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 MIL-HDBK-1008B
Section 3:
COMMON HAZARDS
3.1
Heating Equipment
3.1.1
Requirements.
Designs shall conform to one or more of the following
criteria:
a)
NFPA 31,
Installation of Oil-Burning Equipment
b)
NFPA 54,
National Fuel Gas Code
c)
NFPA 58,
Storage and Handling of Liquefied Petroleum Gases
d) NFPA 85C, Prevention of Furnace Explosions/Implosions in
Multiple Burner Boiler-Furnaces
e)
NFPA 211, Chimneys, Fireplaces, Vents and Solid Fuel Burning
Appliances
3.1.2
Gas. Gas service mains shall be installed in accordance with NFPA
54. Gas service mains shall not be permitted within the perimeter of
foundation lines. Natural draft cross ventilation shall be provided for
building crawl spaces containing gas service piping. Supply connections from
the gas service mains shall rise above grade outside the foundation wall and
pass through a full swing joint or loop of metallic tubing before entering the
building. This will avoid pipe rupture in the event of differential
settlement or earthquake. Pressure regulators shall be located outside of
buildings or vented to the outside. Standards for heating system components
common to all fuel systems are provided in NFPA 211. Related information is
also available in the UBC. Heating system devices shall be listed by a NRTL.
3.1.3
Coal
3.1.3.1
Storage.
Locate coal storage to comply with the following
restrictions:
a) Do not locate coal storage in an area where contact with an
external heat source is possible. Avoid locating storage near piping, flues,
boiler walls, and over steam mains, even if buried. Coal shall not be stored
over or under fire service mains. Maintain a separation distance of at least
20 feet from any fire service main.
b) Coal shall not be piled over manhole covers or covered pipe
trenches that might allow air to find its way into the pile. Piles of coal
shall not be arranged around or be in contact with timbers, columns, or large
pipes, as air may pass along these surfaces and produce a flue effect. Coal
piles shall not be vented with pipes or flues.
c)
Low-grade coal shall not be piled higher than 10 feet (3 m) and
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