Specifications: (in meters)
- Length, N-S at upper wall: 3.75 m
- Width, E-W at upper wall: 4.10 m
- Length, N-S at floor: 3.25 m
- Width, E-W at floor: 3.30 m
- Depth below modern ground surface: 1.5 m
- Height of bench from floor: 0.75 m
- Height of pilaster from floor: 1.02 m
- Height of back wall from floor: 1.05 m
- Floor space: 9 square meters