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I <br /> 1 Mortar for hand mortared joints shall conform to Section 9-20.4(3) and consist of one part <br /> 2 portland cement or blended hydraulic cement, three parts fine sand, and sufficient water to <br /> 3 allow proper workability. <br /> 4 • <br /> 5 9-04.5 Flexible Plastic Gaskets <br /> 6 In the table, the Test Method value for Specific Gravity at 77°F is revised to read "ASTM D71". <br /> 7 111 <br /> 8 In the table, the Test Method value for Flash Point COC, F is revised to read "ASTM D93 REV <br /> 9 A". <br /> 10 <br /> 11 In the table, the Test Method value for Volatile Matter is revised to read "ASTM D6". <br /> 12 <br /> 13 Section 9-05, Drainage Structures and Culverts <br /> 14 January 7, 2019 <br /> 15 9-05.3(1)A End Design and Joints <br /> 16 The second sentence of the first paragraph is revised to read: <br /> 17 <br /> 18 The joints and gasket material shall meet the requirements of ASTM C990. <br /> 19 <br /> 20 9-05.3(1)C Age at Shipment <br /> 21 The last sentence of the first paragraph is revised to read: <br /> 22 <br /> 23 Unless it is tested and accepted at an earlier age, it shall not be considered ready for <br /> 24 shipment sooner than 28 days after manufacture when made with Type II portland cement <br /> 25 or blended hydraulic cement, nor sooner than 7 days when made with Type III portland <br /> 26 cement. <br /> 27 <br /> 28 9-05.7(3) Concrete Storm Sewer Pipe Joints <br /> 29 The second sentence is revised to read: <br /> 30 <br /> 31 The joints and gasket material shall meet the requirements of ASTM C990. <br /> 32 <br /> 33 9-05.7(4)A Hydrostatic Pressure on Pipes in Straight Alignment <br /> 34 The first sentence is revised to read: <br /> 35 <br /> 36 Hydrostatic pressure tests on pipes in straight alignment shall be made in accordance with <br /> 37 the procedure outlined in Section 10 of ASTM C990, except that they shall be performed on <br /> 38 an assembly consisting of not less than three nor more than five pipe sections selected <br /> 39 from stock by the Engineer and assembled in accordance with standard installation <br /> 40 instructions issued by the manufacturer. <br /> 41 1 42 9-05.24(1) Polypropylene Culvert Pipe and Storm Sewer Pipe <br /> 43 This section is revised to read: <br /> 44 <br /> 45 Polypropylene culvert and storm sewer pipe shall conform to the following requirements: <br /> 46 <br /> 47 1. For dual wall pipe sizes up to 60 inches: ASTM F2881 or AASHTO M 330, Type S <br /> 48 or Type D. <br /> 49 <br /> 50 2. For double or triple wall pipe sizes up to 60 inches: ASTM F2764. <br /> City of Everett Page AM-90 Amendments <br /> Everett Downtown Streetscape Improvement March 22, 2019 <br />