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13. Curb boxes shall be Mueller M 10300 through 1 inch and H-10386 for 1 1/2 inch and 2 inch or equal, with foot piece and equipped with stationary rod equal to Mueller No. 84274, A.Y. McDonald 5671. All boxes shall be adjustable up and down for 6.5 to 7.5 feet of cover. 14. Hydrants shall be Clow Medallion break -off type with breakable ground line flange and with bronze lower plate or approved equal. The breakoff section shall be 16 inches in height. 15. Each hydrant shall have a 4.5 foot red/white reflective hydrant marker installed on it. Cost of this marker shall be incidental to the cost of a new hydrant with no direct compensation thereof. 16. The centerline of the break -off flange shall be from 1 inch to 4 inches above the ground line. 17. Hydrants shall have 7.5 foot bury depth. 18. Hydrants shall have a Tracer Wire Kit installed and attached consisting of a P' PVC conduit for protection and shall be bolted to the Hydrant. Kit must be approved by Engineer. 19. In general, water services shall have a 7.5 feet bury with the exception of those locations in which conflict may occur with storm sewer. In these cases the water service shall be constructed below the storm sewer to permit a clearance of three feet between storm sewer invert and water service. The connection will be a wet tap unless authorized by the Engineer or specifically shown on the Drawings. 20. A connection to an existing watermain by methods other than a wet tap can be done only with approval of the City Engineer. 21. Approximately 1% slack shall be maintained in the wire by installing 101 feet of wire for each 100 feet of pipe length. 22. The wire shall be electrically tied to each valve by extending the wire to ground surface outside the valve box. A hole shall be drilled in the taper of the valve box and the wire shall be brought inside the valve box and attached to the valve box with stainless steel screws. The wire shall be electrically tied to each hydrant assembly by extending the wire up the hydrant and securely attaching it to one of the break -off flange bolts. All connections shall receive a coat of an approved bituminous rust preventative material such as Koppers 505, or equal. 23. At junctions of non-conductive pipe materials with conductive pipe materials, the Contractor shall electrically connect the conductive material with the tracer wire adjacent to the non-conductive material.