE AGREEMENT
Rev 0310V2022 8N
LANDOWNER
COBURN FARM, LTD.,
By: Coburn Management, LLC,
a Texas limited liability company,
general pa k
By:
Name: R
Title: O(�
Date: -5, Z
r
DEVELOPER
STARLIGHT HOMES TEXAS, L.L.C.,
a Delaware limited liability company
B
Name: DA-11 5 �Mfr4 Zf G>f}'
Title: PIVI f'1 &/Af4W4 A0?.
Contract C'ompliauce Nlanagel
By sia ing. I acLiciviedgre that I aui the
pel'son responsible for the nicnito17ng
and admiulstration of this contract.
including enstu7ng all performance and
reFQ'T11T2 regtiirenients.
—Zokjl\
Rebecca Diane Owen (May 22, 202315:12 CDT)
Rebecca 0,,ven
Developnitillt Mai -Lager
Date, May 22, 2023
OFFICIAL RECORD 6
CITY SECRETARY
FT. WORTH, TX
STATE OF TEXAS §
COUNTY OF TARRANT §
This instrument was acknowledged before me on May 23rd, 2023 by
Dana Burghdoff, Assistant City Manager of the City of Fort Worth, on behalf of the City
of Fort Worth.
o,�pRY P(/e� BROOKE BONNELL
10 o Notary Public
i + + STATE OF TEXAS
9�P Notary I.D. 134009525
of My Comm. Exp. Oct. 11, 2026
LANDOWNER
STATE OF-Ne*C�
COUNTY OFOC-A(6
Digitally signed by Brooke
Brooke Bonnell Bonnell
Date: 2023.05.23 11:11:31-05'00'
Notary Public, State of Texas
§
BEFORE ME, the undersigned authority, a Notary Public in and for the State of
on this day personally appcarcdp�s
(name), _� (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 Coburn Farm, Ltd. and in the capacity therein stated.
GIVEN UNDER MY HAND AND SEAL OF OFFICE this L a day
of , 20
mom" caloway
MY C11M11W E Dotai\�ry�661ic, State of
002M2028'°`
r ID No 1"20M2
STORMWATER FACILITY MAINTENANCE AGREEMENT 8
Rev 03/01/2022 BN
DEVELOPER
STATE OF-Te)k � §
COUNTY OF x.'�L §
BEFORE ME, the undersigned authority, a Notary Public in and for the State of
SA on this day personally appeared 0()l_0\6
(name), (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 Starlight homes Texas, LLC, and in the capacity therein stated.
{� GIVEN UNDER MY HAND AND SEAL OF OFFICE this IJ day
of 209J. {
r C \ i
Mysa Cak"y
Comma Notary Pudic, State of
�y D210WM2S
Fp�1 ID No 129294002
STORMWATER FACILITY MAINTENANCE AGREEMENT
Rev 03/01/2022 BN
EXHIBIT "A"
INSERT LEGAL DESCRIPTION
DRAINAGE CHANNEL MAINTENANCE AGREEMENT
Rev. 03/01/2022 BN
EXHIBIT "A"
LEGAL DESCRIPTION FOR
40' DRAINAGE AREA
All that certain lot, tract, or parcel of land, situated in a portion of the A. S. Roberts
Survey, Abstract No. 1262, City of Fort Worth, Tarrant County, Texas, being part of that
certain called 99.218 acre tract described in a deed to Coburn Farm, LTD recorded in
Instrument No. D203387542 of the Deed Records of Tarrant County, Texas (DRTCT), and
being more completely described as follows, to -wit:
COMMENCING at a 1 /2" capped iron rod found stamped "GOODWIN & MARSHALL" for
the Southwest corner of a called 86.314 acre tract described in a deed to TFCC Coburn
LLC recorded in Instrument No. D220280544 (DRTCT), the Southeast corner of a
Drainage Easement recorded in Instrument No. 222284071 (DRTCT) and being in the
North right-of-way line of W. J. Boaz Road (variable width right-of-way), from which a 3"
metal fence corner found for the Southwest corner of said 99.218 acre tract bears North
89 deg. 51 min. 24 sec. West - 189.33 feet;
THENCE North 00 deg. 00 min. 00 sec. East departing said North right-of-way line and
continue along the East line of said Drainage Easement and the West line of said 86.314
acre tract, a distance of 32.44 feet to the Northeast corner of said Drainage Easement,
said point being the TRUE POINT OF BEGINNING;
THENCE North 90 deg. 00 min. 00 sec. West departing said West line and continue along
the North line of said Drainage Easement, a distance of 40.00 feet;
THENCE North 00 deg. 00 min. 00 sec. East departing said North line, a distance of
887.52 feet;
THENCE North 90 deg. 00 min. 00 sec. East, a distance of 40.00 feet to the West line of
said 86.314 acre tract;
THENCE South 00 deg. 00 min. 00 sec. East, a distance of 887.52 feet to the POINT OF
BEGINNING, containing 35,501 square feet or 0.815 acres of land, more or less.
