HomeMy WebLinkAboutRegional Stormwater Facility - 2021LEGEND
RIGHT-OF-WAY / PROPERTY LINE
TEMPORARY EASEMENT
PERMANENT EASEMENT
EXISTING MINOR CONTOUR
EXISTING MAJOR CONTOUR
001-094-006
PACIFIC FUNDING
5+006+007+008+00
9+
0
0
10
+
0
0
11
+
0
0
12
+
0
0
13+00
14+00
PC: 12+44.32
PC: 7+39.42
PT: 5+35.06
PT: 12+61.57PT: 8+22.46N2° 02' 36"E204.36'S5
9
°
0
0
'
4
5
"
E
42
1
.
8
6
'
Δ=44°56'25"
R=45.00'
L=35.30'Δ=21°58'10"
R=45.00'
L=17.25'
Δ=118°56'39"
R=40.00'
L=83.04'
PR
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10'
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001-162-017
CITY OF PORT TOWNSEND 4+125+00BP: 4+1
2
.
0
4
PC: 4+99.77
P
T
:
4
+
4
7
.
6
7
0+001+002+003+004+004+12BP: 0+00.00
PI: 0+44.66
PC: 3+38.97
PT: 3+
6
1
.
8
2
EP: 4+1
2
.
0
4
N46° 59' 01"E
52.09'
Δ=34°01'29"
R=60.00'
L=35.63'
N12° 50' 30"E
50.21'N7° 38' 47"W44.66'N0° 45' 04"W294.31'Δ=16°22'13"
R=80.00'
L=22.86'
0+00.00
BEGIN 10' GRAVEL MAINTENENCE ROAD
N: 407059.33
E: 1157247.93
CENTERLINE
N
HORIZONTAL SCALE
0 40 80
1" = 40 FEET
20
1
2
3
4
TEL www.ahbl.comWEBTELwww.ahbl.comWEBTELwww.ahbl.comWEB
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
Know what's below.
before you dig.Call
R
253.383.2572 FAX
PORT TOWNSEND REGIONAL STORMWATER FACILITY
SECTIONS 9 & 16, TOWNSHIP 30N, RANGE 1W, W.M., JEFFERSON COUNTY, WA
CERB CONTRACT NO. 515-790AO-065
PORT TOWNSEND
REGIONAL
STORMWATER
FACILITY
CITY OF PORT TOWNSEND
250 MADISON STREET
PORT TOWNSEND, WA 98368
2160137
BID SET
03/19/2020
CHANGE ORDER 01
12/17/2020
CHANGE ORDER 04
04/21/2021
DO SK DG
17
WORK ORDER # 8028
CHANGE ORDER 02
03/19/2021
DATE: March 19, 2021 FILENAME: Q:\2016\2160137\10_CIV\CAD\2160137-SH-HZ CONTROL- 22X34.dwg
HORIZONTAL
CONTROL AND
ACCESS PLAN
2
C0.02
MATCHLINE SEE RIGHT
MATCHLINE SEE LEFT MATCHLINE SEE C0.03
S1° 47' 38"W405.97'15+00
16+00
17+00
18+00
19+00
20+0
0
20+3
5
EP: 20+35.25PI: 15+90.55PI: 19+59.58PI: 18+75.88S80° 58' 55
"
E
328.98'
S87° 57' 21"E
83.70'
N60° 19' 49"E
75.67'
S76° 24
'
1
3
"
E
285.32'
20+35.25
END 10' GRAVEL MAINTENENCE ROAD
N: 407496.54
E: 1158519.39
CENTERLINEEXISTING CITY DRAINAGE EASEMENTCONTRACTOR
STAGING/STOCKPILE AREA
CONTRACTOR ACCESS FROM EVANS
VISTA. RESTORE EVANS VISTA CURB,
GUTTER, SIDEWALK, AND ASPHALT
PAVEMENT TO PRE-CONSTRUCTION
CONDITION AT PROJECT COMPLETION.
SIDEWALK SOUTH OF EVANS VISTA TO
BE REMOVED PER SHEET C1.01.
RESTORE EX. GRAVEL
ROAD AT PROJECT
COMPLETION W/MIN. 4"
GRAVEL CSTC
TEMP
O
R
A
R
Y
C
O
N
S
T
R
U
C
T
I
O
N
30' EA
S
E
M
E
N
T
TEMPO
R
A
R
Y
C
O
N
S
T
R
U
C
T
I
O
N
10' EAS
E
M
E
N
T
N
HORIZONTAL SCALE
0 40 80
1" = 40 FEET
20
1
2
3
4
TEL www.ahbl.comWEBTELwww.ahbl.comWEBTELwww.ahbl.comWEB
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
Know what's below.
before you dig.Call
R
253.383.2572 FAX
PORT TOWNSEND REGIONAL STORMWATER FACILITY
SECTIONS 9 & 16, TOWNSHIP 30N, RANGE 1W, W.M., JEFFERSON COUNTY, WA
CERB CONTRACT NO. 515-790AO-065
PORT TOWNSEND
REGIONAL
STORMWATER
FACILITY
CITY OF PORT TOWNSEND
250 MADISON STREET
PORT TOWNSEND, WA 98368
2160137
BID SET
03/19/2020
CHANGE ORDER 01
12/17/2020
CHANGE ORDER 04
04/21/2021
DO SK DG
17
WORK ORDER # 8028
CHANGE ORDER 02
03/19/2021
DATE: March 19, 2021 FILENAME: Q:\2016\2160137\10_CIV\CAD\2160137-SH-HZ CONTROL- 22X34.dwg
HORIZONTAL
CONTROL AND
ACCESS PLAN
3
C0.03MATCHLINE SEE C0.02
LEGEND
RIGHT-OF-WAY / PROPERTY LINE
TEMPORARY EASEMENT
PERMANENT EASEMENT
CLEARING / PROJECT LIMITS
SILT FENCE
EXISTING MINOR CONTOUR
EXISTING MAJOR CONTOUR
CONSTRUCTION ENTRANCE 2
C1.10
1
C1.10
CL
SF
CE
001-094-006
PACIFIC FUNDING
SF
CL
M
I
L
L
R
O
A
D
001-162-017
CITY OF PORT TOWNSEND
CL
CE
SF
CLEARING NOTE
CLEARING/PROJECT LIMITS AND LOCATION OF SILT FENCE SHOWN IS APPROXIMATE.
