Doorvaartopening (beweegbaar) Appelmarktbrug

Opening #386 · route 6709

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Latest Clearance

pending needs_reference_level_validation

Water station: vlaardingen Vlaardingen
Water observed: 2026-08-28 07:00:00
Water level: -0.080 m
Calculated: 2026-08-28 07:23:13
Formula: pending_reference_level_interpretation

FIS Opening Fields

Source id: fis.opening:386
Parent id: 23335 (bridge)
Reference level: n/a
Height closed: 1.050 m
Clearance height closed: 1.480 m
Height opened: n/a
Width: 7.600 m
Sill depth: n/a
Route km: 3.443 - 3.443

Parent Bridge

Name: Appelmarktbrug
Local id: 963
RWS id: 23335
Source id: fis.bridge:963
Reference level: KP
MHW reference: CANAL
MHW offset: n/a
Can open: yes

Linked Water Stations

Station	Method	Distance	Confidence	Latest Observation	Level
`vlaardingen` Vlaardingen	nearest_spatial	3,737 m	0.63	2026-08-28 07:00:00	-0.080 m

Recent Clearance History

Calculated	Water Observed	Water Level	Clearance	Status	Formula
2026-08-28 07:23:13	2026-08-28 07:00:00	-0.080 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 07:18:17	2026-08-28 06:40:00	0.000 m	pending	needs_reference_level_validation	`pending_reference_level_interpretation`
2026-08-28 07:10:51	2026-08-28 06:40:00	0.000 m	1.050 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-28 06:10:39	2026-08-28 05:40:00	0.390 m	0.660 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-28 05:10:28	2026-08-28 04:50:00	0.740 m	0.310 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-28 04:10:15	2026-08-28 03:50:00	1.030 m	0.020 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-28 03:10:04	2026-08-28 02:50:00	1.250 m	-0.200 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-28 02:09:52	2026-08-28 01:50:00	1.090 m	-0.040 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-28 01:09:40	2026-08-28 00:40:00	0.100 m	0.950 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-28 00:09:28	2026-08-27 23:50:00	-0.330 m	1.380 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-27 23:09:16	2026-08-27 22:40:00	-0.470 m	1.520 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-27 22:09:04	2026-08-27 21:50:00	-0.410 m	1.460 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-27 21:08:52	2026-08-27 20:40:00	-0.450 m	1.500 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-27 20:08:39	2026-08-27 19:40:00	-0.520 m	1.570 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-27 19:08:26	2026-08-27 18:40:00	-0.380 m	1.430 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-27 18:08:11	2026-08-27 17:40:00	0.020 m	1.030 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-27 17:07:49	2026-08-27 16:30:00	0.570 m	0.480 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-27 16:07:30	2026-08-27 15:30:00	0.890 m	0.160 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-27 15:07:18	2026-08-27 14:30:00	1.050 m	0.000 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`
2026-08-27 14:07:06	2026-08-27 13:40:00	0.890 m	0.160 m	ok	`kp_clearance_height_adjusted_by_current_nap_water_level`

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": 0.6263,
        "distance_m": 3736.75,
        "reviewed_at": null
    },
    "parent_bridge": {
        "id": 963,
        "name": "Appelmarktbrug",
        "rws_id": "23335",
        "can_open": true,
        "source_id": "fis.bridge:963",
        "mhw_offset": null,
        "reference_level": "KP",
        "mhw_reference_level": null
    },
    "bridge_opening": {
        "id": 386,
        "name": "Doorvaartopening (beweegbaar) Appelmarktbrug",
        "route_id": "6709",
        "source_id": "fis.opening:386",
        "fairway_id": "52694",
        "route_km_end": 3.443,
        "route_km_begin": 3.443,
        "height_closed_m": 1.05,
        "height_opened_m": null,
        "reference_level": null,
        "fairway_section_id": "26547",
        "clearance_height_closed_m": 1.48,
        "clearance_height_opened_m": null
    },
    "water_observation": {
        "value_m": -0.08,
        "value_cm": -8,
        "observed_at": "2026-08-28T07:00:00+00:00",
        "process_type": "meting",
        "quality_code": "00",
        "retrieved_at": "2026-08-28T07:23:10.023373+00:00",
        "station_code": "vlaardingen",
        "reference_level": "NAP"
    }
}

Geometry GeoJSON

{
    "type": "Point",
    "coordinates": [
        4.396743602,
        51.915689425
    ]
}

Raw FIS JSON

{
    "id": 386,
    "type": "Feature",
    "geometry": {
        "type": "Point",
        "coordinates": [
            4.396743602000072,
            51.91568942500004
        ]
    },
    "properties": {
        "id": 8283,
        "name": "Doorvaartopening (beweegbaar) Appelmarktbrug",
        "note": null,
        "type": "DOP",
        "width": 7.6,
        "isrsid": 9067383,
        "number": 1,
        "geotype": "opening",
        "routeid": 6709,
        "vincode": "4345",
        "objectid": 386,
        "parentid": 23335,
        "condition": "CONSTRUCTED",
        "fairwayid": 52694,
        "silldepth": null,
        "routekmend": 3.443,
        "foreigncode": null,
        "orientation": null,
        "widthconvoy": 7.6,
        "heightclosed": 1.05,
        "heightopened": null,
        "routekmbegin": 3.443,
        "geogeneration": 4141,
        "parentgeotype": "bridge",
        "fairwaysectionid": 26547,
        "passagedurationm": 0,
        "clearanceheightclosed": 1.48,
        "clearanceheightopened": null
    }
}