Datasets:
{
"classes": [
{
"id": "U01",
"name": "Dead Plants",
"domain": "Estate maintenance",
"injection_description": "Dead or dying plants in planters or garden areas",
"looks_like": [
"Fully brown, wilted, or dried-out plant in a planter or garden bed",
"Plant with no green foliage, clearly dead among otherwise healthy vegetation",
"Shrivelled or collapsed plant in a maintained public planter box"
],
"not_a_violation": [
"Healthy plants with natural seasonal yellowing or dry-climate-adapted sparse foliage",
"Recently pruned plants or shrubs that appear bare but are still alive",
"Dried flower heads on plants that are otherwise green and healthy"
]
},
{
"id": "U02",
"name": "Faulty Lights",
"domain": "Estate maintenance",
"injection_description": "Light fixtures that are damaged or not working",
"looks_like": [
"Light fixture with cracked, shattered, or missing cover or diffuser",
"Fixture that is clearly off while surrounding fixtures are on",
"Visibly burned-out, blackened, or flickering bulb in the fixture"
],
"not_a_violation": [
"Lights that are simply switched off because the area is not in use",
"Sensor-controlled lights that activate on motion only",
"Older-model fixtures that are dated but still intact and working"
]
},
{
"id": "U03",
"name": "Litter (Small)",
"domain": "Estate maintenance",
"injection_description": "Small pieces of litter scattered on the ground",
"looks_like": [
"Scattered small debris like food wrappers, tissue paper, or cigarette butts on the ground",
"Plastic bags, drink cups, or packaging strewn on footpaths or grass areas",
"Multiple small litter items visible in a public area"
],
"not_a_violation": [
"Leaves, twigs, or natural debris blown onto a path",
"A single small item that may have just been dropped (very minor)",
"Items in or immediately around a rubbish bin that is full"
]
},
{
"id": "U04",
"name": "Illegal Dumping of Waste (Large)",
"domain": "Estate maintenance",
"injection_description": "Large items or bulk waste dumped illegally in public areas",
"looks_like": [
"Mattresses, furniture, appliances, or large bags of rubbish dumped on grass verges or in void decks",
"Pile of construction debris or renovation waste left in a common area",
"Bulk household items abandoned outside of scheduled collection days"
],
"not_a_violation": [
"Items placed at designated bulk waste collection points during scheduled days",
"Furniture or items being actively moved during house moving",
"Public amenities like benches or planters that are part of the estate"
]
},
{
"id": "U05",
"name": "Dry Leaves",
"domain": "Estate maintenance",
"injection_description": "Accumulation of dry leaves on paths or common areas",
"looks_like": [
"Thick layer of dry, brown leaves covering a footpath or drain",
"Piles of uncleared leaves along walkways or building edges",
"Dry leaf accumulation blocking drain openings or filling corners"
],
"not_a_violation": [
"A few scattered fresh leaves that have just fallen from trees",
"Mulch or leaf litter in garden beds (intentional landscaping)",
"Leaves on the ground in a park or nature area where clearing is minimal by design"
]
},
{
"id": "U06",
"name": "Peeling Paint",
"domain": "Estate maintenance",
"injection_description": "Paint flaking, peeling, or blistering off surfaces",
"looks_like": [
"Paint visibly lifting, curling, or flaking off wall or ceiling surfaces",
"Patches where underlying plaster or previous paint layers are exposed",
"Bubbling paint that has separated from the substrate"
],
"not_a_violation": [
"Deliberate two-tone paint schemes or accent walls with different colours",
"Freshly painted areas that are a slightly different shade from the surrounding wall",
"Wet walls where water temporarily darkens the paint colour"
]
},
{
"id": "U07",
"name": "Spalling Concrete",
"domain": "Estate maintenance",
"injection_description": "Concrete surfaces with chunks flaking off, sometimes exposing rebar",
"looks_like": [
"Concrete with chunks flaking or breaking away from the surface",
"Exposed steel reinforcement (rebar) where concrete has spalled off",
"Pitted, crumbling concrete surface with visible aggregate or honeycombing"
],
"not_a_violation": [
"Exposed aggregate concrete that is an intentional decorative finish",
"Normal concrete surface texture from formwork patterns",
"Control joints or saw cuts in concrete that are part of the design"
]
},
{
"id": "U08",
"name": "Stained Floor",
"domain": "Estate maintenance",
"injection_description": "Floor surfaces with visible stains or discolouration",
"looks_like": [
"Dark or coloured stains on floor surfaces from spilled liquids or chemicals",
"Persistent discolouration that cleaning has not removed",
"Splatter patterns from paint, food, or other substances on the ground"
],
"not_a_violation": [
"Wet floors from recent mopping or rain (temporary, not a stain)",
"Patterned or terrazzo flooring with naturally varied colour",
"Floor markings for parking, safety zones, or directional guidance"
]
},
{
"id": "U09",
"name": "Algae Growth",
"domain": "Estate maintenance",
"injection_description": "Green algae or biological growth on building surfaces",
"looks_like": [
"Green or dark green patches on concrete walls, pillars, or floors",
"Slippery-looking green film on surfaces in shaded or damp areas",
"Streaky green growth following moisture runoff paths"
],
"not_a_violation": [
"Green paint or deliberately coloured surfaces",
"Moss on adjacent soil or planters that is not on the structure itself",
"Shadows from nearby plants that cast a greenish tint"
]
},
{
"id": "U10",
"name": "Uneven Ground",
"domain": "Estate maintenance",
"injection_description": "Ground surface with raised, sunken, or uneven sections",
"looks_like": [
"Paving slabs or blocks that have heaved or sunk, creating trip hazards",
"Visible step between adjacent footpath sections",
"Ground that has settled unevenly, creating depressions or humps"
],
"not_a_violation": [
"Intentional ramps or grade changes at crossings and building entrances",
"Cobblestone or brick paving with naturally uneven surface texture",
"Gentle slopes for drainage that are uniform across the path"
]
},
{
"id": "U11",
"name": "Weeds",
"domain": "Estate maintenance",
"injection_description": "Weed growth through cracks or along edges of paved areas",
"looks_like": [
"Plants growing through cracks in pavement, along kerbs, or at wall bases",
"Dense weed clusters at the edges of footpaths or in expansion joints",
"Grass or invasive plants sprouting through tiled or concrete surfaces"
],
"not_a_violation": [
"Intentional ground cover plants in garden beds beside paths",
"Grass growing in designated turf areas",
"Creeping plants on designated green walls or planter edges"
]
},
{
"id": "U12",
"name": "Damaged Playgrounds or Fitness Facilities",
"domain": "Estate maintenance",
"injection_description": "Playground or fitness equipment that is broken or unsafe",
"looks_like": [
"Broken swing seats, chains, or climbing structures",
"Fitness equipment with missing handles, cracked surfaces, or bent frames",
"Playground structures with exposed sharp edges or missing safety covers"
],
"not_a_violation": [
"Equipment that is simply an older design or model but fully functional",
"Rubber safety surfacing that is dirty but intact",
"Equipment with minor cosmetic wear that does not affect safety"
]
},
{
"id": "U13",
"name": "Damaged Common Areas",
"domain": "Estate maintenance",
"injection_description": "Damage to walls, floors, ceilings, or structures in common areas",
"looks_like": [
"Cracked or broken walls, pillars, or floors in void decks or corridors",
