Doorvaartopening (vast) Polderveldbrug

Opening #38 · route 48578

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Latest Clearance

2.09 m ok

Water station: heel.kanaal Heel boven
Water observed: 2026-10-12 19:50:00
Water level: 20.890 m
Calculated: 2026-10-12 20:16:51
Formula: height_closed_minus_water_level

FIS Opening Fields

Source id: fis.opening:38
Parent id: 39105 (bridge)
Reference level: n/a
Height closed: 22.980 m
Clearance height closed: 2.180 m
Height opened: n/a
Width: 7.000 m
Sill depth: n/a
Route km: 0.407 - 0.407

Parent Bridge

Name: Polderveldbrug
Local id: 1638
RWS id: 39105
Source id: fis.bridge:1638
Reference level: NAP
MHW reference: CANAL
MHW offset: n/a
Can open: no

Linked Water Stations

Station	Method	Distance	Confidence	Latest Observation	Level
`heel.kanaal` Heel boven	nearest_spatial	2,179 m	0.78	2026-10-12 19:50:00	20.890 m

Recent Clearance History

Calculated	Water Observed	Water Level	Clearance	Status	Formula
2026-10-12 20:16:51	2026-10-12 19:50:00	20.890 m	2.090 m	ok	`height_closed_minus_water_level`
2026-10-12 19:16:40	2026-10-12 19:00:00	20.920 m	2.060 m	ok	`height_closed_minus_water_level`
2026-10-12 18:16:30	2026-10-12 18:00:00	20.940 m	2.040 m	ok	`height_closed_minus_water_level`
2026-10-12 17:16:19	2026-10-12 17:00:00	20.910 m	2.070 m	ok	`height_closed_minus_water_level`
2026-10-12 16:16:09	2026-10-12 15:50:00	20.970 m	2.010 m	ok	`height_closed_minus_water_level`
2026-10-12 15:15:59	2026-10-12 14:50:00	20.970 m	2.010 m	ok	`height_closed_minus_water_level`
2026-10-12 14:15:48	2026-10-12 13:50:00	20.930 m	2.050 m	ok	`height_closed_minus_water_level`
2026-10-12 13:15:39	2026-10-12 12:50:00	20.900 m	2.080 m	ok	`height_closed_minus_water_level`
2026-10-12 12:15:28	2026-10-12 12:00:00	20.920 m	2.060 m	ok	`height_closed_minus_water_level`
2026-10-12 11:15:17	2026-10-12 10:50:00	20.880 m	2.100 m	ok	`height_closed_minus_water_level`
2026-10-12 10:15:07	2026-10-12 09:50:00	20.900 m	2.080 m	ok	`height_closed_minus_water_level`
2026-10-12 09:14:57	2026-10-12 08:40:00	20.910 m	2.070 m	ok	`height_closed_minus_water_level`
2026-10-12 08:14:46	2026-10-12 07:50:00	20.880 m	2.100 m	ok	`height_closed_minus_water_level`
2026-10-12 07:14:35	2026-10-12 06:50:00	20.900 m	2.080 m	ok	`height_closed_minus_water_level`
2026-10-12 06:14:22	2026-10-12 05:50:00	20.940 m	2.040 m	ok	`height_closed_minus_water_level`
2026-10-12 05:14:11	2026-10-12 04:50:00	20.920 m	2.060 m	ok	`height_closed_minus_water_level`
2026-10-12 04:13:57	2026-10-12 03:50:00	20.950 m	2.030 m	ok	`height_closed_minus_water_level`
2026-10-12 03:13:47	2026-10-12 02:50:00	20.930 m	2.050 m	ok	`height_closed_minus_water_level`
2026-10-12 02:13:36	2026-10-12 01:50:00	20.920 m	2.060 m	ok	`height_closed_minus_water_level`
2026-10-12 01:13:25	2026-10-12 00:50:00	20.930 m	2.050 m	ok	`height_closed_minus_water_level`

Calculation Basis

{
    "formula": {
        "kind": "height_closed_minus_water_level",
        "expression": "height_closed_m - water_level_m",
        "water_source": "water_level_observation.value_m",
        "height_source": "fis_bridge_opening.height_closed_m",
        "reference_level_source": "fis_bridge.reference_level",
        "reference_level_decision": "NAP reference level detected on opening or parent bridge",
        "effective_reference_level": "NAP"
    },
    "station_link": {
        "active": true,
        "method": "nearest_spatial",
        "confidence": 0.7821,
        "distance_m": 2178.72,
        "reviewed_at": null
    },
    "parent_bridge": {
        "id": 1638,
        "name": "Polderveldbrug",
        "rws_id": "39105",
        "can_open": false,
        "source_id": "fis.bridge:1638",
        "mhw_offset": null,
        "reference_level": "NAP",
        "mhw_reference_level": null
    },
    "bridge_opening": {
        "id": 38,
        "name": "Doorvaartopening (vast) Polderveldbrug",
        "route_id": "48578",
        "source_id": "fis.opening:38",
        "fairway_id": "46087",
        "route_km_end": 0.407,
        "route_km_begin": 0.407,
        "height_closed_m": 22.98,
        "height_opened_m": null,
        "reference_level": null,
        "fairway_section_id": "9998",
        "clearance_height_closed_m": 2.18,
        "clearance_height_opened_m": null
    },
    "water_observation": {
        "value_m": 20.89,
        "value_cm": 2089,
        "observed_at": "2026-10-12T19:50:00+00:00",
        "process_type": "meting",
        "quality_code": "00",
        "retrieved_at": "2026-10-12T20:16:44.205259+00:00",
        "station_code": "heel.kanaal",
        "reference_level": "NAP"
    }
}

Geometry GeoJSON

{
    "type": "Point",
    "coordinates": [
        5.888197795,
        51.168597943
    ]
}

Raw FIS JSON

{
    "id": 38,
    "type": "Feature",
    "geometry": {
        "type": "Point",
        "coordinates": [
            5.888197795000053,
            51.168597943000066
        ]
    },
    "properties": {
        "id": 2046,
        "name": "Doorvaartopening (vast) Polderveldbrug",
        "note": null,
        "type": "VST",
        "width": 7,
        "isrsid": 9063732,
        "number": 1,
        "geotype": "opening",
        "routeid": 48578,
        "vincode": "8165",
        "objectid": 38,
        "parentid": 39105,
        "condition": "CONSTRUCTED",
        "fairwayid": 46087,
        "silldepth": null,
        "routekmend": 0.40699723000000004,
        "foreigncode": null,
        "orientation": null,
        "widthconvoy": 7,
        "heightclosed": 22.98,
        "heightopened": null,
        "routekmbegin": 0.40700000000000003,
        "geogeneration": 4628,
        "parentgeotype": "bridge",
        "fairwaysectionid": 9998,
        "passagedurationm": 0,
        "clearanceheightclosed": 2.18,
        "clearanceheightopened": null
    }
}