HomeMy WebLinkAboutS. 13TH ST. CONSTRUCTION - W. "K" ST. to W. "L" ST.is
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DESIGN
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ENGINEERING
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C®i��ERCIAE '�
FAIRMONT PARKWAY �
RESI�EN�IAL _
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INSPECTIONS
WEST K
CARNES ENGINEERING, INC.
12605 I . H . 10 EAST
BAYTOWN, TEXAS 77520
(281) 385-1200 (281) 385-0920 FAX
INFO@CARENG.NET
WWW.CARNESENGINEERING.COM
WEST I L
DETENTION
POND
VICINITY MAP
(N.T.S.)
KEY MAP — 580f GIMS/HCAD - 6253c
CONTENTS..
1. COVER SHEET
2. PLAN AND PROFILE SOI�TH 13TH STREET
STA 0+00 TO 11 +00
3. STAN-DARD PAVING DETAILS -
4. STANDARD STORM SEWER DETAILS
5. DRAINAGE DETAILS
SHEET 1 OF 5 Zoo?-440�
o+o0 1+Do D 3+00 +oo
�� i I NO IMPROVED STREET THIS RIGHT-OF-WAY � N � I ' S. 12TH STREET (60' R.O.W.) (UNIMPROVED)
�� iA TOP RIM ELEV = 15.61' h
�� I (C�QULO NOT OPEN) m � - - - _ _ _
- 3;T -•-'- � -'-'-• �'- -.S 3'04'18°.E .--•400.00',-•-•-'-'-•- -'- --n-._._.i. � ;4i
- I = - � -' = I -- I = - i -' �^ I � 10' BUILDING LINE .1- --T ^ � f� 'I -`__I-._._ I _ i ( i. i I ( I I
I l o l I I I� II I�---- I! � I I I I I I I ! ! I I I I
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- I I i ( I R I I III W I L1� I gI (� PROP FLN 2s,NR MH7.00 I I I D3 � _
- i i I I I WI "II I COMMERCIAL RESERVE "B" '� I � I I � I I i i i I ! I I I I I !
'i' o I �
" TYPE III IBARRICAD� I I I I I ( I ( I ( ( ( Z
� I N I M i d' I ,n I ,-) I PROP I SANLWR. H .. PROP 400 .. SD • • - .. - .. _ .. _ . � . Tp=13.9 ( I ! i ' Q
.r ,- � � LF 12" R26 SAN SWR ( I I I I Z
MM���__ ..20'BUIIDING, UNE_. _..-..-..- -,.L.. _..-.. -..- I I I I
-' I ( I I • 5 I RII PRmPi FL 12 S =5.60• a � � � mEXIST OHP � n h �• I I vl I I ry. N .
wl m m m � I ( n m. a' o ,o �
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_ - - - - TC=73.87 � � � a
- g PR TY E INLET PROP 311 LF 36" HOPE PR Y INLET �
TP=t4•il T =i3.37 PROP 4 SWR MH ,�_ TP=13.86 TP=14.10 PROP 380 lF 24" HDPE PROP 36'FL=7.85
PVMTEddSCUR�S�� I �- -� � �= i � l AVE 8" BLOCK OUi IN CURB EVERY 2 PROP 24'FL=9.62 STM SWR ®D.0025 TOP El = 0
PROP 6" RDNF CONC PVMT PROP �4 FL=f0.37 E STM SWR ®0.0R2 PROP 36"FL=8.62g+00 PROP 48"FL=7.85s
� w _ _ _ 0+00 TP-14.561+00 it 2+00 3+00 TP=1 RP OP 24"FL�10.374'F'� 1P=14.33 5+00 6+00 7+00 8+00 9+00 �(�}Op
� - � MATCH EXIS� � '� TP I14.57
EXIST MH I
I I `� I I I ( N tV
� TOP RIM EL�V = 14.39 " SOUTH 13TH ST T (80' R-O-W) TYPE III BARRICADE SOUTH 13TH STREET (80' R-O-W) (UNIMPROVED)
