Neda Engineering Group Petroleum Industry Inspections are done according to API 653 and API570. Neda has invested a large amount of time, effort and money to obtain the necessary knowledge, most up-to-date literature and machinery available. Neda has, in its arsenal of equipment, the Silverwing Floormapper VS and Silverwing Scorpion Scanner for floormapping and External Thickness scanning of a tank shell. Neda Visual Engineering Inspections are done according to API 653. Neda has vast experience and firsthand knowledge of the relevant API standards in order to perform a thorough visual inspection of an Above Ground Storage Tank (AST).