Very short post - while preparing to close the tunnel, I noticed both brake lines were catching on one of the pop rivets:
 |
| Brake lines touching the pop rivets just aft of the first Adel clamps |
We added small 3mm spacers between the tunnel wall and the Adel clamps, which was sufficient to make them clear:
 |
| Brake lines clearing the rivet after adding a spacer |
Time lapse:
Total brake line rivets: 8
Total brake line time: 11.4h