Bearings are referenced to Texas State Plane Coordinate System, North Central Zone
(4202), North American Datum of 1983 as derived from GPS observation.
Exhibit map attached and made a part hereof.
P�EvF�-Fx--•
g�,Z,-" ER ohs
JOHN N. ROGERS
q 6372
6. �qN O� .
IAL _0 SURV�_
1/5/2023
GMcivit 2559 SW Grapevine Pkwy I Grapevine, TX 76051 1 817.329.4373 Sheet 1 of 2
TxEng Firm # F-2944 I TxSury Firm # 10021700 January 5, 2023
Engineering & Surveying gmcivII.com 10874-DEIO.dwg
10
\ I 1
\ \ URVEY,
\ \ OS S
S
OLD OCEAN FUEL COMPANY \ \ A S.
R BERTCT l26z L
40' PIPELINE RIGHT-OF-WAY \ \ I ABS�
VOL. 3424, PG. 559 \ \
D.R.T.C.T. \ \
LINE TABLE \ \ egSS O
LINE # BEARING DISTANCE L4� \ I
Ll N89051'24''W 189.33' % \
i
L2 N00000'00"E 32.44'
L3 N90000'00''W 40.00' % ; 1
L4 N90000'00''E 40.00' % \
\ REMAINDER OF CALLED 99.218 ACRES �� rn-
COBURN FARM, LTD. a Q�oQ a� 911
I I
INST. NO. D203387542 iv
D. R. T. C. T. Lq Lo
— —
Go � � LLI
J \
40' DRAINAGE AREA - - 00 \
35,501 SQ. FT. /0.815AC. `-�' `_.0 I m GADWELL DRIVE \ \
� o —
I o p I CALLED 86.374 ACRES \
1 REMAINDER OF CALLED c o _ TFCC COBURN LLC —
99.278 ACRES Z ; H INST. NO. D220280544
COBURN FARM, LTD.INST. NO. D203387 33 % I I R. I C. T. D.R.T.C.T. I % POINT OF - - --
DRAINAGE EASEMENT BEGINNING KNOB DRIVE
INST. NO. 407
D2R 8 C Tl
3" METAL FENCE CORNER _ _ —
_ L2
- W. J. BOAZ ROAD '- L1
L3 POINT OF BEARINGS ARE REFERENCED TO
TEXAS STATE PLANE COORDINATE
0 200 COMMENCING SYSTEM, NORTH CENTRAL ZONE
1 /2" C.I.R.F. (4202), NORTH AMERICAN
SCALE IN FEET I "GOODWIN & MARSHALL" DATUM OF 1983 AS DERIVED
FROM GPS OBSERVATION.
