|
|
Servicing Intervals
|
Test Method
|
|
|
End of first
year
|
WP test
|
|
|
End of second
year
|
WP test
|
|
|
End of third
year
|
WP
test
|
|
|
End of fourth
year
|
WP
test
|
|
|
End of fifth
year
|
GI
test
|
|
|
End of sixth
year
|
WP test
|
|
|
End of seventh
year
|
WP test
|
|
|
End of eighth
year
|
WP
test
|
|
|
End of ninth
year
|
WP test
|
|
|
End of tenth
year
|
GI test +
FS
|
|
|
Eleventh to
fourteenth year
|
NAP test +
FS
|
|
|
Fifteenth
year
|
GI test +NAP
test + FS
|
|
|
Sixteenth to
nineteenth year
|
NAP test +
FS
|
|
|
Twentieth
year
|
GI test +NAP
test + FS
|
|
|
Twenty-first
to twenty-fourth year
|
NAP test +
FS
|
|
|
Twenty-fifth
year onwards
|
GI test +NAP
test + FS
|
| NAP
|
— Necessary additional pressure test (appendix 1)
|
| WP
|
— Working
pressure (compressed air)
|
|
| GI
|
— Gas
inflation (fitted gas)
|
|
| FS
|
— Floor
seam
|
|
|
|
|
|