The Fifth Desk · Evaluation
Act I · The Map
Jun Xia (Gensler) · a supertall tower of offices, a hotel and observation floors, scored as the one building in Lujiazui with its twisting double skin: the inner tower, the outer skin that turns and tapers round it, the atria held between the two skins, the crown, and the podium at its base with its lobbies and shops · an inner tower of circular floors round a concrete core, carried with mega-columns joined to the core by outriggers and wrapped by belt trusses at the mechanical floors; nine zones stacked on the podium, each beginning at a mechanical and refuge floor, with an atrium between the skins at its foot; an outer curtain wall of glass on a rounded-triangle plan with a notch, turning about 120 degrees over the height and tapering as it rises, hung from the mechanical floors on rings of horizontal steel struts · 632 m to the top, the tallest building in China and, at its completion, the second tallest in the world · Lujiazui, Pudong, Shanghai, across the Huangpu from the Bund · competition won in 2008; begun late in 2008, topped out in 2013, completed in 2015 · Gensler, with Jun Xia as design principal, and Thornton Tomasetti as structural engineer, for a development company formed by Shanghai state-owned enterprises · as it stands, whole as built: nothing lost, replaced, relocated or rebuilt
Mode
The supertall as the head of a planned skyline; offices, a hotel and observation floors stacked in nine zones inside a second, turning skin
Mythos
The ascending spiral; the tower as axis between earth and sky, after the pagoda, the minaret and Babel; the third and highest of a rising sequence
Phase
Pudong opened 1990; Jin Mao Tower 1999; Shanghai World Financial Center 2008; competition and ground broken 2008; topped out 2013; completed 2015; about eleven years in use at this reading
Presentation
A circular inner tower on a core, mega-columns, outriggers and belt trusses; a hung outer skin of glass, notched, rotating about 120 degrees and tapering to 632 m; atria between the skins at the foot of each zone; a crown; a podium
Register
Cool, impersonal grandeur; the sublime of height, sometimes dreadful in fog; seen from the Bund as one turning line
Scale
One tower completing a trio and a planned district; the state, capital, the city and the wind joined in one figure
Governing Proposition
In 1990 the state opened Pudong, the farmland across the Huangpu from the old foreign Bund, and the district it planned there was to be headed by three towers rising in sequence. The third and tallest completes the sentence. The wager of the building is that a supertall can be both a sign and a city: a form turned and tapered against the wind, so that the engineering is the image, and a second skin standing free round the whole height, holding a garden in the sky at the foot of each of nine zones.
Act II · The Essay
Movement I
In 1990 the state opened Pudong as a development zone: the flat farmland on the east bank of the Huangpu, across the river from the old foreign Bund. At Lujiazui a financial district was planned, and its head was to be three towers standing together and rising in sequence. The first was the Jin Mao Tower by Skidmore, Owings and Merrill, finished in 1999; the second the Shanghai World Financial Center by Kohn Pedersen Fox, finished in 2008.
In 2008 Gensler won the competition for the third, with Jun Xia as design principal and Thornton Tomasetti as structural engineer. The client was a development company formed by Shanghai state-owned enterprises. Construction began late in 2008, the tower topped out in 2013, and it was completed in 2015, at 632 m to the top: the tallest building in China and, when it was finished, the second tallest in the world. It is about eleven years old.
Seen from the Bund the three read as a sentence: Jin Mao’s tiered pagoda, the World Financial Center’s sliced blade, and the spiral rising past both, the third word its loudest. The work scored is the Shanghai Tower alone, as one building: the inner tower, the outer skin that turns round it, the atria between them, the crown and the podium. The two neighbours, the Bund and the district are context. They are nonetheless what the tower was built to complete, and the height is the sentence’s, not the floor space’s.
Movement II
The outer skin is a curtain wall of glass on a rounded-triangle plan with a notch at one corner. As it rises it turns, about 120 degrees over the whole height, a third of a turn, and it tapers, so that every floor of the skin is the same figure turned and made smaller. The rotation and the taper were tuned in the wind tunnel, because wind is the dominant load on a building of this height in a region of typhoons, and a form that turns as it climbs lets the air slip round it. Take away the twist and the tower needs more steel. The twist is both the engineering and the image.
