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FP-96 English Version - Eastern Federal Lands Highway Division

FP-96 English Version - Eastern Federal Lands Highway Division

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Section 722(b) Couplers. Furnish couplers for tendon sections that are capable ofdeveloping 95 percent of the minimum specified ultimate tensile strength ofthe tendon.(c) Sheathing. Conform to one of the following:(1) Unbonded length.(a) Polyethylene tube. Conform to ASTM D 1248 type II, III, or IVwith a minimum wall thickness of 60 mil.(b) Hot-melt extruded polypropylene tube. Conform to ASTM D 4101cell classification PP 210 B5554211 with a minimum wall thicknessof 60 mil.(c) Hot-melt extruded polyethylene tube. Conform to ASTMD 3350 and D 1248 high-density type III with a minimum wall thicknessof 60 mil.(d) Steel tubing. Conform to ASTM A 500 with a minimum wallthickness of 0.20 inches.(e) Steel pipe. Conform to ASTM A 53 schedule 40 minimum.(f) Plastic pipe. Conform to ASTM D 1785 schedule 40 minimum.(2) Bonded length.(a) High-density corrugated polyethylene tubing. Conform toAASHTO M 252 with a minimum wall thickness of 30 mil.(b) Corrugated, polyvinyl chloride tubes. Conform to ASTMD 1784 class 13464-B.(c) Fusion-bonded epoxy. Conform to AASHTO M 284M with aminimum film thickness of 15 mil.(d) Grease. Conform to Table 3.2.1 of the PTI Post Tensioning Manual.Formulate to provide corrosion inhibiting and lubricating properties.776

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