2702 FEDERAL AVE 2017-05-23 - Laserfiche WebLink

SOLID RIM 9' T_3T(C EX 54" CMP MH RIM EL=18.40 PAVEMENT PER CAST FRAME INTO 6 N 3'-0"t OFC1 CONSTRUCTION SEQUENCE FOR SDMH REPAIR: 48" HDPE SDR26 PIPE PNEUMATIC PIPE PLUG CONC TOP SLAB ; GRAVEL BORROW 1. SAWCUT ASPHALT AROUND EXISTING SDMH AND EXCAVATE SOILS FOR SDMH REPAIR WITH 6"-12" RANGE PER 6'x6'x10" 1 TO EXPOSE APPROXIMATELY TOP 6" OF 54" CMP. EXPOSING TOP GROUT FROM ABOVE, SPILL SOURCE, PART REINFORCED I -e o' WILL PREVENT SOILS FROM FALLING INTO MANHOLE. NUMBER 395128 OR CONC TOP SLAB O<• Q ° SPACE BETWEEN EX APPROVED EQUAL. / SEE SHT C3.1 - �- I 2. DEMOLISH EXISTING SDMH RIM AND RISERS. OPENING SHALL BE 54" CMP MH AND 48" ABANDON IN PLACE / e �� I--' ° �' COVERED WITH A STEEL PLATE AT ALL TIMES EXCEPT DURING EX 8" CMP HDPE PIPE SDMH //" 1 NECESSARY REPAIR WORK _ a ._• U. (PERF PIPE) ° a EX CONC CAP - :; .,.r:.-:. 3. 4 VERIFY DEPTH OF EXfSTING 54" CMP, LOCATION OF INLET AND o OUTLET PIPES AND VERIFY THAT THE VERTICAL ALIGNMENT OF THE EX 8" CMP (PERF PIPE) I 54" CMP WILL ACCEPT THE PROPOSED 48" DIAMETER HDPE PIPE _ M SLEEVE. NOTIFY ENGINEER IF CONDITIONS ARE FOUND DIFFERENT PNEUMATIC PIPE PLUG THAN ILLUSTRATED ON PLANS. WITH 6"-12" RANGE, PER 3/4"0 HEAVY HEX BOLTS, SPILL SOURCE, PART NUTS AND WASHERS - 4. CUT ALL EXISTING LADDER RUNGS FLUSH WITH INSIDE WALL OF 54" , NUMBER 395128 OR CMP. PLUG EXISTING VOID SPACE AND HOLE WITH GROUT BAGS OR TYPE 316 SS, TYP EX BULKHEAD APPROVED EQUAL. � - SIMILAR. PLUG EX 8" PERF PIPES PER PLAN DETAILS. ABANDON IN PLACE 28" FABRICATED HDPE \ FLANGED PIPE STUB, SEE - COMPACTED SUBGRADE 5. INSERT HDPE PIPE SLEEVE INTO MH AND DRILL PILOT HOLES TO 22" FABRICATED HDPE DETAIL 2 BELOW. MARK INLET AND OUTLET PIPE LOCATIONS. FLANGED PIPE STUB. / - 6. CUT PILOT HOLES TO DIAMETER OF EXISTING INLET AND OUTLET SEE DETAIL 2 BELOW. EX 30" CMP48" HDPE SDR26 PIPE APPROX GROUNDWATER HIGH EL=+9.5' PIPES. - _ FOR SDMH REPAIR - 7. REMOVE 48" HDPE PIPE FROM 54" CMP, FIT FABRICATED PIPE EX 24" SO STUBS TO CUT HOLES. DRILL BOLT HOLES AND SECURE PIPE STUBS - TO 48" HDPE PIPE WITH SS BOLTS. REMOVE PIPE STUBS AND APPROX GROUNDWATER LOW EL=+7.0' `. APPLY 5200 MARINE SEALANT TO EXTERIOR WASHER TO BOND -- - = BOLT/WASHER TO EXTERIOR OF PIPE AND SECURE BOLTS WITH / - PLUG VOID SPACE AND HOLE NUTS ON INSIDE OF PIPE. SEALANT WILL HELP HOLD BOLT STUDS / EX 54" CMP MANHOLEIN EXISTING 54" CMP IN PLACE WHEN PIPE IS LOWERED BACK IN HOLE. FABRICATED HDPE POLYPROPYLENE LADDER TO GROUT OR SIMILAR PRIOR 8. DRILL HOLES AND SECURE TWO 3/4" THREADED RODS (CROSSED) 12' FLANGED PIPE STUB C3.3 C3.3 PER COE STD DWG 606. - TO FILLING ANNULAR SPACE FROM END OF PIPE. RODS WILL SECURE HDPE PIPE TO NEW ANCHOR TO HDPE PIPE BETWEEN PIPES W/GROUT CONCRETE BASE. WITH Yz" SS BOLTS, EX 8" PERF PIPE (2) 9. INSTALL PRE-FABRICATED LADDER PER COE STD DWG 606. ANCHOR WASHERS AND NUTS 1 SDMH REPAIR PLAN - TO HDPE PIPE WITH 74" SS BOLTS, WASHERS AND NUTS. GROUT SMOOTH CHANNEL BETWEEN PIPE INVERTS. 