Cities Index.
ATCH 3 - Preliminary Grading Plan and Sections

Napa City Council
September 2, 2025

Document
ATCH 3 - Preliminary Grading Plan and Sections
Meeting
September 2, 2025
Body
Napa City Council
Pages
3
Original file
2.2 MB
Text extracted from the city's file for reading and search. Open the original on napacity.legistar1.com. That file is the official record.

WPB
SD SD
WPB
SL
PGESL
W
W
PGE
PG&E
SL

APPROXIMATE LIMIT OF

LANDFILL CAP

PROTECT IN PLACE

PROTECT IN PLACE

PROTECT IN PLACE,

ENCASE MONITOR
WELL PER DETAIL 8/6.0

REMOVE EXISTING RIP RAP AND STOCKPILE

ONSITE FOR REUSE
4 4.1
REMOVAL 4122 SF,
153 CY
REMOVAL 213 SF

2.8 CY
REMOVAL 2,923 SF
108 CY
REMOVAL 137 SF

1.7 CY
REMOVAL 2316 SF,
57 CY
REMOVAL 101 SF, 1.25 CY
REMOVAL 87 SF,

1.1 CY
REMOVAL 982 SF, 37 CY
REMOVAL 1,090 SF, 33.7 CY
REMOVAL 154 SF
2 CY
REMOVAL 563 SF

17.4 CY

REMOVAL
746 SF
26 CY
REMOVAL 549 SF

20.3 CY
REMOVAL 2,236 SF
14 CY
REMOVAL 1,360 SF
42 CY
REMOVAL 327 SF

11.2 CY
HORIZONTAL AND VERTICAL CONTROL: MAG

NAIL SET IN CURB ON PASCALE PLACE AT
NORTHING 1870374.71 AND EASTING 6484988.00
AT ELEVATION 104.76

HORIZONTAL AND VERTICAL
CONTROL: MAG NAIL SET IN
ROCK AT NORTHING 1870304.73
AND EASTING 6485232.28 AT
ELEVATION 138.89
CONTROL POINT #2

HORIZONTAL AND VERTICAL
CONTROL: 3/4" IRON PIPE

WITH RED CONTROL CAP AT
NORTHING 1870491.19 AND
EASTING 6485175.66 AT
ELEVATION 136.65
EXISTING 4" PVC DRAIN LINE ENCASED
IN CONCRETE, PROTECT IN PLACE.

EXISTING 4" PVC PERFORATED DRAIN LINE IN POLYETHYLENE LINED

GRAVEL TRENCH AT EDGE OF LANDFILL CAP, PROTECT IN PLACE

FL MATCH (E)
105.25
TC 105.70
BVC 105.65 TC MATCH (E)
107.98
REMOVAL 79 SF,
1 CY
REMOVAL 1126 SF,
13 CY
REMOVAL 458 SF,
32 CY
REMOVAL 1190 SF

7.3 CY
127
126
125
141
142
143
144
145
146
147
148
133
131
130
129
128
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
108107
131
128
132 133
135
134
140139
138
137
136
127
132
130
129
128
134
1 4.1
2 4.1
3 4.1
T:\Projects\2017 Projects\17058_HiddenGlenPark\3_ConstructionDocuments\A17058_WE.dwg NO.

REVISIONS

DESCRIPTION
DESCRIPTION:

ELEV.

BENCH MARK

DATE BY
HORIZ.

SCALE
24 HIDDEN GLEN DUMP REMEDIATIONDRAWN BY:

DESIGNED BY:

CHECKED BY:

BS
MR
DATE
DATE
DATE
SHEET NO.

DRAWING NO.

CAD FILE:

DATE:

OF
VERT.

RH/OP 4/11/25
APRIL 11, 2025
4/11/25
4/11/25
WASTE EXCAVATION PLAN:

SOIL WITH WASTE REMOVAL (<10")
SOIL WITH WASTE REMOVAL (10"-20")
SOIL WITH WASTE REMOVAL (21"-30")
RELOCATED SOIL WITH WASTE:

SECTION CUT
EXISTING CONTOUR: 1'-0" INTERVAL TYP.

