Suitable and capable service providers are invited to bid for the establishment of databases of competent service providers to assist the client with built environment maintenance projects, specifically electrical, mechanical, building and plumbing services for a period of three years (36 months) with an option to extend for a further 2 years (24 months): Chemical Toilets. Specifications: - Desludging of VIP toilets and septic tanks. - Chemical toilets: supply and maintenance. (投標 №113011241cn)