"Damaged ceiling panels or fittings in common walkways",
"Structural damage to shelters, covered linkways, or communal spaces"
],
"not_a_violation": [
"Normal wear marks on high-traffic surfaces",
"Construction areas with temporary barriers (active work in progress)",
"Older finishes that are dated but not structurally damaged"
]
},
{
"id": "U14",
"name": "Damaged Footpath",
"domain": "Estate maintenance",
"injection_description": "Footpath surface with cracks, holes, or missing sections",
"looks_like": [
"Cracks, holes, or broken sections in a pedestrian footpath",
"Missing paving slabs or tiles exposing the subbase",
"Footpath surface broken up by root intrusion or settlement"
],
"not_a_violation": [
"Tactile ground indicators (raised dots) for visually impaired guidance",
"Drainage channels or slots built into the footpath",
"Normal grout lines or joins between paving slabs"
]
},
{
"id": "U15",
"name": "Vandalism",
"domain": "Estate maintenance",
"injection_description": "Graffiti, scratch marks, or deliberate defacement of public property",
"looks_like": [
"Spray-painted tags, symbols, or drawings on walls or structures",
"Deep scratches or etchings on glass, metal, or plastic surfaces",
"Stickers, paste-ups, or marker scrawls that are clearly not official"
],
"not_a_violation": [
"Official government notices, block numbers, or directional signage",
"Commissioned murals or community art installations",
"Contractor utility markings (spray-painted pipe routes, survey marks)"
]
},
{
"id": "U16",
"name": "Damaged Railings",
"domain": "Estate maintenance",
"injection_description": "Railings that are bent, broken, or structurally compromised",
"looks_like": [
"Railing sections that are bent, broken, or missing",
"Railing posts tilting or wobbling at their base connections",
"Corroded railings with rust-through sections or missing bolts"
],
"not_a_violation": [
"Minor surface scratches or paint wear on railings from normal use",
"Intentionally flexible cable railings",
"Railings that change height at landings (code-compliant transitions)"
]
},
{
"id": "U17",
"name": "Overflowing Litter Bins",
"domain": "Estate maintenance",
"injection_description": "Rubbish bins filled beyond capacity with waste spilling out",
"looks_like": [
"Bin with rubbish piled above the rim and spilling onto the ground",
"Waste bags stacked on top of or around a full bin",
"Loose litter scattered around the base of an overloaded bin"
],
"not_a_violation": [
"Bins that are full but not overflowing (waste is at rim level)",
"Recycling bins with items stacked neatly beside them during collection",
"Temporary extra waste near bins during public events"
]
},
{
"id": "U18",
"name": "Unauthorized Advertisements (Stickers, Pamphlets)",
"domain": "Estate maintenance",
"injection_description": "Illegal stickers, flyers, or posters on public surfaces",
"looks_like": [
"Commercial stickers or flyers stuck on lamp posts, pillars, or walls",
"Pamphlets or posters pasted on void deck pillars or mailbox areas",
"Adhesive residue and torn paper from multiple layers of illegal postings"
],
"not_a_violation": [
"Official notice boards with authorized community postings",
"Government or town council notices on designated display areas",
"Property management notices at building entrances"
]
},
{
"id": "U19",
"name": "Rusted Structures/Fixtures",
"domain": "Estate maintenance",
"injection_description": "Metal structures or fixtures showing significant corrosion",
"looks_like": [
"Orange-brown rust patches eating through paint on metal fixtures",
"Flaking rust with pitting on railings, gates, or structural elements",
"Rust stains dripping from corroded metal onto adjacent surfaces"
],
"not_a_violation": [
"Bronze or corten steel finishes that are intentionally brown or weathered",
"Dirt or mud on metal surfaces that could be mistaken for rust",
"Freshly painted structures with a brown or dark colour"
]
},
{
"id": "U20",
"name": "Cracked/Broken Tiles",
"domain": "Estate maintenance",
"injection_description": "Floor or wall tiles with cracks, chips, or displacement",
"looks_like": [
"Tiles with visible cracks running across the surface",
"Tiles with chips or pieces missing, exposing the substrate",
"Tiles that have shifted or are sunken relative to their neighbours"
],
"not_a_violation": [
"Normal grout lines between tiles, even if discoloured",
"Tiles with intentional decorative patterns or crackle-glaze finishes",
"Expansion gaps at edges or transitions between tile sections"
]
},
{
"id": "U21",
"name": "Water Seepage Stains (External Walls)",
"domain": "Estate maintenance",
"injection_description": "Dark water trail patterns on external building walls",
"looks_like": [
"Brownish or dark vertical streaks running down from a water source",
"Tide-mark patterns on walls showing where water has pooled or receded",
"Persistent damp patches with mineral deposits along their edges"
],
"not_a_violation": [
"Shadows cast by overhead structures, pipes, or ledges",
"Intentional colour variation in decorative wall finishes",
"Walls that are wet from recent rain but show no staining"
]
},
{
"id": "U22",
"name": "Damaged Signage (Estate Wayfinding)",
"domain": "Estate maintenance",
"injection_description": "Estate wayfinding or block signs that are broken or faded",
"looks_like": [
"Block number or directional sign that is cracked, bent, or broken",
"Wayfinding sign with severely faded text that is hard to read",
"Sign panel that has fallen off or is hanging by one mount"
],
"not_a_violation": [
"Signs that are an older style but still legible and intact",
"Temporary signage during estate upgrading or construction",
"Signs that appear faded in sunlight but are readable up close"
]
},
{
"id": "U23",
"name": "Broken Benches",
"domain": "Estate maintenance",
"injection_description": "Public benches with broken, missing, or severely worn parts",
"looks_like": [
"Bench with cracked, snapped, or missing seat slats",
"Bench frame that has collapsed or is structurally compromised",
"Splintered or sharp edges from broken bench components"
],
"not_a_violation": [
"Benches with spaced slat design (gaps between slats are intentional)",
"Weathered but structurally intact benches",
"Stone or concrete benches with natural patina and minor cosmetic wear"
]
},
{
"id": "U24",
"name": "Clogged/Dirty Roof Gutters",
"domain": "Estate maintenance",
"injection_description": "Roof gutters blocked with debris or plant growth",
"looks_like": [
"Gutter filled with leaves, twigs, dirt, or plant growth",
"Visible overflow or water stains below a gutter line indicating blockage",
"Vegetation sprouting from inside the gutter channel"
],
"not_a_violation": [
"Gutters that are simply old or have surface discolouration",
"Rain flowing through a gutter normally during heavy rain",
"Decorative planter boxes mounted below or near gutters"
]
},
{
"id": "U25",
"name": "Dirty Lifts/Lift Lobby",
"domain": "Estate maintenance",
"injection_description": "Lifts or lift lobbies with visible grime or stains",
"looks_like": [
"Lift interior with grime, stains, or sticky residue on walls, floor, or buttons",
"Lift lobby floor with persistent stains, spills, or dirty footprints",
"Lift doors or panels with smudges, marks, or accumulated dirt"
],
"not_a_violation": [
"Normal wear marks on lift buttons or door edges from daily use",
"Lift interiors that are older but clean",
"Wet floor in the lift lobby from recent mopping"
]
},
{
"id": "U26",
"name": "National Flag Issues",
"domain": "Estate maintenance",
"injection_description": "National flag displayed improperly, damaged, or in disrepair",
