HomeMy WebLinkAboutTED4001770.7GENERAL NOTES
1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH "STANDARD
SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL PUBLIC WORKS
CONSTRUCTION" PREPARED BY WASHINGTON STATE CHAPTER AMERICAN
PUBLIC WORKS ASSOCIATION, 1984 (APWA) AND CITY OF RENTON
STANDARDS.
2. CONTRACTOR SHALL PROVIDE AND MAINTAIN TEMPORARY
SEDIMENTATION/COLLECTION FACILITIES TO INSURE THAT SEDIMENT
LADEN WATER DOES NOT ENTER NATURAL DRAINAGE SYSTEM. THESE
FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND
CONSTRUCTION AND MUST BE MAINTAINED UNTIL CONSTRUCTION AND
LANDSCAPING ARE COMPLETED AND THE POTENTIAL FOR ON -SITE
EROSION HAS PASSED.
3. ALL LOCATIONS OF EXISTING UTILITIES SHOWN ARE APPROXIMATE
AND IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO VERIFY
THE TRUE AND CORRECT LOCATION SO AS TO AVOID DAMAGE OR
DISTURBANCE.
4. A PRECONSTRUCTION CONFERENCE AND A 24 HOUR NOTICE SHALL BE
REQUIRED PRIOR TO STARTING NEW CONSTRUCTION. IT SHALL BE
THE CONTRACTOR'S RESPONSIBILITY TO SECURE ALL NECESSARY
PERMITS PRIOR TO STARTING CONSTRUCTION. (INSPECTION WILL BE
ACCOMPLISHED BY A REPRESENTATIVE OF THE CITY OF RENTON). IT
SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO NOTIFY THE
UTILITY DEPARTMENT 24 HOURS IN ADVANCE OF BACKFILLING ALL
CONSTRUCTION.
5. STORM DRAIN PIPE SHALL BE CONCRETE, RUBBER GASKETED ASTM
C14, CL.2 OR ASTM C-76-II OR 16 GAUGE GALVANIZED STEEL
TREATMENT 1 ASPHALT COATED OR 14 GAUGE ALUMINUM HELICAL
CORRUGATED METAL PIPE WITH WATER TIGHT CONNECTING BANDS.
ALUMINIZED STEEL NOT ALLOWED.
6. STORM MANHOLE SHALL BE PER CITY OF RENTON STANDARDS.
7. CONTRACTOR IS SOLELY RESPONSIBLE FOR THE MEANS, METHODS AND
SEQUENCES OF CONSTRUCTION AND FOR THE SAFETY OF WORKERS AND
OTHERS ON THE CONSTRUCTION SITE.
8. BACKFILL SHALL BE PLACED EQUALLY ON BOTH SIDES OF THE PIPE
IN LAYERS WITH A LOOSE AVERAGE DEPTH OF 6 INCHES, MAXIMUM
DEPTH OF 8 INCHES, THOROUGHLY TAMPING EACH LAYER TO 95
PERCENT OF MAXIMUM DENSITY. THESE COMPACTED LAYERS MUST
EXTEND FOR ONE PIPE DIAMETER ON EACH SIDE OF THE PIPE OR TO
THE SIDE OF THE TRENCH. MATERIALS TO COMPLETE THE FILL OVER
PIPE SHALL BE THE SAME AS DESCRIBED.
9° IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN
STREET USE AND ANY OTHER RELATED PERMITS PRIOR TO ANY
CONSTRUCTION.
10. PLANS APPROVED BY THE DIRECTOR OF PUBLIC WORKS SHALL TAKE
PRECEDENCE OVER ALL OTHER PLANS.
11. THE STORM DRAINAGE SYSTEM SEWER SHALL BE CONSTRUCTED
ACCORDING TO THE APPROVED PLANS WHICH ARE ON FILE AT THE
CITY OF RENTON DEPARTMENT OF PUBLIC WORKS. ANY DEVIATION
FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM
THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS.
12• A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE
WHENEVER CONSTRUCTION IS IN PRC'DPSS.
13. THE -DRAINAGE DITCH AND ALL DISTURBED AREAS SHALL BE GRASS
SEEDED BY AN APPROVED TYPE HYDRO -SEEDER. ACCEPTANCE WILL BE
BASED ON A UNIFORM STAND OF GRASS.
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