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Saltersford Lock. Weaver Navigation.
Project Number P/10115
Omega Hydrotechnics Ltd were approached by Kier Integrated Services to provide a solution and budget to seal the leaks from the narrow lock into the wide lock which was preventing the dewatering of said lock to allow major downstream cill works to be completed.
The final agreed solution involved installing a grout curtain behind the existing narrow lock
wall over a length of 14m to a depth of 10m and inject polyurethane resin to seal all leak
paths between the locks.
Blenheim Palace – Resin Injection to Grand Cascade
Omega Hydrotechnics Ltd were requested to produce a detailed bespoke solution to seal leaks for the Grand Lake which were destabilising the Grand Cascade on the World Heritage Site at Blenheim Palace.
The solution was 2-fold, the first involved in installing a 60m long grout curtain to a depth of 3m to prevent water from the lake passing through fissures under the approach washing out underneath the structure of the Grand Cascade.
The second part of the works involved injecting resin through the Grand Cascade structure to seal up voids and leak paths beneath.
Total resin used on the scheme was more than 7000 litres which, at the time, was the largest
single amount of resin injected on one scheme.
Guardian Industries SRG Global Goole Glass
Omega Hydrotechnics Ltd were requested to attend the glass works at Goole to provide a solution to seal the existing floor under the glass furnace during the construction of the new furnace. These works were part of our collaboration with Prime Resins in the USA
as their preferred European installer.
The works required the injection of Prime 900 XLV hydrophilic resin to be injected to a depth of 2m below the existing floor to seal all leak paths through the existing concrete slab to prevent water getting below the furnace which could produce potentially explosive steam due to the furnace operating temperature of 2000°C.
Due to extremely tight programme constraints to was only possible to seal the area’s most at risk. It has been agreed that Omega Hydrotechnics Ltd will return during the next planned shutdown to complete the remaining areas of floor and to address additional leakage noted
through the existing concrete walls.
Lake Windermere Boat House
Omega Hydrotechnics Ltd were tasked with stabilising an existing 150-year-old boat house built on the shore of Lake Windermere which was slowly sinking into the lake following adjacent construction works.
In conjunction with the structural engineer, we developed a solution that involved injecting 6m below the structure into the existing lakebed to stabilise the silts above the hard rock layer and stabilise the original foundation structure.
National Lock Grouting P11643 – Lock 30w HNC
Omega Hydrotechnics Ltd were tasked to provide a solution to seal existing leaks
within the existing lock walls and prevent future movement within the structure.
The works were part of the 2020-2021 National lock Grouting.
Carr Mill Reservoir
Omega Hydrotechnics Ltd were tasked with sealing leaks through the existing reservoir spillway wash wall as part of the remedial works identified in the Panel Engineer 10-year inspection.
In total 43 Linm of spillway wall was treated.
Injection depth was 2m below the existing spillway floor.
On completion of the works, all leaks had been sealed and the spillway completely dried which was the first time this has happened in a number of years.
Slade Brook Reservoir
Omega Hydrotechnics Ltd were the preferred supplier to complete a number of repairs to the existing reservoir following the Panel Engineer10 year Inspection.
it was noted within the inspection a number of leaks were evident on both auxiliary spillways.
Additional leaks were also noted within the ‘Draw Down’ chamber.
In total 30m of resin injection to a depth of 3m was completed along the spillway apron to seal the leaks passing below the original construction.
Additional resin injection was completed to a depth of 3m below the existing chamber to seal structural leaks entering the chamber.
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