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INDEX OF DRAWINGS
CODE SHT #
COVER SHEET AND INDEX
C-0
1
SITE DIMENSION PLAN
C-1 a
2
SITE LANDSCAPING PLAN
C-lb
3
SITE DRAINAGE PLAN
C-2a
4
DRAINAGE AREA MAP
C-2b
5
SITE UTILITY PLAN
C-3.0
6
SW POLLUTION PREVENTION PLAN
C-4a
7
SW POLLUTION PREVENTION DETAILS
C-4b
8
SITE PAVING PLAN
C-5.0
9
SITE FIRE LANE LAYOUT PLAN
CF-1
10
EXPRESS REVIEW SHEET
E-1
11
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VATANI CONSULTING ENGINEERS, PLLC
DESIGN CONSULTANTS
TBPE FIRM # 4266
5200 Mitchelldale Phone:(713) 400-0005
Suite F-27 Fox:(713) 956-2555
Houston, TX. 77092 E—mail : eshra@vatoni.com
www.votani.com
SEPTEMBER 2009
0q-- DC2
CONSULTING ENGINEERS, PLC
EXISTING HLSIP OVERHEAD EXISTING 4" GAS LINE
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
— r SPENCER HIGHWAY
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CONC PAVING - (100' R.ON/)
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PROPOSED 35 LF
— _ _ — - - — _ _ — _ _ _ _ — PROPOSED 4' SIDEWALK _ — CONCRETE DRIVEWAY - PROPOSED 4' SIDEV
- — - - — EAST - 200.00'
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NOTE: PRIOR TO CONSTRUCTION EXISTING 8" PUBLIC LO Uj � w
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SANITARY SEWER Q o
ALL DIMENSIONS MUST BE CHECKED AND VERIFIED BEFORE o
CONSTRUCTION MAY BEGIN. IN CASE OF A DISCREPANCY
/ERROR CONTACT GENERAL CONTRACTOR IMMEDIATELY.
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ZONING: GENERAL COMMERCIAL
DEVELOPMENT: MEDICAL OFFICES
_EXISTING 16" WATERLINE _ _ — _it EXISTING
—F1ftE-HYDRAN F - — - - —
2' GASLINE ESMT.(ENTEX- HCCF#N313945) —
RESERVE 5 & 6
SPENCER HIGHWAY, SECTION 2
11032 SPENCER HIGHWAY
LA PORTE, TEXAS
/ STRIPING
PROPOSED DUMPSTER
WITH ENCLOSURE.
REFER ARCH DRAWINGS
FOR DETAILS
5'x20' A.E.
13' PRIVATE U.E.
5'x20' A.E.
—8' U.E.
EXIST SWB
PEDESTAL
TOP=23.01
EXIST COMCAST
PEDESTAL
TOP=22.84
EXIST SANITARY
SEWER MANHOLE
RIM=23.21
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LA PORTE
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LOCATION
VICINITY MAP
NOT TO SCALE
LEGAL DESCRIPTION
BEING ALL OF RESERVE "5', OF SPENCER HIGHWAY SUBDIVISION, ADDITION NO. 2,
RESERVES 5 AND 6, A SUBDIVISION IN HARRIS COUNTY, TEXAS, ACCORDING TO THE
MAP OR PLAT THEREOF, RECORDED AT FILM CODE NO. 564041 OF THE MAP RECORDS
OF HARRIS COUNTY, TEXAS.
ADDRESS: 11006 SPENCER HIGHWAY, LA PORTE, TEXAS
FLOOD STATEMENT
This tract is in Zone 'X' and not within the 100 year Flood Plain
according to the FEMA Map #48201 CO-945L, Dated June 18, 2007.
CITY APPROVING AUTHORITY CERTIFICATE
This is to certify that the City of La Porte, Texas has approved this site plan and
development of JACINTO MEDICAL OFFICES in conformance wit the Ordinances of the
City of La Porte.
BY:
Director, Planning Department -,
SITE PLAN ACCURACY CERTIFICATE
I, (Eshraghollah Vatani, P.E (#69194) , am registered under the laws of the State of Texas
to practice the profession of engineering (or surveying) and hereby certify that above
plat or site plan is true and correct; and that all bearings, distances, angles, curve
radiuses, and central angles are accurately shown on the plat.
Eshva�hollah VoLtanl
(Print Name)
Texas Registration No. �g194
N-AGSRF
FLARED SIDE PLANTING
WLKIINUACEN-
X
IF X IS LESS THAN 4' �1 0
THEN THE SLOPE OF THE
FLARED SIDE SHALL NOT
EXCEED 1:12 .4N'
FLAREDSIDESRETURP))D CURB ��
BUILT-UP CURB RAMP
n SIDE OF CURB RAMPS
N.T.S.
LANDSCAPING CALCULATIONS
PARKING CALCULATIONS
Total area of the building
8,000 Sq-Ft
TOTAL LANDSCAPING AREA
Minimum parking space =
4 + 3 per 1,000 Sq-Ft
(Excluding rear planting strip) =
11,310.49 Sq-Ft
_
Total parking spaces
(8 4
TOTAL ACREAGE OF THE PROPERTY =
50,738.69 Sq-Ft
=
28 S Spaces
TOTAL ROOFED AREA =
8,000.00 Sq-Ft
PERCENTAGE OF LANDSCAPING =
26.46%
Total Handicap Required
= 1
Total Handicap Spaces Provided
= 5
REFER SHEET C-1 b LANDSCAPING PLAN FOR MORE DETAILS
"Exterior Building Standards"
The Building is 100% masonry and glass product/design. The South (Rear) and East
sides along the frontage shall be made of masonry (Stucco) and the West and North
face of the building shall be a combination of Stucco and Glass onl Refer
Architectural Drawings for detailed elevations and building specifications.
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CONSULTING ENGINEERS, PU.0
_ EXISTING HUP OVERHEAD EXISTING 4" GAS LINE
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —— — — — — — — — — — — — — — — — — — — — — — —
LANDSCAPING CALCULATIONS
TOTAL LANDSCAPING AREA
(Excluding rear planting strip) = 11,310.49 Sq-Ft
TOTAL ACREAGE OF THE PROPERTY = 50,738.69 Sq-Ft
TOTAL ROOFED AREA = 8,000.00 Sq-Ft
PERCENTAGE OF LANDSCAPING = 26.46%
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GENERAL PLANT NOTES
1. ALL PLANTS SHALL BE FURL POT AND WAD, SYMMETRICAL FOLIAGE
5. ALLOW FOR FINISHED GRADE AT EDGE OF WALKS AM CURBS
TO BE A MINIMUM OF 1' TO 1 1/2' BELOW TOP OF SIDEWALK
2. CONTRACTOR SHALL LOCATE ALL UND6KROLRJD UTILITIES PRIOR
AND CURBS AREAS 50 GRASS WILL NOT HOLD WATER ON
TO EXCAVATION OR TRENCHING. CONTRACTOR SHALL BE RESFONISIBI.E
WALK AND SHALL BE CONSISTENTALON6 EDGE.
FOR REPAIRING OR REPLACING ANY DAMAGE TO UTILITIES OR OTHER
6. LANDSCAPE CONTRACTOR TO COORDINATE AND SCHEDULE HIS
WORK WITH OTHER CONTRACTORS WORKING ON THE PROJECT SITE.
3. GRADE SURFACE TO ENSURE AREAS ORAIN AWAY FROM STRUCTURES
7. ALL LANDSCAPE AREAS W➢I. BEIRRI6ATED.
AND TO PREVENT PONOIN6 AND POCKETS OF SURFACE DRAINAGE
SPREAD AND AVERAGE OF P SHARP SAND OVER ENTIRE AREA TO BE
SOLID SODDED. HAND RAKE ENTIRE AREA PRIOR TO SODDING,, OBTAIN
OWNER'S REPRESENTATIVE-5 APPROVAL OF GRADE PRIOR TO SODDING.
M
ZONING: GENERAL COMMERCIAL
DEVELOPMENT: OFFICE/ RETAIL
SPENCER HIGHWNY
CONC PAVING - (I00' R.O,W)
1�
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_20' BUILDING LINE
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FIRE HYDRANT —
T GASLINE ESMT.(ENTEX- HCCF#N313945)
RESERVE 5 & 6
SPENCER HIGHWAY, SECTION 2
11032 SPENCER HIGHWAY
LA PORTE, TEXAS
PROPOSED DUMPSTER
—WITH ENCLOSURE.
REFER ARCH DRAWINGS
FOR DETAILS
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LA PORTE
Pap Waco
PROJECT
LOCATION
VICINITY MAP
NOT TO SCALE
LEGAL DESCRIPTION
BEING ALL OF RESERVE "5", OF SPENCER HIGHWAY SUBDIVISION, ADDITION NO. 2,
RESERVES 5 AND 6, A SUBDIVISION IN HARRIS COUNTY, TEXAS, ACCORDING TO THE
MAP OR PLAT THEREOF, RECORDED AT FILM CODE NO. 564041 OF THE MAP RECORDS
OF HARRIS COUNTY, TEXAS.