"looks_like": [
"Torn, tattered, or severely faded national flag on display",
"Flag hung upside down, tangled, or in a condition unbecoming of a national symbol",
"Flag left out in deteriorated condition well past the display period"
],
"not_a_violation": [
"Properly displayed national flags during the permitted period (Jul-Sep)",
"Flags showing minor wear consistent with outdoor display",
"Other decorative banners or community flags"
]
},
{
"id": "U27",
"name": "Pipe Burst/Water Leak",
"domain": "Estate maintenance",
"injection_description": "Water spraying, dripping, or pooling from a burst or leaking pipe",
"looks_like": [
"Water spraying or streaming from a visible pipe break",
"Persistent drip from a pipe joint or valve with wet patch below",
"Unexplained puddle or water flow traceable to a pipe or fitting"
],
"not_a_violation": [
"Condensation dripping from air-conditioning units (normal in Singapore's humidity)",
"Water from recent rain pooling near pipe fixtures",
"Hose or tap left running intentionally for cleaning"
]
},
{
"id": "U28",
"name": "Stained Footpath",
"domain": "Roads and footpaths",
"injection_description": "Footpath surfaces with persistent stains or marks",
"looks_like": [
"Dark or coloured stains on pavement from spilled substances",
"Oil, paint, or chemical marks on walking surfaces",
"Persistent tyre marks or scuff stains on footpaths"
],
"not_a_violation": [
"Wet pavement from recent rain or washing",
"Natural colour variation in paving materials",
"Footpath markings for utilities or construction (spray paint by contractors)"
]
},
{
"id": "U29",
"name": "Faulty Street Lights",
"domain": "Roads and footpaths",
"injection_description": "Street lights that are damaged or not functioning",
"looks_like": [
"Streetlight that is off at night while adjacent lights are on",
"Streetlight flickering or emitting inconsistent light",
"Streetlight pole with a cracked, hanging, or missing luminaire"
],
"not_a_violation": [
"Streetlights with different colour temperatures from LED upgrades",
"Newly installed streetlight poles not yet commissioned",
"Streetlights on during daytime for testing (rare but intentional)"
]
},
{
"id": "U30",
"name": "Damaged Curbs",
"domain": "Roads and footpaths",
"injection_description": "Kerb stones that are chipped, cracked, or displaced",
"looks_like": [
"Kerb stones with chunks broken off or large cracks",
"Kerbs that have shifted out of alignment or are leaning",
"Missing kerb sections where the road edge is exposed"
],
"not_a_violation": [
"Dropped kerbs at pedestrian crossings (intentionally lower)",
"Kerbs with minor surface scratches from tyre contact",
"Granite or natural stone kerbs with natural colour variations"
]
},
{
"id": "U31",
"name": "Damaged Road Signs",
"domain": "Roads and footpaths",
"injection_description": "Road or traffic signs that are bent, broken, or unreadable",
"looks_like": [
"Traffic sign bent at a sharp angle from impact damage",
"Sign with a large dent, crack, or hole obscuring the message",
"Sign post leaning significantly from its intended vertical position"
],
"not_a_violation": [
"Sign that is simply faded but still legible",
"Temporary detour signs that appear makeshift but are intentionally placed",
"Small stickers on a sign that do not obscure the message"
]
},
{
"id": "U32",
"name": "Faded Markings",
"domain": "Roads and footpaths",
"injection_description": "Road or carpark markings that are barely visible",
"looks_like": [
"Lane markings, zebra crossings, or arrows that are barely visible",
"Yellow box junctions or parking lot lines that have worn to faint traces",
"Directional arrows or text on road surfaces that are hard to read"
],
"not_a_violation": [
"Freshly painted markings that are simply a lighter colour",
"Roads that intentionally have no markings (service roads, minor lanes)",
"Markings partially hidden by parked vehicles"
]
},
{
"id": "U33",
"name": "Potholes",
"domain": "Roads and footpaths",
"injection_description": "Holes or depressions in road or carpark surfaces",
"looks_like": [
"A bowl-shaped hole in the asphalt or concrete surface",
"Road surface broken open with loose aggregate or standing water inside",
"Depression where the surface layer has worn away completely"
],
"not_a_violation": [
"Manhole covers or drain grates that are slightly recessed (by design)",
"Road humps or speed bumps creating intentional elevation changes",
"Puddles on a flat surface after rain (no actual surface damage)"
]
},
{
"id": "U34",
"name": "Flooded Streets",
"domain": "Roads and footpaths",
"injection_description": "Roads or paths with significant standing water or flooding",
"looks_like": [
"Standing water covering a road surface above kerb level",
"Water flowing across a road from overwhelmed drains",
"Vehicles navigating through water that covers the road surface"
],
"not_a_violation": [
"Puddles after rain that are confined to low spots and draining",
"Wet road surfaces during or just after rain without standing water",
"Water features or fountains near roads"
]
},
{
"id": "U35",
"name": "Cracked Footpath",
"domain": "Roads and footpaths",
"injection_description": "Footpath with visible cracks in the surface",
"looks_like": [
"Linear or branching cracks across the footpath surface",
"Cracks wide enough to catch shoe heels or wheelchair wheels",
"Network of cracks indicating structural failure of the path base"
],
"not_a_violation": [
"Expansion joints or control joints in concrete paths (intentional)",
"Tar-sealed cracks that have already been repaired (black lines)",
"Textured paving with intentional grooves for drainage or grip"
]
},
{
"id": "U36",
"name": "Damaged/Missing Tactile Ground Surface Indicators",
"domain": "Roads and footpaths",
"injection_description": "Yellow tactile tiles for visually impaired that are damaged or missing",
"looks_like": [
"Missing yellow tactile tiles leaving gaps in the guidance path",
"Tactile tiles that are cracked, broken, or worn smooth",
"Misaligned or sunken tactile indicators creating discontinuity"
],
"not_a_violation": [
"Tactile tiles that are dirty but intact and functional",
"Areas where tactile tiles are not required (not all paths have them)",
"Different styles of tactile tiles at transitions between zones"
]
},
{
"id": "U37",
"name": "Tree Root Uplift on Footpath",
"domain": "Roads and footpaths",
"injection_description": "Tree roots lifting or cracking the footpath surface",
"looks_like": [
"Footpath sections heaved upward by tree roots visible underneath",
"Cracked pavement with root bulges pushing through the surface",
"Uneven step between path sections caused by root growth"
],
"not_a_violation": [
"Surface roots visible in garden beds or unpaved areas beside the path",
"Intentional tree grates or root zones built around large trees",
"Slight slope in path due to terrain, not root damage"
]
},
{
"id": "U38",
"name": "Damaged Bollards",
"domain": "Roads and footpaths",
"injection_description": "Bollards that are bent, broken, or displaced",
"looks_like": [
"Bollard leaning at a sharp angle from vehicle impact",
"Bollard with the top section broken off or missing",
"Flexible bollard that has been permanently deformed"
],
"not_a_violation": [
"Flexible bollards that lean when touched but return to upright (by design)",
"Retractable bollards in their lowered position",
"Bollards with minor paint scuffs from normal contact"
]
},
{
"id": "U39",
"name": "Dead Animals",
"domain": "Animals",
"injection_description": "Dead animals found in public areas",
"looks_like": [
