Select Committee on the Crossrail Bill Minutes of Evidence


Examination of Witnesses (Questions 2860 - 2879)

  2860. CHAIRMAN: I am merely concerned that all the Petitioners should know where to look for your case.

  2861. MR ELVIN: My Lord, while Mr Mould was on his feet, the Petition Response documents which, as the Committee knows, are sent out two to three weeks in advance of any hearings, refer to the relevant Information Papers. Certainly as an example I am looking at a Petition Response document to Spitalfields Small Business Association, Kay Jordan, and it specifically refers to Paper B8 in answering issues with regard to environmental assessment and to human rights. So, as far as I can see, their attention has been drawn specifically to them but if the Committee wishes to send a further reminder, we can do that this evening, but it has already been sent out to them in the form of the Petition Response document. That is part of the function of the PRDs.

  2862. CHAIRMAN: I am raising it at this stage, Mr Elvin, because I do not want the Petitioners to come along and say that they have never heard of this.

  2863. MR ELVIN: Well, in that case, you Lordships also will need to look at the House of Commons Select Committee because this is an issue we have been over several times with the same Petitioners.

  2864. CHAIRMAN: I agree that you have said in your Response Document that it has been set out. I just do not want Petitioners to come here and say they are lost amongst all this paperwork. I hope they will not be.

  2865. MR ELVIN: So do I, my Lord.

  2866. CHAIRMAN: I interrupted you, I am so sorry.

  2867. MR ELVIN: No, my Lord, the purpose of this is for me to assist the Committee with the issues. My Lord, if it is convenient, I will briefly run through the various issues which have been identified.

  2868. My Lord, on the "need" question, the location of the alignment, clearly as the Committee will be aware there is a need to link Liverpool Street and Whitechapel Station with an alignment which retains and allows improvements to Liverpool Street, in the form of a new ticket hall, and to Whitechapel Station, and the Committee will be well aware of the need for improvements to Whitechapel Station. The alignment we propose lies within the Bill's limits of deviation and we say, as the Committee has already put to Mr Carpenter, that suggestions with regard to alignments which lie significantly away from the Bill alignment fall outside the principle of the Bill and therefore are not matters properly for the subject of petitioning. Indeed, it is fair to say that the Select Committee in the other place took a similar view. In any event, so there is no doubt about our position on the alignment, let me make these points clear.

  2869. Many alignments were considered at the stage of designing and considering the project along the whole route of Crossrail , including this area, and the preferred option, which was eventually costed and became the Bill scheme, was the final result of an exercise which was carried out across the whole route. Alternative alignments in this area were considered prior to the selection of the Bill scheme and the other alignments were rejected in favour of the Bill alignment. The southern routes which are mentioned by the Petitioners particularly in Spitalfields are not considered, whatever view one takes, as an appropriate choice because an alignment to the south would pass through an area which comprises a large number of multi-storey buildings with deep pile foundations, often 20 to 30 metres deep, which expose the project and the building owners and occupiers to considerable risk from ground movement and from damage should the tunnel boring machines pass under them.

  2870. The route which has been selected is a relatively pile-free alignment and you can see from this document here we have projected downwards in a graphical way the depth of the piles which are anticipated for the buildings along the southern alignment, and to these buildings are now added projects such as the Heron Tower at 110 Broadgate which is now under construction. The issue is not only one of increased risk of instability but, as the Committee knows, the tunnel boring machines are constantly at work 24 hours a day, seven days a week, and there is a real risk because the absolute and precise depth of the piles and their location are not precisely plotted on any plans. There is a risk of course that the tunnel boring machines would collide with the piles. So, as the Committee can imagine, a route was sought to be selected which would be satisfactory in engineering terms and would not generate the risks which the southern alignment generate.

  2871. If you require any information further on this issue—and I appreciate what my lord, Lord Colville said to Mr Carpenter a few minutes ago about the principle of the Bill—however if there are any questions which the Committee has, Mr Berryman in due course will be able to answer those and answer how the process went about looking at the alternative alignments.

  2872. Turning now to the shaft at Hanbury Street, at the moment the requirements of ventilation and emergency intervention are requirements imposed on us by the safety regulators, Her Majesty's Road Inspectorate and the Fire Service. They are required at roughly one kilometre spacings and, on the alignment between Liverpool Street and Whitechapel, the Hanbury Street location is the general area in which the shaft has to be located and indeed it is the least damaging location because other locations would include in the middle of the residential properties further to the west, or Brick Lane, or indeed Spitalfields Market, and this site was chosen as being on the alignment and most appropriate in terms of its lessened impact on its surroundings than other locations would generate.

  2873. The general position on the selection of ventilation and emergency shafts is found in Information Paper A4 which I hope is properly indexed because it is an earlier paper than B8.

  2874. Although there was an initial misunderstanding with the London Borough of Tower Hamlets about the continuing need for the shaft, the position which has been made clear to the London Borough of Tower Hamlets that we are continuing to work on the issue of the shaft and are in discussion with the safety regulators. Should it become possible to remove the need for the shaft, because the safety regulators are satisfied a shaft is no longer required, then of course there will be no need to proceed with the shaft. However, we are in the hands of the safety regulators as to what their requirements are, and we have given an undertaking to the London Borough of Tower Hamlets, which I hope can be put up—it is Undertaking 394—and that is an undertaking which effectively commits us to continue to work on the options for the shaft in the hope that further work will lead to the need for the shaft being removed.[6] However, I have to make it absolutely clear, so no one is under any misapprehension, that we do not have the sign off of the safety regulators at the moment, and at the moment therefore the modified Bill scheme which is before this Committee is still that which we have to pursue.

  2875. On the issue of settlement, Petitioners raised concern about potential ground settlement in connection with the construction of the running tunnels through the Spitalfields area, particularly in the light of the presence of a number of historic buildings in the middle of the petitioner zone in and around the area beneath which the running tunnels for Crossrail are to be constructed. There are a series of plans which we will be able to deploy to show your Lordships the location of the Petitioners' respective properties in relation to the running tunnels and to the shaft, and some are being put up now.

  2876. CHAIRMAN: And it is a conservation area too, is it not?

  2877. MR ELVIN: It is indeed. One of the reasons for this alignment is that it avoids the running tunnels going underneath Christ Church Spitalfields, which the Committee may well be aware of—I think it is being pointed out—which is a Grade I listed building and of considerable architectural and historical importance and it seemed appropriate the tunnel should at least avoid the risk of going directly underneath that church.

  2878. The Promoter has done a considerable amount of work, as the Committee will have already heard from Professor Mair on the second day of the hearings, to ensure that the settlement impact on all buildings, including listed and historic buildings, has been adequately assessed and appropriate mitigation measures put in place. Professor Mair explained to the Committee the methodology which the Promoter has applied to the assessment of settlement, and settlement assessment reports which have been produced which consider every individual structure within the permitted zone of influence along the route, that is within the 10 metre contour.

  2879. The results of the assessment process are reported in one of two ways. Firstly, there is the reporting process for listed buildings, these are the subject of individual reports, such a report as been produced for all listed buildings within the permitted zone of influence within the Spitalfields area, and we have included copies of those reports in the exhibit packet. The individual reports include a heritage appraisal which, amongst other things, identifies any feature of particular architectural or historical importance or matters of sensitivity.



6   Crossrail Ref: P23, Extract from the Register of Undertakings and Assurances, No. 394 (TOWHLB-XR5C-012) Back


 
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