Doorvaartopening (beweegbaar) Langmanbrug

Opening #61 · route 51268

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Latest Clearance

pending needs_reference_level_validation

Water station: groningen Groningen
Water observed: 2026-10-12 19:00:00
Water level: -0.950 m
Calculated: 2026-10-12 20:16:51
Formula: pending_reference_level_interpretation

FIS Opening Fields

Source id: fis.opening:61
Parent id: 55476 (bridge)
Reference level: n/a
Height closed: 1.820 m
Clearance height closed: 1.200 m
Height opened: n/a
Width: 16.000 m
Sill depth: n/a
Route km: 0.900 - 0.947

Parent Bridge

Name: Langmanbrug
Local id: 2350
RWS id: 55476
Source id: fis.bridge:2350
Reference level: KP
MHW reference: CANAL
MHW offset: n/a
Can open: yes

Linked Water Stations

Station	Method	Distance	Confidence	Latest Observation	Level
`groningen` Groningen	nearest_spatial	1,673 m	0.83	2026-10-12 19:00:00	-0.950 m

Recent Clearance History

Calculated	Water Observed	Water Level	Clearance	Status	Formula
2026-10-12 20:16:51	2026-10-12 19:00:00	-0.950 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 19:16:40	2026-10-12 18:00:00	-0.910 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 18:16:30	2026-10-12 17:10:00	-0.930 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 17:16:19	2026-10-12 16:00:00	-0.920 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 16:16:09	2026-10-12 15:00:00	-0.920 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 15:15:59	2026-10-12 14:00:00	-0.920 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 14:15:48	2026-10-12 13:00:00	-0.910 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 13:15:39	2026-10-12 12:10:00	-0.920 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 12:15:28	2026-10-12 11:00:00	-0.920 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 11:15:17	2026-10-12 10:00:00	-0.930 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 10:15:07	2026-10-12 09:10:00	-0.920 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 09:14:57	2026-10-12 08:00:00	-0.920 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 08:14:46	2026-10-12 07:00:00	-0.910 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 07:14:35	2026-10-12 06:00:00	-0.880 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 06:14:22	2026-10-12 05:00:00	-0.880 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 05:14:11	2026-10-12 04:00:00	-0.890 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 04:13:57	2026-10-12 03:10:00	-0.890 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 03:13:47	2026-10-12 02:00:00	-0.900 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 02:13:36	2026-10-12 01:10:00	-0.890 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-10-12 01:13:25	2026-10-12 00:10:00	-0.900 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": "KP"
    },
    "station_link": {
        "active": true,
        "method": "nearest_spatial",
        "confidence": 0.8327,
        "distance_m": 1672.69,
        "reviewed_at": null
    },
    "parent_bridge": {
        "id": 2350,
        "name": "Langmanbrug",
        "rws_id": "55476",
        "can_open": true,
        "source_id": "fis.bridge:2350",
        "mhw_offset": null,
        "reference_level": "KP",
        "mhw_reference_level": null
    },
    "bridge_opening": {
        "id": 61,
        "name": "Doorvaartopening (beweegbaar) Langmanbrug",
        "route_id": "51268",
        "source_id": "fis.opening:61",
        "fairway_id": "31184",
        "route_km_end": 0.947,
        "route_km_begin": 0.9,
        "height_closed_m": 1.82,
        "height_opened_m": null,
        "reference_level": null,
        "fairway_section_id": "38322",
        "clearance_height_closed_m": 1.2,
        "clearance_height_opened_m": null
    },
    "water_observation": {
        "value_m": -0.95,
        "value_cm": -95,
        "observed_at": "2026-10-12T19:00:00+00:00",
        "process_type": "meting",
        "quality_code": "00",
        "retrieved_at": "2026-10-12T20:16:43.910809+00:00",
        "station_code": "groningen",
        "reference_level": "NAP"
    }
}

Geometry GeoJSON

{
    "type": "Point",
    "coordinates": [
        6.599746943,
        53.213850123
    ]
}

Raw FIS JSON

{
    "id": 61,
    "type": "Feature",
    "geometry": {
        "type": "Point",
        "coordinates": [
            6.599746943000071,
            53.21385012300004
        ]
    },
    "properties": {
        "id": 2440,
        "name": "Doorvaartopening (beweegbaar) Langmanbrug",
        "note": null,
        "type": "OPH",
        "width": 16,
        "isrsid": 9074373,
        "number": 1,
        "geotype": "opening",
        "routeid": 51268,
        "vincode": "59237",
        "objectid": 61,
        "parentid": 55476,
        "condition": "CONSTRUCTED",
        "fairwayid": 31184,
        "silldepth": null,
        "routekmend": 0.9470000000000001,
        "foreigncode": null,
        "orientation": null,
        "widthconvoy": 16,
        "heightclosed": 1.82,
        "heightopened": null,
        "routekmbegin": 0.9,
        "geogeneration": 3310,
        "parentgeotype": "bridge",
        "fairwaysectionid": 38322,
        "passagedurationm": 10,
        "clearanceheightclosed": 1.2,
        "clearanceheightopened": null
    }
}