ADDRESS: 11006 SPENCER HIGHWAY, LA PORTE, TEXAS
FLOOD STATEMENT
This tract is in Zone 'X' and not within the 100 year Flood Plain
according to the FEMA Map #48201 CO-945L, Dated June 18, 2007.
°- AIRCRAFT CORD, GUY WIRES
1/e7X7 STRAND w7
HOSEE (BLACK)
ACK) i 7/2' DIA
FIN. GRADE 3" MULCH
6' SOIL SAUCE
BACKFILL
Z —t (2) 2X2X8' LG. WOLMANIZED PINE
STAKES, DRIVE STAKES MIN. 3'
INTO GROUND.
78" STAKES SHALL BE PARALLEL AND
MIN. VERTICAL, TOP OF STAKES SHALL
BE EVEN.
(DTREE PLANTING
N.T.S.
PLANT SCHEDULE
KEY
CITY.
SCIENTIFIC NAME
COMMON NAME
SIZE
REMARKS
QV
15
QUERCUS VIRSINLANA
LIVE OAK
4' CALIP
STRAIGHT SINGLE TRANK
100 GAL
FULL SYMMETRICAL HEAD
12'-14' HT. X 7'-8' SPREAD
LT
15
LA6ERSTROEMIA INDICA
CRAPE MYRTLE
A
STRA16HT SINGLE TRUNK
FULL SYMMETRICAL HEAD
6'-10' HT.
QS
150
LIGUSTRUM
WAXLEAF
37A=
10- HT. X 15- MIN SPREAD
FULL POT, 2 YEAR PLANT
2'-0' os
NO
55
NERIUM OLEANDER
OLEANDER
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10' HT. X 15' MIN SPREAD
FULL POT, TRIMMED TO 7'
2'-0' a.c.
55
FULL
SAINT AUGUSTINE
SOLID SOD GRASS
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SAUCER
n SHRUB PLANTING
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N.T.S.
Al. PROPOSED OFFICE BUILDING
SQUARE FEET= 8,000 SQFT.
B. NUMBER OF PARKING SPACES REQUIRED: ((8000/LGOO. 3)+4]=28 SPACES
((SQUARE FOOTA6E/ONE THOUSAND)' THREE) r 4)=SPACES REQUIRED.
TOTAL NUMBER OF PARKING SPACES REQUIRED : 28
NUMBER OF PARKING SPACES PROPOSED: 38
LANDSCAPE ANALYSIS FORM
A. STREET TREES:
Length of property line in lineal feet 31 measured along all.,Ides of the property
fronting on a public street(s).=452.00 Lineor feet/30 = 15 STREET TREES REQLRRED
(Staff may create an artificial lot)
B. PARKINS LOT TREES:
Number of new parking stalls to be constructed MAD= 32 Parking lot trees
required.
C. TOTAL TREE REQUIREMENT:
A . B = 19 total number of street and parking lot trees required.
D. SHRUBS: (Are required far new or the expanded portion of Forking lots)
Total number of street trees required, from A above X 10 = Mhrubs.
Contractor to retain 5 of the Existing 6 trees along
Driftwood dr, within the building lines.
SITE LANDSCAPING PLAN
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COfWLTING ENGINEERS, PLLC - -- -
PROPOSED 6"
CONCRETE PAVING
COMPACTED
SELECT FILL
36" HDPE PIPE
@ 0.06% SLOPE
PROPOSED STORM
SEWER INLET
RIM=2225
F.L= 17.88
PROPOSED STORM
SEWER INLET
RIM=22.25
F.L=18.13
All proposed elevations shown on plan are Top of pavement
Elevations, unless otherwise noted.
EXIST STORM INLE yo
RIM=21.9 a
F.L w
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INLET
RIM ELEV. = 21.12'
FLOW LINE ELEV. = 1
PIPE STORAGE CROSS SECTION
NOT TO SCALE
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PROPOSED STORM
SEWER INLET
RI20.50 U)
FM=.L= 15.47
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SPENCER HIGHWAY � EXISTING STORM
PROPOSED STORM
M SEWER INLET
SEWER INLET i- RIM=19.60
RIM=22.25 CONC PAVING (100 ROM) PROPOSED 30 LF 24" HDPE F.L= 15.00 (F.T.V)
F.L= 17.73 PROPOSED ADA COMPLIANT 4' STORM SEWER INLET @ 0.25% W
PUBLIC SIDEWALK. CROSS SLOPE W/ 4LF 6" RESTRICTOR IN PLACE
�21.62 SHALL NOT EXCEED 2% PROPOSED 87 LF 24" H.D.P.E
2 Q.70 1a ♦♦ $o o a0 A 3` e STORM SEWER @ 0.25%
PROPOSED STORM
SEWER INLET
RIM=23.00
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PROPOSED STORM
SEWER INLEJ
PROPOSED STORM
RIM--22.25 �.0
SEWER INLET
FL (N)=15:55
RIM=20.25
FL (S&W))=17.50
F.L= 15.25
PROPOSED 24" MANIFOLD WITH CMU
BOTTOM SLOPE=0.25%
PROPOSED STORM
SEWER INLET
RIM=22.25
F.L= 17.64
RESERVE 5 & 6
+titi°o �3 FENCER HIGHWAY, SECTION 2
+ 11032 SPENCER HIGHWAY
LA PORTE, TEXAS
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PROPOSED STORM
SEWER INLET
RIM=22.25
F.L= 17.96
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EXIST STORM INLET
RIM=22.67
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_ 5'x20' A.E.
8' U.E.
+
EXIST SWB
PEDESTAL
TOP=23.01
EXIST COMCAST
PEDESTAL
TOP=22.84
AREA CALCULATIONS
TOTAL AREA OF THE PROPERTY = 50, 886.00 Sq-Ft
1.1682 Acres
TOTAL PAVING AREA = 44,557.20 Sq-Ft
AREA OF THE BLDG (W/ SIDEWALK) = 12,230.39 Sq-Ft
AREA OF PLANTING INSLANDS = 1,794.15 Sq-Ft
TOTAL INLET AREA = 30,532.60 Sq-Ft
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LOCATION I
VICINITY MAP
NOT TO SCALE
DETENTION CALCULATIONS
TOTAL AREA OF THE PROPERTY =
50, 886.00
Sq-Ft
=
1.1682 Acres
TOTAL PARKING AREA =
30,532..60
Sq-Ft
DEPTH OF DETENTION =
0.75
Ft
VOLUME IN PARKING LOT =
7,633.15
Cu-Ft
DIAMETER OF PIPES =
24
Inches
TOTAL LENGTH OF PIPE =
506
Feet
TOTAL VOLUME STORED IN PIPES =
1,588.84
Cu-Ft
DIAMETER OF PIPES =
36
Inches
TOTAL LENGTH OF PIPE =
525 Feet
TOTAL VOLUME STORED IN PIPES =
3,709.12
Cu-Ft
TOTAL VOLUME STORED ON -SITE =
3,709.12+1,588.84+7,633.1 5
=
12,931.12
Cu-Ft
=
0.2969
Ac-Ft
DETENTION PROVIDED =
0.25 Ac-Ft/Ac
B STORM SEWER
�- PIPE REF: PLAN
CONC. FILLED-
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4.0 LF. 6" RESTRICTOR
PIPE REF: PLAN
RESTRICTOR PIPE DETAIL
NOT TO SCALE
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*MAXIMUM PONDING DEPTHWITHIN THE PROPERTY IS 9 INCHES
- DIRECTLY ON TOP OF THE GRATE INLET
CONCRETE PARKING SECTION
NOT TO SCALE
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CONSULTING ENGINEERS, PLLC
LEGAL DESCRIPTION
BEING ALL OF RESERVE "5', OF SPENCER HIGHWAY SUBDIVISION, ADDITION NO. 2,
RESERVES 5 AND 6, A SUBDIVISION IN HARRIS COUNTY, TEXAS, ACCORDING TO THE
MAP OR PLAT THEREOF, RECORDED AT FILM CODE NO. 564041 OF THE MAP RECORDS
OF HARRIS COUNTY, TEXAS.
ADDRESS: 11006 SPENCER HIGHWAY, LA PORTE, TEXAS
FLOOD PLAIN DATA
Irks HHUPERTY PARTIALLY LIES WITHIN THE 100 YEAR FLOOD PLAIN AS PER
THE FLOOD INSURANCE RATE MAP: 48201 CO-945L
DATE :JUNE 18, 2007 ZONE: X (UNSHADED)
NOTE: PRIOR TO CONSTRUCTION
ALL DIMENSIONS MUST BE CHECKED AND VERIFIED BEFORE CONSTRUCTION MAY BEGIN
IN CASE OF A DISCREPANCY/ERROR CONTACT GENERAL CONTRACTOR IMMEDIATELY.
