(2) Fire prevention. Fire fighting equipment will
will be located in the air lines approximately 25 feet from
the discharge end of the hose. Drain the separator and
be kept available at all times, and the personnel engaged
the air compressor storage tank at frequent intervals by
in preservation will be instructed in its use. They will also
opening the drain cocks, by opening the drain cocks,
be instructed as to the course of action in the event of
allowing any oil and water to drain from the units.
fire. Smoking and the use of fire and open lights will be
prohibited in work areas. Explosion-proof electrical
switches and controls will be required on all equipment
9. Painting. Railroad equipment in storage will be spot
used in the vicinity of and for the application of volatile
painted unless damage to the existing paint coating is
materials. Electrically operated equipment and spray
sufficient in scope to make complete repainting more
equipment will be grounded.
economical. Variances in the shades of the paint used
(3) Personnel safety. Personnel will be required
for spot painting from that of the original paint are not
to observe safety regulations concerning the use of
respiratory masks when spraying, safety goggles when
deteriorated portions of painted surfaces will be cleaned
handling or working near cleanin g solvents and all spray
of all oil, grease, dirt, loose scaly type rust, and blistered
applications, and protective gloves when working with
paint prior to spot painting. Immediately following the
cleaning materials and preservatives.
cleaning operation, apply one coat of primer or paint of
the same or similar type and color to the area from which
P-type preservatives and methods of application,
the paint has been removed.
specified herein, are described in MIL-P-116 and TM-38-
requiring complete painting will be treated and painted in
230. Other materials required to accomplish special
accordance with MILIP-3320, MIL-P-3321 or MIL-P-3807
sealing and preservation are as follows:
(1) Bituminous coating ........... MIL-C-3254
10. Marking. Marking of railroad equipment will be in
accordance with MIL-STD-129.
synthetic primer ................ FED TT-P-664
11. Safety Precautions.
tape................................... FED PPP-T-60
a. Common Hazards. Both personnel and materiel
are exposed to some hazards in nearly all preservation
Before applying coating and
procedure. However, with proper care, any of the
materials such as bituminous coating, strippable coating,
materials described herein may be used safely.
lacquer-resisting synthetic primer and pressure-sensitive
(1) Flammability. Many cleaning materiels,
tape, the surfaces to which the material is to be applied
will be dry and clean of oil, grease, dirt and other
Some give off flammable vapors and form explosive
mixtures when the vapors combine with air. The danger
observed in the use of materials listed in a(1) throug h
is greatest when materiels are used in confined space.
(2) Skin irritation. Many of the materials tend to
(1) Bititminous coating. When applied over
irritate the skin upon contact, and exposure to the fumes
strippable coating, bituminous coating will be sprayed or
or liquids has caused severe cases of dermatitis and
troweled to a thickness of 1/8 inch. At least 4 hours
Cleaning materials are particularly
should elapse between the application of strippable and
hazardous in this respect.
bituminous coatings. When applied directly to metal
(3) Toxicity. Some of the materials are mildy
surfaces to caulk or seal a joint, the thickness of the
toxic. None of them should be inhaled in any great
coating will be appropriate for the application.
Spray applications are particularly
(2) Desiccant (bagged). To minimize absorption
of moisture, bagged desiccant will be kept in sealed
b. Safety Program. A well planned and constantly
containers until the moment it is placed within the area
enforced safety program will be provided. An effective
being dehumidified. Bagged desiccant will be used only
safety program will place emphasis on ventilation, fire
for static dehumidification. The desiccant will be secured
prevention and personnel safety.
in a manner to prevent contact with metallic surfaces
(1) Ventilation. Adequate ventilation of work
areas will be provided. When using volatile materials in
a confined space, an exhaust system will be used to
evacuate fumes from the area.