Friday 27/07/2012 In association with The British Friday 27/07/2012 www.bdonline.co.uk 8 STEEL FOCUS Structural Steel Design Awards 2012 Constructional Steelwork 9 www.bdonline.co.uk Association and Tata steel

seat building. Although the team fixed directly onto the outside AWARD considered using a steel arch, of the bowl, and seating terraces The Velodrome has distinctive it always favoured a cable-net were fixed directly to the inside cedar cladding and a lightweight Olympic double 2012 roof solution, which had rarely with air-handling units inte- cable-net roof. been used in the UK on such a grated into the voids within the VELODROME large scale. skeletal bowl structure. “Shrink- The structure consists of in- wrapping” the building envelope leads 2012’s Olympic Park, situ concrete for the lower bowl, on to the steel skeleton in this and structural steel for the cedar- way reduced the surface area and London clad upper bowl, topped by an cost of cladding. undulated steel perimeter ring The Velodrome achieved a steel winners Architect Hopkins Architects truss, which restrains the roof Breeam “excellent” rating, assist- Structural engineer cables. The cable-net includes 14 ed by its 29% recycled content, Expedition Engineering km of steel cable, with 36 main lightweight structure and use of Two of the sporting venues built for the cables arranged in pairs at 3.6m natural ventilation. Steelwork contractor centres. It is pulled down hard The judges were impressed by 2012 games are among the six top winners Watson Steel Structures Ltd on to the seating bowl structure the use of lean, sustainable de- for this year’s Structural Steel Design (Severfield-Rowen PLC) below, giving the venue its dis- sign to achieve an iconic sporting Main contractor ISG tinctive roof form. The 13,000sq venue. Awards, which also include two bridges, Client Olympic Delivery Authority m roof is estimated to be about “It’s incredibly elegant — a 35% lighter than that of the next very, very fine building,” says a viaduct strengthening project and the With its Pringle-like double- comparable venue and is topped judge Oliver Tyler. “I like its ef- major upgrade of a famous British theatre curving roof, the London 2012 with a standing-seam aluminium ficient use of material, and its Velodrome has become one of covering. The roof ’s cable-net integration of architecture and Text by Pamela Buxton the most recognisable and popu- form reduced the need to work at engineering. You feel that it’s a lar venues on the Olympic site. height, with the cables set out at reflection of what cycling is all According to Andrew Weir, ground level before being jacked about — efficiency — with warm director of structural engineer into position over three weeks. curves and a sense of drama. It’s Expedition Engineering, the in- The upper and lower tiers of very, very well put together.” tention was always to use a very seating are separated by the main After the games the Velodrome lightweight structural solution to circulation concourse, which is will remain on the Olympic Park s the 2012 Olympic cultural, mixed-use and com- achieve Hopkins’s “very simple glazed to allow views in and out as part of the VeloPark cycling Games gets under- mercial buildings. Once again, and pure” concept for the 6,000- of the building. Cladding was venue. way, it’s fitting that a public art work is included — two of the key venues this time Wolfgang Buttress’s on the Stratford site RISE sculpture, following on are among the win- from the success last year of An- Aners in this year’s Structural Steel tony Gormley’s Crouching Man. Design Awards, given for excel- Among the winners are two de- lence in structural and architec- mountable buildings: the Ol- g h tural design. ympic Stadium and, on a much The Olympic Stadium and smaller scale, the Garsington n a : R os K ava Velodrome are two of the six re- Opera Pavilion, designed to be

