The Engineering Delivery Framework has been split into seven lots covering infrastructure, building construction and design.
DEFRA estimates successful firms will share around £600m of spend at the main estate in Weybridge, Surrey as well as the regional labs at Starcross, Camarthen, Penrith, Newcastle, Shrewsbury, Bury St Edmonds, Sutton Bonnington and Lasswade.
Lot 1: M&E heavy design, build, installation and refurbishments projects inside the containment laboratory environment
Lot 2: General building works outside of containment areas
Lot 3: Site infrastructure, including earthworks and utilities
Lot 4: Security Systems, including engineering work for CCTV installations and repair and maintenance
Lot 5: Delivery of biowaste effluent treatment plants
Lot 6: Multiple Discipline Design Services
Lot 7: Professional Services, specifically PM and cost management services for construction projects
Bid documents, which can be found on the web portal should be returned by 1 December.
The new line-up of engineering partners will come into force from 1 September 2022 and run for four years.