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if; <br />1 346 PORTLAND CEMENT CONCRETE. <br />1111 <br />(REV 9- 21 -05) (FA 12 -6 -05) (7 -06) <br />SECTION 346 (Pages 283 -301) is deleted and the following substituted: <br />SECTION <br />PORTLAND CEMENT CONCRETE <br />346 -1 Description. <br />Use concrete composed of a mixture of portland cement, aggregate, water, and, <br />where specified, admixtures, pozzolan and ground granulated blast furnace slag. Deliver <br />the portland cement concrete to the site of placement in a freshly mixed, unhardened <br />state. <br />Obtain concrete from an approved concrete production facility meeting the <br />production and Quality Control (QC) of concrete provisions of this Section and Chapter 9.2 <br />of the Materials Manual Concrete Production Facilities Guidelines, which may be viewed at <br />the following URL: www. dot. state. fl. us / specificationsoffice /materialsmanual /section92.pdf <br />. If the concrete production facility's approval is suspended, the Contractor is solely <br />responsible to obtain the services of another approved concrete production facility or await <br />the re- approval of the affected concrete production facility prior to the placement of any <br />further concrete on the project. There will be no changes in the contract time or <br />completion dates. Bear all delay costs and other costs associated with the concrete <br />production facility approval or re- approval. <br />346 -2 Materials. <br />346 -2.1 General: Meet the following requirements: <br />Coarse Aggregate ..................... ........................Section 901 <br />Fine Aggregate* ....................... ........................Section 902 <br />Portland Cement ....................... ........................Section 921 <br />Water...... ............................... ........................Section 923 <br />Admixtures .............................. ........................Section 924 <br />Pozzolans and Slag ................... ........................Section 929 <br />*Use only silica sand except as provided in 902 - 5.2.3. <br />Do not use materials containing hard lumps, crusts or frozen matter, or that <br />is contaminated with dissimilar material. <br />346 -2.2 Types of Cement: Unless a specific type of cement is designated <br />elsewhere, use Type I, Type IP, Type IS, Type IP (MS), Type II, or Type III cement in all <br />classes of concrete. <br />Use only the types of cements designated for each environmental condition <br />in structural concrete. A mix design for a more aggressive environment may be substituted <br />for a lower aggressive environmental condition. <br />TABLE 1 <br />BRIDGE SUPERSTRUCTURES <br />Slightly Aggressive <br />Moderately <br />Extremely Aggressive <br />Component <br />Environment <br />Aggressive <br />Environment <br />Environment <br />Precast Superstructure <br />Type I or Type III <br />Type I or Type III with <br />Type I) with Fly Ash <br />I March 2007 01000 -88 <br />03- 4122.D < `', <br />