EXHIBIT "A" MAP SHOWING
40' DRAINAGE AREA, SITUATED IN A PORTION OF THE
A. S. ROBERTS SURVEY, ABSTRACT NO. 1262
CITY OF FORT WORTH, TARRANT COUNTY, TEXAS E F
STE
Job No.: 10874 Scale: 1"=200' Sheet `'�q7* RFo s
GMc I I Drafted: L.J.C. Checked: J.N.R. JOHN N. ROGERS
0 6372
Surveyed on the Ground: 1 /27/2021 4'°FEss�o�P
Engineering & Surveying of `96
2559 SW Grapevine Pkwy, Grapevine, Texas 76051 �HQ SURV0
Vj 817-329-4373 Date Pre aredo 1 /4/2023
TxEng Firm # F2944 I Tx$ury Firm # 10021700
Revised: . I Revised: 2 Date Signed: 1/5/2023 r
EXHIBIT "A"
LEGAL DESCRIPTION FOR
45' DRAINAGE AREA
All that certain lot, tract, or parcel of land, situated in a portion of the A. S. Roberts
Survey, Abstract No. 1262, City of Fort Worth, Tarrant County, Texas, being part of that
certain called 99.218 acre tract described in a deed to Coburn Farm, LTD recorded in
Instrument No. D203387533 of the Deed Records of Tarrant County, Texas (DRTCT) and
being part of a called 99.218 acre tract described in a deed to Coburn Farm, LTD
recorded in Instrument No. D203387542 (DRTCT), and being more completely described
as follows, to -wit:
COMMENCING at a 1 /2" capped iron rod found stamped "GOODWIN & MARSHALL" for
the Northwest corner of a called 86.314 acre tract described in a deed to TFCC Coburn
LLC recorded in Instrument No. D220280544 (DRTCT) and being in the North line of said
99.218 acre tract described in Instrument No. D203387533, from which a 3/4" iron rod
found for an ell corner in said 99.218 acre tract described in Instrument No. D203387533
bears South 89 deg. 40 min. 25 sec. West - 1,343.20 feet;
THENCE South 00 deg. 00 min. 00 sec. East departing said North line and continue along
the West line of said 86.314 acre tract, a distance of 215.00 feet to the TRUE POINT OF
BEGINNING;
THENCE South 00 deg. 00 min. 00 sec. East along said West line, a distance of 757.89
feet to the Northeast line of a 40' pipeline right-of-way easement recorded in Volume
3424, Page 559 (DRTCT);
THENCE North 47 deg. 25 min. 06 sec. West along said Northeast line, a distance of 61.12
feet;
THENCE North 00 deg. 00 min. 00 sec. East departing said Northwest line, a distance of
716.53 feet;
THENCE North 90 deg. 00 min. 00 sec. East, a distance of 45.00 feet to the POINT OF
BEGINNING, containing 33,174 square feet or 0.762 acres of land, more or less.
Bearings are referenced to Texas State Plane Coordinate System,
North Central Zone (4202), North American Datum of 1983 as
derived from GPS observation.
Exhibit map attached and made a part hereof. (J�OHN'N.
�s� ROGERS
6372
SURV��I
1/5/2023
GMcivit 2559 SW Grapevine Pkwy I Grapevine, TX 76051 1 817.329.4373 Sheet 1 of 2
TxEng Firm # F-2944 I TxSury Firm # 10021700 January 5, 2023
Engineering & Surveying gmcivII.com 10874-DE11.dwg
10
REMAINDER OF CALLED 225.07 ACRES, PARCEL I
LORIN ALBERT BOSWELL, JR.
VOL. 6868, PG. 2233
D. R. T. C. T.
3/4" I.R.F.
S 89040'25" W 1343.20' — —
\ \ REMAINDER OF CALLED 99,278 ACRES
\ \ COBURN FARM, LTD.
\ \ INST. NO. D203387533
\ \ D. R. T. C. T.
POINT OF
COMMENCING
1 /2" C.I.R.F.
