HomeMy WebLinkAboutContract 58894 (2)Date Received: 2/17/2023
Time Received: 8:00 a.m.
Permit No.: SWFMA-22-0084
City Secretary No.: 58894
STORMWATER FACILITY
MAINTENANCE AGREEMENT
THIS AGREEMENT, made and entered into this 17th day of February
20 23 _, by and between NEC CTR & McP, LP, acting by and through Brian G.
Murphey, its duly authorized signatory hereinafter referred to as "Landowner", and the
City of Fort Worth, hereinafter referred to as "City".
WITNESSETH
WHEREAS, the Landowner is the owner of certain real property described as a
tract of land situated in Juan Albirado Survey, Abstract No. 4, Fort Worth, Tarrant
County, Texas according to the plat recorded in County Clerk's Document No.
D222138085, Plat Records, Records, Tarrant County, Texas, and being a part of the
certain tract of land as described by deed, recorded in County Clerk's Document No.
D219006987, 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 NEC Chisholm Trail Ranch,
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
Rev. 03I0112022 BN
OFFICIAL RECORD
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
citizen complaints. The City shall provide the Landowner, its successors and
STORMWATER FACILITY MAINTENANCE AGREEMENT 2
Rev. 03/01/2022 BN
assigns, copies of the inspection findings and a directive to commence with the
repairs if necessary.
4. In the event the Landowner, its successors and assigns, fails to maintain the
Facility in good working condition as specified herein, the City, its authorized
agents and employees, may enter upon the Facility Property and take whatever
steps necessary to correct deficiencies identified in the inspection report and to
charge the costs of such repairs to the Landowner, its successors and assigns.
It is expressly understood and agreed that the City is under no obligation
to routinely maintain or repair said Facility, and in no event shall this
Agreement be construed to impose any such obligation on the City, such
obligation is Landowner's.
5. The Landowner, its successors and assigns, will perform the work necessary to
keep the Facility in good working order as appropriate. In the event the City
pursuant to this Agreement, performs work of any nature, or expends any funds
in performance of said work for labor, use of equipment, supplies, materials,
and the like, the Landowner, its successors and assigns, shall reimburse the
City upon demand, within thirty (30) days of receipt thereof for all actual costs
incurred by the City hereunder. In the event that Landowner or its successors
or assigns fail to pay the City for the costs incurred under this section, the City
shall impress a lien for the costs of such work upon other lots owned by the
Landowner. Such lien shall be perfected by filing in the office of the County
Clerk of Tarrant County, Texas an affidavit identifying the property to be
charged with such lien, stating the amount thereof, and making reference to
this Agreement.
6. This Agreement imposes no liability of any kind whatsoever on the City. THE
LANDOWNER AGREES TO HOLD THE CITY HARMLESS FROM
ANY LIABILITY IN THE EVENT THE FACILITY FAILS TO
OPERATE PROPERLY. LANDOWNER COVENANT AND AGREE
AND DOES HEREBY INDEMNIFY, HOLD HARMLESS AND DEFEND
THE CITY OF FORT WORTH, ITS AGENTS, SERVANTS AND
EMPLOYEES FROM AND AGAINST ALL COSTS, EXPENSES,
STORMWATER FACILITY MAINTENANCE AGREEMENT 3
Rev. 03/01/2022 BN
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
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 17th —day of February
CITY OF FORT WORTH
�Q�Q �Gt�GI
Dana Burghdoff (Fe 17, 202.'8:29 CST)
Dana Burghdoff
Assistant City Manager
City of Fort Worth
Date: Feb 17, 2023
Approved as to Form and Legality:
Thomas Royce Hansen,
Assistant City Attorney II
City Attorney's Office
Date: Feb 16, 2023
oaopp�
P eF FORr�°a
°°° o d
ATTEST:
ago o=°
l/11 �dnua4
Jannette S. Goodall
City Secretary
Date: Feb 17, 2023
STORMWATER FACILITY MAINTENANCE AGREEMENT
Rev. 03/01/2022 BN
20 23
LANDOWNER
NEC CTR & McP, LP
a Texas Limited Partnership
By: Brian G. Murphey
Title: Authorized Signatory
Date: 2 ZO23
Contract Compliance Manager:
By signing, I acknowledge that I am the
person responsible for the monitoring
and administration of this contract,
including ensuring all performance and
reporting requirements.
