The Surrey County Council (New Thames Road Bridge, Walton) Scheme 2008 Confirmation Instrument 2009

SCHEDULE TO THE SCHEME

PLAN AND SPECIFICATIONS OF THE NEW THAMES ROAD BRIDGE, WALTON

The location and general design of the bridge are shown on the plan numbered 5038030/TE/DR/LO/004 Rev B, annexed hereto.

POINT OF COMMENCEMENT AND TERMINATION

The points of commencement and termination are dimensioned from the north eastern corner of the building known as Bridge Marine and the southern corner of nos. 52 to 57 Swan Walk. Bridge Marine is located on the west bank of the river approximately 40 metres upstream of the existing temporary road bridge over the Thames. Nos. 52 to 57 Swan Walk are located on the west bank of the river approximately 20 metres downstream of the existing Callender-Hamilton Bridge over the Thames (pedestrians, cyclists and authorised maintenance vehicles only).

a) Point of Commencement

• From a point on the east bank of the River Thames 124m metres from the southern corner of Nos. 52 to 57 Swan Walk and 115 metres from the north eastern corner of Bridge Marine.

b) Point of Termination

• To a point on the west bank of the River Thames 60 metres from the southern corner of Nos. 52 to 57 Swan Walk and 43.5 metres from the north eastern corner of Bridge Marine.

SPANS

The main supporting arch spans 96.1 metres to the centreline of steel arch ribs and crosses the River Thames, the Thames Path National Trail and both west and east banks of the River Thames. The bridge deck is supported at abutments, at intermediate piers, and by the arch with hangers attached to the arches. Proceeding from the east bank these spans are 14.9 metres, 19.1 metres, 87.5 metres, 17.8 metres and 8.7 metres respectively.

HEADWAY

The headway above standard head water level (standard head water level for the Sunbury reach of the Thames is 8.095 metres above Ordnance Datum) will vary over the width of the river. A minimum headway of 6 metres will be provided over the main navigable channel which is 10 metres wide and centred about the centreline of the arches.

WATERWAY

A minimum clear navigable waterway of 64 metres.

OVERALL DIMENSIONS

The overall length of the bridge will be 148 metres. The new bridge will carry a 7.3 metre carriageway with a 3.5 metre shared footways/cycleways on each side. The overall width of the bridge deck will be 15.3 metres. The overall width including the arch members varies from 21.85 metres at the arch springing to 17.4 metres at the centre of the arch.