Tamil Nadu Heat Wave Action Plan (TNSDMA) + BOCW Outdoor-Work Timing Restriction — Stop-Work / Banned-Hours Rule

Combines TNSDMA's 2019 Heat Wave Action Plan (public-health alert overlay, IMD-criteria-triggered) with the Tamil Nadu Labour Department's BOCW outdoor construction work timing restriction (10am-4pm, Notification No. 2/9958/2023, 9 May 2024).

Open Tamil Nadu Heat Wave Action Plan (TNSDMA) + BOCW Outdoor-Work Timing Restriction in the interactive Guidance Wiki →

Authority: Tamil Nadu State Disaster Management Authority / Tamil Nadu Labour Department (BOCW)
Jurisdiction: Tamil Nadu India
Legal status: Regulation
Rule type: Stop Work Rule
Standard ID: HGC-085

Governing formula

No standalone formula is published for this standard; see programmable logic and parameters below.

Stop-work / banned hours

Forecast maximum temperature (°C)	Result
35	None
36	None
37	None
38	None
39	None
40	None
41	None
42	None
43	None
44	None
45	Heat Wave
46	Heat Wave
47	Severe Heat Wave
48	Severe Heat Wave
49	Severe Heat Wave
50	Severe Heat Wave

Inputs

Required inputs: maxTempC

Optional inputs: outdoor, industry, shiftStart, shiftEnd

Sources

🇮🇳 Tamil Nadu Heat Wave Action Plan 2019 — Tamil Nadu State Disaster Management Authority (TNSDMA) / Commissionerate of Revenue Administration, Disaster Management & Mitigation (official)
🇮🇳 Tamil Nadu BOCW outdoor construction work timing restriction (10am-4pm), Notification No. 2/9958/2023 — TeamLease RegTech (secondary reporting on Government of Tamil Nadu notification, dated 9 May 2024) (secondary_reporting_on_official)

Update history

2026-07-01 · Added to the calculator
This standard was added to the calculator.