cipients of the top awards, along packed away each year if neces- Cr e di t with the Peace and MediaCityUK sary. The symmetrical bridge links Protestant and Catholic communities. footbridges in Derry and Man- Judges praised the pared- chester, the Royal Shakespeare down and highly legible design Theatre in Stratford, and the re- of the Olympic Stadium, and the It also responds to bends in the medial project to strengthen the “great refinement” of the Velo- AWARD river to maximise long views in Bidston Moss viaduct. Ten other drome. either direction. projects were commended, with They were also impressed Peace Bridge “As you walk across the bridge, a further 13 projects among the by the elegance of the bridges, views open up in one direction finalists. and the great attention to detail Derry-Londonderry and close down in the other,” says “The Olympics were bound shown in projects such as Fos- Marks. “The structure is always to figure in this year’s awards,” ter’s McLaren Production Centre on the side where the long views says chair of the judges David in Woking and Rogers Stirk Har- Cyclists test out Hopkins Architect aren’t.” Lazenby. “But transport infra- bour’s Neo Bankside. Architects’ “lean and sustain- Wilkinson Eyre Architects The river span accounts for : London 2012 : London 2012 : London structure was also very strong, “The overall standard was able” Velodrome. Structural engineer 96m of a total bridge length of such as motorways, viaducts, rail very high indeed, even among Cr e di t Cr e di t Aecom 312m. The bridge deck is made and footbridges, and energy cen- those who aren’t getting awards,” Steelwork contractor from weathering steel in an or- tres. These structures are very says Lazenby. “The two things Rowecord Engineering Ltd thotropic triangular box section, important, and have clearly been that come over most strongly are with transverse cantilever gird- Main contractor very well done.” the genuine spirit of cooperation ers connected to the underside A total of five bridges, and two in the teams and the focus on to- medieval courtyard theatre. Graham Construction of the box web. The convex edge power stations, were among the tal team success. In these tough AWARD Steelwork by Billington Struc- Client of the deck has a stringer beam winners, as well as residential, times, it’s what you have to do.” tures and CMF played a crucial Ilex Urban Regeneration Company that connects the ends of the The Royal role in the whole transformation deck cantilevers and supports project, making the construction Wilkinson Eyre’s footbridge over the parapet system. THE JUDGES Shakespeare as light as possible to minimise the River Foyle in Northern Ire- The deck width varies from π Chairman of the panel piling requirements in the wa- land is far more than a useful 3.5m at the ends of the cross- David Lazenby Theatre terside location. The building crossing to connect the com- ing to 4.5m seating areas at the Representing the Institution uses 580 tonnes of steel to create munity of Ebrington in the east pylons. The curve of the deck of Civil Engineers Stratford-upon- extensions to the existing listed — including a former British bar- is accentuated by a zone of alu- π Gerry Hayter building, including the new au- racks — more directly with the minium decking throughout the Representing the Highways Avon ditorium. Here, the exposed steel centre of Derry-Londonderry in span. Each inclined pylon rises Agency created the structure and also the west. 38m and rakes away from the π Joe Locke Architect Bennetts Associates reflected the architect’s desire to As its name suggests, The bridge, evolving from hexagonal Representing the steelwork Structural engineer create a hand-made aesthetic. Peace Bridge is conceived as a fabricated box sections up to a contracting industry Judges visiting the Energy Steelwork contractors The 1,040-seat auditorium is landmark structure that physi- triangular pyramid at the tip. The π Martin Manning from Waste Facility in Jersey. Billington Structures Ltd formed by four 24m-long, 3.4m- cally and symbolically links the deck is suspended from one edge Representing the Institution (primary steelwork) deep, steel roof trusses. These Catholic and Protestant commu- by a filigree array of hanger rods of Structural Engineers structures and can be situated rest on the concrete auditorium nities. As such, the architects were spaced along the concave edge of π Chris Nash, partner either in the UK or overseas, CMF Ltd (auditorium steelwork) walls that form the sides of the careful not to visually prioritise ei- the deck at 4.5m intervals. at Grimshaw Architects, provided they have been built Main contractor Mace Group Ltd auditorium building. ther side of the bridge, instead de- The bridge opened one year Representing the RIBA by UK or Irish steelwork Client Royal Shakespeare Company The upper seating tiers are signing a completely symmetrical ago and, says Marks, has become π Bill