8,049 £1,488,743 Benefits per year £16,535 £59,471 £109,411 £148,612 £303,484 £285,405 £280,959 £325,912 £409,238 £1,939,027 Benefits – Costs -£409,963 -£56,268 -£59,829 £15,741 £198,227 £162,267 £75,635 £213,285 £311,189 £450,284 Benefit / cost 4% 51% 65% 112% 288% 232% 137% 289% 417% 130% Figure 15: Cost vs benefits summary (base scenario) Figure 13: Cost Summary Social Finance Limited +44 (0) 20 7770 6836 87 Vauxhall Walk, London SE11 5HJ socialfinance.org.uk 52 6. Evaluation of the implementation of the TFD and associated products 6.1 Introduction Our process evaluation focuses on the implementation of the TFD and associated products. As such, our evidence is primarily, but not exclusively, taken from interviews with the Insight Bristol team who led this work. This includes former and current members of the team, who have been listed as simply team members to preserve anonymity where possible. However, we have named the ‘Head of Service’, which denotes the most senior person responsible for developing and taking decisions in respect of the TFD. As with our outcomes evaluation, we use elements drawn from our initial theory of change as the basis to structure our analysis, this time focussing on different implementation activities. These include tasks in relation to project set-up, project implementation, training and support and information governance. It is important to set this section in an appropriate context. As the section will outline, at the point of commencing implementation of the TFD, there was felt by the Head of Service to be a certain culture of risk aversion at Bristol City Council, as well as significant budgetary constraints. As such, the Insight Bristol team describe how choices around delivery were often made out of necessity rather than a consider