10. LOWER 48" HDPE PIPE INTO 54" CMP AND ALIGN OPENINGS WITH 63.1 C3.3 SCALE: 1"=2' EX 24" CMP SD - EX 30' CMP EXISTING PIPE LOCATIONS. -- 11. INSERT FABRICATED HDPE FLANGED PIPE STUB INTO EXISTING 30" & 24" PIPES. SECURE FABRICATED HDPE FLANGED PIPE STUB TO 48" HDPE WALL WITH 5200 MARINE SEALANT, WASHERS, AND NUTS. EMBED 48" HDPE PIPE - 48" HDPE PIPE INTO 2' THICK CONC BASE-,,, IE= -2.251, 12. PROVIDE TEMPORARY SEAL AT END OF PIPE STUB TO ENSURE CONTRACTOR TO FIELD COMPLETE COVERAGE AROUND NEW PIPE. 5200 MARINE SEALANT SS WASHER, TYP 3/4' GS THREADED ROD - VERIFY IE THRU-BOLTED TO 48" HDPE 13. APPLY WEIGHT TO TOP OF 48" HDPE PIPE TO SECURE IN PLACE. FABRICATED HDPE PIPE t12" FROM END OF PIPE. 4 - 2' DEPTH NON-SHRINK INJECTION GROUT, FROM ABOVE, SPACE BETWEEN EXISTING 54" CMP r4''0 HEAVY HEX BOLTS, FLANGED PIPE STUB SECURE TO PIPE WITH GS UNDERWATER GROUT AND 48" HDPE PIPE. STOP GROUTING IF GROUT BECOMES VISIBLE NUTS AND WASHERS, AT END OF PIPE STUBS. CONTINUE GROUTING UNTIL SPACE AND TYPE 316 SS, TYP LENGTH = 1'-6" MIN, EX PIPE, SIZE NUTS & WASHERS. EL= -4.5 t SEE PLAN FOR SIZE VARIES - ---- - - VOIDS ARE FILLED AND GROUT REACHES GROUND SURFACE. (2 LOCATIONS) --y 4- 6" EX CONC SLAB 14. VERIFY COMPLETE COVERAGE AROUND NEW HDPE PIPE STUBS. p PACK GROUT AT END OF PIPE STUB TO PROVIDE A WATER TIGHT FLANGED END OF PIPE S D PVI H REPAIR DETAIL SEAL. ALSO VERIFY THAT GROUT FORMS A SMOOTH SLOPED 3 STUB TO BE CURVED B TRANSITION BETWEEN PIPE STUB AND EXISTING PIPE TO MINIMIZE 3.3 63.3 TO FIT INSIDE 48" HDPE 1'-6" MIN PACK GROUT AND C3.0 C3.3 SCALE: 1"=2' DEBRIS FROM CATCHING AND OBSTRUCTING FLOW. PIPE, SEE NOTE 1 FABRICATED LENGTH TAPER FOR SMOOTH TRANSITION AND 15. CLEAN SEDIMENT/DEBRIS FROM MANHOLE. POUR CONCRETE INTO SEAL 54" CMP (2' DEPTH MAX) AND LET CONCRETE CURE. WATER ION a FABRICATED HDPE °) ^^^^^-��^^^^^'�^^'•^^' FLANGED PIPE STUB, BOLT SPACING TABLE 16. EXCAVATE SOILS TO EXPOSE EXISTING SUBGRADE. 6'- o ° o SEE BOLT SPACING 0 o TABLE PIPE STUB DIMENSIONAL I 17. CAST IN PLACE 6'X6' PRECAST REINFORCED CONCRETE TOP SLAB. 0 o T SPACING RATIO BOL ROUGHEN FULL GROUT o 0 DI AM 0 18. GROUT CHANNEL AT BOTTOM OF 48" HDPE PIPE TO PROVIDE LENGTH OF FLANGED ° o SMOOTH TRANSITION BETWEEN PIPE INVERTS. NOTES: 28" DR32.5 (63 PSI) 7.065" PIPE STUB, TYP 0 0 1. FLANGE MATERIAL SHALL BE OF 3/4"0 HEAVY HEX o ° 22" DR32.5 (63 PSI) 7.065" 19. AT END OF CONSTRUCTION, INSPECT TO CONFIRM PIPE STUBS & EQUAL OR GREATER STRENGTH BOLTS, NUTS, AND FLOWLINE ARE FREE OF GROUT AND CONSTRUCTION DEBRIS. VERIFY THAN THE PIPE STUB. WASHERS, TYPE THAT THE ANNULAR SPACE AROUND EACH PIPE STUB HAS A 316SS SEE BOLT WATER-TIGHT GROUT SEAL. FABRICATED HDPE SPACING TABLE FLANGED PIPE STUB 2FLANGED PIPE STUB DETAIL 3 BOLT PATTERN C3.3 C3.3 SCALE: NTS C3.3 C3.3 SCALE: NTS NOTE: FULL SIZE IS 22" x 34" `ROIEDT ENGINEER: SCALE: PORT OF EVERETT DWG. NO. rr rya D. OATES AS SHOWN C3.3 uDESIGNED BY: DATE: D U N LA P BULKHEAD (- Port o,f J. BECKER 7/27/2015 ciP No. � � RENOVATION 1-o-o1s-o1 ' - _ DRAWN BY: CHECKED BY: 16015th Avenue,Suite 1300 J. BECKER D. OATES PROJECT P.O. BOX 538 Seattle,Washington 98101 7/27/15 XXX ISSUED FOR BID. •� APPROVED BY-. STORM DRAIN MANHOLE NO. MT-HT-2015-06 EVERETT, WA 98206 Ci (425) 259-3164 (206)382-0600 Fax(206)382-0500 N0. REVISION N0. DATE BY REPAIR DETAILS SHEET N0. 10 OF 23 DATE BY REVISION