Crack Sealing Program , Lake Zurich, IL

Hot-Mix Asphalt Crack Sealing in the locations determined and laid out by the OWNER. Contractor will be provided a list of addresses and or map of all the work locations with quantities. This work shall be done in accordance with Section 451, 452 regardless of the type of pavement, and Section 701, Traffic Control, of the IDOT Standard Specifications for Road and Bridge Construction, adopted April 1, 2016, and IDOT Supplemental Specifications and Recurring Special Provisions, adopted April 1, 2016. 451.03 Equipment The routing machine shall have a steel, circular cutting head with carbide tipped cutters mounted radially. The machine shall be capable of routing a uniform, square shape approximately 3/4 x 3/4 in. (20 x 20 mm) in either a straight or irregular line. The routing machine shall capture 90% of its own dust and fine debris, keeping airborne particles to a minimum. 451.04 General Primary transverse and longitudinal working cracks shall be routed, cleaned, and sealed. Any adjacent secondary cracks shall be only cleaned and sealed as directed by the Engineer. Cracks shall be routed following the crack as nearly as possible, approximately 3/4 in. (20 mm) wide by 3/4 in. (20 mm) deep as close to a 1:1 ratio as possible. Immediately ahead of sealer placement, dust and debris shall be captured with a machine capable of wind speeds greater than 200 MPH. Machine must be capable of blowing cracks and capturing 90% of dust and debris on a single pass. Compressed air only shall not be accepted. Use of water shall not be accepted. The hot-poured joint sealer shall be continuously and mechanically agitated during heating. The sealer shall be applied using the methods and equipment recommended by the manufacturer, except it shall only be placed when the air temperature in the shade is 40 F (5 C) or greater. Existing raised reflective pavement markers shall be protected during the crack sealing operations. Tracking of sealant material will not be allowed. If sealant materials are applied to the markers, such material shall be removed. Sealant shall be placed in the clean, dry crack. The crack shall be slightly overfilled and immediately squeegeed to provide a "band-aid" type effect approximately 2 in. (50 mm) wide, flush with the pavement surface, and with the edges feathered out. The sealant shall be allowed to cure before opening to traffic. When approved by the Engineer, the sealant may be dusted with fine sand, portland cement, or mineral filler to prevent tracking. 451.5 Method of Measurement This work will be measured for payment as follows. Crack Filling a. Filling of cracks will be measured for payment in pounds (kilograms) of sealant used. The quantity of sealant used will be determined by counting the containers of sealant used, multiplied by the indicated pounds (kilograms) of each container.