Item 8 - PlansW W W W W W W W W W W W W W W W W W W W W W W W W W
S
0
°
1
5
'
4
2
"
E
1
7
8
.
9
1
'
N88°19'00"W 209.00'
N
0
°
1
5
'
4
2
"
W
1
7
9
.
2
4
'
MARCUS D. WAYLAND
INSTRUMENT NO.
D207426882
O.P.R.T.C.T.
(Also known as "W. Southlake Boulevard"; 130' R.O.W.)
5' EXISTING UTILITY EASEMENT
10' EXISTING UTILITY EASEMENT
15' EXISTING UTILITY EASEMENT
LOT 32, BLOCK 2-COMMON AREA;
TIMBER LAKE SECTION 1
CABINET A, PAGE 485; P.R.T.C.T.
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: RPUD
LOT 32, BLOCK 2-COMMON AREA;
TIMBER LAKE SECTION 1
CABINET A, PAGE 485; P.R.T.C.T.
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: RPUD
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: AG
S88°13'35"E 209.01'
VARIABLE WIDTH EXISTING UTILITY
& SLOPE EASEMENT
Volume 15845, Page 244
STATE OF TEXAS
VOL. 9848, PG. 22
D.R.T.C.T.
SS SS
FH
W
W
W
W
W
W
W
W
W
W
S
S
S
S
S
S
10' TYPE F1 BUFFERYARD
15' BUILDING LINE
10
'
T
Y
P
E
F
1
B
U
F
F
E
R
Y
A
R
D
50' BUILDING LINE
10' (REDUCED WIDTH) TYPE M BUFFERYARD
10
'
T
Y
P
E
F
1
B
U
F
F
E
R
Y
A
R
D
15
'
B
U
I
L
D
I
N
G
L
I
N
E
5 8
106
BUILDING 1
General Office
28' - 1 story
9,913 SF
0.859 AC
7
40
'
B
U
I
L
D
I
N
G
S
E
T
B
A
C
K
X
X
X
X
X
X
X
X
/
/
//
/
/
/
/
/
/
/
/
24'
18'
24'
18'
9'
15'
10'
10'
10.5'
APPROX. 310' TO TIMBER LAKE PLACE
APPOX. 692' TO
STONE LAKES DR.
13'
83'
PROP.
DUMPSTER
W/ 8' MASONRY
SCREENING WALL
TO MATCH BUILDING
& GATE
24'
36'
63'
21'
18'
3'
EXISTING 8' MULTI-USE TRAIL
PROPOSED
FIRE HYDRANT
R30'
61'
131'
76'
5'
5'
15'
15'
UTILITY
EASEMENT
F
I
R
E
L
A
N
E
F
I
R
E
L
A
N
E
F
I
R
E
L
A
N
E
F
I
R
E
L
A
N
E
FIRELANE
FI
R
E
L
A
N
E
FI
R
E
L
A
N
E
FIR
E
L
A
N
E
FIRELANE FIRELANE FIRELANE FIRELANE
F
I
R
E
L
A
N
E
F
I
R
E
L
A
N
E
F
I
R
E
L
A
N
E
F
I
R
E
L
A
N
E
F
I
R
E
L
A
N
E
F
I
R
E
L
A
N
E
RECIPROCAL DRIVEWAY
EASEMENT
EX. CONCRETE
8' MASONRY
SCREENING WALL
8' MASONRY
SCREENING WALL
13'
13'
R30'R30'
R30'
R20'
R54'
R30'
185 LF OF
PROPOSED 6'
WOODEN FENCE
16' ACCESS
GATE
PROPOSED
MONUMENT SIGN
12'
FUTURE
ACCESS DRIVE
GRAPHIC SCALE
FEET04020
SCALE: 1" = 20'
C
SHEET:
Copyright 2020, Kirkman Engineering
DEVELOPER/OWNER
DRAWN BY:
JOB NUMBER:
CHECKED BY:
DESIGNED BY:
ISSUE DATE:
REV:
Texas Firm No: 15874
Kirkman Engineering, LLC
TIMBERLAKE
OFFICE
SR319001
1/31/20
SOUTHLAKE,
TEXAS
5200 State Highway 121
Colleyville, Texas 76034
Phone: 817-488-4960
CITY CASE No. ZA19-0025
SITE
PLAN
FI
L
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N
A
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:
PR
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P
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3
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\
0
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S
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P
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A
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0
3
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P
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n
\
P
R
E
L
I
M
I
N
A
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S
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P
L
A
N
-
E
PL
O
T
T
E
D
D
A
T
E
:
2/
3
/
2
0
2
0
SITE MAP
N.T.S.
