Kamins Construction Inc Pacific Ave to Interurban Trail Bicycle Safety

I 1 The last sentence of the fifth paragraph is revised to read: 2 3 With the Engineer's written concurrence, microsilica fume may be used in all 4 classifications of Class 4000, Class 3000, and commercial concrete and is limited to a 5 maximum of 10 percent of the cementitious material. 6 7 6-02.3(2)A Contractor Mix Design 8 The last sentence of the last paragraph is revised to read: 9 10 For all other concrete, air content shall be a minimum of 4.5 percent and a maximum of 11 7.5 percent for all concrete placed above the finished ground line unless noted otherwise. 12 13 6-02.3(2)A1 Contractor Mix Design for Concrete Class 4000D 14 Item number 5 of the first paragraph is deleted. 15 16 Item number 6 of the first paragraph (after the preceding Amendment is applied) is renumbered 17 to 5. ' 18 19 6-02.3(2)B Commercial Concrete 20 The second paragraph is revised to read: ' 21 22 Where concrete Class 3000 is specified for items such as, culvert headwalls, plugging 23 culverts, concrete pipe collars, pipe anchors, monument cases, Type PPB, PS, I, FB and ' 24 25 RM signal standards, pedestals, cabinet bases, guardrail anchors, fence post footings, sidewalks, concrete curbs, curbs and gutters, and gutters, the Contractor may use 26 commercial concrete. If commercial concrete is used for sidewalks, concrete curbs, curbs 27 and gutters, and gutters, it shall have a minimum cementitious material content of 564 28 pounds per cubic yard of concrete, shall be air entrained, and the tolerances of Section 6- 29 02.3(5)C shall apply. 30 ' 31 6-02.3(4) Ready-Mix Concrete 32 The first sentence of the first paragraph is revised to read: 33 34 All concrete, except lean concrete, shall be batched in a prequalified manual, semi- 35 automatic, or automatic plant as described in Section 6-02.3(4)A. 36 37 6-02.3(4)D Temperature and Time For Placement 38 The following is inserted after the first sentence of the first paragraph: 39 40 The upper temperature limit for placement for Class 4000D concrete may be increased to 41 a maximum of 80°F if allowed by the Engineer. 42 43 6-02.3(5)C Conformance to Mix Design 44 Item number 1 of the second paragraph is revised to read: 45 46 1. Cement weight plus 5 percent or minus 1 percent of that specified in the mix design. ' 47 48 6-02.3(6)A1 Hot Weather Protection 49 The first paragraph is revised to read: 50 51 The Contractor shall provide concrete within the specified temperature limits. Cooling of 52 the coarse aggregate piles by sprinkling with water is permitted provided the moisture CITY OF EVERETT AMENDMENTS PACIFIC AVENUE TO INTERURBAN TRAIL BICYCLE SAFETY PROJECT 8/12/2019 STATE FUND#HLP PB17(014); COE#PW3688 Page AM-35