You can buy Imachinery here.

For backup power, in case of turning off electricity, it makes sense to put diesel or gasoline power plants. To install some of them, the basement will come in handy. For the sifting of the Earth, an excavator and other special equipment may be needed. You can buy Imachinery here. Spare parts for special equipment used in construction. After installing all the main devices in the premises, you can do the finish, lighting.