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Home My WebLink AboutS-295514In 0) N i\ N 5171111 1 1 6. 4 Wan 1 PAY LIMIT TRENCH BACKFILL 6' -0" FOR 8 " -6" SEWER LINES S -0 FOR ALL WATER MAINS SAWCUT FINAL JOINT TYP. EACH SIDE SEE DETAIL FOR STREET \— EXIST_ ASPH. CONC. PAVEMENT, TYP. RESTORATION REQUIREMENTS 12" 3" CL 'B' ASPHALT CONCRETE PATCH TYP .TRENCH SUBSEQUENT BACKFILL MATERIAL (SEE DETAILS)' (NATIVE IF APPROVED BY ENGINEER) PAY LIMIT OF TRENCH OR IMPORT PER SECTION 9- 03.12(1)C (SELECT BACKFILL) OF THE SPECIAL PROVISIONS. 6" CRUSHED SURFACING TOP COURSE PROPOSED 8" SEWER PIPE BACKFILL PROPOSED 8" WATER PIPE PATCH PAYMENT (SEE BEDDING/BACKFILL DETAIL) FOR SEWER PIPE. PIPE ZONE MATERIAL PER SECTION 9 -03.16 BEDDING MATERIAL FOR ASPHALT CONCRETE PAVEMENT FLEXIBLE PIPE. FOR WATER PIPE. PIPE ZONE MATERIAL SHALL BE RESTORATION DETAIL NATIVE MATERIAL UNLESS DEAMED UNSUITABLE BY THE ENGINEER, NTS THEN PIPE ZONE MATERIAL PER NOTES. SECTION 9- 06.13(3). 1, ALL TRENCHES IN ROADWAY AREAS SHALL BE BACKFILLED AND PATCHED PER SPECIAL PROVISION -5 -06.1 AT END OF EACH WORK DAY - EXCAVATION OF UNSUITABLE SOIL AND THIS WORK IS INCIDENTAL TO ALL TRENCH RESTORATION WORK. BACKFILL OF FOUNDATION MATERIAL (IF NECESSARY) DEPTH AS APPROVED 2. THE FINAL SAWCUT JOINT SHALL BE A MINIMUM OF 1' BEYOND BY ENGINEER. MATERIAL SHALL MEET THE UNDISTURBED EDGE OF THE TRENCH. SECTION 9- 03.9(1) BALLAST 3. ALL ASPHALT PATCH AREA OUTSIDE OF PAY LIMIT SHOWN SHALL BE CONSIDERED INCIDENTIAL TO OTHER ITEMS OF WORK- 8"-6" C900 PVC & SDR 35 PVC SEWER PIPES TYPICAL TRENCH BEDDING AND BACKFILL 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. 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 CONSTRUCTION ON A THIRD STREET SEGMENT. 4 A_ _ 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 TRANSITION 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 25T4 ST. ASPHALT OVERLAY SHALL BE 1 —Y2° OF CL 6 ASPHALT AND BE FULL STREET WIDTH TAPERING TO 3/4" 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. 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 # 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 IMPROVEMENTS SHALL 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 #FO06, DRAWING #FR01N). 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 # FR02_ 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. CITY OF JAN 2 °D2 RENTON EAST KEN�IY�DALE SANITARY Planning /Building /Public Works Dept. SEWER If�FILL PEASE S-9 10 s.e 100 18 SCANNED" 29 2l ti C