Flood vulnerability components: Indicators, classes, and weightings
| Components | Indicators | Attributes | Data collection | Class | Weightings |
|---|---|---|---|---|---|
| Exposure | E1-Heritage Value (Davis et al., 2023; Miranda and Ferreira, 2019) | General heritage building | Document analysis from Heritage New Zealand Pouhere Taonga website (Heritage New Zealand Pouhere Taonga, 2023) | A | 10 |
| Significant heritage building | B | 40 | |||
| Outstanding heritage building | C | 70 | |||
| National heritage landmark | D | 100 | |||
| E2-Type of use (Martínez-Gomariz et al., 2020) | Educational/dwelling | - Heritage New Zealand Pouhere Taonga website (Heritage New Zealand Pouhere Taonga, 2023), - Site visits | A | 10 | |
| Commercial | B | 40 | |||
| Restaurant | C | 70 | |||
| Hotel/Religious | D | 100 | |||
| E3-Surface condition (Davis et al., 2023; D’Ayala et al., 2020) | Convex | Site visits, maps from Google Map and Google Earth, survey documents | A | 10 | |
| Flat and permeable | B | 40 | |||
| Flat and impermeable | C | 70 | |||
| Concave | D | 100 | |||
| Susceptibility | S1-Material (Davis et al., 2023; Schwarz and Maiwald, 2009; Miranda and Ferreira, 2019) | Reinforced concrete/Steel | Site visits, government statistics, literature | A | 10 |
| Unreinforced Masonry | B | 40 | |||
| Timber | C | 70 | |||
| Earth | D | 100 | |||
| S2-Condition (Stephenson and D’ayala, 2014) | No damage/cracking/dampness/decay | Site visits, survey documents | A | 10 | |
| Slight damage/cracking/dampness/decay | B | 40 | |||
| Generalised damage/cracking/dampness/decay | C | 70 | |||
| Significant damage/cracking/dampness/decay | D | 100 | |||
| S3-Number of storeys (Stephenson and D’ayala, 2014) | 1-storey | Site visits, Google maps | A | 10 | |
| 2-storey | B | 40 | |||
| 3-storey | C | 70 | |||
| 4-storey or more | D | 100 | |||
| S4-Building age (Miranda and Ferreira, 2019) | Between 20th to 21st century | Government statistics, literature, and information from EPB Register (MBIE, 2023) | A | 10 | |
| Between 19th to 20th century | B | 40 | |||
| Between 18th to 19th century | C | 70 | |||
| Before 18th century | D | 100 | |||
| S5-Wall orientation (Miranda and Ferreira, 2019) | Partially exposed to flow (with no openings) | Site visits, maps from Google Earth and Google Maps, survey documents | A | 10 | |
| Partially exposed to flow (with openings) | B | 40 | |||
| Fully exposed to flow (with no openings) | C | 70 | |||
| Fully exposed to flow (with openings) | D | 100 | |||
| S6-Finishing material of the façades (Davis et al., 2023; Gandini et al., 2020) | Steel/concrete/glazed tile/glass | Site visits, surveys, and documents | A | 10 | |
| Brick/plaster/regular dressed stone | B | 40 | |||
| Unglazed tile/irregular stone/wood panels | C | 70 | |||
| Earth/rubble stone | D | 100 | |||
| Resilience | R1-Drainage system condition (Gandini et al., 2020) | None | Site visits, literature | A | 0 |
| Poor | B | 40 | |||
| Fair | C | 70 | |||
| Good | D | 100 | |||
| R2-Previous interventions (Gandini et al., 2020) | None | Heritage New Zealand Pouhere Taonga website (Heritage New Zealand Pouhere Taonga, 2023), literature, site visits, and Government statistics | A | 0 | |
| Poor | B | 40 | |||
| Fair | C | 70 | |||
| Good | D | 100 |
| Components | Indicators | Attributes | Data collection | Class | Weightings |
|---|---|---|---|---|---|
| General heritage building | Document analysis from Heritage New Zealand Pouhere Taonga website ( | A | 10 | ||
| Significant heritage building | B | 40 | |||
| Outstanding heritage building | C | 70 | |||
| National heritage landmark | D | 100 | |||
| Educational/dwelling | - Heritage New Zealand | A | 10 | ||
| Commercial | B | 40 | |||
| Restaurant | C | 70 | |||
| Hotel/Religious | D | 100 | |||
| Convex | Site visits, maps from Google Map and Google Earth, survey documents | A | 10 | ||
| Flat and permeable | B | 40 | |||
| Flat and impermeable | C | 70 | |||
| Concave | D | 100 | |||
| Reinforced concrete/Steel | Site visits, government statistics, literature | A | 10 | ||
| Unreinforced Masonry | B | 40 | |||
| Timber | C | 70 | |||
| Earth | D | 100 | |||
| No damage/cracking/dampness/decay | Site visits, survey documents | A | 10 | ||
| Slight damage/cracking/dampness/decay | B | 40 | |||
| Generalised damage/cracking/dampness/decay | C | 70 | |||
| Significant damage/cracking/dampness/decay | D | 100 | |||
| 1-storey | Site visits, Google maps | A | 10 | ||
| 2-storey | B | 40 | |||
| 3-storey | C | 70 | |||
| 4-storey or more | D | 100 | |||
| Between 20th to 21st century | Government statistics, literature, and information from EPB Register ( | A | 10 | ||
| Between 19th to 20th century | B | 40 | |||
| Between 18th to 19th century | C | 70 | |||
| Before 18th century | D | 100 | |||
| Partially exposed to flow (with no openings) | Site visits, maps from Google Earth and Google Maps, survey documents | A | 10 | ||
| Partially exposed to flow (with openings) | B | 40 | |||
| Fully exposed to flow (with no openings) | C | 70 | |||
| Fully exposed to flow (with openings) | D | 100 | |||
| Steel/concrete/glazed tile/glass | Site visits, surveys, and documents | A | 10 | ||
| Brick/plaster/regular dressed stone | B | 40 | |||
| Unglazed tile/irregular stone/wood panels | C | 70 | |||
| Earth/rubble stone | D | 100 | |||
| None | Site visits, literature | A | 0 | ||
| Poor | B | 40 | |||
| Fair | C | 70 | |||
| Good | D | 100 | |||
| None | Heritage New Zealand Pouhere Taonga website ( | A | 0 | ||
| Poor | B | 40 | |||
| Fair | C | 70 | |||
| Good | D | 100 |