UPA / APU module

UPA (Unit Price Analysis) — also known as APU (Análisis de Precio Unitario) — is where you define the per-unit cost breakdown for each line item in an estimate.

What is a UPA?

A UPA describes how the unit price of an activity or line item is calculated, broken down into:

• Materials — physical inputs (concrete, steel, pipe, etc.)
• Labor — crews and labor categories
• Equipment — machinery and tools
• Subcontracts — specialized outsourced work

Line item total price = UPA unit price × line item quantity.

Accessing the UPA module

From the sidebar of an active project, select UPA. You'll see the list of UPAs associated with the project.

Create a UPA

1. Click New UPA.
2. Enter:
   • Name — activity description
   • Code — reference identifier (can match the WBS code)
   • Unit — m², m³, lm, kg, piece, etc.
3. Click Save.

Pricing modes for line items

Mode	Behavior
manual	User-set price; skipped during recalculation
linked_upa	Price sourced from a UPA; updated on recalculation
override	User overrode a UPA price; preserved on recalculation

Recalculate

The Recalculate button runs the calculation engine (Rust) asynchronously:

1. Click Recalculate in the workspace Topbar.
2. A progress indicator shows the status.
3. When done, all linked_upa line item prices update automatically.

info

Recalculation is idempotent: you can run it as many times as needed. manual and override line items never change.