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St. Andrews University in Fife chose Creagh Concrete for the first stage of their £70million investment plans in student accommodation for the university. MMC Magazine Editor Joe Bradbury finds out more:

A building of historical significance

Founded in the 15th century, St Andrews is Scotland’s first university and the third oldest in the English speaking world. Teaching began in the community of St Andrews in 1410, and the University was formally constituted by the issue of a papal bull in 1413.

In 2009, St Andrews became the first Scottish ancient to appoint a woman as Principal, recruiting Professor Louise Richardson from the Radcliffe Institute, Harvard, to lead it into its seventh century. She was succeeded in 2016 by Professor Sally Mapstone.

St Andrews recently celebrated 600 years of continuous existence during which time it has made an enduring contribution to the intellectual and cultural life of both Scotland and the wider world.

Project overview

The first stage of the investment called for two new accommodation buildings for the campus. The new buildings called Powell Hall and Whitehorn Hall respectively have created 389 new bedrooms for the university.

Creagh provided architectural concrete cladding for the buildings including feature walls with etched lettering. In total, Creagh installed 695 GFRC concrete pieces for both projects. Glass Fibre Reinforced Concrete or GFRC (also known as GRC) is a type of fibre-reinforced concrete. GRC consists of high-strength glass fibres embedded in a concrete matrix. Both fibres and matrix offer a synergistic combination of properties that cannot be achieved with either of the components acting alone. The fibres provide reinforcement for the matrix, increasing its tensile strength, limiting the shrinkage and creep processes as well as eliminating curing cracking appearance.

For the St Andrews project, Creagh developed a project-specific GRC mix to match both the structural performance and aesthetics requirements. This allowed the installation of floor to floor panels with 25mm concrete skin and no steel rebar. Creagh’s manufacturing facility rose to the challenge of precise filigree moulding and different casting techniques required for the panels. Among the benefits of GRC: it’s reduction in thickness provides an increased cavity and/or insulation allowance and a smaller loading to the façade. All of which significatively reduce the buildings carbon footprint but providing the same durability and resilience as traditional concrete.

Powell Hall opened its doors to postgraduate students for the first time in October 2018. It is named after Renee Powell, American professional golfer who became one of the first female members of the R&A in 2015 and was the second African -American woman ever to play on the LPGA Tour. The new building is five-storeys and adjacent to Agnes Blackadder Hall on the North Haugh, near the various science buildings. It is also located near to the Sports Centre and is only a 15 minute walk to the town centre.

Aluminium copings were also installed on Whitehorn building, a four-storey building located adjacent to University Hall, near to the Sports Centre and the various science buildings on the North Haugh. It is named after Katharine Whitehorn – British journalist, writer and columnist, and first female Rector of the University of St Andrews from 1982 to 1985.

The decision to use precast concrete systems for the bulk of the building’s structural frame, cladding and balcony units was taken at an early stage on the project. The brief demanded a robust finish on the building, which would limit the amount of ongoing maintenance required.

Precast concrete is the ideal material of choice for frame construction and cladding.

Rising to the challenge

The job itself was not without its challenges. Speaking with MMC Magazine, Contracts Manager Ramon Escriva said “On the technical side, it was a very difficult installation with most of the panels with no access to fixings. We devised a range of different solutions to provide fixing points. There were also several cases with overhung panels that required special craneage arrangements.”

Creagh Director and Co-Founder Seamus McKeague added “We are seeing strong interest in our rapid build concrete systems because developers now understand the true value of slashing programme times.

“Investors not only benefit from revenue gained by the early occupation of units but, also, from the mobility of their capital resource. Quite simply, shorter build times mean developers can complete more projects with the same pot of finance.”

The brand new building offers various facilities for students to use for studying and/or socialising including, main social space, games room, cinema room, private dining room, sound insulated music room, study spaces, kitchen/lounges & a laundry room.

The new additions to the halls of residences will increase residential space offered by the University from 4,000 to 4,900 occupants, in an effort to accommodate the increase of students attending the University.