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— — — EXIST. SAN. SWR.
STREET CURB
- - PROPERTY LINE
RESERVE 5 & 6
SPENCER HIGHWAY, SECTIOt
11032 SPENCER HIGHWAY
LA PORTE, TEXAS
PROPOSED SAMPLE WELL
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CONSULTING ENGINEERS, PLLC
INLET A5
0.0949 AC 6.83 CFS
_ - __ _ _ __._ __Y
__ _ - __ _ __ ____
INLET A3
0.0895 AC 1.23 CFS
INLET A2
0.1154 AC 10.90 CFS
INLET Al
0.1171 AC 10.46 CFS
To
INLET A4
0.1280 AC 2.56 CFS
SPENCER HIGHWAY
CONIC PAVING - f I R.O.W)
.�. EAST 200.00r-__-__.-.--
2' GASLINE EESMT.(ENTEX-HDCF#N313945)
0
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D1�
0.0746 AC 1.34 CFS
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INLET
B3
I
SPENCER HIGH SECTION 2 SPEN
11032 SPENCER HIG
LA PORTE, TEXAS
0.0711 AC
4.10 CFS
'
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INLET B2
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UCTURE,
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7-
88--u'L
/ WEST 206.
EXIST SW B
PEDESTAL
TOP-23.01
INLET 131
0.1278 AC 11.09 CFS
STORM SEWER RUNOFF:
2-YEAR FERQUENCY
DATE
7/16/2009
JOB NUMBER
09-077
JACINTO MEDICAL
BUILDING
REV
10/12/2009
INTENSITY (I) = b/ (d+Tc)e
2 YEAR STORM
DRAINAGE
AREA
ACRES
ACRES
Tc
Tc
b
d
e
I
I
C
CA
SUM
CA
Q
Q
(INDIV)
(CUM)
(INLET)
(SYSTEM)
(IN/HR)
(SYSTEM)
(INLET)
(SYSTEM)
Al
0.1171
0.1171
21.85
21.85
75.01
16.2
0.8315
3.64
3.64
0.85
0.10
0.10
0.36
0.36
A2
0.1154
0.2325
21.84
22.73
75.01
16.2
0.8315
3.64
3.57
0.85
0.10
0.20
0.36
0.71
A3
0.0895
0.3220
21.54
23.19
75.01
16.2
0.8315
3.66
3.54
0.85
0.08
0.27
0.28
0.97
C1
0.2336
0.2336
22.74
22.74
75.01
16.2
0.8315
3.57
3.57
0.85
0.20
0.20
0.71
0.71
A4
0.1280
0.6836
21.96
24.35
75.01
16.2
0.8315
3.63
3.45
0.85
0.11
0.58
0.40
2.01
131
0.1278
0.1278
21.96
21.96
75.01
16.2
0.8315
3.63
3.63
1.85
0.24
0.24
0.86
0.86
B2
0.1157
0.2435
21.84
22.80
75.01
16.2
0.8315
3.64
3.57
2.85
0.33
0.57
1.20
2.02
D1
0.0746
0.0746
21.33
21.33
75.01
16.2
0.8315
3.68
3.68
3.85
0.29
0.29
1.06
1.06
B3
0.0711
0.3892
21.28
23.47
75.01
16.2
0.8315
3.69
3.52
0.85
0.06
0.91
0.22
3.21
A5
0.0949
1.1677
21.61
25.28
75.01
16.2
0.8315
3.66
3.39
0.85
0.08
1.58
0.30
5.34
INLET C1
0.2336 AC 0.90 CFS
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4
VICINITY MAP
NOT TO SCALE
STORM SEWER RUNOFF:
2-YEARFERQUENCY
DATE
7/16/2009
JOB NUMBER
09-077
JACINTO MEDICAL
BUILDING
REV
10/12/2009
INTENSITY (I) = b/ (d+Tc)e
5 YEAR STORM
DRAINAGE
AREA
ACRES
ACRES
Tc
Tc
b
d
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I
C
CA
Sum
CA
Q
Q
(INDIV)
(CUM)
(INLET)
(SYSTEM)
(IN/HR)
(SYSTEM)
(INLET)
(SYSTEM)
Al
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0.1171
21.85
21.85
84.14
17.8
0.7881
4.63
4.63
0.85
0.10
0.10
0.46
0.46
A2
0.1154
0.2325
21.84
22.73
84.14
17.8
0.7881
4.63
4.55
0.85
1 0.10
0.20
0.45
0.90
A3
0.0895
0.3220
21.54
23.19
84.14
17.8
0.7881
4.66
4.51
0.85
0.08
0.27
0.35
1.23
C1
0.2336
0.2336
22.74
22.74
84.14
17.8
0.7881
4.55
4.55
0.85
0.20
0.20
0.90
0.90
A4
0.1280
0.6836
21.96
24.35
84.14
17.8
0.7881
4.62
4.41
0.85
0.11
0.58
0.50
2.56
B1
0.1278
0.1278
21.96
21.96
84.14
17.8
0.7881
4.62
4.62
1.85
0.24
0.24
1.09
1.09
B2
0.1157
0.2435
21.84
22.80
84.14
17.8
0.7881
4.63
4.54
2.85
0.33
0.57
1.53
2.57
D1
0.0746
0.0746
21.33
21.33
84.14
17.8
0.7881
4.68
4.68
3.85
0.29
0.29
1.34
1.34
B3
0.0711
0.3892
21.28
23.47
84.14
17.8
0.7881
4.68
4.48
0.85
0.06
0.91
0.28
4.10
A5
0.0949
1.1677
21.61
25.28
84.14
17.8
0.7881
4.65
4.34
0.85
0.08
1.58
1 0.38
6.83
TOTAL
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ENGINEERS, PLLC
LEGAL DESCRIPTION
BEING ALL OF RESERVE "5", OF SPENCER HIGHWAY SUBDIVISION, ADDITION NO. 2,
RESERVES SAND 6, A SUBDIVISION IN HARRIS COUNTY, TEXAS, ACCORDING TO THE
MAP OR PLAT THEREOF, RECORDED AT FILM CODE NO. 564041 OF THE MAP RECORDS
OF HARRIS COUNTY, TEXAS.
ADDRESS: 11006 SPENCER HIGHWAY, LA PORTE, TEXAS
FLOOD PLAIN DATA
THIS PROPERTY PARTIALLY LIES WITHIN THE 100 YEAR FLOOD PLAIN AS PER
THE FLOOD INSURANCE RATE MAP: 48201 CO-945L
DATE :JUNE 18, 2007 ZONE: X (UNSHADED)
�NIOTE-i PRIOR TO CONS 'RUCTION
ALL DIMENSIONS MUST BE CHECKED AND VERIFIED BEFORE CONSTRUCTION MAY BEGIN.
IN CASE OF A DISCREPANCY/ERROR CONTACT GENERAL CONTRACTOR IMMEDIATELY.
INLC
RIV EL=V. = 2'.'2'
=LOW LINE ELEV. = 1
FOR
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CONC PAVING - (100- R.O.W)
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U
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SPENCER HIGHWAY, SE
11032 SPENCER HIGI
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OF
1-7 4,7
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1. SET POSTS AT REQUIRED SPACING AND
DEPTH. EXCAVATE A 6' x 6" TRENCH
UPSLOPE ALONG THE LINE OF POSTS.
2" x 2" WOODEN POST
"�_._OR EQUIVALENT.
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ATTACH FILTER FABRIC TO POSTS AND INSTALL
IT INTO THE TRENCH. BACKFILL THE TRENCH AND
COMPACT THE EXCAVATED SOIL.
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EXTENSION OF FABRIC ALTERNATE V-TRENCH
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INTO TRENCH.
FILTER FABRIC FILTER FABRIC
FLOW _ COMPACTED
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COMPACTED SOIL
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GENERAL NOTES:
1. SET POSTS AT 4-FEET MAXIMUM SPACING. IF FACTORY PREASSEMBLED FENCE WITH
SUPPORT NETTING IS USED, SPACING OF POST MAY BE INCREASED TO 8 FEET MAXIMUM.
2. WHEN TWO SECTIONS OF FILTER FABRIC ADJOIN EACH OTHER, OVERLAP 6 INCHES AT
THE POST, FOLD TOGETHER, AND ATTACH TO THE POSTS.
3. REMOVE SEDIMENT DEPOSITS WHEN SILT DEPTH REACHES ONE-THIRD OF THE HEIGHT OF
THE FENCE.
FILTER FABRIC FENCE
X- a-
X
SYMBOL
I. SET POSTS AT REQUIRED SPACING AND 2. SECURE MESH FENCING TO POSTS
DEPTH. EXCAVATE 6" x 6" TRENCH UPSLOPE
ALONG THE LINE OF POSTS.
GALVANIZED WELDED WIRE MESH OR
2"x2" WOODEN EQUIVALENT TO SUPPORT FILTER FABRIC
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1. SECURELY FASTEN MESH FENCING TO POSTS WITH STAPLES OR TIE WIRES.
