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• Portland cement concrete for metal post and brace footings and for deadmen shall be minor concrete conforming to <br /> the provisions in Section 90-10, "Minor Concrete." Minor concrete shall contain not less than 275 kg of cementitious <br /> material per cubic meter. <br /> The fourth paragraph of Section 804.01 C,"Miscellaneous,"of the Standard Specifications is amended to read: <br /> • Portland cement concrete for metal post and for deadmen shall be produced from minor concrete conforming to the <br /> provisions in Section 90-10, "Minor Concrete." Minor concrete shall contain not less than 275 kg of cementitious material <br /> per cubic meter. <br /> SECTION 81: MONUMENTS <br /> Issue Date: June 30,2006 <br /> The fifth paragraph of Section 81-1.02,"Materials,"of the Standard Specifications is amended to read: <br /> At the option of the Contractor,the frame and cover for Type B and Type D survey monuments shall be fabricated <br /> from either cast steel or gray cast iron. The covers shall fit into the frames without rocking. <br /> The seventh paragraph of Section 81-1.02,"Materials,"of the Standard Specifications is amended to read: <br /> • Granular material for Type B and Type D survey monuments shall be gravel, crushed gravel, crushed rock or any <br /> combination thereof. Granular material shall not exceed 37.5 mm in greatest dimension. <br /> SECTION 82: MARKERS AND DELINEATORS <br /> Issue Date: June 30,2006 <br /> The first paragraph of Section 82-1.02B, "Metal Posts,"of the Standard Specifications is amended to read: <br /> • Steel for metal posts shall conform to the requirements in ASTM Designation: A 36/A 36M. The posts shall be <br /> galvanized in conformance with the requirements in Section 75-1.05, "Galvanizing." <br /> The third paragraph of Section 82-1.02D,"Target Plates,"of the Standard Specifications is amended to read: <br /> • The zinc-coated steel sheet shall conform to the requirements in ASTM Designation: A 653/A 653M, <br /> Classification: Commercial Steel (CS Types A, B and Q. The steel sheets shall be galvanized in conformance with the <br /> requirements in Section 75-1.05, "Galvanizing." The zinc-coated surface shall be prepared for painting in a manner designed <br /> to produce optimum paint adherence. The surface preparation shall be accomplished without damaging or removing the zinc <br /> coating. Any evidence of damage or removal of the zinc coating shall be cause for rejection of the entire lot. <br /> The eleventh paragraph of Section 82-1.02D, "Target Plates,"of the Standard Specifications is amended to read: <br /> • When tested in conformance with the requirements in California Test 671, the painted metal target plates shall, in <br /> general, have satisfactory resistance to weathering, humidity, salt spray and chemicals; the enamel coating shall have <br /> satisfactory adherence and impact resistance, a pencil lead hardness of HB minimum, 60° specular gloss of 80 percent <br /> minimum, an excitation purity of 3 percent maximum as received and after 1000 hours in an artificial weathering device in <br /> conformance with the requirements in ASTM Designation: G 155, Table X3.1, Cycle 1, and a daylight luminous directional <br /> reflectance("Y"value)of 70 minimum. <br /> The second paragraph of Section 82-1.02F, "Reflectors,"of the Standard Specifications is amended to read: <br /> • Reflectors for flexible target plates on Type K object markers and target plates on Class 2 delineators, and reflectors <br /> for Class 1 delineators shall be made from impact resistant retroreflective sheeting as specified in the special provisions. The <br /> color of the retroreflective sheeting shall conform to the color designated on the plans and the Chromaticity Coordinates <br /> specified in ASTM Designation: D 4956, or the PR color number specified by the Federal Highway Administration's Color <br /> Tolerance Chart. <br /> Contract No. 10-OM7104 <br /> 55 <br />