the secondary containment integrity. This testing shall be in compliance
with the manufacturer's published installation instructions.
3.2.3
Protective Coating Systems
Inspect protective coating systems, with a holiday tester just prior to
placement in ground. Holidays revealed shall be promptly repaired. Steel
piping coating system shall be given a holiday test with a voltage of 100
to 200 times the mm mil thickness of the coating.
3.2.4
Steel Fuel Oil Storage Tanks
Test tanks for leaks by applying internal air pressure and using soapsuds,
linseed oil or equivalent material on external welds. For horizontal
tanks, test pressure shall be not less than 34 5 nor more than 48 kPa (gage)
7 psig. For vertical tanks, test pressure shall be not less than 10 kPa
(gage) 1 1/2 psig nor more than that pressure which first causes visible
deformation of the tank. During testing, tank shall be provided with a
suitable pressure relief device.
3.2.5
Cathodic Protection
Test to prove continuity of electrical connections prior to backfill.
3.2.6
Leak Detection
Test the leak detection monitoring system in accordance with the
manufacturer's testing procedure.
-- End of Section --
SECTION 15192N
Page 26
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