HomeMy WebLinkAboutContract 46512 Cmr SECRETARY
CONTRACT NO, q-(,7
DOE # 5804
STORM WATER FACILITY
MAINTENANCE AGREEMENT
THIS AGREEMENT, made and entered into this day of FEBRUARY 16, 2015 by
and between Spiral Pipe of Texas, Inc. acting by and through Whitney R. Boydstun,
President/CEO, 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 1 acre tract located in the Felix G. Mulliken and William H. Little Survey,
Abstract 945, Tarrant County, Texas according to the plat recorded in Volume 106, Page
1, and Volume 388-48, Page 25 Plat 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 Facility Expansion, Spiral Pipe of
Texas, Inc. 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
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< WHEREAS, the City and the Landowner, and their successors and assigns, agree
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that the health, safety and welfare of the residents of the City of Fort Worth, Texas require
3
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that on-site Storm Water Management Facilities be constructed and maintained on a
Nportion of the Property; and
0
OFFICIAL RECORD
CITY SECRETARY
F7'. WORTH,TX
STORM WATER FACILITY MAINTENANCE AGREEMENT 1
Rev.09/10/2012
WHEREAS, the City requires that on-site Storm Water 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 Storm Water 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 Storm Water 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 these facilities are
performing their design functions. The Storm Water 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.
STORM WATER FACILITY MAINTENANCE AGREEMENT 2
Rev.09/10/2012
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
STORM WATER FACILITY MAINTENANCE AGREEMENT 3
Rev.09/10/2012
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.
[SIGNATURE PAGE FOLLOWS]
STORM WATER FACILITY MAINTENANCE AGREEMENT 4
Rev.09/10/2012
Executed this day o20L�
Landowner City of Fort Worth/
1"
LI .1, 6u4j ^6
Name: hitney R. Boydstun Fernando Costa
Title: President/CEO Assistant City Manager
Approved as to Form and Legality
Assistant City orney&ie-,,�- V .�
ATTEST
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X AS
NO M&C REQUIRED
OFFICIAL RECORD
CITY SECRETARY
FT. WORTH, TX
STORM WATER FACILITY MAINTENANCE AGREEMENT
Rev.09/10/2012
STATE OF TEXAS §
COUNTY OF TARRANT §
Lj 13 We l--4" This instrument was acknowledged before me on 4r,4,4/0' by
Assistant City Manager of the City of Fort Worth, on behalf of the City
of Fort Worth.
ON
Notary Plublic,state of Texas
v �? My Commission Expires Notary Pu ic, St f texas
April 17, 2018
STATE OF TEXAS §
COUNTY OF TARRANT §
Jaefore me, the undersigned authority on this 1 day of
, 20L�personally appeared Whitney R. Boydstun, known
to me to be the per on whose name is subscribed to the foregoing instrument and
acknowledged to me that the same is the act of Spiral Pipe of Texas, Inc., and that he
executed the same as its President/CEO and as the act of such Spiral Pipe of Texas, Inc.
and for the purposes and consideratio xpr ed in the foregoing instr ent.
=° BARBARAREXROAD
�U
Notary Public Notary Public, State of Texas
STATE OF Tp(AS
' .NO�a►►rber 2,2015
STORM WATER FACILITY MAINTENANCE AGREEMENT 6
Rev.09/10/2012
LEGAL LAND DESCRIPTION
MAINTENANCE AGREEMENT
BEING a portion of that certain tract of land in the Felix G. Mulliken Survey, Abstract No. 1045 and William H.
