6.
(b)
The Corporation shall provide and
maintain adequate mechanical means of ventilation
of the railway to ensure at all times tolerable
environmental conditions.
(c)
, except in an emergency The Corporation shall ensure that the
noise emitted.
(i)
by any ventilation system when measured
at a distance of 10 m. from a ventilation
shaft or cooling tower does not exceed.
the International Standards Organisation
noise rating curve
(a) N.R. at any time
(b) N.R. between the hours of 11 p.m.
and 6 a.m.
(ii)
from any part of the railway is as far
as is reasonably practicable kept to a
minimum consistent with proper maintenance
and good operational practice.
(a)
The Corporation shall ensure that
vibration emitted due to the operation of the railway
is at all times kept to a minimum consistent with
proper maintenance and good operational practice.
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