the first rule? This system is formulated in order to thoroughly implement the relevant provisions of the State Grid Corporation's "Electric Power Safety Work Regulations", standardize the on-site investigation work, and ensure the safety of construction and maintenance operations.

article 2? The on-site investigation system should be strictly implemented before the construction and maintenance projects are carried out, and records should be made carefully.

article 3? This system is applicable to all power generation and supply units under Jilin Electric Power Co., Ltd..

erection and dismantling of power line towers;

2. the power line is tight and the ground wire is removed;

3. Innovation, experiment and scientific research projects on power lines (towers);

4. involving the joint power outage operation of two or more secondary units;

5. Live working on 66kV and above lines except live testing insulators and 22kV live replacing insulators;

6. Double-circuit (multi-circuit) lines erected by the same tower in power transmission specialty, and the complicated operation of power failure of one line;

7. The work of filling the first working ticket and live working ticket of lines (cables) for power distribution operation;

8. Emergency repair;