HomeMy WebLinkAboutContract 48628 CITY SECRETARY
CONTRACT NO.
IAC WAREHOUSE
DOE #
STORMWATER FACILITY
MAINTENANCE AGREEMENT
THIS AGREEMENT, made and entered into this day of
2011 , by and between Aerospace Direct Corp., acting by and through 901 Eight-
twenty Ltd., hereinafter referred to as "Landowner", and the City of Fort Worth,
hereinafter referred to as"City".
WITNESSETH
WHEREAS, the Landowner is the owner of certain real property described as an
approximately 2.88 acre tract located in the J. HUIE Survey, Abstract 800 & J. HIBBINS
Survey, Abstract 638, Tarrant County, Texas according to the deed recorded in Volume
12414, Page 2381 R.R.T.C.T. 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 IAC WAREHOUSE hereinafter
called the "Plan", which is expressly made a part hereof, as approved or to be approved by
the City and the Landowner provides for management of Stormwater within the confines
of the Property; and
WHEREAS, the City and the Landowner, and their successors and assigns, agree
that the health, safety and welfare of the residents of the City of Fort Worth, Texas require
that on-site Stormwater Management Facilities be constructed and maintained on a portion
of the Property; and
OFFICIAL RECORD
STORMWATER FACILITY MAINTENANCE AGREEMENT CITY SECRETARY
Rev.12!29/2014
FT.WORTH,TX
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
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.
STORMWATER FACILITY MAINTENANCE AGREEMENT 2
Rev.12/29/2014
3. The Landowner, its successors and assigns, hereby grant permission to the
City, its authorized agents and employees, to enter upon the Property and to
inspect the Facility Property whenever the City deems necessary. The purpose
of inspection is to follow-up on reported deficiencies and/or to respond to
citizen complaints. The City shall provide the Landowner, its successors and
assigns, copies of the inspection findings and a directive to commence with the
repairs if necessary.
4. In the event the Landowner, its successors and assigns, fails to maintain the
Facility in good working condition as specified herein, the City, its authorized
agents and employees, may enter upon the Facility Property and take whatever
steps necessary to correct deficiencies identified in the inspection report and to
charge the costs of such repairs to the Landowner, its successors and assigns.
It is expressly understood and agreed that the City is under no obligation
to routinely maintain or repair said Facility, and in no event shall this
Agreement be construed to impose any such obligation on the City, such
obligation is Landowner's.
5. The Landowner, its successors and assigns, will perform the work necessary to
keep the Facility in good working order as appropriate. In the event the City
pursuant to this Agreement, performs work of any nature, or expends any funds
in performance of said work for labor, use of equipment, supplies, materials,
and the like, the Landowner, its successors and assigns, shall reimburse the
City upon demand, within thirty (30) days of receipt thereof for all actual costs
incurred by the City hereunder. In the event that Landowner or its successors
or assigns fail to pay the City for the costs incurred under this section, the City
shall impress a lien for the costs of such work upon other lots owned by the
Landowner. Such lien shall be perfected by filing in the office of the County
Clerk of Tarrant County, Texas an affidavit identifying the property to be
charged with such lien, stating the amount thereof, and making reference to
this Agreement.
6. This Agreement imposes no liability of any kind whatsoever on the City. THE
LANDOWNER AGREES TO HOLD THE CITY HARMLESS FROM
STORMWATER FACILITY MAINTENANCE AGREEMENT 3
Rev.12/29/2014
ANY LIABILITY IN THE EVENT THE FACILITY FAILS TO
OPERATE PROPERLY. LANDOWNER COVENANT AND AGREE
AND DOES HEREBY INDEMNIFY, HOLD HARMLESS AND DEFEND
THE CITY OF FORT WORTH, ITS AGENTS, SERVANTS AND
EMPLOYEES FROM AND AGAINST ALL COSTS, EXPENSES,
LOSSES, DAMAGES, CLAIMS OR CAUSES OF ACTION
WHATSOEVER ARISING, OR WHICH MIGHT ARISE, FROM THE
FAILURE OF LANDOWNER OR ANY FUTURE OWNERS OF THE
ABOVE FACILITITY PROPERTY TO MAINTAIN THE FACILITY,
INCLUDING, BUT NOT LIMITED TO THE BED AND BANKS OF
THE DETENTION POND; ANY DAMAGES CAUSED TO PERSON OR
PROPERTY DUE TO (1) FLOODING OF THE POND AND ITS
BANKS, (2) SLOPE FAILURE OF THE BANKS OF THE POND, OR(3)
FAILURE OF THE POND OR ITS BANKS TO OPERATE IN A
MANNER CONSISTENT WITH CITY OF FORT WORTH CRITERIA
TO PERFORM ANY OTHER DUTIES OR OBLIGATIONS
HEREUNDER.
