Ariston Pacific, Inc. 5/9/2016 - Laserfiche WebLink

1 1 If the surface left by the finishing machine is porous, rough, or has minor irregularities, 2 the Contractor shall float the surface of the concrete. Floating shall leave a smooth and I 3 even surface. Float finishing shall be kept to the minimum number of passes necessary 4 to seal the surface. The floats shall be at least 4-feet long. Each transverse pass of the 5 float shall overlap the previous pass by at least half the length of the float. The first 6 floating shall be at right angles to the strike-off. The second floating shall be at right I 7 angles to the centerline of the span. A smooth riding surface shall be maintained across 8 construction joints. 9 10 The edge of completed roadway slabs at expansion joints and compression seals shall 11 have a 3/8-inch radius. 12 I 13 After floating, but while the concrete remains plastic, the Contractor shall test the entire 14 deck/slab for flatness (allowing for crown, camber, and vertical curvature). The testing 15 shall be done with a 10-foot straightedge held on the surface.The straightedge shall be I 16 advanced in successive positions parallel to the centerline, moving not more than one 17 half the length of the straightedge each time it advances. This procedure shall be 18 repeated with the straightedge held perpendicular to the centerline. An acceptable I 19 surface shall be one free from deviations of more than 1/8-inch under the 10-foot 20 straightedge. 21 22 If the test reveals depressions, the Contractor shall fill them with freshly mixed concrete, I 23 strike off, consolidate, and refinish them. High areas shall be cut down and refinished. 24 Retesting and refinishing shall continue until a surface conforming to the requirements 25 specified above is produced. I 26 27 6-02.3(10)D4 Monitoring Bridge Deck Concrete Temperature After Placement 28 The Contractor shall monitor and record the concrete temperature and ambient I 29 temperature hourly for seven calendar days after placement. The Contractor shall 30 monitor and record concrete temperature by placing two maturity meter temperature 31 monitoring devices in the bridge deck at locations specified by the Engineer. The I 32 Contractor shall monitor ambient temperature using maturity meters near the locations 33 where concrete temperature is being monitored. When the bridge deck is being 34 enclosed and heated to meet cold weather requirements, ambient temperature readings I 35 shall be taken within the enclosure. The Contractor shall submit the concrete 36 temperature and ambient temperature data to the Engineer in spreadsheet format within 37 14 calendar days from placing the bridge deck concrete. 38 I 39 The Contractor shall submit the type and model of maturity meter temperature 40 monitoring device, and the associated devices responsible for recording and 41 documenting the temperature and curing time, to the Engineer at least 14 calendar days I 42 prior to the pre-concreting conference for the first bridge deck to be cast. The 43 placement and operation of the temperature monitoring devices and associated devices 44 will be an agenda item at the pre-concreting conference for the first bridge deck to be I 45 cast. 46 47 6-02.3(10)D5 Bridge Deck Concrete Finishing and Texturing I 48 Except as otherwise specified for portions of bridge decks receiving an overlay or 49 sidewalk under the same Contract, the Contractor shall texture the surface of the bridge 50 deck as follows: I 51 I AMENDMENTS TO THE 2014 STANDARD SPECIFICATIONS BOOK I Revised: 8/3/15