- adn
Rebecca Diane Owen (Feb 16, 2023 16:20 CST)
Rebecca Owen
Planning Manager
Date: Feb 16, 2023
OFFICIAL RECORD
CITY SECRETARY
FT. WORTH, TX
5
STATE OF TEXAS
COUNTY OF TARRANT
This instrument was acknowledged before me on Fe,bruc\ -1 by
Dana Burghdoff, Assistant City Manager of the City of Fort Worth, o 'behalf of the City
of Fort Worth.
BROOKE BONNELL
_Notary Public,
State of Texas
": Comm. EMAres 10-11-2026
Notary ID 134009525
LANDOWNER
STATE OF !J
COUNTY OF j
Notary Public, State of Texas
BEFORE ME, the undersigned authority, a Notary Public in and for
the State of
lkK&/ on this day personally appeared �rr-+.-,-. Vi G- (v �p
(name), l y 4 " M.t_.a/ (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 r act and deed of -4 K l'p Uj (entity), a
M, T " (entity type) and in the capacity therein
stated.
GIVEN UNDER MY HAND AND SEAL OF OFFICE this k day
of - , 20IJ
PgUr�arg0 LESLIE B. WHITE
Notary Public, State of Texas
=ii �s
?fit IPg' Comm. Expires 08 29-2024
Notary ID 4176082
wAN � 1. j R
v �
•
STORMWATER FACILITY MAINTENANCE AGREEMENT 6
Rev. 03/01/2022 BN
EXHIBIT "A"
INSERT LEGAL DESCRIPTION
STORMWATER FACILITY MAINTENANCE AGREEMENT
Rev. 11 /17/2016
EXHIBIT "A"
PERMANENT DETENTION FACILITY EASEMENT
A PART OF THE JUAN ALBIRADO SURVEY, ABSTRACT NUMBER 4
FOUND 5/8" IRON ROD
WITH CAP STAMPED
"DUNAWAY ASSOC. LP"
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6
a Q o 6 N00'24'23"W
r & 226.03'
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POINT OF BEGINNING
POINT OF COMMENCING
FOUND 5/8" IRON ROD
WITH CAP STAMPED
"GORRONDONA"
C.C.D. NO. = COUNTY CLERK'S DOCUMENT NUMBER
D.R.T.C.T. = DEED RECORDS, TARRANT COUNTY, TEXAS
314.16' TO NORTHWEST
PROPERTY CORNER
N00'24'23"W
N89'35'38"E
F86.96'
- -_ _.a
S89'59'33"W
86.99'
256.43' TO SOUTHWEST
PROPERTY CORNER
N 00'24'23"W
0 60'
SCALE FEET
1 60'
LOT 11
BLOCK 5
D222138085
P.R.T.C.T.
11.83 AC
NEC CTR & McP, LP
C.C.D. NO. D219006987
D.R.T.C.T.
S00'00'27"W
205.43'
19,659 SQUARE FEET / 0.451 ACRE
PERMANENT DETENTION FACILITY
EASEMENT
S00'00'27"W
20.60' LOT 10
BLOCK 5
D222138085
P.R.T.C.T.
11.83 AC
NEC CTR & McP, LP
C.C.D. NO. D219006987
D.R.T.C.T.
McPHERSON BOULEVARD
T1MDE RIGHT-OF-WAY)
D213105807 P.R.T.C.T.
