The contractor, which regularly completes projects on the network in England and Wales, will deliver up to £150m of signalling, power and communications works.
The other lot winners amount to a renewal of previous CP6 deals with four other firms.
Network Rail lot winners
- Lot A – minor civils up to £150m to Taziker Industrial
- Lot B – buildings and civils up to £730m to AmcoGiffen and STORY
- Lot C – geotechnical and minor civils up to £420m to QTS
Each of the contracts are for five years, with a three-year extension option based on performance.
Liam Sumpter, managing director, Network Rail Scotland, said: “We’re investing up to £1.3bn in these framework contracts to maintain and improve our infrastructure across Scotland.
“We’re excited to once again be partnering with Taziker, AmcoGiffen, Story and QTS and we’re looking forward to welcoming VolkerRail on to Scotland’s Railway family.”
Niall McCreanor, director of specialist businesses, VolkerRail, said: “VolkerRail has extensive experience in signalling, telecoms and power renewals, and enhancements, and we have spent considerable time building our presence in Scotland to better understand the needs of Scotland’s railway, to ensure we can provide the best possible service.”