Taylor, architect, contractors. They must have supported on 10 slender cruci- structure. something of a destination in its Representing the RIBA been completed and be ready form columns with the ring beam “It’s conceived as two self-an- own right, with locals enjoying π Oliver Tyler, director for occupation or use during It took approximately 1 million structure tied back to concrete chored suspension bridges that spending time on benches in- of Wilkinson Eyre the calendar years 2011 and man-hours to complete the £112 cores behind the auditorium overlap for 20m or so in the mid- corporated within wind breaks Representing the RIBA 2012. Previous entries are million remodelling of the Royal walls. dle,” says Wilkinson Eyre associ- below the pylons. not eligible. Projects can be Shakespeare Theatre in Strat- The judges praised the way ate director James Marks. The judges praised the bridge Enter SSDA’s 2013 submitted by anyone in the ford-upon-Avon. This complex the design team responded to the As well as responding to po- as “a fine example of careful de- Awards project team. The deadline for project upgraded the facilities “exceptionally challenging” and litical issues, the bridge’s S-shape tailing and complex fabrication”, : P ete r Coo k Entry is open for next year’s entries is December 7, 2012. to present-day standards, while evolving demands of the project, alignment relates to local site as well as a symbol of recent po-

SSDA Awards. Eligible Details and entry form: creating a new main auditorium Cr e di t with steelwork key to the crea- conditions by connecting to the litical and physical regeneration projects must be steel-based www.steelconstruction.org with the intimate dimensions of a Exposed steel forms the distinctive character of the main auditorium. tion of the major new areas. key axial routes on either bank. developments. Friday 27/07/2012 In association with The British Friday 27/07/2012 www.bdonline.co.uk 10 STEEL FOCUS Structural Steel Design Awards 2012 Constructional Steelwork 11 www.bdonline.co.uk Association and Tata steel

top SSDA awards. manufacture. A fan-like arrangement of AWARD Judges praised the expressed The terraces’ superstructure masts supports the cable- exo-skeleton steel superstructure consists of precast concrete units stayed swing bridge. Olympic with its clear definition between on raking lattice girders, which the different structural systems: are supported on concrete shear stadium white for the tubular roof, and walls at the front and by raking black for the seating bowl steel- steel columns along the span. London work, which helped create a high- The roof is structurally independ- ly legible design. ent from the terrace structure, and Architect Populous “I liked the pared-down nature consists of a 900m-long, 12m- of the stadium,” says judge Oliver deep outer ring truss supported Structural engineer Buro Happold Tyler. “It’s unlike many stadiums on 32 inclined tubular columns Steelwork contractor these days that have so much an- down to ground level. The bolted Watson Steel Structures Ltd cillary building. “There’s no fan- outer truss has simple flange con- (Severfield-Rowen PLC) ciness to it, but it’s a very effective nects for ease of erection and dis- Main contractor piece of architecture and engi- mantling, and supports the PVC Sir Robert McAlpine neering. It’s very well articulated. fabric roof covering, together Client Olympic Delivery Authority It’s not dumbed down for being with an inner tension cable ring. a building that might be taken On top of this cable ring are 14 ni el Ho pk inson : Da As millions of viewers around the apart.” lighting towers, each 30m high,

Cr e di t world tune into the Olympics, The unusual need for total de- connected to each other and back relatively few will realise that the mountability had a strong bear- to the compression truss with client The Peel Group wanted The masts vary in height up handsome stadium they’re look- ing on the stadium’s design and a secondary cable system. The AWARD the £10 million structure to be to 30m, and converge at their ing at was made using recycled construction, according to Paul cable net was assembled at low a memorable and unique design base in a steel pedestal on a re- gas pipeline, nor that the vast Hulme, director of steelwork level, then raised into place in a THE FOOTBRIDGE that symbolised the ongoing re- inforced-concrete pier, on which majority of the venue is just