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Volkerfitzpatrick Limited is the contractor
employed by GBC to construct Ash Road Bridge.

Volkerfitzpatrick Limited engaged Brett Aggregates Limited to
supply some Class 1A aggregates for use by Volkerfitzpatrick
Limited in carrying out the construction of Ash Road Bridge. Some
of those aggregates were inadvertently contaminated with Japanese
Knotweed.

Remediation works have been carried out in relation to those
aggregates and Volkerfitzpatrick Limited and Brett Aggregates
Limited have agreed to provide a warranty to the Council, together
with Surrey County Council and other affected landowners and
developers, to cover surveying and (if necessary) treating and/or
removing any further Japanese Knotweed arising from the use of such
aggregates on site. This warranty will be insurance backed by
Environet UK Limited who carried out the remediation works, for a
period of 10 years. This warranty is of benefit to the
Council.

Reasons for the decision

The warranty is required to cover surveying
and (if necessary) treating and/or removing any further Japanese
Knotweed arising from the use of such aggregates on site.

Alternative options considered

None - the matter constitutes as a defect
under the construction contract, therefore to remedy said defect a
warranty for a period of 10 years is required to benefit the
council and rectify defect.