2. SECURELY FASTEN FILTER FABRIC TO MESH FENCING.
3. WHEN TWO SECTIONS OF FILTER FABRIC ADJOIN EACH OTHER, OVERLAP 6 INCHES AT A
POST, FOLD TOGETHER, AND ATTACH TO A POST.
4. REMOVE SEDIMENT DEPOSITS WHEN SILT REACHES ONE-THIRD OF THE HEIGHT OF THE
FENCE IN DEPTH.
REINFORCED
FILTER FABRIC BARRIER
X® RFB ®X
SYMBOL
NO, REVISIONS DATE
WIRE MESH
STRUCTURE
1... fi
• I61 I *WEIGHTED
TOE -IN �I
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FILTER
FILTER FABRIC
FABRIC SKIRT
SKIRT
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ES OR SHOAT RINGS
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TION
FILTER FABRIC
6" STAPLE OR 3/8"
-REBAR ANCHORS (J HOOKS, T-ENDS)
EVERY 2 FT.
WIRE
MESH STRUCTURE
GENERAL NOTES:
1. PLACE BARRIER IN A ROW WITH ENDS TIGHTLY ABUTTING THE ADJACENT BARRIER.
2. USING ONE CONTINUOUS SECTION OF FILTER FABRIC, WRAP FABRIC AROUND WIRE MESH
AND EXTEND FABRIC TO FORM SKIRT ON THE UPSTREAM SIDE.
3. WEIGHT SKIRT WITH A CONTINUOUS LAYER OF 3-INCH TO 5-INCF OPEN GRADED ROCK,
OR TOE IN SKIRT WITH SIX INCHES WITH MECHANICALLY COMPACTED MATERIAL.
4. SECURELY ANCHOR BARRIER AND SKIRT IN PLACE USING 6-INCH WIRE STAPLES ON
2-FOOT CENTERS ON BOTH EDGES, OR STAKE USING 18-INCH BY 3/8 INCH REBARS
(T-ENDS, J-HOOKS).
5• FILTER FABRIC SHALL BE LAPPED OVER ENDS 6 INCHES TO COVER SEGMENT JOINTS.
FASTEN JOINTS WITH GALVANIZED SHOAT RINGS OR EQUIVALENT.
6• THE BARRIER STRUCTURE SHALL BE WELDED WIRE MESH, 18 INCHES ON EACH SIDE.
TRIANGULAR
FILTER FABRIC FENCE
X® TFF ® X
SYMBOL
WOOD OR METAL POST
EXTENSION OF FILTER FABRIC
INTO TRENCH.
WIRE
FILTER FABRIC
POST
FLOW \_
COMPACTED SOIL
FLOW
INLET �'', / REINFORCED
FILTER FABRIC
BARRIER
A
31
WOOD OR
METAL BEAM
MIN
SECTION A -A PLAN
SEE REINFORCED FILTER FABRIC BARRIER DETAIL
FOR REINFORCED FILTER FABRIC BARRIER REQUIREMENTS
VARIES
t 1/3 L
STAKE WATTLE
OR WEIGH DOWN
WITH SANDBAGS
WOOD OR INLET
METAL POST
A A WOOD OR
METAL BEAM
SECTION A -A
WATTLE STAKED
WITH 2 STAKES PER
BALE OR WEIGHTED
WITH SANDBAGS
PLAN
NOTE:
TYPICALLY STRAW BALES ARE NOT RECOMMENDED FOR INLET PROTECTION BARRIERS.
INLET PROTECTION BARRIERS
FOR STAGE I INLETS
IPB
SYMBOL
ENGINEERING
ANGLE FIRST STAKE WIRE OR NYLON
TOWARD PREVIOUSLY /� BOUND BALES PLACED
LAID BALE -\ // PARALLEL TO GROUND
FILL VOIDS BETWEEN
BALES WITH SURPLUS
STRAWFLOW
k%r
;.
i
FLOW
MAWREBAR STAKES,
STRAW BALE FENCE
EARTH
CE
GENERAL NOTES: SECTION
1. LIMIT USE TO ONSITE SWALES FOR PURPOSES OF LOW FLOW VELOCITY DISSIPATION FOR
EROSION CONTROL. USE STRAW BALE FENCES TO TREAT OVERLAND FLOW ONLY. DO
NOT USE STRAW BALE FENCES TO TREAT FLOW IN CHANNELS.
2. PLACE BALES IN A ROW WITH ENDS TIGHTLY ABUTTING ADJACENT BALES. FILL THE
VOIDS BETWEEN BALES WITH SURPLUS STRAW. PLACE BALES WITH BINDING PARALLEL TO
GROUND SURFACE.
3. IMBED EACH BALE AT LEAST 4 INCHES IN THE SOIL.
4. SECURELY ANCHOR BALES IN PLACE BY REBAR STAKES. DRIVE STAKES THROUGH THE
BALES AND AT LEAST 18 INCHES INTO THE GROUND. ANGLE THE STAKE IN EACH BALE
TOWARD THE PREVIOUS BALE TO FORCE THE BALES TOGETHER.
5. BIND BALES WITH WIRE OR NYLON ROPE TIED ACROSS THE STRAW BALES.
6. REPLACE WITH NEW STRAW BALE FENCE EVERY TWO MONTHS,
7. WATTLES STAKED INTO THE GROUND ARE A PREFERRED SUBSTITUTE FOR STRAW BALE
FENCES.
STRAW BALE FENCE
X-SBF ® X
SYMBOL
EXISTING GROUND I 50'-0" _ I PUBLIC
r MIN. RIGHT-OF-WAY
- L 8" MIN.
PERMEABLE, SEPARATION GEOTEXTILE GRADED TO PREVENT
FABRIC FOR FULL WIDTH AND LENGHT OF EXIT RUN-OFF FROM LEAVING SITE
PROFILE
PROVIDE APPROPRIATE TRANSITION
BETWEEN STABILIZED CONSTRUCTION
ENTRANCE AND PUBLIC RIGHT-OF-WAY
50'-0" _
MIN.
EXISTING
GROUND
PUBLIC
RIGHT-OF-WAY
COARSE AGGREGATE - 3" TO -1
5" GRANULAR FILL (BROKEN PLAN VIEW
CONCRETE IS NOT PERMITTED)
GENERAL NOTES:
1. MINIMUM LENGTH IS AS SHOWN ON CONSTRUCTION DRAWINGS OR 50 FEET, WHICHEVER IS MORE.
2. CONSTRUCT AND MAINTAIN CONSTRUCTION EXIT WITH CONSTANT WIDTH ACROSS ITS LENGTH, INCLUDING
ALL POINTS OF INGRESS OR EGRESS.
3. UNLESS SHOWN ON THE CONSTRUCTION DRAWINGS, STABILIZATION FOR OTHER AREAS WILL HAVE THE
SAME AGGREGATE THICKNESS AND WIDTH REQUIREMENTS AS THE STABILIZED CONSTRUCTION EXIT.
4. WHEN SHOWN ON THE CONSTRUCTION DRAWINGS, WIDEN OR LENGTHEN STABILIZED AREA TO
ACCOMMODATE A TRUCK WASHING AREA. PROVIDE OUTLET SEDIMENT TRAP FOR THE TRUCK WASHING
AREA.
5. PROVIDE PERIODIC TOP DRESSING WITH ADDITIONAL COARSE AGGREGATE TO MAINTAIN THE REQUIRED
DEPTH OR WHEN SURFACE BECOMES PACKED WITH MUD.
6. PERIODICALLY TURN AGGREGATE TO EXPOSE A CLEAN DRIVING SURFACE.
7. ALTERNATIVE METHODS OF CONSTRUCTION INCLUDE
-CEMENT STABILIZED SOIL: COMPACTED CEMENT STABILIZED SOIL, LIMESTONE AGGREGATE, OR OTHER
FILL MATERIAL IN AN APPLICATION OF THICKNESS OF 8 INCHES.
-WOOD MATS: OAK OR OTHER HARDWOOD TIMBERS PLACED EDGE TO EDGE AND ACROSS SUPPORT
WOODEN BEAMS WHICH ARE PLACED ON TOP OF EXISTING SOIL IN AN APPLICATION THICKNESS OF 6
INCHES.
-STEEL MATS: PERFORATED MATS PLACED ACROSS PERPENDICULAR SUPPORT MEMBERS.
STABILIZED CONSTRUCTION ACCESS
e-,
SYMBOL
COUNTY
DEPARTMENT
;ii•PI:T_.
ONE LAYER OF FILTER FABjtIC
SECURED AND TRENCHED WHEN
REQUIRED ON CONSTRUCTI N
DRAWINGS.) -
FLOW
1 �' n" 1 ru rrn reon,n
OR NYLON ROPE
- STAKES
GENERAL NOTES:
1. LIMIT USE TO ONSITE SWALES FOR PURPOSES OF LOW FLOW VELOCITY DISSIPATION FOR
EROSION CONTROL. USE BRUSH BERMS TO TREAT OVERLAND FLOW ONLY, DO NOT USE
BRUSH BERMS TO TREAT FLOW IN CHANNELS.
