Habitat improvement and Tilting Weir installation - Old Hall Marshes

Name: Habitat improvement and Tilting Weir installation - Old Hall Marshes
Creator: ROYAL SOCIETY FOR THE PROTECTION OF BIRDS
Published: 2022-01-10T15:23:08.000Z
License: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/

ROYAL SOCIETY FOR THE PROTECTION OF BIRDS Published 10 Jan 2022 Contracts Finder

key details

Status	active
Category (CPV)	45000000
Deadline	17 Feb 2022
Contract start	1 Aug 2022
Contract end	1 Nov 2022
Procedure	open
SME suitable	Yes
OCID	ocds-b5fd17-1bb283f9-ccc6-47df-808b-d9ac58f9117b

description

To improve the habitat found at RSPB Old Hall Marshes we propose to carry out the following, we will use material generated from reprofiling existing footdrains to renovate existing crossing points around the reserve. We propose to install a Tilting weir (RSPB to provide) and finally renovate several small islands into one larger island and top with shingle.

The works will ensure that we have increased compartmentalisation across the marshes, with finer and more water control. This will enable better management potential and the ability to be more dynamic with water levels. It will also mean that we have mitigated some of the potential impacts of climate change, as water will be better directed on site to critical areas. The newly reprofiled footdrains will create enhanced and new edges for breeding and passage waders including locally important numbers of lapwing and redshank. The new weir will allow the unrestricted passage of eels across the marshes and ensure better and more water control in addition to the renovated crossing points. The new and improved island will create new breeding habitat for the red listed and rare little tern, a designated species in the Blackwater estuary.

documents

https://www.contractsfinder.service.gov.uk/Notice/48bab0df-08d3-447d-a94c-998986f01a4c , tenderNotice
https://www.contractsfinder.service.gov.uk/Notice/Attachment/0d5271db-3d8c-4002-9a08-520aa3b2ebb1 , technicalSpecifications
https://www.contractsfinder.service.gov.uk/Notice/Attachment/3756e24d-8cb8-4ca6-b07d-08f916d19f03 , technicalSpecifications
https://www.contractsfinder.service.gov.uk/Notice/Attachment/622763ec-2745-48be-82e2-fdb72f2ad745 , technicalSpecifications
https://www.contractsfinder.service.gov.uk/Notice/Attachment/905a6dc0-9167-4dbd-9444-e13553828e03 , technicalSpecifications
https://www.contractsfinder.service.gov.uk/Notice/Attachment/a85febed-7d61-426c-823f-dac71c5dbac1 , technicalSpecifications
https://www.contractsfinder.service.gov.uk/Notice/Attachment/c368afe5-e408-4971-8a1b-dc5012810908 , tenderNotice
https://www.contractsfinder.service.gov.uk/Notice/Attachment/ca8fbe9a-36e8-459f-9bc0-967b7cab57ad , technicalSpecifications

Documents are linked, not mirrored. They are served by the publishing authority and may require registration.

notice history

1 notice published against this procurement.

Published	Type	Regime	Notice
10 Jan 2022	Tender (tender)	·	48bab0df-08d3-447d-a94c-998986f01a4c-499217

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source

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