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  • The use of GIS within Lee Valley Regional Park is creating substantial savings, with updated maps allowing real time comparison on site with historic information that was previously used to inform the contractual arrangements.

    Daniel Buck, Senior Development Manager, Lee Valley Regional Park

Lee Valley Regional Park Authority uses Ordnance Survey mapping data to make significant savings from grounds maintenance and the avoidance of unnecessary consultancy fees.

The challenge

At Lee Valley Regional Park Authority the external contract for grounds maintenance was renewed in October 2006. The maps used to calculate areas, lengths and items of furniture were, in the main, hand drawn in the late 1990s. In order to re-evaluate the Park’s holdings, and therefore accurately analyse the exact area that required maintenance under this contract, it was decided that a GPS (Global Positioning System) should be used to provide information into the Park’s existing GIS (geographical information system).

The solution

Utilising this system, in tandem with high resolution aerial photography and OS MasterMap® products, every area, path and item of furniture was mapped and quality assured over a two year period. This included 130 470 metres of pathway and internal road, 857 656 square metres of grounds and 2 734 items of park furniture.

All park areas mapped could then be cross referenced to the ‘Bills of Quantities’, which is used to calculate the payments for the grounds maintenance contract. Using this information, it was forecast that at least £50 000 could be saved over the duration of the contract, currently valued at £490 000.

Other outcomes included the use of the mapped pathway network to help identify where paths were in need of repair. This saved a lot of time for staff who would otherwise have had to visually inspect the network themselves.

The Park’s building surveyors have also used this information as a comparison against their asset databases: any insurance claims involving bridges, for example, can be investigated and dealt with quickly and efficiently.

The benefits

  • Projected savings of £50 000 on current grounds maintenance contract.
  • £50 000 saved as this project replaced the need by the marketing department to utilise external consultants.
  • Significant savings in staff time.

The products used

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