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rods, trenching grading, and incidental items associated with relocation. <br />B. Sewer Utilities <br />The sewer utilities for this project shall be constructed per the "Indian River County <br />Technical Specifications", March, 2014. This document can be obtained online at <br />www.ircutilities.com <br />C. Earthwork and Backfill <br />Compaction - All fill must be compacted by hand tamping from under the pipe up to the <br />center line. Backfill shall be compacted in 6" lifts up to the surface to achieve a <br />minimum compaction of 98 percent of maximum density in roadways and shoulders <br />and 95 percent in easements, in accordance with AASATO T-180 and D-2167. <br />D. Ductile Iron Pipe and Fittings <br />General: <br />All ductile iron pipe shall be manufactured in accordance with AWWA <br />Specifications C-150 & C-151. All buried ductile iron pipe shall be <br />manufactured in accordance with AWWA Specification C-151 and shall <br />be Class 52 minimum. All exposed ductile iron pipe shall be Class 53 <br />minimum. <br />2. Fittings: <br />All underground fittings shall be either bell and spigot, or mechanical <br />joint. Mechanical joints shall conform to AWWA specification C110 <br />(ANSI 21.10-87), or latest revision. All exposed aboveground fittings <br />shall be flanged joint. <br />3. Bell and Spigot Connections: <br />Joints in bell and spigot pipe shall be push -on, mechanical, or restrained <br />joints in accordance with AWWA Standard C-111 (ANSI 21.11-85), or <br />latest revision. Mechanical joint pipe set -screw type retainer glands will <br />not be permitted. <br />4. Flanged Connections: <br />Flanged pipe with screwed -on flanges shall be furnished with long hubs, <br />and the flanges shall be screwed on the threaded end of the pipe in the <br />shop, and the face of the flange and end of pipe refaced together. There <br />shall be no leakage through the pipe threads and the flanges shall be <br />designed to prevent corrosion of the threads from outside. The back of <br />the hub shall be caulked where the hub threads joint with the pipe. <br />5. Valve Box Adjustments: <br />Cost of valve nut extenders shall be included in cost of valve box <br />adjustments where needed. <br />01025-36 Technical Specifications <br />F:\Public Works\ENGINEERING DIVISION PROJECTS\1137-Old Dixie Hwy Resurfacing IRF North Relief Canal to 71st St\Admim\bid <br />documents\Contract Documents\Technical Specifications REVISED.doc <br />