EXTENT OF CLEARING /PROJECT LIMITS AND EXACT LOCATION OF SILT FENCE TO BE
DETERMINED BY CONTRACTOR BASED ON PROPOSED CONSTRUCTION METHODS, BUT
SHALL NOT CROSS THE TEMPORARY EASEMENTS DEPICTED HEREON WITHOUT WRITTEN
APPROVAL FROM THE ENGINEER. PAYMENT FOR CLEARING AND GRUBBING SHALL NOT
EXCEED BID QUANTITY.
N
HORIZONTAL SCALE
0 40 80
1" = 40 FEET
20
1
2
3
4
TEL www.ahbl.comWEBTELwww.ahbl.comWEBTELwww.ahbl.comWEB
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
Know what's below.
before you dig.Call
R
253.383.2572 FAX
PORT TOWNSEND REGIONAL STORMWATER FACILITY
SECTIONS 9 & 16, TOWNSHIP 30N, RANGE 1W, W.M., JEFFERSON COUNTY, WA
CERB CONTRACT NO. 515-790AO-065
PORT TOWNSEND
REGIONAL
STORMWATER
FACILITY
CITY OF PORT TOWNSEND
250 MADISON STREET
PORT TOWNSEND, WA 98368
2160137
BID SET
03/19/2020
CHANGE ORDER 01
12/17/2020
CHANGE ORDER 04
04/21/2021
DO SK DG
17
WORK ORDER # 8028
CHANGE ORDER 02
03/19/2021
DATE: March 19, 2021 FILENAME: Q:\2016\2160137\10_CIV\CAD\2160137-SH-TESC-DEMO- 22X34.dwg
TESC AND
DEMOLITION PLAN
4
C1.00
MATCHLINE SEE RIGHT
MATCHLINE SEE LEFT MATCHLINE SEE C1.01
S1° 47' 38"W405.97'SF
REMOVE BROKEN
CONCRETE SIDEWALK
SOUTH OF EVANS VISTA
LEGEND
RIGHT-OF-WAY / PROPERTY LINE
TEMPORARY EASEMENT
PERMANENT EASEMENT
CLEARING / PROJECT LIMITS
SILT FENCE
EXISTING MINOR CONTOUR
EXISTING MAJOR CONTOUR
CONSTRUCTION ENTRANCE 2
C1.10
1
C1.10
CL
SF
CE
CLEARING NOTE
CLEARING/PROJECT LIMITS AND LOCATION OF SILT FENCE SHOWN IS APPROXIMATE.
EXTENT OF CLEARING /PROJECT LIMITS AND EXACT LOCATION OF SILT FENCE TO BE
DETERMINED BY CONTRACTOR BASED ON PROPOSED CONSTRUCTION METHODS, BUT
SHALL NOT CROSS THE TEMPORARY EASEMENTS DEPICTED HEREON WITHOUT WRITTEN
APPROVAL FROM THE ENGINEER. PAYMENT FOR CLEARING AND GRUBBING SHALL NOT
EXCEED BID QUANTITY.
N
HORIZONTAL SCALE
0 40 80
1" = 40 FEET
20
1
2
3
4
TEL www.ahbl.comWEBTELwww.ahbl.comWEBTELwww.ahbl.comWEB
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
Know what's below.
before you dig.Call
R
253.383.2572 FAX
PORT TOWNSEND REGIONAL STORMWATER FACILITY
SECTIONS 9 & 16, TOWNSHIP 30N, RANGE 1W, W.M., JEFFERSON COUNTY, WA
CERB CONTRACT NO. 515-790AO-065
PORT TOWNSEND
REGIONAL
STORMWATER
FACILITY
CITY OF PORT TOWNSEND
250 MADISON STREET
PORT TOWNSEND, WA 98368
2160137
BID SET
03/19/2020
CHANGE ORDER 01
12/17/2020
CHANGE ORDER 04
04/21/2021
DO SK DG
17
WORK ORDER # 8028
CHANGE ORDER 02
03/19/2021
DATE: March 19, 2021 FILENAME: Q:\2016\2160137\10_CIV\CAD\2160137-SH-TESC-DEMO- 22X34.dwg
TESC AND
DEMOLITION PLAN
5
C1.01MATCHLINE SEE C1.00
1
2
3
4
TEL www.ahbl.comWEBTELwww.ahbl.comWEBTELwww.ahbl.comWEB
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
Know what's below.
before you dig.Call
R
253.383.2572 FAX
PORT TOWNSEND REGIONAL STORMWATER FACILITY
SECTIONS 9 & 16, TOWNSHIP 30N, RANGE 1W, W.M., JEFFERSON COUNTY, WA
CERB CONTRACT NO. 515-790AO-065
PORT TOWNSEND
REGIONAL
STORMWATER
FACILITY
CITY OF PORT TOWNSEND
250 MADISON STREET
PORT TOWNSEND, WA 98368
2160137
BID SET
03/19/2020
CHANGE ORDER 01
12/17/2020
CHANGE ORDER 04
04/21/2021
DO SK DG
17
WORK ORDER # 8028
CHANGE ORDER 02
03/19/2021
DATE: April 21, 2021 FILENAME: Q:\2016\2160137\10_CIV\CAD\2160137-SH-DETAILS- 22X34.dwg
C1.10
6
TESC AND DEMOLITION
DETAILS AND NOTES
2 NOT TO SCALE
CONSTRUCTION ENTRANCE
1.CONTRACTOR TO PRESERVE AND PROTECT ALL EXISTING UTILITES ON PRIVATE PROPERTY
AND IN PUBLIC RIGHTS-OF-WAY.
2.WHERE POSSIBLE NATURAL VEGETATION WILL BE MAINTAINED FOR SILT CONTROL.
3.AS CONSTRUCTION PROGRESSES AND SEASONAL CONDITIONS DICTATE, THE EROSION
CONTROL FACILITIES SHALL BE MAINTAINED AND/OR ALTERED AS REQUIRED BY THE CESCL
TO ENSURE CONTINUING EROSION/SEDIMENTATION CONTROL.
4.TEMPORARY SILTATION PONDS AND ALL TEMPORARY SILTATION CONTROLS SHALL BE
MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING AND/OR
CONSTRUCTION IS COMPLETED, PERMANENT DRAINAGE FACILITIES ARE OPERATIONAL,
AND THE POTENTIAL FOR EROSION HAS PASSED.