PROPOSED CONTOUR FOR SOIL WITH WASTE MOUND: 1'-0" INTERVAL TYP.

PROPOSED SPOT ELEVATION (EXISTING SPOT ELEVATIONS ARE SCREENED ON PLAN)

DIRECTION AND PERCENT SLOPE OF SHEET DRAINAGE

GRADE BREAK

FLUSH CONDITION

CONTROL POINT

HIGH POINT

TOP OF CURB

BOTTOM OF CURB

TOP OF WALL

BOTTOM OF WALL

TOP OF RAMP

BOTTOM OF RAMP

RIM ELEVATION OF DRAIN INLET, SEE WALL AND DRAINAGE PLAN VERTICAL CURVE PER CHP HIGHWAY DESIGN MANUAL SECTION 200-24

BEGINNING OF VERTICAL CURVE

END OF VERTICAL CURVE

GRADE BREAK
X%
GB
HP
TC
BC
TW
BW
TR
BR
RIM
VC
BVC
EVC
GB

21.25 22
X
XX

4.0 A17058_WE.dwg
0 feet20
1" = 20'
40 NORTH
22 ALL WASTE FIGURE 3
LOT 8
LOT 7
CONTROL POINT #3
LOT 6
LOT 5
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Page 1 of 3 ends

ATTACHMENT 3
RELOCATED SOIL WITH WASTE (TOTAL STOCKPILE DEBRIS = 2,753 CY)

SECTION CUT
EXISTING CONTOUR: 1'-0" INTERVAL TYP.

PROPOSED CONTOUR: 1'-0" INTERVAL TYP.

X
XX
XX
127
126
125
129127
132133
134
132
130
129
128
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
108107
125
126
131
128
130
131
HZ2
HZ2
HZ1

PASCALE PLACE
SD
SD
PGE
PG&E
SL
132
133
134
135
136
125
125
126
128
129
130
HP131.5
HP126.5

LP DRAIN
RIM 125.28
HP131.5
134
130
131
131
133
130
137
137
138
139
140
141
142
143
144
145
146
147
148
149
150
136
135
134
TEMPORARY ACCESS ROAD FOR CONSTRUCTION.

TO BE REMOVED AND GRADED TO BLEND IN WITH
ADJACENT GRADES.

T:\Projects\2017 Projects\17058_HiddenGlenPark\3_ConstructionDocuments\CutFill\A17058_GD_Accept all Debris_250404.dwg NO.

REVISIONS

DESCRIPTION
DESCRIPTION:

ELEV.

BENCH MARK

DATE BY
HORIZ.

SCALE
24 HIDDEN GLEN DUMP REMEDIATIONDRAWN BY:

DESIGNED BY:

CHECKED BY:

BS
MR
DATE
DATE
DATE
SHEET NO.

DRAWING NO.

CAD FILE:

DATE:

OF
VERT.

RH/OP 4/11/25
APRIL 11, 2025
4/11/25
4/11/25
10 5.0
A17058_GD_Accept all
Debris_250404.dwg
0 feet20
1" = 20'
40 NORTH
GRADING PLAN: ALL WASTE
FIGURE 4
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Page 2 of 3 ends

ATTACHMENT 3
LOT 12
130'
140'
135'
145'
125'
150'
155'
120'
115'
0' 5'-5'-10'-20' -15'-25' -30'-40' -35'-45' -50'-60' -55'-65' -70'-80' -75'-85' -90'-100' -95'-105'-110'-120' -115'-125'-130'-140' -135'-145'-150'-160' -155'-165'-170'-180' -175'-185'-190'-200' -195'-205'-210'-220' -215'-225'-230'

