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I <br /> CITY OF EVERETT SPECIAL PROVISIONS <br /> ' Before the pavement patch is to be constructed saw cut the pavement so that the <br /> marginal edges of the patch will form a rectangular shape with straight edges and <br /> vertical faces. <br /> Provide signs, barricades, lights and other warning devices in accordance with the <br /> requirements of the "Manual on Uniform Traffic Control Devices" and they maintain 24- <br /> hours a day until the patching work is completed and ready for traffic. <br /> Complete subgrade compaction prior to the required patching. Compact subgrade to <br /> ' 95-percent as determined by the ASTM D2922 (nuclear method). <br /> 5-06.3(2) Cement Concrete Pavement Patch <br /> Place cement concrete pavement in accordance with 5-05.3 of the Standard <br /> Specifications and these Special Provisions after the Crushed Surfacing Top Course <br /> subgrade for the pavement has been constructed and compacted to line and grade. <br /> Perform all Work accordance with Section 5-05 of the Standard Specifications, except <br /> as modified by these Special Provisions and Standard Drawing No. 326. <br /> Hand screeding and float finishing of cement concrete pavement patch is allowable. <br /> 1 Contractor will not be required to cut cores in accordance with 5-05.3(7) of the <br /> Standard Specifications. <br /> Form transverse construction joints to match existing pavement transverse joints using <br /> a suitable power driven concrete saw. <br /> U <br /> Place cement concrete pavement directly against the bare sawcut vertical face of the <br /> adjacent concrete pavement. <br /> Finish surface using broom in direction perpendicular to the centerline with a fiber <br /> brush. <br /> Date stamping pavement will not be required. <br /> Cure cement concrete pavement in accordance with 5-05.3(13) of the Standard <br /> Specifications. <br /> Cement concrete pavement will be measured and paid for by the square yard of <br /> completed pavement patch. <br /> 5-06.3(3) Cement Concrete Pavement Resurfaced with HMA <br /> Patch streets having cement concrete pavements surfaced with HMA as shown on <br /> Standard Drawing No. 326. <br /> The thickness shall be one inch thicker than the existing concrete base or six inch, <br /> whichever is greater. The top surface of the concrete patch shall match the top <br /> surface of the existing concrete base; in no case shall the top of the concrete be higher <br /> than the top of the existing concrete base. Brush finishing will not be required. Joints <br /> shall be placed to match existing or as directed by the Engineer. <br /> HMA plant mix shall not be placed until three days after the cement concrete base has <br /> been placed or otherwise permitted by the Engineer. The HMA plant mix shall not be <br /> placed until the concrete base has received a tack coat of CRS-2 at a rate of 0.12 to <br /> 0.20-gallons per square yard. The edges of the existing asphalt and castings shall <br /> also be painted with the tack coat. The HMA pavement shall then be placed, leveled, <br /> and compacted to conform to the surface of the existing HMA. Immediately thereafter, <br /> all joints between the new and original asphalt pavement shall be painted with CSS-1 <br /> 1 asphalt emulsion and covered with dry sand before the asphalt solidifies. <br /> Asphalt shall be compacted to 92-percent of maximum density as determined by <br /> WSDOT Test Method 705. <br /> Water Main Replacement"V" Division 5—SURFACE TREATMENTS April,2021 <br /> WO No.—UP3730 AND PAVEMENTS <br /> SP-167 <br /> 1 <br />