Distributional Section Job Schedule

NETWORK OPERATIONS SECTION

  • Ensure operational security of the system.
  • Ensure maintenance and workability of the systems with other sections at all times.
  • Prepare operational report for management attention on a daily basis.
  • Ensure compliance with company standards.
  • Engage in load sharing when and where necessary

SUBSTATION SECTION

  • Installation, testing and commissioning of system components like transformers, Low and High voltage panels, switchgears, circuit breakers etc.
  • Manually monitor the operations of switchgears, transformers, etc.
  • Monitor transformer oil drainages and refill where level is unsatisfactory.
  • Monitor the performance of system protection equipment (e.g. Control panel, D.C. supply, etc).
  • Carryout load studies on transformers and make recommendations
  • Carry out the following various tests on substation equipment to certify them appropriate and fit for operation
  • Cleaning of all substation facilities and environments in the network.
Repair of Low voltage panels and other substation equipments

OVERHEAD SECTION

  • Construction, maintenance and operation of overhead lines (high and low voltage).
  • Electrical testing of overhead

UNDERGROUND SECTION

  • Location of underground cable fault and Excavation of cables
  • Maintenance of all underground cable faults in the Distribution network
  • Carry out all terminations ranging from high tension panels, busbar and ring mains unit system
  • Jointing of all underground cables within the Distribution Network
  • Planning and determining cable routes, lengths, etc for new constructions.

SERVICE CONNECTION SECTION

This section is mainly responsible for the installation and connection of service to various consumer premises (Residential/commercial/industrial) for the supply of electricity. Some of the major functions of the service connection section include:
  • Inspection of premises
  • Drawing up of estimate (quotation bill) for necessary payment by the applicant
  • Prepare installation reports and recommend for the installation of new transformers

STANDBY FAULT MAINTENANCE SECTION

This section is a technical team mainly responsible for dealing with faults relating to customer complaints. They can be referred to as the rapid response team. In the event of fault, a team is immediately dispatched to rectify the problem. During the process of fault repairs, major faults are referred to the other specific sections for prompt repairs/response. Some of the faults normally dealt with by this section are Cut wires, Wrapped wires, Light failure, Fallen Poles (Isolation), Cut wires, Sectional failure and Carbon deposit (due to corrosion caused by the use of two dissimilar metals).

The standby fault maintenance teams operate on a shift basis with their respective supervisors. The first team (Team-A) starts at about 9am and ends at 6pm, while the second team (Team-B) starts their shift at about 9pm and ends at 7am.

PREVENTIVE MAINTENANCE SECTION

overhead lines is the main method of distribution of power supply to customers, these line must be kept operation and prevent the interruption of supply most effectively as possible. This is the responsibility of the preventive maintenance section. They mainly perform planned maintenance of overhead lines in the network. They are also responsible for minimizing the occurrence of fault within the transmission and distribution network. Apart from prevention and the frequency of fault occurrence in the network, the section most of the time render aid geared towards daily fault repairs.

Some of the measures employed by this section to minimize and prevent the occurrence of faults are as follows:

A. Tree trimming
This exercise is carried out to prevent the occurrence of fault on Overhead Lines especially the high tension overhead transmission lines.

B. Replacement and straightening of poles
The section carries out replacement of defective (rotten) poles and straightening of leaning poles that pose threat to the normal operation of the network.

C. Upgrading
The preventive maintenance team normally replaces undersized or substandard conductors and upgrade from single phase to three phase distribution in order to minimize low voltage usually experienced because of long service or undersized conductor drawn from a single phase.

D. Load balancing
The section also carry out load balancing activities from load study result and analysis done periodically by staff of the substation section in order to avoid over loading of transformers.

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ELectricity House
36 House Siaka Stevens St
Freetown, Sierra Leone
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