Little Survey, Abstract Number 945, City of Fort Worth,Tarrant County,Texas, described as Lot 2, Lot 3, and
Lot 4, Block D, Isaac Foster's Addition (hereinafter referred to as Lot 2, Lot 3, and Lot 4), an addition to the
City of Fort Worth,Tarrant County, Texas, according to the plat recorded in Volume 106, Page 1, Plat Records,
Tarrant County,Texas (P.R.T.C.T.), and a portion of Lot A, Block 160-R, City of Fort Worth (hereinafter referred
to as Lot A), an addition to the City of Fort Worth,Tarrant County,Texas, according to the plat recorded in
Volume 388-48, Page 25, P.R.T.C.T., and a portion of a 10-foot wide Alley as recorded in said Isaac Foster's
Addition and being more particularly described, by metes and bounds, as follows:
BEGINNING at the inner-ell corner of said Lot A, same being the intersection of the existing East right-of-way
line of Hays Street(60' right-of-way) with the existing North right-of-way line of Johnson Street(50'
right-of-way);
THENCE South 89 degrees 27 minutes 51 seconds West with the common lines between said Lot A, Lot 2, Lot
3, and Lot 4 and the existing North right-of-way line of said Johnson Street, a distance of 175.22 feet;
THENCE North 45 degrees 32 minutes 59 seconds West, departing the existing North right-of-way line of
Johnson Street and crossing said Lot 2, a distance of 49.19 feet to the West line of said Lot 2, same being the
East line of Lot 1, Block D, said Isaac Foster's Addition (hereinafter referred to as Lot 1);
THENCE North 00 degrees 33 minutes 49 seconds West with the common line between said Lot 2 and said Lot
1, a distance of 42.71 feet;
THENCE North 53 degrees 46 minutes 38 seconds East, departing the East line of said Lot 1 and crossing said
Lot 2 and crossing said 10-foot wide Alley, a distance of 47.17 feet to the North line of said 10-foot wide Alley,
same being the South line of that certain tract of land described as Lot 7, Block D of said Isaac Foster's
Addition (hereinafter referred to as Lot 7);
THENCE North 89 degrees 27 minutes 51 seconds East with the common line between said 10-foot wide alley
and said Lot 7 and that certain tract of land described as Lot 6, Block D of said Isaac Foster's Addition and that
certain tract of land described as Lot 5, Block D of said Isaac Foster's Addition and also a tract of land described
as Tract 2 in a Special Warranty Deed to AmCap Hampton, LLC(hereinafter referred to as Tract 2) as recorded
in Instrument Number D213069670, Deed Records Tarrant County,Texas, a distance of 145.70 feet;
THENCE South 00 degrees 32 minutes 09 seconds East, departing the South line of said Tract 2 and crossing
said 10-foot wide alley and a portion of said Lot A, a distance of 15.00 feet;
THENCE South 89 degrees 27 minutes 51 seconds West crossing said Lot A,said Lot 2, Lot 3, and Lot 4, a
distance of 140.87 feet;
THENCE South 53 degrees 46 minutes 38 seconds West crossing said Lot 2, a distance of 34.64 feet;
THENCE South 00 degrees 33 minutes 49 seconds East continue crossing said Lot 2, a distance of 28.80 feet;
THENCE South 45 degrees 32 minutes 59 seconds East continue crossing said Lot 2, a distance of 36.77 feet;
THENCE South 89 degrees 27 minutes 51 seconds West continue crossing said Lot 2, Lot 3 and Lot 4 and said
Lot A, a distance of 169.02 feet;
THENCE South 00 degrees 30 minutes 49 seconds East continue crossing said Lot A, a distance of 15.00 feet
to the PLACE OF BEGINNING.
Prord Na.999-I4-0 DaW_2f16¢2ET15 P�r 2 Df z 1 C1 ed Ey NA7 r BANNISTER
MAINTENANCE AGREEMENT
PORTION OF LOT Z 3&4,BLOCK D,ISAAC FOSTER'S ADDITION 1 E N G I N E E R I N G
AND A PORTION OF LOT A,BLOCK 160•R,CITY OF FORT WORTH AND
A PORTION OF 10-FOOT ALLEY 1696 Cuunby Oub Drive i Marafieid.TK 76063 317.842.2094 1817.842.2095 fix
CITY OF FORT WORTH,TARRANT COUNTY,TEXAS L TBP+LS REGISTRATION NO.10193823
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EXHIBIT "B"
DESIGN SPECIFICATIONS
STORM WATER FACILITY MAINTENANCE AGREEMENT 10
Rev.09/10/2012
EXHIBIT "B-1": DEMOLITION EXHIBIT
laD
I I 3
LLo
1001
I I Iv- cI
II
� = 00
N006 33' "W 95.00' I
/ EXISTING TREE TO REMAIN g=
I 7 USE TREE PROTECTION /
0
I LL-
/ / CH'AI LI° FENCE
/ HAUL OFF DEBRIS
I I REMOVE EXISTING TREES d I r
HAUL OFF DEBRIS r r j �
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..................TTAN
F err' uiry� jii/ TRAVIS ASID /
0.. of
.............................
