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																Mar 14, 2016 
															                                         
															                                        
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															  Tommy Gambardella is a master of New York’s construction universe. Each morning before dawn, he rides an elevator more than 50 stories up the side of a skyscraper growing on Manhattan’s West Side. Then, he steps out onto a narrow walkway with a drop-dead view of the city below and mounts some spiral steps																													
																																								  
																											