5.PUBLIC RIGHTS-OF-WAY SHALL BE KEPT CLEAN. TRACKING OF MUD AND DEBRIS FROM THE
SITE WILL NOT BE ALLOWED. FAILURE TO COMPLY WITH THIS CONDITION WILL RESULT IN
ALL WORK ON THE SITE BEING STOPPED.
TESC & DEMOLITION NOTES CONSTRUCTION SEQUENCE
1.INSTALL TREE PROTECTION FENCING IN ACCORDANCE WITH APPROVED PLANS.
2.STAKE AND FLAG CLEARING AND CONSTRUCTION LIMITS. BY CITY SURVEYOR.
3.CONSTRUCT CONSTRUCTION ENTRANCE.
4.CONSTRUCT ALL TEMPORARY EROSION CONTROL BMP's ACCORDING TO THE PLAN.
5.INSPECTION NUMBER 1: EROSION CONTROL, MLA 18-8056 INSPECTION.
6.DEMOLISH EXISTING SITE FEATURES INDICATED FOR REMOVAL.
7.ROUGH GRADE SITE, ALL GRADING SHALL BE DONE IN CONFORMANCE WITH THE PLAN AND
THE GEOTECHNICAL ENGINEER'S RECOMMENDATIONS.
8.APPLY EROSION CONTROL MULCH AND SEEDING, PLASTIC COVERING, OR EQUAL. ALL
DISTURBED LAND AREAS THAT WILL BE LEFT FOR 30 DAYS OR MORE DURING THE PERIOD
OF MAY 1 TO OCTOBER 1 SHALL BE IMMEDIATELY SEEDED. IN ADDITION TO SEEDING,
SLOPES OF 15% OR GREATER WILL BE MULCHED WITH 2 TONS OF STRAW PER ACRE, OR
WITH AN APPROVED EQUAL. DURING THE REST OF THE YEAR, TEMPORARY SOIL
STABILIZATION MUST BE APPLIED IMMEDIATELY TO DISTURBED AREAS THAT WILL BE LEFT
EXPOSED FOR 7 DAYS OR MORE, AND IMMEDIATELY TO SLOPES GREATER THAN 15% THAT
WILL BE LEFT EXPOSED FOR 2 DAYS OR MORE.
9.CONSTRUCT UTILITIES AND STORM DRAINAGE FEATURES. INSTALL STORM DRAIN INLET
PROTECTION FOR ALL CATCH BASINS W/GRATED LIDS SUBJECT TO ON-SITE AND OFF-SITE
RUNOFF.
10.RELOCATE EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO THAT AS SITE
CONDITIONS CHANGE, THE EROSION AND SEDIMENT CONTROL IS ALWAYS IN ACCORDANCE
WITH COUNTY SWPPP MINIMUM REQUIREMENTS.
11.FINAL GRADE SITE, CONSTRUCT FINAL SURFACING TREATMENTS. ENSURE SURFACE
WATER IS POSITIVELY DRAINED TOWARDS PROPOSED STORMWATER CONTROL FACILITIES.
12.INSPECTION NUMBER 2: COMPLETION OF EXCAVATION, FILL, AND EARTHWORK, MLA
18-8056 INSPECTION.
13.REMOVE THE REMAINING TEMPORARY EROSION CONTROL ITEMS ONCE SITE HAS BEEN
STABILIZED AND UPON APPROVAL.
14.COMPLETE FINAL LANDSCAPING AS APPLICABLE.
1 NOT TO SCALE
SILT FENCE
PROPOSED GRADE
EXISTING GRADE
135
140
145
150
155
160
165
170
175
180
135
140
145
150
155
160
165
170
175
180
FG 147.264+50FG 149.24FG 151.225+00FG 153.20FG 155.185+50FG 157.16FG 159.146+00FG 161.12FG 163.106+50FG 165.08FG 167.067+00FG 169.04FG 171.027+50FG 173.00240 LF
1
8
"
C
P
E
P
@
7
.
9
4
%
CB3, TYPE 1L, W/SOLID LID
STA 5+22.91, 0.42' R
RIM: 155.00
IE: 152.00 18" (SW)
IE: 152.00 18" (N)
CONTRACTOR TO VERIFY EXACT
DEPTH, SIZE, TYPE, AND LOCATION OF
EX. 6" DIA. AC WATER MAIN.
118 LF
1
8
"
C
P
E
P
@
7
.
9
4
%
STA: 7+62.98, 2.97' L
IE: 171.08 18" (NE)
IE: 171.08 18" (S)
RIM: 174.08
CB4, TYPE 1L, W/SOLID LID
7.92%
CB4, TYPE 1L, W/SOLID LID
CB3, TYPE 1L, W/SOLID LID
4+12 118 LF 18" CPEP @ 7.85
%240 LF 18" CPEP @ 7.94%4+12 5+006+007+001
5
0
155
160
165
170
1
7
5
180146
147
148
1
4
9
15
1
1
5
2
1
5
3
1
5
4
156
157
158
159
161
162
163
164
166
167
168
169
171
172
173
174
1
7
6 178179181CONTRACTOR TO VERIFY
EXACT DEPTH, SIZE,
TYPE, AND LOCATION OF
EX. 6" DIA. AC WATER
MAIN. IF CONFLICT WITH
PROPOSED STORM PIPE
EXISTS, REPLACE EX.
WATER MAIN WITH DI PIPE
FROM EX. VALVE TO 20'
WEST OF CROSSING.
