The contracts are for main station works at Bond Street (Lot 1), Tottenham Court Road (Lot 2), Liverpool Street (Lot 3) and Whitechapel (Lot 4).
Lots 1 and 2 each have an estimated value of £200m, while Lot 3 is budgeted at £300m and Lot 4 at £250m.
Bids can be submitted for one or more of the lots. Crossrail says it will consider combining lots if savings can be shown.
Paddington and Farringdon are the subject of separate tender notices.
Each station works includes:design development; general civils and building works to construct the ticket hall structures; mechanical, electrical and piped services; architectural fit-out works; and temporary works designs, including control of ground movement.
Other items that may be included within the scope are piling and excavation works to support oversite development, lifts and escalators, and maintenance of station systems.
The programme for Bond Street station is 60 months, Tottenham Court Road is 46 months, Liverpool Street is 70 months and Whitechapel is 72 months.
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