1500 1ST ST RAIL BARGE FACILITY 2018-01-01 MF Import

� � 1 aggregate will not be permitted. Rollers producing pickup, washboard, uneven 2 compaction of the surface, displacement of the mixture or other undesirable � 3 results will not be used. 4 5 5-04.3(5) Conditioning of Existing Surtace 6 When the surface of the Axisting pavement or old base is irregular, the � 7 Contractor shall bring it to a uniform grade a�d cros -section as shown on the 8 plans or approved by the Engineer. � 9 10 Freleveling of uneven or broken surfaces ever which HMA is to be n�aced may 11 be accomplished by using an asphalt pav�r, a motor patrol grad•s�, or by hand 12 raking, as approved by the Engineer. � 13 14 5-04.3(5)A Preparation of Existing Surfaces 15 Before construction oF HMA on an existing paved surface, the entire surface of � 16 the pavement shall be clean. All fatty asphalt patches, grease drippings, and 17 other objectionable matler shall be entirely removed from the existing 18 pavement. All pavements or bituminous surfaces shall be thoroughly cleaned � 19 of dust, soil, pavement grindings, and other foreign matter. All holes and small 20 depressions shall be filled wilh an appropriate class of HMA mix and the 21 surface of the patched area shall be leveled and compacted thoroughly. 1 22 23 A tack coat of asphalt shall be applied to all paved surfaces on which any 24 course of HMA is to be placed or abutted. Tack coat shall be uniformly applied � 25 to cover the existing pavement with a thin film of residual asphalt free of streaks 26 and bare spots. A heavy application of tack coat will be applied to all joints. 27 For roadways open to iraffic, the application of tack coat shall be limited to � 28 surfaces that will be paved during the same working shift. The spreading 29 equipment shall be equipped with a thermometer to indicate the temperature of 30 the tack coat material. 31 � 32 Equipment shall not operate on tacked surt3ces until the tack has broken and 33 cured. If the Contractor's operation dartiages the tack coat it shall be repaired 34 prior to placement of the HMA. ( 35 36 Unless otherwise approved by the Engineer, the tack coat shall be CSS-1, 37 CSS-1h, or STE-1 emulsified asphalt. The CSS-1 and CSS-1h emulsified r 38 asphalt may be diluted with water at a rate not to exceed one part water to one � 39 part emulsified asphalt. The emulsified asphalt shall not exceed the maximum 40 temperature recommended by the emulsified asplialt manufacturer. � 41 42 5-04.3(5)B Preparation of Untreated Roadway 43 When designated in ihe pians the existing roadway shall be prepare� and the � � 44 roadway primed as provided in Section 5-02.3(2)A, except that only one 45 applicalion of asphalt and one application of aggregate, which shall con(onn to 46 aggregate for HMA Class B as listed in Section 5-04.3(8) r,r other granular 47 materials approved by the Engir.eer, will be required. All c•ther provisions of � 48 Section 5-02 pertaining to bituminous surface treatment Claes A shall apply, ( 49 except as hereinafter modified. ( 50 1 Port of Everett FAWAT-03-039 Satellite RaItlBarge Transter Faclllty Final Port Reviuw DraR . Phase 7:Pier Construction 52 15 March 2005