The Saudi Arabian Mining Company "Ma'aden", represented by Ma'aden Company for Infrastructure, has concluded a SR 563 million contract with a national company. Under this contract, the company shall be responsible for engineering designs and works and implementation of infrastructure and housing as the first stage to build the residential city within King Abdullah Project for the development of Wad Al-Shmal city. King Abdullah Project for the development of Wad Al-Shmal city is located on 440 square kilometers, of which 150 square meters are allocated for Ma'aden's projects. The contract that was concluded at the company's headquarters here yesterday included the preparation of engineering studies, designs, supervision, construction of major and sub-roads, public utilities, water stations and communications networks.