Ladies and gentlemen: how often should the sewage sedimentation tank in the property community be dug? Who will pay for the trench digging?

According to different communities, it is generally checked or cleared once every month to half a year. It depends on the property contract signed with the property company and the qualification of the property company. You can check the specific contents of the property management contract signed with the property management company. Of course, the cost is paid by the property management fee.