"GOODWIN & MARSHALL"
w
0 0
RED HED DRIVE
L2-N — --
POINT OF
pj
BEGINNING
\ \ 45' DRAINAGE AREA -
\ \ 33,174 SQ. FT /0.762AC I W
-- — 1>MCCOY DR.- --
0
v v RTS SLrRVE�'Q— a o
phi v
A .5 KOB �Cj, No. 126Z W La�9Q�p
I ABSrR \ c�"'�W
�o J
\ \ c c 16 WEYMOUTH DR.
OLD OCEAN FUEL COMPANY \ \ Z % m
40' PIPELINE RIGHT-OF-WAY \ \ % N I CALLED 86.374 ACRES
VOL. D D.R.T.C.T. PG.
559 \ \ % I TFCC COBURN LLC
INST. D� R. D. C. T. D220280544 _
LINE TABLE \ \ j
\
LINE # BEARING DISTANCE \ BASS DR�
L1 N4702506"W 61.12' \
0 200 \ PROPOSED DRAINAGE
L2 N90000'00"E 45.00' L�— EASEMENT PER PHASE 2 PLAT
SCALE IN FEET I I I
REMAINDER OF CALLED 99.218 ACRES I BEARINGS ARE REFERENCED TO
COBURN FARM, LTD. TEXAS STATE PLANE COORDINATE
INST. NO. D203387542 SYSTEM, NORTH CENTRAL ZONE
D.R.T.C.T. (4202), NORTH AMERICAN
DATUM OF 1983 AS DERIVED
FROM GPS OBSERVATION.
EXHIBIT "A" MAP SHOWING
45' DRAINAGE AREA, SITUATED IN A PORTION OF THE
A. S. ROBERTS SURVEY, ABSTRACT NO. 1262
CITY OF FORT WORTH, TARRANT COUNTY, TEXAS E F
STE
Job No.: 10874 Scale: 1"=200' Sheet 1.1-�"G\ lo�l RFo s
GMcivi Drafted: L.J.C. Checked: J.N.R. JOHN N. ROGER;
0 6372
Surveyed on the Ground: 1 /27/2021 �'poFEss�G�P
Engineering & Surveying of Q
2559 SW Gra Pcvinc PkwY, Gra Pcvinc, Texas 76051 q�O SURV O
Vj 817-329-4373 Date Pre aredo 1 /4/2023
TxEng Rrn R F-2944 , bcSury Firm N 10021733
Revised: . I Revised: 2 Date Signed: 1/5/2023 r
EXHIBIT "B"
DESIGN PLAN AND SPECIFICATIONS
/-___--v. ..
f T
/ Wt �s455 \ REMAINDER OF U4FD 99.2)BACRFS ' - / l
COBURN
INs/ NO Oza,Be]3aa - -]RS - I9s
I I DRarvnc ESMl
IAw�oeNnAS F; ux oie _ _-- LOCK J {II' T^ -T� L _ -- n
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01��2de MIS A-6A&A-6
A3
�A-6
a6iJ d
S�nlnlets ASA$A-SA
On{ireOe In. ASA$ Ab8 STORM PECOUENc 1a EN-E.
1 B-1
zn 0 i tes s
ssz s4s se ea se
is zo
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B-,
08if t
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B-2
0 ze 0 s7 ale s
3.3z 0.m m 0 sa m
t 5s
OrIA.'f'a8e blob B-2A 8 B-28
B-2
J
OnUr e Inlets B-2A $ B-2B
B-3
C-1
566 O87 9.)I 15
0m 0m aza s
1S
3.32 12m 4.88 1043 ].60
33z .So 4IS aG ]se
1N
m.25
z-
Sy� loleh B3A8B-3.