F REMOVE EXISTING CONTRACTOR SHALL WORK WITH i g 8 433 i
m CHAIN LINK FENCE LOCAL UTILITY COMPANIES TO /I
HAUL OFF DEBRIS RELOCATE POWER POLE/GUY WIRES 11 O,� •. ,..E
8 I PER OWNER DIRECTION I It
SAWCUT AND REMOVE EXISTING
/ I r CONCRETE PAVEMENT
l HAUL OFF DEBRIS. COORDINATE Q�L•��7��fq
WITH OWNER. 1 "jOY`q 1
0
cn
i EXISTING CONCRETE I
TO REMAIN U
1
.� FULL DEPTH CAUTION: REMOVE EXISTING
SAWCUT LINE COMPRESSOR CHAIN LINK FENCE
TO BE RELOCATED. HAUL OFF DEBRIS
Qp
4p
REMOVE EXISTING
RAIL AND POSTS II
HAUL OFF DEBRIS
EXISTING CONCRETE
TO REMAIN
n
SPIRAL PIPE OF TEXAS
STORM WATER FACILITY MAINTENANCE AGREEMENT
IREV.1/22/2015 SCALE:1"=30' SHEET 1 OF 1
k I< '2-As A-0:-c
EXHIBIT "B-2": SITE EXHIBIT
I� =I
w I APPROX 121LF OF 10 o 1 - y
3' DRAINAGE FLUME I SEE DETAIL ON SHEET C-3.1 159 8
DRAINAGE M I GE FLU E
;PROPOSED PROPOSED z
15' DRAINAGE END CURB a 15' DRAINAGE
20.0' SEMENT o ��W EASEMENT PROPOSED
15' DRAINAGE
EASEMENT
t.• I
N� .. .1'• BEGIN CURB
.W
4 J ROLL-UP DOOR
HEAVY DUTY I 135LF OF 10EVEN Flow PROPOSED
CAST IRON TRAFFIC DRAINAGE RELEASE FLUME 5' DRAINAGE
GRATE o '� I SEE DETAIL ON SHEET C-3.1 EASEMENT
'moI 1-1-10
1 1,4
N I
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W — �—
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WARPEDAAVEMMENT TO
I ZE
EOTITISPACEIPROPOSED NEGOTIATION I �`�•���1
15' DRAINAGE ( AND STORAGE AREAS I I M •(E 0 F rE -q 11
EASEMENT nl I i.tQ;♦•• •.S 1
SAWCUT LINE I I / * •• . *d/
MATCH FLUSH i 1 Ln / * : .................
...............
/ TRAVIS N. ATTANASIO /
E '? ROLL-UP DOOR I c . r� '
n 9 4 3 3
I .o
I TRUCK Go �.RAMP I Z 1 O•• C
4Y N N
-- 5.0'
034.2'
c
0
°D STORAGE
0 o AREA
HC SIGN MAN GATE
(VAN ACCESSIBLE) IN FENCE
LBJ WHEEL STOP
(LOCATE 38'
FROM RAMP)
4' WHITE STRIPE STORAGE
n (24' O.C) ARFA
SPIRAL PIPE OF TEXAS
STORM WATER FACILITY MAINTENANCE AGREEMENT
REV. 1/22/2015 SCALE:V=30' SHEET 1 OF 1
)o I tiJ s Ij "B-3": GRADING EXHIBII�Q in
zl
I I 1EXHIBIT
Ii 3 0
� 2
I= of
I ` I Ex 561.77 I L 1
I EX 562.30 ce
cl
/ NOTRT 4 "W 95.00' 7C560.00
Ex 562.00 / _ 560.60 I
1.16 561.34 / 560. 561.34 I lr
I :1.1
HP561.34I �. 561 4a 561.34
I � } TC58 18 ', �C •� �, 1
Ex 561.24 '" n r7W558.90
B1W55s.35
B 9.13 I
sws5e:a5 I
T 1.16 58.58 B
561.18 5$1.48
}
o I I
i- O 1
I C) 55Q.29 ; 561.ti8GR. I
II
rc5541.91N 3: I560.49 z TwS�a. o } TW'558.90
36,.0o O II 00
Ex 581.05 F, 1 / 3Lq
R40LL OR APPROVED
EX 561.08
o I c \ Z p �L: CD I
PAVEMENT U) (D I p E E
STRIPINGIL' 560.32 Q
)0 559.64 I
559.76 561.08Gf2 I cq T VAW.90
560.95 I
r
_ 560.93 581.00 I I Y
TW559.40 I rn
C� 1 __
1 I N 'TW558.90
d I PAs�EA1tD`IT S1RtPV('!G 0
A I A Ico
z
L-70561.05I I I\
560.45 559.98
560.32 560.03 F.561.58
55860.15 FI-557.68560.10 F.F.561.58
� / I
580.88 500.53 TW558.90
\
560.18 581.58 \ TW559.40
560.22 560 I R BW55&18, ��\\
E OF TE \\�
OPE 2XF.F.561.58 I o,�P�.• •.:r.4 1+
560.26 _ 860.58 I �' h:' '•s
580.58 561.08
560.53
f,TRAVIS N.•ATTANASIO
...... ...................:...