P.R.T.C.T. = PLAT RECORDS, TARRANT COUNTY, TEXAS
A metes and bounds description of
DUNAWA
even date accompanies this
drawing. 550 Bailey Avenue • Suite 400 • Fort Worth, Texas 76107
Tel:817.335,1121
DATE: JANUARY 12, 2023 FIRM REGISTRATION 10098100
PAGE 1 OF 2
DUNAWAY JOB NO. B001849.004
EXHIBIT "A"
PERMANENT DETENTION FACILITY EASEMENT
A PART OF THE JUAN ALBIRADO SURVEY, ABSTRACT NUMBER 4
PROPERTY DESCRIPTION
BEING a tract of land situated in the Juan Albirado Survey, Abstract No. 4, City of Fort Worth, Tarrant County,
Texas and being a part of that certain tract of land as described by deed to NEC CTR & McP, L.P., recorded in
County Clerk's Document No. D219006987, Deed Records, Tarrant County, Texas, and located on the tract known
as Lot 11, Block 5, Chisholm Trail Ranch Addition, recorded in County Clerk's Document No. D219006987, Plat
Records, Tarrant County, Texas, said tract of land bring more particularly described by metes and bounds as
follows:
COMMENCING at a 5/8" iron rod with yellow cap stamped "GORRONDONA" found for the intersection of the north
right—of—way line of McPherson Boulevard, a 130' width public right—of—way as shown on plat recorded in
County Clerk's Document Number D213105897, Plat Records, Tarrant County, Texas and the east right—of—way
line of Chisholm Trail Parkway (a variable width public right—of—way) recorded in County Clerk's Document
Number D212119258, Deed Records, Tarrant County, Texas;
North 00'24'23" West, along the east right—of—way line of said Chisholm Trail Parkway, a distance of 256.43
feet to the POINT OF BEGINNING of herein described tract of land;
THENCE North 00'24'23" West, along the east right—of—way line of said Chisholm Trail Parkway, a distance of
226.03 feet to a point;
THENCE North 89'35'38" East, departing the right—of—way line of said Chisholm Trail Parkway, a distance of
86.96 feet to a point;
THENCE South 00'00'27" West a distance of 205.43 feet to a property corner between Lot 10 and Lot 11;
THENCE South 00'00'27" West a distance of 20.60 feet to a point;
THENCE South 89'59'33" West a distance of 86.99 feet to the POINT OF BEGINNING and containing a calculated
area of 19,659 square feet or 0.451 acre of land.
NOTES: The basis of bearings for this Easement is the Texas Coordinate System of 1983, North Central Zone,
4202, based upon GPS measurements, according to the GPS Reference Network.
A drawing of even date accompanies this metes and bounds description.
The metes and bounds description contained herein was compiled from information contained in
recorded documents and does not reflect the results of an on the ground survey.
DUNAWAY JOB NO. B001849.004 PAGE 2 OF 2
j
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EXHIBIT "A"
PERMANENT DETENTION
FACILITY EASEMENT
A PART OF THE JUAN ALBIRADO SURVEY
-,,
ABSTRACT NUMBER 4
DUNAWA
Y
550 Bailey Avenue • Suite 400 • Fort Worth, Texas 76107
Tel: 817.335.1 121
FIRM REGISTRATION 10OV8100
City of Fort Worth, Tarrant County, Texas.
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PondMaker Worksheet Detailed Report: Worksheet (Pond) -1
Element Details
ID
58
Label
Worksheet (Pond) • 1
Select Pond to Design
Pond
Flow Allowed Below Target
75.0
Flow Allowed Above Target
0.0
Flow Allowed Below Target
96.0
Flow Allowed Above Target.
0.0
Volume Allowed Below Target
90.0
Volume Allowed Above Target
0.0
Toeeerance Display
Display PASS for values within specified tolerance
Notes
Volume
Pond Type Elevation- Use Void Space? False
Volume
Elevation -Volume
Pond Elevation
Pond Volume.
