Competition with a shortlist
Competitive procedure with a selection stage: suppliers were shortlisted before being invited to bid.
Key facts
- Buyer
- Environment Agency · Ministry or any other national or federal authority, including their regional or local subdivisions
- Value
- £87,573
- Procedure
- Call-off from a framework agreement
- Sector
- Waste, cleaning & environmental · Environmental services (CPV 90700000)
- Region
- London
- Official notice
- View on Contracts Finder
- Timeline
-
- Contract date3 Feb 2025
- Published6 Feb 2025Published 3 days after the contract date
Description
The River Itchen SSSI/SAC is an internationally renowned chalk stream, and despite being highly designated, is in unfavourable condition. One reason being the condition of the physical channel, and another linked to the status of the Itchen Atlantic salmon population, now deemed to be in crisis and at high risk of extinction. The Lower Itchen, at Woodmill, Southampton, has been significantly modified historically to manage water for navigation, milling, and fishing activities. As a result of this, there are several water control structures: a sluice gate, 2 penstocks, and a sea door that are near the end of their design-life, and a technical fish pass (known as a Denil plain baffle fish pass). In addition, upstream, the true right bank, retaining the river in an artificial, perched state through Riverside Park, is increasingly permeable and has developed large breaches. This allows a significant proportion of the river to drain from its main (artificial) channel to follow a more natur…
About the supplier
Ove Arup & Partners Limited Primary: every public contract they have won.