What should you do if a fire starts in an HDB flat, the electricity goes out, the lift stops or the water supply fails in 2027 or 2028? Treat immediate danger as an emergency, use the correct official service, and avoid improvised repairs. Call SCDF at 995 for fire or life-threatening medical emergencies; use the displayed Essential Maintenance Service Unit for a trapped lift; check SP Group for electricity supply interruptions and PUB for water issues.
A confirmed service change arrives on 1 January 2027: SCDF says the 1777 non-emergency ambulance hotline will cease. For non-emergency medical advice residents can use NurseFirst and the official information on private ambulance operators, while 995 remains for genuine emergencies. Existing electrical safety requirements and Home Fire Alarm Device standards also continue to apply; they should not be misreported as unannounced new 2028 policies.
This guide explains emergency priorities, safe fire evacuation, household smoke alarms, the RCCB electrical safety requirement, power-outage preparation, trapped-lift procedures, water and gas contacts, and family readiness. It moves from the first minutes of an incident to a repeatable monthly safety routine, with official sources for the procedures that must remain current.
Quick information when something goes wrong
- Fire or life-threatening medical emergency: SCDF 995.
- Police emergency: 999.
- 1777 non-emergency ambulance hotline is scheduled to cease 1 January 2027; verify replacement service routes.
- Electricity supply interruption: SP Group Electricity Service Centre 1800 778 8888.
- Water interruption: PUB 1800-2255-782 and official reporting channels.
- Trapped in an HDB lift: use the alarm and contact the displayed Essential Maintenance Service Unit; do not force the doors.
- Fire evacuation: follow SCDF instructions and use safe exit stairs rather than ordinary lifts.
- All residential premises must meet RCCB or ELCB requirements; test the device regularly.
- Keep a torchlight, charged backup power and updated emergency contacts accessible.
Your 33-chapter emergency-preparation guide
- 1. What residents actually need in a housing emergency
- 2. A confirmed January 2027 change in non-emergency ambulance access
- 3. Fire response: people before possessions
- 4. Never use an ordinary lift during a fire evacuation
- 5. High-rise fire plans depend on location
- 6. Home Fire Alarm Devices are important early warnings
- 7. Test the alarm and plan for replacement
- 8. Common corridors are part of the escape system
- 9. Cooking is a common preventable risk
- 10. Electrical fires have warning signs
- 11. The RCCB requirement is already in force
- 12. Learn how to test your RCCB safely
- 13. A power outage may affect only your flat
- 14. What to do in a wider electricity outage
- 15. Why an emergency bag belongs in an HDB flat
- 16. If a lift stops with people trapped inside
- 17. Lift breakdowns affect more than convenience
- 18. HDB and Town Council responsibilities differ
- 19. A water interruption needs initial checking
- 20. PUB’s 24-hour water contact
- 21. A burst pipe is not a DIY challenge
- 22. Ceiling leaks call for cooperation
- 23. Gas-related emergencies need immediate caution
- 24. Where to find local rescue equipment
- 25. An elderly household member may require a tailored plan
- 26. Children need simple instructions
- 27. Protect pets without delaying human evacuation
- 28. Do a monthly home safety round
- 29. An emergency contact sheet that can actually be used
- 30. Avoid misinformation during a disruption
- 31. Three worked examples of different responses
- 32. What changes to monitor during 2027–2028
- 33. Mastery: know what to do in the first three minutes
1. What residents actually need in a housing emergency
An HDB household needs to recognise a dangerous event, protect people first and contact the right service without losing minutes arguing over which agency owns the building. A kitchen fire, a trapped lift, a household power trip and a major water interruption feel like emergencies to the resident, but they have different causes and response channels. The most useful preparation is understanding the distinction before anything goes wrong.
In 2027 and 2028, new technology and estate upgrades may improve infrastructure, yet no home becomes exempt from breakdowns. A resilient plan uses clear contacts, a short safety routine and a fallback when electricity, water, mobility or communications are disrupted. The plan should be usable by a child, older resident or caregiver, not only the person who arranged the flat purchase.
2. A confirmed January 2027 change in non-emergency ambulance access
SCDF says the 1777 non-emergency ambulance hotline will cease from 1 January 2027. This is a specific announced service change, not a prediction. For non-emergency medical advice, SCDF points residents toward NurseFirst at 6262 6262, appropriate clinics and the published list of private ambulance operators where non-emergency transport is required.
