Dear NSHAMSN!
Thanks for the help!

However necessary standards Shell
- HSE Manual EP 95000;
- Risk and reliability management OG 04-30260;
- Risk and Reliability Management (RRM) manual OP 99-30517;
- Instrumented protective functions (IPFs) to manage flare header hydraulic design OG 05-50616;
- Safety instrumented system failure rate data OP 04-507704;
- Overview hazards and effects management process (HEMP) EP 95-0300;
- Quantitive risk assessment EP 95-0352;
- Physical effects modelling EP 95-0314
in the given archives are not present.

The specified standards are presented only in references of some documents (for example in DEP 32.80.10.12-Gen. - Manual. Management of instrumented protective functions; DEP 32.80.10.10-Gen. – Manual. Classification and implementation of instrumented protective functions; DEP 80.80.00.13-Gen. and in others).

Please help me.
In advance thanks.
Yours faithfully nisus