"Dead bird, cat, rat, or other animal on a footpath or road",
"Animal carcass on grass verge or in a public area",
"Dead animal in or near a drain or water body"
],
"not_a_violation": [
"Live animals resting or sleeping in unusual positions",
"Discarded toys or objects that resemble animals from a distance",
"Shed feathers or fur without an actual carcass"
]
},
{
"id": "U40",
"name": "Injured Animals",
"domain": "Animals",
"injection_description": "Animals showing signs of injury or distress in public areas",
"looks_like": [
"Bird with a broken wing unable to fly, on the ground",
"Cat or dog limping or showing visible wounds",
"Animal trapped in a fence, drain, or structure"
],
"not_a_violation": [
"Animals resting normally in shade or sheltered areas",
"Healthy stray cats grooming or stretching in unusual poses",
"Birds hopping on the ground (many ground-feeding species do this normally)"
]
},
{
"id": "U41",
"name": "Bird Congregation",
"domain": "Animals",
"injection_description": "Large flock of birds gathered on the ground in a public area",
"looks_like": [
"Large group of pigeons, mynahs, or crows gathered on pavement or grass",
"Flock of birds congregating near food sources, bins, or hawker areas",
"Dense bird gathering creating droppings or noise nuisance"
],
"not_a_violation": [
"A few birds perched on structures or walking on grass (normal presence)",
"Birds in designated bird habitats or park wetlands",
"Decorative bird sculptures or deterrent decoys"
]
},
{
"id": "U42",
"name": "Wild Boar Sighting",
"domain": "Animals",
"injection_description": "Wild boar visible in an urban area",
"looks_like": [
"Wild boar (dark-furred, stocky animal with a snout) on a path or near buildings",
"Group of wild boars including piglets in a park or residential area",
"Wild boar rooting or foraging near urban infrastructure"
],
"not_a_violation": [
"Domestic dogs, especially dark-furred breeds, seen from a distance",
"Sculptures or decorative animal statues in parks",
"Dark-coloured objects on the ground resembling an animal shape"
]
},
{
"id": "U43",
"name": "Otter Sighting",
"domain": "Animals",
"injection_description": "Otters visible in or near urban waterways",
"looks_like": [
"Smooth-coated otters on canal banks, park connectors, or reservoir edges",
"Group of otters swimming in an urban waterway",
"Otters crossing a road or footpath near a water body"
],
"not_a_violation": [
"Monitor lizards near water bodies",
"Ducks, herons, or other waterbirds near urban water features",
"Floating debris that could resemble animal movement in water"
]
},
{
"id": "U44",
"name": "Monkey Sighting",
"domain": "Animals",
"injection_description": "Monkeys (macaques) in an urban setting",
"looks_like": [
"Long-tailed macaque on a railing, roof, or walkway near buildings",
"Group of monkeys near rubbish bins, food stalls, or park facilities",
"Monkey interacting with urban furniture or rummaging through items"
],
"not_a_violation": [
"Squirrels or other small animals on trees or structures",
"Birds perched on railings or rooftops",
"Statues or decorative figures depicting monkeys"
]
},
{
"id": "U45",
"name": "Rodents in Common Areas",
"domain": "Pests",
"injection_description": "Rats or mice visible in residential or public common areas",
"looks_like": [
"Rat or mouse visible on the ground, in drains, or along walls",
"Rat droppings along wall edges, near bins, or in void decks",
"Gnaw marks on cables, pipes, or refuse bags"
],
"not_a_violation": [
"Small dark seeds, berries, or plant debris that resemble droppings",
"Squirrels or shrews (smaller, non-pest species)",
"Worn cables or pipes from general weathering, not gnawing"
]
},
{
"id": "U46",
"name": "Rodents in Food Establishments",
"domain": "Pests",
"injection_description": "Rats or mice near food preparation or dining areas",
"looks_like": [
"Rat visible near a hawker stall, restaurant, or food court area",
"Rodent droppings on food preparation surfaces or dining areas",
"Gnaw marks on food storage areas or packaging near eateries"
],
"not_a_violation": [
"Small insects near food areas (not rodents)",
"Dark marks or grease stains on surfaces that resemble droppings",
"Pet hamsters or guinea pigs in a residential context"
]
},
{
"id": "U47",
"name": "Bees and Hornet Nests",
"domain": "Pests",
"injection_description": "Bee or hornet nests on public structures",
"looks_like": [
"Paper wasp or hornet nest attached to eaves, beams, or void deck ceilings",
"Beehive or swarm clustered on a tree branch or building surface",
"Dense insect activity around a nest structure on a building"
],
"not_a_violation": [
"Mud dauber wasp tubes (small, non-aggressive, low risk)",
"Bird nests in similar locations (different shape and material)",
"Abandoned nests that are clearly old and empty"
]
},
{
"id": "U48",
"name": "Cockroaches in Food Establishments",
"domain": "Pests",
"injection_description": "Cockroaches visible near food preparation or dining areas",
"looks_like": [
"Live cockroaches on walls, floors, or surfaces in food establishments",
"Cockroach droppings or egg cases near food areas",
"Multiple cockroaches emerging from drains or crevices in dining spaces"
],
"not_a_violation": [
"Dark beetles or other non-cockroach insects near food areas",
"Coffee grounds or dark food particles on surfaces",
"Insects on outdoor food court surfaces (minor, isolated presence)"
]
},
{
"id": "U49",
"name": "Mosquito Breeding (Stagnant Water)",
"domain": "Pests",
"injection_description": "Standing water providing mosquito breeding conditions",
"looks_like": [
"Stagnant water in discarded containers, tyres, or flower pot saucers",
"Choked roof gutters or drains holding standing water",
"Unused items (buckets, bottles, pails) collecting rainwater in common areas"
],
"not_a_violation": [
"Ornamental ponds or water features with flowing water or fish",
"Rain puddles on flat surfaces that will dry out naturally",
"Covered water storage containers"
]
},
{
"id": "U50",
"name": "Termite Activity (Mud Tubes)",
"domain": "Pests",
"injection_description": "Termite mud tubes visible on walls or structures",
"looks_like": [
"Brown or tan mud tubes running up walls, pillars, or door frames",
"Wood that appears hollowed out with papery texture",
"Discarded termite wings near windows or light sources"
],
"not_a_violation": [
"Normal wood grain patterns or knots creating irregular textures",
"Water damage causing wood to swell or crack (different from termite damage)",
"Ant trails on walls (ants do not build mud tubes)"
]
},
{
"id": "U51",
"name": "Bird Droppings Accumulation",
"domain": "Pests",
"injection_description": "Heavy accumulation of bird droppings on structures",
"looks_like": [
"White-grey droppings covering ledges, beams, or walkways below roosting sites",
"Thick crusted droppings on railings, canopies, or building surfaces",
"Splash patterns on the ground below a bird roosting area"
],
"not_a_violation": [
"White paint drips or splashes from maintenance work",
"A single or few isolated bird droppings (normal in outdoor areas)",
"Anti-pigeon spikes or nets on ledges (these are preventive measures)"
]
},
{
"id": "U52",
"name": "Ant Trails/Nests in Common Areas",
"domain": "Pests",
"injection_description": "Visible ant trails or nesting activity in common areas",
"looks_like": [
"Dense ant trails along walls, floors, or structural joints",
"Ant mounds or nesting material visible in cracks or at ground level",
"Large numbers of ants concentrated around food sources or entry points"
],
"not_a_violation": [
"A few scattered ants (normal presence, not an infestation)",