LEGEND
RIGHT-OF-WAY / PROPERTY LINE
CENTERLINE
TEMPORARY EASEMENT
PERMANENT EASEMENT
PROPOSED MINOR CONTOUR
PROPOSED MAJOR CONTOUR
CHAINLINK FENCE
GRAVEL MAINTENANCE ROAD
SPILLWAY RIPRAP
CB TYPE 1L
CB TYPE 2
STORM PIPE
123
123
1
C3.12
2
C3.11
8
C3.10
1
C3.10
N
HORIZONTAL SCALE
0 20 40
1" = 20 FEET
10
MATCHLINE SEE C2.00
MATCHLINE SEE C2.02
1
C3.12
PATH STA:4+12- 7+70
HORIZONTAL 1" = 20' VERTICAL 1" = 5'
1
2
3
4
TEL www.ahbl.comWEBTELwww.ahbl.comWEBTELwww.ahbl.comWEB
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
Know what's below.
before you dig.Call
R
253.383.2572 FAX
PORT TOWNSEND REGIONAL STORMWATER FACILITY
SECTIONS 9 & 16, TOWNSHIP 30N, RANGE 1W, W.M., JEFFERSON COUNTY, WA
CERB CONTRACT NO. 515-790AO-065
PORT TOWNSEND
REGIONAL
STORMWATER
FACILITY
CITY OF PORT TOWNSEND
250 MADISON STREET
PORT TOWNSEND, WA 98368
2160137
BID SET
03/19/2020
CHANGE ORDER 01
12/17/2020
CHANGE ORDER 04
04/21/2021
DO SK DG
17
WORK ORDER # 8028
CHANGE ORDER 02
03/19/2021
C2.01
8
GRADING, STORM,
AND SURFACING PLAN
DATE: April 21, 2021 FILENAME: Q:\2016\2160137\10_CIV\CAD\2160137-SH-SITE- 22x34.dwg
C4.00
165
170
175
180
185
190
195
200
205
210
165
170
175
180
185
190
195
200
205
210
FG 174.988+00FG 176.96FG 178.948+50FG 180.92FG 182.909+00FG 184.88FG 186.869+50FG 188.84FG 190.8210+00FG 192.80FG 194.7810+50FG 196.76FG 198.7444 LF 1
8
"
C
P
E
P
@
7
.
7
3
%
CB5, TYPE 1L, W/SOLID LID
STA: 8+06 3.40' L
RIM: 177.47
IE IN: 174.47 (18"SE)
IE OUT: 174.47 (18"SW)
PROPOSED GRADE
EXISTING GRADE
433 LF 18
"
C
P
E
P
@
5
.
7
1
%
7.92%
433 LF 18" C
P
E
P
@
4
.
6
7
%
001-094-006
PACIFIC FUNDING
CB5, TYPE 1L, W/SOLID LID
CB4, TYPE 1L, W/SOLID LID
44 LF 18" CPEP @ 7.73%240 LF 18" CPEP @ 7.94%6+007+008+00
9+
0
0
10
+
0
0
160
165
170
1
7
5
180185190195159
161
162
163
164
166
167
168
169
171
172
173
174
1
7
6 177178179181182183184186187188189191192193194196197198199433 LF 18" CPEP @ 5.71%
LEGEND
RIGHT-OF-WAY / PROPERTY LINE
CENTERLINE
TEMPORARY EASEMENT
PERMANENT EASEMENT
PROPOSED MINOR CONTOUR
PROPOSED MAJOR CONTOUR
CHAINLINK FENCE
GRAVEL MAINTENANCE ROAD
SPILLWAY RIPRAP
CB TYPE 1L
CB TYPE 2
STORM PIPE
123
123
1
C3.12
2
C3.11
8
C3.10
1
C3.10
N
HORIZONTAL SCALE
0 20 40
1" = 20 FEET
10 MATCHLINE SEE SHEET C2.03MATCHLINE SEE C2.01
1
C3.12
PATH STA:7+70 - 11+00
HORIZONTAL 1" = 20' VERTICAL 1" = 5'
1
2
3
4
TEL www.ahbl.comWEBTELwww.ahbl.comWEBTELwww.ahbl.comWEB
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
Know what's below.
before you dig.Call
R
253.383.2572 FAX
PORT TOWNSEND REGIONAL STORMWATER FACILITY
SECTIONS 9 & 16, TOWNSHIP 30N, RANGE 1W, W.M., JEFFERSON COUNTY, WA
CERB CONTRACT NO. 515-790AO-065
PORT TOWNSEND
REGIONAL
STORMWATER
FACILITY
CITY OF PORT TOWNSEND
250 MADISON STREET
PORT TOWNSEND, WA 98368
2160137
BID SET
03/19/2020
CHANGE ORDER 01
12/17/2020
CHANGE ORDER 04
04/21/2021
DO SK DG
17
WORK ORDER # 8028
CHANGE ORDER 02
03/19/2021
DATE: April 21, 2021 FILENAME: Q:\2016\2160137\10_CIV\CAD\2160137-SH-SITE- 22x34.dwg
C2.02
9
GRADING, STORM,
AND SURFACING PLAN
1
4.67%
CB6, TYPE 2 48", W/SOLID LID
EXISTIN
G
C
O
N
T
O
U
R
S
F
R
O
M
L
I
D
A
R
I
N
F
O
R
M
A
T
I
O
N
503 LF 18
"
C
P
E
P
@
0
.
4
0
%
11
+
0
0
12
+
0
0
13+00
14+00
15+00
16+00200205210201202203204206207208209211212215220225225214216217218219221222
2222232232242242262262272272282282292297.32
%
7.92%
185
190
195
200
205
210
215
220
225
230
185
190
195
200
205
210
215
220
225
230
FG 202.7011+50FG 204.68FG 206.6712+00FG 208.65FG 210.6312+50FG 212.61FG 214.5913+00FG 216.57FG 218.5513+50FG 220.53FG 222.5114+00FG 224.49FG 226.4714+50FG 228.29FG 229.2315+00FG 229.23FG 228.2715+50FG 226.52FG 224.69503 LF 18" CPEP @ 0.40%
STA: 12+37.48, 1.73' R
IE: 199.20 18" (E)
IE: 199.20 18" (NW)
RIM: 211.60
CB6, TYPE 2 48", W/SOLID LID
PROPOSED GRADE
EXISTING GRADE
100' VC
PVI: 231.25
PVI STA: 14+85.39
K: 6.31
BVCS: 14+35.41BVCE: 227.29EVCS: 15+35.38EVCE: 227.29HI PT: 14+85.38ELEV: 229.27503 LF 18" CPEP @ 1.00%
NEW IE: 194.68
NEW IE: 194.68
LEGEND
RIGHT-OF-WAY / PROPERTY LINE
CENTERLINE
TEMPORARY EASEMENT
PERMANENT EASEMENT
PROPOSED MINOR CONTOUR
PROPOSED MAJOR CONTOUR
CHAINLINK FENCE
GRAVEL MAINTENANCE ROAD
SPILLWAY RIPRAP
CB TYPE 1L
CB TYPE 2
STORM PIPE
123
123
1
C3.12
2
C3.11
8
C3.10
1
C3.10
N
HORIZONTAL SCALE
0 20 40
1" = 20 FEET
10
MATCHLINE SEE SHEET C2.02MATCHLINE SEE SHEET C2.04PATH STA:11+00 - 16+00
HORIZONTAL 1" = 20' VERTICAL 1" = 5'
1
2
3
4
TEL www.ahbl.comWEBTELwww.ahbl.comWEBTELwww.ahbl.comWEB
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
Know what's below.
