1.5.5
1.5.5.1
Submit 610 by 910 mm 24 by 36 inch detail working drawings showing medical
gas systems: oxygen (including oxygen and bulk liquid oxygen), nitrous
oxide, nitrogen, and medical air; vacuum systems: vacuum, oral evacuation,
and anesthesia gas evacuation systems; and equipment foundations: noise
and vibration isolators, seismic restraints, equipment bases, inertia
bases, and foundations for equipment and piping.
1.5.5.2
Piping Systems Diagrams
Submit texts and piping systems diagrams of oxygen, nitrous oxide,
nitrogen, and medical air.
PART 2
PRODUCTS
2.1
MATERIALS
2.1.1
Pipe and Fittings
Sized and made for pressures and other design conditions as indicated.
2.1.1.1
Metal Pipe and Fittings
Oxygen, Nitrous Oxide, Nitrogen, Medical air, and Vacuum systems (include
oral evacuation system and anesthesia gas evacuation system):
a.
ASTM B 88M ASTM B 88 or ASTM B 280 ACR (air conditioning and
refrigeration), seamless Type K or L hard-drawn copper tubing for
above ground and inside buildings, and soft drawn (annealed) for
underground. In lieu of copper tubing, standard weight (Schedule
40) brass pipe per ASTM B 43 may be used. Provide ANSI B16.18
cast copper, ASME B16.22 wrought copper, or brass fittings.
b.
ASTM A 269 seamless stainless steel tubing, Type 304, 304L, or
316. Provide matching stainless steel fittings.
2.1.1.2
PVC Piping, Oral Evacuation System Only
ASTM D 1785, Type 1 (normal impact), Grade 1 (chemical resistance), Cell
Classification 12454-B, Schedule [40] [80] pipe. Provide [ASTM D 2466] [
ASTM D 2467] socket fittings and ASTM D 2564, PVC solvent cement with PVC
primer recommended by pipe manufacturer. Provide wye cleanouts.
2.1.2
Valves
NFPA 99, sized and made for pressures and other design conditions as
indicated. Valves of same type shall be the product of one manufacturer,
uniform in pattern and appearance, color coded and labeled for the intended
service. Identification plates may be used in lieu of labels. Submit
calibration chart of the flow measuring device of each pressure reducing
regulator.
2.1.2.1
Ball Valves (Oxygen and Nitrous Oxide)
For sizes 50 mm 2 inches or smaller, MSS SP-110, copper alloy valve design
which permits inspection and repair of seats and seals without removing the
SECTION 15217N
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