7. Landowner covenants and agrees that no habitable building shall be erected
within the drainage easement outlined on Exhibit "A" but this paragraph shall
not preclude construction of other improvements within the drainage easement,
which do not impede drainage. Landowner covenants and agrees that no
habitable building shall be erected on the above property abutting such
easement which shall have a finished floor at an elevation less than two feet
above the maximum depth of water in the detention pond which would occur
during a 100 year frequency flood.
8. This Agreement shall be recorded among the land records of Tarrant County,
Texas, shall constitute a covenant running with the land, and shall be binding
on the Landowner, its administrators, executors, assigns, heirs and any other
successors in interests, including any property owners association.
STORMWATER FACILITY MAINTENANCE AGREEMENT 4
Rev.12/29/2014
Executed this 6.4 day of 20a.
Aerospace Direct Corp.i § pk4Wv City of Fort Worth
Rita A. Stevens
Assistant City Manager
President, Aerospace Direct Corp.
Approved as to Form and Legality
ssfstant City Attor y
ATTEST
City Secre
v OR
�O� .f
XXS�
OFFICIAL RECORD
CITY SECRETARY
FTa WORTH TQC
STORMWATER FACILITY MAINTENANCE AGREEMENT rJ
Rev.12/29/2014
STATE OF TEXAS §
COUNTY OF TARRANT §
This instrument was acknowledged before me on by
JfSVs J. � �, Assistant City Manager of the City of Fort Worth, on behalf of the City
of Fort Worth.
LINDA M, HIRRLINGER
3 '.� %j Notary Public,State of Texas
_�.': «°comm.Expires 02-02-2018 Notary Public, State of Texas
%.f•.•'�,��4 Notary ID 12414474-6
i OF
1111111��
STATE OF TEXAS §
COUNTY OF TARRANT §
�h
Before me, the undersigned authority on this —t day of
_ 1
2011 personally appeared
known
to me to be the person whose name is subscribed to the foregoing instrument and
acknowledged to me that the same is the act of
, and that he executed the same as its
and as the act of such and for the purposes and
consideration expressed in the foregoing instrument.
— , dog _
vL
Yp TIFFANI D. FARRIS Notar plic, State of Texas
Notary ID 12920223-6
My Commission Expires
November 13,2016
WWI
STORMWATER FACILITY MAINTENANCE AGREEMENT 6
Rev.12/29/2014
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EXHIBIT"A"
Legal Description
Parts of the J. HIBBINS SURVEY, Abstract No. 638, and the J. HUIE SURVEY,Abstract
No. 800 situated in the City of Fort Worth, Tarrant County, Texas; embracing all of the
tract described in the deed to Amanda S. Myers recorded in Document No.D206075176 of
the Real Records of Tarrant County, Texas and described by metes and bounds as follows:
The basis for bearings is the Texas Coordinate System North Central Zone NAD 83 (2011).
The lengths shown hereon are horizontal ground lengths.
Beginning at a 1/2"iron found for the southeast corner of said Myers tract, in the north
right-of-way of Eight Twenty Boulevard, and for the southwest corner of Lot 1-R in Block 1
of 820 NORTH INDUSTRIAL PARK, according to the plat thereof recorded in volume 388-
137, page 25 of the Plat Records of Tarrant County, Texas.
Thence south 89 degrees-55 minutes-58 seconds west, along the south line of said Myers
tract, and the north right-of-way of said Eight Twenty Boulevard, 228-15/100 feet to a 1/2"
iron found for the southwest corner of said Myers tract, and the southeast corner of Lot 3 in
said Block 1 of 820 NORTH INDUSTRIAL PARK, according to the plat thereof recorded in
Cabinet A, Slide 2801 of the said Plat Records.