(it)
(ac-ft)
834.80
0.000
835.00
0.046
836.00
0.092
837.00
0,337
838.00
0.599
839.00
0:864
840.00
11131
841.00
1.400
842,00
1.671
843,00
1.943
844.00
2,218
845.00
2.495
846.00
2.773
POND
STAGE -STORAGE -DISCHARGE
TABLE
STAGE
STORAGE
*-ft)
DISCHARGE
(cfs)
834.8
0.000
0
835.0
0.046
0.00
836.0
0.092
1.62
837.0
0.337
2.54
838.0
0.599
3.25
839.0
0.864
3.85
840.0
1.131
4.49
841.0
1.400
7.85
842.0
1.671
10.00
843.0
1.943
11.66
844.0
2.218
13.10
844.1
2.233
13.22
Infiltration
Infiltration Method
No Infiltration
Output
Detention Tlme
None
Initial Conditions
Is Outflow Averaging On7
False Define Starting Water Surface Pond Invert
Elevation
Detention Pond Oullet.ppe
112j2023
Smiley 5ystehts, Inc. Hassled Methods Solution PondPeca CONNECT Edition
Center 110.02,00, 011
21 siemon company Drive Suite 200 W Page 1 or3
Watertown. CT 06795 USA +1>203-755-1666
DUNAWAY
550 Bailey Avenue • Suite 400 • Fort Worth, Texas 76107
Tel: 817.335.1 121
(TX REG. F-1114)
DETENTION POND CALCULATIONS
EXHIBIT B
SWFMA - CHISHOLM TRAIL RANCH
NEC OF McPHERSON BLVD
AND CHISHOLM TRAIL PARKWAY
PA GE 3 OF 12
PondMaker Worksheet. Detailed Report: Worksheet (Pond) - 1
PondMaker Worksheet (Routing Design)
Design Scenario
Design
Target Peak Computed Computed
Target
Return
Outflow Peak Outflow Peak Outflow
Outflow
Event
01:3/5) 01:3/s) vs, Target
volume
(ac•ft)
Post -Development 1
1
5.97 3.47 Pass
2.000
Post -Development 5
5
14,00 5.32 Pass
3.000
Post -Development 100
100
24.33 13.14 Pass
6,000
Computed computed
Routing Outlet
Computed Freeboard Maximum
Volume outflow
Structure
Max Water Depth Storage
Outflow Volume vs.
Elevation (ac-ft)
(ao-ttj Target
(ft)
1.528 Pass
Composite Outlet
838.34 Pass 0.690
Structure - 1
2.724 Pass
Composite Outlet
840.33 Pass 1.219
Structure - 1
5.611 Pass
Composite Outlet
844.03, Pass 2.227
Structure - 1
847.50
846.25
845.00
0 843.75
D
> 842.50
V
y 641.25
u
t 840.00
vt 838.75
837.50
836.2S
C
a 835,00
833.75
832.50
PondMaker Routing Design
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Plow (fta/s)
Composite Outlet Structure - 1 -a Target Rating Curve
-• Rost-Developmentl Post -Developments
- •= Post-Development100
Detention Pond Outlet.ppe
102023
�w DUNAWAY
550 Bailey Avenue - Suite 400 - Fort Worth, Texas 76107
Tel: 817.335.1 121
(TX REG. F-1114)
Bentley Systems, Ino. Haestad Mellwds SOWbdri PondPack CONNECT Edibm
Center- (10.02.00.011
27 Siamon Company Drive Sulle 200 W Page 3 or 3
Watertown, CT 06795 USA + 1.203.755.1666.
EXHIBIT B
SWFMA - CHISHOLM TRAIL RANCH
NEC OF McPHERSON BLVD
AND CHISHOLM TRAIL PARKWAY
PA GE 4 OF 12
3
NO TES:
1. NO SAVED OR PROPOSED
TREES IN THE MAINTAINED
AREA.
