HomeMy WebLinkAboutS-209602SANITARY SEWER GENERAL NOTES:
I.B�i* work materials shall be in conformance with the Standards
and Specifications of the City of Renton Utility Department
and the latest edition of the WSDOT /APWA Standards and
Specifications.
2. The hours of work in the street right -of -way shall be limited
to 8:30 am to 3:30 pm on weekdays unless otherwise approved in
writing by-the Department of Public Works at 235 -2620. All
street closures, partial or full, shall be approved by the
Department of Public Works-24 hours in advance. The police
department, fire department, and 911 shall be notified 24
hours in advance.
S. All construction shall be in accordance with "Standard
Specifications for Municipal Public Works Construction"
prepared by Washington State Chapter American Public Works
- Association, latest edition (APWA) and City of Renton Standard
Specifications.
4_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.
5. 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.
s.Contractor is solely responsible for the means, methods and
sequences of construction and for the safety of workers and
others on the construction site.
F.It shall be the responsibility of the contractor to obtain
street' use and any .other related - permits prior to- any
construction.
9. Plans approved by the City of Renton, Public Works Department
shall take' precedence over all other plans.
9.A copy of these approved plans must be -on the job site
whenever construction is in progress.
VV P ° 3 2 -2096
1o. The contractor shall provide the City of.Renton with an as-
built drawing of the sanitary sewer :system which has been
stamped and signed by a licensed Professional Engineer or,
licensed Professional Surveyor.
11. Backfill shall be placed squally on both sides of the pipe in
layers with a loose average depth of;6 inches, maximuit. depth
of 8 inches, thoroughly tamping each. layer to 95% 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'pipeshall be the
same as described.
12. open cut road crossings .for .utility ,trenches on existing
traveled roadway shall ' be backfilled . with, crushed rock aiEd
mechanically compacted. Cuts into the s**i.it itg, asphalt shall
be neatline cut with saw in a contintio�us; line.: A ,temporary
mix patch must be place immediately, after;- backfill -and
compaction. A permanent hot mix patch.- g;"ll,be placid.,Xithin
30 days and shall be per City of Renton ctixxent standtrdS.
13. Datum shall be City of Renton, U «S:C. ,.arid G.S.
ASPHALT CONCRETE (3 -. MIN.)
REPLACEMENT PATCH TO BE
FlNAL JOINT MUST
1." THICKER THAN PREVIOUSLY
BE SAY1hCUT
EXISTED.
�'
EXISTING ASPHALT
CONCRETE
r, MI& CRUSHEID . WWACINO
TOP dOU1 $E
COFAPAC'EED..CRI'iSElEE3
ROCK SAMILL,
EXISTING ASPHALT CON CRETE
OVER PREPAE DE _....
D'
F
1. SEE SECTIONS 7 -18 AND 2 -09 FOR PATCHING:, BACKFllk#N6- :.SKCKCATi0M`_
As I sorunucc twt onenwAY ARVA -k 'R"I _'hF' A (URff FO ANn,4PA I D :�IEEFF
16. Sanitary sewer pipe shall be polyvinyl chloride (PVC) re>bber
gasketed ASTM D 3034, SDR 35, or ductile i *on Claos so-
17. In unimproved areas, manhole to extepd minimum 6. inch ° and
maximum 18 inch above finished grade. In 'paved area, cover
must slope in all directions to match paving.
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