before you dig.Call
R
253.383.2572 FAX
PORT TOWNSEND REGIONAL STORMWATER FACILITY
SECTIONS 9 & 16, TOWNSHIP 30N, RANGE 1W, W.M., JEFFERSON COUNTY, WA
CERB CONTRACT NO. 515-790AO-065
PORT TOWNSEND
REGIONAL
STORMWATER
FACILITY
CITY OF PORT TOWNSEND
250 MADISON STREET
PORT TOWNSEND, WA 98368
2160137
BID SET
03/19/2020
CHANGE ORDER 01
12/17/2020
CHANGE ORDER 04
04/21/2021
DO SK DG
17
WORK ORDER # 8028
CHANGE ORDER 02
03/19/2021
DATE: April 21, 2021 FILENAME: Q:\2016\2160137\10_CIV\CAD\2160137-SH-SITE- 22x34.dwg
C2.03
10
GRADING, STORM, AND
SURFACING PLAN
1
C3.12
Landslide Hazard Area
Boundary (40 Percent or
Greater Slopes)
25-Foot Landslide Hazard Area Buffer
11
1
1.00%
CB8, TYPE 2 48", W/SOLID LID
CB10, 54" CONTROL STRUCTURE
RIM: 207.50
IE: 202.20 18" (NE)
IE: 202.20 18" (SW)
POND OUTLET, TRASH RACK
IE: 202.20 18" (SW)
16 LF 18" CPEP @ 0.00%
1
2
3 21021
0
2
1
0
206
207
207208
208
2
0
8
20
8
20
9
209
209 2092
1
1212
1
C3.11
108 LF
1
8
"
C
P
E
P
@
0
.
4
0
%
20+3
5
16+00
17+00
18+00
19+00
20+0
0
1
5
'R10'15'1
5
'20'CB9, TYPE 1L, W/SOLID LID141 LF 18" 18" CPEP @ 0.40%205205
205210210215220 204
204204
204
206206
206
207
207
207208208209209211212213214216217218219221222223224 2
C3.12
PROPOSED GRADE
EXISTING GRADE
195
200
205
210
215
220
225
195
200
205
210
215
220
225
FG 221.0316+50FG 219.21FG 217.3817+00FG 215.55FG 213.7217+50FG 211.89FG 210.0618+00FG 208.23FG 206.4018+50FG 204.58FG 203.9919+00FG 203.99FG 203.9919+50FG 204.00FG 204.0020+00FG 204.00FG 204.00CB8, TYPE 2 48", W/SOLID LID
STA 17+40.74, 3.24' L
RIM: 212.60
IE: 201.21 18" (E)
IE: 201.21 18" (W)
108 LF 18" CPEP @ 0.40%
STA: 18+48.55, 4.31' L
IE: 201.64 18" (NE)
IE: 201.64 18" (W)
RIM: 204.72
CB9, TYPE 1L, W/SOLID LID
7.32%
PVI: 203.99
PVI STA: 18+57.90
K: 2.78
20' VC
BVCS: 18+47.71BVCE: 204.74EVCS: 18+68.09EVCE: 203.99LOW PT: 18+68.08ELEV: 203.99108 LF 18" CPEP @ 1.00%
NEW IE: 200.79
NEW IE: 200.79
NEW IE: 199.71
NEW IE: 199.71
17+00FG 204.00FG 207.8417+50FG 210.25FG 211.9118+00FG 214.00FG 211.2918+50FG 204.95CB10, 54" CONTROL STRUCTURE
STA: 19+09 137.34' L
RIM: 207.50
IE: 202.20 18" (NE)
IE: 202.20 18" (SW)
EXISTING GRADE
STA: 18+48.55, 4.31' L
IE: 201.64 18" (NE)
IE: 201.64 18" (W)
RIM: 204.72
CB9, TYPE 1L, W/SOLID LID
141 LF 18" CPEP @ 0.40%
PROPOSED GRADE
16 LF 18" CPEP @ 0.00%
141 LF 18" CPEP @ 1.00%
NEW IE: 200.79
NEW IE: 200.79
LEGEND
RIGHT-OF-WAY / PROPERTY LINE
CENTERLINE
TEMPORARY EASEMENT
PERMANENT EASEMENT
PROPOSED MINOR CONTOUR
PROPOSED MAJOR CONTOUR
CHAINLINK FENCE
GRAVEL MAINTENANCE ROAD
SPILLWAY RIPRAP
CB TYPE 1L
CB TYPE 2
123
123
1
C3.12
2
C3.11
8
C3.10
1
C3.10
N
HORIZONTAL SCALE
0 20 40
1" = 20 FEET
10MATCHLINE SEESHEET C2.031 HORIZONTAL 1" = 20 VERTICAL 1" = 5"
CB9 TO NEW CONTROL STRUCTURE IN EXISTING POND
1
C3.12
KEY NOTES
REVISE EXISTING CONTROL
STRUCTURE. REPLACE EXISTING
RISER: NEW RISER SHALL HAVE
WATERTIGHT PLATE AT BOTTOM AND
HAVE NO ORIFICES OR NOTCHES.
SET RISER TOP ELEVATION TO
207.95. ADJUST RIM ELEVATION OF
STRUCTURE TO ACCOMODATE
RISER: ±210.60.