"Dark lines of dirt or debris in cracks that resemble ant trails",
"Termite mud tubes on walls (covered under U50)"
]
},
{
"id": "U53",
"name": "Fallen Trees or Tree Branches",
"domain": "Parks and greenery",
"injection_description": "Trees or large branches that have fallen in a public area",
"looks_like": [
"Tree trunk or large branch lying across a path, road, or public area",
"Broken branch hanging precariously from a tree",
"Uprooted tree with exposed root ball blocking an area"
],
"not_a_violation": [
"Pruned branches stacked neatly after authorized tree trimming",
"Logs or stumps left intentionally as park features or seating",
"Small twigs or leaf debris on the ground after a storm"
]
},
{
"id": "U54",
"name": "Overgrown Grass",
"domain": "Parks and greenery",
"injection_description": "Grass that has grown significantly beyond maintained height",
"looks_like": [
"Grass that is tall enough to obscure kerbs, paths, or signage",
"Unkempt turf areas where grass has grown past knee height",
"Dense overgrown grass encroaching onto footpaths or drains"
],
"not_a_violation": [
"Lush tropical grass that is maintained but dense",
"Ornamental tall grasses planted intentionally in landscape design",
"Grass that has just been recently mown (clippings still visible)"
]
},
{
"id": "U55",
"name": "Faulty Lighting in Park",
"domain": "Parks and greenery",
"injection_description": "Park lights that are not working or damaged",
"looks_like": [
"Park lamp that is off at night while adjacent ones are on",
"Park light fixture with cracked or missing cover",
"Lamp post with a dangling or tilted luminaire"
],
"not_a_violation": [
"Park lights that are off during daytime (normal scheduling)",
"Solar-powered lights that are dim in early evening (charging)",
"Decorative low-level path lighting that appears dim by design"
]
},
{
"id": "U56",
"name": "Damaged Facilities in Park",
"domain": "Parks and greenery",
"injection_description": "Park structures or amenities that are broken or in disrepair",
"looks_like": [
"Broken pergola, shelter, or gazebo structure in a park",
"Damaged park tables, BBQ pits, or water fountains",
"Park bridge or boardwalk with broken planks or missing railings"
],
"not_a_violation": [
"Older park facilities that are dated but still functional",
"Facilities temporarily closed for scheduled maintenance",
"Natural-looking park features made from rough timber or stone"
]
},
{
"id": "U57",
"name": "Flooding on Boardwalks",
"domain": "Parks and greenery",
"injection_description": "Water covering boardwalk or elevated walkway surfaces",
"looks_like": [
"Standing water on a park boardwalk making it impassable",
"Water flowing over a boardwalk surface from heavy rain or tidal surge",
"Submerged sections of a wooden or composite boardwalk"
],
"not_a_violation": [
"Wet boardwalk surface after rain that is still walkable",
"Boardwalks designed to be at water level (mangrove boardwalks)",
"Splash from nearby water features or fountains"
]
},
{
"id": "U58",
"name": "Tree Root Exposure/Erosion",
"domain": "Parks and greenery",
"injection_description": "Tree roots exposed due to soil erosion in park areas",
"looks_like": [
"Tree roots exposed on slopes or paths due to soil wash-away",
"Eroded soil around tree bases revealing root systems",
"Trip hazard from roots protruding above a park path surface"
],
"not_a_violation": [
"Buttress roots of tropical trees that naturally grow above ground",
"Root zones in forested nature reserves (expected in natural areas)",
"Exposed roots in designated nature trails where terrain is unmanaged"
]
},
{
"id": "U59",
"name": "Overhanging Branches over Footpath/Road",
"domain": "Parks and greenery",
"injection_description": "Tree branches hanging low over a path or road",
"looks_like": [
"Branch hanging low enough to obstruct pedestrians or vehicles",
"Tree canopy sagging over a footpath reducing clearance",
"Broken branch dangling over a public path"
],
"not_a_violation": [
"Tree canopy high above a road providing shade (adequate clearance)",
"Trees with naturally drooping form (e.g., weeping fig) with clear headroom",
"Branches extending over paths but above head height"
]
},
{
"id": "U60",
"name": "Abandoned Illegal Parking of Bicycles",
"domain": "Abandoned equipment",
"injection_description": "Derelict or illegally parked bicycles left unattended",
"looks_like": [
"Rusty bicycle with flat tyres and dust, clearly abandoned for a long time",
"Bicycle locked to a railing or tree outside designated parking",
"Multiple derelict bicycles cluttering a rack or common area"
],
"not_a_violation": [
"Bicycles properly parked in designated racks or zones",
"Shared bicycles (SG Bike, Anywheel) in their designated areas",
"Bicycles temporarily parked by active riders (no signs of abandonment)"
]
},
{
"id": "U61",
"name": "Abandoned Trolleys",
"domain": "Abandoned equipment",
"injection_description": "Supermarket or shopping trolleys left in public areas",
"looks_like": [
"Supermarket trolley abandoned on a footpath, in a park, or at a void deck",
"Shopping trolley left in a drain, canal, or water body",
"Multiple trolleys dumped in a public area far from any shop"
],
"not_a_violation": [
"Trolleys in a supermarket car park or near a store entrance",
"Trolley return bays or collection points",
"Delivery trolleys being actively used by workers"
]
},
{
"id": "U62",
"name": "Illegal Parking at Road",
"domain": "Illegal parking",
"injection_description": "Vehicle parked illegally on a road or restricted area",
"looks_like": [
"Car parked on double yellow lines, a bus stop, or a pedestrian crossing",
"Vehicle blocking a fire access road or emergency lane",
"Car parked on a footpath, grass verge, or no-parking zone"
],
"not_a_violation": [
"Cars parked in proper marked lots or authorized bays",
"Vehicles temporarily stopped for loading/unloading with hazard lights",
"Emergency or government vehicles in restricted zones (authorized)"
]
},
{
"id": "U63",
"name": "Illegal Parking at Car Park",
"domain": "Illegal parking",
"injection_description": "Vehicle parked illegally within a car park",
"looks_like": [
"Car parked across multiple lots or outside marked boundaries",
"Vehicle blocking the car park access road or ramp",
"Car parked in a reserved lot (handicap, season) without authorization"
],
"not_a_violation": [
"Cars parked properly within marked lot boundaries",
"Vehicles in lots that appear tight but are within the lines",
"Empty lots that simply appear narrow by design"
]
},
{
"id": "U64",
"name": "Illegal Parking at Void Deck (Motorcycle)",
"domain": "Illegal parking",
"injection_description": "Motorcycle parked in a void deck or non-designated area",
"looks_like": [
"Motorcycle parked inside a void deck area",
"Motorcycle blocking a pedestrian walkway or corridor",
"Multiple motorcycles parked on pavements outside marked lots"
],
"not_a_violation": [
"Motorcycles in designated motorcycle parking lots (white/yellow marked)",
"Motorcycle being actively mounted or dismounted by the rider",
"Delivery motorcycles briefly stopped near void deck for parcel handoff"
]
},
{
"id": "U65",
"name": "Choked Drains",
"domain": "Drains and sewers",
"injection_description": "Drains blocked by debris, leaves, or rubbish",
"looks_like": [
"Drain grating covered with leaves, rubbish, or sediment preventing water flow",
"Standing water above a drain that should be flowing freely",
"Visible accumulation of debris in a drain channel"
],
"not_a_violation": [
"Drain with a fine grate designed to filter debris (small openings by design)",
"Empty drain with no water flowing (dry weather, drain is simply empty)",