Thence north 01 degrees-09 minutes-03 seconds west, along the east line of said Lot 3 Block
1, for the west line of said Myers tract, 550-23/100 feet to a 1/2"iron found for the northeast
corner of said Lot 3 Block 1, for the northwest corner of said Myers tract, In the south line
of Lot 3 in Block D of RAILHEAD FORT WORTH PHASE ONE, according to the plat
thereof recorded in Cabinet A, Slide 4358 of the said Plat Records.
Thence south 89 degrees-55 minutes-14 seconds east, along the north line of said Myers
tract, and the south line of said,Block D, a distance of 227-56/100 feet to a 5/8" iron found
for the northeast corner of said Myers tract, and the westerly northwest corner of Lot 4 in
said Block D.
Thence south 01 degrees-12 minutes-12 seconds east, along a west line of said Lot 4,for the
east line of said Myers tract, 79-68/100 feet to a 5/8" capped iron found marked"Carter and
Burgess" for the southwest corner of said Lot 4, and the northwest corner of said Lot 1-R.
Thence south 01 degrees-12 minutes-56 seconds east, along the west line of said Lot 1-R, for
the east line of said Myers tract, 469-97/100 feet to the place of beginning and containing 2-
875/1000 acres, of which 0-558/1000 of an acre lies within said Hibbins Survey, and 2-
317/1000 acres lies within said Huie Survey.
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ROD FOUND Q
N J. HUIE SURVEY
ABSTRACT NO. 800
TARRANT COUNTY, TEXAS
GRAPHIC SCALE 1"=40'
20 0 20 40 I
AMANDA S. MYERS
I DOC. NO. D206075176
R.R.T.C.T. L0820 NORTH
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— — — — — — — — — -CHARLES F.STRK
.........................
5084 ��„
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EXHIBIT "A" PROJECT No. 285-9292
Barron•Stark•Swih
cm.utl�En�nedr STORM WATER FACILITY MAINTENANCE AGREEMENT �,� 06/09/16
6221 Southwest Boulevard,Suite 100 Situated in theme
Fort Worth, Texas 76132 J.HUIE SURVEY,Abstract No.800
(0)817.231.8100 (F)817.231.8144 1 of 2
Texas Registercd En9ineedng Fam F•10998 City of Fort Worth,Tarrant County,Texas
Texas Re�stered Survey Firrn F-10158800 `J `�
w.wi.bartonslark.com
STORM WATER FACILITY MAINTENANCE AGREEMENT
Being a 0.44 Acre Tract for Storm Water Facility Maintenance Agreement,situated in the J.HUIE SURVEY,Abstract No.800,City of Forth
Worth,Tarrant County,Texas,being a prtion of that certain tract of land described in deed to Amanda S.Myers,recorded on Document No.
D206075176,Real Records,Tarrant County,Texas,being more particularly described as follows:
BEGINNING at a 1/2"iron rod found in the north line of Eight Twenty Boulevard(a 68 foot Public Right-of-Way),at the southeast corner of said
Myers tract and the southwest comer of Lot 1-R,Block 1,820 NORTH INDUSTRIAL PARK,according to the Plat recorded in Volume 388-137,
Page 25,Plat Records,Tarrant County,Texas;
THENCE S 89°55'58"W,along the north line of said Eight Twenty Boulevard,a distance of 167.72 feet to a point at the beginning of a
non-tangent curve to the right,whose radius is 25.00 feet and whose long chord bears N 19°32'04"W,a chord distance of 16.22 feet,from
which a 1/2"iron rod found at the southwest corner of said Myers tract bears S 89°55'58"W,a distance of 60.40 feet,for reference;
THENCE leaving the north line of said Eight Twenty Boulevard and along said curve in a northwesterly direction,through a central angle of
37°51'10",an arc distance of 16.52 feet to a point at the end of said curve;
THENCE N 001629"W,a distance of 72.35 feet to a point at the beginning of a curve to the right whose radius is 25.00 feet and whose long
chord bears N 44°23'08"E,a chord distance of 35.35 feet;
THENCE along said curve in a northeasterly direction,through a central angle of 89°59'14",an arc distance of 39.26 feet to a point at the end
of said curve;
THENCE N 89022'45"E,a distance of 146.76 feet to a point in the east line of said Myers tract and the west line of said Lot 1-R,Block 1,820
NORTH INDUSTRIAL PARK,from which a 5/8"capped iron rod found stamped"Carter&Burgess"at the northwest corner of said Lot 1-R,
Block 1,820 NORTH INDUSTRIAL PARK,bears N 01°12'56"W,a distance of 355.59 feet,for reference;
THENCE S 01°12'56"E,along the east line of said Myers tract and the west line of said Lot 1-R,Block 1,820 NORTH INDUSTRIAL PARK,a
distance of 114.31 feet to the POINT OF BEGINNING and containing 0.44 acre(19,398 square feet)of land,more or less.