DUNAWAY
550 Baley Avenue • Suite 400 • Fort Wodh, Texas 76107
Tel: 817.335.1121
(TX REQ F-1114)
CHISHOLM TRAIL PARKWAY
COUNTY CLERK'S DOCUMENT NUMBER D212119258
DEED RECORDS, TARRANT COUNTY, TEXAS 0 40 80
(A VARIABLE WIDTH RIGHT—OF—WAY
...... __..._...
SCALE: 1"= 40 ft.
LANDSCAPING PLAN
EXHIBIT B
SWFMA - CHISHOLM TRAIL RANCH
NEC OF McPHERSON BLVD
AND CHISHOLM TRAIL PARKWAY PAGE 5 OF 12
3
E
w
DRAINAGE AREA SUMMARY
DRAINAGE
ACREAGE
Tc
C
11
Q1
15
Q5
1100
Q100
NOTES
AREA
DA IS ROUTED THROUGH
DETENTION POND THAT
ST3_08C
7.710
10
0.88
3.894
26.42
5.514
37.41
9.762
66.23
DISCHARGES AT RATES
LOWER THAN EXISTING
CONDITIONS
0 150 300
GRAPHIC SCALE IN FEET
� &*r
ouw►way
550 Bailey Avenue • Suite 400 • Fort Worth, Texas 76107
Tel: 817.335.1 121
(TX REG. F-1114)
14�
EXHIBIT B
SWFMA - CHISHOLM TRAIL RANCH
NEC OF McPHERSON BLVD
AND CHISHOLM TRAIL PARKWAY
PAGE 6 OF 92
DUNAWAY
550 Bailey Avenue • Suite 400 • Fort Worth, Texas 76107
Tel: 817.335.1 121
(TX REG. F-1114)
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12
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0RzocE
SWFMA - CHISHOLM TRAIL RANCH
NEC OF McPHERSON BLVD
AND CH ISHOLM TRAIL PARKWAY
PAGE 7 OF 72
TABLE OF VARIABLE DIMENSIONS 3,I TABLE OF ( TTABLE OF
AND QUANTITIES FOR ONE HEADWALLOO RE1NfORCENG STEEL CONSTANT DIMENSIONS
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`% DUNAWA�/ SWFMA - CHISHOLM TRAIL RANCH
550 Bailey Avenue • Suite 400 • Fort Worth. Texas 76107 NEC OF M c P H E R S O N B L V D
T(IXREEG.F5>ii' AND CHISHOLM TRAIL PARKWAY
PAGE 8 OF 12
Pond Outfull STA 0+00.00 TO STA 0+94.22
850 850
24'
NO TES.-
• DOWNSTREAM HGL (835.18)
IS THE 100-YR WSE ATSTA
18+12.35 - NTTA DITCH OF
HEC-RAS MODEL SUBMITTED
WITH DS-21-0060
ODUNAWAY
550 Bailey Avenue - Suite 400 - Fort Worth, Texas 76107
.1:817.335.1121
(TXREG. F-1114)
EMUS=
10-ININ't
jINS
mm
NORM
mm��
ml�'m
mmmm
0+00 I 0+94
544.0
EXHIBIT B
SWFMA - CHISHOLM TRAIL RANCH
NEC OF McPHERSON BLVD
AND CHISHOLM TRAIL PARKWAY
PAGE 9 OF 12
3
b
0
m
i ' I
0 30 60 i i ■ 1
GRAPHIC SCALE IN FEET
I I II � � � ■ I + T�I
I I
111 11 II ,I '
INSTALL ROCK
l co CHECK DAM,
a
I� m
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wZo
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j it ' ■ �� i � � I \
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i INSTALL INLET PROTECTION ON rF — -�— — — —
POND OUTFALL STRUCTURE +
mw w AU - o mi aawo
EXHIBIT B
'WDVNAWAy SWFMA - CHISHOLM TRAIL RANCH
550 Bailey Avenue • Suite 400 • Fort Worth, Texas 76107 NEC OF M c P H E RSO N B LV D
Tel:
VxREG3F111 )17.' AND CHISHOLM TRAIL PARKWAY
PAGE 10 OF 12
HANDRAIL IF REO'D
BY OTHERS
SEE HANDRAIL POST DETAIL
6
TIGHTLY RTIED STONE
NO MORTAR REQUIRED
INDICATES ZONE WHERE —
STONE IS TO BE FULLY
MORTARED TOGETHER TOP,
BOTTOM, FRONT AND BACK
TIGHTLY MORTARED FACE
CONTRACT DOCUM
4' 0'A WEEP HOLE,
O 8'-0' O.C.