REGRADE EXISTING POND AS
SHOWN. NEW OVERFLOW SPILLWAY
ELEVATION = 208.50
15' WIDE ACCESS TO CONTROL
STRUCTURE, MIN. 4" DEPTH CSTC
1
2
3
PATH STA:16+00 - 20+47
HORIZONTAL 1" = 20' VERTICAL 1" = 5'
1
2
3
4
TEL www.ahbl.comWEBTELwww.ahbl.comWEBTELwww.ahbl.comWEB
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
Know what's below.
before you dig.Call
R
253.383.2572 FAX
PORT TOWNSEND REGIONAL STORMWATER FACILITY
SECTIONS 9 & 16, TOWNSHIP 30N, RANGE 1W, W.M., JEFFERSON COUNTY, WA
CERB CONTRACT NO. 515-790AO-065
PORT TOWNSEND
REGIONAL
STORMWATER
FACILITY
CITY OF PORT TOWNSEND
250 MADISON STREET
PORT TOWNSEND, WA 98368
2160137
BID SET
03/19/2020
CHANGE ORDER 01
12/17/2020
CHANGE ORDER 04
04/21/2021
DO SK DG
17
WORK ORDER # 8028
CHANGE ORDER 02
03/19/2021
DATE: April 21, 2021 FILENAME: Q:\2016\2160137\10_CIV\CAD\2160137-SH-SITE- 22x34.dwg
C2.04
11
GRADING, STORM,
AND SURFACING PLAN
210.00
210.00
3
1
1
1
1
1
1
11
1.00%
207.80
12'
12" MIN. THICKNESS
ROCK PROTECTION
3:1 3:1
0.4'
.5' MIN
3'3'
127.5
127.1
EMERGENCY
OVERFLOW WATER
SURFACE
OVERFLOW WATER
SURFACE
1'FILTER FABRIC
LINER UNDER ROCKQUARRY SPALLS
21'8'ELEV: 113.00
PLAN VIEW
SECTION VIEW1'ELEV: 115.003:
1 3:11'FILTER FABRIC
LINER UNDER ROCK
QUARRY SPALLS
±30'±45'ELEV: 119.00
PLAN VIEW
SECTION VIEW
NOTES:
1.ROCK LINING SHALL BE QUARRY
SPALLS WITH GRADATION AS
FOLLOWS:
1.1.PASSING 8-INCH SQUARE
SIEVE: 100%
1.2.PASSING 3-INCH SQUARE
SIEVE: 40 TO 60% MAXIMUM
1.3.PASSING 0.75-INCH SQUARE
SIEVE: 0 TO 10% MAXIMUM
1'ELEV: 122.00
3:
1
3:118" INL
E
T
18" INLET
PIPE BEDDING PER
WSDOT 9-03.12(3)
FINISH SURFACE PER PLAN
FLEXIBLE
(CPEP, CMP, PVC)
RIGID
(D.I., CONC.)
1.5 X I.D. + 18"
24" MIN.
PIPE AS
SPECIFIED ON
PLAN OR
SPECS.
6" MIN.DIA.6"8" TYP
BACKFILL WITH
BANK RUN
GRAVEL FOR
TRENCH
BACKFILL PER
WSDOT 9-03.19
OR SUITABLE
NATIVE
MATERIAL
0.15 x DIA. OR 4" MIN.
128.0 128.0
2:1
1
2
3
4
TEL www.ahbl.comWEBTELwww.ahbl.comWEBTELwww.ahbl.comWEB
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
Know what's below.
before you dig.Call
R
253.383.2572 FAX
PORT TOWNSEND REGIONAL STORMWATER FACILITY
SECTIONS 9 & 16, TOWNSHIP 30N, RANGE 1W, W.M., JEFFERSON COUNTY, WA
CERB CONTRACT NO. 515-790AO-065
PORT TOWNSEND
REGIONAL
STORMWATER
FACILITY
CITY OF PORT TOWNSEND
250 MADISON STREET
PORT TOWNSEND, WA 98368
2160137
BID SET
03/19/2020
CHANGE ORDER 01
12/17/2020
CHANGE ORDER 04
04/21/2021
DO SK DG
17
WORK ORDER # 8028
CHANGE ORDER 02
03/19/2021
DATE: April 21, 2021 FILENAME: Q:\2016\2160137\10_CIV\CAD\2160137-SH-DETAILS- 22X34.dwg
C3.10
14
STORM DRAINAGE
DETAILS
2 NOT TO SCALE
EMERGENCY OVERFLOW SPILLWAY
3 NOT TO SCALE
PIPE BEDDING AND TRENCH BACKFILL
5 NOT TO SCALE
ROCK SUMP OUTFALL
6 NOT TO SCALE
POND INLET WITH STILLING BASIN12" CPEP15" CPEP15" CPEP
12" CPEP
7 NOT TO SCALE
CB TYPE 1
8 NOT TO SCALE
CB TYPE 2
2.0%
6" QUARRY SPALLS
(2- TO 4-INCH)
2" CRUSHED
SURFACING
12'
GEOTEXTILE
FABRIC
NOTE
MAXIMUM LONGITUDINAL
SLOPE = 12%.
4 NOT TO SCALE
POND ACCESS RAMP
1 NOT TO SCALE
CB TYPE 1L
JAILHOUSE GRATE DETAIL
NOTES:
1.FRAME AND LADDER OR STEPS OFFSET SO THAT:
A. CLEANOUT GATE IS VISIBLE FROM TOP.
B. CLIMB DOWN SPACE IS CLEAR OF RISER AND CLEANOUT GATE.
MAX.
W.S.
2
'
M
IN
.
18"Ø
O
U
T
FRAME & LADDER OR
STEPS OFFSET. SEE
NOTE 1.
ROUND SOLID COVER
WITH LOCKING BOLTS.
6" MIN.
RIM ELEV 210.00
OVERFLOW
ELEV 207.50
18"
RISER
STEPS OR LADDER
ELEV 207.50
PROVIDE
VERTICAL BARS IN
FRAME @ 4" O.C.
ELEV = 207.50
1
8
0
°
O
P
E
N
I
NG6"PLAN
SECTION
PIPE
SUPPORT(S):
3" x 0.090"
ELEV = 207.50
POLYPROPYLENE-COATED
STEEL STEPS OR LADDER.
