Scope
Reference
Humber/Inverts/03
Description
Surveys of invertebrates associated with sand dunes within the Humber Estuary SSSI, using Common Standards Monitoring sampling protocols. The survey sites are Spurn Peninsula (East Yorkshire), Humberston Dunes (North East Lincolnshire), Donna Nook (Lincolnshire), Saltfleet (Lincolnshire), with 4 sampling locations at each site. 4 visits will be made between May 2025 and end August 2025, spread throughout the field season, with first visit in May, and at least 4 weeks between visits. Assess the current state of the invertebrate assemblages associated with sand dunes and associated habitats, using a combination of free-ranging searches and standardised survey methods. This includes ground searching, spot sweeping, sweep netting, suction sampling, pitfall trapping. The principal taxa are Aculeates, Coleoptera, Diptera, day-flying Lepidoptera, Heteroptera, Orthoptera, spiders. To characterise the invertebrate assemblages and assess their quality and condition, using Pantheon, a database tool developed by Natural England and the Centre for Ecology & Hydrology. To record brief habitat data to aid understanding of the habitat requirements of the assemblages. To provide habitat management recommendations for the invertebrate assemblages. There may be sensitive areas for breeding birds, including Schedule 1 species. This is difficult terrain and some areas are tidal which will constrain working times. Contract to start May 2025, with final report to be submitted by 20 March 2026.
Total value (estimated)
- £24,000 excluding VAT
- £30,000 including VAT
Below the relevant threshold
Contract dates (estimated)
- 5 May 2025 to 20 March 2026
- 10 months, 16 days
Options
The right to additional purchases while the contract is valid.
Quotes for the full project specification will be evaluated first, but if there is insufficient budget then the contract may be reduced in scope to cover either Spurn Peninsula or the 3 Lincolnshire sites.
Main procurement category
Services
CPV classifications
- 90700000 - Environmental services
Contract locations
- UKE - Yorkshire and the Humber
Participation
Particular suitability
Small and medium-sized enterprises (SME)
Submission
Tender submission deadline
27 April 2025, 12:00pm
Submission address and any special instructions
To apply for this opportunity you must submit your quotation meeting the requirements detailed in the Request for Quotation (RFQ) attached.
Your response must be sent to morwenna.christian@naturalengland.org.uk by 12 midday on 27 April 2025.
If you have any clarification questions linked to this opportunity or the procurement process please submit these via email to morwenna.christian@naturalengland.org.uk. Please note that, unless commercially sensitive, both the question and the response will be circulated to all tenderers.
Tenders may be submitted electronically
No
Award criteria
Full details can be found within the RFQ.
Procedure
Procedure type
Below threshold - open competition
Documents
Associated tender documents
HumberInvert03_Request for Quote Sand dune invert assessment.docx
RFQ
HumberInvert03_Order Form NE Standard.docx
Order Form
HumberInvert03_Guided Buying_Commercial Response Basic.docx
Commercial Response
Contracting authority
Natural England
- Public Procurement Organisation Number: PJDG-6588-XDMM
Seacole Building, 2 Marsham Street
London
SW1P 4DF
United Kingdom
Contact name: Morwenna Christian
Region: UKI32 - Westminster
Organisation type: Public authority - central government