Does the grinding process use real diamonds?
Yes, the grinding process actually uses real industrial diamond tipped saw blades to cut off a thin layer of pavement. Diamonds are the hardest substance on earth, so they can easily slice through concrete. About the contractor Who is the contractor? The contractor is Interstate Improvements from Minnesota. They were the lowest bidder. They have specialized grinding machines that, they say, can grind the road more quickly. Are there incentives in place to get the work done faster? There are no incentives in this contract other than the contractor wants to get in and get done so he can move to another state for more work. This contract runs through September. The contractor has a very aggressive schedule and hopes to be done by mid-summer if not earlier. Is the whole crew from Minnesota? No, there are only two people in Seattle from Interstate Improvements: one to manage the project and the other to manage the grinding machines. The rest of the crew was hired locally. Local jobs How man
