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NOTES <br /> PIPE ALLOWANCES 1. AS ACCEPTABLE ALTERNATIVES TO THE REBAR <br /> SHOWN IN THE PRECAST BASE SECTION, FIBERS <br /> MAXIMUM (PLACED ACCORDING TO THE WSDOT STANDARD <br /> PIPE MATERIAL INSIDE SPECIFICATIONS), OR WIRE MESH HAVING A <br /> DIAMETER MINIMUM AREA OF 0.12 SQUARE INCHES PER FOOT <br /> REINFORCED OR SHALL BE USED WITH THE MINIMUM REQUIRED <br /> PLAIN CONCRETE 1211 REBAR SHOWN IN THE ALTERNATIVE PRECAST BASE <br /> FRAME AND VANED GRATE SECTION. WIRE MESH SHALL NOT BE PLACED IN THE <br /> ALL METAL PIPE 1511 KNOCKOUTS. <br /> *CPSSP 1211 2. THE KNOCKOUT DIAMETER SHALL NOT BE GREATER <br /> (WSDOT STD. SPEC. 9-05.20) THAN 20". KNOCKOUTS SHALL HAVE A WALL <br /> SOLID WALL PVC THICKNESS OF 2" MINIMUM TO 2.5" MAXIMUM. <br /> ,Lp p (WSDOT STD. SPEC. 9-05.12(1)) 15" PROVIDE A 1.5" MINIMUM GAP BETWEEN THE <br /> 15" KNOCKOUT WALL AND THE OUTSIDE OF THE PIPE. <br /> PROFILE WALL PVC AFTER THE PIPE IS INSTALLED, FILL THE GAP WITH <br /> WSDOT STD. SPEC. 9-05.12 2 JOINT MORTAR IN ACCORDANCE WITH STANDARD <br /> S <br /> CORRUGATED POLYETHYLENE WSDOT SPECIFICATION 9-04.3. <br /> STORM SEWER PIPE <br /> 3. THE MAXIMUM DEPTH FROM THE FINISHED GRADE <br /> TO THE LOWEST PIPE INVERT SHALL BE 5.5'. <br /> 211, 4", 6", 12" OR 24" 4. THE FRAME AND GRATE MAY BE INSTALLED WITH <br /> THE FLANGE DOWN, OR INTEGRALLY CAST INTO THE <br /> ADJUSTMENT SECTION WITH FLANGE UP. <br /> 5. THE PRECAST BASE SECTION MAY HAVE A ROUNDED <br /> FLOOR, AND THE WALLS MAY BE SLOPED AT A RATE <br /> ONE #3 BAR HOOP FOR 6" HEIGHT OF 1:24 OR STEEPER. <br /> INCREMENT, SPACED EQUALLY <br /> 6. THE OPENING SHALL BE MEASURED AT THE TOP OF <br /> RECTANGULAR ADJUSTMENT SECTION THE PRECAST BASE SECTION. <br /> 7. ALL PICKUP HOLES SHALL BE GROUTED FULL AFTER <br /> THE BASIN HAS BEEN PLACED. <br /> (see <br /> NO2 <br /> S�1�O� /// �� �6) <br /> I <br /> ell <br /> I <br /> 0 <br /> #3 BAR EACH fi' I/ / I #3 BAR EACH <br /> z CORNER I //I I I CORNER <br /> 18 MIN <br /> w <br /> I z <br /> � #3 BAR HOOP <br /> o <br /> #3 BAR HOOP <br /> WSDOT STD PLAN B-5.20-01 ACCEPTABLE SUBSTITUTE <br /> CITY OF EVERETT <br /> V <br /> z <br /> #3 BAR EACH SIDE PUBLIC WORKS DEPARTMENT <br /> #3 BAR EACH WAY CiyEngineer Section Manager CAD Manager Drawn ey Current Rev Date <br /> ALTERNATIVE PRECAST BASE SECTION RYANSASS HEATHER GRIFFIN PAULWILHELM WRB 03/07/2017 <br /> a <br /> PRECAST BASE SECTION TITLE <br /> STANDARD DRAWING No. <br /> a (SEE NOTE 1) CATCH BASIN TYPE 1 <br /> 402 <br />