Transnet National Ports Authority (tnpa) has published deployement of a continuous welded rail longitudinal stress monitoring system from loop 3 to erts on the ore corridor for a period of six (6) months and maintenance twenty-four (24) months bidders are required to ensure that electronic bid submissions are done at least a day before the closing date to prevent issues which they may encounter due to their internet speed, bandwidth or the size of the number of uploads they are submitting. transnet will not be held liable for any challenges experienced by bidders as a result of the technical challenges. please do not wait for the last hour to submit. a bidder can upload 30mb per upload and multiple uploads are permitted. Bidders can get complete Tender details and download the document.