specified. Outdoor equipment shall be designed so that water cannot collectat any point. The undersides of all tanks shall be ventilated in an approvedmanner to prevent corrosion.Where applicable, equipment should tolerate the effects of freezing and airpollution.Where personnel have to be in attendance frequently, or maintenance has tobe regularly carried out, permanent means weather protection or sunshadesshall be provided.Where the performance, reliability or life of the Plant would be adverselyaffected by solar radiation, including the effects of prolonged exposure toultra violet light, suitable sunshades shall be provided. Such sunshades shallbe constructed from materials that are able to withstand the effects of theambient conditions on Site without suffering any deterioration in materialstrength or effectiveness.Sunshades need not be provided on outdoor plant or