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Prestress/Post-Tensioning Strand Systems

Avar Construction Systems, Incorporated

ACS 1.6

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*
1.865" AISI 11L17 R15N89-93 7° 5' ± 5' Unconfirmed
1.865" RA 79-83 7° 5' ± 5' Unconfirmed

ANCHOR HEADS
Anchor Heads Size Material Authorization DateBABA Act Information*
2 1/4" Ø x 2.5" C 1040-10451/25/1989Unconfirmed
Wedge hole angle: 7°
Wedge hole diameter: 1.15"
Strand hole diameter: 0.68"

BEARING PLATES
Bearing Plates Size Material Authorization DateBABA Act Information*
4"x4" x 5/8" ASTM A-361/25/1989Unconfirmed
Bearing hole diameter: 0.750"
Spiral size and turns: none

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*
There are no duct components for this system at this time

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