Keep 995 for life-threatening emergencies such as cardiac arrest, serious breathing difficulty, major bleeding or stroke warning signs. The distinction matters because the availability of emergency response depends on resources being directed to genuine emergencies. Residents should update printed contact sheets before January 2027, rather than keep using a number that a relative memorised years earlier.
3. Fire response: people before possessions
If there is a fire in your home, alert others and evacuate when you cannot control it safely. Call SCDF at 995 and provide the exact address, block and level. Only attempt to extinguish a small fire if you can do so without endangering yourself or others. The need to save a laptop, document folder or appliance never justifies delaying escape through smoke or growing flames.
The location of the fire and your building’s conditions determine the safest route. Follow SCDF instructions and any legitimate on-site emergency announcements. Avoid returning to the flat for valuables. Establish where household members will meet and how to check that everyone, including guests and vulnerable residents, has been accounted for.
4. Never use an ordinary lift during a fire evacuation
SCDF’s high-rise guidance directs residents to use exit stairs rather than lifts during fire evacuation. Smoke, power failures and the movement of emergency equipment can make lift use unsafe. Some large buildings include fire lifts that can be operated by firefighters for emergency tasks; residents should not independently assume those are available for ordinary evacuation.
Learn the actual staircase location in the block before it is needed. A new resident should walk from the flat to a safe exit under normal conditions and note any door that requires particular operation. Keep the staircase clear and avoid storing objects on landings, because an obstacle becomes more dangerous in smoke or low visibility.
5. High-rise fire plans depend on location
In a super high-rise residential building, SCDF describes refuge floors as designated safe holding areas at intervals required by the building’s applicable fire design. They are not ordinary recreation decks or places for the storage of furniture. Their purpose is to offer a protected location during a specific emergency response, under the direction of the authorities.
Residents should learn how to recognise their building’s designated refuge areas if any, but should not invent the existence of such a floor in an older or shorter block. A refuge floor is a building-specific feature. In an incident, follow on-site instructions and SCDF’s guidance for the location and severity of the fire rather than applying a generic social-media evacuation rule to every block.
6. Home Fire Alarm Devices are important early warnings
SCDF requires Home Fire Alarm Devices in new residential premises and existing premises carrying out specified fire safety works under the relevant plan-submission arrangements introduced from 1 June 2018. Existing homes not undergoing those works are not universally required under the same rule, but SCDF strongly encourages homeowners to install suitable detectors for additional protection.
An early warning device is useful only when working. Know where it is installed, learn how it sounds and follow the manufacturer’s maintenance guidance. A detector can warn the household but cannot extinguish a fire or guarantee safe escape. Pair it with clear exits and safe household behaviour rather than treating the alarm as the entire fire plan.
7. Test the alarm and plan for replacement
SCDF recommends smoke-detection devices with a long-life built-in battery and provides specifications for qualifying HFADs. Older devices, exhausted batteries or badly positioned alarms can reduce reliability. A new resident should ask whether the unit has the relevant detectors, whether they are functional and who is responsible for keeping them in working order after handover.
Schedule a regular check according to the device’s instructions, with an immediate response to fault indications. Do not remove the alarm because a cooking activity caused an inconvenient alert; improve ventilation or ask a qualified professional about correct placement. The purpose is to receive warning early enough for safer action.
8. Common corridors are part of the escape system
SCDF’s residential-estate guidance warns against obstructing common corridors, staircases and firefighting equipment. A shoe rack, stored cupboard or old mattress may appear harmless in daylight but can prevent fast exit or slow emergency responders. The official guidance refers to maintaining a minimum clear width of 1.2 metres along relevant corridors, with staircases and landings clear.
Keep the route from the front door to the stairs unobstructed and report serious shared-space hazards to the Town Council or appropriate authority. Never block hose reels, risers or fire-fighting cabinets. The passage belongs to everyone who might need it in an emergency, including residents who use wheelchairs or have difficulty walking.
9. Cooking is a common preventable risk
Unattended cooking, grease accumulation and flammable items near a stove can quickly create a dangerous situation. SCDF’s home fire-safety materials emphasise attending to cooking, cleaning cooker hoods and avoiding overloaded areas around heat sources. A new kitchen with modern appliances still needs careful habits because the danger often arises from how equipment is used.
