# Base Building

> Canonical source: [Base Building](https://satisfactorybase.com/wiki/schematics/base-building)
> Language: en

## Properties

- Entity type: Milestone
- Tier: 1
- Completion time: 120 s

## Unlock cost

- [Concrete](/wiki/items/concrete): 200
- [Iron Plate](/wiki/items/iron-plate): 100
- [Iron Rod](/wiki/items/iron-rod): 100

## Unlocked buildings

- [Lookout Tower](/wiki/buildings/lookout-tower)
- [Foundation (1 m)](/wiki/buildings/foundation-1-m-desc-foundation-8x1-01)
- [Foundation (2 m)](/wiki/buildings/foundation-2-m-desc-foundation-8x2-01)
- [Foundation (4 m)](/wiki/buildings/foundation-4-m-desc-foundation-8x4-01)
- [Ramp (1 m)](/wiki/buildings/ramp-1-m-desc-ramp-8x1-01)
- [Ramp (2 m)](/wiki/buildings/ramp-2-m-desc-ramp-8x2-01)
- [Ramp (4 m)](/wiki/buildings/ramp-4-m-desc-ramp-8x4-01)
- [Basic Wall (4 m)](/wiki/buildings/basic-wall-4-m-desc-wall-8x4-01)
- [Basic Wall (1 m)](/wiki/buildings/basic-wall-1-m-desc-wall-orange-8x1)

## Technical Details

- Class name: Schematic_1-1_C
- Native class: FGSchematic
- Asset path: /Game/FactoryGame/Schematics/Progression/Schematic_1-1