§ Mr. Rookerasked the Secretary of State for the Environment what is the estimated cost of construction of the noise barrier along the elevated section of the M6 motorway at Great Barr and Perry Beeches, Birmingham.
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§ Mr. MarksThe estimated cost of the original experimental barrier and its extensions is about £350,000.
§ Mr. Rookerasked the Secretary of State for the Environment what claims his Department has received from local 407W authorities in the West Midlands for compensation in respect of land used for the construction of the M6 motorway; and if he has an estimate of the date by which these claims will be settled.
§ Mr. MarksTwenty-two local authority claims were received. Seventeen have been settled, but difficult legal and other issues mean that it may be some time before the remaining five are finalised.
§ Mr. Rookerasked the Secretary of State for the Environment if he will arrange for the theoretical calculations contained in the noise contour map produced for the Great Barr and Perry Beeches areas of Birmingham to be checked by practical measurement on completion of the noise barrier on the elevated section of the M6 motorway.
§ Mr. MarksThe method of predicting noise levels used in the Great Barr and Perry Beeches area is that specified in the Noise Insulation Regulations.