Section 80 in The Petroleum And Natural Gas (Safety In Offshore Operations) Rules, 2008
80. Loads, load effects and resistance .-(1) The loads that may affect facilities or parts of facilities shall be determined in such a manner that accidental loads and environmental loads with an annual probability greater than the value considered, based on the acceptance criteria shall not cause the loss of a main safety function.
(2)When loads are determined, the effects of seabed subsidence above or in connection with the reservoir shall be taken into account.(3)Functional and environmental loads shall be combined considering worst conditions.(4)Facilities or parts of facilities shall be able to withstand the design loads and the probable combinations of these loads at all times.(5)Main load bearing structures shall be designed in such a manner that single component failure or water penetration through outer walls facing the sea cannot lead to unacceptable consequences.
