Granite Construction Company 5/24/2017

Contractor shall immediately dispose of all other debris resulting from the planing operation in a Contractor-provided site off the right-of-way. Immediatelyafter grinding, the Contractor must construct an asphalt transition on all traveled ways, � g� p wheel chair ramps and exposed manholes, inlets, catch basins, monuments, valve boxes, and other ' structures on the street, regardless of depth in grinding. Asphalt transition must be removed prior to overlay. Cast iron structures left higher than 2" must be removed and steel plates installed to protect the opening and provide a suitable driving surface. After grinding, sweeping of roadway surfaces shall be immediate and must be overlayed within 72 hours. Sweeping of roadway surface is required prior to tack placement and paving. iSweepers following the grinding work will not be paid separately, and is incidental to bid item "Planing Bituminous Pavement(2"Deep)", per square yard. For mainline planing operations, the equipment shall have automatic controls, with sensors for either or both sides of the equipment. The controls shall be capable of sensing the proper grade from an outside reference line, or a mat-referencing device. The automatic controls shall also be capable of maintaining the desired transverse slope. The transverse slope controller shall be capable of maintaining the mandrel at the desired slope (expressed as a percentage) within plus or minus 0.1 percent. If, after planing a thin veneer layer remains, the contractor shall replace the roadway as directed by the ' Engineer, paid under "Additional Planing-Bituminous Pavement". Contractor shall adjust their schedule at no additional cost to the owner. Pre level course is not anticipated on any of the selected streets. If, however, after planing operations, driveability issues cannot be resolved with 2" overlay, prelevel will be required as directed and paid for by "HMA Class 1/2" PG 64-22", per ton. Contractor is strongly encouraged to bid this work to cover their cost of prelevel operations. Night Planing- Hewitt Avenue, Hardeson Road, Colby Ave, Lowell-Snohomish River Road,112th Street SE,41 Street,East Casino Road, Beverly Blvd and Kasch Park Road. The contractor shall plane Hewitt Avenue, Henderson Road, Colby Ave, Lowell-Snohomish River Road, 112th Street SE, 41st Street, East Casino Road, Beverly Blvd and Kasch Park Road at night as described in Section 1-08.0(2) of these Special Provisions. VACANT SECTION 5-04.3(18) OF THE STANDARD SPECIFICATIONS IS REPLACED BY THE FOLLOWING: 5-04.3 (18) HMA Night Paving ' The contractor is responsible for providing advance notice of night paving operations to transit and emergency response agencies at least 72 hours before beginning this work. Prior to release of this information, the City must be notified. Temporary paper joints (ramps) at take offs; tie-ins will be required as directed by the engineer. No additional compensation will be made to the Contractor. Include costs in other bid items. I SECTION 5-04.4 OF THE STANDARD SPECIFICATIONS IS REPLACED BY THE ' FOLLOWING: HOT MIX ASPHALT OVERLAY 2017 PAGE 2 OF 3 MARCH 2017 WORK ORDER# PW 3642 DIVISION 5