B0069 · best infeasible · seed 2
B0069-nsga2-2-1494
NSGA-IID · violates 3 of 17 benchmark constraints (4 violations). Brief B0069
Plan drawing of a fourplex on a 16.4 by 23.7 metre lot, 2 storeys, 4 dwellings, 24 rooms. Dwelling U0 (1BR) has 5 rooms totalling 73 square metres. Dwelling U1 (1BR) has 5 rooms totalling 56 square metres. Dwelling U2 (2BR) has 6 rooms totalling 63 square metres. Dwelling U3 (2BR) has 6 rooms totalling 66 square metres. Building footprint 144 square metres; open space 244 square metres. This design is infeasible; failing categories: insufficient area, no street access. Objective scores, higher is better: density 0.96, daylight 0.45, privacy 0.77, circulation 0.58, carbon 0.78, cost 0.23.
Objective vector
Proxy scores in [0, 1], higher is better. Kept as a vector; there is no overall score.
- density
- 0.962
- daylight
- 0.451
- privacy
- 0.772
- circulation
- 0.576
- carbon
- 0.776
- cost
- 0.229
Reported quantities
- FAR proxy (GFA / lot)
- 0.74
- site utilisation
- 0.976
- gross floor area, m²
- 288.0
- footprint, m²
- 144.0
- carbon proxy, kgCO₂e/m² (A1–A3)
- 341
- cost index / m² (unitless)
- 2.95
- worst habitable room, daylight
- 0.184
- circulation share of GFA
- 22%
- open space, net of parking
- 59%
- courtyard void, m²
- 0.0
- plumbing stacks
- 7
- footprint corners
- 4
- preferred adjacencies met
- 75%
Benchmark constraints
Benchmark rules, not building code.
- C01geometry valid passed
- C02no overlap passed
- C03within buildable passed
- C04min room area failedbedroom_primary 10.6 < 11.0 m^2
- C05min room dimension passed
- C06max room aspect passed
- C07min unit area failed2BR 62.6 < 63.0 m^2
- C08unit connectivity passed
- C09street access failedentry not reachable from the streetentry not reachable from the street
- C10habitable daylight passed
- C11required adjacency passed
- C12forbidden door passed
- C13open space passed
- C14courtyard provision passed
- C15programme complete passed
- C16unit contiguity passed
- C17vertical support passed
Dwellings and rooms
| Dwelling | Type | Area m² | Rooms |
|---|---|---|---|
| U0 | 1BR | 72.9 | 5 |
| U1 | 1BR | 55.6 | 5 |
| U2 | 2BR | 62.6 | 6 |
| U3 | 2BR | 65.9 | 6 |
All 24 rooms
| Room | Type | Dwelling | Storey | m² | w × h m |
|---|---|---|---|---|---|
| CORE@0 | shared circulation | shared | 0 | 15.5 | 11.90 × 1.30 |
| CORE@1 | shared circulation | shared | 1 | 15.5 | 11.90 × 1.30 |
| U0@0#4 | bedroom primary | U0 | 0 | 11.6 | 3.50 × 3.30 |
| U0@0#3 | bathroom | U0 | 0 | 5.3 | 3.50 × 1.50 |
| U0@0#0 | entry | U0 | 0 | 21.0 | 3.50 × 6.00 |
| U0@0#2 | kitchen | U0 | 0 | 8.4 | 3.25 × 2.60 |
| U0@0#1 | living | U0 | 0 | 26.6 | 3.25 × 8.20 |
| U1@0#1 | living | U1 | 0 | 25.6 | 3.35 × 7.65 |
| U1@0#4 | bedroom primary | U1 | 0 | 10.6 | 3.35 × 3.15 |
| U1@0#2 | kitchen | U1 | 0 | 7.7 | 1.80 × 4.25 |
| U1@0#0 | entry | U1 | 0 | 4.2 | 1.80 × 2.35 |
| U1@0#3 | bathroom | U1 | 0 | 7.6 | 1.80 × 4.20 |
| U3@1#2 | kitchen | U3 | 1 | 6.3 | 2.95 × 2.15 |
| U3@1#5 | bedroom secondary | U3 | 1 | 10.0 | 2.95 × 3.40 |
| U3@1#4 | bedroom primary | U3 | 1 | 15.5 | 2.95 × 5.25 |
| U3@1#1 | living | U3 | 1 | 24.1 | 3.15 × 7.65 |
| U3@1#3 | bathroom | U3 | 1 | 6.1 | 1.95 × 3.15 |
| U3@1#0 | entry | U3 | 1 | 3.8 | 1.20 × 3.15 |
| U2@1#1 | living | U2 | 1 | 21.1 | 2.95 × 7.15 |
| U2@1#0 | entry | U2 | 1 | 4.7 | 2.95 × 1.60 |
| U2@1#3 | bathroom | U2 | 1 | 6.0 | 2.95 × 2.05 |
| U2@1#4 | bedroom primary | U2 | 1 | 15.4 | 2.85 × 5.40 |
| U2@1#2 | kitchen | U2 | 1 | 5.8 | 2.85 × 2.05 |
| U2@1#5 | bedroom secondary | U2 | 1 | 9.5 | 2.85 × 3.35 |