Sleeper renewal

Shami made this Freedom of Information request to Transport for London

This request has been closed to new correspondence from the public body. Contact us if you think it ought be re-opened.

The request was successful.

Dear Transport for London,

Please would you give details of the numbers of each sleeper type e.g. concrete, concrete bock, steel, softwoood, and bearer type you install annually.

Yours faithfully,

Shamiso Mutukwa

FOI, Transport for London

Dear S Mutukwa

 

TfL Ref: 2622-1718

 

Thank you for your web request received by us on 12 December 2017 asking
for information about sleepers.

Your request has been considered in accordance with the requirements of
the Freedom of Information (FOI) Act and our information access policy. 

 

Unfortunately, from the description provided, we are unable to identify
the information you require.  Please can you confirm if you are asking
about the sleepers installed on the DLR or another mode of transport.
Please also can you specify a time period that you want the information
for.

 

To enable us to assist with your request, please provide a more detailed
description of the information you’re seeking together with any other
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Yours sincerely

 

 

Sara Thomas

FOI Case Management Team

General Counsel

Transport for London

 

 

 

 

 

Sleeper renewal. Please would you give details of the numbers of each
sleeper type e.g. concrete, concrete bock, steel, softwoood, and bearer
type you install annually.

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References

Visible links
1. http://www.tfl.gov.uk/corporate/about-tfl/

Dear FOI,

Please would you provide any information that you have for annual sleeper and bearer renewal numbers based on type: wood, steel and concrete or meters converted from wooden sleepers to slab track for 2012-2017 for Docklands Light Railway, Croydon Tamlink and London Underground.

Yours sincerely,

Shami

FOI, Transport for London

1 Attachment

 

Dear Shamiso Mutukwa

 

TfL Ref:  2622-1718

 

Thank you for your email received on 25 December 2017 asking for
information about our sleeper and bearer renewal numbers for the period
2012-2017 for Docklands Light Railway (DLR), Croydon Tramlink and London
Underground.

 

Your request has been considered in accordance with the requirements of
the Freedom of Information Act and our information access policy. I can
confirm that we hold some of the information you require.

 

Please note that we have provided data for as far back as we hold it.

 

DLR:

 

The following numbers and types of sleepers were installed on the DLR
network in the last year by our Franchisee and Concessionaire Track
maintainers. Please note that no sleepers were installed by DLRL.

 

Concrete sleepers 60
Wooden sleepers 42
Joint timbers 24
S&C timbers 15
Steel sleepers 0

           

 

We only hold the data for the last year as there is no contractual
obligation for our Franchisee or Concessionaire to keep these records.

 

Croydon Tramlink:

 

2017 Gravel Hill Track Renewal 1590 Concrete Sleepers; Type: CEMEX 1502

 
2017 Morden Road Track Renewal 1100 Concrete Sleepers; Type: CEMEX 1502

 
2014 Mitcham Junction Beddington Lane Twin Tracking =2285
Concrete Sleepers; Type: CEMEX 1502
2013 Mitcham Junction Mitcham Twin Tracking = 2414 Concrete
Sleepers; Type: Stanton Bonna M450
Mono-block

 

 

We have also carried out the occasional ad hoc replacement of sleepers
under maintenance.

 

London Underground:

 

 

  2012 2013 2014 2015 2016 2017
Softwood 1,042 1,627 1,719 1,988 1,027 2,124
Concrete 6,176 19,887 8,593 3,400 1,376 863
Hardwood 230 317 131 979 1,468 666
  7,448 21,831 10,443 6,367 3,871 3,653

 

If this is not the information you are looking for, or if you are unable
to access it for any reason, please do not hesitate to contact me.

 

Please see the attached information sheet for details of your right to
appeal as well as information on copyright and what to do if you would
like to re-use any of the information we have disclosed.

 

Yours sincerely

 

 

Sara Thomas

FOI Case Management Team

General Counsel

Transport for London

 

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