OF
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...:.....................
CHARLES F. STARK
`'9...5084....v
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EXHIBIT "A" PROJECT No. 285-9292
Bowen•StairkeSwlh
CmoultingFn�nern STORM WATER FACILITY MAINTENANCE AGREEMENT U,F-* 06/09/16
8221 Southwest Boulevard,Suite 100 Situated In the SHEET
Fort Worth, Texas 76132 JHUIE SURVEYAbstract No800
(0)817.231.8100 (F)817.231.8144 J. , . 2 of 2
Texas Registered(.ngNeeFir F I F•10998 City of Fort Worth,Tarrant County,Texas
Texas Registered Survey Finn F-10150800 •7 �J
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BarroneStarkeSwift
Consulting Engineers
October 25, 2016
Stormwater Development Review
CFW Transportation and Public Works
Attn: Steve Mason
1000 Throckmorton Street
Fort Worth, TX 76102
Re: Stormwater Facility Maintenance Agreement for IAC Warehouse; FS-15-190
Mr. Mason,
The detention basin is located on 901 Eight-twenty Blvd, Fort Worth, TX 76106. The detention basin
Pond A has a capacity of 1.01 ac-ft at the top of the pond embankment. The proposed pond is designed
to take run-off from the fully developed upstream basin that contains IAC Warehouse through the
extended storm drain system. NRCS analysis of fully developed conditions of the site determined the
following results for the indicated storm events:
Detention Pond A _
Storm . 1 yr�� 10 yr 100 yr
S to __. _
Peak Inflow(cfs) 7.0 18.3 30.8
Peak f
Outflow cs 2
( 5 8.7 24.5
.e�
Inflow Vol(ac f .t) 0 4 1 2 8 5
Dischar a Vol(-ac-.'ft—)'
ac ft) 0 4 1 2 8 5
Peak Storage(ac ft) 0 1_ 0 3 0 4_
Peak Elev(ft) 681.6 683.2 683.7 �
TOP Elev(ft) w m" LL 686.0 mr 686.0 F v 686.0
The proposed outlet of Pond A is a combination of an orifice and overflow weir concrete box, a 24"
RCP outlet and an emergency overflow weir. The pond outlet ties into an existing 20 ft concrete curb
inlet in Eight-Twenty Blvd. The curb inlet discharges to the storm drain system shown in record
drawings W-0253.
The proposed detention facility has been designed in accordance with the 2015 iSWM Criteria Manual
for Site Development and Construction.
