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Library Buildings around the World

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Three building elements form <strong>the</strong> basis of <strong>the</strong> design: <strong>the</strong> 'sound shell', a performance hall and a sports hall. The sound shell wraps<br />

teaching spaces <strong>around</strong> <strong>the</strong> social heart of <strong>the</strong> school and terraces down to <strong>the</strong> canal, creating a sense of enclosure and protection,<br />

with <strong>the</strong> 'hoop' supporting <strong>the</strong> large ETFE wall unifying <strong>the</strong> academy spaces and bringing vast amounts of daylight right down into<br />

<strong>the</strong> lower ground floor. The north and south halves of <strong>the</strong> shell are arranged on half levels so that adjacent teaching spaces are<br />

reached by 10 steps in <strong>the</strong> staircase, providing stronger links across <strong>the</strong> different academic departments. A play deck and learning<br />

resource centre are suspended from <strong>the</strong> sound shell and are located above <strong>the</strong> central square, which opens out onto a café with views<br />

to <strong>the</strong> canal.<br />

The 450-seat concert hall for use by <strong>the</strong> wider community outside of school hours was ano<strong>the</strong>r opportunity for unique design. It is<br />

designed as a pavilion surrounded by nature, set among a hanging garden.<br />

The sports hall has been sunk into <strong>the</strong> ground to reduce its height and with glazing at street level. Separate access is provided for offhours<br />

use of <strong>the</strong> sports hall and a fitness room for local clubs. Terraces at each level of <strong>the</strong> building allow for a continuous stepped<br />

landscape from <strong>the</strong> top of <strong>the</strong> sports hall down to <strong>the</strong> canal.<br />

A curved truss beam suspends <strong>the</strong> library above <strong>the</strong> central square, freeing up <strong>the</strong> ground floor for assembly and social interaction.<br />

The steel structure is intended to be visible so that, in keeping with <strong>the</strong> specialism of maths and music, <strong>the</strong> school becomes not just an<br />

environment to learn in, but an environment to learn from.<br />

Construction was from February 2007 until June 2008. The school is 10,250 m2 and it accomodates 1150 pupils. Bridge Academy<br />

won <strong>the</strong> Scala Award for Civic Building of <strong>the</strong> Year in 2009.<br />

Social<br />

Bridge Academy is part of <strong>the</strong> national government initiative to build state-of-<strong>the</strong>-art schools in <strong>the</strong> country’s worst performing<br />

areas. It aims to improve <strong>the</strong> attendance and performance of students at <strong>the</strong> school, in turn reducing youth crime and improving <strong>the</strong><br />

economic future of <strong>the</strong> area. Situated on <strong>the</strong> Regents Canal on an inner-city brownfield site, <strong>the</strong> design creates a focus for <strong>the</strong><br />

regeneration of a neglected area. Predominantly reachable by foot for a local pupil base, this new school is also accessible for<br />

community use out of school hours. The scheme builds on BDP’s successful schools without corridors, which maximise social<br />

cohesiveness and minimise opportunities for bullying. Care has been taken to create a fair and inclusive learning environment for all.<br />

These details are subtly integrated in to <strong>the</strong> overall design to ensure users do not feel different because of <strong>the</strong>ir disability. Control of<br />

noise levels in teaching spaces is important to optimise learning for students with hearing difficulties. Bridge Academy is a nondenominational<br />

school, which none<strong>the</strong>less attracts a diverse variety of faiths and ethnic and social backgrounds which need to be<br />

respected. The sports hall window on Laburnum Street can be screened off to provide privacy during PE lessons. Similarly <strong>the</strong><br />

kitchen caters for Halal and Koscher meals. In response to <strong>the</strong> background poverty within <strong>the</strong> area, <strong>the</strong> provision of discounted<br />

nutricious meals was a key part of <strong>the</strong> brief set by <strong>the</strong> school’s sponsor, as quite often <strong>the</strong> standard of cooking at home could be low.<br />

As such <strong>the</strong> kitchen is oversized by comparison to o<strong>the</strong>r schools to provide freshly cooked meals on site every day.<br />

Technological<br />

Innovative computer modelling software (BIM) was used in <strong>the</strong> design of Bridge Academy to coordinate structure and mechanical<br />

designs. This was subsequently transposed to <strong>the</strong> fabrication line, thus reducing wastage, streamlining <strong>the</strong> construction programme<br />

and increasing <strong>the</strong> efficiency of site delivery scheduling. A 3D animation, created by 3DW, was particularly useful in <strong>the</strong> early<br />

briefing stages of <strong>the</strong> project as <strong>the</strong> model was viewed <strong>around</strong> <strong>the</strong> world in various offices of client and sponsor organisations. It was<br />

also used as a tool for <strong>the</strong> local population of <strong>the</strong> London Borough of Hackney to see <strong>the</strong> building in context and take a virtual tour of<br />