That law carries from the broad, nearly closed foot of the skin round the podium to the crown, where the notched spiral opens into a thin rising frame, and the notch reads it from every side. From the Bund the tower rises past its neighbours as a single turning line, the notch spiralling up its face, the crown often lost in cloud; at night and in haze it is the tallest presence in a city of towers. The register is grandeur, cool and impersonal, and in fog it can be dreadful. Once seen, the turning silhouette repeats, and the elevation belongs to the height as much as to the form.
The twist was not new. The Turning Torso at Malmö had turned a tower in 2005, the Cayan Tower in Dubai did so again, and the Burj Khalifa (7.8) had already shaped its setbacks to confuse the wind. What the Shanghai Tower did was to make the wind’s answer the figure of a supertall at the largest scale, and to make it a figure that changes the skyline it ends: from a pagoda through a sliced prism to a spiral. The stake, in engineering and in money on soft ground at 632 m, was real. The turn was of scale and synthesis, not of kind.
Movement III
Inside the turning skin stands a second building. The inner tower is a cylinder of circular floors round a concrete core, carried by the core with mega-columns joined to it by outriggers and wrapped by belt trusses at the mechanical floors. The two are separate enclosures. The outer skin is hung from the mechanical floors on rings of horizontal steel struts and held laterally from the inner tower, and it is allowed to move against it: a doubly curved, rotating envelope suspended a floor at a time, a hard problem solved at a scale not attempted before.
The tower is stacked in nine zones on its podium, each of roughly twelve to fifteen floors, each beginning at a mechanical and refuge floor that carries a belt truss. At the foot of each zone the gap between the skins becomes an atrium, a garden in the sky, its glass rising through a dozen floors with the city falling away beyond. The idea is the supertall as a vertical city: each zone a neighbourhood with a public room, a sky lobby where people change lifts and meet. The sky garden held in a tower’s section had been built at Frankfurt by Foster in the Commerzbank of 1997; here it is carried round a whole tower, nine times.
As proposed, the atria change how a supertall is lived. As used, they are known chiefly as views, and by report thinly used; the office floors behind them are ring floors round a core, as in any tower, fitted to a commercial standard. The skin is the building’s signature and its largest unforced choice, and the gap it makes is in part residual space. The inner tower obeys its own physics, a cylinder on a frame, and stands inside the spiral as another building. The form knows the wind and the city more than the life within.
Movement IV
The tallest building in China stands on the silt of the Huangpu delta, the soft, wet alluvial soil of what was farmland in 1990. On it the core, the mega-frame, the outriggers and the belt trusses carry 632 m of building, and the skin that hangs from them was tuned in the wind tunnel and engineered to move. The command is of a high order and it is load-bearing: the twist is the wind’s solution and the figure at once, and the building could not stand as it does without that engineering.
The costs are as plain. The hardest system, the hung skin, is a secondary envelope standing off the building, not structure expressed. The interiors are commercial and fitted rather than made. And much of the achievement is the command of an industry over a type it had mastered from Chicago to Dubai, more than this building’s invention. The Made at 8.5 is the highest figure on the page, a tenth below the same axis at Walt Disney Concert Hall (7.8), a making of comparable novelty, and three tenths below it at the Burj Khalifa, where the shape is the structure.
The tower’s reach in its field is real and limited. It showed that a full, free-standing second skin with atria could be carried round a supertall and that a form shaped by the wind could be a tower’s figure; it set a technical standard for Chinese supertall construction and was built by Chinese contractors to that standard; and the supertalls built in China in the decade after take it as a reference. The double skin with atria has not become the type, and eleven years is short for reach to show. It has been studied chiefly as engineering, and the questions asked of it are mostly how it was made and what it cost.
Movement V
The building states one thing plainly: that by the 2010s the Chinese state and its enterprises could build at the extreme of the art in their own city, on their own soil, and set it at the head of a skyline planned on farmland across the river from the old foreign Bund. That disclosure holds. The second disclosure it intends, the vertical city, is proposed more than shown. The tower was built to the state’s measure of the city’s future, and reports of low occupancy in the years after it opened make it a case in the argument over the supertall and its vacancy. The height is required by the skyline and the trio; the floors were not required by a demand for space.
