Doorvaartopening (vast) Arend Westermanbrug

Opening #3820 · route 30984178

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Latest Clearance

pending needs_reference_level_validation

Water station: amsterdam.surinamekade Amsterdam, Surinamekade
Water observed: 2026-08-28 07:00:00
Water level: -0.440 m
Calculated: 2026-08-28 07:23:13
Formula: pending_reference_level_interpretation

FIS Opening Fields

Source id: fis.opening:3820
Parent id: 42681125 (bridge)
Reference level: n/a
Height closed: 2.200 m
Clearance height closed: 2.600 m
Height opened: n/a
Width: 12.000 m
Sill depth: n/a
Route km: 0.024 - 0.024

Parent Bridge

Name: Arend Westermanbrug (Brug 186)
Local id: 6496
RWS id: 42681125
Source id: fis.bridge:6496
Reference level: UNSPECIFIED
MHW reference: CANAL
MHW offset: n/a
Can open: no

Linked Water Stations

Station	Method	Distance	Confidence	Latest Observation	Level
`amsterdam.surinamekade` Amsterdam, Surinamekade	nearest_spatial	6,410 m	0.36	2026-08-28 07:00:00	-0.440 m

Recent Clearance History

Calculated	Water Observed	Water Level	Clearance	Status	Formula
2026-08-28 07:23:13	2026-08-28 07:00:00	-0.440 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 07:18:17	2026-08-28 06:40:00	-0.440 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 07:10:51	2026-08-28 06:40:00	-0.440 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 06:10:39	2026-08-28 05:40:00	-0.440 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 05:10:28	2026-08-28 04:40:00	-0.440 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 04:10:15	2026-08-28 03:50:00	-0.430 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 03:10:04	2026-08-28 02:50:00	-0.440 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 02:09:52	2026-08-28 01:50:00	-0.420 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 01:09:40	2026-08-28 00:40:00	-0.440 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 00:09:28	2026-08-27 23:50:00	-0.450 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 23:09:16	2026-08-27 22:40:00	-0.430 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 22:09:04	2026-08-27 21:50:00	-0.440 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 21:08:52	2026-08-27 20:30:00	-0.440 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 20:08:39	2026-08-27 19:30:00	-0.430 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 19:08:26	2026-08-27 18:30:00	-0.430 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 18:08:11	2026-08-27 17:30:00	-0.410 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 17:07:49	2026-08-27 16:40:00	-0.420 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 16:07:30	2026-08-27 15:40:00	-0.370 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 15:07:18	2026-08-27 14:30:00	-0.390 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 14:07:06	2026-08-27 13:30:00	-0.370 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`

Calculation Basis

{
    "formula": {
        "kind": "pending_reference_level_interpretation",
        "expression": "not_computed_until_reference_level_rule_is_validated",
        "water_source": "water_level_observation.value_m",
        "height_source": "fis_bridge_opening.clearance_height_closed_m",
        "reference_level_source": "fis_bridge.reference_level",
        "reference_level_decision": "parent bridge reference level is available but not interpreted as NAP",
        "effective_reference_level": "UNSPECIFIED"
    },
    "station_link": {
        "active": true,
        "method": "nearest_spatial",
        "confidence": 0.359,
        "distance_m": 6409.72,
        "reviewed_at": null
    },
    "parent_bridge": {
        "id": 6496,
        "name": "Arend Westermanbrug (Brug 186)",
        "rws_id": "42681125",
        "can_open": false,
        "source_id": "fis.bridge:6496",
        "mhw_offset": null,
        "reference_level": "UNSPECIFIED",
        "mhw_reference_level": null
    },
    "bridge_opening": {
        "id": 3820,
        "name": "Doorvaartopening (vast) Arend Westermanbrug",
        "route_id": "30984178",
        "source_id": "fis.opening:3820",
        "fairway_id": "30986938",
        "route_km_end": 0.024,
        "route_km_begin": 0.024,
        "height_closed_m": 2.2,
        "height_opened_m": null,
        "reference_level": null,
        "fairway_section_id": "30985976",
        "clearance_height_closed_m": 2.6,
        "clearance_height_opened_m": null
    },
    "water_observation": {
        "value_m": -0.44,
        "value_cm": -44,
        "observed_at": "2026-08-28T07:00:00+00:00",
        "process_type": "meting",
        "quality_code": "00",
        "retrieved_at": "2026-08-28T07:23:02.932483+00:00",
        "station_code": "amsterdam.surinamekade",
        "reference_level": "NAP"
    }
}

Geometry GeoJSON

{
    "type": "Point",
    "coordinates": [
        4.857893372,
        52.364241913
    ]
}

Raw FIS JSON

{
    "id": 3820,
    "type": "Feature",
    "geometry": {
        "type": "Point",
        "coordinates": [
            4.857893372000035,
            52.36424191300006
        ]
    },
    "properties": {
        "id": 42681201,
        "name": "Doorvaartopening (vast) Arend Westermanbrug",
        "note": null,
        "type": "VST",
        "width": 12,
        "isrsid": 54047078,
        "number": 1,
        "geotype": "opening",
        "routeid": 30984178,
        "vincode": "65145820",
        "objectid": 3820,
        "parentid": 42681125,
        "condition": "CONSTRUCTED",
        "fairwayid": 30986938,
        "silldepth": null,
        "routekmend": 0.02419927,
        "foreigncode": null,
        "orientation": null,
        "widthconvoy": 12,
        "heightclosed": 2.2,
        "heightopened": null,
        "routekmbegin": 0.024,
        "geogeneration": 4439,
        "parentgeotype": "bridge",
        "fairwaysectionid": 30985976,
        "passagedurationm": 0,
        "clearanceheightclosed": 2.6,
        "clearanceheightopened": null
    }
}