Respectfully, :y�P�E OF r•..`�t► +
BARRON,STARK,AND SWIFT CONSULTING ENGINEERS,LP
o CHARLES F.STARK
01l&1.%
55Charles F. Stark, P.E., C.F.M. t • •''��•�
6221 Southwest Boulevard,Suite 100,Fort Worth, Texas 76132
817-231-8100 * 817-231-8144 (fax)
Texas Engineering Firm F-10998 * Texas Surveying Firm#10158800
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PROJECr No. 285-9292
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"6_ IAC WAREHOUSE
6221 Southwest Boulevard,Suite 100 SHMT
Fort Worth,10,Texas 76132 DETENTION POND A
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6221 Southwest Boulevard,Sufte 100 IAC WAREHOUSE Si
F°n".231. T(F)8 '6'32 DETENTION POND A
8,7,28,,8100 (e 8,7.28-10998 2 O F 3
Texas Re¢stared Engineedng Firm F-10998
Texas Registered Sum!` F-10,588(10
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Barmn.Stark+Swift EXHIBIT IIB II PROJECT No. 285-9292
�„`' ' IAC WAREHOUSE DATE ,6
SHMT
6221Southwest Boulevard,Butte 100
Fort Worth, Texas 78192 DETENTION POND A
T 117.291.6166 (F)8,7.23,.6,44 3 O F 3
Texas Retllstered Engineering Firm F-10991
Texas Registered SuNey Finn F-,0158800
www.barronstark.com
SS GRAPHIC SCALE 1"=80'
40 0 40 80
STA: 4+48.18 UNE 'ST-B'
N: 6988463.45 STA: 3+30.02 UNE
E: 2322964.51 N: 6988411.41
INSTALL ( ' E. 2323129.09
1-2'X2' GRATE INLET B1 INSTALL:
TOP=688.25 H 1-5' CURB INLET Al - -
FL=684.75 TOP=688.50
FL=684.00
0(�IIfED}dT2� J
STA: 2+85.25 UNE 'ST-B'
N: 6988300.54 !�
E: 2322966.24
INSTALL # t ! <
1-2'X2' GRATE INLET B2
TOP=688.85 STA: 1+87.12 UNE 'ST-A'
FL=683.85 N: 6988268.52
E: 2323130.66
cr INSTALL
1-5' CURB INLET A2
TOP=688.50
( / FL=683.30
STA: 0+52.23 UNE 'ST-A'
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E: 2323131.33
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INSTALL:
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STA: 0+40.18 UNE 'Si-B' FL=681.00
N: 6988055.48
E: 2322968.64 _ ** � _�� STA: 1+27.26 UNE 'ST-C'
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INSTALLi �. „ N: 6988048.62
1-2'X2' GRATE INLET B3 E: 2323110.19
TOP=687.00 , ,( _ INSTALL
FL=682.50 , 1-OUTLET STRUCTURE
` STA: 0+61.60 LINE 'ST-C'
N: 6988000.26
E: 2323154.59
INSTALL 1-45' BEND o
-r DEFLECTION=46'55'29" AlptE• FIq
M +50r
STA 0+00.00 UNE 'ST-B' m '�'' CHARLES F. STARK
EIGHT TWEN N: 6988055.95 , o;.
E: 2323009.02 , 0 57357
INSTALL �� STA: 0+0050 UNE 'ST-C'= i �FSS�ISTE?�` k
1-24' TAPERED CONC. HDWLCONAL
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FL= 661.00 � EXIST Si STA: 23+45.0, 25.5' LT -
EXIST 36' SD FILE NO. W-02538 2��20+6
N: 6987999.70 06�
E: 2323216.19 USE OF THIS ELECTRONIC SFAL/SIGNATURE
AUTHORIZED BY CWLES 1 STARK,P.E
CONNECT TO EXIST 20' CURB INLET TE%/S REGISTRATION NO.57357
Banon.Stark•Swlh PRWECT No. DDD.ODD
EXHIBIT 1 DATE OD/OD/00
Fort Southwest Boulevard Suite 32 STORM DRAIN LAYOUT
Fort Worth, Texas 76132
(0)817.231.8100 (F)817.231.8144
Tezas Registered Engineering Fvm F70888 E X 1
Tezas Registered Survey F.F 10158800
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PROP. GROUND
PROPI HGL
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EXIST HGL 100YR WSEL=684.4
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i, 127 LF 24" RCP @ 0.30%
680 - — EXIST 211' RCP
-- —- -— ------------ ---- -__ - � E ---- ----— —------- 680
i
EXIST 36" RCP
Q=20 CFS
-- Q=40 CFS - v-6-.A:7-FPS--
S=
6:47-FPS—S= 0.30% --�----__--_.
v= 9.95 FPS _-
- PUBLIC PRIVATE--- - _.—__ -
i
670 i ' — 670
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660 E HOR. 1" = 40' 660
-1+00 0+00 1+00 2+00 2+50
ST-C o
......................:.... m
CHARLES F. STARK
.................................
57357
p� STER�`��? L
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CONAL
USE OF 7HI5 ELECTRONIC SEAL/SIGNATURE
AUTNOR1AS GI TRATION F.5TARK,P.E.
TEXAS REGISTRATION N0.57357
Banan•Stark•SWIh PmmT No. 000.000
0-lul ft-1-114— EXHIBIT 2 OAT* 000000
6221 South—M Boulevard.suite 100 STORM DRAIN PROFILE �r
Fort Worth, Texas 76132
(0)817.231.8100 (F)817.231.8144
Texas Amtered Ea,'-'IT F-10888 EX2
Texas Registered ey F- ,0.8.