"Leaf litter near a drain that has not yet accumulated on the grate"
]
},
{
"id": "U66",
"name": "Damaged Drains",
"domain": "Drains and sewers",
"injection_description": "Drain structures that are cracked, broken, or collapsed",
"looks_like": [
"Concrete drain channel with large cracks or broken walls",
"Collapsed section of a drain exposing earth below",
"Drain cover with missing pieces or a broken frame"
],
"not_a_violation": [
"Drains that are stained or dirty but structurally intact",
"Open channel drains designed without covers (V-drain, monsoon drain)",
"Construction joints in drain sections that are intentional"
]
},
{
"id": "U67",
"name": "Flooding",
"domain": "Drains and sewers",
"injection_description": "Water overflowing from drains or accumulating in low areas",
"looks_like": [
"Water flowing over drain edges onto adjacent surfaces",
"Low-lying area flooded with water that is not draining away",
"Drain surcharging with water backing up through openings"
],
"not_a_violation": [
"Water flowing normally through a drain during heavy rain",
"Puddles near drains after rain that are receding normally",
"Temporary ponding during intense rainfall in designed retention areas"
]
},
{
"id": "U68",
"name": "Silty Discharge",
"domain": "Drains and sewers",
"injection_description": "Brown or turbid water being discharged into drains or waterways",
"looks_like": [
"Brown or muddy water flowing into a drain from a construction site or property",
"Turbid discharge creating a visible colour contrast with clean water",
"Silt or sediment accumulated at a drain outfall"
],
"not_a_violation": [
"Naturally turbid water during or after heavy rain (stormwater runoff)",
"Tea-coloured water in forested areas (tannins from leaf litter)",
"Clean water with an earthy tint from flowing through soil"
]
},
{
"id": "U69",
"name": "Missing Manhole/Drain Gratings",
"domain": "Drains and sewers",
"injection_description": "Manhole covers or drain gratings that are missing, leaving an open hole",
"looks_like": [
"Open manhole or drain opening with no cover in place",
"Partially missing grating leaving a gap large enough to step into",
"Temporary makeshift covering over an open drain or manhole"
],
"not_a_violation": [
"Manhole covers that are present but slightly recessed or raised",
"Open-channel drains designed without covers",
"Grated covers with large openings that are the standard design"
]
},
{
"id": "U70",
"name": "Rusty/Corroded Drain Covers",
"domain": "Drains and sewers",
"injection_description": "Metal drain covers showing significant rust or corrosion",
"looks_like": [
"Orange-brown rust visible across the drain cover surface",
"Rust-through holes or weakened sections in a metal grate",
"Rust stains spreading from the drain cover onto adjacent concrete"
],
"not_a_violation": [
"Cast iron drain covers with a naturally dark patina (not active rust)",
"Drain covers that are simply dirty with soil or sediment",
"Corten steel covers designed to have a rusted appearance"
]
},
{
"id": "U71",
"name": "Plant Waste in Water",
"domain": "Water bodies",
"injection_description": "Floating vegetation or plant debris in a water body",
"looks_like": [
"Dense mat of dead leaves, branches, or cut vegetation floating on water",
"Accumulation of plant waste at a drain outfall or canal bend",
"Water surface largely covered by floating vegetation debris"
],
"not_a_violation": [
"Water lilies, lotus, or other aquatic plants growing naturally",
"A few fallen leaves floating on the water surface (normal)",
"Floating wetland installations for water treatment"
]
},
{
"id": "U72",
"name": "Floating Litter/Debris in Water",
"domain": "Water bodies",
"injection_description": "Rubbish or non-organic debris floating in a water body",
"looks_like": [
"Plastic bags, bottles, food packaging, or styrofoam floating on water",
"Accumulation of rubbish at a drain outfall or along canal edges",
"Construction waste or household items in a waterway"
],
"not_a_violation": [
"Fallen leaves, twigs, or flower petals floating naturally",
"Floating barriers or booms placed for debris control",
"Aquatic plants or seed pods on the water surface"
]
},
{
"id": "U73",
"name": "Oily Sheen on Water",
"domain": "Water bodies",
"injection_description": "Oil or petroleum film visible on the water surface",
"looks_like": [
"Rainbow-coloured iridescent sheen on the water surface",
"Dark slick or film floating on water, not mixing in",
"Oil residue visible along the waterline on banks or structures"
],
"not_a_violation": [
"Natural biofilm producing a thin iridescent sheen (common in slow water)",
"Pollen film on water during flowering season",
"Reflections from coloured structures or signage"
]
},
{
"id": "U74",
"name": "Silty Water",
"domain": "Water bodies",
"injection_description": "Water body with high turbidity or suspended sediment",
"looks_like": [
"Water that is opaque brown or tan from suspended sediment",
"Visibility reduced to less than a few centimetres in the water",
"Sediment plume visible where turbid water meets clearer water"
],
"not_a_violation": [
"Naturally dark water in peat-swamp areas (tannin-stained, not sediment)",
"Temporarily turbid water during heavy rain that clears quickly",
"Shallow water where the brown bottom is visible through clear water"
]
},
{
"id": "U75",
"name": "Discolored Water",
"domain": "Water bodies",
"injection_description": "Water body with abnormal colour indicating contamination",
"looks_like": [
"Water that is unusually dark, milky, reddish, or green",
"Distinct colour boundary where a discharge meets cleaner water",
"Foamy or sudsy water indicating chemical contamination"
],
"not_a_violation": [
"Naturally tinted water in forested areas (brown from tannins)",
"Water with a greenish hue from healthy algae at normal levels",
"Temporary colour change from heavy rainfall stirring sediment"
]
},
{
"id": "U76",
"name": "Algae Bloom",
"domain": "Water bodies",
"injection_description": "Excessive algae growth covering a water body surface",
"looks_like": [
"Bright green, blue-green, or reddish layer covering the water surface",
"Thick mat of algae making the water opaque and scummy",
"Foul-smelling water with visible green discolouration"
],
"not_a_violation": [
"Duckweed or water lettuce (floating aquatic plants, not algae)",
"Green reflections from surrounding trees on clear water",
"Naturally tinted water in forested areas"
]
},
{
"id": "U77",
"name": "Foam/Froth on Water",
"domain": "Water bodies",
"injection_description": "Unnatural foam or froth accumulating on water surface",
"looks_like": [
"White or off-white foam collecting at canal edges or drain outfalls",
"Persistent froth on water surface that does not dissipate",
"Sudsy water indicating detergent or chemical discharge"
],
"not_a_violation": [
"Natural foam from organic matter in fast-flowing water",
"Aeration bubbles from mechanical aerators or fountains",
"Brief foam at waterfalls or weirs from turbulent flow"
]
},
{
"id": "U78",
"name": "Dry Grass",
"domain": "Fire safety and emergency access",
"injection_description": "Grass that is brown, yellow, or clearly dried out (fire risk)",
"looks_like": [
"Large area of brown, dry grass that could be a fire hazard",
"Grass that is uniformly crispy and dead, especially near structures",
"Dry vegetation near fire access routes or between buildings"
],
"not_a_violation": [
"Grass that is slightly brown during dry season but not a fire hazard",
"Freshly mown grass that appears lighter or yellowish temporarily",
"Ornamental dried grass species planted intentionally"
]
},
{