SITE
SITE PLAN
City Project No. ZA19-0025
TIMBERLAKE OFFICE
0.859 acre tract out of the J.T. Bailey Survey, Abstract
No. 97, City of Southlake, Tarrant County, Texas
Preparation Date: 01/31/2020
ENGINEER / APPLICANT
Kirkman Engineering
5200 TX 121
Colleyville, Texas 76034
Telephone (817) 488-4960
TBPE No. 15874
Contact: Jonathan Schindler, P.E.
SURVEYOR
Barton-Chapa Surveying
5200 TX 121
Colleyville, Texas 76034
Telephone (817) 864-1957
Contact: Jack Barton
LEGEND
PROPOSED FACE AND
BACK OF CURB
PROPOSED FIRE LANE
PAVEMENT
PROPOSED LANDSCAPE
BUFFER AREA
PROPOSED SIDEWALK
FIRE LANE STRIPING
PROPOSED FIRE
HYDRANT
PROPOSED SANITARY
MANHOLE
PROPOSED CURB INLET
PROPOSED GRATE INLET
ACCESSIBLE ROUTE
PARKING COUNT
FH
MH
FIRELANE
1
FM 1709SO
U
T
H
R
I
D
G
E
LA
K
E
S
P
K
W
Y
S
H
A
D
Y
O
A
K
S
D
R
I
V
E
OWNER
SR3 Properties, LLC
1333 Corporate Dr. Suite 264
Irving, TX 75038
Telephone (469) 436-8881
Contact: Steve Barber
10' TYPE F1 BUFFERYARD
15' BUILDING LINE
10
'
T
Y
P
E
F
1
B
U
F
F
E
R
Y
A
R
D
50' BUILDING LINE
10' (REDUCED WIDTH) TYPE M BUFFERYARD
10
'
T
Y
P
E
F
1
B
U
F
F
E
R
Y
A
R
D
15
'
B
U
I
L
D
I
N
G
L
I
N
E
BUILDING 1
General Office
28' - 1 story
9,913 SF
0.859 AC40
'
B
U
I
L
D
I
N
G
S
E
T
B
A
C
K
/
/
//
/
/
/
/
/
/
/
/
S
0
°
1
5
'
4
2
"
E
1
7
8
.
9
1
'
N88°19'00"W 209.00'
N
0
°
1
5
'
4
2
"
W
1
7
9
.
2
4
'
(Also known as "W. Southlake Boulevard"; 130' R.O.W.)
5' EXISTING UTILITY EASEMENT
10' EXISTING UTILITY EASEMENT
15' EXISTING UTILITY EASEMENT
S88°13'35"E 209.01'
VARIABLE WIDTH EXISTING UTILITY
& SLOPE EASEMENT
Volume 15845, Page 244
W W W W W W W W W W W W W W W W W W W W W W W W W W W W W
SS SS
FH
W
W
W
W
W
W
W
W
W
W
S
S
S
S
S
S
0
GRAPHIC SCALE
(IN FEET)
1 INCH = FEET20
402020
P.O. BOX 28
COLLINSVILLE, TEXAS 76233
PHONE: 972-800-0676
AMY_LONDON@LONDON-LANDSCAPES.NET
IRRIGATION NOTE
LANDSCAPE
PLAN
L1.00
H
I
O
S T E
M
C
C
T
T
E
SA
A
ET
S
T
A
I
R E G
12
O F
9 7
ET X
R
LDRE
CAANDS EP
A
N
NOL
D
S.Y
1/31/2020
SITE MAP
N.T.S.
SITE
LANDSCAPE PLAN
City Project No. ZA19-0025
TIMBERLAKE OFFICE
0.859 acre tract out of the J.T. Bailey Survey, Abstract
No. 97 City of Southlake, Tarrant County, Texas
Preparation Date: 1/13/2020
OWNER
ENGINEER / APPLICANT
SR3 Properties, LLC
1333 Corporate Dr. Suite 264
Irving, TX 75038
Telephone: (469) 436-8881
Contact: Steve Barber
Kirkman Engineering
4821 Merlot Ave., Suite 210
Grapevine, Texas 76051
Telephone (817) 488-4960
TBPE No. 15874
Contact: Shea Kirkman, P.E.
