THE SUPPLY OF WETLAND ENHANCEMENT WORK AT RSPB BLACK DEVON WETLANDS
RSPB Scotland · Scotland
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What the buyer wants
Contract for excavation and earth moving works to enhance wetland habitats at RSPB Black Devon Wetlands reserve near Alloa, including creation and deepening of scrapes, channel excavation, and island creation.
Delivery of shallow excavation and earth moving work to deliver wetland habitat features at the RSPB Black Devon Wetlands reserve near Alloa.
Description as published on Public Contracts Scotland: read the official notice.
How Tenderoo reads it
The notice reads as suitable for a small or medium-sized firm: the scope, value and requirements are within reach of a business of that size.
Services required
- Wetland excavation and earth moving
- Habitat enhancement works
- Use of suitable machinery for wetland conditions
- Site safety management around visitors
What you will need to show
- Confirm ability to use spoil for island creation or removal — Supplier must confirm they can use excavation spoil to create low islands within the wetland or remove spoil to designated deposition areas as part of their tender response.
- State machinery and equipment suitable for wetland work — Supplier must clearly state the type of equipment and machinery to be used, ensuring suitability for wetland environments and compliance with spill containment requirements.
- Maintain spill kits and manage fuel/hydraulic fluid containment — Supplier must maintain spill kits on site to contain any fuel or hydraulic fluid leaks from machinery or storage tanks, with storage tanks located away from working areas and agreed in advance.
- Implement biosecurity measures for vehicles and equipment — Supplier must ensure vehicles and equipment are thoroughly cleaned before arriving on site and on departure to prevent biosecurity risks.
- Ensure visitor and operator safety with exclusion zones and procedures — Supplier must prioritise safety of visitors and operators by clearly demarking exclusion zones around working areas near visitor areas and have procedures to safely stop work if visitors enter the working area.
Lots
- Lot 1 — RSPB Scotland wishes to receive costings for each element of the work individually, as well as a total cost for the works. 1. Scrape Enlargement Adjacent to Boardwalk: Excavate areas of higher ground around boardwalk by approx. 1.3metres below its current level creating a water depth of approximately 30cm. Remove all willow trees within excavation footprint. Lower existing wetland around screen to similar height. Utilise soil to raise height of ‘island’ in adjacent wetlands above water level (see below). Area approx. 400 m2 2. Deepening of Existing Scrape Adjacent to Boardwalk: Excavate previously created scrape to increase depth by approximately 30cm to create a water depth of 0.3 to 0.5 metres. Area approx. 1000 m2 3. Western Scrape Creation: Top and lightly harrow area to the west of the main pool before creating several shallow scrapes (c approx. 30cm depth). Topping/harrowing area approx. 6000 m2. Scrape creation area approx. 700 m2 4. Re-instatement of Phragmites Channels: Re-Excavate previously created shallow channels through phragmites to remove re-growth and ensure channels remain open. Area approx. 800 m2. 5. Channel Excavation Around Seasonal Island: Excavate channel around existing seasonal island to a depth of approx. 0.5 metres. Area approx. 100 m2 6. Island creation: Utilising spoil from excavations create a series of low islands within main wetland pools. These islands should be no more than 0.3 metres above water level (same as existing peninsula) with shallow graded edges. Area approx. 200 m2. Any remaining spoil not utilised for island building should be removed to western edge of site. All measurements for the wetland features above are approximate and should be used as guidance only. We expect the successful contractor to work closely with the reserve team to finalise the finer details of the work while on site. It is important that spoil from the excavation is used to create low islands within the wetland or removed away from the wetland and placed in the spoil deposition areas outlined on the map. Please confirm that you are able to deliver this in your tender response. RSPB Black Devon Wetlands is a wet and marshy site and contractors will have to be comfortable working in these conditions. It is expected that the type of equipment and machinery used will be clearly stated in the tender and be suitable for the proposed work. This machinery should be suitable for deployment in wetland environments and spill kits maintained on site to contain any fuel or hydraulic fluids which may escape from machinery or storage tanks. Any storage tanks are required to be situated away from the working area and agreed in advance of site works commencing. In the interests of biosecurity, vehicles and equipment must be thoroughly cleaned before arriving on site and on departure. Finally, RSPB Black Devon Wetlands, and particularly the area around the viewing screen and footpath, is used by visitors. Safety of visitors and operators must be paramount and exclusion zones around working areas in proximity to visitor areas must be clearly demarked. Procedures must be in place to ensure work is stopped safely in the event of a visitor entering the working area.
Key facts
- Buyer: RSPB Scotland
- Deadline: 19 October 2026
- Location: Scotland
- Published on: Public Contracts Scotland — read the official notice
- First seen by Tenderoo: 30 September 2026
- CPV: 45112000, 45112500, 45112700, 45111220
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