Stop Sub-Standard Building Materials from Reaching Nigerian Construction Sites

Independent tests of building materials sold at Nigerian hardware markets have found that up to 60% of iron rods are below specified grade, and a significant proportion of cement sold in smaller towns is either adulterated or counterfeit. Manufacturers produce to standard. The quality degradation happens in the distribution chain. By the time the material reaches a construction site, there is no practical way to verify it. Your challenge is to design a building materials quality verification system that operates at hardware dealer level — not at the factory or at government inspection points. It must enable a contractor or self-build home owner to verify the quality of iron rods, cement, and hollow sandcrete blocks before purchase, at under ₦500 cost per verification, with results in under 15 minutes. Submit a technical design document (max 10 pages) including: the verification method for each material type, test kit design and cost, how results are connected to batch traceability, how fraudulent dealers are reported and tracked, and a plan to deploy to 1,000 hardware dealers in three states. Judging criteria: 40% technical validity of verification methods, 30% cost and usability at dealer level, 20% batch traceability design, 10% dealer deployment plan.