Eight companies have been invited to bid by 11 March for the Navigation Tower project in Doha. The invited companies are: Al-Huda Engineering, Al-Jaber Trading & Contracting, Construction Development Company (CDC), Contraco, Midmac Contracting, and SEG, all local; France?s Bouygues; a joint venture of Medgulf Construction and Multiplex of Australia; and Saudi Arabia?s El-Seif Engineering Contracting Establishment. The project involves the construction of a 52-storey, 220-metre building which will have a total built-up area of 116,700 square metres. It will include a six-storey car park with space for up to 1,700 vehicles. The US? Hill International is project and construction manager (PM/CM); the local MZ & Partners is carrying out the design work. The client is Qatar Navigation (MEED 15:7:05).