CC 10-18-2022 Item No. 16. 20860 McClellan Road - Updating Grading Plan - C3-Grading Drainage_Desk ItemCC 10-18-2022
#16
20860 McClellan Road
Development
Updating Grading Plan -
C3-Grading Drainage
Desk Item
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SD
SD
SD
SD
SD
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SD
SD
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SD
SD
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SD
SD
SD
SD
SD
SD SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD SD SD SD SDSDSD SDSD
SD
FF 279.35
Pad 278.52
FF 279.80
Pad 278.97 FF 280.20
Pad 279.37
FF 280.60
Pad 279.77
Cherryland Drive (private Street)
Mc
C
l
e
l
l
a
n
R
o
a
d
Bonny Drive
(2
5
'
)
(1
0
.
5
'
)
(2
0
'
)
20
.
5
'
5'
(5
'
)
(±
8
)
'
(278.77)(279.26)(279.54)(279.77)(280.10)(280.38)(280.54)
(281.45)(281.68)
(277.20)
(276.38)
(276.04)(276.41)
Pad 279.77
FF 280.60
(0.20'+0.67')
FF=HP Swale +
10" Slab Section
(2
8
1
)
(2
8
0
)
(
2
8
0
)
(
2
8
1
)
(
2
7
9
)
(
2
7
7
)
(
2
7
8
)
(278)
(2
7
8
)
(2
7
9
)
(2
8
0
)
(280)
(279
)
(2
7
9
)
(277)
(2
7
8
)
(27
9
)
(279)
(281)
(
2
8
2
)
(27
8
)
280.16
tc
279.72
fl
279.76
lip
280.90
tc @ dwy
280.45
fl
280.51
lip
281.12
tc @ dwy
280.97
lip
280.92
fl
281.84
tc @ dwy
tc @ ci
281.38
fl
279.09
tc @ dwy
278.64
fl
278.68
lip
278.27
lip
278.14
lip 278.02
fl
278.59
tc@ci, Inv271.44
277.05
tc@ci, Inv272.75
277.38
tc bc
277.05
lip
276.95
pavers
277.10
lip276.96
fl
276.96
lip
276.89
fl
276.71
fl277.17
tc poc
276.72
lip
276.70
tc
276.23
fl
276.29
lip
276.61
tc
276.14
fl
276.20
lip
277.35
hcr
278.12
fl 278.16
lip
276.99
pavers
277.47
tc
277.48
tc
276.97
pavers
277.73
tc @ dwy
277.67
tc @ dwy
277.23
pavers
277.16
pavers277.68
tc
277.75
tc
277.14
pavers
277.15
pavers
277.64
tc
277.66
tc @ end
277.66
brc
277.16
fl
277.16
lip
277.31
lip
277.72
brc
277.39
fl
277.44
fl
277.37
lip
277.79
brc
277.77
brc
277.82
tc
277.36
fl
277.36
lip 277.26
pavers
277.77
tc
277.12
pavers
277.75
tc
(20')
(30')
S1 S1
S2
S2
HP F
l
2
7
8
.
2
5
TW2
7
9
.
0
0
TW2
7
8
.
1
0
FF 279.15
Pad 278.27
MOFG 278.43
Fl27
8
.
0
0
Fl27
8
.
0
0
Fl27
8
.
0
0
hp F
l
2
7
8
.
2
5
Fl27
8
.
0
0
hp2
7
8
.
2
5
TW2
7
9
.
0
0
TW2
7
8
.
5
0
(278.51)
FF 279.43
Pad 278.60
Fl27
8
.
2
2
HP F
l
2
7
8
.
5
6
Fl27
8
.
2
2
(279.04)
(6"
W
a
l
l
)
(7"
W
a
l
l
)
(12
"
W
a
l
l
)
TW2
7
9
.
0
0
(16
"
W
a
l
l
)
(21
"
W
a
l
l
)
(21
"
W
a
l
l
)
(21
"
W
a
l
l
)
(E)FF 278.12±
(E)FF 276.78±
(E)FF 278.65±
Lot 1Lot 2Lot 3Lot 4Lot 5Lot 6
Tree
±
6
'
Min 6"-Max 21"
CMU Retaining Wall
@ Property Line
Max 21" CMU
Retaining Wall
@ Property Line
Typical
Bio-Retention Basin
Max. 9" Ponding
Ty
p
.
L
o
t
S
w
a
l
e
Ty
p
.
L
o
t
S
w
a
l
e
Typ. Lot Swale
Typ Roof Leader
Splash Block
-1
.
4
%
Bio-Soil Top Elev 276.90
TW2
7
7
.
7
5
Fl27
8
.
0
0
Fl27
7
.
1
4
H
P
F
l
2
7
8
.
4
7
Fl27
7
.
5
8
HP F
l
2
7
8
.
9
2
Fl27
7
.
9
3
H
P
F
l
2
7
9
.
3
2
H
P
F
l
2
7
9
.
7
2
Fl27
8
.
4
0
(E) CI
to be Replaced
with a Manhole
RIM 279.44
CI
Grate 278.77
INV 274.29, 15"∅Out
SDMH
RIM 278.13
With 3"Ø Orifice Plate on 10"Ø Pipe
INV 273.34, 10"∅In
INV 273.01, 15"∅In
INV 271.44, 15"∅In
INV 271.44, 15"∅Out
(E) CI
RIM 276.55
INV 272.75, 15"∅Out
CI
Grate 276.54
INV 272.47, 12"∅Out
(E)SDMH
RIM 278.46
INV 271.00, 15"∅In
INV 267.16, 30"∅Out
30' - 15"Ø RCP @ S=4.31%
(E) 15"Ø SD @ S=2.61%
(E) 15"Ø SD @ S=1.47%
TW2
7
8
.
