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I 1 <br /> CATCH BASIN FRAME AND NOTES <br /> VANED GRATE OR 1. NO STEPS ARE REQUIRED WHEN HEIGHT IS 4'OR <br /> MANHOLE RING AND COVER LESS. <br /> 2. THE BOTTOM OF THE PRECAST CATCH BASIN MAY <br /> /�RECTANGULAR ADJUSTMENT BE SLOPED TO FACILITATE CLEANING. <br /> / SECTION OR CIRCULAR 3. THE RECTANGULAR FRAME AND GRATE MAY BE <br /> -1 ' ADJUSTMENT SECTION INSTALLED WITH THE FLANGE UP OR DOWN.THE <br /> FRAME MAY BE CAST INTO THE ADJUSTMENT <br /> FLAT SLAB TOP—\ 7 x¢ SECTION. <br /> to 7.4 <br /> 2 PIPE ALLOWANCES 4. KNOCKOUTS SHALL HAVE A WALL THICKNESS OF <br /> N 2"MINIMUM TO 2.5"MAXIMUM. PROVIDE A <br /> CATCH PIPE MATERIAL WITH MAXIMUM INSIDE DIAMETER 1.5"MINIMUM GAP BETWEEN THE KNOCKOUT <br /> J BASIN ALL CPSSP SOLID PROFILE WALL AND THE OUTSIDE OF THE PIPE. AFTER THE <br /> DIAMETER CONCRETE METAL (a) VC(b) PVC(c) MORTAR IN ACCORDANCE WITH WSDOT <br /> WALL WALL PIPE IS INSTALLED,FILL THE GAP WITH OINT <br /> 48" 24" 30" 24" 30" 30" STANDARD SPECIFICATION 9-04.3. <br /> STEPS OR 54" 30" 36" 30" 36" 36" 5. CONCRETE STRUCTURE SHALL MEETTHE <br /> LADDER REQUIREMENTS OF AASHTO M199. <br /> SEE TABLE 60" 36 42 36" 42" 42' <br /> w � - <br /> Z MORTAR TYP 72" 42 54" 42" 48" 48" 6. FOR MANHOLE COVER SEE STANDARD DRAWING <br /> 'IL' 84 54" 60" 54 48" 48" 610 AND 611.REFER TO DESIGN AND <br /> CONSTRUCTION STANDARDS AND <br /> 7— 96" 60" 72" 60" 48" 48" SPECIFICATIONS SECTION 4 FOR ADDITIONAL <br /> o zr \� a. CORRUGATED POLYETHYLENE STORM SEWER PIPE,WSDOT REQUIREMENTS. <br /> " STANDARD PLAN 9-05.20. 7. STEPS PER STANDARD DRAWING 609. <br /> 2 tia FLOW / b. WSDOT STANDARD PLAN 9-05.12(1). <br /> FLOW _ c. WSDOT STANDARD PLAN 9-05.12(2). <br /> CATCH BASIN DIMENSIONS <br /> Z <br /> a REINFORCING CATCH MAXIMUM MINIMUM <br /> ` 2 WALL BASE DISTANCE <br /> STEELTYP BASIN KNOCKOUT <br /> `" ^i DIAMETER THICKNESS THICKNESS SIZE BETWEEN <br /> I 12„ KNOCKOUTS <br /> rr-- 48" 4" 6" 36" 8" <br /> "0"RING �• "i �.�! it!4�': '�'� �! • ,,�; p 54" 4.5" 8" 42" 8„ <br /> 60" 5" 8" 48" 8" <br /> 3 SEPARATE BASE INTEGRAL BASE 72„ 6" 8" 60" 12" <br /> i PRECAST PRECAST WITH RISER <br /> 84" 8" 12" 72" 12" <br /> s (48"TO 72"ONLY) GRAVEL <br /> 2 BACKFILL FOR 96" 8" 12" 84" 12" <br /> 0 MORTAR 12 PIPE ZONE <br /> P. FILLET BEDDING WSDOT STD PLAN B-10.20-01 ACCEPTABLE SUBSTITUTE <br /> on . , ,;; . <br /> CITY OF EVERETT <br /> PUBLIC WORKS DEPARTMENT <br /> g <br /> SEPARATE BASE GRAVEL BACKFILL FOR RvnNsnss IHEATHEPGRIEFINI VAULWLHELM I'""WRR 0 07/2017 <br /> mu <br /> CAST-IN-PLACE PIPE ZONE BEDDING .........A.A. <br /> 1I CATCH BASIN TYPE 2 405 <br /> I I— <br /> M MN UN NE NE 11111 1111111 MN MI EN <br />