SURVEYOR
Barton-Chapa Surveying
4821 Merlot Ave., Suite 210
Grapevine, Texas 76051
Telephone (817) 864-1957
Contact: Jack Barton
C Copyright 2020, Kirkman Engineering
DEVELOPER/OWNER
Texas Firm No: 15874
Kirkman Engineering, LLC
TIMBERLAKE
OFFICE
SR319001
1/31/2020
SOUTHLAKE,
TEXAS
4821 Merlot Avenue, Suite 210
Grapevine, Texas 76051
Phone: 817-488-4960
EXISTING 24" OAK TO BE PRESERVED
COUNTS FOR 3 ACCENT TREES REQUIRED
FOR SOUTH BUFFERYARD
8' HT. BOARD ON BOARD WOOD FENCE
SEE CIVIL PLANS FOR DETAILS
8' HT. MASONRY WALL
SEE CIVIL PLANS FOR DETAILS
8' HT. MASONRY WALL
SEE CIVIL PLANS FOR DETAILS
TREE MITIGATION NOTE
FM 1709 S
H
A
D
Y
O
A
K
S
D
R
I
V
E
S
O
U
T
H
R
I
D
G
E
LA
K
E
S
P
K
W
Y
.
LANDSCAPE VARIANCE NOTE
W W W W W W W W W W W W W W W W W W W W W W W W W
S
0
°
1
5
'
4
2
"
E
1
7
8
.
9
1
'
N88°19'00"W 209.00'
N
0
°
1
5
'
4
2
"
W
1
7
9
.
2
4
'
MARCUS D. WAYLAND
INSTRUMENT NO.
D207426882
O.P.R.T.C.T.
(Also known as "W. Southlake Boulevard"; 130' R.O.W.)
5' EXISTING UTILITY EASEMENT
10' EXISTING UTILITY EASEMENT
15' EXISTING UTILITY EASEMENT
LOT 32, BLOCK 2-COMMON AREA;
TIMBER LAKE SECTION 1
CABINET A, PAGE 485; P.R.T.C.T.
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: RPUD
LOT 32, BLOCK 2-COMMON AREA;
TIMBER LAKE SECTION 1
CABINET A, PAGE 485; P.R.T.C.T.
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: RPUD
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: AG
S88°13'35"E 209.01'
VARIABLE WIDTH EXISTING UTILITY
& SLOPE EASEMENT
Volume 15845, Page 244
STATE OF TEXAS
VOL. 9848, PG. 22
D.R.T.C.T.
64
5
645
6
4
5
10' TYPE F1 BUFFERYARD
15' BUILDING LINE
10
'
T
Y
P
E
F
1
B
U
F
F
E
R
Y
A
R
D
50' BUILDING LINE
10' (REDUCED WIDTH) TYPE M BUFFERYARD
10
'
T
Y
P
E
F
1
B
U
F
F
E
R
Y
A
R
D
15
'
B
U
I
L
D
I
N
G
L
I
N
E
5 8
106
BUILDING 1
General Office
28' - 1 story
9,913 SF
0.859 AC
7
40
'
B
U
I
L
D
I
N
G
S
E
T
B
A
C
K
X
X
X
X
X
X
X
X
/
/
//
/
/
/
/
/
/
/
/
PROP.
DUMPSTER
W/ 8' MASONRY
SCREENING WALL
TO MATCH BUILDING
& GATE
6' MASONRY
SCREENING WALL
6' MASONRY
SCREENING WALL
1
2 3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
LEGEND
GRAPHIC SCALE
FEET04020
SCALE: 1" = 20'
C
SHEET:
Copyright 2020, Kirkman Engineering
DEVELOPER/OWNER
DRAWN BY:
JOB NUMBER:
CHECKED BY:
DESIGNED BY:
ISSUE DATE:
REV:
Texas Firm No: 15874
Kirkman Engineering, LLC
TIMBERLAKE
OFFICE
SR319001
1/31/20
SOUTHLAKE,
TEXAS
5200 State Highway 121
Colleyville, Texas 76034
Phone: 817-488-4960
CITY CASE No. ZA19-0025FI
L
E
N
A
M
E
:
TR
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3
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PL
O
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T
E
D
D
A
T
E
:
1/
3
1
/
2
0
2
0
SITE MAP
N.T.S.
