I don’t really understand this . Can someone please help me ?

Answer:
This document explains various public safety measures that need to be considered whilst planning a hydropower project.
Explanation:
Public Safety Measures:
Public safety measures are precautions, policies, actions or considerations that ensure the safety and welfare of the general public.
Since hydal power involves the use of heavy and fast flow of water, people using the lake, river, stream etc must be protected. The listed measures are as follows: