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1 <br /> 2 9-29.17 Signal Head Mounting Brackets and Fittings <br /> 3 In the first paragraph, item number 2 under Stainless Steel is revised to read: <br /> 4 <br /> 5 2. Bands or cables for Type N mount. <br /> 6 <br /> 7 9-29.20 Pedestrian Signals <br /> 8 In item 2C of the second paragraph, ''Federal Standard 595" is revised to read "SAE AMS <br /> 9 Standard 595". <br /> 10 <br /> 11 9-30.AP9 <br /> 12 Section 9-30, Water Distribution Materials <br /> 13 August 7, 2017 <br /> 14 9-30.6(3) Service Pipes <br /> 15 This section is supplemented with the following new subsection: <br /> 16 <br /> ' 17 <br /> 18 9-30.6(3)C PEX-a Tubing <br /> PEX-a tubing shall be a minimum of 3 -inch or a maximum 2-inch in diameter and shall <br /> 19 be manufactured in accordance with AWWA C904 and ASTM F876. The tubing shall <br /> ' 20 <br /> 21 have a minimum materials designation code of 3306 in accordance with ASTM F876, a <br /> pressure rating of 200 psi at 73.4 degrees using a design factor of 0.63 as outlined in <br /> 22 PPI TR-3, Part F-7, and shall have a minimum SDR of 9. Tubing color shall be blue in <br /> ' 23 accordance with APWA Uniform color standards. <br /> 24 <br /> 25 9-30.6(4) Service Fittings <br /> 26 This section is supplemented with the following new paragraph: <br /> I 27 <br /> 28 Fittings for PEX-a tubing shall meet the requirements of AWWA C904. <br /> 29 <br /> 30 9-31.AP9 <br /> 31 Section 9-31, Elastomeric Pads <br /> 32 August 7, 2017 <br /> 33 This section, including title, is revised to read: <br /> 34 <br /> 35 9-31 Fabricated Bridge Bearing Assemblies <br /> 36 9-31.1 Steel Plates and Bars <br /> 37 Steel plates and bars, including anchor array templates, shall conform to ASTM A <br /> 38 36. <br /> 39 <br /> 40 Recessed steel surfaces retaining PTFE shall have an average surface roughness <br /> 41 of 250-microinches or less. <br /> 42 <br /> 43 Steel surfaces in contact with pre-formed fabric pad or polyether urethane disc shall <br /> 44 have an average surface roughness of 250-microinches or less. <br /> ' 45 <br /> 46 Steel surfaces in contact with stainless steel sheet, or with the bearing block of a <br /> 47 pin bearing assembly, shall have an average surface roughness of 125-microinches <br /> ' 48 <br /> 49 or less. <br /> 50 All other steel surfaces in contact with other fabricated bridge bearing assembly <br /> 51 components shall have an average surface roughness of 250-microinches or less. <br /> HOT MIX ASPHALT OVERLAY-2018 PAGE 49 OF 53 March 6,2018 <br /> WORK ORDER#3667 <br /> AMENDMENTS TO STANDARD PROVISIONS <br />