HomeMy WebLinkAboutApproved Drainage_Plan_Towns_on_12th_Bldg_8_20250710_v2UNIT
1940-A
UNIT
1940-A
UNIT
1640
UNIT
1640
BLDG. 8
ROW 2
20
22 21
23
ROW 421008
DESIGN
12100 NE 195th St, Suite 300 Bothell, Washington 98011 425.885.7877
CIVIL ENGINEERING
LANDSCAPE ARCHITECTURE
PLANNING
SURVEYING
BUILDING 8 7/3/25
LEGAL DESCRIPTION
TYPICAL CLEANOUT CONFIGURATION
GENERAL NOTES:
1.CLEANOUTS FOR UNDERDRAIN, FOOTING DRAIN COLLECTOR, AND ROOF DRAIN COLLECTOR PIPES SHALL BE INSTALLED AT A MINIMUM OF EVERY 100 FEET, AT
EVERY 90 DEGREE OR SECOND 45 DEGREE BEND, AT THE END OF EVERY COLLECTOR PIPE, AND AT EACH END OF AN UNDERDRAIN PIPE NOT CONNECTED TO AN
OVERFLOW STRUCTURE. CLEANOUTS SHALL BE INSTALLED TO ALLOW FOR MAINTENANCE ACCESS TO ALL PIPES.
2.ALL FITTINGS SHALL BE SOIL TIGHT.
3.CLEANOUT RISER SHALL BE LOCATED OUTSIDE OF BIORETENTION PONDING WHERE POSSIBLE.
4.CLEANOUTS SHALL NOT BE LOCATED WITHIN THE STREET TRAVEL LANE, UNLESS OTHERWISE APPROVED BY THE CITY.
DESIGN PONDING
ELEVATION
SOIL TIGHT 45° BEND
EXTEND CLEANOUT RISER
2" ABOVE DESIGN PONDING
ELEVATION OR PER PLAN
4" STREAMBED COBBLES
PER WSDOT 9-03.11(2)
SOIL TIGHT
COUPLER
UNDERDRAIN, FOOTING
DRAIN COLLECTOR, OR
ROOF DRAIN COLLECTOR
PIPE, SEE NOTE 1
WYE
MECHANICAL PLUG OR
CONTINUED CONNECTION
FERNCO GASKETED
QUIK CAP OR SIMILAR
CAST IRON FRAME AND
COVER, SEE NOTE 3
CLEANOUT RISER, SEE NOTE 2
PAVED AREA (TYP.)
TO OVERFLOW
STRUCTURE OR
STORM MAIN
CLEANOUT RISER LOCATED WITHIN
BIORETENTION PONDING AREA
NOTES:
1.DIAMETER TO BE 6-INCHES MINIMUM PRIVATE, 8-INCHES MINIMUM PUBLIC. UNDERDRAIN PIPE PER STD. PLAN 262.10.
2.CLEANOUT RISER SHALL BE SAME MATERIAL AS CONNECTED UNDERDRAIN, FOOTING DRAIN COLLECTOR, OR ROOF DRAIN COLLECTOR PIPE.
3.FRAME AND COVER SHALL BE EJ PRODUCTS 3675Z1PT AND 3675APT OR APPROVED EQUAL. COVER TO BE LOCKING WITH ALLEN HEAD BOLT, MARKED "STORM" OR
DRAIN".
4.FOR CLEANOUTS FULLY OR PARTIALLY WITHIN UNPAVED AREAS OUTSIDE OF BIORETENTION PONDING AREA, POUR 8" THICK, 2'x2' SQUARE CONCRETE COLLAR
AROUND FRAME. CONCRETE COLLAR SHALL HAVE A MINIMUM COMPRESSIVE STRENGTH OF 3,000 PSI.
CLEANOUT RISER,
SEE NOTE 2
FRAME SECTION
10-1/2" DIA
4"
5/8"9" DIA
15" DIA
8-1/8" DIA
8-13/16" DIA
5/8"
COVER SECTION
MADE INUSA
1"
PLAN VIEW
PROD NO.3/4" FLAT
FACE GOTHIC 2) 3/8"-16 SS SOCKET
HEAD CAP SCREW (ALLENHEAD)
W/WSHRS ON A 8" DIA
BOLT CIRCLE 1)
OPENPICKHOLE
12"12"4" COMPACTED
SAND OR GRAVEL BACKFILL
FOR DRAINS PER WSDOT 9-03.
12(4)8"
CLASS "B"ASPHALT, SEE
NOTE 4 STORM
SYSTEM CLEANOUT STD. PLAN -
226.00
PUBLIC
WORKS
DEPARTMENTAPPROVED:
DATEMartin Pastucha Public
WorksAdministrator UNLESS OTHERWISENOTED, DRAWINGISNOT TO
SCALE (NTS)DocuSign Envelope ID: 3B1B34D3-7E0A-476C-
ADB3-4329FFE0C108 8/13/2020 | 8:48