thermostatic type for pressures up to 103 kPa (gage) 15 psig.
Provide traps with separate strainers unless specified otherwise.
d.
Strainers: FS WW-S-2739, Style Y for Class [125] [250] with blow
off outlet. Construct strainers for Class 300 of cast carbon
steel in accordance with ASME B16.5 for minimum of 2068 kPa (gage)
300 psig saturated steam pressure. Provide blow off outlet with
pipe nipple and gate valve.
2.15.3.11
Backflow Preventers
Reduced pressure principle type conforming to applicable requirements of [
AWWA C510 and AWWA C511] [Section 15400 PLUMBING SYSTEMS].
2.15.3.12
Insulation
Materials and application shall be as specified in Section 15080 THERMAL
INSULATION FOR MECHANICAL SYSTEMS.
2.15.3.13
Pipe Sleeves
a.
Floor Slabs, Roof Slabs, and Outside Walls Above and Below Grade:
Galvanized steel pipe having an inside diameter at least 15 mm 1/2
inch larger than outside diameter of pipe passing through it.
Provide sufficient sleeve length to extend completely through
floors, roofs, and walls, so that sleeve ends are flush with
finished surfaces except that ends of sleeves for floor slabs
shall extend 13 mm 1/2 inch above finished floor surface. Sleeves
located in waterproofed construction shall include flange and
clamping ring.
b.
Partitions: Galvanized sheet steel, 26 gage or heavier, of
sufficient length to completely extend through partition thickness
with sleeve ends flush with partition finished surface.
2.15.3.14
Piping Identification
Conform to MIL-STD-101 and place in clearly visible locations; except paint
piping in the boiler room the primary color of the color code. Provide
labels and tapes conforming to ANSI A13.1 in lieu of band painting or
stenciling. Labels shall be outdoor grade acrylic plastic. Markings on
labels shall indicate direction of flow, flowing media, and media design
pressure and temperature. Spacing of identification marking shall not
exceed 3 meters 10 feet. Provide two copies of complete color and stencil
codes used. Frame codes under glass and install where directed.
2.16
FIRE PROTECTION SYSTEM
Provide fuel oil room with a wet sprinkler system as specified in Section
13930N WET PIPE FIRE SUPPRESSION SPRINKLERS.
2.17
MARKING
Identify equipment, valves, switches, motor controllers, and controls or
indicating elements by printed, stamped or manufactured identification
plates or tags of rigid plastic or non-ferrous material. Lettering for
identification plates or tags shall be not less than 5 mm 3/16 inch high.
Nomenclature and identification symbols used on the identification plates
or tags shall correspond to those used in maintenance manuals, operating
SECTION 15501N
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