Sustainability is increasingly high on the agenda and these schemes all demonstrate it in abundance. This category recognises the most sustainable projects of the past year.
Clugston Construction – Marine Walk Redevelopment Phase 2, Seaburn and Roker, Sunderland
Sunderland’s seafront at Roker and Seaburn had been in decline since the 1960s, when it was a bustling seaside destination.
Following investment of £1.6m, Clugston incorporated innovative sea defence works into visually eye-catching soft and hard landscaping, breathing new life into the area while ensuring its safety from the threats of flooding and climate change.
High tides in December 2013 put the defences to an early test, which it passed without major damage.
HETCo – A Ferrovial Agroman and Laing O’Rourke joint venture – Heathrow Terminal 2A
HETCo was established to design, build and commission the new Terminal 2A at Heathrow, part of the airport’s £2.5bn T2 development project.
The works included the demolition of the old T2 building and the construction of the new one, as well as 12 aircraft stands and links to T1 and T2B. T2A is the first airport terminal in the world to undergo a BREEAM assessment and is on track to receive an Excellent rating.
Ninety-nine per cent of the project’s waste was diverted form landfill, with 100 per cent of the pavement concrete from the previous building recycled as wet lean concrete for new road pavements.
John Lewis Partnership – Waitrose Chipping Sodbury
Waitrose Chipping Sodbury was built on top of an old limestone quarry, using recycled materials and enhancing local biodiversity to achieve a 50 per cent reduction in carbon. John Lewis worked closely with main contractor Midas throughout.
More than one tonne of recycled plastic was used to manufacture six covered trolley bays and two external benches, while recycled plastic kerbs were also installed.
New feeding and nesting opportunities for bats, birds, otters, amphibians and reptiles have all been created within 1 km of the site.
Keepmoat and Contour Homes – St Mary’s, Oldham
This 93-home development has seen Keepmoat build houses to Code for Sustainable Homes Levels 3, 4, 6 and certified Passivhaus standard.
The £14.8m scheme was completed in April 2013 for Contour Homes, with Passivhaus residents spending only £20 per year to heat their properties.
Recent government analysis suggested that building homes to the zero-carbon standard would cost an extra £395/sq m, but Keepmoat demonstrated it could build them for less than a third of that at just £131/sq m – and just £275/sq m for the Passivhaus houses.
Laing O’Rourke – Manchester Town Hall Complex Transformation Programme
The Manchester Town Hall Complex Transformation Programme involves the refurbishment of two Grade II-listed buildings. Initially working towards BREEAM Very Good, the project was actually rated Excellent for its performance.
Achievements included the refurbishment and resealing of original bronze-framed windows to reduce air filtration rates, daylight-linked lighting controls, a minimum 41 per cent reduction in total carbon footprint, heat recovery for mechanical ventilation systems, a CHP plant to meet 20 per cent of the site’s final needs and the employment of 66 apprentices.
Skanska Building LSE – Brent Civic Centre
Every aspect of the design and construction of Brent Civic Centre was looked at to deliver maximum sustainability gains over the whole life of the project while keeping within budget.
A CHP plant that runs on the least polluting, most efficient waste product – fish oil – was installed, which will also provide an income for the client over the building’s life.
The team received three innovation credits from BREEAM as part of its Outstanding rating, and the Borough of Brent will receive year-on-year savings from the sustainable measures installed.
Skanska Balfour Beatty joint venture – M25 LUS MMALR J5-7
M25 junctions 5-7 mark the first Smart Managed Motorway All Lanes Running project to be opened in the UK. The concept uses the existing hard shoulders as running lanes, negating the need to widen the motorway.
With no need to construct an additional lane and the extensive retaining walls that would be required, embodied carbon was reduced by 80 per cent from 5,000 t/km to 1,000 t/km.
More than 200,000 tonnes of aggregates from the refurbishment have been recycled back into the scheme, while waste reductions saved the project £1m.
Turner & Townsend – Esholt Bio Energy Project, Yorkshire Water Services
Yorkshire Water wanted to increase its renewable energy generation from 10 per cent in 2010/11 to more than 25 per cent by 2020.
As part of this aim, Esholt in Bradford was chosen for a fully sustainable plant, which generates sufficient electricity to run the plant and export any surplus to the national grid.
The design uses anaerobic digestion to break down sludge and produce energy-rich biogas that can be burned in a CHP unit to produce electricity and heat. The project’s aims were achieved, with Yorkshire Water’s customers expected to save up to £1.3m per year.
Wates Group – Newport Magistrates’ Court
This 30,000 sq ft development replaces Newport’s outdated Magistrates’ Court with a new sustainable and futureproof facility.
The project achieved a BREEAM Excellent rating and includes features such as thermal solar panels to heat hot water and the insulation of a brown roof.
Environmental factors were carefully considered, with damage to local ecology mitigated and minimised as much as possible. In addition, 75 per cent of the team was drawn from within a 30-mile radius of the site.