Proposed Commercial / Residential development on Swahili/Mafia Street Ilala Tanzania Aug 14, 2021 by James Claude Home » Ongoing projects » Proposed Commercial / Residential development on Swahili/Mafia Street Ilala Tanzania Architect: Vertex Services Ltd Engineer: S.W Msambaza Design Consultant Quantity Surveyor: Nziko Quants Services Consult Mechanical Engineer: Mekon Consulting Engineers