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<br />SURFACING, GRADING AND DRAINAGE PLAN
<br />SCALE: 1"=30'
<br />KEY NOTES
<br />1 CB-106 BYPASS STRUCTURE TYPE C PER DETAIL 02/C2.4. PROVIDE
<br />5-1/2" ORIFICE ON 8" TREATMENT FLOW PIPE. PROVIDE 24" PVC
<br />STANDPIPE WITH TOP ELEVATION 17.11 (TREATMENT ELEVATION) ON
<br />BYPASS FLOW PIPE. PROVIDE 30" BAFFLE AT TOP OF STANDPIPE.
<br />CONNECT STANDPIPE TO BYPASS PIPE USING PVC TEE.
<br />STORMWATER TREATMENT POND PER SHEET S3.0.
<br />: EXTRUDED CONCRETE CURB PER DETAILS 02 & 03/C2.2.
<br />4� TRANSITION FROM ASPHALT BARRIER CURB TO EXTRUDED CONCRETE CURB.
<br />5 INSTALL CO2 SPARGING EQUIPMENT IN POND PER DETAIL 04/C2.5.
<br />INSTALL WALCHEM W600 SERIES WATER TREATMENT CONTROLLER PER
<br />DETAIL 04/C2.5.
<br />LEGEND
<br />PROPOSED FEATURES -
<br />SPECTED T D
<br />HEAVY DUTY HMA PAVEMENT, SEE DETAIL 01/C2.2
<br />CRUSHED ROCK SURFACING, SEE DETAIL 04/C2.2
<br />LANDSCAPING, SEE LANDSCAPE DRAWINGS
<br />7' CHAIN LINK FENCE, SEE DETAIL 07/C2.2
<br />SD
<br />STORM DRAIN PIPE
<br />- - - - - - - -
<br />GRADE BREAK
<br />17
<br />MINOR CONTOUR
<br />15
<br />MAJOR CONTOUR
<br />0
<br />CATCH BASIN, TYPE PER PLAN
<br />22.34
<br />SPOT ELEVATION
<br />SLOPE ARROW
<br />;=v�T
<br />EXTRUDED CONCRETE CURB PER DETAIL 02/C2.2
<br />GENERAL NOTES
<br />1. SEE SHEET CO.1 FOR PROJECT NOTES RELATED TO GRADING AND
<br />DRAINAGE.
<br />2. SPOT ELEVATIONS ARE AT
<br />EDGE OF PAVEMENT, BOTTOM OF CURB, OR
<br />FLOWLINE UNLESS OTHERWISE
<br />NOTED.
<br />3. NO PART OF THE DRAINAGE SYSTEM SHALL BE COVERED, CONCEALED,
<br />OR PUT INTO USE UNTIL IT HAS BEEN
<br />IN , ESTE ,AND
<br />ACCEPTED BY THE CITY OF EVERETT.
<br />4. ALL WORK AND MATERIAL SHALL CONFORM TO THE CITY OF EVERETT
<br />\ = DESIGN AND CONSTRUCTION STANDARDS AND SPECIFICATIONS AND THE
<br />WSDOT/APWA STANDARD SPECIFICATIONS FOR ROAD, BRIDGE, AND
<br />MUNICIPAL CONSTRUCTION (CURRENT EDITION).
<br />G
<br />=_ _ 5. APPROXIMATE LOCATIONS OF EXISTING UTILITIES HAVE BEEN OBTAINED
<br />t °� _ �- FROM AVAILABLE RECORDS AND ARE SHOWN FOR CONVENIENCE. THE
<br />\ CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFICATION OF LOCATIONS
<br />" \ \ AND TO AVOID DAMAGE TO ANY ADDITIONAL UTILITIES SHOWN. IF
<br />CONFLICTS WITH EXISTING UTILITIES ARISE DURING CONSTRUCTION, THE
<br />CONTRACTOR SHALL NOTIFY THE PUBLIC WORKS INSPECTOR AND ANY
<br />CHANGES REQUIRED SHALL BE APPROVED BY THE CITY ENGINEER PRIOR
<br />TO COMMENCEMENT OF RELATED CONSTRUCTION ON THE PROJECT.
<br />++++�.,� 6. ALL STORM SYSTEMS WITHIN, THE PUBLIC RIGHT-OF-WAY OR IN
<br />+++ + EASEMENTS MUST BE STAKED BY SURVEY FOR LINE AND GRADE PRIOR
<br />\ \ ®� TO STARTING CONSTRUCTION.
<br />\ \ \ CB-107 7. ALL CATCH BASIN GRATES MUST BE STENCILED OR STAMPED "DUMP NO
<br /># \ N:363226.27 WASTE, DRAINS TO STREAM, LAKE, RIVER, PUGET SOUND OR WETLAND.
<br />#"#++++++\ \ \ `�' °sE:1311396.81 CHOOSE APPROPRIATE FEATURE FOR THE PROJECT. SEE 05/C2.2.
<br />o
<br />r 3 y \ �� \ , 8. INSTALL STORM PIPING PER DETAIL 09/C2.2.