Its survival is whole and short. The tower, the skin, the atria and the crown stand as built, with no additions of consequence and no failure of consequence on the record, in continuous use. It has not outlived the conditions that made it: it stands within them, a building of the late boom in Chinese supertall construction, its surface the glass of its decade. The section joins the city, the state and the weather in one figure. The household, the sacred, the body beyond the lift and the view, death, and the labour that built it are absent or thin, and The Encompassed at 6.6 is its lowest figure.
What holds it in Tier III is plain. Its necessity stops at the skyline: the height and the double skin are chosen, not compelled. Its swerve joins things proven elsewhere; its myth is climbed by lift; its record is short and mostly of engineering; and what it discloses is power and the mood of height more than a condition of life. It stands below the supertalls nearest it in date, type and region on every axis: the Burj Khalifa (7.8), the swerve and the reach it followed, and CCTV Headquarters (7.9), a real departure in form and use; and below the Petronas Towers (7.8) on all but The Made. It stands level with The Gates (7.4) on another desk, a public spectacle of scale in a city, above the Dancing House (7.3), and below the Atomium (7.5), with its longer survival and more built myth. The Shanghai Tower stands at 7.4: a command of engineering of a high order, turned into the figure that ends a skyline, around floors and gardens that have yet to show the life they were built for.
Act III · The Twelve
Judged on purpose, structure and site, and much is compelled. The twist and the taper are required by the wind, the dominant load at this height in a region of typhoons; the core and mega-frame are required by the height; the mechanical floors every dozen or so storeys are required by the lifts, the services and the hung skin; the circular inner plan is the efficient section for so slender a tower. Take away the twist and the tower needs more steel. The subtractive test then finds what is not compelled. The height is required by the skyline and the trio, not by a demand for floor space. The atria take a large share of the enclosed volume for an idea of the tower, and the double skin is its largest unforced choice.
Score: 7.3 / 10
What can be stated, and holds. The building states one thing plainly: that by the 2010s the Chinese state and its enterprises could build at the extreme of the art in their own city, on their own soil, and set the result at the head of a skyline planned twenty years before on farmland across the river from the old foreign Bund. That is a disclosure of power and of a nation’s place in its century, and it holds. It means also to disclose a way of living, the supertall as a stack of vertical neighbourhoods, each with its garden in the sky; that is proposed more than shown. The atria are known chiefly as views. What holds the axis is how much is the mood of height and ascent rather than a condition of life.
Score: 7.0 / 10
Elevation is real and comes often, and it is of one kind: height. From the Bund the tower rises past its two neighbours in a single turning line, the notch spiralling up its face, the crown often lost in cloud; at night and in haze it is the tallest presence in a city of towers. In the atria glass rises through a dozen floors with the city falling away beyond, and the observation floors look down onto Jin Mao and the World Financial Center, a vertigo not forgotten. The register is grandeur, cool and impersonal, sometimes dreadful in fog. What holds the axis: the elevation belongs to the height more than to the form; the offices and lobbies do not rise; and the turning silhouette, once seen, repeats.
Score: 7.9 / 10
The archetype built into the form is the ascending spiral. The skin turns as it climbs, and the visitor rises through nine zones, each beginning in a garden, toward a lookout at the top. The tower as axis between earth and sky is old, in the pagoda, the minaret and Babel, and here the spiral is not ornament but the geometry of the enclosure, so that the myth is built in elevation; the trio was planned as a rising sequence, and this is its culmination. What holds the axis: the climb is made by lift and not lived as ascent; the gardens are a repeated module, not stations of a passage; the dragon read into the curve is attached from outside; and the myth is legible as a figure on the skyline more than as a place.
Score: 7.2 / 10
The inheritance: the American supertall carried from Chicago to Dubai, where the setbacks of the Burj Khalifa were shaped to confuse the wind; the twisting tower, already built at Malmö in the Turning Torso of 2005 and in Dubai in the Cayan Tower; the sky garden held in a tower’s section, built at Frankfurt by Foster in the Commerzbank of 1997; the double-skin facade of European office buildings; and the two neighbours on the same ground. The departure is to join these at the largest scale: a full second skin standing free of the tower round its whole height, twisting and hung, with atria in the gap, and the wind’s answer made the figure. The stake was real, in engineering and money on soft ground at 632 m. Each element was proven elsewhere: the turn is of scale and synthesis, not of kind.
