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SECTION 02400 <br />DIRECTIONAL BORE CROSSINGS <br />1. GENERAL <br />A. Scope <br />The work to be performed under this item shall include the furnishing of all H.D.P.E. pipe <br />and fittings for the job, equipment and labor required for the joining and installation of the <br />pipe as herein described and as shown on the Plans. The CONTRACTOR shall perform all <br />pipe work, directional drilling, backpulling and related work required for the construction of <br />the directional bore in accordance with the provisions set forth under the applicable items of <br />this Section. <br />B. References <br />Standards applicable in this Specification shall be: <br />1) American Society of Testing and Materials (ASTM) <br />a) ASTM D 2657 — Practice for Heat -Joining of Polyolefin Pipe and Fittings <br />b) ASTM D 3261 — Standard Specification for Butt Fusion Polyethylene (PE) <br />Plastic Fittings for Polyethylene (PE) Plastic Pipe and Tubing <br />c) ASTM D 3350 — Standard Specification for Polyethylene Plastics Pipe and <br />Fittings Material <br />d) ASTM F 714 — Standard Specification for Polyethylene (PE) Plastic Pipe (SDR - <br />PR) Based on Outside Diameter <br />e) ASTM F 1962 — Use of Maxi -Horizontal Directional Drilling for Placement of <br />Polyethylene Pipe or Conduit Under Obstacles, Including River Crossings <br />2) Plastics Pipe Institute <br />a) Plastic Pipe Institute Technical Report TR — 3, Policies and Procedures for <br />Develogi:ng Recommended Hydrostatic Design Stresses for Thermo-Dlastic Pipe <br />Materials <br />b) Plastic Pipe Institute, TR -31, "Underground Installation of Polyolefin Pipe <br />c) Plastics Pipe Institute, Handbook of Polyethylene Pipe, Chapter on Polyethylene <br />Joining Procedures, Washington, DC. <br />3) American Association of State Highway and Transportation Officials <br />a) AASHTO T-180 Density Relations of Soils using a 10 lb. Rammer and an 18 - <br />inch drop <br />02400 -1 <br />02400 — Directional Bore Crossings <br />