HC AREA STRIPING. 1/ ,p 9 43
MAXIMUM SLOPE 2% F 'P •. .01
560.50 IN ALL DIRECTIONS. 1t \S3 CE ,E'�
SPIRAL PIPE OF TEXAS Ao
STORM WATER FACILITY MAINTENANCE AGREEMENT
REV.1/22/2015 SCALE:I"=30' SHEET 1 OF 1
Qv
EXHIBIT "B-4": GRADING SECTIONS
z 22.70' 3'j 9.16'
3 TOP GRATE
0 561.16
CAST IRONJOINTER+T SEALWITH
HEAVY DUTY ASPHALT FIBER BOARD
GRATE 561.50
2.532
N
EXISTING GROUND CHANNEL DDOWEL A BARS AT 12"
011.3 cfe
D-0.7' COMPACTED
SECTION "C— cof SUBGRADE
NTS
HEAVY DUTY CAST IRON
Lu TRAFFIC RATED GRATE TOP
z TOP-561.16
SEE BOX DETAIL THIS SHEET
o�
0.50"i
12.0' 3'j 16.5' 5' '�
JOINT SEALER WITH
EXISTING ASPHALT XxASPHALT FIBER BOARD
PAVEMENT x F.F.-561.58
561.24 I 2-OX /��MATCH FLUSH
N
NEW CONCRETE FL CHANNEL DOWELs 1Esc w�
DRIVE APPROACH Q-11.3
0 7' cfs ' `
COMPACTED �P�E OF TFC,1%,,
SECTION 'B—B" SUBGRADE ��y;: ''••qs*��,
wTS ........
....t . .•.*
� . ............ . •�
: EASEMENT3of TRAVIS N.ATTANASIO
/
/................ .V . /
C5 Pj ,�:.. 98433 1s
X11►�' 0'c
14.50' 13.5' 3' 113.50t��,K'� •' s
CL VALLEY X,
MATCH EXISTING 559.98
560.32 w fi�11.3 cfs ^
JOINT SEALER WITH t� 7
EXISTING ASPHALT W-6.54 �N-T FIBFR BolUm
PAVEMENT > BOTTOM RAMP F.F.-561.58 l
560.70 0
L560.03 MATCH FLUSH
CV
EXISTING CONCRETE DOWEL 03 BARS AT 1Y
PAVEMENT O.C. 1/2 E)a511Nc WALL
1.67X
COMPACTED
SUBGRADE
SECTION "A--A"
NTS
SPIRAL PIPE OF TEXAS
STORM WATER FACILITY MAINTENANCE AGREEMENT
REV.1/22/2015 SHEET 1 OF 2
EXHIBIT "B-4": GRADING SECTIONS
2.5 z
TOP INSIDE WALL 7.5 10.0' J
559.40
3
O
561.08 ci TOP OUTSIDE WALL
1 0' 1 558.90
5.0% oe EXISTING GROUND
1�
1.5'
8"
8 EVENLY SPACED
COMPACTED OPENINGS
SUBGRADE
SECTION "E-E"
NTS
5.2' Sj 16.20' 12.0'
3
O
TOP OUTSIDE WALL -5EAK
611 BREAK JOINT SEALER
BOARD
560.50 F.F.-561.58
4.56%
20% MATCH FLUSH
N
TOP PVMT
560.60 DOWEL As BARS AT 12-
O.C. 1/2 DOS TNG WALL
FL CHANNEL
f-11.3 ch; COMPACTED
D_0.97' SECTION "D-D" SUSGRADE
NTS _�EOF TE
i ..;�,4�110
P•-r 1 N.•ATTANASIO•�
...........
................ :..
98 33
1�O'• , CE
S
SPIRAL PIPE OF TEXAS
STORM WATER FACILITY MAINTENANCE AGREEMENT r T
REV.1/22/2015 l ��OS� SHEET 2 OF 2
EXHIBIT "B-5": DETAILS
DESIGN SPECIFICATIONS
TOP BACK WALL = 559.40
135.0' TOP FRONT WALL = 558.90
8 EVENLY SPACED WATER OVERFLOW
OPENINGS 1 Xt" WIDE ELEV. =559.0
(IF FORMED WHILE POURING USE
2X8 AS SPACER, OTHERWISE CUT
OPENINGS) FL ELEV. =558.35
FL ELEV. =557.68 0.50
10' EVEN FLOW DRAINAGE RELEASE FLUME
NTS
PROPOSED
GRADE PROPOSED
B' 10.0' 12" GRADE
B' 3.0'
/4 O 12OCEW
INSTALL #4 O 12' OCEW
CURLEX
4'-0' max.
/3 O 18. OCEW 4'-0' max.
