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I <br /> 1 1 9-20.1(4) Water <br /> 2 Water shall meet the requirements of Section 9-25.1. The quantity of water shall be <br /> I 3 within the limits recommended by the repair material manufacturer. <br /> 4 <br /> 5 9-20.2 Specifications <br /> I 6 This section, including title, is revised to read: <br /> 7 <br /> 8 9-20.2 Patching Material for Concrete Structure Repair <br /> I <br /> 9 Concrete patching material shall be a prepackaged mixture of portland or blended hydraulic <br /> 10 cement, aggregate, and admixtures. Fly ash, ground granulated blast furnace slag and <br /> 11 microsilica fume may be used. The concrete patching material may be shrinkage <br /> 12 compensated. The concrete patching material shall also meet the following requirements: <br /> I 13 <br /> 14 • Compressive strength of 6000 psi or higher at 28 days in accordance with <br /> 15 AASHTO T 22 (ASTM C 39), unless noted otherwise <br /> I 16 <br /> 17 • Bond strength of 250 psi or higher at 28 days or less in accordance with ASTM C <br /> 18 1583 or ICRI 210.3R <br /> 19 <br /> I20 • shall be 0.05 percent (500 microstrain) or lower at 28 days in <br /> 21 accordance with AASHTO T 160 (ASTM C 157) as modified by ICRI 320.3R <br /> 22 <br /> I 23 • Permeability shall be 2,000 coulombs or lower at 28 days in accordance with <br /> 24 AASHTO T 277 (ASTM C 1202) <br /> 25 <br /> I 26 • Freeze-thaw resistance shall have a durability factor of 90 percent or higher after <br /> 27 a minimum of 300 cycles in accordance with AASHTO T 161 Procedure A (ASTM <br /> 28 C 666) <br /> 29 <br /> I30 • Soluble chloride ion limits in Section 6-02.3(2) shall be satisfied <br /> 31 <br /> 32 9-20.2(1) Patching Mortar <br /> I 33 This section, including title, is deleted in its entirety. <br /> 34 <br /> 35 9-20.2(2) Patching Mortar Extended with Aggregate <br /> I 36 This section, including title, is deleted in its entirety. <br /> 37 <br /> 38 9-20.3(3) Grout Type 3 for Unconfined Bearing Pad Applications <br /> I 39 This section's title is revised to read: <br /> 40 <br /> 41 Grout Type 3 for Unconfined Applications <br /> 42 <br /> I43 This section is revised to read: <br /> 44 <br /> 45 Grout Type 3 shall be a prepackaged material that does not include expansive admixtures <br /> I <br /> 46 meeting the following requirements: <br /> 47 <br /> 48 • Compressive strength shall be 4000 psi or higher at 28 days in accordance with <br /> 49 AASHTO T 22 (ASTM C 39) for grout extended with coarse aggregate or AASHTO <br /> 50 T 106 (ASTM C109) otherwise. <br /> I City of EverettPage AM-131 Amendments <br /> Everett Station 80 Stall Parking Expansion June 2019 <br />