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4W
TOP 683.20
POND•EMBANKMENTTOP ELEV=MO ____
INCREMENTAL CUMULATIVE
ARFAISF AREAIAC 5TORAGE;AC•FT STORAGF A0.FT
14 680 0 0.060 000
„ 681 4756 0.109 005 QOS
((�^JI 682 FOffi 0.734 012 418
ORIFICE 680.50 683. 7485 0.172 0.16 0.33.
6. 6, E84 _An 0.707 019 (152
CUTLET 680.00 685 10649 0244 G23 0.75
686 12316 0.289 026 1101
1Y
PONDA
ORIFICE# OVERFLOW WEER
2D'2D'
I I ELEV L H A H INV EL WO TOTO
I I (F C (F tFn ((SF) (FT) ;CFF S) #FTI (Fr) C (FT) 111'1 (CFS) (CFS)
POND INV(M EW 690.0 aria snm v.w
OUTLET STRUCTURE
FRONTELEVATION 681-0 p93 156 196
N.T.S. 682.0 183 29I Z41
663.0 49 4.67 .059.033 283 3.62 a.S) 362
664:0 333 42I 694.0 OSa 30.1: 3432
694.0 693 d.13 6850 L63 16 190 103.6: IDCv3i
TOP 626 666-0 583 5.19 6864 280 197.21 29235
m I �
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0 I
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w I TV Y
2.20.68.5 FN
N /5
ro L >1$E]PlyBQ�Q,�R P.6S6m
TOP-SOL SEE=
},
I_ 4-0' ITS► .80P=680.00
Y OUTLET STRUCTURE POND OVERFLOW EMERGENCY
SIDE ELEVATION SPILLWAY-WEIR CALCULATION
N.T.S. N.T.S.
0 yJ}1011YPWI CFS
(
TD b $TNEIREI�11111
7.5'
6' 6' 48'
NOTE tAx
ALL WTLET STRUCRIRE CONCRETE TO BE MIN"3000 PSI 0117131 aril-seas
OUTLET STRUCTURE
PLAN VIEW
N.T.S. STREET SECTION DOWNSTREAM LINE ST-C
NTS
1 2 3 1 4 1 S 1 6 1 I 1# 1 # 1 14 1 11 1 12 1 13 1 1f 1 IS I i6 1 1 A 11# 1 is 1 24 1 3t I 22 1 23 1 23 1 25 I 5 12r 1 21 2} 3#. SF ] Ulu I U
STORIA DRl11r GALCU1.dT1ON3
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T�:� � �•T4f
.:.......................:....
CHARLES F. STARK
.................................
57357
�SS�ONAL
°6/21/2°rb
USE OF THIS ELECTRONIC SEAL/SIGNATURE
AUTHORIZED BY CWLES F.STARN,P.E.
TE1lAS REGISfR1T)ON N0.57357
�ROn�s� �� �i PROJECT No. 000.000
EXHIBIT 3 DATE p
6221 Southwest Boulevard,Suite 100 STORM DRAIN DETAILS SHEET
Fort Worth, Texas 76132
(0)817.231.8100 (F)817.231.8144
Texas Registered Engineering Fxm F-10898 EX3
Texas Registered Survey Firm F10158800
vw.harronstark.cnm
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 8
Rev.12/29/2014
Exhibit "D"
Stormwater 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 Pond
Amount of silt in
and
Amount of silt in
flume
Amount of ponded
water
Amount of wetland
vegetation
Location of Erosion
Percent of
vegetation
Condition of trash
guard
Location of Erosion
MAJOR
INSPECTIONS
Condition of
Stormwater Quality
Structure
Type of Stormwater
Quality Structure
Structure type and
Condition
Condition of Rip-
Ra
STORMWATER FACILITY MAINTENANCE AGREEMENT 9
Rev.12/29/2014
Condition of
filtrations stem
Berm or
Embankment
Settlement
Location of erosion
Evidence of
Animals
Evidence of Aquatic
life
Condition of
Aeration
Foundation
STORMWATER FACILITY MAINTENANCE AGREEMENT 10
Rev.12/29/2014
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