<strong>the</strong> building’s internal spaces. Through its application, <strong>the</strong> structural engineers took a leading role in defining <strong>the</strong> building form. The<br />

architecture and building services were wrapped <strong>around</strong> and through <strong>the</strong> model to ensure creative and practical integration. The use<br />

of BIM provided several benefits to <strong>the</strong> project including efficient drawing production (<strong>the</strong> model is sliced horizontally and vertically<br />

to create general arrangements and cross-sections) and <strong>the</strong> export of <strong>the</strong> model to structural analysis software packages. It enabled<br />

early detection of clashes with architecture and building services and enhanced communication of <strong>the</strong> construction methodology. It<br />

eased <strong>the</strong> transfer of information to <strong>the</strong> steel fabricator and <strong>the</strong> models enabled <strong>the</strong> client and o<strong>the</strong>r members of <strong>the</strong> design team to<br />

better understand <strong>the</strong> building form. The BIM work on this project has already been recognised with a Bentley Enterprise Award.<br />

Economic<br />

With floor space at a premium on such a confined site, flexible use of space helped meet demands of <strong>the</strong> brief. Retractable partition<br />

arrangements are used to allow spaces to be used in different configurations. A key example of this is <strong>the</strong> Performance Hall which<br />

creates a 450 person auditorium out of curriculum teaching space using a retractable acoustic ‘Skyfold’ wall and retractable seating<br />

units. Circulation space is appropriated for learning - for example <strong>the</strong> Central Square has multiple uses including assembly and <strong>the</strong><br />

ICT balconies <strong>around</strong> <strong>the</strong> atrium. Out of school hours, <strong>the</strong> building is used in a number of novel ways. The lecture <strong>the</strong>atre is used as<br />

a cinema, and <strong>the</strong> sports hall will be a beach volleyball training facility during <strong>the</strong> Olympics. Wedding receptions, business fairs and<br />

private functions are held in <strong>the</strong> central and it has been used by local community groups for festivals and events. Recording suites,<br />

recital suites, music technology labs and <strong>the</strong> performance hall are made available for hire without disrupting <strong>the</strong> day-to-day<br />

operation of <strong>the</strong> school by means of a dedicated community entrance. This also ensures additional revenue for <strong>the</strong> school which can<br />

be put back into <strong>the</strong> running of <strong>the</strong> school. Designing future flexibility was necessary to meet changing educational and technological<br />

needs. Positioning <strong>the</strong> structure towards <strong>the</strong> perimeter of <strong>the</strong> slab enables <strong>the</strong> reconfiguration of partitions. Cellular beams and<br />

raised floors also offer flexibility for services. There is also future potential for <strong>the</strong> covered car park to be converted into usable<br />

space.<br />

Environmental<br />

In line with BDP’s commitment to sustainable development, several basic principles were implemented from <strong>the</strong> early stages:<br />

sensible building orientation, natural ventilation, natural daylighting, enhanced insulation and solar shading. The form of <strong>the</strong><br />

building has been designed as a single wrap of teaching spaces to minimise energy use by cross ventilation and maximising daylight<br />

from two sides. The use of ETFE ensures that <strong>the</strong> building is well lit, from <strong>the</strong> very top to <strong>the</strong> basement of <strong>the</strong> school, even on <strong>the</strong><br />

dullest days. Direct sunlight is controlled by high levels of insulation and solar shading to reduce <strong>the</strong> heat load. For <strong>the</strong> most part of<br />

<strong>the</strong> year <strong>the</strong> school is naturally ventilated, utilising <strong>the</strong> seven storey space on <strong>the</strong> canalside of <strong>the</strong> building to enable a stack effect in<br />

<strong>the</strong> building's central space. A ground remediation strategy was developed that minimises <strong>the</strong> extent of off-site disposal, whilst<br />

creating a safe environment for <strong>the</strong> academy and <strong>the</strong> community. Demolition material from <strong>the</strong> previous school building was used in<br />

<strong>the</strong> sub-structure. All timber used was sourced from sustainable sources. The school design makes use of <strong>the</strong> canal as a unique<br />

feature of <strong>the</strong> site to discharge rainwater overflow in to, hence reducing <strong>the</strong> size of <strong>the</strong> below ground rainwater attenuation tanks and<br />

minimising <strong>the</strong> extent of excavation and off-site disposal of material. A key principle of <strong>the</strong> design is that <strong>the</strong> school is set 700 metres<br />

from most of <strong>the</strong> pupils’ homes in <strong>the</strong> catchment area, meaning that use of vehicular transport is largely unnecessary and <strong>the</strong>refore<br />

minimal carbon emissions result from journeys to and from school.<br />

Productivity<br />

The building creates a number of characterful places and makes circulation joyful, while its layout has an underlying clarity which<br />

makes orientation simple and easy to manage. The two main stairs and lift cores act as foci for movement and social interaction, and<br />

life’s essentials such as <strong>the</strong> toilets can be found in similar locations across floors. The north and south half-levels of <strong>the</strong> building are<br />

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