Section 27(5)(e) in The Static and Mobile Pressure Vessels (Unfired) Rules, 2016
(e)in case of mounded installations consisting of vessel of water capacity up to 100 KL each, the centre of tank truck hardstand and fill point shall be minimum 4.5 M from the edge of the vessel and 9 M from property line or fencing. In case of vessel of water capacity exceeding 100 KL each, the centre of tank truck hardstand and fill point shall observe minimum 9 M from the edge of the vessel and 9 M from property line or fencing.