Or equal approved definition

Or equal approved means that products other than those specified may be used provided that the contractor satisfies the Architect/Contract Administrator as to their suitability and obtains his/her written approval. The Architect/Contract Administrator reserves the right to insist on the specified product if such approval is not given.
Or equal approved means that products other than those specified may be used provided that the contractor satisfies the Project Manager as to their suitability and obtains his written approval. The Project Manager reserves the right to insist on the specified product if such approval is not given.
Or equal approved means that products other than those specified may be used provided that the Tenderer satisfies the Architect/Clients representative as to their suitability and obtains his written approval. The Architect/Clients representative reserves the right to insist on the specified product if such approval is not given.