tem- contractor Watson Steel Struc- complicated manoeuvre involv- generation of the wider area. the bridge pivots through 71 de- porary. tures. “All connections were de- ing 56 synchronised jacks. MediaCityUK Wilkinson Eyre’s response grees to the west. The lean, demountable na- signed with demountability in The stadium was completed was a cable-stayed asymmetrical The welded deck structure is ture of the Populous-designed mind, so they were all bolted,” he within budget and three months swing bridge that refers to the 4m wide at its narrowest, broad- stadium and its ability to adapt says, adding that the close work- early. It’s almost a shame, adds Architect Wilkinson Eyre shape of the industrial cranes ening out to form a 16m-wide 2012 : London from an 80,000 games capac- ing relationship within the team Tyler, that during the games the Structural engineer Ramboll once active along the waterside, public space at the south, where Cr e di t ity to a 25,000 legacy capacity meant they were able to tweak the wrap covers up much of the ex- Steelwork contractor supported along one deck by a bench cantilevered from each The stadium’s pared-down structure is highly legible and fully demountable. helped win the venue one of the design’s oval geometry to suit its ternal steel structure. Rowecord Engineering Ltd a distinctive fan-shaped array cable anchorage prevents peo- Main contractor of eight tapering masts. The ple walking into the cables. This Regional Civil Engineering whole bridge structure can pivot back span area counter-balances below the masts to allow access the weight of the main span. Client The Peel Group to shipping. The bridge structure was COMMENDATION McLaren’s engineering experi- ing with spans of 18m and 21m.” The bridge consists of two brought to site in modular sec- ence and an appropriate show- The 200m-long by 100m-wide This footbridge over the Man- asymmetric spans and is curved tions, then welded together and room for any visiting clients see- building has two main storeys, chester Ship Canal in Salford has in plan and elevation. On the slid into position, held on tempo- McLaren ing the high-performance sports with a concrete structure for the three main purposes. As a cross- north is the main 65m span rary supports until the masts and cars being hand-built. The result, buried portion and steel above ing, it improves pedestrian links over the canal and on the south cables were installed. Production commented judges, is “almost ground. It is designed on a cross around Salford Quays, forming is an 18m-long concrete-filled The judges praised the bridge surreal in its clinical precision”. grid of 18m, 21m, 21m, 21m and a circular route via the Lowry back span. for its elegance and technical ac- Centre A key design challenge was 18m; repeated along the length of bridge to link the BBC’s new With weight a major issue be- complishment. created by severe planning con- the building. MediaCityUK base, the Impe- cause of the need for the bridge to “It achieves its statement in Woking straints, which led to the two- The integration of services rial War Museum North and the swing open, the deck is designed a logical and graceful manner storey building being sunk into into columns and rafters was a Lowry Centre. At the same time, as an orthotropic steel box, which without being a forced, contrived Architect Foster + Partners the landscape to overcome height challenge for steelwork contrac- it needed to be capable of open- is considerably lighter than the solution,” says judge Bill Tay- Structural engineer Buro Happold restrictions on the site, which is tor Atlas Ward Structures. ing, to allow ships to pass along equivalent concrete structure and lor. “It’s very well made, and the Steelwork contractor Atlas Ward close to Foster’s earlier McLaren “There was a high architec- the water. And on a broader level, also gives a much thinner deck. workmanship is very well done.” technology centre building. tural demand on the structural Structures Ltd (Severfield-Rowen PLC) Other factors were the tight steelwork, says the contractor’s Main contractor Sir Robert McAlpine 54-week construction period and design engineer Dan Dockerty. Client McLaren the need to design with an eye on “It was seen as a high-end proc-

future uses, which together led to t n e rs ess facility rather than a normal COMMENDATION “It’s a very lean building — a bit the choice of structure. a r industrial unit.”

