Proposed commercial/Residential building on Swahili/Twiga Street Kariakoo Ilala Tanzania Aug 14, 2021 by James Claude Home » Ongoing projects » Proposed commercial/Residential building on Swahili/Twiga Street Kariakoo Ilala Tanzania Architect: M/S Vertex Services Ltd Quantity Surveyor: M/S Nziko Quants Services Consults Structural Engineer: Udile Consultancy Ltd