With the new, completely updated 2015 RSMeans Plumbing Cost Data 2015, you can: Progress quickly through specs and takeoffs to prepare plumbing-related estimates - with confidence, authority, and accuracy. Use the nation?s foremost database of plumbing cost information to handle even the most complex projects. Prepare work schedules and estimate duration times with skill using the all-inclusive labor productivity data - labor hours by unit, crew output, and productivity.