HS2 Vibration Characteristics Study

HS2 Vibration Characteristics Study

For this study, the analysis shall be limited to the Northolt tunnel. The outcome of the study shall be a single consolidated report, defining technical requirements to be placed on new infrastructure and rolling stock design while cognisant of the limitations of the existing UK network. 

Reference number:HS2/246

Deadline date:26/09/2014

This deadline is for…Submission of Tender Response

Contract value: £10,000 – £40,000

Location where the contract is to be carried out:London

Is this suitable for smaller suppliers?Yes

Name of the buying organisation:High Speed Two (HS2) Limited

Description of the contract

As part of HS2 Ltd’s work in designing an integrated railway proposition, a study is required to determine which of the main high speed resilient track systems currently available on the market are considered to be efficient solutions and can achieve the vibration levels committed on the Environmental Statement (ES) without compromising track stability and its performance. For this study, the analysis shall be limited to the Northolt tunnel. The outcome of the study shall be a single consolidated report, defining technical requirements to be placed on new infrastructure and rolling stock design while cognisant of the limitations of the existing UK network. The study shall achieve the following objectives: Objective 1: Propose a strategy for assessing and analysing the railway vibration levels from several high resilient track forms and their impact at the receiver positions along the Northolt tunnel. The strategy will take into account the criteria and the methodologies developed by HS2 Ltd for the ES together with other relevant standards and will proportion suggestions to improve it as far as practicable. Objective 2: Perform an assessment of the vibration levels generated by HS2 rail traffic and their propagation through the different types of track systems at different sections of the tunnel, up to the residences in the potential ‘hotspot’ areas along the Northolt tunnel. The vibration exposure levels computed at the receptor locations will be compared against the established ES threshold and the hotspot areas currently identified by HS2 Ltd, in order to check which of the selected track systems complies with the requirements stated on the ES. Objective 3: Cross check the results obtained in this study with the analysis performed by HS2 Ltd in the ES. A number of parameters like the roughness spectra and track insertion loss respect for the different track forms will be provided. Objective 4: Produce a set of requirements based on the outcomes of the study for their inclusion in the track specifications, which the minimum desirable characteristics for the resilient track form shall be defined. Objective 5: Analysis of possible additional counter measures to be implemented as alternative or complement to the track system in order to reduce noise and vibration impacts.

 

Documents

 

Classification of the contract

72242000Design-modelling services

71350000Engineering-related scientific and technical services

71311230Railway engineering services

Additional information

Contract type:Services – Unspecified

Is it a framework agreement?No

Is this contract related to a programme of funding?No

Contract will be awarded based on:Most economically advantageous tender in terms of: The criteria stated in the contract documents

Estimated length of contract:9 Months

 

Who to contact

Contact nameMatthew Keenan

Organisation nameHigh Speed Two (HS2) Limited

AddressOne Canada Square, Canary Wharf, London, E14 5AB

Telephone

Extension number:

Fax

How to apply

All potential suppliers must obtain details of the Invitation to Tender (ITT) and submit their tender through the HS2 eSourcing portal. All potential suppliers are required to express an interest by registering on the HS2 eSourcing portal (www.hs2.bravosolution.co.uk). Registering is only required once. Registering: Potential supplier should browse to the HS2 eSourcing portal and complete the following: a) Click the ‘click here to register’ link. b) Accept the terms and conditions and click ‘continue’. c) Enter your business and user details. d) Note the username you use and click ‘save’ when complete. e) You will then receive an e-mail with your unique password. Access to the ITT: a) Login to the HS2 eSourcing portal with your unique username and password. b) Click on the ‘ITTs open to all suppliers’ link. c) Click on the relevant titled ITT item. d) Click the ‘express interest’ button in the ‘actions’ box on the left hand side of the page (this will move the ITT pack into the applicants ‘my ITT’ box). This is a secure area for projects only. e) Click on the ITT code. The applicant can now access any attachments by clicking the ‘settings and buyer attachments’ in the actions box. f) Download the documents relating to the ITT. Click ‘attachments’ on the left hand side. The number in brackets refers to number of documents that need to be downloaded. Click on the bold and underlined filename. Select ‘save’ and store on your PC. Responding to the ITT: a) Instructions on completing the ITT through the eSourcing Portal are contained in the the ITT documents. For further assistance contact the BravoSolution helpdesk which is available Monday to Friday (8:00 am to 18:00 pm) GMT on: a) email – help@bravosolution.co.uk or b) telephone +44 8003684850.