SITE
City Project No. ZA19-0025
TIMBERLAKE OFFICE
0.859 acre tract out of the J.T. Bailey Survey, Abstract
No. 97, City of Southlake, Tarrant County, Texas
Preparation Date: 01/31/2020
ENGINEER / APPLICANT
Kirkman Engineering
5200 TX 121
Colleyville, Texas 76034
Telephone (817) 488-4960
TBPE No. 15874
Contact: Jonathan Schindler, P.E.
SURVEYOR
Barton-Chapa Surveying
5200 TX 121
Colleyville, Texas 76034
Telephone (817) 864-1957
Contact: Jack Barton
PROTECTED TREE
TO REMAIN
BORDERLINE TREE
PROTECTED TREE TO BE
REMOVED
TREE PROTECTION FENCE
BUFFERYARDS
NOTES:
ALL EXISTING TREES SHOWN ON THIS
TREE SURVEY ARE PROTECTED TREES,
WITH A DBH OF SIX (6) INCHES OR
GREATER.
FM 1709SO
U
T
H
R
I
D
G
E
LA
K
E
S
P
K
W
Y
S
H
A
D
Y
O
A
K
S
D
R
I
V
E
OWNER
SR3 Properties, LLC
1333 Corporate Dr. Suite 264
Irving, TX 75038
Telephone (469) 436-8881
Contact: Steve Barber
TREE
CONSERVATION
PLAN
ALTERED TREE NOTE:
ALL PROTECTED TREES SHOWN ON THIS PLAN
TO BE ALTERED ARE REQUIRED TO BE REMOVED
DUE TO THE PROPOSED IMPROVEMENTS,
INCLUDING BUILDING PADS, REQUIRED PARKING
AREAS, DRIVEWAYS, FIRE LANES, REQUIRED
UTILITY AND DRAINAGE INFRASTRUCTURE AND
GRADING.
MITIGATION NOTE:
DEVELOPER TO MITIGATE THROUGH REFORESTATION OR PAY
INTO CITY TREE MITIGATION FUND FOR APPROXIMATELY 211
CALIPER INCHES.
MARCUS D. WAYLAND
INSTRUMENT NO.
D207426882
O.P.R.T.C.T.
(Also known as "W. Southlake Boulevard"; 130' R.O.W.)
LOT 32, BLOCK 2-COMMON AREA;
TIMBER LAKE SECTION 1
CABINET A, PAGE 485; P.R.T.C.T.
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: RPUD
LOT 32, BLOCK 2-COMMON AREA;
TIMBER LAKE SECTION 1
CABINET A, PAGE 485; P.R.T.C.T.
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: RPUD
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: AG
LOT 3, BLOCK 8
STONE LAKES ADDITION
EXISTING USE: MEDIUM DENSITY RESIDENTIAL
W W W W W W W W W W W W W W W W W W W W W W
64
5
645
6
4
5
BUILDING 1
General Office
28' - 1 story
9,913 SF
0.859 AC
X
X
X
X
X
/
/
/
/
/
/
/
/
A-4
0.03 ac.
A-1
0.81 ac.
A-3
0.14 ac.
A-2
0.23 ac.
EX. STORM PIPE (PUBLIC)
FFE= 646.15
PR
O
P
.
S
T
O
R
M
(
P
R
I
V
A
T
E
)
EXISTING 15'X3'
CURB INLET
(S.I. H-1)
(RE: TXDOT PERMIT PLANS,
DATED 1992, CCSJ-1603-03-018)
EXISTING 24" RCP
(RE: TXDOT PERMIT PLANS,
DATED 1992, CCSJ-1603-03-018)
GRAPHIC SCALE
FEET04020
SCALE: 1" = 20'
C
SHEET:
Copyright 2020, Kirkman Engineering
DEVELOPER/OWNER
DRAWN BY:
JOB NUMBER:
CHECKED BY:
DESIGNED BY:
ISSUE DATE:
REV:
Texas Firm No: 15874
Kirkman Engineering, LLC
TIMBERLAKE
OFFICE
SR319001
1/31/20
SOUTHLAKE,
TEXAS
5200 State Highway 121
Colleyville, Texas 76034
Phone: 817-488-4960
CITY CASE No. ZA19-0025
POST-DEVELOPMENT
DRAINAGE PLAN
FI
L
E
N
A
M
E
:
PR
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:
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:
1/
3
1
/
2
0
2
0
SITE MAP
N.T.S.
