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Closed United Kingdom Works

NRV Culverts NM Corner

Reference ocds-b5fd17-35b73019-3f9d-453e-9e27-557f14c86030 · Natural England

Closed. Submission deadline: 15 August 2024. Estimated value: £33,000.

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Amounts and figures

£33,000
Estimated value

Description

Description of Works Refer to attachment: Natural England Specifications of Requirements - NRV Culverts NM Corner Replace three existing 450mm culverts fitted and non-return valves (flap valves) previously installed in the 1990s. Non-return valves were fitted to act as a water supply into the North Moor Corner Raised Water Level area when water levels within internal ditches are lower than external levels. Structures to allow passage of water into the raised water level area, but in an emergency can also be opened to allow evacuation of water during flood events. The wooden headwalls of the culverts are severely degraded and in places material compacted around the culvert pipes has collapsed into the field and ditch. Replacement structures are required. Each replacement culvert must be/have: • Rigid twin-walled plastic pipe • Internal pipe diameter 450mm • Pipe length 6000mm • Culvert pipe surround of geotextile membrane and clean, crushed, locally sourced stone • Motorway barrier headwalls with 450mm non-return (flap) valve (vertical component of headwall required to reach approximate depth of 3500mm to anchor the structure to the clay bed beneath the peat soils) • 12-f…

Official publications

MediumReferenceDate
FTS 8afad151-21e8-4d77-9b46-6bec8cef76f7-772152 30 July 2024
Contracts Finder 8afad151-21e8-4d77-9b46-6bec8cef76f7-772152 30 July 2024

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Frequently asked questions

What is the deadline to bid for this tender?
The submission deadline is 15 August 2024, 17:00. Check the official source, as dates can be modified.
What is the estimated value of this tender?
The estimated value published by the buyer is £33,000.
Who is the buyer of this tender?
The contracting authority is Natural England (United Kingdom).
How can I bid for public tenders in the United Kingdom?
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Data collected from official public procurement sources. Amounts as published by the buyer.