PVMT &CURB I !- INV_�2.34
ELEVATIONS I Tp=t4,71 TP=13.40 -- TP=13.86
TC=14.61 a N TC=13.9 TYPE "C' INLET TC=14:60 I
I h � h '"i `h PROP 24"FL=10.40 n � _ _
� � _ _. __._._._.(Y41UME.64.�'AGE_iJZ.�I,C.D.R.)-.-._._.�+ ._._._vim•-•-.-._. T.-• T.-•-.-• T.-.T.-.T._.T._. W
I- -I- -I- -�- T T T I I I I
T-T-�T •
I I zo' BUIIDING.UNE I TP=13.s I 32 31 � 30 29 28 ( 27 26 � 25 I 24 I 23 I 22 21 20 19 18 ( 17 ( �
I I ._.._.._.._.._.._..-.._.._.._.._.._.._.._. _.._ ._.._..-..-.._.._.._.. _ I I I I I
J I O i I I TC-14.4 I i i I I ( I � � M
J I N � N i 19 � 18 � 17 I ( � � ( � TYPE IiII BARRIC�.DE ( l I I I I I � � � � I ( �
i � I I i I �� �� I! ! I I � I � I I ! I I I I I I I I
i ! ! i I i! COMMERCIAL RESERVE A I O I I I I I ! I I I I I I I I I i I �� ,6.11li
I
( I I _ I I I I I I I
0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00 8+00 9+00 10+00
BEGIN NEW PAVING
EXIST TP=13.96
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FAIRMONT PARKWAY 3
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WEST K "'
WEST I L
WEST I M
PROJECT
DESIGN
ENGINEERING
COMMERCIAL
RESIDENTIAL
INSPECTIONS
CARNES ENGINEERING, INC.
128051.H. 10 EAST
3AYTOVW, TE: AS 77520
(281) 385-1208 (281) 385-0920 FAX
CARENG.NET
W W7M1LCARNESENGINEERING.COM
I I POND II ( Z
VICINITY MAP � �
(N.T.SJ Z cWc i'�
KEY MAP - 580f GIMS/HCAD - 6253c (-- � G W
.-PROP 58 LF 46" HDPE �/ � W
srM swR ®o.00t /W� � �
PORTS CROSSING 1� O ~ fA W
NOfc�TH DETENTION BASIN � I`
CITYY OF LA PORTS O � a = (�
MAINTENANCE d-
I'.5o H T s ig. ENH s R PRERTY I$LOODI�N�THES00 YEAR SPECIAL FLOOD HAZARD � � �jJ W �
PRDP 5" SLOPE PAVING
SEE OETAIL S EE AREA AS INDICATED BY F.E.M.A. COMMUNITY N0. 485487, PANEL 0945J, ~ � W
0 11+oDJ 2 DALIEBEARINGSBAND COORDINATOESEARE REFERENCED TO THE TEXAS STATE � W � �_ O � O
!) PLANE COORDINATE SYSTEM, SOUTH CENTRAL ZONE - USC & GS NORTH �„� I'- --� --� O U
AMERICAN DATUM OF 1927. THE CITY OF LA PORTS SURVEY MARKERS � Q = m a (n
LP.S.M. N0. 33 AND LP.S.M. N0. 35 ARE USED FOR BASIS OF BEARINGS. � O V
3. GRADE AND CONTOUR LINE ELEVATIONS ARE BASED ON THE CITY OF LA PORTF
SURVEY MARKER L.P.S.M. N0. 33, ELEVATION = 14.13 FEET, NGS SEA LEVEL I'" � W f-
1929 DATUM, 1978 ADJUSTMENT. CONTOURS SHOWN AT ONE FOOT INTERVALS. Z J = Q
4, THE ENTIRE ALLEYS IN BLOCK 1135, BLOCK 1136 AND BLOCK 1137 AND W J G O
THE PORTION OF 14TH STREET RIGHT-OF-WAY BETWEEN BLOCK 1136 AND W O (ff)
BLOCK 1137 ALL IN THE TOWN OF LA PORTS, HARRIS COUNTY, TEXAS {�
PERMANENTLY VACATED, ABANDONED AND CLOSED BY ORDINANCE 2004-2800, � V
THE CITY OF LA PORTS, TEXAS.
