2.1.7.13
Buried Utility Warning and Identification Tape
Detectable aluminum foil plastic backed tape or detectable magnetic plastic
tape manufactured specifically for warning and identification of buried
piping. Tape shall be detectable by an electronic detection instrument.
Provide tape in rolls, 80 mm 3 inches minimum width, yellow in color with
warning and identification imprinted in bold black letters continuously and
repeatedly over entire tape length. Warning and identification shall read
"CAUTION BURIED FUEL OIL PIPING BELOW" or similar wording. Provide
permanent code and letter coloring unaffected by moisture and other
substances contained in trench backfill material. Bury tape with printed
side up at a depth of 300 mm 12 inches below top surface of earth or top
surface of subgrade under pavements.
2.1.7.14
Miscellaneous Metal
ASTM A 36/A 36M, standard mill finished structural shapes, hot-dip
galvanized after fabrication.
2.1.8
Meters
FS GG-M-2802, Style A [piston] [or] [disk], size as indicated, for [_____]
liter per second gpm maximum flow of Grade No. [_____] fuel oil at [_____]
to [_____] degrees C F and [_____] kPa (gage) psig maximum pressure. Meter
shall be arranged for mounting [in pipe line] [on pedestal] [and shall have
overrange protection]. Casing shall be [aluminum] [bronze] [cast-iron].
Pressure drop through meter shall not exceed [_____] kPa psi. Provide
[combination register-totalizer] [and] [water escape hole].
2.1.9
Instruments
2.1.9.1
Tank Gages
FS A-A-50568, buoyant force type with direct reading dial.
2.1.9.2
Thermometers
Thermometers shall be bi-metal dial type with stainless steel case, stem,
and fixed thread connection; 125 mm 5 inch diameter dial with glass face
gasketed within the case; accuracy within one percent of scale range.
Provide scale range suitable for the intended service.
2.1.9.3
Pressure Gages
ASME B40.1, single style with 115 mm 4 1/2 inch diameter dial for fuel,
brass or aluminum case, bronze tube; accuracy within [2] [_____] percent
of scale range. Provide scale range suitable for the intended service.
2.1.10
Protective Coating Systems for Underground Steel Piping
2.1.10.1
Underground Piping and Fittings
Provide protective coating system on both steel carrier piping when direct
buried, in secondary containment or in a trench and on steel secondary
containment piping.
a.
Piping: New steel pipe shall receive protective coating system of
factory-applied adhesive undercoat and continuously extruded
polyethylene coating conforming to FS L-C-530, minimum thickness
SECTION 15192N
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