The distributor sprayed the pavement 370 linear feet at the time prior to the placement of the Petromat 4599 fabric. The Petromat® was immediately placed in the hot coat to assure proper bonding. Petromat® was then installed using a tractor equipped with a front-end unit at the rate of about 11 rolls per hour. The brooms of the unit helped push the Ptromat® into the tack coat. The Petromat® was then rolled with rubber-tired rollers to enhance the bond between the Petromat® and the existing surface. The Petromat® was already bonded well to the surface, so the rolling was not necessary, but the contractor decided to do it anyway. When all of the eastbound Petromat® had been installed and rolled, the distributor truck then applied a topcoat of pure asphalt on the Petromat® at the rate of .36 gpsy. The chip spreader immediately followed the distributor. Again, the distributor did not get too far ahead of the chip spreader. The chips were a processed material. formed from a shale material then baked to form a .5-inch to .75-inch stone. The material was very consistent, with zero fines. The topcoat of chips was immediately rolled into the heavy asphalt tack, and then opened to traffic. The entire project took about five hours.