1
0
Overflow
Overflow
OverflowOverflow Overflow Overflow
190'-24"Ø Perforated HDPE
wrapped in 12" drain rock
Total Vol = 1,698cf
Bio-Soil Top Elev 276.39 Bio-Soil Top Elev 276.39 Bio-Soil Top Elev 277.18 Bio-Soil Top Elev 277.65
Grate 278.05
Inv276.05±
Grate 277.75±
Inv276.65±
Grate 277.05
Inv275.85±
52' - 10"Ø C900@ S=0.50%
105' - 10"Ø C900@ S=0.38%
SDMH
Rim 276.93
Inv 274.00', 10" Ø (In)
Inv 269.26', 24" Ø (Out)
4' - 12"Ø HDP@ S=11.72%
CI
Rim 276.72
Inv 272.70', 12" Ø (Out)
SDMH
Rim 276.83
Inv 269.26', 24" Ø (In)
Inv 272.30', 12" Ø (In)
Inv 273.60', 10" Ø (Out)
-0.25%
-1.25%
GbTc277.70Tc277.29HPTc277.44LPTc277.04
GbTc276.96
PRC GbTc277.08
Tc277.38
-0.25%
GbTc278.93
-3
.
1
%
-4
.
3
%
-0.25%0.67%
(E)Fl278.64
-2
.
1
7
%
-1
.
6
5
%
Conform
(e
)
2
.
1
%
3.
5
6
%
GbTc277.42
LPTc277.23
GbTc277.00
-0.25%
4'P.S.D.E.
4'
P
.
S
.
D
.
E
.
Bio-Soil Top
Elev 277.25
S3
S3
12"DI
Rim 277.00
Inv 274.40', 10" Ø (Out)
PL-1PL-4
PL-5
PL-6
PL-3 PL-2
ADU
ADU
ADU
ADU ADU ADU
1
1
1
PROFILE: Grading Section S1
SCALE H: 1"=20'SCALE V: 1"=5'
277
278
279
280
281
282
277
278
279
280
281
282
0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 4+32
Pad278.27 Pad278.60 Pad278.52 Pad278.97 Pad279.37 Pad279.77
McClellan Road
(30' R/W)
(E)Pad279.0±
Ex
t
e
r
i
o
r
B
o
u
n
d
a
r
y
Avg. 12" High
(Max 21")
CMU Retaining Wall
@ Property Line
Lot 6 Lot 5 Lot 4 Lot 3 Lot 2 Lot 1
Typical Bulkhead Retainer
at the bottom of Fence
as needed
@ Property Line
PROFILE: Grading Section S2
SCALE H: 1"=20'SCALE V: 1"=5'
275
276
277
278
279
280
281
275
276
277
278
279
280
281
0+50 1+00 1+50 2+00 2+09
Cherryland Drive
(Private Street)
Pad278.97
Parcel B
APN359-20-043
(E)FF 278.12±
Max. 2:1 Slope
with 12" Overbuild
Lot 3
FF279.80
Ex
t
e
r
i
o
r
B
o
u
n
d
a
r
y
1
1
PROFILE: Garding Section S3
SCALE H: 1"=20'SCALE V: 1"=5'
275
276
277
278
279
280
275
276
277
278
279
280
0+50 1+00 1+50 1+77
Tw278.10
Pad278.27
Lot 6
FF279.15
Max. 2:1 Slope
with 12" Overbuild
Ex
t
e
r
i
o
r
B
o
u
n
d
a
r
y
Ex
t
e
r
i
o
r
B
o
u
n
d
a
r
y
Parcel C
APN359-20-044
(E)FF 276.78±
Avg. 12" High
(Max 24")
CMU Retaining Wall
@ Property Line
1
1
1
Permeable Paver Street &
Onsite Driveway
Grasscrete Onsite Parking Space
PCC Sidewalk
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 320
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
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SHEET
221047
C3
5
Pr
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G
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2
0
2
2
1"
=
2
0
'
MF
HS
HARI N D E R SI
N
G
L
A
S
T
A TE OF CA L I F O R N IA
C49717
R
EGISTER E D P R O F ESSIONA
L
E
N
G
I
N
EER
±1
3
'
14
.
5
'
North
SCALE: 1"=20'
0 10 20 30 40
3.25" Vehicular
rated pavers
Scarify and compact
upper 12" of soil to 90%
relative maximum density
3/4" Clean crushed rock or
class II permeable base rock
wrapped in filter fabric
ASTM No. 8 bedding
course & paver filler
Typical Permeable Paver Section
Tensar BX100
Biaxial Geogrid
mi
n
.
1
2
"
mi
n
.
1
2
Not to Scale
Looking North
Existing Pervious
Pavement
sawcut line
Not to Scale
(E
)
P
L
2%
Permeable Pavers
on Bedding Course
and Stone Subbase
per the Soils Engineer
to match existing
Street Section
4'9"
P/
L
1.5-3.5%
Street Section-Cherryland Drive Widening
Curb & Gutter or full depth
Vertical Curb & Sidewalk
as shown on plan
CL
(±8')
20.5'
(10.5')
1.0-2.5%1.0-2.5%
(5')
(20')
14.5'
3"
5"PUE & LE
Hardscape Legend:
20
'
1 “Updated Elevations
10-18-22”