The works include excavation and shoring, Dubai Investments Real Estate Company (DIRC) told Zawya.
This mixed-use project is expected to be completed by the end of 2018.
The Phase includes 1,054 apartments in its three components, Janayen Avenue, Nasayem Avenue and Al Multaqa Avenue.
Foundation works for Janayen and Nasayem Avenues are nearly 75% complete and ground floor slabs are under way.
Mirdif Hills is spread across an area of 3.9 million square feet and include studio, one, two, three-bedrooms and duplex apartments as well as a four-star hotel with 116 rooms, 128 serviced apartments and a 230-bed hospital.