APPROXIMATE LIMIT OF LANDFILL CAP PROPERTY LINE
EX. GEOCOMPOSITE DRAINAGE NET &

POLYETHYLENE MEMBRANE
EX. GRADE
EX. TOP SOIL
EX. WASTE
EX. FOUNDATION FILL (18" MIN.) SOIL WITH WASTE FILL, SEE

WASTE EXCAVATION PLAN
135'
145'
140'
150'
130'
155'
LOT 6
125'
120'
230' 235'225' 220'210' 215'205' 200'190' 195'185'180'170' 175'165' 160'150' 155'145' 140'130' 135'125' 120'110' 115'105' 100'90' 95'85' 80'70'65' 60'55'45' 50'40' 35'25' 30'20'15'5' 10'0' 240' 245' 250' 255' 260' 265' 270' 275' 280' 290' 295'285' 300' 305' 310' 315' 320'

LIMIT OF WORK
325'

APPROXIMATE LIMIT

OF LANDFILL CAPPROPERTY LINE
EX. FENCE EX. BEDROCK
2% MIN SLOPE EX. GEOCOMPOSITE DRAINAGE

NET & POLYETHYLENE MEMBRANE

SOIL WITH WASTE FILL, SEE

WASTE EXCAVATION PLAN
2% MIN SLOPE2'-0" MIN. OF SOIL CAP
EX. GRADE
EX. TOP SOIL
EX. FOUNDATION FILL
(18" MIN.)
EX. WASTE

APPROXIMATE LIMIT OF

LANDFILL CAP
330'
130'
140'
135'
145'
125'
150'
120'
115
145' 140'130' 135'125' 120'110' 115'105' 100'90' 95'85' 80'70' 65' 60'55'45' 50'40' 35'25' 30'20'15'5' 10'0'-5' 75' 75'

LIMIT OF WORK

APPROXIMATE LIMIT OF

LANDFILL CAP
EX. BEDROCK
2% MIN SLOPE
2% MIN SLOPE
2'-0" MIN. OF SOIL CAP

SOIL WITH WASTE FILL, SEE

WASTE EXCAVATION PLAN
EX. GEOCOMPOSITE DRAINAGE

NET & POLYETHYLENE MEMBRANE
EX. WASTE
EX. FOUNDATION FILL (18" MIN.)
EX. TOP SOIL
EX. GRADE

APPROXIMATE LIMIT OF

LANDFILL CAP

PROPERTY LINE
EX. FENCE
EX. BEDROCK
EX. BEDROCK
160'
135'
145'
140'
150'
130'
155'
LOT 6
125'
120'
160'
TEMP. CONST. ROAD
1'-0"
MIN.
2'-0"
MIN.
2% MIN.

SLOPE
1'-0" MIN.
2'-0" MIN. OF SOIL CAP

SOIL WITH WASTE FILL, SEE

WASTE EXCAVATION PLAN
2'-0" MIN. OF SOIL CAP
1'-0" MIN.
11 T:\Projects\2017 Projects\17058_HiddenGlenPark\3_ConstructionDocuments\CutFill\A17058_GD_Accept all Debris_250404.dwg NO.

REVISIONS

DESCRIPTION
DESCRIPTION:

ELEV.

BENCH MARK

DATE BY
HORIZ.

SCALE
24 HIDDEN GLEN DUMP REMEDIATIONDRAWN BY:

DESIGNED BY:

CHECKED BY:

BS
MR
DATE
DATE
DATE
SHEET NO.

DRAWING NO.

CAD FILE:

DATE:

OF
VERT.

RH/OP 4/11/25
APRIL 11, 2025
4/11/25
4/11/25

5.1 A17058_GD_Accept all
Debris_250404.dwg
GRADING SECTIONS: ALL WASTE
FIGURE 5
-
C)
SECTION 1 - GRADf..lG
SECTION ~TICAL SCALE: 1"-10' HOFIZONTAL SCALE: 1"-10'
(9
SECTION 2 - GRADt.lG
SECTION ~TICAL SCALE: 1"-10' HOFIZONTAL SCALE: 1"-10'
SECTION 3 - GRADf..lG
SECTION ~TICAL SCALE: 1"-10' HOFIZONTAL SCALE: 1"-10'
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SECTION 1 - GRADING
SECTlON VERTICAL SCALE: 1"-10' HORIZONTAL SCALE: 1'-10' ;
1 -.··rr:~
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Page 3 of 3 ends

ATTACHMENT 3

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