harry wanamaker worked for 3 straight days before passing away from cancer in 2010. >> janice dean remembers >> the rain has started. i'm trying to hold off the rest of the morning but it is appropriate this morning. >> my dad harry wanamaker was there for 37 years. the last 5 years of his career he served on this boat. >> reporter: tell me about this day, this is the only water source. >> he wasn't working that morning, he called each of my siblings and my mom and said came down voluntarily. we are under attack, i don't know, i will do my best to come home. >> reporter: i have heard so many stories where these guys were working that day, kissed their kids goodbye and came to lower manhattan and said this was what provided all the water for so many days. >> infrastructure all collapsed under the towers, there were no hydrants to provide water. after doing some rescue missions across new jersey near albany started providing water to the pile. >> you lost your dad from 9/11 related cancer. tell us what you are doing now. >> the boat was purchased six years ago and under restoration for four ye