Case Studies

Client: EPS Pumping and Treatment Systems Services: Temporary works design, supply and installation of ground support system The Carbery/Muskerry Wastewater Treatment Plants DBO (design, build and operate) and O&M (operate and maintain) Contract for €6million is primarily a contract to carry out upgrade works to the existing wastewater treatment plant in Clonakilty, providing a treatment capacity of 20,500PE (population equivalent). It also includes the construction of a storm water retention tank and upgrade works to the existing Pumping Station at

Client: John Cradock Ltd. Services: Geotechnical and dewatering analyses For the River Nore crossing on the Central Access scheme, it is proposed to construct a concrete bridge which spans two mid-stream piers between east and west abutments. The pier piles and pilecap are founded at a level well below existing bed level and so a temporary works scheme is required in order to facilitate construction of the bridge piers. Trench Control carried out the geotechnical numerical analysis of the proposed

Client: Laing O’Rourke Services: Temporary works design, supply and installation of ground support system Project Omega is one of the UK’s largest Public Private Partnership (PPP) schemes providing a fifth of Northern Ireland’s wastewater treatment capacity. It also handles the entirety of its sludge disposal. The scheme is intended to form a sustainable wastewater strategy to meet the Province’s needs for the next 25 years. The project included upgrading six existing wastewater plants – at Ballynacor, Bullays Hill, Seagoe, Armagh,

Client: Siac Services: Temporary works design, supply and installation of ground support system The new stand-alone €30 million water treatment facility will provide water treatment capacity of an additional 80 million litres of water per day for consumers in the Greater Dublin supply area, bringing overall production at Leixlip to 215 million litres per day. The Leixlip Plant is the second largest water treatment plant in the country and supplies approximately 30% of the Dublin Region’s drinking water requirements, supplying

Client: John Sisk & Son Services: Temporary works design, supply and installation of ground support system John Sisk & Son appointed Trench Control to design and install ground support measures to facilitate the construction of three service tanks for the proposed Western Link Interconnector Project. The works comprised three excavations for a Dump Tank and two Oil Interceptors. The Dump Tank was the larger element with excavation dimensions of 20.65m x 11.05m with an excavated depth of 5.735m. The Oil

Client: P&S Civil Works Services: Temporary works design for ground support P&S Civil Works Ltd. appointed Trench Control Ltd. (TCL) to design ground support measures to facilitate the construction of the Cathedral Road Pumping Station for the Cavan Sewage Scheme project. The overall project has been designed by the EMCA. P&S Civil Works Ltd. are the Main Contractor with Trench Control being appointed Temporary Works Designer for the ground support measures only. The proposed pumping station is approximately 13.1m x

Client: Keltbray Piling Services: Contiguous pile wall and bearing pile design Keltbray Piling were nominated by St. James Group to undertake the design and construction of a section of contiguous pile retaining wall and bearing piles of the proposed development of Hornsey Depot in Hornsey, London N8. The consulting engineers for the project are Powell, Tolner & Associates. The retaining wall and pile design was undertaken by Trench Control Ltd. on behalf of Keltbray Piling. In broad terms, the project

Client: McLaughlin & Harvey Services: Temporary works design Altnagelvin Hospital’s new £50+million Radiotherapy Unit, which is due to open in 2016, will increase Radiotherapy capacity in Northern Ireland. The Radiotherapy Unit at Altnagelvin is envisaged, not as a single building, but as interconnected clinical areas which are designed along the continuum of the “garden” that incorporates both the external existing landscape and the internal path of the patient’s journey. Working for McLaughlin & Harvey, Trench Control designed and installed a