🔩 Post-Tensioning Institute (PTI) Tendon Sheathing Vacuum Drying & Grease Fill

Post-Tension Tendon Grease Re-Injection Calculator

Size rehabilitation and corrosion protection for unbonded post-tensioned (PT) steel tendons in aging parking structures under PTI standards: calculate vacuum moisture extraction from plastic sheaths, high-pressure re-injection of corrosion-inhibiting PT grease (Gallons = Duct Void Volume x 1.10), and post-tensioning repair contractor margins.

1. Project & Operating Inputs

Post-Tension Tendons Re-Greased (Tendon Count e.g. 85 PT Tendons)

Average Tendon Length (Linear Feet e.g. 140 Linear Feet / Tendon)

Customer Bid Price for Vacuum Dried & Re-Greased Tendon ($ / Tendon)

PTI Certified Grease, Vacuum Pump Rig, Anchor Caps & Techs ($ / Tendon)

2. Financial Breakdown & Yield

PTI POST-TENSION TENDON GREASE

Turnkey PT Tendon Repair Profit

Post-Tension Repair Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost