How do you attack Kitchen / Meeting Hall on Oregon?

Hard breach the Stage wall from Big Tower / Rear Stage. Open Attic hatch (over Meeting Hall) and Kids hatch (over Kitchen) for vertical pressure. Thermite. Hibana.

Oregon: Kitchen / Meeting Hall (1F)

Oregon · 1F · Meeting Hall

Kitchen / Meeting Hall is a first floor bomb site on Oregon, planting in Meeting Hall. Attackers usually hard breach the Stage wall from Big Tower / Rear Stage. Vertical play comes through Attic hatch (over Meeting Hall) and Kids hatch (over Kitchen). Strong picks here include Mute, Azami, Melusi and Mira.

Tower breach through the Stage wall
Attic hatch drops onto Meeting
Kitchen Corridor feeds both bomb rooms

Oregon 1F floor plan with Kitchen / Meeting Hall — 1F floor plan (official Ubisoft blueprint)

Oregon floor above Kitchen / Meeting Hall — The floor above

Breach walls

Stage wall, from Big Tower / Rear Stage.
Meeting wall, from Security Corridor / Lobby side.

Hatches and vertical play

Attic hatch (over Meeting Hall).
Kids hatch (over Kitchen).
Meeting Hall: the 2F Attic (over Meeting) with the Attic hatch; the rest of Meeting's ceiling is roof. Kitchen: 2F Kids' Dorms (breakable floor plus the Kids hatch).

Windows and outside play

Meeting Hall east windows.
Big Tower entries.
low: the fights are Big Tower, Stage and the Kitchen Corridor; Meeting's outside windows are used for peeks, not plants.

Rotations

Kitchen Corridor (Big Tower–Kitchen, added Y5S1).
Meeting–Kitchen through Kitchen Corridor.
Attic up to 2F.

Anchor spots

Kitchen by the Corridor.
Meeting by the split.
2F Attic.

Flanks

Kitchen Corridor and White / Freezer Stairs.

Best operators for Kitchen / Meeting Hall

Attack

Thermite.
Hibana.
Ace.
Buck.
Sledge.
Thatcher.

Defense

Kaid.
Bandit.
Mute.
Jäger.
Valkyrie.
Smoke.

Picks that work here

Mute: Strong anchor on Oregon.
Azami: Strong anchor on Oregon.
Melusi: Strong pick on Oregon.
Mira: Strong pick on Oregon.
Smoke: Strong anchor on Oregon.
Warden: Strong anchor on Oregon.
Kaid: Strong anchor on Oregon.
Clash: Strong anchor on Oregon.
Nomad: Strong anchor on Oregon.
Aruni: Strong pick on Oregon.
Fenrir: Strong intel on Oregon.
Valkyrie: Strong pick on Oregon.
Oryx: Strong roamer on Oregon.
Castle: Castles the split door and the Zig Hall hallway.
Frost: Strong anchor on Oregon.
Valkyrie: Camera in the Tower watches the main breach.
Kaid: Electroclaws on the attic walls stop both wall pushes at once.