S et Flowb Creek
BJ
C-,
Q6/ 3
J
SW1�Inlets B3A&B-3B rwE CF corvcENmaTlory LET TIME rwEOF FLaw Iry
1
Sheet Flow 20 Creek INLET TIME TMIEETI�Me FOR -TER TO ELowo TIE
C-2
0.4, OB) 0.2i
3.33 O81 4.86 1B0
2.18
OnGrade hleR C_2A8 C_2B
O�
0.Blf o
OIGII, Inlets C-2A&CIS InL ACEOF11'IEDUNIIITHE.ILI- RAN
lFnaPUCAeL[I�D
C3
C-0
325 08 1218 t5
115 O.Il J OSo '6
332 1.2S 496 10M 7m
20ti �.38 909 108 6M
1737
368
'uon\loletanC3M C-3B
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Cd
0.8/ z
Qe / Z
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Sum Inlets C-3A$C-3B
�rea lnktC4 MINIMnLnME OF coNCENTawr,oN
C5
Cb
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o.le o.m1 0.10 is
sas .at a w tom E.
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to ro
o.)6
SI�r�111e5 C5A 8 C5B
Area hlotCb
C3
�b
a
J
Sumglnlets CSA 8 C-58 TIME
Area NletCb 2'1
111-
I D-1
1.59 0.6 f 1.0) 15
1..32 3.54 4B6 5.18 ).90
B.m
Sheet Flow to CRek
D-,
08/
SMet Fbw2o Creek R[sIo[H�IAl IAS Lr
I D-2
2.11 0.�/J 141 t5
3. am 4m 68] ).re
ttM
Seet Flow b Creek
D-2
s7
Sheet Flow to Creek (lowul�oMELSMoUPLE�s AIARTMENTs) 10 Mlrvu)Es
OS-1
re a, ze 15
3S2 zam . 35 a4 es
5su
DroChie1C
OS1
am
DroftYIleIC
=EMERS.LE
I OS-2
11.80 0.6 1 ).B) 15
3.32 28A] 4.88 38.)6 ].50
m.58
Drop let OS-2
OS-2
m 0.m n
is
33z tt
n.17 Tee
284)
Drop Net GS-2 DISTRICT SMINUTES
"C'-VALUE CALCULATIONS - ULTIMATE CONDITIONS
DREAD
STREETS
-
OPENSPACE
TOTAL
AVG'C'
C• 0.90
C• 0.87
0.30
AREA
I At
000
019
0.00
0.19
Ob7 I
A2
0.00
3.15
0.00
3.15
ob7 I
A-3
0.00
4.05
0.00
4.05
0.87 I
Ad
Ob0
3.15
0.00
3.15
0.67 I
1 ALE
I,w
4.48
0.00
4.48
0.87 I
I Ab
0.00
2.42
0.00
2A2
0b7 I
1 6-1
0.00
2.47
0.D0
2A7
0.67 I
1 B-2
0.00
0.29
0.00
0.29
0.67 I
&3
Ob0
HIM
0.Do
5.66
0.67 I
1 C-1
0.Is
0.19
0.06
OAO
0.70 I
I C-2
0.00
0.41
0.00
0.41
0.67 1
I C-3
0.So
3.25
0.00
3.25
0.67 I
1 Cd
0.28
0.43
OA4
1.15
0.58 1
I CS
0.00
3.87
0.00
3.87
0.87 1
I Cb
006
0.04
0.08
0.Is
OSB I
I D-1
0b0
1.59
0.00
1.59
0.67 1
1 o-2
Ob0
2.11
0.00
2.11
0.67 1
1 0&1
1,00
""
0.00
10.88
ob7 1
1 OS-2
0.00
1190
o.00
1L90
of I
STREET CAPACITIES
"C"-VALUE CALCULATIONS - PROPOSED CONDITIONS
MEAD STREETS A5 OPENSPACE TOTAL AVG-C-
C= 0.90 C= 0.67 C= 0.30 AREA
A4 Ob0 0.19 0A0 0.ia 0.67
X2 0.00 3.15 0.00 3.15 0.67
A3 1,00 4.05 0.00 4.05 Ob7
A4 0.00 3.15 0.00 3.15 Ob]
15 0.00 4.48 0.00 4.48 ob7
Ab 0 w 2.42 0.00 2.42 0.87
B-1 0.go 2.47 0.00 2.47 ob7
B-2 0.00 0.29 0.D0 0.29 0.67
B-3 0.00 5.68 0.00 S66 0.67
C-1 0.Is 0.19 0.06 OAO 0.70
C-2 0.00 0.41 0.00 OAt ob7
0-3 0.00 3.25 0.00 3.25 017
Cd 0.28 0.43 O.M 1.15 0.58 _
C4i 0.00 3.87 0.00 3.87 0.67
Cb 0.06 0.04 0.08 0.Is 0.58
D-1 0.00 1.59 0.00 1, 0.67
o-2 Ob0 2.11 0.D0 2.11 0.67
OSi 0.00 000 'DHSS 10.88 0.30
OS-2 0.00 0.00 11.90 11.90 0.30 -
ROCK RIP- 4P CALCULATIONS - BOX CULVERTS
°.GN
�wH"Ilfr�e'�?!