54" DIA.2.0'2.0'6"MIN.18" RISER
18" SD
6"
IE = 202.20
18" SD
RESTRICTOR
PLATE W/ ONE
3.0" ORIFICE
ELEV = 200.20 18" MAX.1
2
3
4
TEL www.ahbl.comWEBTELwww.ahbl.comWEBTELwww.ahbl.comWEB
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
Know what's below.
before you dig.Call
R
253.383.2572 FAX
PORT TOWNSEND REGIONAL STORMWATER FACILITY
SECTIONS 9 & 16, TOWNSHIP 30N, RANGE 1W, W.M., JEFFERSON COUNTY, WA
CERB CONTRACT NO. 515-790AO-065
PORT TOWNSEND
REGIONAL
STORMWATER
FACILITY
CITY OF PORT TOWNSEND
250 MADISON STREET
PORT TOWNSEND, WA 98368
2160137
BID SET
03/19/2020
CHANGE ORDER 01
12/17/2020
CHANGE ORDER 04
04/21/2021
DO SK DG
17
WORK ORDER # 8028
CHANGE ORDER 02
03/19/2021
DATE: April 21, 2021 FILENAME: Q:\2016\2160137\10_CIV\CAD\2160137-SH-DETAILS- 22X34.dwg
C3.11
15
STORM DRAINAGE
DETAILS
1 NOT TO SCALE
CONTROL STRUCTURE WITH JAILHOUSE GRATE
3 NOT TO SCALE
CHAIN LINK GATE
2 NOT TO SCALE
CHAIN LINK FENCE18"Ø IN
RESTRICTOR ELBOW
ORIFICE DIA. = 2.0"
ELEV. = 205.20
8.00"
8.00"
207.60
207.60
207.60
207.60
3
1
2
3
4
TEL www.ahbl.comWEBTELwww.ahbl.comWEBTELwww.ahbl.comWEB
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
Know what's below.
before you dig.Call
R
253.383.2572 FAX
PORT TOWNSEND REGIONAL STORMWATER FACILITY
SECTIONS 9 & 16, TOWNSHIP 30N, RANGE 1W, W.M., JEFFERSON COUNTY, WA
CERB CONTRACT NO. 515-790AO-065
PORT TOWNSEND
REGIONAL
STORMWATER
FACILITY
CITY OF PORT TOWNSEND
250 MADISON STREET
PORT TOWNSEND, WA 98368
2160137
BID SET
03/19/2020
CHANGE ORDER 01
12/17/2020
CHANGE ORDER 04
04/21/2021
DO SK DG
17
WORK ORDER # 8028
CHANGE ORDER 02
03/19/2021
2.0%
95%
COMPACTED
SUBBASE
4" GRAVEL
CRUSHED
SURFACING
TOP COURSE
10' CSTC
2:1
DATE: April 21, 2021 FILENAME: Q:\2016\2160137\10_CIV\CAD\2160137-SH-DETAILS- 22X34.dwg
C3.12
16
STORM DRAINAGE
DETAILS
1 NOT TO SCALE
MAINTENANCE ROAD SECTION
2:1
1' BENCH
1' BENCH
0.75" DIA.
END VIEW SIDE VIEW
0.75" DIA.
FRAME
3" MAX. SPACING
O.5" GALV. OR
NON-CORROSIVE
NUTS & BOLTS
ENDS TO BE
WELDED TO
0.75" DIA.
FRAME
0.25" x 2" x 5"
STRIPS
4 EA. 0.25" x 2" x 5" STRIPS
WELD TO FRAME - SPACE
UNIFORMLY
2 NOT TO SCALE
TRASH RACK
3 NOT TO SCALE
OVERFLOW STRUCTURE 4 NOT TO SCALE
FLOW DISPERSAL TRENCH 5 NOT TO SCALE
PERMANENT SURFACE WATER POND SIGN
NOTES:
1.ALL STEEL PARTS MUST BE GALVANIZED AND ASPHALT COATED (TREATMENT 1 OR
BETTER). TRASH RACKS SHALL BE INSTALLED AT ALL OPEN ENDS OF STORM
DRAINAGE PIPE 12" DIA. AND GREATER.
LARRY SCOTT MEMORIAL TR
6.
0
0
'
B
E
R
M
CB2, TYPE 1L, W/SOLID LID
RIM: 145.74
IE: 142.74 18" (NE)
IE: 142.74 18" (S)
OVERFLOW STRUCTURE WITH DEBRIS BARRIER, 48" TYPE 2 CB12
RIM: 125.92
IE: 121.19 12" (SE)
FLOW DISPERSAL TRENCH, CB TYPE 1
RIM: 114.13
IE: 111.78 15" (NW)
IE: 111.78 6" (NE)
POND ACCESS RAMP
CHAINLINK FENCE
3
C3.11
PERMANENT SURFACE
WATER CONTROL POND
SIGN
POND INLET WITH STILLING BASIN
IE: 118.00 18" (NE)
CHAINLINK GATE
2
C3.11
ROCK SUMP OUTFALL
IE: 113.00 12" (NW)
EMERGENCY
OVERFLOW SPILLWAY
2
C3.10
4+12
0+00
1+00
2+00
3+00
4+00
1
1
8
L
F
1
8
"
C
P
E
P
@
7
.
8
5
%
70 LF 18" CPEP @ 10.56%
81 LF
1
2
"
C
P
E
P
@
1
0.
0
5
%
36 LF
1
5
"
P
V
C
@
3.
3
6
%50 LF
6
"
PVC
@
0
.00%
4+12
3
C3.12
5
C3.12
5
C3.10
4
C3.12
RESTORE TRAIL TO
PRE-CONSTRUCTION
CONDITION OR BETTER
MILL
R
O
A
D
20 LF 8" CPEP CULVERT,
INSTALL TRASH RACK ON
EACH END
CB1, TYPE 1L, W/SOLID LID
RIM: 138.45
IE: 135.35 (N)
IE: 135.35 (SW)
2
C3.12
4
C3.10
121122125
121
122
123
124
126
126
127
127
128
128
12012513013514014511611711811912112212312412612712812913113213
3 13413613713813914114214314414653 LF 18" CPEP @ 32.73%
IE: 113.00 15" (SE)
2
0+00 1+00 2+00 3+003+060+001+002+003+003+18STA:0+03.51, 0.00'MILL ROAD001-162-017CITY OF PORT TOWNSEND130135140128129131132133134136137138139125121122123124126127FG: 146.23
10.00%
HORIZONTAL SCALE
0 20 40
1" = 20 FEET
10
1
2
3
4
TEL www.ahbl.comWEBTELwww.ahbl.comWEBTELwww.ahbl.comWEB
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
Know what's below.