like a Formula One car. Nothing “Steel was a great material to te r + P The judges praised the clarity is wasted,” says Foster’s part- use with that schedule, and it also of purpose and close coordina- Neo Bankside ner Iwan Jones of the practice’s helped us with the architectural tion of building services within 34,500sq m production centre language,” says Jones. “One of Wide spans and concealed the highly rational structure. London for McLaren in Woking, . the challenges we faced was giv- “It’s a smashing building, so : N ig el Young/Fos services give flexibility for The architects wanted the ing McLaren future flexibility. So future use. beautifully done,” says judging

Architect building to be a reflection of we gave them a very open build- Cr e di t panel chair David Lazenby. Rogers Stirk Harbour + Partners Structural engineer Waterman Structures Ltd Steelwork contractor COMMENDATION been concrete — the spans are grid, with clear spans of 21m. Watson Steel Structures Ltd too great and the slab too slim.” The structure consists of struc- AWARD (Severfield-Rowen PLC) According to Brooker, as well tural steel columns and beams Main contractor The Walbrook as creating the large spans, the with composite floor slabs on Client GC Bankside LLP steel was used expressively to metal decking. Cellular beams M53 Bidston Building help soften the building’s form, are used for the services distribu- revealing the column casings and tion. Two atriums from third to Moss Viaduct Steel cross bracing takes centre- London grid externally, and creating the ninth floor levels bring daylight stage at Neo Bankside, a col- rippling street facade as well as into the building, while exter- Strengthening Repairs avoided a £100m lection of four 12 to 24-storey Architect the curved mansard as the build- nally the building is shaded by a viaduct rebuild. residential buildings designed by Foster + Partners ing steps back in height at upper fibre-reinforced polymer system, Merseyside Rogers Stirk Harbour + Partners, Structural engineer levels. with louvres increasing in density span box girder, which connects close to Tate Modern on Lon- In this way, the architects on the upper floors, where more the M53 to the Kingsway Tunnel : Edmund S umn e r Arup Structural engineer Amey don’s South Bank. broke down the potential bulk solar shading is required. under the Mersey. Steelwork contractor Steelwork contractor Cleveland The diagrid external bracing Cr e di t of the building in response to its The judges praised the Breeam Bridge UK Ltd Built in the 1970s, it was in system cuts dramatically across Diagrid bracing crisscrosses the elevations of Neo Bankside. William Hare Ltd sensitive site close to Wren’s St “excellent” building for “further urgent need of repair and, with- the apartment elevations to Main contractor Stephen Walbrook church and developing steelwork’s capabili- Main contractor Costain out the work, would have had to form a series of nodes. Yet rather frame to provide lateral stability, working closely with the architect Skanska UK PLC Mansion House. ties for offices”. Client Highways Agency close. Repairs involved 100km of than deter market interest, these and reducing the requirement on a mock-up of the bracing on Client “We like the idea of reading Judge Bill Taylor said: “It’s an weld to strengthen 604 boxes. became a selling point with for shear walls. site to achieve the desired effect. t n e rs the structure very, very clearly,” interesting project, and we were Unglamorous and undemon- The project came in at £16.8 a r Minerva Ltd some buyers requesting nodal Because of the high visibility of The judges were impressed he says. “Internally, you can see quietly impressed by the use strative, the project to strengthen million compared with a target apartments. the bracing, steelwork contractor by the refinement and quality te r + P “We’ve exploited the real advan- the sweeping curves and how of structural steel and how the the M53 Bidston Moss Viaduct is cost of £25 million, and prevent- As well as contributing to the Watson Steel Structures had to achieved on what was a design- tage of using steel in this build- the line of structural columns is building had been constructed a great contrast to the showpiece ed the need to build a new struc- visual identity, the tubular brac- pay great attention to the visual and-build project. “It’s a tour ing,” says Foster’s senior partner adjusting to the geometry… The using steel to save a great deal of Olympics venues, but was judged ture at a potential cost of £100 ing plays a crucial structural impact of the welds. This required de force of rigour, exceptional The steel structure is Grant Brooker of The Walbrook, upper