George Leslie Ltd

Key Facts

  • Client: Scottish Water
  • Engineer: MWH / CH2M Hill
  • Conditions of contract: NEC 3 Option C
  • Contract value: £562,000
  • Duration of works: Sept 2014 - Feb 2015

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Wastewater Pipelines, Tunnels & Shafts

Shieldhall UIDs: Holmbank Ave – Pollockshaws

The existing CSO chamber was a brick arched chamber without screening or solids separation capability. Continuation flows from ground-level, egg-shaped, brick penstocks were collected by the chamber before dropping into the 1500mm brick trunk main some 10m below. Storm flows emerged from this 1500mm trunk main, spilled through the unscreened CSO and contaminated the, high amenity, White Cart Water.

This D&B Project was to replace the existing, unscreened, brick CSO chamber with a new pre-cast concrete chamber – incorporating a powered screen – collect the surface water from around the adjacent new-build flats and replace the outfall pipe to the river.

News updates


The overall project involves the off-site fabrication and installation of a new linkspan structure at Oban Ferry Terminal for client Caledonian Maritime Assets Ltd (CMal).

12th February 2019

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GL return to the Sound of Kerrera

GL making a return visit to the Sound of Kerrera off Oban, to undertake substantial repairs to the breakwater which suffered collision damage following an altercation with a workboat earlier this year.

14th December 2018

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Polmadie Bridge official opening……..

Michael Matheson MSP and Cabinet Secretary for Transport, Infrastructure and Connectivity covered all his portfolios at the official opening of the new Polmadie Footbridge giving pedestrian and cycle transport access,

18th September 2018

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George Leslie Ltd, Blackbyres Road, Barrhead, Glasgow, G78 1DU  |  |  +44 (0)141 881 9131