McCann Construction Enterprises Inc 11/7/2018

I 1 9-16.AP9 I 2 Section 9-16, Fence and Guardrail 3 August 6, 2018 I 4 9-16.3(1) Rail Element 5 The last sentence of the first paragraph is revised to read: 6 7 All rail elements shall be formed from 12-gage steel except for thrie beam reducer 8 sections, reduced length thrie beam rail elements, thrie beams used for bridge rail 9 retrofits, and Design F end sections, which shall be formed from 10-gage steel. 10 11 9-16.3(5) Anchors 12 The last paragraph is revised to read: 13 14 Cement grout shall conform to Section 9-20.3(4) and consist of one part portland cement 15 or blended hydraulic cement and two parts sand. I 16 17 9-18.AP9 18 Section 9-18, Precast Traffic Curb 19 April 2, 2018 20 9-18.1(1) Aggregates and Proportioning 21 Item number 1 of the first paragraph is revised to read: 22 23 1. Portland cement or blended hydraulic cement shall conform to the requirements of 24 Section 9-01 except that it may be Type I portland cement conforming to AASHTO 111 25 M 85. 26 27 9-20.AP9 28 Section 9-20, Concrete Patching Material, Grout, and Mortar 29 August 6, 2018 30 9-20.1 Patching Material 31 This section, including title, is revised to read: 32111 33 9-20.1 Patching Material for Cement Concrete Pavement 34 Concrete patching material shall be prepackaged mortar extended with aggregate. The 35 amount of aggregate for extension shall conform to the manufacturer's recommendation. 36 37 Patching mortar and patching mortar extended with aggregate shall contain cementitious 38 material and conform to Sections 9-20.1(1) and 9-20.1(2). The Manufacturer shall use 39 the services of a laboratory that has an equipment calibration verification system and a 40 technician training and evaluation process in accordance with AASHTO R 18 to perform 41 all tests specified in Section 9-20.1. 42 43 9-20.1(1) Patching Mortar 44 Patching mortar shall conform to the following requirements: 45 Compressive Strength ASTM Test Method Specification at 3 hours C 39 Minimum 3,000 psi