NFPA 99 MEDICAL GAS 6020 (ACTUAL 2025)
WITH QUESTIONS AND VERIFIED ANSWERS.
A relief valve will be located between each final line regulator
and source valve, they sure have a setting a 50% above
normal system operating pressure. 5.1.3.5.6.3 page 31 -
<<<Answers>>>Central supply system for positive pressure
relief valves, include one or more relief valve, all meeting the
following requirements
Name of the gas or chemical symbol, gas or vacuum system
color code, if operating at pressures other than standard gauge
pressure labeling must indicate operating pressure. labeled
every 20 feet. 5.1.11.1.1 page 57 and 5.1.3.5. 6.4 page 31. -
<<<Answers>>>How should a relief valve vent line be
labeled when venting outside and how will help distinguish
them from the medical gas pipeline?
Air compressor systems, medical surgical vacuum pump
systems, WAGD systems, instrument air systems, and
proportioning systems. 5.1.9.5 page 49 -
<<<Answers>>>Local alarm shall be installed to monitor the
functions of what systems?
Medical air dewpoint 35°
instrument air dewpoint -22°
high carbon level 10 ppm's or higher
Proportioning systems 19.5 to23.5% oxygen range.
,Medical air/WAGD reserve under the man if pump ceases to
operate
5.1.9.5.4 page 50 - <<<Answers>>>The local alarm will
activate when the following will happens?
Plugged or capped my manufacturer 5.1.10.1.2 page 50 -
<<<Answers>>>All the tubes fittings, valves, and other
components shall be _________ by the ___________and
sealed until prepared for installation
3 feet 5.1.10.1.6 page 50 - <<<Answers>>>CMT (corrugated
medical tubing) piping shall be identified by the manufacture
as suitable for oxygen service at a minimum of every
________.
Hot water alkaline solution, such as sodium carbonate or
trisodium phosphate, using a solution of 1 pound of sodium
carbonate or trisodium phosphate to 3 gallons of potable water
and thoroughly rinsing them with clean, hot,potable water
5.1.10.4.3.10 page 52 - <<<Answers>>>The interior surfaces
of tube ends, fittings, and other components that were clean
for oxygen service by the manufacture, but that became
contaminated prior to being installed, shall be permitted to be
re-cleaned on site by the installer by what process?
Eight hours 5.1.10.4.3.13 page 52 - <<<Answers>>>Joints
shall be brazed within _______hours after surfaces are clean
for breezing.
, Rolled smooth or deburred, chips 5.1.10.4.2.3 page 52 -
<<<Answers>>>The cut ends of tubes shall be permitted to
be ___________ with a sharp, clean deburring tool, to
prevent__________ from entering the tube.
Flared and compression type connectors including station in
Lipton outlets, other straight thread connections including
unions, pipe crimping tools, removable and non-removable
push fit fittings that employ a quick assembly push foot
connector 5.1.10.10 page 54 - <<<Answers>>>The following
4 joints shall be prohibited throughout medical gas and
vacuum distribution pipeline systems.
Plastic coated or otherwise be electrically insulated from the
tube by material that will not absorb moisture. 5.1.10.11.4.5
page 54 - <<<Answers>>>In potentially damp locations,
copper tube hangers or supports that are in contact with the
tubes shall be______________
Penetrate or be concealed in walls, floors, ceiling, or
partitions. 5.1.10.11.6.1 page 55 - <<<Answers>>>Hose and
flexible connectors, both metallic and nonmetallic, shall be no
longer than necessary and shall not______________
In wetted surfaces made of bronze copper stainless steel,
cleaned out factory received on job site with certificate of
cleanliness, suitable for service of 300 psi or above and can
WITH QUESTIONS AND VERIFIED ANSWERS.
A relief valve will be located between each final line regulator
and source valve, they sure have a setting a 50% above
normal system operating pressure. 5.1.3.5.6.3 page 31 -
<<<Answers>>>Central supply system for positive pressure
relief valves, include one or more relief valve, all meeting the
following requirements
Name of the gas or chemical symbol, gas or vacuum system
color code, if operating at pressures other than standard gauge
pressure labeling must indicate operating pressure. labeled
every 20 feet. 5.1.11.1.1 page 57 and 5.1.3.5. 6.4 page 31. -
<<<Answers>>>How should a relief valve vent line be
labeled when venting outside and how will help distinguish
them from the medical gas pipeline?
Air compressor systems, medical surgical vacuum pump
systems, WAGD systems, instrument air systems, and
proportioning systems. 5.1.9.5 page 49 -
<<<Answers>>>Local alarm shall be installed to monitor the
functions of what systems?
Medical air dewpoint 35°
instrument air dewpoint -22°
high carbon level 10 ppm's or higher
Proportioning systems 19.5 to23.5% oxygen range.
,Medical air/WAGD reserve under the man if pump ceases to
operate
5.1.9.5.4 page 50 - <<<Answers>>>The local alarm will
activate when the following will happens?
Plugged or capped my manufacturer 5.1.10.1.2 page 50 -
<<<Answers>>>All the tubes fittings, valves, and other
components shall be _________ by the ___________and
sealed until prepared for installation
3 feet 5.1.10.1.6 page 50 - <<<Answers>>>CMT (corrugated
medical tubing) piping shall be identified by the manufacture
as suitable for oxygen service at a minimum of every
________.
Hot water alkaline solution, such as sodium carbonate or
trisodium phosphate, using a solution of 1 pound of sodium
carbonate or trisodium phosphate to 3 gallons of potable water
and thoroughly rinsing them with clean, hot,potable water
5.1.10.4.3.10 page 52 - <<<Answers>>>The interior surfaces
of tube ends, fittings, and other components that were clean
for oxygen service by the manufacture, but that became
contaminated prior to being installed, shall be permitted to be
re-cleaned on site by the installer by what process?
Eight hours 5.1.10.4.3.13 page 52 - <<<Answers>>>Joints
shall be brazed within _______hours after surfaces are clean
for breezing.
, Rolled smooth or deburred, chips 5.1.10.4.2.3 page 52 -
<<<Answers>>>The cut ends of tubes shall be permitted to
be ___________ with a sharp, clean deburring tool, to
prevent__________ from entering the tube.
Flared and compression type connectors including station in
Lipton outlets, other straight thread connections including
unions, pipe crimping tools, removable and non-removable
push fit fittings that employ a quick assembly push foot
connector 5.1.10.10 page 54 - <<<Answers>>>The following
4 joints shall be prohibited throughout medical gas and
vacuum distribution pipeline systems.
Plastic coated or otherwise be electrically insulated from the
tube by material that will not absorb moisture. 5.1.10.11.4.5
page 54 - <<<Answers>>>In potentially damp locations,
copper tube hangers or supports that are in contact with the
tubes shall be______________
Penetrate or be concealed in walls, floors, ceiling, or
partitions. 5.1.10.11.6.1 page 55 - <<<Answers>>>Hose and
flexible connectors, both metallic and nonmetallic, shall be no
longer than necessary and shall not______________
In wetted surfaces made of bronze copper stainless steel,
cleaned out factory received on job site with certificate of
cleanliness, suitable for service of 300 psi or above and can
