Invitation for Bids – Construction of Nasolo Box Culvert on Ndirande Ring Road near Ndirande Main MarketROADS AUTHORITY Invitation for Bids (IfB) (National Competitive Bidding) UPGRADINGShare this:TweetLike this:Like Loading... To access this post, you must log in or purchase Gold Monthly Package or Gold Annual Package. Please note that this is an automated process and you can pay with your Mobile money or debit card