11+00 12+00 �
16
-PROP TOP S
ALE TO FOLLOW NATURAL G
OUND
�+
1 V
ROP SAN SWR MH
PROP TOP
TYPE "C" INLET
TOP BAN
15.50
MATCH EXIST PVMT,
ASE AND CURB EXIST N
TURAL GROUND TOP INLET
EL=13.90
EXIST
ATURAL GROUND
EXIST NATURAL GROUND
•,,--�'
15
15.08
14,7 14.
2
EN
"T"
PROP PAVEMENT W ITH
-,.
� ,
I
-' -• _.._.._.
14.98
14.98 1.5
00
STUB CURB ANO GUTTER
1
C 14.46
-••-• _� _ �-.•_..U4�6_.._.._..
�-"_.._.._.._.._.._.._.._.
•-_.,
AL
AROUND AS SHOWN
---
,.
-
'•
._.
_
TYPE E INLET
i
TC =14.61
SLOPE ®
p3 TC EL=14.60 ,
�
FL SWALE = 13.90
TYPE "E" INLET
TOP INLET EL = 14.00
�
14
P
SLOPE
� 0•03
�
' i
' 1 �
TOP INLET EL. 14.25
FL INLET EL = 13.50
�
14
• /
FL INLET EL = 13.7
�
°
.: ..
G EL = 13.
1 � d
TC -
a
YG EL = 13.6 '---
--------------------
----------------
7
.
d
----
----------------- ---
�
°
3
° .• ' °a
° �
a
FL SWALE = 13.75
PROP SWALE
13
d
FL SWALE = 13.50-
PROP 6"
LIME STABILIZED
DIT
H ALONG
SOUTH EDGE
PROP 6" LIM
STABILIZED
SUB-GRA
E WITH 8% LIME
OF
'M" STRE
T R.O.W.
12
SUB -GRADE
ITH 8% LIME
BY DRY
EIGHT
1 n
BY DRY WEIG
T
L
P
oP sAN swR MH
POP
380 LF 24" HD
E
_
_
11
11
10
FL 24" HDP
S 10.37 ±
PROP 311
LF 36".HDPE
1�
10
'
STM
R @
.001
O9
FL 24" HDPE S
9.62 ±
O9
OV
OV
FL6"SDR26N=7.0
FL 36" HDPE
S 8.62 ±
END FL
48" HDPE
07
_
-� 6
o
FL 36" H
PE S 7.85 ±
0%
`� �
�
FE48"H
PES7.85±
.- ---
SANITARY
06
12" s�
-26
_-• �
06
PR
FL 8" S
R26 - 5.60
POND B
TTOM ®1.50' ABOVE
MEAN SEA LEVEL
05
EXIST 36"
� MH ON
SAN SWR (E&W) FL 2.34
CL OF 13TH STREET
05
NOTES:
1. ALE COn!CRETE TO BE 6" THK
3000 PSI OR GREATER AFTER
7 DAYS.
2. ALL REBARS TO BE #4 @ 24"
O.C. EACH WAY (FUEL LENGTH
AND WIDTH OF PAVING SECTIONS.
3. STORM SEWER INLETS TO BE
TYPE "C" OR APPROVED EQUAL.
4. UNDERGROUND PIPING TO BE
24" RCP UNLESS A DIFFERENT
TYPE IS DIRECTED OTHERWISE BY
THE CITY OF LA PORTS.
� 7.80 ±
eSOUL 80RIN0 LOCATION
(lOCA710NS SHOWN ARE APPROXIMATE)
SCALE: 1 "=50' HORIZ
SCALE: 1 "=1' VERTICAL
2007-4401
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BENCHMARK:
DRAWN 8Y: RLA DATE: 05-10-07
SCALE: AS NOTED CHECKED BY: S.C.
