This document appears to be a list of Saudi System Specifications from 2016 covering various topics related to electrical power systems and cathodic protection. There are over 30 specification titles listed ranging from material and treatment of wood poles, crossarms and cables to high voltage equipment like motors, switchgear, and grounding systems. The document also includes specifications for adjustable frequency drive systems, cablebus, rectifiers for cathodic protection, and galvanic anodes. It appears to have been checked by various engineers at DIMCO and CAT International related to pipeline projects in Riyadh.