<br />OIL/WATER SEPARATOR 9. INSTALL STORM STRUCTURES PER DETAIL 08/C2.2
<br />+++. PER 'DETAIL 04/C2.3
<br />RIM =-,�RO.16
<br />#
<br />#+ +# +� \ \ \ E = 15.4, 8" E (OUT)
<br />\ \\ IE\\ 15.7k 8 W (IN)
<br />6LF 8 $,VC SDR35 ® 0,29%
<br />23LF 24 'CPP ® 0.34%
<br />+
<br />+
<br />+` \
<br />��1
<br />20.62 \ \ \
<br />.r+#+# \ \ 1 \
<br />CELL 1+:.
<br />I\
<br />+ + +:+ \
<br />� 1 q X.
<br />tip �+ :: \ \ \ \
<br />CELL 2 # + D8 \ 9LF 36�'; CPP 3.23%
<br />+# +++.++.++.
<br />�SDMH-3, TYPE 2-961)
<br />18 CPP RIM:12.12 (EXISTING)
<br />\16"MP \ IE: 8.74 36" SW (IN) (NEW)
<br />g0 .w r`+`+++`+`` NO �J SOU ,IE:6.78 60" SE (IN) (EXISTING)
<br />#+# # + + \ 1E:6.78 60" NW (OUT) (EXISTING)
<br />CELL 3 +++
<br />I: '.� \ 4
<br />;+ 1, \
<br />\ v- 57L11` 36" CPP -'O' 3.23%
<br />lu
<br />++++� CB-109
<br />CB-126 \ \ \ N: 363067.92
<br />N:363054:94. \ \,, E:1311486.41
<br />E:1311462:75 �, 3 ' \ �B-105
<br />so M\ \\\ iN.363060.31
<br />+,+, i \ \ 1:1 1495.43
<br />\ cn
<br />55LF 18" COP @ .30% 27LF 18 CPP ®6.06%
<br />CB-105A
<br />N:363042.53
<br />E:1311443.26 �' ++t+ \ \
<br />®
<br />+:.+ +.� + \ \
<br />+�
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<br />"` •/ \ \
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<br />CATCH BASIN (CB) SCHEDULE
<br />CB ID
<br />STRUCTURE
<br />COVER
<br />RIM
<br />IE
<br />CB-101
<br />TYPE 2-48"
<br />VANED GRATE
<br />19.12
<br />16.45 12" E (OUT)
<br />CB-102
<br />TYPE 2-48"
<br />VANED GRATE
<br />19.35
<br />15.88 12" W (OUT)
<br />15.71 12" W (IN)
<br />CB-102A
<br />TYPE 2-48"
<br />VANED GRATE
<br />19.64
<br />15.71 12" E (IN)
<br />15.22 18" SE (OUT)
<br />14.94 18" NW (IN)
<br />CB-103
<br />TYPE 2-48"
<br />SOLID LOCKING LID
<br />20.67
<br />14.44 24" SE (IN)
<br />14.44 24" NE (OUT)
<br />CB-104
<br />TYPE 2-48"
<br />BI-DIRECT. VANED GRATE
<br />19.36
<br />16.52 18" E (OUT)
<br />CB-105
<br />TYPE 2-48"
<br />BI-DIRECT. VANED GRATE
<br />19.61
<br />15.66 18" W (OUT)
<br />15.49 18" W (IN)
<br />CB-105A
<br />TYPE 2-48"
<br />SOLID LOCKING LID
<br />20.46
<br />15.49 18" E (IN)
<br />14.99 24" NW (OUT)
<br />14.37 24" SW (IN)
<br />CB-106
<br />TYPE 2-96"
<br />SOLID LOCKING LID
<br />20.36
<br />14.37 24" SE (OUT)
<br />15.72 8" NE (OUT)
<br />CB-107
<br />TYPE 2-60
<br />SOLID LOCKING LID
<br />19.96
<br />15.51 8" S (OUT)
<br />14.29 24" NW (IN)
<br />CB-108
<br />TYPE 2-60"
<br />SOLID LOCKING LID
<br />20.30
<br />15.44 8" N (IN)
<br />14.29 24" SE (OUT)
<br />12.08 18" SW (IN)
<br />CB-109
<br />TYPE 2-60"
<br />SOLID LOCKING LID
<br />19.73
<br />10.58 36" NW (IN)
<br />10.58 36" NE (OUT)
<br />14.82 18" NE (IN)14.82
<br />CB-125
<br />TYPE 2-48"
<br />SOLID LOCKING LID
<br />20.21
<br />18" SE (OUT)
<br />CB-126
<br />TYPE 2-48"
<br />SOLID LOCKING LID
<br />20.13
<br />13.71 18" NW (IN)13.71 18" NE (OUT)
<br />NORTH
<br />HORIZONTAL SCALE: 1"=30'
<br />30 0 30 60
<br />CITY OF EVERETT
<br />REVIEWED FOR PERMIT
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<br />PROJECT
<br />NO.
<br />18,831
<br />
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