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

1 1 I 2 3. Equalization equipment shall not be removed and other construction 3 equipment shall not be placed on the structure until intermediate diaphragms 4 have attained a minimum compressive strength of 2,500 psi. 5 111 6 6-02.3(26)F Prestressing Reinforcement 7 The last sentence in the fourth paragraph is revised to read: 8 1 9 If the prestressing reinforcement will not be stressed and grouted for more than 7 10 calendar days after it is placed in the ducts, the Contractor shall place an approved 11 corrosion inhibitor conforming to Federal Specification MIL-I-22110C in the ducts. I 12 13 6-02.3(27)A Use of Self-Consolidating Concrete for Precast Units 14 The first paragraph is deleted. I 15 16 The second paragraph (up until the colon) is revised to read: 17 I18 19 Self-consolidating concrete (SCC) may be used for the following precast concrete structure elements: 20 I 21 Item number 2 of the second paragraph is revised to read: 22 23 2. Precast reinforced concrete three-sided structures in accordance with Section 6- 24 02.3(29). 1 25 26 6-02.3(27)B Submittals for Self-Consolidating Concrete for Precast Units 27 This section is revised to read: I 28 29 With the exception of items 3, 7, and 8 in Section 6-02.3(27)A, the Contractor shall 30 submit the mix design for SCC to the Engineer for annual plant approval in accordance I 31 with Section 6-02.3(28)B. The mix design submittal shall include items specified in 32 Sections 6-02.3(2)A and 6-02.3(2)C1. 33 I 34 Items 3, 7, and 8 in Section 6-02.3(27)A require the precast plant to cast one 35 representative structure acceptable to the Engineer and have the structure sawn in half 36 for examination by the Contracting Agency to determine that segregation has not I 37 occurred. The Contracting Agency's approval of the sawn structure will constitute 38 approval of the precast plant to use SCC, and a concrete mix design submittal is not 39 required. I 40 41 6-02.3(27)C Acceptance Testing of Self-Consolidating Concrete for Precast 42 Units 43 This section's title is revised to read: I44 45 6-02.3(27)C Acceptance Testing of Concrete for Precast Units 46 I 47 This section is revised to read: 48 49 Acceptance testing shall be performed by the Contractor and test results shall be I 50 submitted to the Engineer. Concrete shall conform to the requirements specified in 51 Section 6-02.3(2)A. Unless otherwise noted below, the test methods described in 52 Section 6-02.3(5)D shall be followed. Concrete compressive strength shall be in I II AMENDMENTS TO THE 2014 STANDARD SPECIFICATIONS BOOK Revised: 8/3/15