SITE
LEGEND
100
PROPOSED CONTOUR
EXISTING CONTOUR
PROPOSED FLOW ARROW
DRAINAGE AREA
BOUNDARY
TIMBERLAKE OFFICE
0.859 acre tract out of the J.T. Bailey Survey, Abstract
No. 97, City of Southlake, Tarrant County, Texas
ENGINEER / APPLICANT
Kirkman Engineering
5200 TX 121
Colleyville, Texas 76034
Telephone (817) 488-4960
TBPE No. 15874
Contact: Jonathan Schindler, P.E.
SURVEYOR
Barton-Chapa Surveying
5200 TX 121
Colleyville, Texas 76034
Telephone (817) 864-1957
Contact: Jack Barton
OWNER
SR3 Properties, LLC
1333 Corporate Dr. Suite 264
Irving, TX 75038
Telephone (469) 436-8881
Contact: Steve Barber
DRAINAGE NOTE:
1.BASED ON THE TxDOT DESIGN PLANS FOR THE EXISTING
DRAINAGE INFRASTRUCTURE WITHIN FM 1709, THE DESIGN
FLOW TO THE EXISTING CURB INLET (S.I. H-1) IS 9.6 CFS FOR THE
5-YEAR STORM EVENT, AND THE DOWN STREAM PIPE CAPACITY
OF THE 24" RCP IS 38.4 CFS.
2.THE TOTAL FLOW DRAINAGE TO THE EXISTING CURB INLET DUE
TO THE DEVELOPMENT OF THIS SITE WILL BE 8.65 CFS FOR THE
100-YEAR STORM EVENT. THE PROPOSED FLOW IS LESS THAN
THE DESIGN FLOW, THEREFORE THERE SHOULD NOT BE ANY
ADVERSE IMPACTS FROM THE DEVELOPMENT OF THIS SITE.
3.REFER TO TxDOT PERMIT PLANS CCSJ-1603-03-018, DATED 1992,
FOR THE DRAINAGE DESIGN OF THE EXISTING STORM DRAIN
INFRASTRUCTURE WITHIN TxDOT RIGHT-OF-WAY.
City Project No. ZA19-0025
S
0
°
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E
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N88°19'00"W 209.00'
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MARCUS D. WAYLAND
INSTRUMENT NO.
D207426882
O.P.R.T.C.T.
(Also known as "W. Southlake Boulevard"; 130' R.O.W.)
LOT 32, BLOCK 2-COMMON AREA;
TIMBER LAKE SECTION 1
CABINET A, PAGE 485; P.R.T.C.T.
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: RPUD
LOT 32, BLOCK 2-COMMON AREA;
TIMBER LAKE SECTION 1
CABINET A, PAGE 485; P.R.T.C.T.
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: RPUD
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: AG
LOT 3, BLOCK 8
STONE LAKES ADDITION
EXISTING USE: MEDIUM DENSITY RESIDENTIAL
S88°13'35"E 209.01'
STATE OF TEXAS
VOL. 9848, PG. 22
D.R.T.C.T.
W W W W W W W W W W W W W W W W W W W W W W
X
X
X
X
X
EX-1
0.34 ac.
EX-2
0.86 ac.
EXISTING 15'X3'
CURB INLET
(S.I. H-1)
(RE: TXDOT PERMIT PLANS,
DATED 1992, CCSJ-1603-03-018)
EXISTING 24" RCP
(RE: TXDOT PERMIT PLANS,
DATED 1992, CCSJ-1603-03-018)
GRAPHIC SCALE
FEET04020
SCALE: 1" = 20'
C
SHEET:
Copyright 2020, Kirkman Engineering
DEVELOPER/OWNER
DRAWN BY:
JOB NUMBER:
CHECKED BY:
DESIGNED BY:
ISSUE DATE:
REV:
Texas Firm No: 15874
Kirkman Engineering, LLC
TIMBERLAKE
OFFICE
SR319001
1/31/20
SOUTHLAKE,
TEXAS
5200 State Highway 121
Colleyville, Texas 76034
Phone: 817-488-4960
CITY CASE No. ZA19-0025
PRE-DEVELOPMENT
DRAINAGE PLAN
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SITE
FM 1709SO
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LEGEND
ACRES
BASIN
NAME
DRAINAGE BASIN
DRAINAGE AREA
EXISTING FLOW
DESIGN POINT
A1
1.00 ac.
