50 - ودُعيت أكثر من 20 شركة إلى تقديم عطاءات، ولم يرد سوى ثلاثة عطاءات تولت هيئة استشارية تقييمها من الناحيتين التقنية والمالية.
More than 20 companies were invited to bid, but only three bids were received, and these were evaluated technically and financially by a consultancy.