before you dig.Call
R
253.383.2572 FAX
PORT TOWNSEND REGIONAL STORMWATER FACILITY
SECTIONS 9 & 16, TOWNSHIP 30N, RANGE 1W, W.M., JEFFERSON COUNTY, WA
CERB CONTRACT NO. 515-790AO-065
PORT TOWNSEND
REGIONAL
STORMWATER
FACILITY
CITY OF PORT TOWNSEND
250 MADISON STREET
PORT TOWNSEND, WA 98368
2160137
BID SET
03/19/2020
CHANGE ORDER 01
12/17/2020
CHANGE ORDER 04
04/21/2021
DO SK DG
17
WORK ORDER # 8028
CHANGE ORDER 02
03/19/2021
DATE: March 19, 2021 FILENAME: Q:\2016\2160137\10_CIV\CAD\2160137-SH-SITE-ALT 22x34.dwg
C4.00
17
REVISED STORM
INFILTRATION PLANN3
C4.01
POND NOTES
NOT USED
OVEREXCAVATION AND REPLACEMENT. EXCAVATE TO 3' BELOW
THE LIMITS OF EXISTING SILT SOILS. REPLACE 11,500 SF
OVEREXCAVATED AREA WITH CLEAN, FREE-DRAINING,
PERMEABLE BALLAST OR QUARRY SPALLS. REFER TO TRENCH
OVEREXCAVATION DETAIL.
1
2
B
C4.01
A
C4.01
6
C3.10
APPROXIMATE TOP OF
PERMEABLE BALLAST
REPLACEMENT AREA
WITH 1
2:1 SIDESLOPES.
ELEV. 121.0
BOTTOM OF PERMEABLE
BALLAST REPLACEMENT
AREA 11,500 SF, 3'
BELOW EX. SILT LAYER.
ELEV. VARIES
127.00
2
95
100
105
110
115
120
125
130
135
140
95
100
105
110
115
120
125
130
135
140
PROPOSED GRADE
EXISTING GRADE
3
:
12:13:1DESIGN WATER SURFACE ELEVATION 127.0
TOP OF POND ELEVATION 128.0
⅊
CHAINLINK FENCE
CHAIN LINK FENCE
APPROX. LOCATION OF TOP
OF EXISTING SILT LAYER
BOTTOM OF POND ELEVATION 121.0
2
C3.11
2
C3.11
FG 137.870+50FG 127.10FG 121.001+00FG 121.00FG 121.001+50FG 121.00FG 121.002+00FG 121.00FG 121.002+50FG 121.00FG 127.713+00FG 135.002:1APPROX. LOCATION OF BOTTOM
OF EXISTING SILT LAYER
2
103
105
110
115
120
125
130
135
140
103
105
110
115
120
125
130
135
140
PROPOSED GRADE
EXISTING GRADE2:1 MAX.
3
:
1
3:16' BERM
PROVIDE KEYED POND BERM EMBANKMENT.
BERM MATERIAL SHALL CONTAIN A MINIMUM
OF 20% SILT AND CLAY, A MAXIMUM OF 60%
SILT WITH NOMINAL GRAVEL AND COBBLE
CONTENT. COMPACT TO 95% MAX. DENSITY
(TYP.)
MIN 50% BERM
CROSS -
SECTIONAL WIDTH
CHAINLINK FENCE
CHAIN LINK FENCE
DESIGN WATER SURFACE ELEVATION 127.0
TOP OF POND ELEVATION 128.0
BOTTOM OF POND ELEVATION 121.0
2
2
C3.11
2
C3.11
2:1 MAX.FG 124.730+50FG 127.35FG 121.421+00FG 121.00FG 121.001+50FG 121.00FG 121.002+00FG 121.00FG 121.002+50FG 129.23FGAPPROX. LOCATION OF TOP
OF EXISTING SILT LAYER
APPROX. LOCATION OF BOTTOM
OF EXISTING SILT LAYER
N
HORIZONTAL SCALE
0 20 40
1" = 20 FEET
10
1
2
3
4
TEL www.ahbl.comWEBTELwww.ahbl.comWEBTELwww.ahbl.comWEB
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
Know what's below.
before you dig.Call
R
253.383.2572 FAX
PORT TOWNSEND REGIONAL STORMWATER FACILITY
SECTIONS 9 & 16, TOWNSHIP 30N, RANGE 1W, W.M., JEFFERSON COUNTY, WA
CERB CONTRACT NO. 515-790AO-065
PORT TOWNSEND
REGIONAL
STORMWATER
FACILITY
CITY OF PORT TOWNSEND
250 MADISON STREET
PORT TOWNSEND, WA 98368
2160137
BID SET
03/19/2020
CHANGE ORDER 01
12/17/2020
CHANGE ORDER 04
04/21/2021
DO SK DG
17
WORK ORDER # 8028
CHANGE ORDER 02
03/19/2021
DATE: March 19, 2021 FILENAME: Q:\2016\2160137\10_CIV\CAD\2160137-SH-SITE-ALT 22x34.dwg
C4.01
----
REVISED POND
PROFILES
RESTRICTIVE
SILT LAYER
(RSL)
ADVANCE
OUTWASH SAND
EXTEND
OVEREXCAVATION
3FT BELOW RSL
GEOTEXTILE FOR UNDERGROUND DRAINAGE
(CLASS B, MODERATE SURVIVABILITY)
PER WSDOT STANDARD SPECIFICATION
9-33.2(1) - TABLES 1 AND 2
QUARRY SPALLS OR PERMEABLE BALLAST
PER WSDOT STANDARD SPECIFICATION
9-03.9(2) - PERMEABLE BALLAST
9-13.1(5) - QUARRY SPALLS
PLACE GEOTEXTILE 1
FT. BELOW GROUND
SURFACE
3 NOT TO SCALE
OVEREXCAVATION AND REPLACEMENT
1 1" = 20' HORIZONTAL 1" = 5' VERTICAL
SECTION A-A
2 1" = 20' HORIZONTAL 1" = 5' VERTICAL
SECTION B-B
3
C4.01
POND NOTES
NOT USED
OVEREXCAVATION AND REPLACEMENT. EXCAVATE TO 3' BELOW
THE LIMITS OF EXISTING SILT SOILS. REPLACE
OVEREXCAVATED AREA WITH CLEAN, FREE-DRAINING,
PERMEABLE BALLAST OR QUARRY SPALLS. REFER TO TRENCH
OVEREXCAVATION DETAIL.
1
2