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Prestress/Post-Tensioning Strand Systems

VSL

ECI6-19

Last edit date: 3/20/2024

GENERAL
Bar or Tendon Size Strand Diamter Ultimate (kips) Concrete Strength(psi) PJack (kips)
19 6/10" 1113 3500 834.8

WEDGES
Wedges Length Material Wedge Parts Wedge Angle Wedge Inside DiameterBABA Act Information*
1.77" AISI 11L17 or 12L142 1.175"Unconfirmed

ANCHOR HEADS
Anchor Heads Size Material Authorization DateBABA Act Information*
8.13" diameter ASTM A536 gr 80-55-0612/15/2023Unconfirmed
Wedge hole angle:
Wedge hole diameter:
Strand hole diameter:

BEARING PLATES
Bearing Plates Size Material Authorization DateBABA Act Information*
11.42" ASTM A536 gr 80-55-0612/15/2023Unconfirmed
Bearing hole diameter:
Spiral size and turns:

TRUMPETS
Trumpets Size Material Authorization DateBABA Act Information*
length=17.48" top dia=5.12" bot dia=4.17" Polypropylene ASTM D4101 VSL Q.A. DOC MS 8.1.027Unconfirmed

DUCTS
Ducts Size Material Authorization DateBABA Act Information*
4" Rigid, spiro-type galvanized steelUnconfirmed

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