Latter-day-CS 950309GENERAL NOTES
WATER & SEWER
Ail materials and construction shall conform to the City of Coppe!!
Standards and Specifications, unless otherwise noted om approved
by City or an authorized representative for the Coppell Municip~!
Utility District Number One and per the Standards and Specifications
for Public Works Construction by North Central Texas Council of
Governments.
2 ' Ail water lines to be AWWA C900 PVC SDR 14 Class 200 (blue in color).
Except as shown Polywrap all MJ Fittings, Valve Risers, Tapping
Saddles and Hydrant Lines.
Ail water mains shall have a minimum cover of 42 inches below.finish
grade or as required to clear other utilities. Terra-Tape required
one (1) foot above water main.
4. water service lines shall be 1" type "K" copper and shall be provided
with a corporation at the main and a curb stop located at least 18"
(cighteen inches) outside of proposed curb with cover not to exceed
1~ '~ee%. Proposed yoke and meter box to be installed by contractor
after construction of proposed pavement is complete. A suitable
marker shall be placed at the point ~where said service Nines .are
stubbed out. The marker shall be "W" stamped on curb or edge Qf
pavement if ..no curb is constructed; .Letters shall have. a n.inimum
height of 3" (two inches) and a minimum width of 2" (two inches).
Ail sanitary sewer pipe shall be SDR 35 PVC ASTM D3034 (green in
color), unless otherwise noted.
Ail sanitary sewer ~laterals shall be 4 inch PVC 'and located at the
proposed l~t centerline. A 2" X 4" X 4" lumber painted red shall
be placed at the end to mark'service.
Contractor shall protect all' public utilities in the construction
of this project. All manholes, cleanouts,, valve boxes, and fire
hydrants must be adjusted to proper line and grade by the Utility
Contractor after placement of paving, and before final acceptance.
The location of all existing utilities indicated on the plans ~Te
taken from existing public records. The exact location and elev.~tlon
of all public utilities shall be determined by the contractor. It
shall be the duty of the contractor to ascertain whether any
additional facilities other than those shown on the plans, may be
present.
A minimum clearance of 24 inches shall be provided between Water
mains'and storm sewer inlets.
10. Contractor 'shall provide Engineer dimensions to all servi~e~, and
other information to produce "as-built" plans.
11. Ail water and sanitary sewer lines installed under pavement to be
backfilled and compacted in 8 inch lifts to 95% standard proctor
.density @± 2 percentage points of optinlum moisture.
12. When installing water mains at sanitary sewer crossings, no joint
· ~/of~water main shall be within (9) feet of the centeriine of the
sanitary sewer pipe.
13. Water mains shall be tested with a Hydraulic Test Pressure of not
less than 150 PSI maintained over a continuous period of not less
than ~ hours and disinfected in accordance with A~A C607. Leakage
shall not exceed 11.65 ga!lo~s per inch of diameter mf pipe, ~er
mile, per day (no pay item).