MIL-HDBK-1005/9A
2.6.12.2 Federal Safety Yellow. This group includes materials
that are inherently hazardous because they are flammable or
explosive, toxic, or produce poisonous gas. Applications
include flammable liquids such as gasoline, naphtha, fuel oil,
chlorine gas, sulfur dioxide, ammonia, and steam.
2.6.12.3 Federal Safety Orange. This classification includes
ASA Class D dangerous materials such as corrosive liquids,
acids, and alkalis. Applications include concentrated acid,
caustic soda, lime slurry, or hydrogen peroxide solution piping.
2.6.12.4 Federal Safety Green. This classification includes
ASA Class S safe materials which involve little or no hazard to
life or property in handling. Applications include low
temperature and pressure, nonpoisonous and nonflammable liquids
and gases, drinking water, service water, emergency showers, and
eyewash facilities.
2.6.12.5 Federal Safety Blue. This classification includes ASA
Class P protective materials. The materials used for washdown
and for lawn watering are piped through plants for the express
purpose of being available to prevent or minimize the hazards
associated with dangerous materials. These materials are not
typically used at naval wastewater treatment facilities.
2.6.12.6 Other. In addition to these recommended color codes,
piping systems can be more specifically identified by applying
color bands and by painting the name of the material on the
pipe. Refer to ANSI A13.1 for specification details of legend
marker.
Pipes carrying hazardous materials should be further
identified with flow directional arrows and operating pressures
(for steam lines and other high-pressure systems).
2.7
Guidelines From Actual Experience
2.7.1
Post Occupancy Evaluation Reports. The Navy has had
experience constructing and operating several industrial
wastewater collection and treatment systems. The Post Occupancy
Evaluation Reports have identified numerous lessons that have
been learned through actual experience. Previous designs
specifying operational errors and omissions must not be repeated
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