2. PLACE WOODY BRUSH AND BRANCHES HAVING A DIAMETER OF LESS THAN 2 INCHES
WITH A 6-INCH OVERLAP. AVOID INCORPORATION OF ANNUAL WEEDS AND SOIL INTO
BRUSH BERM.
3. MINIMUM HEIGHT OF THE BRUSH BERM IS 18 INCHES, MEASURED FROM THE TOP OF
THE EXISTING GROUND AT THE UPSLOPE TOE TO THE TOP OF THE BERM.
4. HAND PLACE BRUSH BERMS ALONG CONTOUR LINES. MACHINE PLACEMENT OF BRUSH
BERMS IS NOT PERMITTED.
5. IMBED BRUSH BERM AT LEAST 4 INCHES INTO THE SOIL.
ANCHOR BRUSH BERMS USING WIRE OR NYLON ROPE ACROSS THE BERM WITH A
6. MINIMUM TENSION OF 50 POUNDS.
7. SECURELY TIE ROPE TO 18-INCH REBAR STAKES DRIVEN INTO THE GROUND ON 4-FOOT
CENTERS ON BOTH SIDES OF THE BERM.
8. PERFORM MAINTENANCE AS NEEDED.
BRUSH BERM
x- BB _ X
SYMBOL
PLACE BAGS SNUG y�
AGAINST CURB \ Fv0
SANDBAGS PLACED SNUGLY
AROUND INLET
All
EXISTING CONCRETE CURB y!'
AND PAVEMENT .4"
EXISTING INLET
\S C x S�p.O�
��yRoC���•� O�
S9
1836
TE X
SEE CONSTRUCTION HANDBOOK SECTION 4.3.4 FOR
SANDBAG DESIGN AND MAINTENANCE REQUIREMENTS
Q�
GENERAL NOTES:
1. BAGS OR WATTLES CAN BE USED FOR THIS APPLICATION.
2. PROVIDE WOVEN OR UNWOVEN GEOTEXTILE FILTER FABRIC FOR BAGS.
3. PROVIDE COARSE SAND AND AGGREGATE MIX FOR FILL MATERIAL FOR BAGS. USE ONLY
PARTICLES CONSISTING OF CLEAN, HARD, DURABLE MATERIALS FREE FROM ADHERENT
COATINGS, SALT, ALKALI, DIRT, CLAY, LOAM, SHALE, SOFT OR FLAKY MATERIALS, OR
ORGANIC AND INJURIOUS MATTER.
4. REMOVE SEDIMENT DEPOSIT WHEN THE SEDIMENT HAS ACCUMULATED TO ONE-THIRD THE
HEIGHT OF THE BARRIER.
INLET PROTECTION
BARRIERS FOR
STAGE II INLETS
IPB
SYMBOL
CONSTRUCTION HANDBOOK=
STORM WATER MANAGEMENT HANDBOOK
FOR CONSTRUCTION ACTIVITIES PREPARED BY
CITY OF HOUSTON, HARRIS COUNTY, AND
HARRIS COUNTY FLOOD CONTROL DISTRICT,
2001 EDITION.
PRWECT PRE
STORM
WATER
POLLUTION
PREVENTION PLAN
DRAWN BY..
SHEET DESCRIMM,
JOB NO:
Am
D ETAI LS
CKD BY.•
ME MWE.•
C- 4b
SCALE
Alf NO.:
N.T.S.
09-077
634E
11/01/01
I APPROVED BY.•
1
SHT NO,
1/11
na rnuo nmrnun\woo,ennne,M ew000nrrnu c\nCfeO
et nWO CGt09Mi
LNI CONSULTING ENGINEERS, PLLC
LEGAL DESCRIPTION I x
BEING ALL OF RESERVE "51', OF SPENCER HIGHWAY SUBDIVISION, ADDITION NO. 2,
RESERVES 5 AND 6, A SUBDIVISION IN HARRIS COUNTY, TEXAS, ACCORDING TO THE
MAP OR PLAT THEREOF, RECORDED AT FILM CODE NO. 564041 OF THE MAP RECORDS
OF HARRIS COUNTY, TEXAS.
ADDRESS: 11006 SPENCER HIGHWAY, LA PORTE, TEXAS
1
i
FLOOD PLAIN DATA
THIS PROPERTY PARTIALLY LIES WITHIN THE 100 YEAR FLOOD PLAIN AS PER
THE FLOOD INSURANCE RATE MAP: 48201 CO-945L
DATE :JUNE 18, 2007 ZONE: X (UNSHADED)
NOTE: PRIOR TO CONSTRUCTION
ALL DIMENSIONS MUST BE CHECKED AND VERIFIED BEFORE CONSTRUCTION MAY BEGIN.
IN CASE OF A DISCREPANCY/ERROR CONTACT GENERAL CONTRACTOR IMMEDIATELY.
#4 REBAR @ 16" O.0 EW @ MIDPOINT
6" REINFORCED CONCRETE PAVEM
COMPACT TO A MINIMUM OF 9S% STD. PROCTOR DENSITY.
CONTRACTOR SHALL CONSULT WITH GEOTECTINACAL
ENGINEER OR REFER & CONFORM TO THE RECOMMENDATIONS
OF THE GEPTECHNICAL REPORT SUBGRADE PREPARATION AND
STABILIZATION.
PARKING AREA
STEEL TROA
FINISH EDGE
1/4" RAD (TYP)
(USE EDGING TOOL, \
6-
2„
N.T.S
�0" WHERE CONC. CURB OCCURS
6STEEL
2" ASPHALT IMPREGNATED
EMOIDED FIBER FILLER
CONCRETE
(CURB, FOUNDATION,
SLAB, WALL OR
STAIRS)
8 D COMMON ® 12" O.C.
ISOLATION JOINT DETAIL
N.T.S
24' SMOOTH DOWELS
(SEE TABLE)
T
WZEL
6PACING
< 7'
1 6
12'
2 7-1
I/ 8
1 5-
HOT POURED RUBBER JOINT
SEALING COMPOUND PLACED 3/4" 1-1 4 MIN. CLEARANCE
1" ABOVE FILLER STRIP BAR STOPS
2"
T/2� 6" 6"5
aosEO END
DOWEL SLEEVE TO FIT
DOWEL & BE SECURED.
DOWEL MUST BE LUBED
REDWOOD FILLER DOWEL SUPPORT
STRIP
NOTES: 1. PAVEMENT STEEL IS NOT SHOWN FOR CLARITY AND SHALL STOP 3 INCHES
FROM JOINT.
2. EXPANSION JOINTS SHALL BE PLACED AT ALL POINTS OF CURVATURE,
POINTS OF TANGENCY AND ALL INTERSECTION CURB RETURN POINTS.
MAXIMUM SPACING SHALL BE 600 FEET.
TRANSVERSE EXPANSION JOINT
N.T.S
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SPENCER HIGHWAY
CONC PAVING - (100- R.O.W)
4' SIDEWALK
IIII
PROPOSED 4' SIDEWALK
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EAST - 200.00'
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CONST UCTION JOINT ATTH EASEMENT
WEST - 2005'
** THE OWNER OF THE PROPERTY UNDERSTANDS AND AGREES TO PAVE OVER THE EXISTING
UTILITY EASEMENTS SOUTH OF THE BUILDING AT HIS OWN EXPENSE. IN CASE OF ANY
MAINTENANCE WORK TO BE PERFORMED BY THE OWNER OF THE EASEMENT WITHIN THE SAID
EASEMENTS, THE OWNER OF THE EASEMENT SHALL NOT PAY FOR THE COST TO REMOVE THE
PAVEMENT.
2' —GA SLINE ESMT.(E
5'x20' A.E.
13' PRIVATE U.E.
— 5'x2O' A.E.
—8' U.E.
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9 OF 11
CONSULTING ENGINEERS, PLLC
LEGAL DESCRIPTION
BEING ALL OF RESERVE "5", OF SPENCER HIGHWAY SUBDIVISION, ADDITION NO.2,
RESERVES 5 AND 6, A SUBDIVISION IN HARRIS COUNTY, TEXAS, ACCORDING TO THE
MAP OR PLAT THEREOF, RECORDED AT FILM CODE NO. 564041 OF THE MAP RECORDS
OF HARRIS COUNTY, TEXAS.
ADDRESS: 11006 SPENCER HIGHWAY, LA PORTE, TEXAS
FLOOD PLAIN DATA
THIS PROPERTY PARTIALLY LIES WITHIN THE 100 YEAR FLOOD PLAIN AS PER
THE FLOOD INSURANCE RATE MAP: 48201 CO-945L
DATE :JUNE 18, 2007 ZONE: X (UNSHADED)
NOTE: PRIOR TO CONSTRUCTION
ALL DIMENSIONS MUST BE CHECKED AND VERIFIED BEFORE CONSTRUCTION MAY BEGIN,
IN CASE OF A DISCREPANCY/ERROR CONTACT GENERAL CONTRACTOR IMMEDIATELY.
