Noise Insulation Qualification Report Notes
Notes
| [1] |
These are the worst-case operational assumptions for the first 15 years after the opening Section 2 (i.e. based upon operation of section 1 and section 2). The assumptions are those agreed with the local authorities as part of the CTRL Environmental Statements and as part of the consents under Schedule 6 of the CTRL Act 1996. Although noise mitigation has been provided and noise insulation offered against these assumptions, it does not mean that these services, or level of service will necessarily be operated. |
| [2] |
Eurostar services are able to run at increased speeds (up to 300 km/hr where the alignment permits) for timetable recovery, as required. Only a proportion of the services will run at these higher speeds. |
| [3] |
Actual speeds maybe less than those shown due to horizontal curves or vertical gradients. |
| [4] |
The Regional Domestic Operator services is currently been developed by the Strategic Rail Authority. The concept of 8 and 12 car formations may be changed to 6 and 12 car formations. This will not increase noise levels. |
| [5] |
The nature of freight services in CTRL is also being developed. International freight was originally considered in the Addendum to the CTRL Environmental Statement in 1995. At the time it was considered that freight services would comprise 750 metre long trains carrying containers, cars or car components hauled by two electric locomotives running at 140 km/hr along the route. These movements have been allowed for in the noise calculations even though it is unlikely that this type of freight train will operate on CTRL. Other forms of low mass, higher value freight (e.g. parcels) are morelikely carried perhaps in modified passenger trains. None of the freight options being currently considered are predicted to give rise to higher noise levels than the assumptions in these calculations as has been agreed with the local authorities. |
Copyright Union Railways Property Ltd 2004
Created : Tue,01 May 2007
Updated : Mon,05 Mar 2007
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