Contract in Brief Challenge power station was an oil-fired power station in , on the west coast of . Built in the 1970's, it was rarely used due to soaring oil Location: prices. Inverkip, Inverclyde The site to be decommissioned was the cable run from the former Inverkip Former Inverkip Power Station Power station, Inverclyde to the live 400kv Inverkip switching station. The Power Station had been demolished to slab level by Brown and Mason, leaving

Client: the redundant 400kv oil filled cables that run from the former power station up Brown And Mason to the 400 KV switching station. There were three circuits, three cables per circuit identified as copper cores, paper insulated and aluminium sheathed.

( Asset) There were approximately 49 control cables that follow the same route. The 400kv cables are oil filled and oil had been partially removed from the lower

Contract Start: Section (from power station to railway line). The upper section was still full of oil. This was a liability for Scottish Power. The cable route was through 27 January 2014 woodland, cable tunnels, ducting under Network rail, railway line and through Duration : farmland. 16 weeks Gilmerton Land Services (GLS) Solution

Services Provided: Once as laid drawings had been received, GLS performed a full site survey to establish a proposed scope of works. As a result we were able to offer a lump  Site survey sum credit of £126,500.00 to Brown and Mason to allow for work to  Vegetation Removal commence at no risk or cost to the client.  Radio detection - Cable location The site was cleared of trees/vegetation prior to bird nesting. Oil was purged  Establishment of other from the 400kv cables, all cable removed and ground re-instated in stages working up towards 400kv switching station.  existing live services  Excavation  Purging of oil filled cables  Oil Testing Scope of works  Working under Live 400kv •Tree removal and chipping OHL -  HSE GS6 Guidance •Purging of oil from 400kv cables approx. 10,000litres  Traffic Management -  chapter 8 •Excavation of 3 trenches approx. 800m each to access cables  Cable recovery - Removal of •Removal of all 3 circuits and 49 control cables  all redundant cables  Confined space work •Cable removal from Tunnels - confined space works

Recycled From Site: Results

•Scrap cable for recycling 270 GLS were able to remove all oil filled cable and associated control cables, thus Tonnes removing the environmental liability and delivering real value to Scottish Power •Recovered Cable Oil for recycling 10,000 Litres