REVISED BY: DATE:
ENGINEER: D. SPENCER CARNES, P.E.
SEAL
• �: +.�
*:• ...�
D. S. CARNES, JR.
.....�
DRAWING NUMBER
2of5
NOTE 3
REFERENCE PLAN &PROFILE DRAWING FOR R.O.W. DIMENSION i •° ,� • a d •d • �
__ SEE 1/4„ R ,d .dd a
w 47.9' w N TABLE 1 _, d J d
z z_ d d, d NAIL d 26 GAUGE
PROFILE GRADE TOOL JOINT OR SAWCUT T � d.•dad •. , d' d , � d PLASTIC TUBE
� ELEVATION 6° CONSTRUC710N JOINT SEAL 6" � d• a 'd,°d d• o
d • d 'dd
� i/4" /FT TYP OR KEYED CONSTRUCTION JOINT o
a , . . a S 0 7H
� �•4'd Ada 'd °d d d
• � � � SEE •TABLE• 1
' , . • .•.d; •qa•. •a . d
LIME STABILIZE TOP 6" � , d; °e" d d 'd • :,a
J/4 BARS ®24" C-C OF SUBGRADE i0 95i
STANDARD PROCTOR DENSITY i2" 3/4" BOARD EXPANSIO PRE —MANUFACTURED
JOINT FILLER JOINT PLATE
TYPICAL STREET CONSTRUCTION DESIGN SECTION
MONOLIT�IIC cUI�B STREETS DOWEL TYPE. EXPANSION JOINT
N.T.S.
80' R.O. W.
STANDARD SECTION Ti
CONCRETE SLAB AND
CURB IS NOT RUN A:
PART OF SL
/ES
N �S
t2" c-c
M M
3••
24„
WELDED WIRE FABRIC
N
N07
ALLOWED
3
�
N0. 4 BARS��
—fit —
3
�
� "� LONGITUDINAL JOINT
v
� (SEE DETAIL)
U
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PLAN -JOINT PLATE DOWEL DIA + 1/16"
ELEVATION - JOINT PLATE
N.T.S.
r 1 /4"
' __ „� _d �_— _
•d.°a� d.°a d'°° °..•°.•
SECTION
CONTROL JOINT
N.T.S.
TABLE 1
PAVEMENT
----THICKNESS --
(IN)
DOWEL SIZES AND SPACINGS
DIAMETER
(IN)
LENGTH
(IN)
SPACING
(IN)
4 1 2
1/2
18
12
5
1/2
18
12
6
3 4
18
12
7
1
18
12
NOTES:
1. STEEL TO MEET ASTM STANDARD SPECIFICATIONS
FOR CONCRETE REINFORCING BARS.
2. EXPANSION JOINT TO BE PLACED AT THE END
OF EACH CURB RADIUS AND SPACED AT A
MAXIMUM DISTANCE OF 36 FEET. MAXIMUM
SPACING FOR CONTROL JOINTS SHALL BE 20 FEET..
3. CENTER DOWEL HORIZONTALLY ON JOINT
4. CENTER DOWEL VERTICALLY IN CONCRETE AS
NEEDED TO MAINTAIN 2" MIN COVER
N0. 4 DEFORMED
BAR EMBEDDED IN
EXISTING CONCRETE
WITH EPDXY
—►{ 6"
d.a �• d' I a
_ , d d , mod.° . ,
.d. a � d: s s d ..••�._
d ° ° i .d.s
NEW EXIST.
12" I'AW CUT MIN. 2"
N
SECTION
SIDEWALK TO
EXISTING SIDEWALK
N.T.S.
N0. 4 DEFORMED
BAR EMBEDDED IN
EXISTING CONCRETE
WITH EPDXY?
�� � 6„
—�_
,d.° .
NEW 12" EXIST.
