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11111111 UN N 111111111 M. NM UM MN INK MI I illii ilill OM M illi M alli NM <br /> 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 /> ADJUSTMENT SECTION <br /> INSTALLED WITH THE FLANGE UP OR DOWN.THE <br /> >c-f— r f FRAME MAY BE CAST INTO THE ADJUSTMENT <br /> FLAT SLAB TOP 2 SECTION. <br /> PIPE ALLOWANCES 4. KNOCKOUTS SHALL HAVE <br /> HIV <br /> co 2"MINIMUM T02.5"MAXIMUM. PROVIDER <br /> " CATCH PIPE MATERIAL WITH MAXIMUM INSIDE DIAMETER 1.5"MINIMUM GAP BETWEEN THE KNOCKOUT <br /> J L I BASIN ALL CPSSP SOLID PROFILE WALL AND THE OUTSIDE OF THE PIPE. AFTER THE <br /> PIPE IS INSTALLED,FILL THE GAP WITH J <br /> DIAMETER CONCRETE METAL (a) WALL WALL PVC(b) PVC(c) MORTAR INACCORDANCE WITH WSDOT <br /> OINT <br /> STANDARD SPECIFICATION 9-04.3. <br /> 48" 24" 30" 24" 30" 30" <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 /> 72" 42" 54" 42" 48" 48" 6. FOR MANHOLE COVER SEE STANDARD DRAWING <br /> Z MORTAR TYP <br /> 610 AND 611.REFER TO DESIGN AND <br /> xa z 84" 54" 60" 54" 48" 48' <br /> CONSTRUCTION STANDARDS AND <br /> z 96" 60" 72" 60" 48" 48" SPECIFICATIONS SECTION 4 FOR ADDITIONAL <br /> a. CORRUGATED POLYETHYLENE STORM SEWER PIPE,WSDOT REQUIREMENTS. <br /> s STANDARD PLAN 9-05.20. <br /> 7. STEPS PER STANDARD DRAWING 609. <br /> 0 a 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 x <br /> 2 o- a REINFORCING CATCH <br /> WALL BASE MAXIMUM MINIMUM <br /> _ . DISTANCE <br /> .. STEELTYP BASIN KNOCKOUT <br /> `" ~IV " DIAMETER THICKNESS THICKNESS SIZE BETWEEN <br /> KNOCKOUTS <br /> 12"• 48" 4" 6 36" 8" <br /> upt 54" 4.5 8" 42" 8" <br /> 60" 5" 8" 48" 8" <br /> SEPARATE BASE INTEGRAL BASE 72" 6" 8" 60" 12" <br /> PRECAST PRECAST WITH RISER <br /> 84" <br /> F (48"TO 72"ONLY) GRAVEL 8" 12" 72" 12" <br /> '2,- 96" 8" 12" 84" 12" <br /> BACKFILL FOR <br /> MORTAR 12 PIPE ZONE <br /> 27 FILLET— C BEDDING <br /> CI <br /> WSDOT STD PLAN B-10.20-01 ACCEPTABLE SUBSTITUTE <br /> s 1 �► CITY OF EVERETT <br /> 47-7- PUBLIC WORKS DEPARTMENT <br /> 0 <br /> SEPARATE BASE `- GRAVEL BACKFILL FOR ,"(RUN SASS IHEATHERERIFFINI"RAUt WILHELM Ic W"WRB 637077'2017 <br /> I` CAST-IN-PLACE PIPE ZONE BEDDING <br /> I <br /> 6 CATCH BASIN TYPE 2 405 <br /> I I <br />