The overall objective of the assignment is to provide consultancy services for the Urban Sanitation Project focusing on detailed technical studies and designs for OSS and FSTPs to be implemented in cities of Tete and Quelimane, which comprise: Engineering Design of Sanitation Infrastructures (Toilets for Household Sanitation, Public Toilets and Faecal Sludge Treatment Plants), including the detailed developing faecal sludge management business in Tete and Quelimane