Transnet National Ports Authority (tnpa) has published for the provision of services for the desludging of septic tanks and cleaning of septic tanks, manholes, sewer and stormwater network (super sucker, vacuum tanker and jet blaster) in kwa- zulu natal on an "as and when" required basis" for a period of 24 months for a period of 24 months. Bidders can get complete Tender details and download the document.