Score: 7.4 / 10
Would a different form change what the building knows? Outside, yes. A straight prism at this height would lose the tower’s answer to the wind and its place in the trio, which turns from Jin Mao’s tiered pagoda through the World Financial Center’s sliced prism to a spiral. The twist is how the tower knows its weather. Inside, the double skin makes the atria, and the atria are meant to make each zone a neighbourhood with a public room, a sky lobby where one changes lifts and meets others: a real change in how a supertall is lived, where it works. But the office floors are ring floors round a core as in any tower, the atria are thinly used by report, and the skin is a second building standing off the first. The form knows the wind and the city more than the life within.
Score: 7.4 / 10
Evidence over promise, over about eleven years, and the record is short and specialised. The tower has been examined chiefly as engineering: the hung skin, the wind-tunnel testing of the twist, the foundation on soft soil, the lifts, the claims made for its environmental performance. It has been read as the culmination of Lujiazui, as a case in the argument over supertall towers and their vacancy, and as an emblem of state capital in China. The object gives somewhat more on return than its silhouette: the gap between the skins, the stacked zones, the relation to its neighbours. But the questions asked of it are mostly how it was made and what it cost, and the form, once read, gives the same thing again. Here a new work can only be forecast.
Score: 6.8 / 10
The field is the supertall tower in China and in Asia in the twenty-first century, with the international supertall as context. The intrinsic force is moderate to considerable: the tower showed that a full, free-standing second skin with atria could be carried round a supertall, and that a form shaped by the wind could be a building’s figure; it set a technical standard for Chinese supertall construction and was built by Chinese contractors to it. Achieved reach is scored with intrinsic force: real and limited. It is a reference for the supertall built in China in the decade after and for wind shaping as form, a line opened by the Burj Khalifa; the double skin with atria has not become the type. Eleven years is short for reach to show.
Score: 7.2 / 10
Weighed on form, then use, then fabric, over about eleven years. The form is whole: the tower, the skin, the atria and the crown stand as built, with no later additions of consequence. It has not outlived the conditions that produced it; it stands within them, a building of the late boom in Chinese supertall construction, its surface the glass of its decade. The use is continuous, and charged by reports of low occupancy in the years after opening. The fabric shows no failure of consequence on the record, and its condition is not stated beyond that. Presence is wide, and presence earns little. What holds the axis is age: about a decade of survival, against thirty years for the Dancing House and twenty-three for Walt Disney Concert Hall.
Score: 7.7 / 10
Judged as command of building, structure and engineering included, to the same anchors as every medium. The command is of a high order and load-bearing. The tower stands at 632 m on the soft, wet soil of Pudong; the core, outriggers and mega-frame carry it; the twist and taper were tuned in the wind tunnel to reduce the load; the outer skin, a doubly curved and rotating envelope, is hung from each mechanical floor on rings of struts and allowed to move against the inner tower, a hard problem solved at a scale not attempted before. The costs: the skin is a secondary system standing off the building, not structure expressed; the gap it makes is partly residual space; the interiors are fitted to a commercial standard; and much of the achievement is the industry’s command of the type.
Score: 8.5 / 10
Take the two most distant elements: the foot of the skin, broad and nearly closed round the podium, and the crown, where the notched spiral opens into a thin, rising frame. One law governs both: a rounded-triangle section rotated and diminished at a constant rate, so that every floor of the skin is the same figure turned and shrunk. The law carries up the whole height and round every face, and the notch reads it from every side; the zones and their atria follow a second, regular law, a module repeated at a constant interval. What bends it: the inner tower obeys a third physics, a cylinder on a frame, and stands inside the spiral as another building; the podium meets the ground less surely than the shaft meets the sky; the interiors answer to the office floor.