floors really recede quite time.” equally worthy of a top award. million. The judges described the role, transferring building sta- a great deal of cosmetic work to attention to detail, and engi- a 10-storey office and retail de- dramatically.” The Walbrook was construct- Rescue teams were on standby project as “an astonishing techni- Young / Fos : N ig el Young clearly legible in the bility forces through the nodes conceal and reduce the welds, neering,” says judge Bill Taylor. dramatic atrium space. velopment opposite London’s Typical floor plates have just ed using 6,313 tonnes of struc- throughout the 200-week site cal achievement” within highly from the reinforced concrete with the steelwork contractors “Everything is beautifully made.” Cr e di t Cannon Street. “It couldn’t have 10 internal columns within a 9m tural steelwork. work to upgrade the 730m multi- challenging conditions. Friday 27/07/2012 In association with The British Friday 27/07/2012 www.bdonline.co.uk 12 STEEL FOCUS Structural Steel Design Awards 2012 Constructional Steelwork 13 www.bdonline.co.uk Association and Tata steel

constraint and the desire for an COMMENDATION Rise under Rise’s concentric geodesic COMMENDATION COMMENDATION open-plan ground-floor library construction. domes have become a new led to the use of a lightweight Rise Belfast landmark. Garsington Deptford steel superstructure, combined with a reinforced-concrete stair Belfast Opera Pavilion Lounge and lift cores. This enabled the architect to deliver the large Wormsley London structural spans of 15.5m re- Sculptor quired for the library. Wolfgang Buttress Coping with the different Structural engineer Architect Snell Associates Architect Pollard Thomas Edwards servicing requirements was also a challenge, and included the Price & Myers Structural engineer Momentum architects Steelwork contractor Structural engineer provision of a biomass boiler in Steelwork contractor the basement and duct routes M Hasson & Sons Ltd Sheetfabs (Nottm) Ltd Steelwork contractor for pellet deliveries. Offices and Main contractor Main contractor Unusual Rigging Ltd Conder Allslade Ltd classrooms are naturally venti- Wolfgang Buttress Client Garsington Opera Main contractor lated, and services are integrated Client through the webs of the deep Snell Associates’ design for a long span beams. Belfast City Council Client temporary opera pavilion that London Borough of Lewisham The lounge building’s distinc- A sunrise was the inspiration for could be packed up and stored at tive external cladding is a twin- Wolfgang Buttress’s 37.5m-high the end of the annual season has Gleaming copper cladding unites layered system comprising a ren- sculpture Rise, near Belfast City proved so successful that it has a variety of uses within the Dept- dered wall insulation system and Airport, intended to represent become a permanent fixture. ford Lounge development, which an external layer of tensioned peace between the Catholic and The 600-seat pavilion, for includes an academy primary cables supporting perforated n : M i ke Ho ba Protestant communities. & Sons to realise his design, and to fewer than 60 types, including Garsington Opera at Wormsley, school, a district library, artists’ copper sheets. To give a varied

“The location was a potential is delighted that the end result is a dish-like node with a variety of Buckinghamshire, was inspired Cr e di t studios, and roof-top ball court visual effect, and to control the interface between the two com- true to the vision of the original holes to cater for all interfaces. by traditional Japanese architec- Garsington’s steel structure and fabric roof are fully demountable. and playground, all within one degree of light in the classrooms, munities,” explains Buttress. maquette. The entire structure is powder- ture such as the Katsura Imperial three-floor building. this perforation varies across the “The council wanted a new sym- The design consists of two coated in brilliant white. Villa, and designed to sit lightly 4.8m-wide bay modules. A sin- systems were governed by the lo- The school component forms facade. bol for Belfast itself. It doesn’t concentric geodesic spheres sup- The judges praised Rise’s im- in the mature parkland setting gle layer of stressed PVC forms gistics of what could be lifted by an L-shape around an open court- The ball court, situated on have a back or front but looks the ported on a bed of steel “reed” pressive geometric form and pre- while providing a high quality the walls, which are shaped into crane and transported for storage yard, with the Deptford Lounge the top of the lounge building, is same from any side.” columns — a reference to the cision, and its complex