Tinnelly Group undertook the demolition and asbestos removal of Irish Cement in Drogheda, County Louth, in 2007.
For the asbestos phase of the project the team were tasked with the removal of approx. 12 asbestos cement sheets and cement downpipes.
A moving Hoki roof was installed over the building, this was to allow the team to safely remove asbestos on the roof of the building. This was undertaken in stages and the installed roof glided along with the team.
Prior to the individual sheets being removed surface was sprayed, thus suppressing any possible release of asbestos fibres. The asbestos cement sheeting was removed using oxygen / propane burning equipment.
Once the asbestos sheets bolts heads were removed they then were carefully placed within the mobile elevating work platform (MEWP) and lowered to the ground so they can be doubled wrapped in 1000 gauge polythene. All operatives working from the MEWP were equipped with asbestos suits.
The demolition phase of the engineering project involved firstly operatives using hand tools stripping all furnishings out of the building and place the materials in the designated skips.
A 5 ton excavator with a rock breaking attachment then demolished the non-load bearing block walls inside the building.
A loading shovel then transported the rubble to the designated area where it was then awaited a crusher to come and process the rubble
The concrete purlins were lifted down using a 100 ton crane. The purlins were freed by breaking the concrete above each truss, exposing the re-bar inside. The re-bar was cut using oxy/propane cutting equipment allowing the crane to lift free the section and lay it in the designated area.
On the ground the truss will be disposed of using an excavator with a pulverising attachment, the exposed re-bar can now be cut and disposed of accordingly, while the crushed materials will be transported to the designated area.
This procedure was then repeated until all the required trusses are removed and processed. An excavator with pulverising attachment will reduce the reinforced concrete columns.
Operatives using oxy/propane cutting equipment cut the re-bar and disposed of it.
The remaining rubble was collected by the loading shovel and transported to the designated area.
Another project Tinnelly Group were proud to deliver.
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