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NYC 9/11 Public Portal Document

OWI 8TS8Y REBUILDING

then later after arches were repaired, workers hooked up trolley motors for placement of the skylight system. Glass installation started in April on the west end of the garden and was completed by the end ofJuly. Turn­ er had four trolley rigs on the job, each measuring 12 ft deep, 25 ft wide and 10 ft in height. Thanks to a four- point suspension system, the rigs could follow the con­ tour of the roof. Each rig contained a platform that dropped out and a small derrick equipped with suction cups to maneuver each 400-lb UJiDSN:;, Winter light of glass. “We would load Garden damage was so the car in the morning and it severe (below) that would never come down until engineers thought It the day’s end,” says White. not salvageable and In When it was time to move a danger of total col- rig down the roofline to install lapse, threatening 51- another bay of skylight, work- stopy adjacent tower, ers would drop the rig onto the ground, roll it to the next bay, and hook it up to the next set of ti'olley beams. In the early months, the logistics of getting equipment, workers and materials to and from the site hampered progress. “The roadway.s were blocked,” says White, and the WTC work took precedence. f f iBK» as» Turner worked closely with the Port Authority of New York & New Jersey, which owns the WTC site, and the city’s Dept of Design and Construction, er example are the arch shoring towers. They helped support “to gain some space," says White. Using carpenters and labor­ the dance floor, along with the horseshoe truss. ers, Turner even helped the city build command posts. Turn­ Last but not least, the trolley system deserves the most bows er eventually found ways to get vehicles down West Street and in die reconstruction. The inspiration for the system is that “it over to the riverside promenade alongside the Winter Garden. took two years to glaze the roof the first time and we needed to For the redo, Turner called upon firms involved in the do it in four and a half months.” says , I original project, even the White. ' , . I quarry in Italy for the stone Crews from Atlantic-Heydt *;■< I flooring. Subs were hand- installed the 375 x 225-ft structure I picked and though most con- up and over the Winter Garden roof I ]] 3 Ml I tracts were not competitively last January. Beams spanning the I I bid, “we were not gouged,” roof to shoring towers on either side f I says Brookfield’s Kanner. were located slightly offset from | I “People were glad to have roof arches, which align with sky- I something like this to work I 2 light mullions. Beam flanges became the rail for the trolley rigs but the beams also * •> L .• 5 I’: re I on [and] were generous with I time and good will. It was a I crazy, creative group.” I supported damaged roof arches I By virtue of the Sept. 11 8 during their restoration. In an oper- ;*<i I anniversary reopening, the J ation that lasted from February I Winter Garden has moved from I I s fc through April, ironworkers from . the New York City office of C.anion Construction Co. hung an arch off a beam while they cut out damaged 'p3ss«S

., H I I die wings to center stage in the I public’s eye. ‘The Winter Gar- l den represents all [that] we I wish to embody in the de- g segntenSg hoisted them away using I velopment across the street,” 5 a 450-ton crawler crane and welded ■!!>IK I says architect Helfand, refer- I q in replacement sections. In areas of zero arch damage, and ft* 1 ’»< HorwMimMi (natnntiiim liH. I ring to Ground Zero proper. I And with its new front door, she 5 ’■'a 1.. I adds, “it is a demonstration that ilSSIW BIfilWM? ViewofWFC I we can put things back and 8 from the Hudson River Is minus make tliem better.” □ I the 110-story twin tower, One WTC. By Nadine M. Post

10 ENR/SEPTEMBER 9, 2002

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