Saudi Arabia is experiencing a big boom in infrastructure investment, and during the next five to 10 years over $500 billion of construction projects are planned in Saudi Arabia, said Prince Khalid Bin Bandar Bin Sultan for Partnership and Investment. Sembawang Engineers and Constructors of Singapore and Dayim Al-Haditha of Saudi Arabia have entered into a joint venture to handle major infrastructure projects, including hotels and hospitals. The jointly-owned company, with a working capital of SR2 million (100,000 shares at SR20 apiece, is proposed to be incorporated under the name Dayim-Sembawang Engineering, LLC. Sembawang Engineers, a wholly-owned subsidiary of Punj Lloyd Group, announced the formation of the joint venture with Dayim, a Saudi company in Riyadh.