Score: 7.6 / 10
Orders held: the state and its enterprises, as client and as meaning; capital and commerce, in the offices and the hotel; the city, as the head of its skyline and the end of a plan; history, in the tower’s place across the river from the Bund and its standing as an emblem of a nation’s century; the natural order, in a form shaped by the wind and gardens set in the sky; and the working lives of thousands, stacked in zones. The section joins city, state and weather in one figure, and that joining is achieved. What holds the axis lowest of the twelve is what is absent or thin: the household, the sacred, the body beyond the lift and the view, death, and the labour that built it. The figure describes the form.
Score: 6.6 / 10
Act IV · The Reckoning
7.4 / 10 · Final Average
Placement: Tier III · Major
Strongest Dimensions
The Made at 8.5, then The Sublime at 7.9, The Imperishable at 7.7 and The Inner Law at 7.6. A tower of 632 m on soft ground, carried by core, outriggers and mega-frame, its turning skin hung a floor at a time and tuned against the wind; a single turning line rising past its neighbours from the Bund, the crown lost in cloud; a form whole as built and in continuous use; and one law, a notched figure turned and diminished at a constant rate, carried from the podium to the crown.
Limiting Dimension
The Encompassed at 6.6: city, state, capital and weather joined in one figure, and the household, the sacred, the body, death and the labour that built it absent or thin. Next above it, The Bottomless Well at 6.8 and The Unconcealment at 7.0: a short record given mostly to how the tower was made and what it cost, and a form that discloses power and the mood of height more than a condition of life. Then Pressure on Tradition and The Archetypal Deep at 7.2: a reach real and limited, and a spiral built in elevation but climbed by lift. These hold it below Tier IV: an engineering of a high order serving a sign more than a life.
The Necessity Cap is unmet: The Inevitable at 7.3 falls two tenths short of the threshold of 7.5. The Coherence Floor clears: The Living Form at 7.4, The Made at 8.5, The Inner Law at 7.6, each against 7.0. The Epochal Gate is unmet on all five: The Imperishable at 7.7, The Swerve at 7.4, The Archetypal Deep at 7.2, Pressure on Tradition at 7.2 and The Unconcealment at 7.0 each fall short of the bar of 8.5. The Universal Minimum is unmet at The Bottomless Well, 6.8, below 7.5, and at The Unconcealment, 7.0, The Archetypal Deep, 7.2, Pressure on Tradition, 7.2, The Inevitable, 7.3, The Swerve, 7.4, and The Living Form, 7.4; The Encompassed, which it exempts, clears its own floor of 6.0 at 6.6. Two of the five summit conditions are met, the Coherence Floor and the Megethos Floor. The work stands where its aggregate places it: 7.4, in the band of Tier III, short of the 8.0 at which Tier IV begins and of the 9.0 that the summit requires.
Basis · a reading from knowledge of the Shanghai Tower as it stands in October 2026, its scheme, form, structural and skin systems and setting known well, its interiors as used moderately, and its occupancy, maintenance and the condition of its fabric thinly. No plan, measured drawing, image or written source was consulted. The unit scored is the one building in Lujiazui with its twisting double skin: the inner tower, with its concrete core, mega-columns, outrigger and belt-truss floors and its stacked office, hotel and observation zones; the outer skin of glass that turns and tapers round it; the atria held between the two skins at the foot of each zone; the crown; and the podium at its base with its lobbies and shops. Nothing has been lost, replaced, relocated or rebuilt: the tower stands whole as built, completed in 2015, and its fit-outs since are part of the one work. The Jin Mao Tower, the Shanghai World Financial Center, the Bund across the Huangpu and the Pudong development zone are context and are not scored. The design is credited to Gensler, with Jun Xia as design principal, and to Thornton Tomasetti as structural engineer; collaboration is not charged. Nothing is quoted: no inscription or statement on the building is held word for word, and “sky garden” and “sky lobby” are given as names. The low occupancy of the years after opening is given as reported and is not quantified. Facts that could not be verified are not given, among them the role of the local design institute, the dispute over the authorship of the competition scheme, the number of storeys and basements, the floor areas, the height and floor of the highest public deck, the date the hotel opened, the published figure for the reduction in wind load, the number of glass panels, the mass and working of the damper near the top, the form of the foundation, its thickness and the time taken to pour it, the speed and maker of the lifts, the environmental ratings and the wind turbines at the crown, any national rule on towers of its height, the tower’s present rank in height, and the dragon and other readings attached to its curve, which are not credited.