Create a routine for switching off heating appliances, keeping combustible packaging away and supervising cooking. Know how to respond to the specific type of fire: water is not suitable for an oil fire. If flames spread or the situation is unsafe, leave and call 995 rather than improvising a risky extinguishing technique.
10. Electrical fires have warning signs
Frayed wiring, overheating plugs, unusual burning smells and repeated power trips deserve attention. A new device can still be defective and an older installation can deteriorate behind walls. SCDF and EMA emphasise avoiding overloaded sockets, using compliant electrical products and getting qualified help for faults that are not clearly resolved.
If a switch, outlet or appliance is hot, smoking or damaged, stop using it and avoid touching unsafe exposed parts. Engage a Licensed Electrical Worker for installation faults or repairs that require professional expertise. A cheap adaptor is not good value if it exposes the household and neighbours to fire.
11. The RCCB requirement is already in force
EMA says homes are required to have an appropriate Residual Current Circuit Breaker or Earth Leakage Circuit Breaker, with a deadline for previously unprotected residential premises on 1 July 2025. That requirement continues into 2027 and 2028; it is not a new future proposal. The device helps cut power when dangerous current leakage is detected.
Older HDB properties may need particular attention because some were built before modern protective devices were commonly installed. Owners who are unsure whether their distribution board has suitable protection should use EMA guidance and an appropriate Licensed Electrical Worker. A simple assumption that the flat is old but ‘has always worked’ is not a safety assessment.
12. Learn how to test your RCCB safely
EMA recommends testing the RCCB about once a month using its test button and checking that the relevant circuits lose power as expected. The official guidance describes a controlled test and restoring supply afterwards. If pressing the button does not trip the protection, or some outlets remain powered when they should not, the device needs professional assessment.
Tell other household members before testing so sensitive equipment can be shut down appropriately. Do not dismantle the distribution board or touch exposed conductors. The homeowner’s role is to perform the straightforward user-level check and arrange qualified repair when the result indicates a problem.
13. A power outage may affect only your flat
When electricity fails, first assess whether the problem is confined to your unit or affects nearby homes and common areas. EMA’s power-outage guidance begins with understanding the extent of the outage rather than automatically blaming the utility provider. A tripped household circuit is different from a wider network interruption. The correct response depends on that distinction.
Use a battery-operated torchlight, not candles. If safe, disconnect sensitive devices or switch off appliances to protect them when power returns. Do not repeatedly reset a breaker that trips again without investigating the cause. If the fault is unclear, contact a suitable licensed professional.
14. What to do in a wider electricity outage
EMA advises residents to watch official SP Group and EMA updates for restoration information. SP Group publishes the Electricity Service Centre’s 24-hour hotline, 1800 778 8888, for electricity supply interruption. A local interruption does not mean every block in Singapore is affected, and rumours of an indefinite outage should not be treated as fact.
Keep refrigerator doors closed as much as practical, use charged power banks judiciously and prioritise important communications. Check on people whose mobility or essential home equipment may depend on power. Households relying on medical devices that require electricity should have professional contingency guidance tailored to the equipment rather than an improvised general plan.
15. Why an emergency bag belongs in an HDB flat
A practical ready bag can include a working torchlight, portable charging source, necessary medication information, emergency contact list and suitable basic supplies. EMA highlights lighting, battery power and accessible contacts as part of power-outage readiness. SCDF’s emergency handbook also explains broader family preparedness, including readiness for disruptions beyond fire.
Keep the bag somewhere reachable, not inside a storage cabinet blocked by heavy furniture. Test batteries periodically and review contents when a household member’s needs change. The bag should be light enough to carry; an oversized collection of gadgets that nobody can find is not an effective emergency resource.
16. If a lift stops with people trapped inside
EMA’s power-outage advice says a person trapped in a lift should sound the alarm and contact the Essential Maintenance Service Unit through the listed emergency arrangements. Do not force lift doors open, attempt to climb out or let untrained people perform a rescue. A stopped lift may be dangerous even when it appears near a landing.
Stay as calm as possible and follow the instructions received from the lift communications system or emergency responders. If a person inside faces an urgent medical emergency, notify the appropriate emergency service as well. The number for the relevant estate emergency maintenance unit is typically displayed at or inside the lift; familiarise yourself with it before trouble occurs.
