discuss the types, selection and use, operation and
NAV S E A S W 0 2 0 - AC - S A F - 0 1 0 , p r ov i d i n g t h e
maintenance, and repair of MHE.
material is in its proper packaging configuration.
Equipment Types
EXEMPTIONS AND WAIVERS
Industrial MHE, approved for specific uses, is
Exemptions and waivers are written authorizations
assigned a standard alphabetical type designation that
that allow specific deviations from mandatory
identifies its fire and explosion safety features and its
requirements. The difference between the two is the
power source. These designators appear on the sides
time period for which the deviation is granted.
and the rear of each piece of MHE. The type
Normally, an exemption is granted for a period of 5
designations are as follows:
years or less, whereas a waiver is granted for a period of
2 years or less.
Type D--diesel powered; minimum acceptable
safeguards against fire hazards.
The procedures for requesting exemptions and
waivers concerning ammunition and explosive
Ty p e D S -- d i e s e l p o w e r e d ; a d d i t i o n a l
requirements are contained in OPNAVINST 8020.14.
safeguards to exhaust, fuel, and electrical
All such requests are submitted to the CNO, via the
systems.
chain of command and the Commander, Naval Sea
Type EE--electrically powered; safeguards
Systems Command (COMNAVSEASYSCOM).
against igniting fire or explosion; electric motor
Activities, granted exemptions and waivers, must
and all other electrical equipment are completely
periodically review the necessity for the deviations.
enclosed. Generally referred to as spark
Existing exemptions and waivers must be revalidated
enclosed.
every 5 and 2 years, respectively, according to
Type EX for Class I--electrically powered; all
OPNAVINST 8020.14 and NAVSEA OP 5, volume 1.
If an existing exemption or waiver is no longer
electrical fixtures and equipment constructed
required, the CNO must be informed so the exemption
and assembled so that the truck may be used in
or waiver can be canceled.
certain atmospheres that contain flammable
vapors. Generally referred to as explosion proof.
HANDLING EQUIPMENT
Type EX for Class II--electrically powered; all
electrical fixtures and equipment constructed
Accidents that occur during the handling of
and assembled so that the truck may be used in
hazardous material can cause destruction of essential
atmospheres that contain combustible dust.
material, injuries, and sometimes death. Many
Generally referred to as ignition proof.
accidents are caused by lack of knowledge, by not
using the proper equipment for the job, and by careless
Ty p e G -- g a s o l i n e p o w e r e d ; m i n i m u m
operations. You must ensure that when you are
acceptable safeguards against igniting fire or
involved in handling ammunition and explosives, you
explosion.
have a thorough understanding of the operation and of
Ty p e G S -- g a s o l i n e p ow e r e d ; a d d i t i o n a l
the hazards involved in the use of the equipment. This
section discusses industrial materials-handling
safeguards to exhaust, fuel, and electrical
systems over type G.
equipment, ordnance-handling equipment, and
dollies.
Type H--hand powered.
INDUSTRIAL MATERIALS-HANDLING
Ty p e H S -- h a n d p o w e r e d ; e l e c t r i c a l l y
EQUIPMENT
conductive nonsparking wheels or ground strap.
Industrial materials-handling equipment (MHE)
Always select the proper equipment for the
for use in ammunition- and explosives-handling
operation. Generally, the EE- and EX-type equipments
operations includes forklift trucks, pallet trucks,
a r e u s e d i n o p e r a t i o n s t h a t i nvo l v e h a n d l i n g
platform trucks, crane trucks, warehouse tractors, and
ammunition and explosives inside buildings. The DS-
warehouse trailers. This equipment is classified by
and GS-type equipments are normally used in open
types based on their use. The following subsections
areas or areas with adequate forced ventilation.
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