Upper Thurne Construction Works - Package 2

Description

This procurement covers the design and construction of 3 x pumping stations, namely Martham pumping station, Potter Heigham pumping station and Brograve pumping station.  It also allows for the optionality of adding one additional similar pumping station site namely Somerton South Pumping Station and Culvert or Repps pumping station at a future date. Each of these sites has an existing pumping station which will need to be decommissioned.  Any instruction for one of the two optional sites is expected to be within 12 months of the Contract Date.
The value is estimated at £8-£12million for the initial 3 sites with up to a further £6million for the fourth site depending on works required.  These figures are exclusive of VAT.  These works are to be funded from Environment Agency Grant in Aid. 
The works and its objectives are entirely consistent to ensure compliance with the BIDB statutory duties as a Section 28g body under the Wildlife and Countryside Act 1981 (as amended).
The scope of the works:
	Design and construction for the 3 pumping stations.  Design is limited to the following design tasks (Refer Section S300 of the Scope)
	Telemetry system
	External lighting 
	Control kiosk including HVAC 
	Motor Control Centre and full electrical system design including Functional Design Specification
	Stop log systems and non return / control valves
	Ducting and draw pit numbers and dimensions
	Precast Concrete Units 
	MCC support frame
	Temporary works including relevant licences, permissions and consents
	Associated civil, mechanical and electrical works
	Integration with existing water infrastructure
	Testing, commissioning and handover to operations
	Sectional Completion
	Decommissioning of existing 3 pumping stations
	Potential for all of the above for 4th site.
Bidders that express interest following the publication of this Tender Notice will be invited to attend an accompanied group visit incorporating Martham, Potter Heigham and Brograve.   Two dates will be available (as detailed below), and each bidder is required to attend only one of these sessions.  Attendance will be limited to one vehicle and a maximum of 2 representatives per organisation. The vehicle must be a 4x4 to enable access to these sites:
Tuesday 25th November 2025
Wednesday 26th November 2025
All questions and answers raised during the 2 site visit days will be documented and shared with all Tenderers via the eTender portal.
The Water Management Alliance (WMA) will oversee this procurement on behalf of the Broads Internal Drainage Board working with Turner & Townsend as advisors.