Specifications include, but are not limited to: SURFACING AREAS The Department estimates the mainline surfacing width to be 21 feet. The Department estimates the total mainline area to be surfaced to be 57,340 square yards. The Department estimates the shoulder width to be 1.5 feet on each side. The Department estimates the total shoulder area to be surfaced to be 7,447 square yards. ASPHALT MIXTURE Unless otherwise noted, the Department estimates the rate of application for all asphalt mixtures to be 110 lbs/sy per inch of depth. INCIDENTAL SURFACING The Department has included in the quantities of asphalt mixtures established in the proposal estimated quantities required for resurfacing or surfacing mailbox turnouts, farm field entrances, residential and commercial entrances, curve widening, ramp gores and tapers, and road and street approaches, as applicable. Pave these areas to the limits as shown on Standard Drawing RPM-110-06 or as directed by the Engineer. In the event signal detectors are present in the intersecting streets or roads, pave the crossroads to the right of way limit or back of the signal detector, whichever is the farthest back of the mainline. Surface or resurface these areas as directed by the Engineer. The Department will not measure placing and compacting for separate payment but shall be incidental to the Contract unit price for the asphalt mixtures.