Bath’s Clean Air Zone - Full business case

Published: 2020-10-05 Updated: 2021-07-22 Subject:

Full Business Case - Summary of Documents

The final, full business case submitted to central government sets out the need for and details of the scheme.

Appendices are also included.

See also: Bath's Clean Air Zone

Documents

• The final, full business case submitted to central government

• Signage at and within the boundary

• Signage in advance of boundary

• Map showing where signage will be placed

• Details of the planned signage strategy, including JAQU guidance and recommended sign faces

• Logs the CAZ boundary changes and the reasons behind them

• Consideration of system design features and the payment exemptions/concessions which were considered

• Charts the flow of data within the CAZ back office system and details the technical and functional requirements of the CAZ

• Summary of the key stakeholders for the project, details of the engagement and communications work undertaken and the plans for

• Summary of the selection of the preferred option, including both charging and non-charging measures

• Assessment of traffic management options at Queen Square and detailed design proposals

• Details of the air quality modelling methodology

• Details of the air quality modelling results

• Details of the transport modelling methodology

• Summary of the ANPR surveys and details of the data analysis for use in the FBC

• Details of additional model validation work to ensure LGV and HGV flows are accurate

• Details of how the behavioural responses of non-compliant vehicles have been calculated

• Details of the modelling process of future year scenarios, and the corresponding results

• Details the methodology of economic assessment, including the approach, key assumptions and the model structure

• An assessment of the positive and negative benefits of the preferred option on key socio-demographic groups

• Derivation of capital and revenue cost estimates for the CAZ

• Draft legal documentation which would implement the CAZ

• Project Plan from now through to CAZ operation

• Details of the stated preference surveys undertaken to determine localised response rates of car or van drivers to a potential c

• Modelling of all known quantifiable risks

• Summary of sensitivity tests undertaken, adjusting known assumptions in the transport and air quality modelling

• A summary of engagement activities to date including all identified issues, views and comments, with responses.

• High level assessment of potential environmental impacts of the proposed scheme besides air quality improvements

• Summary of the consultation at OBC stage

• Summary of the responses to feedback from the consultation at OBC stage

• Summary of the consultation at FBC stage

• Details of how the benefits of the scheme will be monitored, evaluated and realised

• Letter setting out the council's postition with respect to finance

• Funding request submitted to central govt. to set out the need for proposed mitigation measures to support those affected by CAZ

• Equality impact assessment - Clean Air Zone

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