“Operating data is normal, and the cable exterior shows no signs of rat bites or external damage.” On April 1st, near the Foxconn Technology Park in Jiyuan City, the distribution cable team of Jiyuan Power Supply Company inspected the 10kV underground cables of the 110kV Qingshui Substation, conducted special checks on cable line markers and stakes, re-verified data information, and ensured the cables are safe, reliable, and in optimal operating condition.
Cable channels are the “underground corridors” for power transmission. Jiyuan Power Supply Company coordinates operations, refines management, deeply investigates underground cable safety hazards, and strives to build a “safety net” for cable line operation. Based on the layout of power cables, responsibilities are clearly defined, and in strict accordance with design standards, operating procedures, and anti-accident requirements, fire protection facilities in cable tunnels and cable trenches are inspected in a centralized manner by zones and groups. The safety performance of cables and the sealing of fire-resistant putty are carefully assessed, with high and low voltage cable channels that have been in operation for a long time or built to lower standards being the focus of inspections. Cross-checks and targeted supervision are combined, and inspection results are carefully confirmed and recorded. Any identified shortcomings or hazards are promptly reported, and fire prevention measures are implemented to ensure fire risks are controllable, manageable, and under control. Following the principle of “zonal division and piecewise responsibility,” safety hazard inspections and rectifications are carried out on underground cables within the jurisdiction, with a focus on underground cables that cross or overlap with other pipelines such as gas, sewage, heating, and communication optical cables, or are laid in the same trench. Inspection results are carefully confirmed and recorded.
At the same time, communication with municipal, road, and landscaping departments is actively strengthened, with early intervention and scientific formulation of cable line protection plans. Procedures for reviewing and approving construction plans within the protection zone of distribution network lines are established, and construction units are proactively briefed on construction techniques and safety measures. During construction, full-process tracking and inspections are conducted to effectively eliminate safety hazards in their infancy, minimize external damage to cable line facilities, and ensure the safe and reliable operation of underground cables.
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