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CITY OF EVERETT SPECIAL PROVISIONS <br /> <br />Beverly Lake Water Quality Retrofit Division 5 – SURFACE TREATMENTS August 2023 <br /> <br />AND PAVEMENTS <br />WO No. – UP3745 SP - 181 <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 />Contractor will not be required to cut cores in accordance with 5-05.3(7) of the Standard <br />Specifications. <br />Form transverse construction joints to match existing pavement transverse joints using <br />a suitable power driven concrete saw. <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 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 surface <br />of the existing concrete base; in no case shall the top of the concrete be higher than the <br />top of the existing concrete base. Brush finishing will not be required. Joints shall be <br />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 also <br />be painted with the tack coat. The HMA pavement shall then be placed, leveled, and <br />compacted to conform to the surface of the existing HMA. Immediately thereafter, all <br />joints between the new and original asphalt pavement shall be painted with CSS-1 <br />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 />5-06.3(4) HMA on Granular Base <br />After the Crushed Surfacing Top Course subgrade has been leveled and compacted, <br />HMA CL 1/2”, PG 64-22 shall be placed to a thickness of one inch greater than the <br />existing asphalt pavement depth or to a minimum of three inches, whichever is greater. <br />Asphalt shall be compacted to 92-percent of maximum density as determined by <br />WSDOT Test Method 705. <br />5-06.3(5) Untreated Roadway Surfaces <br />Existing crushed rock, gravel, and oil mat streets shall be restored with Crushed <br />Surfacing Top Course to a compacted depth of four inches within the neat lines of the <br />trench. Crushed surfacing shall be mixed, placed, spread and shaped in accordance <br />with the requirements of Section 4-04 of the Standard Specifications.