SAW CUT MIN. 2"
SECTION
SIDEWALK TO
EXISTING DRIVEWAY
N.T.S,
DESIGN
ENGINEERING
COMMERCIAL
RESIDENTIAL
INSPECTIONS
CARNES ENGINEERING, INC.
12805 LH. 10 EAST
BAYTOWN, TEXAS 77524
(281} 385-1200 (281) 385.4824 FAX
CARENG.NET
1N W�IV.CARNESENGINEERING.COM
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DRAWN BY: RLA DATE_05-10-07
SCALE: AS NOTED CHECKED BY: S.C.
REVISED BY: DATE:
ENGINEER; D. SPENCER CARNES, P.E.
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..............................:...
D. S. CARNES, JR.
2007-4401 DRAWING NUMBER
3 of 5
3/4• [TSmm) LEi7EPoNC
RECESSED FLUSH
2• [Sfmm] LETTERING
RECESSED FLUSH
(aj 1• [25mm] DIA
VENT HOLES
�Sq
I• [25mm] DIA HANOUNG HOLE
- ,%O
~ pd
° � �v.�,r w '�� _ � 2 yr
�, � � Q [84mm] '
(/� � 1
a O �l��1 C6c���� �<V
O �'.( J � O 4 [94mm]
P
r�.•m 3/4` [ISmm] lET(ERINC
RECESSED FLUSH
2' [Sfmm] LETTERING
RECESSED FLUSH
31 7/8• 1 t/2•
[810mm] � �38mm]
23`
[584mm] 2 1/2•
covER sEcnoN [5amm]
33 1/4`
[845mm) t 1/2'
[818mm] � 4 I/2"
[tt4mm)
7/18'
[lfmm]
[65mm] � [76Zmm]
33 IS/16"
[862mm]
40 3/4`
[f035mm)
FRAME SECTION
t) NOTE: APPROXIMATE WEIGHTS.
FRAME- 770 LBS 77kg
COVER- 270 L8S 123kg
UNIT- 440 LBS 2DDkg
2) MATERIAL- GRAY IRON ASTM A48 CL358
3) CASTING TO MEET M308 PRODF LOAD SPECIFICATIDN
4) MODEL V-1420 ASY OR APPROVED EQUAL
�• �
• � l_t
RING &COVER TO BE FLUSH
WITH NATURAL GROUND UNLESS
NOTED OTHERWISE
PRECAST CONC. GRADE RINGS
1'—]O" I �— FOR ADDITIONAL HEIGHT AS REO'D
STANDARD MANHOLE
• � I � NOTE:
� ... CONCRETE CRADLE SHALL BE
� � � '� PROVIDED FOR INFLUENT AND
SELECT NATIVE SOIL I EFFLUENT PIPES UNTIL FIRM
COMPACTED IN 24` LIFTS � w BEARING ON UNDISTURBED EARTH
TO THE DENSITY OF THE '' IS MAINTAINED. All CONCRETE
SURROUNDING SOIL ` � j SHALL BE 3000 PSI +� 28 GAYS.
I n
s. ' ,
I s>
:,o � •D
O
P ' � W
8" -CAST IN PLACE D� �
5" -PRECAST La j
STEPS m
SLOPE INVERT TO >. o OPT70NAL ,�:�
CENTER OF PIPE :D a
GROUT (NON -SHRINK)
SMOOTH FINISH 1:1 SLOPE w
>c P � 3
� .�
D 0
I
FLEXIBLE CONNECTOR / � <r
PER ASTM C-923 I w ,
(PRESS SE OR EQUAL) > ,p . e .• : .
8" ( 4' - O„
T'
6' — 6" Min.
