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Home My WebLink AboutS-29550AIn Lb Cl) N n N r7 G i r -o• T 6- PAY LIMIT TRENCH BACKFILL 6' -0" FOR 8 " -6" SEWER LINES 3' -0 FOR ALL WATER MAINS SEE DETAIL FOR STREET RESTORATION REQUIREMENTS SUBSEQUENT BACKFILL MATERIAL (NATIVE IF APPROVED BY ENGINEER) OR IMPORT PER SECTION 9- 03.12(1)C (SELECT BACKFILL) OF THE SPECIAL PROVISIONS. PROPOSED 8" SEWER PIPE PROPOSED 8" WATER PIPE FOR SEWER PIPE: PIPE ZONE MATERIAL PER SECTION 9 -03.16 BEDDING MATERIAL FOR FLEXIBLE PIPE. FOR WATER PIPE: PIPE ZONE MATERIAL SHALL BE NATIVE MATERIAL UNLESS DEAMED UNSUITABLE BY THE ENGINEER, THEN PIPE ZONE MATERIAL PER SECTION 9- 06.13(3). EXCAVATION OF UNSUITABLE SOIL AND BACKFILL OF FOUNDATION MATERIAL (IF NECESSARY) DEPTH AS APPROVED BY ENGINEER. MATERIAL SHALL MEET SECTION 9- 03.9(1) BALLAST 8 " -6" C900 PVC & SDR 35 PVC SEWER PIPES TYPICAL TRENCH BEDDING AND BACKFILL NOTES: 1. PROVIDE UNIFORM SUPPORT UNDER BARREL 2. HAND TAMP UNDER HAUNCHES. 3. COMPACT PIPE ZONE MATERIAL TO 90% MINIMUM DENSITY EXCEPT DIRECTLY OVER PIPE WHERE COMPACTION WILL BE HAND TAMP ONLY. 4. PIPE MUST BE ANCHORED IN SUCH A MANNER AS TO ENSURE FLOW LINE IS MAINTAINED. 5. ALL EXCAVATION AND BEDDING AND BACKFILL MATERIALS BEYOND PAY LIMIT OF TRENCH SHALL BE INCLUDED WITHIN THE TRENCH EXCAVATION SAFETY SYSTEMS BID ITEM. CONSTRUCTION SEQUENCING 1. ALL CONSTRUCTION, INCLUDING FINAL RESTORATION, IN NE 16TH ST SHALL BE COMPLETED PRIOR TO JULY 1, 2002. 2. ALL CONSTRUCTION AND FINAL RESTORATION OF EACH STREET SEGMENT SHALL BE COMPLETED PRIOR TO BEGINNING CONSTRUCTION ON THE NEXT STREET SEGMENT. AN EXCEPTION WILL BE MADE IF THE CONTRACTOR USES MORE THAN ONE CONSTRUCTION CREW. THE CONTRACTOR MAY THEN BEGIN CONSTRUCTION ON A SECOND STREET SEGMENT HOWEVER, ALL CONSTRUCTION ON THE FIRST STREET SEGMENT SHALL BE COMPLETED PRIOR TO BEGINNING C-NSTRUCTION ON A THIRD STREET SEGMENT. � taiw�p- y�_ =9m 12" TYP TRENCH (SEE DETAILS) PAY LIMIT OF TRENCH PATCH PAYMENT ASPHALT CONCRETE PAVEMENT RESTORATION DETAIL NTS SAWCUT FINAL JOINT TYP. EACH SIDE EXIST. ASPH. CONC. PAVEMENT, TYP. 3" CL 'B' ASPHALT CONCRETE PATCH 6" CRUSHED SURFACING TOP COURSE BACKFILL (SEE BEDDING /BACKFILL DETAIL) NOTES: 1. ALL TRENCHES IN ROADWAY AREAS SHALL BE BACKFILLED AND PATCHED PER SPECIAL PROVISION 5 -06.1 AT END OF EACH WORK DAY. THIS WORK IS INCIDENTAL TO ALL TRENCH RESTORATION WORK. 2. THE FINAL SAWCUT JOINT SHALL BE A MINIMUM OF 1' BEYOND THE UNDISTURBED EDGE OF THE TRENCH. 3. ALL ASPHALT PATCH AREA OUTSIDE OF PAY LIMIT SHOWN SHALL BE CONSIDERED INCIDENTIAL TO OTHER ITEMS OF WORK. 4. ALL TEMPORARY PATCHES ON TRENCHES SHALL BE PERMANENTLY PATCHED WITHIN (2) WEEKS OF COMPLETION OF WORK WITHIN THE ROADWAY AREA UNLESS APPROVED BY THE ENGINEER. ROADWAY RESTORATION STANDARDS ROADWAY REBUILD: BLAINE AVE NE (1800 BLOCK TO NE 20TH ST), CAMAS AVE NE, DAYTON AVE NE, MONTEREY CT NE AND MONTEREY AVE NE (2400 BLOCK) REMOVE ALL EXISTING ASPHALT AND SUBSTANDARD SUBGRADE MATERIAL AND REPLACE WITH 6" CRUSHED SURFACING TOP COURSE AND 4" OF CLASS B ASPHALT CONCRETE PAVEMENT (TO BE DONE IN 2 -2" LIFTS). ALL ROADWAYS SHALL HAVE A 2% CROWN WITH THE CENTERLINE ELEVATIONS GOVERNED BY THE EXISTING GUTTER ELEVATIONS. DAYTON AVE NE (NO