1
City Project No. ZA19-0025
TIMBERLAKE OFFICE
0.859 acre tract out of the J.T. Bailey Survey, Abstract
No. 97, City of Southlake, Tarrant County, Texas
ENGINEER / APPLICANT
Kirkman Engineering
5200 TX 121
Colleyville, Texas 76034
Telephone (817) 488-4960
TBPE No. 15874
Contact: Jonathan Schindler, P.E.
SURVEYOR
Barton-Chapa Surveying
5200 TX 121
Colleyville, Texas 76034
Telephone (817) 864-1957
Contact: Jack Barton
OWNER
SR3 Properties, LLC
1333 Corporate Dr. Suite 264
Irving, TX 75038
Telephone (469) 436-8881
Contact: Steve Barber
MARCUS D. WAYLAND
INSTRUMENT NO.
D207426882
O.P.R.T.C.T.
(Also known as "W. Southlake Boulevard"; 130' R.O.W.)
5' EXISTING UTILITY EASEMENT
10' EXISTING UTILITY EASEMENT
15' EXISTING UTILITY EASEMENT
LOT 32, BLOCK 2-COMMON AREA;
TIMBER LAKE SECTION 1
CABINET A, PAGE 485; P.R.T.C.T.
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: RPUD
LOT 32, BLOCK 2-COMMON AREA;
TIMBER LAKE SECTION 1
CABINET A, PAGE 485; P.R.T.C.T.
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: RPUD
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: AG
VARIABLE WIDTH EXISTING UTILITY
& SLOPE EASEMENT
Volume 15845, Page 244
BUILDING 1
General Office
28' - 1 story
9,913 SF
0.859 AC
X
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W W W W W W W W W W W W W W W W W W W W W W W W W
64
5
645
6
4
5
FFE = 646.15
GT 645.56
TC 646.06
GT 645.65
TC 646.15
GT 644.87
TC 645.37
GT 644.47
TC 644.97
GT 643.78
TC 644.28
GT 645.02
TC 645.52
GT 645.07
TC 645.57
GT 645.00
TC 645.50
GT 644.96
TC 645.46
644.69
645.47
647.05
644.61
644.14 644.47
645.03
GT 644.61
TC 645.11
3:1 MAX
3
:
1
M
A
X
TW 646.00
BW 643.36 TW 646.00
BW 644.90
GRAPHIC SCALE
FEET04020
SCALE: 1" = 20'
C
SHEET:
Copyright 2020, Kirkman Engineering
DEVELOPER/OWNER
DRAWN BY:
JOB NUMBER:
CHECKED BY:
DESIGNED BY:
ISSUE DATE:
REV:
Texas Firm No: 15874
Kirkman Engineering, LLC
TIMBERLAKE
OFFICE
SR319001
1/31/20
SOUTHLAKE,
TEXAS
5200 State Highway 121
Colleyville, Texas 76034
Phone: 817-488-4960
CITY CASE No. ZA19-0025
PRELIMINARY
GRADING PLAN
FI
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LEGEND
100
PROPOSED CONTOUR
EXISTING CONTOUR
FLOWLINE
GRADE BREAK
ACCESSIBLE ROUTE
SPOT GRADE
EXISTING FLOW ARROW
PROPOSED FLOW ARROW
FG=100.50
SITE MAP
N.T.S.
SITE
FM 1709SO
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GRADING PLAN
TIMBERLAKE OFFICE
0.859 acre tract out of the J.T. Bailey Survey, Abstract
No. 97, City of Southlake, Tarrant County, Texas
Preparation Date: 01/31/2020
ENGINEER / APPLICANT
Kirkman Engineering
5200 TX 121
Colleyville, Texas 76034
Telephone (817) 488-4960
TBPE No. 15874
Contact: Jonathan Schindler, P.E.
SURVEYOR
Barton-Chapa Surveying
5200 TX 121
Colleyville, Texas 76034
Telephone (817) 864-1957
Contact: Jack Barton
OWNER
SR3 Properties, LLC
1333 Corporate Dr. Suite 264
Irving, TX 75038
Telephone (469) 436-8881
Contact: Steve Barber
City Project No. ZA19-0025
BUILDING 1
General Office
28' - 1 story
9,913 SF
0.859 AC
X
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N88°19'00"W 209.00'
N
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"
W
1
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9
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2
4
'
(Also known as "W. Southlake Boulevard"; 130' R.O.W.)
