8. Put the bath in
9. sort out the drainage plumbing
10. Insulate the bath using bubble-wrap sheets from model aeroplane deliveries
11. Finish off the framing
12. Test the drainage system
13. do the sealant and grouting and deploy bubble-bath nuclear ice-breaker
14. Complete full commissioning overload stress test with Senorita to check the seals stay intact under duress