7„
ALLOWED FOR ALL DEPTHS
STEP: 1 EXIST
TYPE
"B—B" INLET
TO—�I F VIEW
SIDE VIEW
EXIST •i' BEAM I
STEP; 2 NEW FRAME
E%I5T FRAME d: GRATE
k GRATE PROP DRIVE
;�d
Q NEW LOCATION
. G : � OF •1` BEAM
•d
. d
I — -_ d
,: d
TOP VIEW SIDE VIEW
1. AFTEfi REMONNG EXIST CURB. RAISE EXIST `I' BEAM TO GRADE AND RESET IXIST FRAMES.
2. REPLACE ExiST PLATES W77H GRATES.
3. AOD NEW FRAMES AND CRATES NIXT TO EXIST FRAMES.
4. BACKFILL INLET TO A POINT ONE FOOT BEHIND THE CURB WiH i SACK/TON CEMENT STABILRED SAND.
STEP: 3 CONSTRUCT NEW TYPE "B-8" INLET ON CURB RETURN OF PROPOSED DRIVEWAY
PROP SED
NOT ALLOWED
PLATE PUTE NEW LEA AVERAGE LOCATION Of 'B-8' INLET
COVER OF INLET TO BE SET FLUSH WITH CUTTER
LOCATION OF STORK SEVER LEAD
NEW "B-B` INLET
NEW STORM SEWER LEAD TO CONNECT EXIST
'B-B' INLET ANO NEW 'B-B' INLET. SIZE OF
NEW LEAD TO BE SAVE AS EXIST LEAD —
EXIST STORM
SEWER MANHOLE
NOTES:
I. THIS SOIL MAY BE USED ONLY FOR
DRY STABLE TRENCH CONDITIONS
PER STANDARD. SEE STANDARD
SPECIFICATION FOR ftEOUiREMENTS IN
OTHER CONDITIONS.
2 MIN TRENCH WtOTH SHALL BE PIPE
W PLVS AN ALLOWANCE `A`
FOR THE NOMINAL PIPE SIZE:
......... NOMINAL PIPE SIZE •A"
18` TO 30• 24"
ovER 30• 3e"
3. MAX TRENCH W101H SHALL NOT BE
GREATER 7HAN NIN TRENCH WIDTH
PLUS 24 INCHES, UNLESS OiHERYASE
NOTED.
4. ALTERNATIVE EMBEDMENT BACKFIU,
MATERIALS FOR FORCE MAINS MAY BE
A110WED. SEE LP STANDARD
BYMMETRIGAI. SPECIFICATIONS.
AeouT
HALF SECTION .�� HALF SECTION UNDER
UNDER PAVEMENT NATURAL GROUND
PAV7DAENT BASE AND
SVBGRADE'PER
SRTEET CUT DETNLS NANRAL GROUND
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TRENCH ZONE - i - � TRENCH ZONE PER
_ _ srwDARD
BASTANDARD � ;� •�,;� J�--Ji %� \liii SPECIFICATIONS
SPECIFICATIONS ' �,
. i2'
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fY MIN, '.' ( '.� 12` MIN.
�'�'� _ SPRING LINE
p
HAUNCHMG
CEMENT-STABIL2E0
SANG EMBEDMENT
(SEE NOTE 4)
........
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\ \
TRENCH WIDTH _
SEE NOTES 3 & 4
TYPICAL CROSS-SECTION
__
2007-4401
DESIGN
L/�,�.�.� ENGINEERING
COMMERCIAL
RESIDENTIAL
INSPECTIONS
CARNES ENGINEERING, INC.
128051.H. 10 EAST
EAYTOV!R�l, TEXAS ?7524
(281) 385-1200 (281) 385-0920 FAX
CARENG.NET
W WJV.CARNESENGINEERING.COM
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BENCHMARK:
DRAWN BY: RLA DATE: 05-i0-07
SCALE: AS NOTED CHECKED BY: S.C.
REVISED BY: DATE:
ENGINEER: D. SPENCER CARNES, P.E.
