Office of Public Works Headquarters, Trim Office of Public Works Headquarters, Trim Office of Public Works Headquarters, Trim Office of Public Works Headquarters, Trim Office of Public Works Headquarters, Trim Office of Public Works Headquarters, Trim

Office of Public Works Headquarters, Trim

This design and build project is the new national headquarters for the Office of Public Works. The design team working for Bennett have produced a solution that sets industry standards in terms of airtightness, insulation and energy consumption. This coupled with the expertise in terms of buildability and excellence in delivery from the construction team has produced a world class building for a very satisfied client.

A key element in Bennetts bid winning strategy was the decision to post tension the concrete frame.  This produced programme savings of up to 5 weeks and reduced costs in terms of steel and concrete usage. The external perimeter circumference is partly curtain wall glazed and partly stone clad.   The interior circumference is also curtain wall glazed.   There is a central atrium with a glass roof and a planar glazed external wall.   There are additional elements of copper and timber cladding.  

The carpark building was a pre-cast concrete column slab with wire mesh cladding to the north and south elevations with copper cladding to the vertical circulation cores.  The carpark has 380 carpark spaces over 5 levels with a full numberplate recognition/car entry and exit system.

The building was designed as a naturally ventilated building with a triple opening façade strategy.    Other strategies also used in order to achieve natural ventilation were 
1) exposed concrete soffits (thermal mass)

2) perimeter shading on the south and west façade 

3) provision of an atrium with automatic vents.

Project Details
Client: Office of Public Works
Size: Office Building 8,295 sq.m. Carpark 9.606sq.m. (350 spaces)
Architect: Anthony Reddy & Associates
Surveyor: KMCS
Timeframe: 15 Months
Cost: 21 Months
Location: Ireland