Provision of Watercourse Maintenance Services

The Scunthorpe & Gainsborough Water Management Board (S&GWMB) works with other public bodies to provide a public service by continuing to manage water levels for the overall benefit of people, property, commerce, industry, agriculture and the aquatic environment within the defined Drainage District.

S&GWB has commissioned North Lincolnshire Council (NLC) to undertake a formal tender exercise on its behalf to procure contractor(s) to deliver the watercourse maintenance services commencing August / September 2026.

The works lie within the boundaries of the Internal Drainage Board and comprise the ordinary watercourses in the current year's maintenance scheme by the Board. Routine works consist of;

1.Flail Mowing - grass, weed and other herbaceous growth as defined in the specification (Provisional Price for Flailing as may not be a requirement of the Contract)

2. De-weeding - Removal of emergent growth and other aquatic vegetation (mechanical removal/spraying)
3. De-silting - silt removal and de-weeding activity
4. Culvert clearance
5. Reporting and record by photograph bank stability, structure problems and internal culvert/ bridge blockages to the Engineer.
6. Piling - Installation of timber toe piling and boarding. Piles 150mm diameter at 1.0m centres. Toe boards, cut from piles, nailed 300mm above bed level. Length of pile up to 3.0m as per the Bill.
7. Brashing - Removal of tree/bush/hedge overgrowth growing within the profile and section of the watercourse affecting the flow or access to other maintenance operations.
8. Hand labour - to implement any parts of above items 1-6 due to lack of machine access.
9. Off-site removal of exceptional arisings