COLOUR CODING
(a)` The following five colours have been
selected for colour coding of cylinders for the
re-test due in next five
years. After five years, the same colours can be repeated in the same order:
Cylinder re-tested / hot
repaired in the year
|
Next
Re-testing cycle
|
Background Colour
|
Background colour Shade as
per IS:5
|
Lettering
colour
|
2001
|
2006
|
Dove
Grey
|
IS-694
|
Black
|
2002
|
2007
|
Black
|
IS-521
|
White
|
2003
|
2008
|
Yellow
|
IS-355
|
Black
|
2004
|
2009
|
White
|
IS-127
|
Black
|
2005
|
2010
|
Sea
Green
|
IS-217
|
Black
|
(b)
The height of the lettering
shall be
of 25 mm.
The
above colour scheme shall be followed by the statutory testing plants and hot
repairers.
9.2.5 The above
colour coding scheme shall
also be
followed by the Oil Industry
in respect of cylinders in circulation due for next testing.
9.2.6 It is essential that the periodic
visual inspection of marking, painting and stamping on the cylinders is
undertaken at the bottling plants to ensure that these are legible at all
times.
9.2.7 Since the stamping and
marking are done at the time of re-testing, the next due date of hydrostatic
test can be easily established.
9.2.8 Statutory testing plants
stenciling the next date for re-testing on the vertical stays of the cylinders
with proper colour coding as above and as such the next date of re-testing
can be easily found out from the colour coding and marking.
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