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1. ALL J,'CRF. MATERIALS SHALL BE IN CCNFCRMANCE V✓ITH THE STAN-
DARDS AND SPECIFICATIONS OF THE CITY CF RENTCN UTILITY
DEPARTMENT AND THE LATEST EDITION OF THE APWA STANDARDS
AND SPECIFICATIONS.
2. AL_L LOCATIONS OF EXISTING UTILITIES SHOWN ARE APPROXIMATE
AND IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO VERIFY
THE TRUE AND CORRECT LOCATIONS SO AS TO AVOID DAMAGE
...OR DISTURBANCE.
3. A PRECONSTRUCTICN CONFERENCE AND TWENTY-FOUR HOUR
NOTICE WILL BE REQUIRED PRIOR TO STARTING NEW CONSTRUCTION.
4. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO SECURE
ALL NECESSARY PERMITS PRIOR TO STARTING CCNSTRUCTION,
5. INSPECTION WILL BE ACCOMPLISHED BY A REPRESENTATIVE OF
THE CITY OF RENTON. IT SHALL BE THE CONTRACTOR'S RE-
SPCNSIBILITY TO NOTIFY THE UTILITY DEPARTMENT TWENTY-
FOUR HOURS IN ADVANCE OF BACKFILLING ALL CCNSTRUCTION.
6. ALL CORRUGATED METAL PIPE (CMP) SHALL BE ALUMINUM)
14 GAUGE � W ITN 3�! X 1 11 C0RRIJGrAr10 N "
7. ALL CONCRETE PIPE SHALL CONFORM TO ASTM DESIGNATICN
C14, CLASS 2.
8. BEDDING FOR CORRUGATED METAL SEWER SHALL BE CUSS D.
NATIVE BEDDING MATERIAL SHALL NOT CONTAIN STONES LARGER
THAN 3 INCHES, FROZEN ROOTS, OR MOISTURE IN EXCESS OF
THAT PERMITTING THOROUGH COMPACTION.
9. BEDDING FOR CONCRETE STORM SEWERS SHALL BE CLASS B.
NATIVE BACKFILL MATERIAL, FREE OF STONES, SHALL BE CARE-
FULLY PLACED TO A DEPTH OF AT LEAST SIX (6) INCHES OVER
THE TOP OF THE PIPE.
10. TRENCH SHALL BE WATER SETTLED OR MECHANICALLY COMPACT-
ED PRIOR TO PIPE ACCEPTANCE BY THE ENGINEER.
1 1 . BEDDING AND BACKFILL COMPACTED TO 90% OF MAXIMUM DENSITY,
EXCEPT FOR TOP 12 INCHES OF THE ROAD SUBGRADE SHALL BE
COMPACTED 960/. OF MAXIMUM DENSITY. BEDDING AND BACKFILL
TO BE COMPACTED IN MAXIMUM OF 6" LIFTS.
12. PAVEMENT PATCHING SHALL CONFORM TO SECTION 54 OF THE
LATEST EDITION OF THE APWA STANDARDS AND SPECIFICATIONS.
13. CATCH BASINS SHALL BE TYPE II - C, 54" INTERNAL DIAMETER,
LID SHALL BE ROUND, SOLID, SELF-LOCKING TYPE AND MARK
"DRAIN".
14. CURB INLETS SHALL BE TYPE IV - C, FRAME AND GRATE SHALL
CONFORM TO STANDARD PLAN NO. 48.
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