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CHAPTER 75 <br /> ADDITIONS AND <br /> 10. WATER CURB STOP BOXES. C�rb stop boxes for 3TA ��� �--� :-�'� water <br /> services shall be of the Minneapolis Pattern base, extension type, consisting of two telescoping <br /> sections, the lower of which shall be cast of ASTM A126 Grade B gray iron and shall be provided <br /> with accurately machined inside threads of corresponding size and type to those of the outside <br /> threads at the top of the curb stop body. The upper section (stand pipe) shall be made from <br /> schedule 40 steel pipe with a e€1 1/4 inch minimum�diameter and shall be provided with <br /> a lid made of ASTM A126 gray iron with the word "WATER" clearly cast on its top surface. <br /> Said lid shall have a cast gray iron pentagon nut and plug. The lid shall have an integrally cast <br /> bronze bushing to facilitate easy removal of the pentagon plug with the proper wrench. Upper <br /> and lower sections of curb stop boxes shall be coated inside and out with a tar base enamel and <br /> shall be provided with not less than 12 inch telescopic adjustment for grade variations. They shall <br /> b� sized for bury depths in accordance with Section 7 of this Chapter. ees�a� <br />