Public Works And Infrastructure has published repairs, maintenance, service, replacement of ht transformers, min substation, switchgears, ht cables and a supply of 01 mobile transformer, 01 mobile switchgear (workshop) to various areas within the jurisdiction of johannesburg regional office for a period of 24 months. cidb grading required is 6ep or higher, johannesburg. Bidders can get complete Tender details and download the document.