Hammond- PN140529 (3)EXISTING STORM PIPES
DETENTION
REGRADE DETENTION POND DRANAGE
PROVIDE EQUIVALENT VOLUME DITCH
OF EXISTING DETENTION POND
PROPOSED POND OUTFALL
1.25
8.5
EX FH
WAS—
r
PROPOSED ALLEY4
. --�-
.. —
ACE
GARAGE II GARII GARAGE t II GARAGE II GARAGE I GARAGE r GARAGE r GARAGE � GARAGE i GARAGE 'I GARAGE I' GARAGE (I GARAGE
GARAGEGARAGE GARAGE ,GARAGE
_
GARAGE
LOT 1
LOT 17E E
I
I I
GARAGE
PORCH LOT 2
LOT 16 I
I I LOT 1 LOT Y LOT 3 LOT 4 LOT 5 LOT 6 LOT 7 LOT 8 LOT 9 LOT 10 LOT I
I I LOT 11 12 LOT 13 LOT 14 LOT 15
LOT 1X
Z PORCH
F=.
I I PORCH PORCH .PORCH PORCH PORCH PORCH PORCH I
PORCH PORCH PORCH PORCH PORCH PORCH PORCH PORCH A
I I
EXISTING STORM PIPE
7.4
EX INLET EX STM MN l•
® EXISTING POND OUTFALL
TO BE ABANDONED
EX F-bia.-
HMOND STREET EXISTING STORM PIPE
EX INLET -...
EX INLET
EX INLET
— —
III
Q� i •
IJI jr
i 30 •0 •i
GRAPHIC SCALE
1"=30'
at 24"x36"
Flow Arrow
--
Existing Storm Sewer Line
tc
(min)
— Proposed Storm Sewer Line
1100
(in/hr)
Drainage Divide Line
0100
(C.f.s.)
Drainage Area Number
A
X.XX �--Acres
0.80
X. X
WS)
1.09
DRAINAGE AREA CHART
SHEETFLOW TO HAMMOND
RECEIVED
SEP 1;7.2014
PLANNING DEPART
D.A.
tc
(min)
C
1100
(in/hr)
A
(acres)
0100
(C.f.s.)
COMMENTS
A
10
0.80
8.5
1.09
7.4
SHEETFLOW TO HAMMOND
B
10
0.80
8.5
1.25
8.5
PROPOSED ALLEY INLET
THIS DOCUMENT IS RELEASED FOR THE PURPOSE
OF INTERIM REVIEW UNDER THE AUTHORITY OF
MATT KOSTIAL, P.E. NO. 88549 ON 07-01-14
IT IS NOT TO BE USED FOR CONSTRUCTION OR
BIDDING PURPOSES.
WINTMAI 1`111 Mill
2.4 acres
CITY OF COPPELL
DALLAS COUNTY, TEXAS
.NT ORACLE ENGINEERING
330 Fairfax Drive
Little Rock, Ar 72205
TELE (214) 226-5325
DESIGN DRAWN DATE SCALE CITY CASE # NO.
MPK MPK 06/14 1"=30' -- ��
at 24"x36"