1001 Smart Cities

Permanent project revision

Jakarta Neighbourhood Flood Sirens and Sensor Posts

Revision 2026-08-27-source-dating · effective 2026-07-26

Superseded. A later revision exists: 2026-08-27-editorial-review →

unreviewed

Every source on this entry now carries a date key: a publication date where the publisher states one, otherwise an explicit null with the reason on the record.

sha256:c1177bf584127c2c44cb684d3490d45183b85f7fc656658c8871df3df3d2b108
All revisions → Current entity page →

Change set

  • replace /snapshot/projectFingerprint — Updated projectFingerprint to the current sourced project record.
  • replace /snapshot/sources — Updated sources to the current sourced project record.
8
of 8 claims mapped
7
source dossiers
7
publication dates recorded
0
archives linked
0
exact locators
0
content captures hashed

Claims, one by one

The text below is copied verbatim from the published record. Each claim names the source dossiers that carry it; caveats stay attached to the claim they qualify.

Claim 1 clm-2da7b18243d45d04 descriptive
pole-mounted loudspeakers that sound in the neighbourhood itself, plus radio, SMS and WhatsApp blasts from its own control room
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The agency's own early-warning page describes the loudspeaker sets in flood-prone neighbourhoods alongside its radio, SMS and messaging dissemination.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. BPBD DKI Jakarta — flood early warning
Claim 2 clm-c95d05e5403deb14 quantitative
Fourteen areas had a set in place by 2019; six more cost Rp 4,073,901,441 in 2020, a price that drew ridicule
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The January 2020 report names the budget of Rp 4,073,901,441 for six loudspeaker sets, lists fourteen areas already fitted up to 2019, and is framed around the mockery the price attracted.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Suara.com, 15 Jan 2020 — six loudspeaker sets for Rp 4 billion
Claim 3 clm-f0b71539f26cf319 quantitative
During 2024 the agency installed digital posts at 90 points across 69 kelurahan, each carrying eight sensors — water level, flow, wind speed and direction, current speed, temperature, humidity and rainfall — feeding its disaster-management system automatically
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Both 12 November 2024 reports quote the agency's data centre head: 90 points across 69 kelurahan in 2024, eight sensors per unit covering exactly those variables, with alerts entering the Simba disaster-management system automatically.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. ANTARA News, 12 Nov 2024 — 90 digital early-warning posts installed
  2. detikNews, 12 Nov 2024 — the digital flood warning devices
Claim 4 clm-dfd15f66f7a87009 quantitative
it described the locations as provisional and the work as running to December 2024
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The ANTARA report quotes the agency saying the location data is provisional and may shift with field conditions, and that the programme was targeted to run until December 2024.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. ANTARA News, 12 Nov 2024 — 90 digital early-warning posts installed
Claim 5 clm-29e3a88c3272de7a descriptive
water passing the Katulampa weir upstream is forecast to reach Jakarta about nine to twelve hours later
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The 5 July 2025 report states that water from the Katulampa weir is expected to arrive in Jakarta about nine to twelve hours after it is observed — the headline quotes only the nine.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Kompas Megapolitan, 5 Jul 2025 — nine hours from Katulampa to Jakarta
Claim 6 clm-e13f1322a4c11943 quantitative
In March 2025 a councillor reported a silent siren in Pengadegan; BPBD inspected the device and said it worked
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The 5 March 2025 report carries the councillor's account of a loudspeaker in Pengadegan that failed to sound while the water level at the Katulampa dam was rising; the 6 March report carries the agency's reply that its staff checked the device on site and found it working normally.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. detikNews, 5 Mar 2025 — councillor reports a warning device that did not sound
  2. Suara.com, 6 Mar 2025 — BPBD says the device works normally
Claim 7 clm-fc92f56467748648 descriptive
No evaluation of these posts has been published in seven years — not how many households hear a siren, not whether anyone moved
Published field
lesson · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Neither the agency's own page nor the 2024 rollout coverage reports any measure of reach or of resident response; both describe installation and coverage only.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. BPBD DKI Jakarta — flood early warning
  2. ANTARA News, 12 Nov 2024 — 90 digital early-warning posts installed
Claim 8 clm-32cf194b9378293f descriptive
the only check available was the operating agency inspecting its own device and declaring it normal, and the two accounts have never been reconciled
Published field
lesson · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The dispute is documented only as the councillor's report on 5 March and the agency's own on-site check reported on 6 March; no later source revisits it.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. detikNews, 5 Mar 2025 — councillor reports a warning device that did not sound
  2. Suara.com, 6 Mar 2025 — BPBD says the device works normally

Source dossiers and revision state

This layer records what is known about each source, what is still missing, and the exact snapshot this page is rendering. A missing date, archive or hash stays visible as missing.

unreviewed Revision 2026-08-27-source-dating effective 2026-07-26 · created 2026-08-27

