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Prestress/Post-Tensioning Strand Systems

Schwager Davis Incorporated

1.6 (Epoxy)

Last edit date: 3/20/2024

GENERAL
Bar or Tendon Size Strand Diamter Ultimate (kips) Concrete Strength(psi) PJack (kips)
1 0.6" 58.6 3500 44

WEDGES
Wedges Length Material Wedge Parts Wedge Angle Wedge Inside DiameterBABA Act Information*
1-13/16" AISI 12L143 7° Unconfirmed
1-13/16" AISI 11L173 7° Unconfirmed

ANCHOR HEADS
Anchor Heads Size Material Authorization DateBABA Act Information*
5 13/16" x 3" x 1 9/16" A536 Grade 80-55-06Unconfirmed
Wedge hole angle:
Wedge hole diameter:
Strand hole diameter:

BEARING PLATES
Bearing Plates Size Material Authorization DateBABA Act Information*
There are no bearing plate components for this system at this time
Bearing hole diameter:
Spiral size and turns:

TRUMPETS
Trumpets Size Material Authorization DateBABA Act Information*
There are no trumpet components for this system at this time

DUCTS
Ducts Size Material Authorization DateBABA Act Information*
2" I.D. Galvanized SpiroUnconfirmed

SPIRAL
-

Caltrans contact: Jim Ma, Concrete Committee Chair, jim.ma@dot.ca.gov

*As attested to by the supplier as of April 14, 2026 per definition in 2 CFR 184 and 23 CFR 635.410. Stakeholders should use this information in conjunction with corresponding Caltrans special provision section 6-1.04 to understand applicable requirement for the project.

The California Department of Transportation (Caltrans) is implementing statutory changes required by the Bipartisan Infrastructure Law -Build America, Buy America Act (BABA), as outlined in 2 CFR 184 and 23 CFR 635.410.

https://www.fhwa.dot.gov/construction/cqit/buyam.cfm