The Generator, battery, switches and
circuit breakers shall be located in the
cabin of the vehicle or in the engine
compartment and the battery shall be
in an easily accessible position with an
approved type heavy duty master
switch/cut off switch of not less than
300 amps rating close by to cut-off the
battery.
4.3.1.10Generator, motors and switches
thereof which are not installed within
the engine compartment shall be of
the approved flame proof type.
Provided that where such generators
or motors or switches thereof are
installed in enclosed space,adequate
provision shall be made for air
circulation to prevent overheating and
possible accumulation of inflamable
vapours.
4.3.1.11The vehicle should have a bonding lug
and a bonding cable and the
tank/vessel shall be electrically
continuous with the chassis.
4.3.1.12A portable ISI marked 10 kg DCP
extinguisher shall be provided in an
easily accessible position away from
the discharge faucets on every
vehicle. One portable 1 kg CO2
/DCP/Halon/Approved equivalent fire
extinguisher shall be kept in the cabin
of the vehicle. All extinguishers must
have marking indicating the next due
date for pressure testing.
4.3.1.13Each compartment of tank truck shall
have an emergency shut off valve
located inside the shell with control
lever provided in an accessible
position and away from the fill
openings of discharge faucets.
The wire rope connecting the shut
off valve and control lever shall be
provided with a approved type fusible
section/link which will permit the shut
off valve to close automatically in the
event of a fire.
4.3.1.14Every compartment of a tank shall be
provided with independent PV vent so
as to limit the pressure within the
compartment to 0.21 kg/sq.cm g and
the vacuum to 5 cm water gauge. The
vent shall be so designed as to
prevent loss of liquid through the vent
in the event vehicle is overturned.
4.3.1.15In addition to the above PV vent an
emergency venting facility of fusible
type shall be provided so as to provide
minimum fire venting opening having a
net area in sq. cms equal to 8 plus 4.3
times the gross capacity of the
compartment in kls. The fusible vent
shall be actuated at a temperature not
exceeding 93 degree C. The
emergency vent shall be so designed
to prevent loss of liquid through the
vent in case of vehicle upset except in
case of pressure rise when in
overturned position.
4.3.1.16The inner end of the top fill pipe shall
be fitted with splash deflector and shall
extend to 25 mm from bottom of the
tank. The top end of the fill pipe
should have an oil tight locker cap.
The fill pipe shall have perforations all
along and covered with wire gauge of
a mesh not less than 11 to the linear
centimetre and chamfered at the
bottom.
4.3.1.17All tank top fittings shall be provided
with dome cover so as to protect from
damage in the event of the over
turning of the vehicle on which it is
mounted. Height of tank not to exceed
cabin height and a height barrier guard
to be provided to protect against
accidental damage of top fittings.
4.3.1.18The rear of the vessel shall be
protected by a robust steel bumper
and this bumber shall be:
i) Attached so that collision
stresses will be transmitted to
the frame work of the vehicle
or in the case of an articulated
vehicle, to the frame work
carrying the wheels of the
tank.
ii) Situated at least 15 cm to the
rear of the rear most part of
the tank.
iii) Extended on each side of the
vessel to at least cover the
maximum width of the tank.
4.3.1.19 Every tank truck used for
transportation of petroleum
shall be conspicuously marked
in a contrasting colour with the
word “FLAMMABLE’ and the
common name of the
flammable liquid being
transported.
4.3.1.20 Whenever petroleum class A
is carried along with any other
class of petroleum in the same
vehicle following additional
requirements shall be adhered
to:
(i) Two capital letters ‘ML’each
not less than 10 cm. square
shall be printed in a
conspicuous colour on each
side and the rear of the
vessel.
(ii) The filling pipe,discharge
faucet and the vent pipe of
one compartment shall not be
interconnected by manifolding
or otherwise with the filling
pipe, discharge faucet or vent
pipe of any other
compartment.
(iii) A metal band not less than 2.5
cm wide, coloured red and
bearing embossed or printed
words “MOTOR SPIRIT” shall
be securely attached to the fill
pipe and discharge faucet of
each compartment carrying
petroleum Class A. A similar
metal band, coloured green,
blue or grey and bearing
embossed or printed words
describing the class of
petroleum shall be securely
attached to the fill pipe and
discharge faucet of each
compartment carrying such
class of petroleum.
(iv) Separate braided rubber
hoses bearing ISI mark for
each class of petroleum shall
at all times be carried in the
licensed vehicle.
4.3.1.21 The tank trucks used for
fuelling an aircraft do not fulfill
the requirements of those
used for petroleum class B in
respect of restriction on
capacity of individual tank and
power take off unit provided
for pumping fuel into aircraft.
The requirement of such tank
trucks called refuellers are not
regulated through The
Petroleum Rules 1976.
Industry Quality Control
Manual & Indian Aircraft
Manual may be referred for
safety guidelines in this
regard.