It is the latest framework renewal to be issued from the rail infrastructure company in the latest control period shake-up.
Lot 1 is focussed on geotechnical and earthworks project across London North Eastern and East Midlands Routes and will have a work bank estimated at £70m, while lot 2 covers Scottish routes with an expected value of £120m.
Presently Construction Marine carries out earthworks on the LNE route and QTS Group delivers works in Scotland.
The new arrangements will run from the start of 2019 through to the end of March 2025.
More information is available from Megan Stirrup at Network Rail, tel: 02075578000 or email.