S88°13'35"E 209.01'
STATE OF TEXAS
VOL. 9848, PG. 22
D.R.T.C.T.
CONNECT TO EXISTING
12" WATER LINE
PROP. IRR.
WATER METER
PROP. FIRE HYDRANT
PROP. SSWR MANHOLE
AND SERVICE
PROP. SSWR MANHOLE
PROP. SSWR MANHOLE
CONNECT INTO EXISTING
6" SANITARY SEWER STUB OUT
PROP.15'
UTILITY EASEMENT
PROP. DOM. WATER METERS
PROP. FIRE LINE
PROP. PUBLIC 6" SSWR LINE
PR
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PROP. PRIVATE 6"
SSWR SERVICEINSTRUMENT NO.
MARCUS D. WAYLAND
D207426882
O.P.R.T.C.T.
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: AG
LOT 32, BLOCK 2-COMMON AREA;
TIMBER LAKE SECTION 1
CABINET A, PAGE 485; P.R.T.C.T.
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: RPUD
LOT 32, BLOCK 2-COMMON AREA;
TIMBER LAKE SECTION 1
CABINET A, PAGE 485; P.R.T.C.T.
LUD=MEDIUM DENSITY RESIDENTIAL
ZONING: RPUD
EXISTING
12" WATER LINE EXISTING
36" RCP
PROP. DOMESTIC
WATER METER
WATER
EASEMENT
16'5.4'
7.5'
7.5'
EXISTING
6" SANITARY SEWER
STUB OUT
PROP. 6" GATE VALVE &
DOUBLE CHECK VALVE
PROP. FDC
GRAPHIC SCALE
FEET04020
SCALE: 1" = 20'
C
SHEET:
Copyright 2020, Kirkman Engineering
DEVELOPER/OWNER
DRAWN BY:
JOB NUMBER:
CHECKED BY:
DESIGNED BY:
ISSUE DATE:
REV:
Texas Firm No: 15874
Kirkman Engineering, LLC
TIMBERLAKE
OFFICE
SR319001
1/31/20
SOUTHLAKE,
TEXAS
5200 State Highway 121
Colleyville, Texas 76034
Phone: 817-488-4960
CITY CASE No. ZA19-0025
PRELIMINARY
UTILITY PLAN
FI
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A
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PR
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LEGEND
EXISTING ELECTRIC
PROPOSED SEWER
PROPOSED WATER
EXISTING SEWER
EXISTING WATER
PROPOSED FIRE
HYDRANT
PROPOSED MAN HOLE
OHE
SS
W
Ex SS
Ex W
FH
MH
SITE MAP
N.T.S.
SITE
FM 1709SO
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UTILITY PLAN
City Project No. ZA19-0025
TIMBERLAKE OFFICE
0.859 acre tract out of the J.T. Bailey Survey, Abstract
No. 97, City of Southlake, Tarrant County, Texas
Preparation Date: 01/31/2020
ENGINEER / APPLICANT
Kirkman Engineering
5200 TX 121
Colleyville, Texas 76034
Telephone (817) 488-4960
TBPE No. 15874
Contact: Jonathan Schindler, P.E.
SURVEYOR
Barton-Chapa Surveying
5200 TX 121
Colleyville, Texas 76034
Telephone (817) 864-1957
Contact: Jack Barton
OWNER
SR3 Properties, LLC
1333 Corporate Dr. Suite 264
Irving, TX 75038
Telephone (469) 436-8881
Contact: Steve Barber
NOTE:
PRIVATE SANITARY SEWER SERVICES NEED A
PLUMBING PERMIT AND MUST BE INSPECTED BY
BUILDING INSPECTIONS PRIOR TO BURIAL.
KIRKMAN ENGINEERING :: 5200 State Highway 121, Colleyville, TX 76034 Ph: 817-488-4960 :: TBPE Firm #15874
Page 1 of 4
Timberlake Office – Preliminary Drainage Study
City of Southlake, Tarrant County, Texas
January 31, 2020
Prepared for:
Department of Planning & Development Services
City of Southlake
1400 Main Street, Suite 310
Southlake, Texas 76092
Prepared by:
Kirkman Engineering
5200 State Highway 121
Colleyville, TX 76034
817.488.4960
KIRKMAN ENGINEERING :: 4821 Merlot Avenue, Suite 210, Grapevine, TX 76051 Ph: 817-488-4960 :: TBPE Firm #15874
Page 2 of 4
1.0 INTRODUCTION
The Timberlake Office is a proposed office building located along Southlake Blvd, approximately
0.25 miles east of Shady Oaks Dr. The office is proposed on a 0.859-acre site, which was
recently cleared of the residential structures.
