Transformers shall be shipped with the core and windings fully immersed in oil and hermetically sealed after the transformer has been dried out in an approved manner. All plant and equipment shall be packed in a manner so that they are protected adequately against the tropical climatic conditions encountered during shipment and storage at site. All fragile parts shall be packed separately in an approved manner. Pipe ends
and flanged openings shall be protected against external damage as well as against ingress of dirt and moisture during transit and storage at site.