THE NATIONAL RESEARCH FOUNDATION - SOUTH AFRICAN AGENCY FOR SCIENCE AND TECHNOLOGY ADVANCEMENT (SAASTA) INVITES TENDERS FOR APPOINTMENT A SUITABLE CIDB GRADE 1SL (OR HIGHER) SERVICE PROVIDER TO REMOVE, SUPPLY, DELIVER AND INSTALL STEEL TRELLIS AND STEEL BURGLAR GATES REINFORCEMENTS TO IMPROVE SECURITY AT ST JOHNS COLLEGE TECHNOLOGY AND INNOVATION HUB