Awaiting operator and domain-expert review; publication of this revision implies neither.

sha256:c1177bf584127c2c44cb684d3490d45183b85f7fc656658c8871df3df3d2b108
Revision history → Permanent version link → Machine-readable record → Evidence Constitution →
8
of 8 claims mapped
7
source dossiers
7
publication dates recorded
0
archives linked
0
exact locators
0
content captures hashed

Governance facts carried by the record

Operator
Badan Penanggulangan Bencana Daerah (BPBD) DKI Jakarta
Actor types
city-government
Funding model
mixed
Funding description
Jakarta city budget, with some warning posts granted by the Japanese government
Cost
Not recorded
Ownership
Not recorded
Decision rights
Not recorded
Exit conditions
Not recorded

7 source dossiers

BPBD DKI Jakarta — flood early warning bpbd.jakarta.go.id · 2 linked claims

Open original source ↗

Stable source ID
src-6b2808c4de85362e
Publisher
Name not classified · bpbd.jakarta.go.id
Type / language
web-page · language not classified
Published
2025-09-26
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-27
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

A standing agency page that carries no publication date.

Descriptive only — not page/paragraph exact
Claims linked
ANTARA News, 12 Nov 2024 — 90 digital early-warning posts installed antaranews.com · 3 linked claims

Open original source ↗

Stable source ID
src-1ed1ff738dc0035e
Publisher
Name not classified · antaranews.com
Type / language
web-page · language not classified
Published
2024-11-12
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-27
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

BPBD head of data and information Mohammad Yohan: 90 digital early-warning units installed during 2024 across 69 kelurahan; eight sensors per unit; alerts sent by radio, SMS and WhatsApp from BPBD headquarters; data feeds the SIMBA disaster information system.

Descriptive only — not page/paragraph exact
Claims linked
detikNews, 12 Nov 2024 — the digital flood warning devices news.detik.com · 1 linked claim

Open original source ↗

Stable source ID
src-faff4d1da4779670
Publisher
Name not classified · news.detik.com
Type / language
web-page · language not classified
Published
2024-11-12
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-27
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Per-district breakdown of the 90 units, and the predecessor loudspeaker generation: four horns on a pole, VHF digital radio link to the BPBD control room, roughly 500 m audible radius, three alert levels.

Descriptive only — not page/paragraph exact
Claims linked
Suara.com, 15 Jan 2020 — six loudspeaker sets for Rp 4 billion suara.com · 1 linked claim

Open original source ↗

Stable source ID
src-84852568849c989c
Publisher
Name not classified · suara.com
Type / language
web-page · language not classified
Published
2020-01-15
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-27
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Fourteen warning sites already installed by 2019; six more budgeted at Rp 4,073,901,441 after the January 2020 flood; each set linked to automatic weather stations and water-level recorders; source of the cost controversy.

Descriptive only — not page/paragraph exact
Claims linked
detikNews, 5 Mar 2025 — councillor reports a warning device that did not sound news.detik.com · 2 linked claims

Open original source ↗

Stable source ID
src-fbdf25a00e2220e3
Publisher
Name not classified · news.detik.com
Type / language
web-page · language not classified
Published
2025-03-05
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-27
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Counterweight: councillor August Hamonangan reports the Pengadegan loudspeaker did not sound during the 3-4 March 2025 flood although Katulampa had reached a critical level, and asks whether the budget would be better spent on reservoirs and polders.

Descriptive only — not page/paragraph exact
Claims linked
Suara.com, 6 Mar 2025 — BPBD says the device works normally suara.com · 2 linked claims

Open original source ↗

Stable source ID
src-2b331abd73b523cb
Publisher
Name not classified · suara.com
Type / language
web-page · language not classified
Published
2025-03-06
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-27
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

BPBD's reply: an on-site check found the device working normally, and this particular unit was a Japanese government grant. Supports both the rebuttal and the mixed funding.

Descriptive only — not page/paragraph exact
Claims linked
Kompas Megapolitan, 5 Jul 2025 — nine hours from Katulampa to Jakarta megapolitan.kompas.com · 1 linked claim

Open original source ↗

Stable source ID
src-a977216450e531ce
Publisher
Name not classified · megapolitan.kompas.com
Type / language
web-page · language not classified
Published
2025-07-05
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-27
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Supports the lead time: a siaga 3 reading at the Katulampa weir in Bogor means the water is expected in Jakarta about nine hours later. Kompas blocks automated fetching (403); outlet, date and claim confirmed via search.

Descriptive only — not page/paragraph exact
Claims linked
Known limits of this passport
  • Publisher names and source languages have not yet been classified; domains are recorded without guessing.
  • Existing source notes are descriptive locators, not page- or paragraph-exact citations.
  • A missing archive, publication date or content hash is shown as null rather than inferred.
  • The project-level evidence grade ranks the strongest source in the entry; it is not a truth score for every claim.