The provision of general 10KV Medium Voltage (MV) substation (the term substation shall include any MV equipment i.e. main 10KV board and other switching stations with or without power transformers) maintenance in accordance with original manufacturer standards, BS6626 1985 or international equivalent, covering MV switchgear, power transformers, protection devices and all associated trip mechanisms and repair of damaged underground or above ground cabling etc. The services shall also include maintenance of main board incoming LV circuit-breaker, power-factor correction equipment, harmonic filtering equipment, local lighting, emergency lighting and general services within the strict confines of the following UCD 10KV Substations and associated main 400v LV switchboards listed in Appendix 5 UCD 10kV Substations.

The provision of general 10KV Medium Voltage (MV) substation (the term substation shall include any MV equipment i.e. main 10KV board and other switching stations with or without power transformers) maintenance in accordance with original manufacturer standards, BS6626 1985 or international equivalent, covering MV switchgear, power transformers, protection devices and all associated trip mechanisms and repair of damaged underground or above ground cabling etc. The services shall also include maintenance of main board incoming LV circuit-breaker, power-factor correction equipment, harmonic filtering equipment, local lighting, emergency lighting and general services within the strict confines of the following UCD 10KV Substations and associated main 400v LV switchboards listed in Appendix 5 UCD 10kV Substations.