# GIS application development software

> A sourced UK public sector contract award published by North Somerset Council.

## Key facts

- Buyer: [North Somerset Council](/buyers/north-somerset-council/contract-awards)
- Supplier: [RiskAware Ltd](/suppliers/riskaware/public-sector-contract-awards)
- Award value: £75,000
- Tender value: £75,000
- Award date: 30 July 2025
- Published: 3 September 2025
- Contract start: 1 August 2025
- Contract end: 31 January 2026
- Stage: awarded
- Procurement category: services
- Notice ID: b432382b-73b2-4321-b8b4-7fee8009807f-861958
- OCID: ocds-b5fd17-6b4320d9-da5c-4997-8365-1847c60c3c71

## Description

North Somerset Council is seeking a specialist supplier to design, build and hand-over an intuitive, GIS-based visualisation platform that shows in near-real time how changes to drains, sluices and other control structures affect water levels on the Gordano, Tickenham-Nailsea and Kenn peat moors\. The tool must operate both online and fully offline, let non-technical users adjust a water-level slider, toggle existing structures, sketch hypothetical bunds or weirs, and instantly see the knock-on effects from Internal Drainage Board scale down to individual farm gutters\. It must integrate LiDAR-derived terrain, the new 1D-2D hydraulic model and predefined seasonal scenarios, while redrawing inundation maps in under a second and maintaining at least ten frames per second on a typical laptop\.

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## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/b432382b-73b2-4321-b8b4-7fee8009807f-861958)