Electrical installation work. Electrical installation work of heating and other electrical building-equipment. Other electrical installation work. Repair and maintenance services of electrical building installations. Electrical testing, maintenance and repairs, works of up-grade and the rewiring of electrical installations to domestic properties in the Council's housing stock, in accordance with the IEE Wiring Regulations BS 7671: 2008. The contract duration is for a period of one year with an option for the authority to extend the contract period for second and third consecutive years (subject to an annual review based upon performance).