"id": "U79",
"name": "Corridor Obstructions",
"domain": "Fire safety and emergency access",
"injection_description": "Items blocking HDB corridors or common walkways",
"looks_like": [
"Shoe racks, potted plants, or boxes placed in the corridor narrowing the walkway",
"Bulky items stored outside units blocking the escape route",
"Furniture or equipment left in common corridors"
],
"not_a_violation": [
"A small doormat or a single pair of shoes outside a unit (minimal obstruction)",
"Items placed temporarily during moving or delivery",
"Notice boards or fire equipment mounted on corridor walls (authorised fixtures)"
]
},
{
"id": "U80",
"name": "Dry Riser/Fire Hydrant Obstruction",
"domain": "Fire safety and emergency access",
"injection_description": "Items placed near fire safety equipment blocking access",
"looks_like": [
"Boxes, furniture, or other items stacked in front of a dry riser inlet",
"Fire hydrant access blocked by parked vehicles or stored items",
"Hose reel cabinet obstructed by objects placed against it"
],
"not_a_violation": [
"Clear space around fire equipment that meets the minimum requirement",
"Fire equipment being actively inspected or serviced",
"Items near but not blocking access to fire safety equipment"
]
},
{
"id": "U81",
"name": "Wedge-Open Fire Doors",
"domain": "Fire safety and emergency access",
"injection_description": "Fire doors propped open with objects, defeating their purpose",
"looks_like": [
"Fire door held open by a wedge, brick, or piece of furniture",
"Self-closing fire door tied or latched to stay open",
"Stairwell fire door clearly propped open with an object at its base"
],
"not_a_violation": [
"Fire doors that are closed (even if they appear heavy or inconvenient)",
"Doors with magnetic hold-open devices that release on fire alarm (authorised)",
"Regular doors (non-fire-rated) that are propped open"
]
},
{
"id": "U82",
"name": "Unattended Baggage/Items",
"domain": "Safety",
"injection_description": "Suspicious bags or packages left unattended in public areas",
"looks_like": [
"Bag, backpack, or package left on a bench, floor, or public area with no owner nearby",
"Box or parcel placed in an unusual location without identification",
"Luggage or bags left unattended in a transit area or shelter"
],
"not_a_violation": [
"Bags placed next to someone who is sitting nearby (owner is present)",
"Delivery packages at a building entrance awaiting collection",
"Lost property placed at a service counter or information point"
]
},
{
"id": "U83",
"name": "Exposed Electrical Wiring",
"domain": "Safety",
"injection_description": "Electrical cables or panels exposed without proper enclosure",
"looks_like": [
"Loose cables hanging from walls or ceilings without conduit",
"Junction boxes with missing covers exposing wire connections",
"Wires protruding from walls where a fixture has been removed"
],
"not_a_violation": [
"Surface-mounted cable trunking or conduit (proper enclosure, even if visible)",
"Overhead power lines or telecommunications cables on poles (by design)",
"Temporary cabling during active construction with proper barriers"
]
},
{
"id": "U84",
"name": "PMD/PAB Charging in Common Areas",
"domain": "Safety",
"injection_description": "Personal mobility devices being charged in corridors or common areas",
"looks_like": [
"E-scooter, e-bike, or PMD connected to a power outlet in a corridor",
"Extension cord running from a unit to charge a device in the common area",
"Multiple PMDs being charged outside units in HDB corridors"
],
"not_a_violation": [
"PMDs parked (not charging) in a corridor",
"Bicycles (non-electric) parked outside units",
"PMDs being charged at designated charging stations"
]
},
{
"id": "U85",
"name": "Damaged/Exposed Utility Boxes",
"domain": "Safety",
"injection_description": "Electrical or utility boxes that are open or damaged",
"looks_like": [
"Utility box with a missing or broken cover exposing internal wiring",
"Electrical distribution box with dents, rust, or a door that won't close",
"Telco or electrical box with visible water ingress or scorch marks"
],
"not_a_violation": [
"Utility boxes that are simply old or have faded paint but are intact",
"Boxes being actively serviced by a technician (open temporarily)",
"Small surface scratches or sticker residue on an intact panel"
]
},
{
"id": "U86",
"name": "Leaking Fire Hydrant",
"domain": "Safety",
"injection_description": "Fire hydrant that is leaking water",
"looks_like": [
"Water pooling around the base of a fire hydrant from a leak",
"Visible stream or spray of water from a hydrant valve or connection",
"Wet patch on road or footpath traceable to a fire hydrant"
],
"not_a_violation": [
"Fire hydrant being used by fire service for testing (authorized)",
"Water near a hydrant from recent rain, not from the hydrant itself",
"Slight moisture or condensation on the hydrant body"
]
},
{
"id": "U87",
"name": "Damaged CCTV Cameras",
"domain": "Safety",
"injection_description": "CCTV cameras that are tilted, broken, or vandalised",
"looks_like": [
"CCTV camera pointing at the ground or sky (clearly displaced)",
"Camera housing with visible cracks, dents, or broken casing",
"Camera dangling from its mount or with severed cables"
],
"not_a_violation": [
"Cameras pointing in unusual directions (may be intentionally aimed)",
"Dome cameras where the lens direction is not visible from outside",
"Older camera models that look different from newer installations"
]
},
{
"id": "U88",
"name": "Damaged Bus Stop Shelters",
"domain": "Public transport infrastructure",
"injection_description": "Bus stop shelters with broken panels, frames, or structures",
"looks_like": [
"Bus shelter glass or polycarbonate panel that is cracked or shattered",
"Missing panel leaving an open gap in the shelter",
"Bent or deformed shelter frame from vehicle impact"
],
"not_a_violation": [
"Bus shelter panels that are dirty or stained but intact",
"Open-sided bus shelter designs that have no side panels",
"Advertising panels being replaced (temporarily removed)"
]
},
{
"id": "U89",
"name": "Dirty/Stained Bus Stop Shelters",
"domain": "Public transport infrastructure",
"injection_description": "Bus stop shelters with visible grime, stains, or dirt",
"looks_like": [
"Bus shelter panels covered in grime, dust, or bird droppings",
"Stained shelter seats with visible marks or discolouration",
"Bus stop with mould or algae on surfaces"
],
"not_a_violation": [
"Bus shelter that is slightly dusty from normal outdoor exposure",
"Shelters with water spots after rain that will dry off",
"Older shelters with minor cosmetic wear"
]
},
{
"id": "U90",
"name": "Faded/Damaged Bus Stop Signage",
"domain": "Public transport infrastructure",
"injection_description": "Bus stop signs or route information that is faded or damaged",
"looks_like": [
"Bus stop number or route panel that is faded and hard to read",
"Information board with peeling, cracked, or torn signage",
"Bus stop sign with physical damage obscuring the content"
],
"not_a_violation": [
"Digital displays that are temporarily off or updating",
"Signage in a different language that the annotator cannot read",
"Older signage style that is different from newer stops but still legible"
]
},
{
"id": "U91",
"name": "Damaged Sheltered Walkway/Covered Linkway Panels",
"domain": "Public transport infrastructure",
"injection_description": "Covered walkway or linkway with cracked or missing roof panels",
"looks_like": [
"Sheltered walkway with cracked, shattered, or missing roof panels",
"Covered linkway with broken support structures or missing sections",
