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111111 1 111111 1 1 1 1 N 1 MN 1 1 NS 111111 111111 1 1 1 OS <br /> 1 I <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 /> ADJUSTMENT SECTION INSTALLED WITH THE FLANGE UP OR DOWN.THE <br /> 1 f I FRAME MAY BE CAST INTO THE ADJUSTMENT <br /> FLAT SLAB TOP A SECTION. <br /> �� PIPE ALLOWANCES 4. KNOCKOUTS SHALL HAVE A WALL THICKNESS OF <br /> 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 /> PH'E IS DIAMETER CONCRETE METAL (a) VL <br /> C(b) PVWALL C(c) MORTAR IN ACCORDANCE WITH FILL THE GAP WITH <br /> DOOINT <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 MEET THE <br /> LADDER REQUIREMENTS OF AASHTO M199. <br /> SEE TABLE 60" 36" 42" 36" 42" 42" <br /> w <br /> MORTAR TYP 72" 42" 54" 42" 48" 48" 6. FOR MANHOLE COVER SEE STANDARD DRAWING <br /> 610 AND 611.REFER TO DESIGN AND <br /> z _ 84" 54" 60" 54" 48" 48" CONSTRUCTION STANDARDS AND <br /> 96" 60" 72" 60" 48" 48" SPECIFICATIONS SECTION 4 FOR ADDITIONAL <br /> o a. CORRUGATED POLYETHYLENE STORM SEWER PIPE,WSDOT REQUIREMENTS. <br /> , STANDARD PLAN 9-05.20. 7. STEPS PER STANDARD DRAWING 609. <br /> o FLOW b. WSDOT STANDARD PLAN 9-05.12(1). <br /> FLOW c. WSDOT STANDARD PLAN 9-05.12(2). <br /> ( __......____ <br /> CATCH BASIN DIMENSIONS <br /> ' REINFORCING CATCH MAXIMUM MINIMUM <br /> MOW <br /> WALL BASE DISTANCE <br /> STEEL TYP BASIN KNOCKOUT <br /> N DIAMETER THICKNESS THICKNESS SIZE BETWEEN <br /> 12" -4 KNOCKOUTS <br /> /er–*T. • 48" 4" 6" 36" 8" <br /> a "0"RING J�.-��::i:-1 V t::4. i . :S44 4"= i%f a riVte Io 54" 4.5" 8" 92" 8" <br /> 60" 5" 8" 48" 8" <br /> SEPARATE BASE INTEGRAL BASE <br /> g 72" 6" 8" 60" 12" <br /> i PRECAST PRECAST WITH RISER <br /> (48"TO 72"ONLY) GRAVEL 84" 8" 12" 72" 12"96" 8" 12" 84" 12" <br /> 1 BACKFILL FOR <br /> MORTAR 12" PIPE ZONE <br /> 2 FILLET—� BEDDING <br /> n WSDOT STD PLAN B-10.20-01 ACCEPTABLE SUBSTITUTE <br /> ID I �` CITY OF EVERETT <br /> ErT PUBLIC WORKS DEPARTMENT <br /> SEPARATE BASE GRAVEL BACKFILL FOR m VAN SASS IxEA xvn"cRIFeu+l"�IVc"6msEan+ I Wae p f 6772017 <br /> til <br /> CAST-IN-PLACE PIPE ZONE BEDDING STA"°E°°°""X. <br /> CATCH BASIN TYPE 2 405 <br /> IN <br /> f <br /> 1 <br />