HomeMy WebLinkAboutTED4001324.3GENERAL NOTES
1. All work materials shall be in conformance with the standards and specifications
of the City of Renton Utility Department and the latest edition of the APWA
Standards and Specifications.
2. A copy of this plan must be on -site whenever construction is in progress.
3. It shall be the responsibility of the contractor to obtain street use and other
related permits prior to any construction in county or state right-of-way.
4. Approximate location of existing utilities have been obtained from available
records and are shown for convenience. The contractor shall be responsible for
verification of locations shown and for discovery of possible additional
,utilities not shown, so as to avoid damage or disturbance.
5. Locations of the structures shown hereon are approximate. Exact locations shall
be field set by the engineer.
6. Catch Basins and Grates:
A. All catch basins shall be Type I-C or Type II-C - 48" per APWA Standard
drawings No. 52 and 55.
B. Catch basins No. 2, 4, 7, 12, 14, 16 417 shall have oil/water separators per
City of Renton standards.
C. All catch basins not in paved areas shall have solid, locking lids.
D. All yard drains shall be Associated Sand & Gravel CB #10 with open grated
lids or equal.
7. Storm Sewer Pipe:
A. All storm drain pipe (8" dia. or larger) to be helical corrugated metal
pipe, minimum 16 gauge, or galvanized steel. Steel pipe shall be asphalt
coated (treatment 1 or better).
Alternate: Storm drain pipe may be concrete, rubber gasketed ASTM C-14
Class II, non -reinforced bell and spigot (with bell flush with catch basin
wall if used) unless otherwise specified on the plans.
B. All 6" diameter storm drain pipe shall be non -perforated P.V.C. conforming
to ASTM D-3034, SDR 35.
8. All pipe bedding shall be APWA Class "C". All trench backfill shall be compacted
to minimum 90% per ASTM D1557-70.
9. All building roof drain downspouts and footing drains shall be directly connected
to the main storm drainage conveyance system through an underground pipe system.
The system shown hereon is a recommended solution. The contractor/landscaper
may alter the system as required.
10. A preconstruction conference and twenty-four hour notice will be required prior
to starting new construction.
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GATEWAY APARTMENTS
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( 206 ) 454-3743 OR B85 -7877
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1950-130TH AVENUE NORTHEAST
BELLEVUE, WASHINGTON 96005
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