ROCK RIP -RAP CALCULATIONS - CIRCULAR PIPES
a I a I���al � I � I it I N I ",w° ' W=W-EAP =W WUXTW
naeyen. sma `, .r6m e.r ROw o.n,n
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DnlnaBa Ana R mm-YEAR gp.rm �m
Ama GA
ID IA°I IS Rma Inmwry In rib ID) 101 P ea V MI 101
Idg IoN mml mm] m 1-1 lNrO 9n1
A 0.13 1.- m ].83 O.m I.- Om 1.02 1, 8-8 .000m 90.18 a9 SA 1.To
FA-2 2.11 15.00 e6 88 026 8S3 028 1.83 9B-B o- 31.42 5198 4R
A3 I.]f 13.00 4INS ].8B 13.18 21.61 13.18 21.B4 MB-B 0.0075 9a73 SS.m 112
Ad 211 ism 465 ).8B K. 1989 1028 18.m 298-8 0.0065 91.42 51.98 4M
I AS 3m 15m Ore ).98 11. 2S94 Om 031 14. 2S8-B O.00m 91.I2 5198 5A)
FAb 5m am m zm ee m 9e-e 0.0ms 31. z st.se 34
B-1 t.m 'SHOD O.re ].88 5.04 13.20 Om O.m 8.04 13.20 2aB-B G= 31.42 51.88 O.T
I B-2 60.
7
B3 .. I.2e Om2S 43..22 75115.90
S7 SI9 48 )So. IS 4S S0.5 m 31.
1 C-2 150m mre mn
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4]ss94
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SUMP/DROP INLET DESIGN CALCULATIONS
Inlet No. I allon
Slope Slope of
G
So PvCmtrowGno
I 1
A-2A&A-2B
A-3A & A-3B
A-0A&AdB
A-5A $ A-5B
1 13-1A&B-1B
C-3A & C311
C-SA $ C-5B
C-0
Cb
O
OS-2
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2 3
0 0065 0.0200
0.0075 0.0200
00065 0.0200
00065 0.0200
00065 0.0200
0.0073 0.02DO
00071 002M
10 I-YR SUMP NLET DESIGN :ALCULATIO►S
Gulbr
DBp(h of
Depth of
Depth of Capacity of
Length of Capacity of
Carryover
Percent O100
Flow Go
Gutter
Depression
Flowal Inletper Foot
Inlet Opening
1n1etO
Into Over
Captured by Inlet
Flow Y.
