As Built Survey services in Lagos, Abuja and Port harcourt, Nigeria
An as-built survey is also known as a ‘works as executed survey’ and documents the location of the recently constructed elements that are subject to completion evaluation. As built surveys are often presented as an overlaid over existing design plans for direct comparison with design information.
A survey of existing site infrastructure and improvements to obtain dimensional and vertical data, so that constructed improvements may be located and delineated. The survey is carried out during or immediately after a construction project for record, completion evaluation and payment purposes.