2" /3 O 18' OCEW
6' 2
6'
24' min.
T.E
RELEASE FLUME DETAIL 3' FLUME DETAIL
NTS
NTS
HEAVY DUTY CAST IRON (NEENAH R-4990—LX
OR APPROVED EQUAL)
TRAFFIC RATED GRATE TOP
TOP=561.16
•• CONTRACTOR TO VERIFY THICKNESS
OF CAST IRON GRATE PRIOR TO CONSTRUCTION
OF PROPOSED GRATE LEAVE OUTS
PROPOSED
GRADE
8' 3.0' /1"x3" LEAVE OUT
FOR GRATE TOP
/4 O 12' OCEW
E O F
+'-0• max. o ............
' .;9
#3 O 18' OCEW y:' •• FC
24• min. / TRAVIS N.ATTANASIO /
/................................
98433 of
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3' FLUME DETAIL OVER DRIVE
NTS /I
SPIRAL PIPE OF TEXAS
STORM WATER FACILITY MAINTENANCE AGREEMENT CG
REV. 1/22/2015 P—1 SHEET 1 OF 1
EXHIBIT "B-6": DRAINAGE CALCULATIONS
DRAINAGE AREA NAME
AREA uMaor® COMMBCIAL AREA
NAME INDWTNA` ac. C C•A Tc 12 Q2 1100 Q100 COMMENTS
0.30 10.90
EXISTING CONDITIONS
DA-1 1 0.40 1 0.96 1.4 0.72 0.98 10 4.71 4.64 9.24 9.10 SHEET FLOW TO EXISTING SWALE ALONG RAILROAD TRACKS
PROPOSED COND111IMS
DXI 1 1 1.36 1 1.4 1 0.90 1 1.22 1 10 1 4.71 1 5.77 1 9.24 1 11.32 1 SHEET FLOW TO EXISTING SWALE ALONG RAILROAD TRACKS
DRAINAGE CALCULATIONS
FLOW OUT 1 1/2" OPENINGS AT BOTTOM OF RELEASE FLUME
OPENING# H L Q Q TOTAL
1 0.5 0.125 0.03 0.03
2 0.621429 0.125 0.07 0.11
3 0.742857 0.125 0.14 0.25
4 0.864286 0.125 0.23 0.48
5 0.985714 0.125 0.36 0.84
6 1.107143 0.125 0.54 1.37
7 1.228571 0.125 0.77 2.14
1 8 1.35 0.125 1.06 3.20
8 OPENINGS ON 10't CENTERS
OTOTAL = 3.2cfs
0100 OVER WEIR (135' LONG) = 11.3-3.2 = 8.1cfs
® 8.1cfs , DEPTH OVER WEIR = 0.1'
X-CUT SET IN CONCRETE
N:6963854.53
E:2329145.49
ELEV.=658.96
BM #2:
CP PK
N:6963477.12
E:2329105.20 0 F Tic
ELEV.=566.61
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SPIRAL PIPE OF TEXAS
STORM WATER FACILITY MAINTENANCE AGREEMENT
REV.1/22/2015 SHEET 1 OF 1
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EXHIBIT "C"
OPERATION AND MAINTENANCE PLAN
STORM WATER FACILITY MAINTENANCE AGREEMENT 13
Rev.09/10/2012
Exhibit "C"
CITY OF FORT WORTH STORM WATER 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. Silt shall be
removed and the flume returned to original condition shown on the approved
engineering plans. In addition, corrective measures are required any time the
flume does not drain completely within 72 hours of cessation of inflow. NO
STANDING WATER IS ALLOWED in the flume.
Accumulated litter, sediment, and debris shall be removed every 6 months or as
necessary to maintain proper operation of the flume. Disposal shall be in
accordance with federal, state and local regulations.
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 flume's primary components and
silt/litter and debris removal dates.
• Written maintenance and repair records shall be maintained by the
party or parties signing the attached Agreement and shall be provided
to the City upon request.
STORM WATER FACILITY MAINTENANCE AGREEMENT 14
Rev.09/10/2012
EXHIBIT "D"
MAINTENANCE CHECKLIST
STORM WATER FACILITY MAINTENANCE AGREEMENT 15
Rev.09/10/2012
Exhibit "D"
Storm Water Structural Maintenance CHECKLIST
FREQUENT REPAIRS REPAIRS
INSPECTION DATE REQUIRED MADE NOTES
Remove Trash and
debris
Violations Noted
INSPECTION
Condition of Flume
Amount of silt in
flume
Amount of ponded
water
Location of Erosion
STORM WATER FACILITY MAINTENANCE AGREEMENT6
Rev.09/10/2012