assembly acoustic environment. The need curved sail-like forms to aid the in order to reduce both site wast- itself forming the third side. Stu- structurally isolated from the ad- The sculpture was also in- marshlands previously on the delivered on a busy site in the for both unobtrusiveness and venue’s acoustics. age and erection time. dios and flats on the far side of the jacent offices through the use of fluenced by the geodesic dome site. The smaller sphere is sus- middle of a major roundabout. demountability led to the design Each piece of the 145–tonne The judges praised the £3 mil- courtyard shield the school from double beams on the edges of the structures of Buckminster Fuller, pended within the larger 30m- Rise is the largest piece of solution of a fabric membrane steel structure, manufactured by lion pavilion as “delightful and the road and railway. After school ball court and a separated floor and is designed to look as if it’s diameter sphere by unobtrusive public art in Northern Ireland. It s h over a modular steel structure, Sheetfabs of Nottingham, was cost-effective”. They were partic- hours, the lounge will use large slab. floating despite its 53-tonne pre-tensioned galvanised wires. is illuminated by integral light- al with timber used for verandas, prefabricated in the factory, gal- ularly impressed with the ingen- sections of the school facilities for The judges praised the careful weight. More than 4,000 mild-steel tu- ing at the top of the reeds and has terraces and stage walls. vanised to provide a durable fin- ious membrane cladding. community use. design and attention to detail, in Buttress worked with struc- bular components were con- become a well-known landmark The structure for the 30m- ish, then numbered for assembly The pavilion was originally The mixed-use building pre- particular the acoustic and ther- : M i chael W tural engineer Price & Myers and nected with around 10,000 bolts. in the city since its completion wide pavilion is formed by a gal- or disassembly. The dimensions designed to last for a minimum sented considerable acoustic and mal isolations between the differ-

steelwork contractor M Hasson Components were standardised last year. Cr e di t vanised steel frame, arranged in of the roof and column truss of 15 years. logistical hurdles for the design ent space uses. team, compounded by the pres- “Accommodating all sorts of ence of two large Victorian sew- different uses on a big scale pre- ers beneath the site, which lim- sented a lot of challenges,” says ited building loads. judging panel chair David La- capital of St Helier, made it es- be a completely free standing into place around the process According to Pollard Tho- zenby. “They have produced a COMMENDATION sential that the large-scale En- environment.” engineering equipment, which mas Edwards associate director really interesting, flexible, excit- ergy from Waste Facility was The design expresses the had been installed beforehand David Graham, both this loading ing building.” Energy from aesthetically pleasing as well as structure externally beyond the because of its size and complex- highly functional. building envelope. “It makes ity. Waste Facility Hopkins wanted the building a feature of the structure by The coastal environment to have a “nobility of grandeur” putting the trusses and columns meant that the steelwork had La Collette, Jersey in the vein of the best indus- on the outside,” adds Shaw, to be coated in an epoxy protec- trial buildings. Its design con- The structural grid consists tive paint to minimise future Concept architect Hopkins Architects cept housed the bunker, boiler of six 36m-long main tubular maintenance requirements. hall and gas treatment area, as roof girders, tied together by Inclusion of a sprinkler system Executive architect EPR Architects well as the various incinera- four lines of 16m-long second- within the building removed Structural engineer tors and turbines, all under one ary trusses, all supported on the need for any additional fire Campbell Reith Hill LLP 3,000sq m, column-free struc- 37m-high columns at 16m in- protection to the steelwork. Steelwork contractor ture, which enclosed, but didn’t tervals. The two gable ends are The judges praised how the s. Bourne Steel Ltd touch, the process equipment. glazed with insulated panels design reduces the impact of Main contractor CSBC “The difficulty was the scale y cladding the long elevations. the potentially unsightly build- aep Oepke Client States of Jersey Transport and of it: 80m long and 35m high, One thousand tonnes of fab- ing within a boldly articulated with nothing inside to stabilise Hopkins’ design makes a ricated trusses and columns pavilion. Technical Services Department it,” says Will Shaw, project en- were brought to the island in The Energy from Waste Fa- : S imon K e nn d feature of the expressed J ogr aph by t Its prominent position, on a gineer of structural engineer structure. sections, and welded and paint- cility now provides up to 7% of

