Education PPP Turns to Passivent to Help Achieve Optimum Sustainability
One of the largest single education PPP projects has turned to
Passivent to help achieve optimum energy efficiency and best practice. Passivent has worked with Morgan Ashurst on a £130m PPP for East
Dunbartonshire Council, building six new secondary schools. Under the scheme, schools have to achieve at least a ‘very good’ BREEAM rating, which Passivent natural ventilation is proven in practice to help achieve. Project architect Aedas and Archial has designed each of the schools
to be effectively, naturally ventilated using 50 Passivent Airstract Terminals across the six schools, in line with the design brief of which a key element was ‘the successful integration of natural light and ventilation’. The largest of the new buildings, Bishopbriggs Academy for 1200 pupils, features 12 Airstracts, whilst the smallest 650-roll Turnbull High has five. The Passivent Airstract terminals utilise the Passive Stack principle, harnessing convection where warm air rises, and the venturi effect, wind passing across a terminal causing suction, to maintain ventilation flow rates and carbon dioxide levels in accordance with Building Bulletin 101-Ventilation for School Buildings. They use electricity only to attenuate the motorised ventilation louvres to adjust the extract flow depending on internal air quality. The system ensures a controlled flow of ‘used’ air out of the building,
with fresh replacement air coming into and through the building through strategically placed vents above windows and doors, and being extracted through the Airstract terminals tactically positioned on the roof above stairwells. As the system functions constantly, 24/7, it also provides ‘free’ night cooling, allowing daytime heat build-up to be dissipated, and ensuring a fresh internal environment when pupils and staff arrive the following day. In addition, Passivent natural ventilation systems reduce energy consumption over air conditioned buildings by up to 50%, yield 15% savings on capital costs and 75% savings on maintenance costs, and eliminate the need for a separate plant room. Passivent is a founder member of the NatVent EC-EU-funded project
co-ordinated by the Building Research Establishment to develop practical natural ventilation solutions for the commercial sector, and is developing “smart” solutions to promote adoption of natural ventilation. The company has contributed to the BISRIA guide BG2/2005 Wind Driven Natural Ventilation Systems, as well as being a member of the DfES steering committee on ventilation guidance for schools, Building Bulletin 101.
ISG Jackson Makes History at Enfield School Rachel Williams, a pupil from The Raglan Junior School in the London
Borough of Enfield, has made history when she helped bury a time capsule within the new ornamental garden at her school. Rachel won a competition run by ISG Jackson Special Projects to generate ideas for objects that would be buried on site in a time capsule to commemorate the successful completion of a £2.25 million modernisation project at the Junior and Infant schools. Pupils at The Raglan Junior School have been thinking about objects
that will provide future generations with an insight into life in the year 2010. Ideas ranged from tape recordings of pupils singing in assembly, through to video diaries and an MP3 player. Rachel won the competition and her list of items that are now buried within the time capsule include: • A school jumper and bag • School prospectus • House colour school ties • House system poster • Staff photograph • A photograph of each class • A selection of work for Yr3, Yr4, Yr5 and Yr6 • A recycling poster
HLM Designed All Saints High School, Sheffield, Starts on Site
Construction work on the new All Saints High School on the outskirts of
Sheffield is underway. The £27,000,000 project, designed by HLM Architects, will incorporate a remodelled and extended All Saints campus providing for approximately 1,400 students ranging from 11 to 16+ years old and students in the sixth form. The project, which will be completed in September 2011, also includes a special education needs school, SEN Seven Hills, which will provide places for students with profound and multiple learning difficulties. The two schools will be located on the same campus on what was once
Sheffield Deer Park and the design aims to provide innovative opportunities for both schools to exploit and maximise inclusive learning opportunities. Linked physically, they will share key accommodation, including a suite of post-16 facilities providing integrated sixth form learning and social space, dining areas and recreational and sports facilities. Staff will also have the opportunity to work together through shared staff facilities and a single front of house. Key aspects of the design include:
• New main entrance to serve both schools and community • Separate traffic and pedestrian routes where possible • Link new dining hall in Seven Hills with the existing dining in All Saints to integrate the population of both schools • Link existing Blocks A, B and C with a new extension to All Saints School • Combined 6th form department for both schools • Combined administration and staff areas for both schools • New specialist teaching accommodation to be created in All Saints school • External teaching spaces linked to internal classrooms where possible The curriculum vision for the school centres on the ambition and aspiration
of the students, which means students will increasingly be offered personal bespoke learning programmes and will be expected to learn with and from each other, and on occasions independently of the teacher. This has significantly impacted the building design – more flexible spaces are required and will include ‘learning Suites’ and large ‘conference’ type areas. The opportunity for students to work in different environments both specialist and general will be plentiful. A high quality, landscaped entrance plaza is crucial to the effectiveness of the project and the outdoor school spaces will be landscaped to address the diverse nature of the pupils. The design also incorporates a range of sustainable design principles, including: • Use of thermal modelling to optimise building envelope u-values • Naturally ventilated where possible. • Provision of green ‘habitat’ roof to new build • Automatic lighting system to supplement and enhance daylight levels • Utilisation of natural indirect light from the sky to provide diffused light as the primary source of illumination wherever feasible
• Artificial lighting designed to supplement daylight levels when insufficient • Infrared movement detectors with delay settings within ancillary areas • Veolia district heating to aid in achieving 60% carbon reduction
VPhase is Granted European Patent Marking the continued success of the VPhase voltage optimisation
device in the UK, VPhase plc is pleased to announce that it has been granted a European voltage control patent from the European Patent Office. The new patent, identified as European patent number 1913454, has also been granted in New Zealand and the USA. Once translated in all 0 countries designated in the European application, the patent will have been granted in 34 countries in total including Russia and South Africa. VPhase CEO Dr Lee Juby comments: “This patent recognises the unique and effective way that VPhase helps consumers reduce energy wastage and carbon emissions in the home, whilst significantly cutting electricity bills. This approval will help drive the business forward within the wider European domain, allowing homes across Europe to benefit as well.”
The VPhase voltage optimisation device, which launched earlier this year, delivers immediate and significant money and energy savings across
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the whole home, without requiring a change in lifestyle or electricity supplier. The low-cost unit uses voltage optimisation technology to reduce the incoming voltage and manage it to a stable level, normally 220V in the UK. This eliminates ‘over voltage,’ which is often a costly and unnecessary waste of energy and ensures many electrical appliances use less electricity and cost less to run, as well as cutting carbon emissions. VPhase is working with a number of major UK utilities to introduce VPhase units into homes nationwide and it is currently being tested in Scottish and Southern Electric (SSE) customer homes, under the UK Government’s Carbon Emissions Reduction Target (CERT) scheme, to determine the lifetime carbon dioxide savings of the device. The VPhase unit is fitted next to the fuse box and operates on socket outlets and lighting circuits where it can maximise savings. It is best fitted whenever a new fuse box is fitted, adding value for the electrician and the homeowner.
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