greenest borough in Britain Cllr Wesley Harcourt Cabinet Member - - PowerPoint PPT Presentation

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greenest borough in Britain Cllr Wesley Harcourt Cabinet Member - - PowerPoint PPT Presentation

Working to be the greenest borough in Britain Cllr Wesley Harcourt Cabinet Member for the Environment Chemical-Free Weed Removal in Hammersmith & Fulham Provide an effective non-chemical weed removal service for highways, open spaces


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Cllr Wesley Harcourt Cabinet Member for the Environment Working to be the greenest borough in Britain

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Provide an effective non-chemical weed removal service for highways, open spaces and estates.

244 Km pavement 618 hectares of open space Using 2 different methods:

  • hot water on our streets
  • foam on our open spaces and estates

Chemical-Free Weed Removal in Hammersmith & Fulham

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Foam W

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Hot Water

After Before Regrowth 1 week

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  • The optimum frequency of treatment will take some time to

determine

  • Need to map weed growth and complaints to develop smarter

ways of treating

  • Have developed a way of rating weed growth in a similar way as

we do for litter and detritus

  • Treatment frequency may have to alter according to weather

conditions and surface type

Our experience so far

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Year 1 Findings

  • Seasonal

variations affects growth

  • Growing season

is lengthening

  • Affects pavement

type differently

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Year 1 Findings

  • Will take

multiple applications

  • ver 3 years
  • Woody growth

is challenging

  • Increase in tree

basal shoots

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Next Steps

  • Combination trials being undertaken to give comparative

results

  • steam method with immediate manual removal;
  • Steam method with routine manual removal within 7 days

according to usual street cleansing regime

  • steam method with mechanical removal
  • Improved comparative data collection
  • Create a grading system similar to NI195
  • Create an app to record weed growth
  • Feedback from sweepers
  • Innovation challenge to contractors
  • Meeting 4 weekly to examine results
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SLIDE 9
  • Questions?