McCann Construction Enterprises Inc 11/7/2018

1 2. Obtain the Engineer's permission to place concrete after the Engineer has 2 inspected the placement of the reinforcing steel. (Any concrete placed without ' 3 the Engineer's permission shall be rejected and removed.) 4 5 6-02.3(25)H Finishing 6 The last paragraph is revised to read: 7 8 The Contractor may repair defects in prestressed concrete girders in accordance with ' 9 Section 6-01.16. 10 11 6-02.3(27) Concrete for Precast Units 12 The last sentence of the first paragraph is revised to read: 13 14 Type III portland cement or blended hydraulic cement is permitted to be used in precast 15 concrete units. ' 16 17 6-02.3(28)B Casting 18 In the second paragraph, the reference to Section 6-02.3(25)B is revised to read Section 6- 19 02.3(25)C. 20 21 6-02.3(28)D Contractors Control Strength 22 In the first paragraph, "WSDOT FOP for AASHTO T 23" is revised to read "FOP for AASHTO 23 T 23". 24 ' 25 6-02.3(28)E Finishing 26 This section is supplemented with the following: 27 28 The Contractor may repair defects in precast panels in accordance with Section 6-01.16. 29 30 6-05.AP6 31 Section 6-05, Piling 32 January 2, 2018 33 6-05.3(9)A Pile Driving Equipment Approval 34 The fourth sentence of the second paragraph is revised to read: 35 36 For prestressed concrete piles, the allowable driving stress in kips per square inch shall 37 be 0.095 • ./f', plus prestress in tension, and 0.85f'c minus prestress in compression, 38 where f'c is the concrete compressive strength in kips per square inch. 39 40 6-07.AP6 41 Section 6-07, Painting 42 January 2, 2018 ' 43 6-07.3(6)A Paint Containers 44 In item number 2 of the first paragraph, "Federal Standard 595" is revised to read "SAE AMS ' 45 Standard 595". 46