# 2F Corridor: Safety Inspection research

> An engineer performed a safety inspection on the manor. Congratulations! This manor which will stand for hundreds of years.

Canonical: https://lostark.wiki/database/stronghold-research/2f-corridor-safety-inspection-109212

An engineer performed a safety inspection on the manor.  
Congratulations! This manor which will stand for hundreds of years.

## Facts

- **Category**: Stronghold and Slot Extension
- **Time Taken**: 0d 05:00:00
- **Required Action Energy**: 1,613
- **Research Cost**: 147 Gold
- **Stronghold XP gained**: 3,226
- **Research Requirements**: Lab Lv. 6; Stronghold Lv. 45 or above; [Manor Lv. 6](https://lostark.wiki/database/stronghold-research/manor-lv-6-101006); [2F Corridor: Cover Rat Holes](https://lostark.wiki/database/stronghold-research/2f-corridor-cover-rat-holes-109211)

## Related

- [Required by research](https://lostark.wiki/database/stronghold-research/2f-corridor-safety-inspection-109212#relationships) (1)
- [Research Requirements](https://lostark.wiki/database/stronghold-research/2f-corridor-safety-inspection-109212?relation=research_requires#relationships) (2)
- [Required Materials](https://lostark.wiki/database/stronghold-research/2f-corridor-safety-inspection-109212?relation=research_materials#relationships) (2)

### Required by research

1–1 of 1

| Name | Details |
| --- | --- |
| [2F Corridor: Cooling Facility](https://lostark.wiki/database/stronghold-research/2f-corridor-cooling-facility-109213) |  |

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