Moray Flood Alleviation Scheme

Morrison Construction provided Early Contractor Involvement services throughout the conceptual and detailed design stages of five flood alleviation schemes.

Client: Moray Council
Value: £105m
Location: Various

This was the first of the Moray flood schemes to be completed. The works involved the construction of a flood storage reservoir to reduce the volume of flood waters upstream of Lhanbryde, as well as clearance of channel blockages, constraints and general channel widening through the village.

The aim was to increase the capacity of three burns flowing through Rothes. The works included channel widening/deepening, replacement of existing bridges to accommodate a wider channel, flood walls, earthwork embankments and bank protection works.

The purpose of this scheme is to attenuate flood waters of the burn of Mosset upstream of Forres for which a dam and control structure were constructed. The extent of the inundated area behind the dam necessitated the construction of a number of supplementary earthwork embankments to prevent flooding in previously unaffected areas.

The scheme involved reinstating the river flood plain, making space for water along the river corridor, and drainage improvements at the Pilmuir area of Forres. It has created a minimum flood defence standard of 1 in 200 years plus climate change.

The work involved construction of a 5 km long flood relief channel along the line of River Lossie through Elgin, and the construction of 2 km of reinforced concrete floodwalls at several locations throughout Elgin. The existing Pansport Bridge has been demolished and is being replaced by a new two span road bridge.

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