1014 CALIFORNIA ST 2016-01-01 MF Import

. .. . • 2. Water-reducing agents shall be "Pouolith" or approved equal conforming to ASTM C 494, Type A, for water-reducing; Type D for water-reducing and retarding; and Type E for water-reducing and accelerating. 3. Accelerators shall be approved by the Owner prior to use. 4. Retarders shall be approved by the Owner prior to use. 5. Nonshrink additives shall be "Isovol," "Embeco," or an approved mix design. The mix design shall be tested in accordance with ASTM C 827 for volume change, ASTM C 187 and ASTM C 143 for workability, end ASTM C 39 for compressive strength. The use of powdered aluminum wfll not be permitted without written permission of the Owner. 2.02 MEMBRANES A. Curing Membrane: All curing membrane shall be sheet plestic, as apecified for vapor barrier, x combination sheet plastic and paper, or an equal approved in advance by the Engineer. B. Jointing Material: All cement or tape used for sealfng membrane Joints shall be only as recommended by the manufacturer of the membrane being joined. 2.03 OTHER MATERIALS A. All other materials not specifically described, but required for e complete and proper installation of cast-in-place concrete, shall be as selected by the Contractor subJect to the approval of the Owner. 2.04 AIR ENTRAINED CONCRETE/SHOTCRETE A. Shotcrete shall meet the requirements of ACI 506.2-95. Shotcrete shall be Class 4000. PART 3 - EXECUTION 3.01 PREPARATORY WORK A. Inspection 1. Prior to all work of this section, carefully inspect the inatalled work of all other trades and verify that all such work is compiete to the paint where this instaliatfon may properly commence. 2. Verify that all items to be embedded in concrete are in place, properly oriented, located and secured. 3. Verify that concrete may be placed to the lines and elevationa fndicated on the drawings with all required clearances for reinforcement. April 27, 2001 03300 - 3 