EXISTING CURBS & GUTTERS) SHALL MATCH PRECONSTRUCTION ELEVATIONS. ASPHALT PATCH & OVERLAY: MONTEREY AVE NE (1600 BLOCK) AND EDMONDS AVE NE PATCH UTILITY TRENCHES PER ASPHALT CONCRETE PAVEMENT RESTORATION DETAIL AS SHOWN ON THIS SHEET. THE CONTRACTOR SHALL PROVIDE CURB TO CURB ASPHALT GRINDING WHERE THE NEW OVERLAY TRANSITIONS TO THE EXISTING ASPHALT. THE ASPHALT GRINDING DEPTH SHALL TRANSITON FROM 0 INCHES TO 1 Y2 INCHES WITHIN 20 FEET. MONTEREY AVE NE SHALL HAVE A 20 FOOT LONG, CURB TO CURB GRIND AT THE SOUTH AND NORTH ENDS OF THE PROJECT AREA AND AT THE TRANSITION TO NE 17TH PL. EDMONDS AVE NE SHALL HAVE A 20 FOOT LONG, CURB TO CURB GRIND AT THE SOUTH AND NORTH ENDS OF THE PROJECT AREA AND A MINIMUM 6 FOOT LONG GRIND AT THE TRANSITION TO NE 25TH ST. ASPHALT OVERLAY SHALL BE 1 -Y2" OF CL B ASPHALT AND BE FULL STREET WIDTH TAPERING TO -Y4'• AT THE GUTTER. ASPHALT PATCH: NE 16TH ST AND BLAINE AVE NE (NE 16TH ST TO 1800 BLOCK) PATCH UTILITY TRENCHES PER ASPHALT CONCRETE PAVEMENT RESTORATION DETAIL AS SHOWN ON THIS SHEET. REVISION ..__PACE AS SHOWN JDH o� JDH f� DATUM DlAC CONSTRUCTION NOTES 1. CENTERLINE STATIONING IS BASED ON EXISTING CITY MONUMENTS FOR ALL STREETS IN THIS PROJECT. 2. VERTICAL CONTROL DATUM BASED ON NAVD 1988 (IN FEET) CITY BENCH MARK # 250: ELEV. = 307.11 FEET (93.606 METERS) TOP OF 1/4" BRASS PLUG SET IN CONCRETE MONUMENT 4' EAST OF CENTERLINE INTERSECTION OF ABERDEEN AVE NE. AND NE 16TH ST. CITY BENCH MARK If 71: ELEV. = 284.63 FEET (86.756 METERS) TOP OF ROUND MONUMENT IN MONUMENT CASE 4' EAST OF AS -BUILT INTERSECTION OF ABERDEEN AVE NE AND NE 12TH ST_ 3. UTILITY CROSSING LOCATIONS AND ELEVATIONS SHALL BE DETERMINED BY THE CONTRACTOR IN ADVANCE OF ANY CONSTRUCTION ACTIVITIES. 4. EXISTING PRIVATE IMPRO BddENTS S.':"..LL BE TEMPORARILY RELOCATED AND PERMANENTLY REPLACED TO ACCOMMODATE SERVICE CONSTRUCTION. 5. STATIONING SHOWN IN CENTERLINE OF ROADWAY OR SURVEY CONTROL LINES AS DEFINED BY THE CONTROL POINTS. 6. ALL MANHOLES SHALL HAVE LOCKING LIDS. 7. MATCH FINISH GRADE WITH ALL MANHOLE LIDS. 8. PROVIDE AS -BUILT INFORMATION SHOWING ALL INVERT AND RIM ELEVATIONS OF MANHOLE AND SIDE SEWER VERTICAL AND HORIZONTAL LOCATIONS. 9. INSTALL SEWER MAIN AND SERVICES A MINIMUM 2' FROM PARALLEL GAS LINES WHERE CONFLICT OCCURS. 10. ALL CEMENT CONCRETE DRIVEWAYS AND ALLEY APPROACHES SHALL BE 6" THICK. (IN ACCORDANCE WITH STANDARD PLAN X006, DRAWING #FRO1N)_ 11. REPLACE ALL DISTURBED CURB & GUTTERS IN ACCORDANCE WITH STANDARD PLAN # F008, DRAWING # FRO5 AND STANDARD PLAN # F001 "CEMENT CONCRETE CURB AND GUTTER_- 12. REPLACE ALL DISTURBED SIDEWALK IN ACCORDANCE WITH STANDARD PLAN # F007, DRAWING # FRO2_ 13_ WHERE UTILITY PIPE LINE VERTICAL SEPARATION IS LESS THAN (1) ONE FOOT. INSERT ETHAFOAM HS 600 PLANK -FOAM BOARD OR EQUAL AS CLEARANCE SEPARATION. 14. SIDE SEWERS SHALL HAVE A MINIMUM SLOPE OF 2% FROM THE SEWER MAIN TO THE ADJACENT PROPERTY LINE. SIDE SEWERS SHALL BE 6' -8' DEEP AT THE PROPERTY LINE UNLESS OTHERWISE NOTED ON THE CONSTRUCTION PLANS. s 6 # NORM - \S�EOFWASH,H is �P Ep9 9 23169 Q EOl, FGISTEPE SS�ONAL E�1G EXPIRES -7 _n CITY OF EAST KENNYDALE SANT ARY JAN 2002 RENTON SEWER INFILL PHASE 1 Planning /Building /Public Woks Deft. S_9 c X18 10 SCANNED SEP 13 2002 6 #