HomeMy WebLinkAbout201.00NOTES:
1.NO STEPS ARE REQUIRED WHEN HEIGHT IS 4' OR LESS.
2.THE BOTTOM OF THE PRECAST CATCH BASIN MAY BE
SLOPED TO FACILITATE CLEANING.
3.THE RECTANGULAR FRAME AND GRATE MUST BE
INSTALLED WITH THE FLANGE DOWN. THE FRAME MAY BE
CAST INTO THE ADJUSTMENT SECTION.
4.KNOCKOUTS SHALL HAVE A WALL THICKNESS OF 2"
MINIMUM TO 2.5" MAXIMUM. PROVIDE A 1.5" MINIMUM GAP
BETWEEN THE KNOCKOUT WALL AND THE OUTSIDE OF THE
PIPE. AFTER THE PIPE IS INSTALLED, FILL THE GAP WITH
JOINT MORTAR IN ACCORDANCE WITH STANDARD
SPECIFICATION 9-04.3.
5.ALL GRADE RINGS, RISERS, AND CASTINGS SHALL BE SET
IN MORTAR IN ACCORDANCE WITH STANDARD
SPECIFICATION 9-04.3.
6.WHEN CONNECTING TO A NEW PIPE, USE A FLEXIBLE
CONNECTOR (KOR-N-SEAL BOOT WITH CORRUGATED PIPE
ADAPTER OR APPROVED EQUAL). WHEN CONNECTING TO
AN EXISTING PIPE, USE A FABRICATED SAND COLLAR OF
THE SAME MATERIAL AS THE CONNECTING PIPE.
7.MORTAR SHALL BE MIXED AND APPLIED PER
MANUFACTURER'S DIRECTIONS.
8.FRAME SHALL BE ADJUSTED TO PAVEMENT GRADE BY
TAPPING UNTIL FRAME IS FLUSH WITH PAVEMENT AS
DETERMINED WITH A STRAIGHT EDGE OF SUFFICIENT
LENGTH.
9.ALL MORTAR JOINTS SHALL BE TRIMMED FLUSH AND
REMAIN VISIBLE UPON COMPLETION.
CATCH BASIN FRAME AND VANED
GRATE PER STD. PLAN 204.00
RECTANGULAR OR CIRCULAR ADJUSTMENT
SECTION (TWO SECTIONS MAX.)
MORTAR, (TYP.), SEE NOTE 5
FLAT SLAB TOP
SEE NOTE 6, TYP.
REINFORCING STEEL, (TYP.)
GRAVEL BACKFILL FOR PIPE ZONE
BEDDING PER WSDOT STD.
SPECIFICATION SECTION 9-03.12(3)
INTEGRAL BASE
PRECAST WITH RISER
STEPS OR
LADDER
4" MIN.
16" MAX.28" MAX.
48", 54", 60", 72", 84",
96", 120" OR 144"
12" (TYP.)
24"
MIN.12" MAX.
1" MIN.
2.5" MAX.
12"
6"
15' MAX. FOR
MAINTENANCE
SEPARATE BASE
PRECAST
"O" RING
12"
6"
CATCH BASIN DIMENSIONS
CATCH BASIN
DIAMETER
MIN. WALL
THICKNESS
MIN. BASE
THICKNESS
MAXIMUM
KNOCKOUT SIZE
MINIMUM
DISTANCE
BETWEEN
KNOCKOUTS
48"4"6"36"8"
54"4.5"8"42"8"
60"5"8"48"8"
72"6"8"60"12"
84"8"12"72"12"
96"8"12"84"12"
120"10"12"96"12"
144"12"12"108"12"
PIPE ALLOWANCES
CATCH BASIN
DIAMETER
PIPE MATERIAL WITH MAXIMUM INSIDE DIAMETER
CONCRETE ALL METAL CPSSP 1 SOLID WALL
PVC 2
PROFILE WALL
PVC 3
48"24"30"24"30"30"
54"30"36"30"36"36"
60"36"42"36"42"42"
72"42"54"42"48"48"
84"54"60"54"48"48"
96"60"72"60"48"48"
120"66"84"60"48"48"
144"78"96"60"48"48"
1 CORRUGATED POLYETHYLENE STORM SEWER PIPE (STD. SPEC. 9-05.20)
2 STD. SPEC. 9-05.12(1)
3 STD. SPEC. 9-05.12(2)
CATCH BASIN TYPE 2
STD. PLAN - 201.00
PUBLIC WORKS
DEPARTMENT
APPROVED:
DATEGregg Zimmerman
Public Works Administrator
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
9/28/2018 | 9:45 AM PDT