dr. heinicke suggest that we're starting to making progress. i'll be happy to tell you what we're doing in the underground. the other indicators in terms of capital project delivery, no change yet to report, but our new control system that you supported the implementation of is fully implemented now in the capital division so we're getting much better data to manage our project. i've seen a lot of projects come in if not on time, certainly under budget. and are improving, i think, on time, on budget, on speck budget of our projects. property cost, no real change, although we did achieve the over time -- overtime reduction of 15 percent, but at the same time we're adding to operating cost by funding those maintenance oppositions that you authorize. which leads to the structural deficits. the main achievements will happen this year and next as you'll hear in the next item with the transportation task force on the capital side and on the operating side, the investments that you made or permitted in maintenance is closing that $70 million gap on th