OpeningY of Length QIL
Lo,P
Flow
(Gb)
(R)
(ft)
Ift) (GbM)
(ft)
(Gb)
(RRII
4
5
6
7 8
9
10
11
12
8A2
0.50
0.33
083 2.27
10
22.68
0.00
100.0%
10.82
0.50
0.33
0.83 227
10
22.68
0.00
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8.42�
0.60
0.33
083 2.27
10
22,11
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100.0%
1212
0.50
0.33
083 2,27
15
34.03
D00
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6.60
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0.33
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10
22.68
0.Do
100.0%
8.68
0.50
0.33
0.83 2.27
10
22.88
0.00
700.0%
10.34
0.50
0.33
0 83 2.27
10
22.68000
00
100.0%
02500 3.66 0.00 1.00
02500 076 0.00 1.10
250 00 26.03 01.0 .00 0
0.2500 MAT 0.00 1.00
Nobs
13
62 9% Cbgglrg Factor
52.3% Clogging Factor
62.9% Cbgging Factor
64.4% CIS Ong Fedor
70 9% Cbgglrg Factor
_ 61.7%Clogging Factor
54.4% Clogging Fads,
DROP INLET DESIGN CALCULATIONS
100 3.00 12 36.00 0.00 100.0 :1 1. Factor
100 300 12 Woo 000 100.0 9T8%C":ng Facor
iDO 300 20 60.00 000 100.0 566%CIS ngFactor
1.00 3.00 20 60.00 0.00 100.0 52.5%Clogging Factor
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aPPs°anmxryo.s wsr o:sseeRe
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lneeuyrnm mwe CRITERIA
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FORT WORTH, TEXAS
om�
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FORT WORTH, TEXAS
14
Exhibit "C"
CITY OF FORT WORTH STORMWATER FACILITY
OPERATION AND MAINTENANCE PLAN
The only responsibility the City of Fort Worth has in the operation and maintenance of
this Facility is inspection.
General Maintenance Procedures
The structural and functional integrity of the Facility shall be maintained at all times by
removing and preventing drainage interference, obstructions, blockages, or other adverse
effects into, through, or out of the system.
Periodic silt removal shall occur when standing water conditions occur or the pond's
storage volume is reduced by more than 10%. Silt shall be removed and the pond/basin
returned to original lines and grades shown on the approved engineering plans. In
addition, corrective measures are required any time a basin does not drain completely
within 72 hours of cessation of inflow. NO STANDING WATER IS ALLOWED in
basins designed for dry detention purposes.
Accumulated litter, sediment, and debris shall be removed every 6 months or as necessary
to maintain proper operation of the basin. Disposal shall be in accordance with federal,
state and local regulations.
Detention facilities shall be mowed monthly between the months of April and October or
anytime vegetation exceeds 12-inches in height.
To prevent debris from entering and clogging the downstream storm sewer system a wire
mesh screen or similar screening device shall be installed over the outlet until final
acceptance.
4. PREVENTIVE MAINTENANCE/INSPECTION
• Visual inspections of all components will be conducted every 6 months.
• A log shall be kept of maintenance actions, and inspections. The log should
document the condition of the detention system's primary components, mowing,
and silt, litter and debris removal dates. Document aeration of the basin bottoms
and replanting to prevent the sealing of the basin bottom.
• Written maintenance and repair records shall be maintained by the party or
parties signing the attached Agreement and shall be provided to the City upon
request.
STORMWATER FACILITY MAINTENANCE AGREEMENT 10
Rev. 11/19/2020 JLE
Exhibit "D"
Drainage Channel Structural Maintenance CHECKLIST
FREQUENT REPAIRS REPAIRS
INSPECTION DATE REQUIRED MADE NOTES
Mowing
Remove Trash and
debris
Inspect irrigation
system operation
Remove grass
clippings
Violations Noted
MINOR
INSPECTION
Condition of Channel
Amount of silt in
channel
Amount of silt in
flume
Amount of ponded
water
Amount of wetland
vegetation
Location of Erosion
Percent of vegetation
Condition of trash
guard
Location of Erosion
MAJOR
INSPECTIONS
Condition of
Drainage Channel
Quality Structure
Type of Drainage
Channel Quality
Structure
Structure type and
Condition
Condition of Rip -Rap
Condition of filtration
STORM WATER FACILITY MAINTENANCE AGREEMENT
Rev. 11/19/2020 JLE