12" NOTES:
1. At the beginning and end of the
fire lane, the sign shall have a
single headed arrow pointing in
PARKING the direction the regulation is in
effect. The intermediate signs
shall have double headed arrows
pointing in both directions.
1 2. The maximum spacing of the signs
2.5 shall be 75', contingent upon
Traffic Engineering s review and
FINE,, approval.
00
3. The signs shall be set at an
LANE- 2.5" angle of not less than 30' nor
more than 45' with the curb or
1), line of traffic flow
TOW -AWAY ZON Ell 4. The clearance to the bottom of
the sign shall be 7 feet. There
2.5° shall be no other signs attached
to the sign or the sign pole.
>2. 5. The sign plate shall be a minimum
of 12 x 18 with a thickness of
0.80".
LANE MARKING SPECIFICATIONS
CURB LOCATION BETWEEN APPROVED FIRE LANE -TOE -AWAY
ZONE SIGN SHALL BE PAINTED RED OR A RED STRIPE SHALL BE
PLACED ALONG THE PAVEMENT WHERE THERE IS NO CURB. THESE
CURBS SHALL BE CONSPICUOUSLY AND LEGIBLE MARKED WITH
THE WARNING "FIRELANE-TOW-AWAY ZONE" IN WHITE LETTERS
AT LEAST 3" (THREE) INCHES IN HEIGHT, AT INTERVALS NOT TO
EXCEED 50 (FIFTY) FEET.
INLET
RIM ELEV. - 21.12'
FLOW LINE ELEV. =
SPENCER HIGHWAY
CONIC PAVING - (100' R.O.W)
® =111
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RESERVE 5 & 6
SPENCER HIGHWAY, SECTION
11032 SPENCER, HIGHWAY
LA PORTE, TEXAS
5'x2O' A.E.
13' PRIVATE U.E.
5'x2O' A.E.
—8'' U.E.
EXIST SWB
PEDESTAL
TOP=23.01
EXIST COMCAST
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TOP=22.84
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10OF11 10
1, PAVING
1. DESIGN THICKNESS OF PAVING 6.1
11. STABILIZED SUBGRADE TO A DEPTH OF 24" OR PER SOIL REPORT
III. DESIGN STRENGTH OF CONCRETE 3,000 psi
IV. TYPE AND PLACEMENT OF STEEL: #4 @ 16" o.0
DRIVEWAYS
I. NUMBER OF DRIVEWAY APPROACHES PROPOSED: 2 (H1C)
II. HARRIS COUNTY STANDARD DRIVEWAY DETAIL APPEARS
ON SHEET C-1.0 (SHT 2 of 10)
FIRE APPARATUS ACCESS ROAD
0 REQUIRED AND SHOWN ON SHEET(S) CF-I.0 (SHT 9 of 10)
❑ NOT REQUIRED DUE TO
CURBING
I. ISLANDS AND MEDIANS REQUIRE STANDARD 6" CURBING
II. 0 STANDARD 6" CURBING PROPOSED
❑ 4" x 12" CURBING PROPOSED EXCEPT AT MEDIANS AND ISLANDS
TRAFFIC CONSIDERATIONS
I. MEDIAN CUTS
0 NO MEDIAN CUT OR RELOCATION IS PROPOSED
❑ MEDIAN MODIFICATIONS ARE SHOWN ON SHEET
II. LEFT / RIGHT TURN LANE
0 NO LEFT / RIGHT TURN LANE IS PROPOSED
❑ LEFT / RIGHT TURN LANE IS SHOWN ON SHEET
III. TRAFFIC CONTROL PLAN
❑ NO OK IN THE RIGHOF WAY IS P
WOULDRINTERFE E WTHT TRAFFIC FLOWROPOSED THAT
❑ TRAFFIC CONTROL SHOWN ON SHEET
IV. TRAFFIC SIGNAL
❑X NO TRAFFIC SIGNAL IS EXISTING / PROPOSED
❑ EXISTING TRAFFIC SIGNAL DEVICES (T.C. BOXES AND LOOPS)
SHOWN ON SHEET
❑ PROPOSED TRAFFIC SIGNAL (BY OTHERS)
V. TRAFFIC IMPACT ANALYSIS
❑X NO TRAFFIC IMPACT ANALYSIS IS REQUIRED
❑ TRAFFIC IMPACT ANALYSIS HAS BEEN APPROVED ON DATE: ____-_-
2, RESIDENTIAL /SUBDIVISION DRAINAG
I. DRAINAGE SYSTEM TYPE
STORM SEWER
❑ OADSIDE DITCH
II. DESIGN METHOD USED
❑ CITY HOUSTON -
FREQUENCY
El OTHER
III. DRAINAGE SYS M OUTFAC(NN
❑ TO DETENTION ONG
❑ DETENTION PON MAINT
❑ TO HCFCD DRAINA E DI.
❑ TO HARRIS COUNTY O
ROAD NAME:
[-]STATIC W.S.E. O OUTFALL I __—__,❑PROPOSED
STORM SEWE S SIVSTORMSEWER
OUT LL
CAPACITY ALLOCATD TO TRAAP:-__----
(CFS)
FROM DRAINAGE REA MAP D
PREPARED BY:
ACTUAL OUTF LL RATE: ----- — ---- __ __----
--- (CFS)
V. DRAINAG SYSTEM FLOW RATE
FLOW IOR TO DETENTION:
CFS
FLO AFTER DETENTION (IF REQUIRED):
CFS
%, FLOOD CONTROL DISTRICT CRITERIA
I. DETENTION SUMMARY
STORMWATER DETENTION BASIN ROUTING TABLE
DETENTION BASIN DRAINAGE AREA = ___ ACRES
RAINFALL EVENT PROBABILITY
PRE -DEVELOPED PEAK
RUNOFF CFS
POST -DEVELOPED PEAK
RUNOFF CFS
DETENTION BASIN
PEAK OUTFLOW CFS
MAXIMUM WATER
SURFACE ELEVATION
PEAK STORAGE
VOLUME AC -FT
STORAGE RATE
AC -FT PER AC
10% EXCEEDANCE (10-YEAR)
1% EXCEEDANCE (100-YEAR)
ADDITIONAL CRITERIA FOR PUMPED DETENTION BASINS:
VOLUME OF PUMPED 1% EXCEEDANCE STORAGE VOLUME = ___AC -FT __ % OF TOTAL VOLUME
MAXIMUM DESIGN OUTFLOW VELOCITY INTO HCFCD CHANNEL = ___^FT./SEC.
DRAIN TIME FOR BASIN = HOURS BASED ON __�HEAD CONDITIONS.
STORMWATER DRAINAGE DESIGN REPORT
REPORT TITLE -_--_____
T REPORT DATE -_ ---- _--- ENGINEERING FIRM
DATE OF ACKNOWLEDGEMENT BY HCFCD OR FLOODPLAIN ADMINISTRATOR_____ HCFCD PROJECT
STORMWATER DETENTION FOR THE PROPOSED WORK CONTAINED IN THESE PLANS IS PROVIDED BY OTHER PLANS:
PLAN TITLE
ENGINEERING FIRM DATE SIGNED BY HCFCD ----- HCFCD PROJECT #
II. HCFCD STANDARD NOTES: SEE SHEET OF THESE PLANS.
Ill. HCFCD STANDARD DETAILS: SEE SHEET OF THESE PLANS.
IV. REFER TO PLAN SHEETS FOR EXISTING AND PROPOSED RIGHT
OF WAY DELINEATION AND COMPLETE RECORDING INFORMATION TO INCLUDE
CLERK'S FILE NUMBERS, TYPE OF ESTATE (e.g., DRAINAGE EASEMENT,
FEE STRIP, ETC.) AND GRANTEE (e.g. COH, HCFCD, PUBLIC, TXDOT, ETC.)
NOTES:
I. COMPLETE ONLY IF HCFCD OR HARRIS COUNTY IS REQUIRING DETENTION.
If. COMPLETE ONLY IF PROJECT HAS WITHIN IT OR IS IMMEDIATELY ADJACENT TO AN EXISTING OR
PROPOSED HCFCD MAINTAINED CHANNEL OR DETENTION BASIN.
Ill. COMPLETE ONLY IF PROJECT INCLUDES NEW OUTFALL, BACKSLOPE INTERCEPTOR OR OTHER
RELATED WORK WITHIN AN EXISTING OR PROPOSED HCFCD MAINTAINED CHANNEL OR DETENTION BASIN.
N. COMPLETE ONLY OF PROJECT HAS WITHIN OR IMMEDIATELY ADJACENT TO IT AN EXISTING
OR PROPOSED PUBLIC DRAINAGE CHANNEL OR DETENTION BASIN.
