Sand Hog News Today

Americas largest transportation construction project is going on here in new york city about it many all invisible. men and women are working 15 stories below one of the most densely packed urban areas on earth. they are nicknamed the sand hogs and they are building tunnels for a new train line. nice hard hat, rick. what do you know about the project? >> reporter: i was told i have to wear this. or i cant stay here anymore. if you are tired of all this fresh air and sunshine and you want to go d...

Time. you know, you take a look at the scope of the job, you know, the sheer size of it, um, you try and make sure that some of that changes before you go home at the end of the day. come on, dig in there. get mean with it. >> reporter: warfield wore a helmet camera to give us his view, spending nine hours a day without natural light, with air pumped in from above, clearing and building critical paths for sewers, steam, water and trains. its damp, cold, muddy and extremely loud. dynamite is used...

Know it was there unless you went looking for it. sand hogs are chiseling out the future of transportation in the city that just never sleeps. rick leventhal is working 9 to 5 in new york today, and there he is. hey, rick. >> reporter: jenna, sand hogs dug the footings for the brooklyn bridge 140 years ago, and theyve dug the footings for almost every other bridge in new york since then, and every single tunnel beneath our feet -- and believe me, there are a lot of them including the east side a...