Planned day job gone wrong, business lost

Your team supposed to have a day-to-do jobcard to replace a complex cable. They left before the closing hours leaving the building hence the residents with no connection for the whole day. We prepared for 8am to 5pm network cut for this agreed timeframe but now we are still with no network as the day 2 kicked in. We work from home and network is the source of our income let alone we pay for this time to get connected. While some tasks may take longer I understand but this is unacceptable since it's a pre-planned job for few months and yesterday jobcard supposed to be the finishing stage.

Who will pay for the business missed..we can't just keep purchasing data which is expensive nor using public Hotspots which are unsafe??