3. COMMERCIAL / OTHER SITE DRAINAGE
I. PROPOSED DRAINAGE AREA
O NEW DEVELOPMENT AREA:
1.1658
❑ RE -DEVELOPMENT AREA (AMOUNT INCREASED
IMPERVIOUS AREA):
11. DETENTION VOLUME
❑
.55
NEW AREA 1_1658 X__ _= 0.52I6ACRE
FEET
❑
.65
DETENTION REQUIRED
❑
.75
IF]
OTHER: 0.4 1 (City of LaPorte)
PROPOSED VOLUME = 0.5523 ACRE FEET
Ill. OUTFALL
OUTFALL TO ❑ H.C. ROADSIDE DITCH
x❑ EXISTING H.C. STORM SEWER
❑ OTHER
ROADSIDE DITCH OUTFALL:
ALLOWABLE OUTFALL RATE=__1_s_s__----
---__-_— (I -IFS)
PROPOSED OUTFALL RATE: 1.98 (min w restrictor)
❑ STORM SEWER OUTFALL
CAPACITY ALLOCATED TO TRACT FROM D. A.
MAP: _ !•55__ (CFS)
FROM DRAINAGE AREA MAP DATED:
02-26-1991
PREPARED BY: TEXAS DEPARTMENT OF TRANSPORTATION
ACTUAL OUTFALL RATE: 1_93 --------
— ------ — (CFS)
IV. PUMPED DETENTION FACILITIES
VOLUME THAT GRAVITY FLOWS: ----------
— ---------- CRE FEET
VOLUME THAT IS PUMPED:
— ------- ACRE FEET
ENTRANCE VELOCITY INTO ROADSIDE DITCH
OR STORM SEWER:
PUMP SPECIFICATIONS AND OPERATING PLAN
APPEAR ON SHEET
V. FLOW RESTRICTOR SIZE
OUTFALL PIPE SIZE: 24" H.D.P.E
RESTRICTOR PIPE SIZE: 6" RESTRICTOR
$, FLOOD PLAIN STATUS 9,
1. GENERAL INFORMATION
FIRM PANEL(S) FOR PROPERTY: 48201 CO-945L
FIRM PANEL(S) DATE: JUNE 18, 2007
STATUS OF PROPERTY ON MAP
0 ENTIRELY LOCATED IN UNSHADED ZONE 'Y'
❑ LOCATED PARTIALLY IN ANY "A" ZONE OR SHADED ZONE "X",
DELINATE FLOODPLAIN BOUNDARY ON CONSTRUCTION DRAWINGS
(DRAINAGE LAYOUT PG. NO.-__—) (BASE FLOOD LEVEL---_)
❑ LOCATED ENTIRELY IN ANY "A" ZONE OR SHADED ZONE "X',
(INDICATE BASE FLOOD LEVEL--_--______)
❑ LOCATED IN THE 10-YEAR FLOODPLAIN
❑ LOCATED IN CYPRESS CREEK LOMR 08-06-2369P
(INDICATE BASE FLOOD LEVEL __—_--_---)
❑ SITE REMOVED FROM FLOODPLAIN BY LOMA
OR LOMR-F CASE NO._--------------------
❑ OTHER
ELEVATION INFORMATION
BENCHMARK USED
❑x HARRIS COUNTY FLOODPLAIN REFERENCE MARK
❑ HARRIS-GALVESTON COASTAL SUBSIDENCE DISTRICT
BENCHMARK (FOR COASTAL AREAS)
DESCRIPTION OF BENCHMARK INCLUDING ELEVATION, DATUM AND
YEAR OF ADJUSTMENT (2001 ADJ.) Floodp1aln Reference Mark Number
010310 Is a BRASS DISC Stamped 010310 at intersection of Fairwood and
Driftwood located on Inlet, at the southeast corner of the intersection in KeyMap
539Y In the Clear Creek Watershed near stream Al 04-07-00
ELEV. 20.84 Feet NAVD 1988, 2001 Adjusted
It. FLOOD PLAIN DETERMINATION BASED ON GROUND ELEVATION
❑X PROPERTY LIES ENTIRELY ABOVE THE BASE FLOOD LEVEL
AND IN SHADED ZONE 'Y'
❑ PROPERTY LIES PARTIALLY OR ENTIRELY BELOW THE BASE FLOOD
LEVEL
111. FLOODPLAIN STORAGE SUMMARY (APPLIES ONLY TO PORTION OF LAND LOCATED WITHIN
FLOODPLAIN AS DELINEATED BY FIRM PANEL).
A. TOTAL VOLUME OF MATERIAL PROPOSED TO BE PLACED WITHIN THE FIRM
DELINEATED FLOODPLAIN (FILL, BASE, CONCRETE, ASPHALT, ETC.):
i.e., BELOW ELEVATION _ (2001 ADJ.) CUBIC YARDS
B. TOTAL VOLUME OF MATERIAL PROPOSED TO BE REMOVED FROM THE FIRM
DELINEATED FLOODPLAIN:
i.e., BELOW ELEVATION — (2001 ADJ.) CUBIC YARDS
NOTES:
1. COMPLETE FOR ALL PROJECTS
II. COMPLETE ONLY IF PROJECT IS ADJACENT TO 100-YEAR FLOOD PLAIN
IV. ❑LOMR REQUIRED
yfr /,
VERIFIED BY: b All. ► is( * 4-1
NOTE: CITY OF LA PORTE IS THE FLOODPLAIN ADMINISTRATOR
FOR THIS PROJECT
4, WATER AND WASTEWATER
I. TYPE OF SERVICE PROPOSED
0 MUNICIPALITY: City of La Porte
❑ MUNICIPAL UTILITY DISTRICT:
❑ OTHER DISTRICT:
❑ PRIVATE WATER AND WASTEWATER SYSTEMS
❑ PRIVATE WATER SYSTEM AND INDIVIDUAL OSSF
❑ INDIVIDUAL WATER WELL AND OSSF
❑ OTHER:
il. PROOF OF CAPACITY
❑ LETTER FROM DISTRICT AUTHORIZING SERVICE
AND CONNECTION
❑ TCEQ APPROVAL FOR WATER SYSTEM AND
PERMIT FOR WASTEWATER SYSTEM.
❑ OSSF SUBDIVISION PLANNING REPORT
5. DESCRIPTION OF PROPERTY
I. LEGAL DESCRIPTION
A. ACREAGE:EEING' 1558ACRE TRACT, ALL O=RESERVE "5' OF SPENCER HIGHWAY SUBDIVISION.
ADD' ION NO. Z RESERVES 5 FNO 6, A SUBOIVISICII IN HARRIS COUNTY TEXAS ACCORDING 10 THE MAP OR PLAT
THEREOF, RECpORDED AT FILM CODE NO SN041 OF THE MAP RECORDS OF HARRIS COUNTY TEXAS
B. ❑ SUBDIVISION: SPR-CEP. 1IG1D%,Y SJ6CIVS �>4. A7DBIq`1 P10.2 RESiFVE33 E
❑ SURVEY & ABSTRACT:
C. ADJACENT ROADS: DRIFTW000ST
FAIRWOOD DR
II. PLATTING
A. SUBDIVISION PLAT
❑ PROPOSED PLAT / REPLAT
0 RECORDED PLAT / REPLAT
PLAT NAME: SPE_NCER_HIGHWAY. SECTION 2 - RESERVE 5 & 6
PLAT NUMBER —FILM CODE NO_564041 OF H.C.M.R_—_--
❑ NO PLAT REQUIRED
B STREETS PROPOSED
III. AMOUNT OF FLOW
❑
PUBLIC
❑
RESIDENTIAL: LOTS OR UNITS
❑
PRIVATE
❑
COMMERCIAL: AVERAGE DAILY FLOW
❑
Ej
PUBLIC & PRIVATE
NONE
❑
OTHER:
III. JURISDICTIONS
❑
CITY OF HOUSTON
NOTES:
I. COMPLETE FOR ALL PROJECTS
O
CITY OF LA PORTE
II. COMPLETE FOR ALL PROJECTS.
❑
ETJ, CITY OF HOUSTON
III. COMPLETE ONLY IF TCEO DISCHARGE PERMIT IS PROPOSED
❑
ETJ CITY OF
WORK IN HCFCD RIGHT-OF-WAY
I. TYPE OF WORK TO BE PERFORMED IN CHANNEL
0 OUTFALL
❑ UTILIrY CROSSING
❑ ROADWAY BRIDGE / CULVERT CROSSING
❑ FILL ACTIVITY
❑ REHABILITATION OF CHANNEL
❑ MAINTENANCE
❑ TEMPORARY CROSSING
❑ OTHER
11. PERMIT
❑ US ARMY CORPS ENGINEERS NATIONWIDE
PERMIT NUMBER(S) —
❑ US ARMY CORPS OF ENGINEERS INDIVIDUAL PERMITS
❑ OTHER
0 NO PERMITS REQUIRED
EXPLAIN:
❑ NO ETJ
IV. HCAD ACCOUNT NOS. (ALL)
125-743-000-0001
V. UNOBSTRUCTED VISIBILITY_ EASEMENT (U.V.E.)
❑ REQUIRED AND SHOWN ON SHEET(S)
® NOT REQUIRED
KEY MAP R) poge(s)_______-------
*CPC: 101 FORM MAY BE REQUIRED
1 Q ITEWORK SUMMARY
ARRIS
COUNTY ADMINISTRATIVE DATA
(THIS SECTION TO BE FILLED OUT BY HARRIS COUNTY REVIEWER)
CRITICAL FACILITY ❑ YES ■ NO
❑
STORM WATER QUALITY
❑
DETENTION
❑
DRAINAGE SWALE
■
CUT—_CU.YDS. / FILL---CU.YDS.
