EEMUA Publication 158, titled "Construction considerations for floating production, storage and offloading units (FPSOs) and floating storage units (FSUs)" , is a definitive industry guide published by the Engineering Equipment and Materials Users Association (EEMUA).
EEMUA 158 is a practical, industry-oriented guide for managing alarm and protective device systems across their lifecycle. When combined with functional safety standards and sound engineering judgment, it helps ensure that detection and protective layers operate reliably, are maintainable, and deliver required safety performance in hazardous process environments. eemua 158 standard pdf
Your EEMUA 158 PDF should be the master document. Create a controlled register: EEMUA Publication 158