Building New York's 21st Century Superscraper

Oh [Music] with more super tall skyscrapers currently under construction than were built in the entirety of the previous century New York City's skyline is changing like never before while the iconic Empire State and Chrysler buildings have dominated Midtown since the 1930s one of the largest buildings New York has ever known is about to join them on the skyline first conceived as far back as the early 2000s the developers of one Vanderbilt's began purchasing buildings adjacent to Grand Central Station with plans to construct a major new of his tower on the block bound by Vanderbilt and Madison Avenue's and by 42nd and 43rd streets [Music] having been postponed by the onset of the global financial crisis in 2008 plans for commercial skyscraper one thousand three hundred square meters of redeveloped pedestrian space along Vanderbilt Avenue and substantial improvements to the Grand Central Terminal transit network were first unveiled in 2014 designed as a modern take on New York's famous tapering skyscrapers one Vanderbilt carefully responds to its surrounding context while respectfully paying homage to the skyline that it joins while many of New York City's historic skyscrapers tapered through setbacks that allowed natural light to reach street level one Vanderbilt streamlines this concept with tapering sheer walls that rise as for uninterrupted forms these elements Col mate in a breathtaking summit rising 427 meters above street level the tower will stand taller than both the nearby Chrysler Building and the Empire State and upon its completion will contain one of the city's highest outdoor observation decks one Vanderbilt achieves its height by purchasing air rights from a number of surrounding properties and effectively stacking them onto its site despite the building's Heights the tower will contain just 58 habitable floors far fewer than other skyscrapers that are comparable in size this is due to substantially high Story Heights throughout the structure which range from four point five to six point one meters considerably above average rising directly alongside one of the city's most historic and well-known landmarks the base of one Vanderbilt has been carefully designed to improve pedestrian access around Grand Central Station while nodding to the terminals heritage the new skyscrapers base is formed from a series of angled cuts that create a visual procession from the tower to the station's grand facade while a striking sloping ceiling rises 32 metres above street level opening sight lines to the terminal in addition the glass and terracotta materials employed across the towers facade hark back to those used during the early 1900's where the station was first constructed significantly New York's Metropolitan Transit Authority required developers to undertake major improvements around Grand Central Terminal as part of their projects from pedestrian izing Vanderbilt Avenue between 42nd and 43rd streets to improving links between the subway and rail networks and allowing for the construction of the Long Island Rail road's East Side access projects one Vanderbilt construction will ultimately enable a further 65,000 commuters to use the station each day at a cost of two hundred and twenty million u.s. dollars these improvements are by far the largest private contribution to New York transit system to date with demolition of the existing structures in the site commencing in 2015 works to excavate down by 15 meters and remove some 46,000 cubic meters of material began in February 2017 constructing a major new skyscraper on a relatively small site in the middle of one of the world's most densely occupied cities is far from easy and the challenges of the gist explain a key role in how the Tower was built conventionally the multiple concrete pours needed to construct one Vanderbilt's foundation mat would have taken place over a number of days causing congestion and disruption in the surrounding area over an extended period of time to avoid this the project team coordinated a single continuous pour using four concrete pumps and 420 concrete trucks over a condensed and highly intensive 18-hour period an activity that the building's developer claims was the largest concrete pour in New York's history with foundations in place the tower was still framed began to rise reaching ground level in October 2017 and moving ahead of schedule to reach the ninth storey level by February 2018 [Music] unlike the construction of most skyscrapers where the concrete core Rises ahead of the building's perimeter structure one Vanderbilt steel frame and floor plates in fact progress first a common building technique in New York City that has its roots in how different trades used to interact on sites however forming the towers core after the steel frame had been erected created further logistical challenges with the cause formwork needing to be small enough to navigate through the steel structure to the cores location after careful planning and with approvals in place from city authorities formwork systems manufacturer Perry delivered one Vanderbilt's core forming system under the cover of darkness to avoid disruption with the initial core walls Port Perry's ACS core 400 form work system was maneuvered through one Vanderbilt steel frame and installed Perry's system creates a safe environment for though is working on the core and has the ability to self climb the structure as it rises avoiding the need to schedule time with the projects cranes which are always in high demand on skyscraper sites as each story of the core is completed Perry's innovative climbing sequence transfers the load of the formwork system from the upper working brackets shown here in red to the lower climbing brackets shown in yellow hydraulic jacks shown in green then push the entire system up to the next level the red working brackets are secured to embedded anchors in the next pour and the load of the core system is transferred back to the red brackets then the yellow climbing brackets are released and the hydraulic jacks bring the lower deck up to join the rest of the core system this sequence is repeated to the very top of the tower once completed the core system is dismantled and lowered down the structure by cranes either externally or through empty lift shafts the cranes themselves are eventually removed by other cranes or self disassembled one Vanderbilt's taper mean that several elevator and service shafts thin the core do not extend the full height of the building parry system is designed to be easily reconfigured as it rises reflecting this element of the core design mindful of the environmental impact that urban development can have developers and engineers have gone to considerable lengths to ensure that one Vanderbilt is at the forefront of sustainability both in terms of design and construction delivery despite the scheme requiring an extensive amount of demolition works prior to construction the project team sought to recycle 75% of demolition waste and used an extensive tracking system to identify locally sourced materials minimizing transport emissions additionally the steel rebar used in the tower consists of 90 percent recycled content a significant step up from the standard 60% and the use of industrial byproducts such as recycled slag and fly ash in one Vanderbilt's concrete mix helps to further reduce the structures impacts [Music] internally the tower features a 1.2 megawatt co gen system that contributes to heating and cooling requirements while floor-to-ceiling windows and column free floor plates maximize natural lights reducing the extent of artificial lighting needed during the day the development also features a 22,000 litre rain water recycling system and ultra-high efficiency fixtures producing the towers water consumption by a remarkable 40 percent together these systems put the skyscraper on track to achieve both a LEED Gold and well certification when it completes in 2020 at a cost of three billion US dollars and nearly two decades our trip is first conceived one Vanderbilt is now beginning to make its mark on the world's most famous skyline a highly impressive scheme that blends heritage with sustainable design and engineering ingenuity to prove this city's continuing expertise in skyscraper construction [Music] if you enjoyed this video and would like to get more from the definitive video channel for construction subscribe to the b1m [Music] [Applause] you

Channel: The B1M

Views: 878,047

Rating: 4.9272556 out of 5

Keywords: B1M, TheB1M, Construction, architecture, engineering, One Vanderbilt, vanderbilt, fred mills, the rise and rise of new york's billionaire's row, 111W57, 53W53, 432 Park Avenue, empire state, manhattan, brooklyn, midtown, skyscrapers that will redefine new york, PERI Formwork, Doka Formwork, jump core, how to build a skyscraper, skyscraper construction, concrete core tower, pouring a concrete core, 1 Vanderbilt, Central Park Tower, 125 Greenwich

Id: teMXRIXrYpE

Length: 11min 7sec (667 seconds)

Published: Wed Jul 24 2019