Tackling the severe accommodation shortage

From a political point of view, this project couldn’t have come at a better time, with Scotland facing a “clear problem” with providing accommodation for university students on campus.
In a recent article in the Scotsman, Green MSP Mark Ruskell called on the Scottish Government to hold a summit of university accommodation providers and student representatives to tackle the issue. Speaking at Holyrood, he said “I think it is clear that we have got a problem across Scotland.

“At Stirling University 180 first year students didn’t have accommodation last year. Under-18s cannot rent in the private sector, care leavers and international students struggle to find guarantors for private contracts. Disabled students very rarely find the appropriate private accommodation to meet their needs and we see increasing rents on campus as well.”

About Creagh

Creagh Concrete has been a pioneer of precast for over 43 years. They are one of the UK’s largest producers of concrete products for a diverse range of market sectors throughout the UK and Ireland. Creagh is leading the market with innovation in concrete, providing new solutions across the construction industry, changing the way people think about concrete, bringing new levels of efficiency and performance to their products.

The company operates from its head office in Toomebridge, Northern Ireland with bases in Ardboe, Dunloy, Draperstown and Magheraglass and also at Nottingham, England and Edinburgh, Scotland.

We asked them what their ethos is and this is what they said: “Creagh is all about quality products & relationships – strong relationships with our customers, sub-contractors, clients and suppliers. These relationships are key to our business and our approach to working together to deliver successful projects. From initial design consultation, through project development, groundworks, installation and beyond, your scheme couldn’t be in more experienced hands.”

for more information please visit www.creaghconcrete.co.uk.

Spantherm is an innovative ground floor system from Creagh Concrete which is being adopted by a growing number of local house builders.

As housebuilders increasingly explore the opportunities for new ideas to reduce labour onsite and boost efficiency in the build it makes sense that they start with the ground floor. The initial appeal of Spantherm is clear, because a typical floor on a detached house or a pair of semis is fitted onsite in less than two hours.

Most builders opt for the work to be completed by Creagh’s expert fitting team, requiring no labour from the house builder; however the floor can also be ordered on a supply only basis for installation by the builder’s own team. Once in place and grouted, the floor achieves its full structural capability with 72 hours but building activity can commence on perimeter walls within 24 hours.

Practicality

The speed of construction saves around a week off the total schedule when compared to the typical poured concrete floor alternative. A further advantage is that the factory made Spantherm floor come to site as single units combining the precast concrete and insulation material, so there is no requirement to stock or handle loose insulation. This feature also means that the installation of Spantherm is not weather dependant and creates zero waste onsite.

Each Spantherm floor is manufactured to the house plans provided, taking account of the required loadings and the positioning of services which penetrate the slab. Creagh’s technical team however, are on hand to measure the builder’s sub-floor works prior to manufacture, so any site issues are eliminated.

The Creagh flooring team work closely with each site manager to ensure the floors are available to call off when required and this level of cooperation greatly simplifies the process for the builder.

Performance

Everyone can understand the advantages of faster completion however Spantherm brings a second major benefit in the form of its excellent thermal
performance and the impact that brings within the most recent building regulations. Getting off to a good start with an energy efficient floor system is essential to a strong fabric first solution.

Designing and building energy efficient homes to meet current regulations can be a complex process but installing a high performance insulated ground floor is always a good start.

The regulations have been designed to make house builders consider more than just the physical performance of the structural envelope, they are now obliged to consider each individual component’s impact on the buildings overall energy efficiency and particularly the removal of thermal bridging.

All of these factors are combined within Standard Assessment Procedure (SAP) calculations and this adds a further dimension for builders to consider as they seek the most cost effective specification for each house type.

Reducing Heat Loss

The design of Spantherm insulated concrete floor is optimised to provide the maximum practical insulating effect by combining high performance EPS and structural precast concrete in a single factory built unit. This provides a thermally efficient system which rates favourably against building regulation requirements and provides U values which are superior to that achieved by many alternative flooring products.

Combatting Thermal Bridging

Spantherm’s reinforced concrete structure has been designed in a way to minimise the thermal bridge at all the junctions between the wall and the floor units. It is this excellent thermal efficiency which gives the builder that good start to their total SAP calculation which can reduce the reliance on the use of expensive renewable technologies.

For more information please visit www.creaghconcrete.co.uk.