South African National Biodiversity Institute (sanbi) has published the appointment of a multidisciplinary team, with a consulting engineer as the principal agent, for infrastructure upgrades, including rehabilitation of concrete and paved walkways, construction of boundary wall and upgrades to bird aviary and three suspention bridges, for the south african national biodiversity institute (sanbi) at the national zoological garden in pretoria, pretoria. Bidders can get complete Tender details and download the document.