Doorvaartopening (beweegbaar) François Viaduct

Opening #6 · route 40145

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Latest Clearance

pending needs_reference_level_validation

Water station: krimpenaandeijssel.hollandscheijssel Krimpen aan de IJssel, Hollandsche IJssel
Water observed: 2026-08-28 05:40:00
Water level: 0.580 m
Calculated: 2026-08-28 06:10:39
Formula: pending_reference_level_interpretation

FIS Opening Fields

Source id: fis.opening:6
Parent id: 36554 (bridge)
Reference level: n/a
Height closed: -0.400 m
Clearance height closed: 1.700 m
Height opened: n/a
Width: 5.600 m
Sill depth: n/a
Route km: 24.800 - 24.816

Parent Bridge

Name: François Viaduct
Local id: 1538
RWS id: 36554
Source id: fis.bridge:1538
Reference level: BP
MHW reference: CANAL
MHW offset: n/a
Can open: yes

Linked Water Stations

Station	Method	Distance	Confidence	Latest Observation	Level
`krimpenaandeijssel.hollandscheijssel` Krimpen aan de IJssel, Hollandsche IJssel	nearest_spatial	6,930 m	0.31	2026-08-28 05:40:00	0.580 m

Recent Clearance History

Calculated	Water Observed	Water Level	Clearance	Status	Formula
2026-08-28 06:10:39	2026-08-28 05:40:00	0.580 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 05:10:28	2026-08-28 04:50:00	0.840 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 04:10:15	2026-08-28 03:50:00	1.110 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 03:10:04	2026-08-28 02:50:00	1.110 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 02:09:52	2026-08-28 01:40:00	0.380 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 01:09:40	2026-08-28 00:40:00	-0.240 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 00:09:28	2026-08-27 23:50:00	-0.390 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 23:09:16	2026-08-27 22:40:00	-0.300 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 22:09:04	2026-08-27 21:50:00	-0.320 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 21:08:52	2026-08-27 20:40:00	-0.410 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 20:08:39	2026-08-27 19:30:00	-0.330 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 19:08:26	2026-08-27 18:40:00	-0.100 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 18:08:11	2026-08-27 17:40:00	0.300 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 17:07:49	2026-08-27 16:30:00	0.730 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 16:07:30	2026-08-27 15:40:00	0.960 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 15:07:18	2026-08-27 14:30:00	0.900 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 14:07:06	2026-08-27 13:30:00	0.350 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 13:06:55	2026-08-27 12:30:00	-0.100 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 12:06:43	2026-08-27 11:40:00	-0.230 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-27 11:06:31	2026-08-27 10:30:00	-0.230 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",
        "kp_reference_level_nap": null,
        "reference_level_source": "fis_bridge.reference_level",
        "reference_level_decision": "parent bridge reference level is available but not interpreted as NAP",
        "effective_reference_level": "BP",
        "current_water_delta_from_kp_m": null
    },
    "station_link": {
        "active": true,
        "method": "nearest_spatial",
        "confidence": 0.307,
        "distance_m": 6930.27,
        "reviewed_at": null
    },
    "parent_bridge": {
        "id": 1538,
        "name": "Fran\u00e7ois Viaduct",
        "rws_id": "36554",
        "can_open": true,
        "source_id": "fis.bridge:1538",
        "mhw_offset": null,
        "reference_level": "BP",
        "mhw_reference_level": null
    },
    "bridge_opening": {
        "id": 6,
        "name": "Doorvaartopening (beweegbaar) Fran\u00e7ois Viaduct",
        "route_id": "40145",
        "source_id": "fis.opening:6",
        "fairway_id": "7192",
        "route_km_end": 24.816,
        "route_km_begin": 24.8,
        "height_closed_m": -0.4,
        "height_opened_m": null,
        "reference_level": null,
        "fairway_section_id": "51820",
        "clearance_height_closed_m": 1.7,
        "clearance_height_opened_m": null
    },
    "water_observation": {
        "value_m": 0.58,
        "value_cm": 58,
        "observed_at": "2026-08-28T05:40:00+00:00",
        "process_type": "meting",
        "quality_code": "00",
        "retrieved_at": "2026-08-28T06:10:32.387863+00:00",
        "station_code": "krimpenaandeijssel.hollandscheijssel",
        "reference_level": "NAP"
    }
}

Geometry GeoJSON

{
    "type": "Point",
    "coordinates": [
        4.626470329,
        51.971443685
    ]
}

Raw FIS JSON

{
    "id": 6,
    "type": "Feature",
    "geometry": {
        "type": "Point",
        "coordinates": [
            4.626470329000028,
            51.971443685000054
        ]
    },
    "properties": {
        "id": 1569,
        "name": "Doorvaartopening (beweegbaar) Fran\u00e7ois Viaduct",
        "note": null,
        "type": "OPH",
        "width": 5.6,
        "isrsid": 9067534,
        "number": 1,
        "geotype": "opening",
        "routeid": 40145,
        "vincode": "5491",
        "objectid": 6,
        "parentid": 36554,
        "condition": "CONSTRUCTED",
        "fairwayid": 7192,
        "silldepth": null,
        "routekmend": 24.816,
        "foreigncode": null,
        "orientation": null,
        "widthconvoy": 5.6,
        "heightclosed": -0.4,
        "heightopened": null,
        "routekmbegin": 24.8,
        "geogeneration": 3344,
        "parentgeotype": "bridge",
        "fairwaysectionid": 51820,
        "passagedurationm": 10,
        "clearanceheightclosed": 1.7000000000000002,
        "clearanceheightopened": null
    }
}