The current effective FEMA Flood Insurance Rate Map (FIRM) for this area of Tarrant County,
panel 85, dated September 25, 2009, shows that the full extents of the property is located
within Zone X, which is an area determined to be outside the 0.2% annual chance floodplain.
The owner of this site is proposing to rezone the property for office use. The purpose of this
report is to analyze any drainage impacts that changing the use for this property would have
on-site or on adjacent properties.
Existing Residence
Zoned “AG”
KIRKMAN ENGINEERING :: 4821 Merlot Avenue, Suite 210, Grapevine, TX 76051 Ph: 817-488-4960 :: TBPE Firm #15874
Page 3 of 4
2.0 HYDRAULICS
Kirkman Engineering has completed a drainage analysis for the existing site to determine the total runoff
currently being discharged to adjacent properties along with a post-developed drainage analysis to
determine the storm water effects of the site development. The rational method was used to compute
the total runoff values. The runoff coefficients are based on the City of Southlake drainage criteria, and
the time of concentration calculations are based on the iSWM Technical Manual: Hydrology.
2.1 EXISTING CONDITIONS HYDRAULICS
The site has been cleared of the existing improvements within the property boundary. There are
currently no drainage structures on-site and the existing topography directs flows universally away from
the original residence on the property. The land is currently zoned AG. The existing use of the property
was single family residential, therefore a runoff coefficient of 0.51 was used per the City of Southlake’s
drainage criteria. Using the rational method, this results in a total runoff value of 4.05 cfs. The runoff
discharges directly to adjacent properties to the south and east.
2.2 PROPOSED CONDITIONS HYDRAULICS
The purpose of this rezoning is to allow for office us. Per the proposed improvements associated with
this development, the total runoff from the overall site will increase to 6.99 cfs.
However, the proposed flow draining to the adjacent properties will decrease from existing conditions
due to the site is being designed to allow for most of the discharge to flow north to FM 1709. Once
developed, the amount of flow from this site to the residential property to the south and east will be
reduced to 0.45 cfs.
The remainder of the on-site flow will drain to the north and onto FM 1709, and ultimately to an existing
curb inlet to the west. This inlet and associated storm pipe were designed to accept our on-site
developed flow. Per the TxDOT drainage infrastructure plans, the design flow for this existing inlet is 9.6
cfs and the pipe capacity is 38.4 cfs. After development of our site, the total flow draining to the existing
inlet will be 8.65 cfs, which is less than the design flow.
Existing Residence 0.86 0.51 0.44 10.0 6.01 2.63 9.24 4.05 Drains to Adjacent Properties
Q5
(c.f.s.)
I100
(in./hr.)
Q100
(c.f.s.)Acres CA Drainage Area Runoff
Coeff.
Tc
(min.)
DRAINAGE AREA CALCULATIONS (EXISTING)
CommentsI5
(in./hr.)
Proposed Office 0.86 0.88 0.76 10.0 6.01 4.54 9.24 6.99 Total Developed Flow
Q100
(c.f.s.)Comments
DRAINAGE AREA CALCULATIONS (PROPOSED)
Drainage Area Acres Runoff
Coeff.CA Tc
(min.)
I5
(in./hr.)
Q5
(c.f.s.)
I100
(in./hr.)
KIRKMAN ENGINEERING :: 4821 Merlot Avenue, Suite 210, Grapevine, TX 76051 Ph: 817-488-4960 :: TBPE Firm #15874
Page 4 of 4
3.0 CONCLUSION
This report includes preliminary drainage computations pertaining to the existing conditions and
proposed conditions for the Timberlake Office Zoning case. The post-development flow will see an
increase in runoff, but this increase flow will be redirected to the north and into the existing TxDOT
drainage system. Once developed, the flow to the adjacent properties will be reduced from existing
conditions.
A more detailed study of the site, along with the downstream components of the existing drainage
infrastructure will be completed during the full civil design phase of the project.