ElFILL
PLACEMENT --------- —#gACRES
■
ORGANIZED SEWER ❑ PUBLIC / PRIVATE
■
ORGANIZED WATER ❑ PUBLIC ■ PRIVATE
❑
UNDERGROUND UTILITIES (COMBINATION WATER/SEWER)
PAVING ❑ PUBLIC 11PRIVATE
■
DRIVEWAY WITH CULVERT___ CURB AND GUTTER_C_ TXDOT__-
❑
CULVERT ---
SEPTIC ❑ NO ❑ EXISTING ❑ PROPOSED
0
OTHER --------------------------------
SIGN
CLASSIFICATION
LOCATED IN:
■ ETJ
❑ SCENIC DISTRICT
❑ TOLL ROAD
III. REFERENC`/ BASIS OF DETERMINATION
❑ ENVIRONMENTAL CONSULTANT REPORT
BY. ----------------------------
REPORT TITLE --- ----- —------ — --- --_-_- 11
REPORT DATE _—___ ---------- —_--_-_
❑ OTHER ---- —------------------- -------
NOTES:
I. - IL REQUIRED ON PROJECTS WITH WORK IN A HCFCD CHANNEL.
PLEASE REFERENCE SECTION 17 OF THE FLOOD CONTROL DISTRICT
POLICr, CRITERIA, AND PROCEDURE MANUAL FOR MORE INFORMATION.
HARRIS COUNTY'
PUBLIC INFRASTRUCTURE DEPARTMENT
EASEMENT AUTHORIZATION
❑ LETTERS _--__-_
CURB RAMPS / SIDEWALK
CURB RAMPS PROPOSED ❑ YES M NO
SIDEWALKS PROPOSED ® NO
A. HOME BUILDER ❑ YES
B. DEVELOPER ❑ YES
C. H.O.A. ❑ YES
D. OTHERS
12
a
LANDSCAPING
REQUIRED AND SHOWN ON SHEET(S)C-1 —__SITE DIMENSION PLAN
NOT REQUIRED
NOTES:
A PERMIT IS REQUIRED FOR EACH SCOPE OF WORK ON SITE.
A NOTIFICATION IS REQUIRED FOR EACH SCOPE OF WORK IN HC OR HCFCD ROW.
REFER TO www.eng.hctx.net/permits FOR EACH SCOPE OF WORK IN HC OR IN
HCFCD ROW.
(, STORM WATER QUALITY
I. CONSTRUCTION PROTECTIVE MEASURES.
(] SWPPP SITE PLAN AND DETAILS ON SHEET(S) SHEETS
II, APPLICABILITY FOR PERMANENT FEATURES.
❑X EXEMPT NEW DEVELOPMENT OF LESS THAN 5 ACRE PARCEL.
❑ EXEMPT REDEVELOPMENT OF A 5 ACRE OR LARGER PARCEL WHERE
TOTAL IMPERVIOUS SURFACE (EXISTING PLUS PROPOSED) IS LESS THAN 1 ACRE.
❑ EXEMPT "GRAND FATHERED" BY AN EXISTING STORM SEWER LINE.
❑ STORM WATER QUALITY PERMIT REQUIREMENT FOR THIS PROJECT IS COVERED
BY-------------------------* *.
❑ "STORM WATER QUALITY MANAGEMENT PLAN" INCLUDED. SWQMP SITE PLAN ON
SHEET(S) ---------------------------------
III. PERMANENT STORM WATER QUALITY FEATURES,
❑ VEGETATIVE CONTROLS USED: (FILTER STRIP, GRASSY SWALE, URBAN FORESTRY)
DETAILS AND CALCULATIONS APPEAR ON SHEET(S)-----__-----
❑ POND STRUCTURE USED (WET, DRY, WETLANDS) DETAILS AND CALCULATIONS
APPEAR ON SHEET(S)—__---------
❑ HYDRODYNAMIC TYPE SEPERATOR MODEL: -------------------------
❑ OTHER(S):
NOTES:
I - 11 REQUIRED ON ALL PROJECTS, III IF NOT EXEMPT OR-GRANDFATHERED"
INCLUDE: PROJECT TITLE, HARRIS COUNTY PROJECT NUMBER, AND SWQ PERMIT NUMBER, OR
THE NAME OF THE PERMITTING AUTHORITY IF OTHER THAN HARRIS COUNTY.
HCPID SIGNATURE BLOCK
PROJECT NAME:
JACINTO OFFICE BUILDING
11006 SPENCER HIGHWAY, LA PORTE, TEXAS - 77571
WAS ACCEPTED BY THE FOLLOWING GROUPS FOR THE PURPOSES LISTED BELOW:
ENGINEERING DIVISION
BY INTERPOSE NO OBJECTION
BY AS TO PAVING AND/OR DRAINAGE ONLY
BY AS TO LOCATION OF ITEMS IN COUNTY RIGHT OF WAY
BY AS TO STORM WArLR QUALITY
ADDITIONAL COMMENTS:
DATE
DATE
/Z?2-
DATE
//-zs-oq
DATE
HARRIS COUNTY FLOOD CONTROL DISTRICT
% INTERPOSE 0 OBJECTION
BY O x x,,t /.��'-' DATE
FOR ITEMS LOCATED OUTSIDE OF HCFCD RIGHT-OF-WAY
APPROVED:
BY DATE
FOR ITEMS LOCATED WITHIN EXISTING HCFCD RIGHT-OF-WAY
APPROVED:
BY DATE
FOR ITEMS LOCATED WITHIN PROPOSED HCFCD RIGHT-OF-WAY
ADDITIONAL COMMENTS:
THE PROJECT WAS REVIEWED, HOWEVER, THIS DOES NOT MEAN THE ENTIRE PROJECT, INCLUDING ALL SUPPORTING DATA
AND CALCULATIONS HAVE BEEN COMPLETELY CHECKED AND VERIFIED, THESE DRAWINGS ARE SIGNED, DATED AND SEALED
BY A PROFESSIONAL ENGINEER LICENSED TO PRACTICE IN THE STATE OF TEXAS,, WHICH THEREFORE CONVEYS THE ENGINEER'S
RESPONSIBILITY AND ACCOUNTABILITY. THIS DOES NOT RELIEVE ANY PARTY FROM COMPLYING WITH APPROPRIATE FEDERAL, STATE
AND LOCAL ENVIRONMENTAL RULES, LAWS, AND REGULATIONS AND ANY OTHER LEGALLY ADOPTED REGULATION OR ORDINANCE
RELATED TO LAND DEVELOPMENT. IF THE CITY SIGNATURES ARE REQUIRED BY ORDINANCE, COUNTY PERMITS WILL NOT BE ISSUED
UNTIL SUCH SIGNATURES ARE OBTAINED. THESE SIGNATURES ARE VALID FOR A MAXIMUM OF TWO YEARS.
ENGINEER'S CERTIFICATION
Eshraghollah Vatani A LICENSED PROFESSIONAL ENGINEER IN THE STATE OF TEXAS, DO HEREBY CERTIFY THAT THE
INFORMATION PRESENTED ON THIS SHEET IS TRUE AND CORRECT TO THE BEST OF MY KNOWLEDGE AND THAT I AM
NOT VIOLATING ANY PROVISION OF THE CURRENT TEXAS ENGINEERING PRACTICE ACT AND RULES CONCERNING THE
PRACTICE OF ENGINEERING AND PROFESSIONAL ENGINEERING LICENSURE.
ANY VIOW E FORWARDED TO THE HARRIS CO DISTRICT ATTORNEYS OFFICE FOR PROSECUTION.
THE CONSISTS OF D W NG SHEET 1 RU i t
yr w l� r�
*.i.................—.....i. * I
sESHRAGHOLLAH VATANI j SIGNAT DATE
s e991�1++s4 0 ar; R E V I S I O N S
DATE JY�EN6�� DESCRIPTION H.C. APPROVED DATE
I I SHEET NUMBER
j EXPRESS REVIEW SHEET
VERSION 11.0 AUGUST 4, 2009
PROJECT NO X056 P_ I 1 1 OF _ 111