6' MIN MOVE GRADE
MAX. 6' THICK COMPACTED SOIL
FINISHED GRADE
MAX. 6(H):1(V) SLOPE
REFER TO CIVIL FOR
FINAL GRADING
I.._� 2:rl....I—
FOUNDATION ZONE L
UNDISTURBED OR COMPACTED SILTY FAT CLAY WITH A PLASTICITY INDEX LESS THAN 50
TYPICAL MASONRY GRAVITY WALL SECTION
SCALE: NONE
DUNAWA
v
550 Bailey Avenue • Suite 400 • Fort Worth, Texas 76107
Tel: 817.335.1 121
(TX REG. F-1114)
FINISHED GRADE SLOPE AS REQUIRED MAX
10(H):1(V) SLOPE R07M TO CIVIL FOR FIAT.
GRADING
LTER FAB K; CYVER
TOP AND E kCK OF STONE
MIRAFI 140 I OR APPROVED EQUAL
UP
.......... 1_I.........._...... .....
_� I i.......
W
fr
I I i- 12- THICK CLAY CAP BY OTHERS
CROCK FACE MAY BE IRREGULAR
11,
FILTER FABRIC MOUND
DRAINAGE ZONE MIIUFl
.I 1 140N OR APPROVED EQUAL
AIL
ZONE
SILTY FAT CLAY WITH A
LASTI(m, INDEX LESS THAN 50
COMPACTED TO A MIN. 95%
STANDARD COMPACTION (ASTM D698)
-----,CONTINUOUS 1'-0' THICK NO 57
CLEAN FREE DRAINING
ROCK. SEE DETAIL A/RW3
FOR DRAINAGE ZONE ON WALLS
4'-0' OR LESS IN HEIGHT
—FlLTER FABRIC OVER
END OF WEEP PIPE
CETE ON ALL WALLS 4'0 FT
TOTAL HEIGHT OR LESS
EXHIBIT B
SWFMA - CHISHOLM TRAIL RANCH
NEC OF McPHERSON BLVD
AND CHISHOLM TRAIL PARKWAY
PAGE 71 OF 12
WHIGNUEM N UN AILK
WALL IN LIMESTONE FOUNDATION DETAIL
SCALE: NONE
WNAWAY
550 Bailey Avenue • Suite 400 • Fort Worth, Texas 76107
Tel: 817.335.1 121
(TX REG. F-1114)
ANRED WELDED WIRE FABRIC
)F EACH WALL FACE
HARD FLAT BEDDED WEATHERED LIMESTONE
EXHIBIT B
SWFMA - CHISHOLM TRAIL RANCH
NEC OF McPHERSON BLVD
AND CHISHOLM TRAIL PARKWAY
PA GE12OF12
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. 11 /17/2016
Exhibit "D"
Stormwater Structural Maintenance CHECKLIST
FREQUENT
INSPECTION
DATE
REPAIRS
REQUIRED
REPAIRS
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 -
Rap
STORMWATER FACILITY MAINTENANCE AGREEMENT
Rev. 11 /17/2016
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. 11/17/2016
I
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