"Panel damage exposing walkway users to rain"
],
"not_a_violation": [
"Gaps between panels that are part of the design (ventilation)",
"Covered walkways with open sides (designed without side panels)",
"Construction barriers around a walkway being upgraded"
]
},
{
"id": "U92",
"name": "Broken Overhead Bridge Railings/Panels",
"domain": "Public transport infrastructure",
"injection_description": "Overhead bridge with damaged railings or barrier panels",
"looks_like": [
"Bridge railing with broken, bent, or missing sections",
"Side panel on an overhead bridge that is cracked or shattered",
"Loose or detached barrier on a pedestrian bridge"
],
"not_a_violation": [
"Bridge railings with minor paint wear from normal use",
"Mesh or wire barriers that appear less solid but are by design",
"Older bridge designs with different railing styles"
]
},
{
"id": "U93",
"name": "Damaged Public Seating/Benches",
"domain": "Street furniture and amenities",
"injection_description": "Public benches or seating that are broken or in disrepair",
"looks_like": [
"Bench with broken, cracked, or missing seat slats or back rest",
"Public seating with collapsed or severely rusted frame",
"Sharp or protruding edges from broken bench components"
],
"not_a_violation": [
"Benches with spaced slats (gaps are intentional design)",
"Weathered benches that are old but structurally sound",
"Stone or concrete seating with natural surface patina"
]
},
{
"id": "U94",
"name": "Broken Bollards/Barrier Posts",
"domain": "Street furniture and amenities",
"injection_description": "Bollards or barrier posts that are bent, broken, or displaced",
"looks_like": [
"Bollard leaning severely or knocked flat from vehicle impact",
"Barrier post with the top section snapped off",
"Permanently deformed flexible bollard"
],
"not_a_violation": [
"Flexible bollards that lean under pressure but spring back (by design)",
"Retractable bollards in their lowered position",
"Minor paint scuffs on bollards from normal contact"
]
},
{
"id": "U95",
"name": "Damaged Bicycle Parking Racks",
"domain": "Street furniture and amenities",
"injection_description": "Bicycle racks that are bent, broken, or uprooted",
"looks_like": [
"Bicycle rack with bent, broken, or missing bars",
"Rack that has been uprooted from its concrete base",
"Rack so deformed that bicycles cannot be properly secured"
],
"not_a_violation": [
"Empty bicycle racks (no bicycles parked, not damaged)",
"Racks with minor surface rust but still structurally sound",
"Unconventional rack designs that look different from standard U-racks"
]
},
{
"id": "U96",
"name": "Damaged EV Charging Stations",
"domain": "Street furniture and amenities",
"injection_description": "Electric vehicle charging stations with broken screens or connectors",
"looks_like": [
"Charging station with a cracked or blank display screen",
"Broken or severed charging cable or connector",
"Physically damaged housing or vandalised unit"
],
"not_a_violation": [
"Charging station showing 'available' or 'in use' status (working normally)",
"Station with a different design from adjacent ones (different vendor)",
"Charging station that is temporarily offline for software update"
]
},
{
"id": "U97",
"name": "Damaged/Vandalized Public Phone/SOS Points",
"domain": "Street furniture and amenities",
"injection_description": "Public phone booths or SOS call points that are damaged",
"looks_like": [
"SOS call point with smashed buttons, screen, or housing",
"Public phone with handset ripped off or vandalised",
"Emergency call point with graffiti or broken components"
],
"not_a_violation": [
"Older phone models that are outdated but functional",
"SOS points with minor cosmetic wear",
"Decommissioned phone booths that have been officially removed"
]
}
],
"category_id_mapping": "U01..U97 map to integer 1..97; no zero-based remapping."
}
{
"classes": [
{
"id": "U01",
"name": "Dead Plants",
"domain": "Estate maintenance",
"injection_description": "Dead or dying plants in planters or garden areas",
"looks_like": [
"Fully brown, wilted, or dried-out plant in a planter or garden bed",
"Plant with no green foliage, clearly dead among otherwise healthy vegetation",
"Shrivelled or collapsed plant in a maintained public planter box"
],
"not_a_violation": [
"Healthy plants with natural seasonal yellowing or dry-climate-adapted sparse foliage",
"Recently pruned plants or shrubs that appear bare but are still alive",
"Dried flower heads on plants that are otherwise green and healthy"
]
},
{
"id": "U02",
"name": "Faulty Lights",
"domain": "Estate maintenance",
"injection_description": "Light fixtures that are damaged or not working",
"looks_like": [
"Light fixture with cracked, shattered, or missing cover or diffuser",
"Fixture that is clearly off while surrounding fixtures are on",
"Visibly burned-out, blackened, or flickering bulb in the fixture"
],
"not_a_violation": [
"Lights that are simply switched off because the area is not in use",
"Sensor-controlled lights that activate on motion only",
"Older-model fixtures that are dated but still intact and working"
]
},
{
"id": "U03",
"name": "Litter (Small)",
"domain": "Estate maintenance",
"injection_description": "Small pieces of litter scattered on the ground",
"looks_like": [
"Scattered small debris like food wrappers, tissue paper, or cigarette butts on the ground",
"Plastic bags, drink cups, or packaging strewn on footpaths or grass areas",
"Multiple small litter items visible in a public area"
],
"not_a_violation": [
"Leaves, twigs, or natural debris blown onto a path",
"A single small item that may have just been dropped (very minor)",
"Items in or immediately around a rubbish bin that is full"
]
},
{
"id": "U04",
"name": "Illegal Dumping of Waste (Large)",
"domain": "Estate maintenance",
"injection_description": "Large items or bulk waste dumped illegally in public areas",
"looks_like": [
"Mattresses, furniture, appliances, or large bags of rubbish dumped on grass verges or in void decks",
"Pile of construction debris or renovation waste left in a common area",
"Bulk household items abandoned outside of scheduled collection days"
],
"not_a_violation": [
"Items placed at designated bulk waste collection points during scheduled days",
"Furniture or items being actively moved during house moving",
"Public amenities like benches or planters that are part of the estate"
]
},
{
"id": "U05",
"name": "Dry Leaves",
"domain": "Estate maintenance",
"injection_description": "Accumulation of dry leaves on paths or common areas",
"looks_like": [
"Thick layer of dry, brown leaves covering a footpath or drain",
"Piles of uncleared leaves along walkways or building edges",
"Dry leaf accumulation blocking drain openings or filling corners"
],
"not_a_violation": [
"A few scattered fresh leaves that have just fallen from trees",
"Mulch or leaf litter in garden beds (intentional landscaping)",
"Leaves on the ground in a park or nature area where clearing is minimal by design"
]
},
{
"id": "U06",
"name": "Peeling Paint",
"domain": "Estate maintenance",
"injection_description": "Paint flaking, peeling, or blistering off surfaces",
"looks_like": [
"Paint visibly lifting, curling, or flaking off wall or ceiling surfaces",
"Patches where underlying plaster or previous paint layers are exposed",
"Bubbling paint that has separated from the substrate"
],
"not_a_violation": [
"Deliberate two-tone paint schemes or accent walls with different colours",
"Freshly painted areas that are a slightly different shade from the surrounding wall",
"Wet walls where water temporarily darkens the paint colour"
]
},
{
"id": "U07",