Increased vigilance by HSE/OSHA inspectors in recent years has highlighted the need for improved tanker top access facilities. The majority of tanker access is required for loading or unloading, however in many cases operators need to have access to tanker tops to check security of man-lids or sample product. The most common form of tanker access and enclosure is the Folding Stair, these can be configured with a range of steps and step widths together with safety baskets. In case of a high variance of tankers and large working areas, a complex protecting grating system may be the better solution.