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<p><ins class="ministerial">The R&R Programme is carrying out tens of thousands
of hours of complex building surveys and investigations to develop even more detailed
records of the Palace of Westminster. These records are being used to inform design
and planning, and future decisions on the essential restoration work required. </ins></p><p><ins
class="ministerial"> </ins></p><p><ins class="ministerial">Two intrusive surveys,
the Photogrammetric and Heating, Ventilation and Air-Conditioning (HVAC) surveys,
have recently started which contain an element of drone surveys as well as other activities
such as high-resolution photography. The total estimated cost of these surveys is
£1 million although this covers a number of activities.</ins></p><p><ins class="ministerial">
</ins></p><p><ins class="ministerial">Due to how the activity schedules in these contracts
are priced it is not possible to disaggregate the costs of the drone flights from
the rest of the works being undertaken. However, it is anticipated that a significant
portion of the costs will relate to the contractor resource required to deliver the
surveys and the processing of the images taken (rather than the cost of the drones
themselves).</ins></p><p><ins class="ministerial"> </ins></p><p><ins class="ministerial">This
figure also does not include Delivery Authority internal staffing costs or the costs
of the contractor planning and overseeing the overall survey programme because those
costs cannot be disaggregated by individual survey.</ins></p><p><del class="ministerial">The
R&R Programme is carrying out tens of thousands of hours of complex building surveys
and investigations to develop even more detailed records of the Palace of Westminster.
These records are being used to inform design and planning, and future decisions on
the essential restoration work required.</del></p><p> </p><p><del class="ministerial">Two
of the intrusive surveys currently being undertaken, the Building Intrusive Survey
and Pull Out Tests, are categorised as Building Surveys Works. Third party contractor
costs incurred to 31 March 2023 on these surveys are £0.3 million. Third party contractor
costs incurred to 31 March 2023 on the ground investigation works are £0.6 million.</del></p><p>
</p><p><del class="ministerial">These figures do not include Delivery Authority internal
staffing costs or the costs of the contractor planning and overseeing the survey programme
because those costs cannot be disaggregated by individual survey.</del></p><p> </p><p><del
class="ministerial">All these surveys are ongoing and spend will continue beyond 1
April 2023.</del></p><p> </p>
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