Granite Construction Company 5/24/2017

I i , , I NOTES i 1. AS ACCEPTABLE ALTERNATIVES TO THE REBAR SHOWN IN THE PRECAST BASE SECTION, FIBERS s PLACED ACCORDING TO THE STANDARD SPECIFICATIONS), OR WIRE MESH HAVING A MINIMUMARPIPE ALLOWANCES 12 SURE INCHS PER FOT SHA BEE USED OF WITH THHEAM MINIMUM EREQU R DO REBAR LL SHOWN IN THE ALTERNATIVE PRECAST BASE MAXIMUM SECTION. WIRE MESH SHALL NOT BE PLACED IN PIPE MATERIAL INSIDE I THE KNOCKOUTS. DIAMETER 2. THE KNOCKOUT DIAMETER SHALL NOT BE GREATER REINFORCED OR 12" THAN 18". KNOCKOUTS SHALL HAVE A WALL PLAIN CONCRETE THICKNESS OF 2" MINIMUM TO 2.5" MAXIMUM. I PROVIDE A 1.5" MINIMUM GAP BETWEEN THE ALL METAL PIPE 15" KNOCKOUT WALL AND THE OUTSIDE OF THE PIPE. AFTER THE PIPE IS INSTALLED, FILL THE GAP WITH JOINT MORTAR IN ACCORDANCE WITH WSDOT CPSSP * STANDARD SPECIFICATION 9-04.3. (WSDOT STD. SPEC. 9-05.20) 12" I g- 3. THTOETHEXIMUM LOWESTEPTH FROM THE PIPE INVERT SHALLIBEE5'GRADE SOLID WALL PVC 15" o (WSDOT STD. SPEC. 9-05.12(1)) I-- 4. THE FRAME AND GRATE MAY BE INSTALLED WITH PROFILE WALL PVC 15" I o THE FLANGE UP OR DOWN. THE FRAME MAY BE (WSDOT STD. SPEC. 9-05.12(2)) CAST INTO THE ADJUSTMENT SECTION. Q *CORRUGATED POLYETHYLENE I N STORM SEWER PIPE 5. THE PRECAST BASE SECTION MAY HAVE A ROUNDED m FLOOR, AND THE WALLS MAY BE SLOPED AT A RATE OF 1:24 OR STEEPER. m N 6. THE OPENING SHALL BE MEASURED AT THE TOP OF THE PRECAST BASE SECTION. a 7. ALL PICKUP HOLES SHALL BE GROUTED FULL AFTER THE INLET HAS BEEN PLACED. 773o v 0 Ln 0 I •I-1'=. it 0411110"-olit's% P..0 ,_ ,, #3 BAR EACH CORNER 111 w 18 MIN. D E_ 0 #3 BAR HOOP CD 0 SEE NOTE 1 ti ALTERNATIVE PRECAST BASE SECTION 0 0_ 0 Li as a, 4 WSDOT STD PLAN B-25.60, -Di ACCEPTABLE SUBSTITUTE 1 PRECAST CCNCRE I E 12-03e2010i a�-../- L INLET X01 i {;VERETT DEPARTMENT SHEET 2 OF 2 i OE Std Dwa:J