Learning from NBS implementation barriers

This deliverable will report on a deep dive into selected barriers that have been especially difficult to overcome during the PHUSICOS project period Thus the point of departure is cases of unsuccessful NBS implementation at the PHUSICOS demonstration cases for which three proposed projects have been cancelled and several more are confronting implementation difficulties The deliverable will aim to highlight whether NBS failure can be explained by the same factors as grey infrastructure failure and if not what characteristics differentiate it The deliverable will also highlight what governance innovations can mitigate the barriers and provide enablers Depending on the results from preliminary mapping the deep dive will include interviews with relevant stakeholders with experience from 13 of the implementation barriers i lack of knowledge on NBS effectiveness and longterm cobenefits ii the lack of NBS construction expertise on the part of contractors and iii barriers related to financing and insurance The deliverable will be in two parts i Part 1 would report on barriers to NBS implementation as compared to conventional infrastructure ii Part 2 would report on 13 selected barriers with suggestions on governance innovations to surmount them