HomeMy WebLinkAbout83-1793 - Pre Development Drainage PlanTOTAL AREA = 62,089 SQ. FT. a
IMPERVIOUS AREA = 31,148 SQ. FT.
PERVIOUS AREA = 30,941 SQ. FT.
FLOW LENGTH = 352 FT
RAINFALL INTENSITY = 3.7 IN/HR
APPROX. WETLAND LINE
EXISTING CHA'.N
LINK FENCE
mow"
APPROX. PROPERTY BOUNDARY
L a 0
IN
/ Y} lh
3 v i..
o /% ' % FLAGGED WETLAND LINE
i COQ VNS (Ty,'
0
F,°I'ROX LOCA. W)N
OF GAS MAIN
NVEYT - 8.0
rV _
—� ,
V
777777"j/
i \
BUILDING 'E"
1
\ !/ LO. F. EL.=16.48 I
X
—J
G
"* I
92 /
F�
GRAPHIC SCALE
TOTAL AREA = 11,390 SQ. FT.
IMPERVIOUS AREA �= 7,744 SQ. FT.
PERVIOUS AREA =i 3,650 S�. FT.
FLOW LENGTH = 1;40 FT I
RAINFALL INTENSITY =15.5,11N/HR
i
1
( IN FEET )
I inch = 20 fL
0
V
0
d
LE_
PRE -DEV. SUBCATCHMENT AREA
— --
RUNOFF FLOW PATH
—D— —
EXIST. DRAIN LINE
_ —E— —
EXIST. ELECTRICAL LINES
FA
EXIST. FIRE ALARM
— G — —
EXIST. GAS LINE
T
EXIST. TELEPHONE
i�
EXIST. TELEVISION
S
MJ
- - ` - - -
EXIST. SEWER VENT LINE
—w— —
EXIST. WATER LINE
- - -
EXIST. CONTOUR
--- °
EXIST. CHAIN LINK FENCE
EXIST. CURB
EXIST. EDGE OF PAVEMENT
APPROX. PROPERTY BOUNDARY
—�
FLAGGED WETLAND BOUNDARY
— —
100' WETLAND BUFFER LINE
°
EXIST. BOLLARD
EXIST. BUILDING
EXIST. CATCH BASIN
EXIST. DOWNSPOUT
EXIST. LIGHT POLE
EXIST. HYDRANT
EXIST. ROADWAY PAVEMENT
EXIST. SEPTIC TANK OR PUMP CHAMBER
EXIST. SIGN
EXIST. SHRUB/HEDGES
J
EXIST. TREE OR BUSH
EXIST. UTILITY POLE
FA
EXIST. VENT STACK
wv
EXIST. WATER SHUT OFF
'L
EXIST. WATER VALVE
r
I
�
°
i
j
I
is
a-
1
n
m
la
z:
ry
o
o
/
r
�cF s
W
fi?
/
SUBCATCHMENT AREA
&1
TOTAL AREA = 62,089 SQ. FT. a
IMPERVIOUS AREA = 31,148 SQ. FT.
PERVIOUS AREA = 30,941 SQ. FT.
FLOW LENGTH = 352 FT
RAINFALL INTENSITY = 3.7 IN/HR
APPROX. WETLAND LINE
EXISTING CHA'.N
LINK FENCE
mow"
APPROX. PROPERTY BOUNDARY
L a 0
IN
/ Y} lh
3 v i..
o /% ' % FLAGGED WETLAND LINE
i COQ VNS (Ty,'
0
F,°I'ROX LOCA. W)N
OF GAS MAIN
NVEYT - 8.0
rV _
—� ,
V
777777"j/
i \
BUILDING 'E"
1
\ !/ LO. F. EL.=16.48 I
X
—J
G
"* I
92 /
F�
GRAPHIC SCALE
TOTAL AREA = 11,390 SQ. FT.
IMPERVIOUS AREA �= 7,744 SQ. FT.
PERVIOUS AREA =i 3,650 S�. FT.
FLOW LENGTH = 1;40 FT I
RAINFALL INTENSITY =15.5,11N/HR
i
1
( IN FEET )
I inch = 20 fL
0
V
0
d
LE_
YARMOUTH HOUSING AUTHORITY
SOUTH YARMOUTH, MASSACHUSETTS
DHCD PROJECT NO. 351012
LONG POND PLAZA
PRE—DEVELOPMENT DRAINAGE PLAN
4 GCG ASSOCIATES, INC.
WILMINGTON MASSACHUSETTS
SCALE: 1 "=20' DATE: JUNE 6, 2007
JOB N0.\FILE NAME: DESIGNED BY: MJC PLAN NO.
0638—RAT—PRE DRAWN BY: HMC
&Ao/o7 CHECKED BY: MJC 1 of 1
PRE -DEV. SUBCATCHMENT AREA
— --
RUNOFF FLOW PATH
—D— —
EXIST. DRAIN LINE
_ —E— —
EXIST. ELECTRICAL LINES
FA
EXIST. FIRE ALARM
— G — —
EXIST. GAS LINE
T
EXIST. TELEPHONE
ry
EXIST. TELEVISION
S
EXIST. SEWER LINE
- - ` - - -
EXIST. SEWER VENT LINE
—w— —
EXIST. WATER LINE
- - -
EXIST. CONTOUR
--- °
EXIST. CHAIN LINK FENCE
EXIST. CURB
EXIST. EDGE OF PAVEMENT
APPROX. PROPERTY BOUNDARY
—�
FLAGGED WETLAND BOUNDARY
— —
100' WETLAND BUFFER LINE
°
EXIST. BOLLARD
EXIST. BUILDING
EXIST. CATCH BASIN
EXIST. DOWNSPOUT
EXIST. LIGHT POLE
EXIST. HYDRANT
EXIST. ROADWAY PAVEMENT
EXIST. SEPTIC TANK OR PUMP CHAMBER
EXIST. SIGN
EXIST. SHRUB/HEDGES
�'-
EXIST. TREE OR BUSH
EXIST. UTILITY POLE
°
EXIST. VENT STACK
wv
EXIST. WATER SHUT OFF
x
EXIST. WATER VALVE
YARMOUTH HOUSING AUTHORITY
SOUTH YARMOUTH, MASSACHUSETTS
DHCD PROJECT NO. 351012
LONG POND PLAZA
PRE—DEVELOPMENT DRAINAGE PLAN
4 GCG ASSOCIATES, INC.
WILMINGTON MASSACHUSETTS
SCALE: 1 "=20' DATE: JUNE 6, 2007
JOB N0.\FILE NAME: DESIGNED BY: MJC PLAN NO.
0638—RAT—PRE DRAWN BY: HMC
&Ao/o7 CHECKED BY: MJC 1 of 1