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SUBSTITUTION TABLE FOR IRRIGATION <br /> COMPONENTS <br /> METRIC NOMINAL <br /> WATER METERS,TRUCK SIZE <br /> LOADING STANDPIPES, TO BE SUBSTITUTED <br /> VALVES,BACKFLOW <br /> PREVENTERS,FLOW <br /> SENSORS,WYE <br /> STRAINERS,FILTER <br /> ASSEMBLY UNITS,PIPE <br /> SUPPLY LINES,AND PIPE <br /> IRRIGATION SUPPLY <br /> LINES <br /> SHOWN ON THE PLANS <br /> DIAMETER NOMINAL(DN) <br /> mm inch <br /> 15 1/2 <br /> 20 3/4 <br /> 25 1 <br /> 32 1-1/4 <br /> 40 1-1/2 <br /> 50 2 <br /> 65 2-1/2 <br /> 75 3 <br /> 100 4 <br /> 150 6 <br /> 200 8 <br /> 250 10 <br /> 300 12 <br /> 350 14 <br /> 400 16 <br /> Unless otherwise specified,substitutions of United States Standard Measures standard structural shapes corresponding to <br /> the metric designations shown on the plans and in conformance with the requirements in ASTM Designation: A 6/A 6M, <br /> Annex 2,will be allowed. <br /> 8-1.02 PREQUALIFIED AND TESTED SIGNING AND DELINEATION MATERIALS <br /> The Department maintains the following list of Prequalified and Tested Signing and Delineation Materials. The <br /> Engineer shall not be precluded from sampling and testing products on the list of Prequalified and Tested Signing and <br /> Delineation Materials. <br /> The manufacturer of products on the list of Prequalified and Tested Signing and Delineation Materials shall furnish the <br /> Engineer a Certificate of Compliance in conformance with the provisions in Section 6-1.07, "Certificates of Compliance," of <br /> the Standard Specifications for each type of traffic product supplied. <br /> For those categories of materials included on the list of Prequalified and Tested Signing and Delineation Materials,only <br /> those products shown within the listing may be used in the work. Other categories of products, not included on the list of <br /> Prequalified and Tested Signing and Delineation Materials, may be used in the work provided they conform to the <br /> requirements of the Standard Specifications. <br /> Materials and products may be added to the list of Prequalified and Tested Signing and Delineation Materials if the <br /> manufacturer submits a New Product Information Form to the New Product Coordinator at the Transportation Laboratory. <br /> Upon a Departmental request for samples, sufficient samples shall be submitted to permit performance of required tests. <br /> Approval of materials or products will depend upon compliance with the specifications and tests the Department may elect to <br /> perform. <br /> PAVEMENT MARKERS,PERMANENT TYPE <br /> Retroreflective With Abrasion Resistant Surface(ARS) <br /> 1. Apex,Model 921AR(100 mm x 100 mm) <br /> 2. Ennis Paint,Models C88(100 mm x 100 mm),911 (100 mm x 100 mm)and 953 (70 mm x 114 mm) <br /> Contract No. 1 O-OM7104 <br /> 121 <br />