A double-propped cantilever creates headland close to the Jersey Campbell Reith Hill. “It had to Cr e di t ed on site before being lifted Jersey’s electricity. a “quiet” and lightweight solution. Ra m b o ll / ph

COMMENDATION double-propped cantilever struc- self is untreated renewable hard- The new bridge was COMMENDATION Borough High Street, with a Distinctive copper cladding unites the multi-use Deptford Lounge. ture, delivered a gentle gradient wood, fixed with a hidden clamp installed over just 128m-long approach viaduct to no steeper than 1:20. This avoid- system to bearers, which are then one weekend. the west and another 50m viaduct Jarrold ed the need for steps, instead bolted onto the steel structure. Borough High to the east. The complexity arose making the bridge fully accessible Inset fibreglass strips ensure from its sensitive conservation Bridge for all pedestrians and cyclists. slip resistance. The deck is en- Street Bridge site within Borough Market and Station in Nottinghamshire. Ramboll associate Stephen closed with a stainless-steel mesh its close proximity to busy roads COMMENDATION EDF’s in-house architects and Norwich James explains that the designers topped with a steel handrail. London and railways. The challenge was engineers designed the struc- considered a smaller arch struc- The 3m-wide bridge curves to construct the new crossing with West Burton tures, which have identical steel Architect Ramboll ture, but found the cantilever vertically and on plan. It is fixed Architect Jestico + Whiles minimum disruption. portal frames and 82m x 35m Structural engineer Ramboll could better accommodate the by concrete abutments at each Structural engineer Atkins Installation took just one Power Station footprints. The frames consist of clearances needed for both river end, and propped by two slen- weekend. Watson Steel built the 35m span roof trusses at 12.5m Steelwork contractor Steelwork contractor Watson Steel traffic and the riverside cycleway, der pin-jointed stainless-steel bridge on the actual viaduct it- centres, supported by plate girder SH Structures Ltd as well as fulfilling the practice’s columns, enabling it to act as Structures Ltd (Severfield-Rowen PLC) self, first constructing the western Architect EDF Energy columns to the elevations. Col- Main contractor RG Carter Ltd wish to create a bridge with a two mutually stabilising propped Main contractor Skanska Civil approach viaduct over Borough Structural engineer EDF Energy umns and trusses were too large Client Jarrold (St James) Ltd sculptural quality. cantilevers. Engineering Ltd Market. It then used this as a Steelwork contractor to transport so were delivered in The palette of materials was It took just two days to install Client Network Rail working platform for building the Fisher Engineering Ltd pieces and assembled on site be- Commissioned to design a bridge chosen to blend in with the ma- the structure over the river. Steel- main bridge, which it installed in (Severfield-Rowen PLC) fore being installed. over the river Wensum in Nor- ture landscape while avoiding ap- work contractor SH Structures “This whole project is the urban precast units. The judges commended the Main contractor Kier Construction Ltd wich, architect and structural plied finishes in order to reduce made the bridge in five sections, equivalent of open-heart surgery,” The main bridge’s trapezoi- project as “a good example of engineer Ramboll took the long maintenance requirements. The assembling them on site. says judge Bill Taylor of the Bor- dal girder was made in Watson’s Client EDF Energy practical and economical use of route, designing an 80m-long main structure was made from “You could hardly pick out the ough High Street Bridge in Lon- workshop, then transported in heavy steelwork”. structure to cross the 35m–wide weathering steel, which will de- join,” says judge Oliver Tyler. “I don, a rail crossing 10 years in the sections, and butt welded in a Three huge turbine halls rising to The power station is now op- span. velop a deep-brown oxidised thought it was very elegant and planning. temporary welding and painting a height of 32m were constructed erational, providing energy for This solution, achieved with a coating over time. The deck it- beautifully put together.” The bridge spans 70m over shop set up on the viaduct. for EDF’s West Burton Power 1.5 million homes.