potential will be made by the Contracting Officer to determine suitability
of detector. Holiday test and repair holidays prior to introducing fuel
into system. Labor materials and equipment necessary for conducting
inspection shall be furnished by the Contractor.
3.4
CATHODIC PROTECTION
Provide steel secondary piping systems with cathodic protection as
specified in [Section 13110N CATHODIC PROTECTION BY GALVANIC ANODES]
[Section 13111N CATHODIC PROTECTION BY IMPRESSED CURRENT]. Cathodic
protection for piping system shall be coordinated and compatible with tank
corrosion control system.
3.5
ELECTRICAL WORK
Provide switches and devices required for controlling electrical equipment.
Pumps shall be wired and ready for connection to power circuit. Wiring,
equipment, and fittings shall be explosion-proof in conformance with
applicable requirements of UL 674, UL 698, and UL 886 for Class I, Division
l, Group C and D hazardous locations. Submit proof of such conformance.
Electrical installations shall conform to requirements of NFPA 70.
3.6
Pneumatic Test
Test product carrier piping under pneumatic pressure of at least 1 1/4
times designed working pressure of the particular piping system, but not
less than 345 kPa (gage) 50 psig. Test secondary piping under pneumatic
pressure of 34 kPa (gage) 5 psig. Joints in secondary piping shall not be
made until product carrier pipe is successfully pressure tested. Take care
not to exceed pressure rating of various fittings such as the dry break
vapor line adapter. Maintain pressure in product carrier piping for at
least 2 hours during which there shall be no drop in pressure in each line
greater than that allowed for thermal expansion and contraction. Maintain
pressure in secondary piping for at least one hour. To facilitate this
test, various sections of each piping system may be isolated to test each
separately. Furnish tapped test adapted fittings that can be attached to
each end of the section of line being tested that will permit direct
connection to the piping from air compressor. No taps in line will be
permitted. Furnish necessary equipment for testing. Gages shall be
subject to testing and approval. In event leaks are detected, repair and
repeat tests. Upon satisfactory completion of tests, relieve pressure and
seal line. Make provisions to prevent displacement of piping during
testing. Keep personnel clear of piping during pneumatic testing. Isolate
equipment such as pumps, tanks, and meters from piping system during tests.
3.7
FLUSHING AND OPERATIONAL TEST
Do not install dispensing units during flushing and cleaning of piping.
Install temporary piping or hose equipped with a strainer having not less
than 40-mesh screen between supply pipe and tank fill connection on tank
from which fuel is being pumped. Furnish temporary pump for flushing.
Flush each dispensing system with same type of fuel intended for use in
system until outflowing fuel is "clean" and "bright": clean means absence
of sediment or emulsion; bright refers to fluorescent appearance of fuel
that has no cloud or haze. Test each system to demonstrate performance
requirements for which it was designed. [Test shall include unloading fuel
trucks to demonstrate effectiveness of vapor recovery system.] Operate
fuel dispensing equipment to demonstrate capability of fuel pumps to
deliver desired flow and draw storage tank contents to level of pump inlet
SECTION 15193N
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