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Slag <br />ASTM C 989 <br />Use only ground granulated blast -furnace slag grade 100 or <br />120. <br />Ultra Fine Fly Ash <br />ASTM C 618 <br />Not to be used with Types IP or IS cements. <br />344-3 Production, Mixing and Delivery of Concrete. <br />344-3.1 Concrete Production Requirements: <br />344-3.1.1 Category 1: Use a concrete production facility that is certified by the <br />National Ready Mixed Concrete Association (NRMCA) or listed on the FDOT list of non- <br />structural concrete producers. Concrete production facilities listed on the FDOT Producers with <br />Accepted QC Programs list for structural concrete may also be used for Category 1. <br />344-3.1.2 Category 2: Use a prestressed and or precast facility listed on the <br />FDOT Producers with Accepted QC Programs for precast or prestressed concrete. <br />344-3.1.3 Category 3: Use a structural concrete facility listed on the FDOT <br />Producers with Accepted QC Programs for structural concrete. <br />344-3.2 Classes of Concrete: Meet the requirements of Table 344-2. <br />Table 344-2 <br />Class <br />Minimum <br />Strength (28 <br />day) (psi) <br />Target <br />Slump <br />(inches) <br />Target <br />Range <br />(inches) <br />Air Content <br />Range (/o) <br />Minimum Total <br />Cementitious <br />Materials Content <br />(lb/d3 <br />Maximum Water <br />to Cementitious <br />Material Ratio <br />lb/lb <br />Catego1 <br />Class NS 2,500 N/A N/A N/A N/A N/A <br />Catego 3 <br />I <br />3,000 <br />3 <br />t 1.5 <br />1.0 to 6.0 <br />470 0.53 <br />I (Pavement) <br />3,000 <br />2 <br />f 1.5 <br />1.0 to 6.0 <br />470 0.50 <br />II <br />3,400 <br />3 <br />f 1.5 <br />1.0 to 6.0 <br />470 0.53 <br />II (Bridge <br />Deck <br />4,500 <br />3 <br />t 1.5 <br />1.0 to 6.0 <br />611 0.44 <br />III <br />5,000 <br />3 <br />t 1.5 <br />1.0 to 6.0 <br />611 0.44 <br />III Seal <br />3,000 <br />8 <br />f 1.5 <br />1.0 to 6.0 <br />611 0.53 <br />IV <br />5,500 <br />3 <br />t 1.5 <br />1.0 to 6.0 <br />658 0.41 <br />IV (Drilled <br />Shaft <br />4)000 <br />8.5 <br />f 1.5 <br />0.0 to 6.0 <br />658 0.41 <br />V (Special) <br />6,000 <br />3 <br />f 1.5 <br />1.0 to 6.0 <br />752 0.37 <br />V <br />6,500 <br />3 <br />t 1.5 <br />1.0 to 6.0 <br />752 0.37 <br />VI <br />8,500 <br />3 <br />f 1.5 <br />1.0 to 6.0 <br />752 0.37 <br />344-3.3 Contractors Quality Control: For Categories 1 and 2, assume full <br />responsibility for controlling all operations and processes such that the requirements of these <br />Specifications are met at all times. <br />For Category 3, furnish a Quality Control (QC) plan to identify to the Engineer <br />how quality will be ensured at the project site. During random inspections, the Engineer will use <br />this document to verify that the construction of the project is in agreement with the QC plan. <br />344-3.4 Concrete Mix Design: Before producing any Category 1 or Category 2, submit <br />the proposed mix designs to the Engineer on a form provided by the Engineer. For Category 3, <br />submit to the Engineer for approval, FDOT approved mix designs. Do not use concrete mix <br />designs without prior approval of the Engineer. <br />01025-38 Technical Specifications <br />F:\Public Works\ENGINEERING DIVISION PROJECTS\1503-43rd Ave Swk_Airport Dr to 41st St\1-Admin\Bids\Bid <br />Documents\Master Contract Documents\Technical Specifications.doc <br />