The World Bank Group Office is an Edge certified structure in Accra Ghana, a landmark eco-friendly 5-storey structure exhibits ergonomic standards, energy conservation and sustainability criteria in the planning of the building's unique technological systems. The mechanical, electrical and plumbing (MEP) systems of the building carried out by Lambert Electromec ltd incorporates resource-efficient technologies, including a black water treatment and recycling system. Reuse of the pre-existing floor slab, roof, walls and windows nearly negated embodied energy in materials.