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12" MIN. LAP -
SLOPE REINF. BARS
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® 18 C-C
LONGITUDINAL
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(STRUCTURAL BACKFILL)
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SECTIONAL VIEW
3: 1 SIDE SCOPE
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TOP OF MAINTENANCE BERM EL 7.5'
�� BTM OF BASIN EL 1.5'
PROP 5" SLOPE PAVING 8'X24'
A SECTION THROUGH BASIN WALL
NOT TO SCALE
3-#4 BARS AT 6" C-C AS SHOWN
ON EACH SIDE OF PIPE I `TOE OF
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HORIZONTALLY
PLAN VIEW
N �"S
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PERIMETER OF
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1. THIS PROPERTY IS NOT WITHIN THE 100 YEAR SPECIAL
AREA AS INDICATED BY F.E.M.A. COMMUNITY N0. 485487,
N0. PANEL 0945J DATED NOVEMBER 06, 1996. ZONE X = C.
2. ALL BEARINGS AND COORDINATES ARE REFERENCED TO THE TEXAS STATE
TEXAS STATE PLANE COORDINATE SYSTEM, SOUTH CENTRAL ZONE
- USC & GS NORTH AMERICAN DATUM OF 1927. THE CITY OF LA PORTE
SURVEY MARKERS L P S M. N0. 33 AND L.P.S.M. N0. 35 ARE USED FOR
BASIS OF BEARINGS. � '
3. GRADE AND CONTOUR LINE ELEVATIONS ARE BASED ON THE CITY OF LA PORTE
SURVEY MARKER L.P.S.M. N0. 33, ELEVATION = 14.13 FEET, NGS SEA LEVEL
DATUM OF 1929, 1978 ADJUSTMENT. CONTOURS SHOWN AT ONE FOOT INTERVALS.
4. THE ENTIRE ALLEYS OF BLOCK 1135, BLOCK 1136, AND BLOCK 1137 AND
THE PORTION OF 14TH STREET RIGHT-OF-WAY BETWEEN BLOCK 1136 AND
BLOCK 1137 ALL IN THE TOWN OF LA PORTE, HARRIS COUNTY, TEXAS
ARE PERMANENTLY VACATED, ABANDONED AND CLOSED BY ORDINANCE
2400-2800, THE CITY OF LA PORTE, TEXAS.
DRAINAGE AREA INFORMATION
DRAINAGE AREA 1135,657 SF = 3.11 AC A
DRAINAGE AREA 3 135,�25 SF = 3.100 AC Q��P Q
DRAINAGE AREA 4 133 952 SF = 3.07 AC F���
TOTAL DRAINAGE AREA = 12.35 AC
100 YEAR EVENT
1761
TC = 10 (A)� + 10 MIN
A = 12.35 ACRES
TC = 10 (12.35)�1761+ 10 MIN = 25.56 MIN
= 125.4/(25.56+21.8)
= 6.94 IN/HR
Q100 = (C)(I)(A)
Q100 = (0.85)(6.94)(12.35)= 72.85 C.F.S.
STORM SEWER 3 YEAR EVENT
= 3.73 IN/HR
Q3 = (085)(3.�3)(12.35)= 39.15 -C.F.S.
V=6FT/SEC 24"= DA1 & 2 - 3YEAR-19.58 CFS
V=6FT/SEC 36"= DA1, 2, 1 /2(DA3 8c 4) - 29.36 CFS
V=6FT/SEC 48"= DA1, 2, 3, 4 - 39.15 CFS +
ADD FROM 100 YEAR EVENT = 72.85 CFS
DESIGN
L/�/�.�� ENGINEERING
COMMERCIAL
RESIDENTIAL
INSPECTIONS
CARNES ENGINEERING, INC.
728051.H. 10 EAST
sAvrowN, TEXAs n52o
(287) 385-1200 (281) 3@5-0820 FAX
CARENO.NET
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BENCHMARK:
DRAWN BY: RLA DATE: 05-10-07
SCALE: AS NOTED ,CHECKED BY: S.C.
REVISED BY: DATE:
ENGINEER: D. SPENCER CARNES, P.E.
SEAL
#:•' ••.i
:t; '1
.....................
D.S.CARNES, JR.
...............................
'� `',. 46041
2007-4401- DRAWING NUMBER
5 of 5