17. Lift breakdowns affect more than convenience
An elderly person with a walking aid, a resident in a wheelchair or a parent carrying a baby may be unable to use stairs during a prolonged lift fault. A family should know how to obtain updates from the Town Council or the appointed lift service and how to seek assistance when access becomes unsafe or impractical. The issue is particularly important in older blocks with limited alternative lift routes.
Do not assume that every building has a second lift serving the same floors or a safe alternative route for every person. Check actual accessibility when buying or renting a home. A resident whose mobility is changing may need to revisit whether the flat and its block remain appropriate.
18. HDB and Town Council responsibilities differ
HDB explains that owners maintain the interior of their flats, while Town Councils manage common property such as corridors, lifts, water tanks, public lighting and open spaces. This separation helps determine where a fault should be reported. A failed common lift is not the same as a broken private power socket or leaking appliance.
During an emergency, protect people first and then contact the appropriate service. Afterwards, record the incident and any property damage. A quick fault report should include block, floor, exact equipment or location and a short description of what happened. Clear information helps maintenance workers act without repeatedly asking the resident to restate the problem.
19. A water interruption needs initial checking
PUB recommends checking whether a water interruption has been announced and whether the household has an active utilities account, particularly in a newly occupied flat. A single dry tap may reflect a private valve or fitting issue; low pressure across the whole block may involve common infrastructure or supply conditions. The immediate response should be based on safe observation rather than forcing plumbing parts open.
If the interruption is unannounced or there appears to be a significant supply fault, use PUB’s official reporting service or hotline. Keep water available for basic needs according to sensible household preparedness practices. For vulnerable people, the inability to wash, drink or prepare essential items can become urgent more quickly, so ask for appropriate support.
20. PUB’s 24-hour water contact
PUB publishes a 24-hour call centre at 1800-2255-782, with alternative contact details on its official website, for urgent water supply issues such as major pipe bursts and interruptions. Its help-and-feedback service also provides categories for no-water and low-pressure reports. SP Group separately handles utilities account and billing services. These agencies have related but distinct roles.
Describe whether the problem is confined to your flat, which taps are affected, any notice already received and whether neighbours have the same issue. Avoid publishing personal account numbers or photographs of bills in public chats. The priority is for the correct team to understand the supply problem quickly.
21. A burst pipe is not a DIY challenge
A major leak can damage flooring, electrical fittings and neighbouring units. Where safe, close the relevant accessible water valve and keep people away from wet electrical equipment. Contact the appropriate plumber, Town Council or PUB route depending on whether the fault is private, common property or the external supply. Do not attempt repairs to high-pressure systems without suitable skills and authorisation.
Document the area after people and electrical hazards are safe. If water is entering an electrical installation, seek expert guidance and avoid touching affected equipment. Preventing injuries is more important than taking photographs immediately. Later, record the repair findings for possible insurance or responsibility discussions.
22. Ceiling leaks call for cooperation
Water seeping through the slab between two private flats can involve both upstairs and downstairs owners. HDB provides guidance on responsibility and cost sharing for relevant inter-floor leaks, while a problem from common roof property is handled differently. The physical source must be established before assigning blame or agreeing on expensive repairs.
Speak to the neighbour and arrange a suitable inspection rather than relying only on the location of a stain. Keep dated photographs of the affected area, but do not enter another home without permission. A technical diagnosis may prevent an argument that lasts longer than the leak.
23. Gas-related emergencies need immediate caution
Gas odour or a suspected dangerous supply fault requires a different response from a routine billing enquiry. Do not operate electrical switches, create sparks or attempt amateur repairs around a suspected leak. Follow the supplier’s emergency instructions and move to safety as appropriate. SP Group publishes a gas emergency hotline at 1800 752 1800 for the relevant network.
Know whether the household uses piped gas, another approved supply arrangement or electricity-only cooking. Keep supplier details together with emergency contacts. If there is immediate danger to life or fire, use SCDF emergency services. The best response is not to test an uncertain situation with a flame.
24. Where to find local rescue equipment
SCDF’s 2026 Civil Defence Emergency Handbook highlights a Lifesavers’ Emergency Point initiative, involving AEDs and dry-powder extinguishers at HDB lift lobbies as deployment proceeds. This is useful public infrastructure, but its existence must be checked at the actual location rather than assumed for every block today.
Residents can familiarise themselves with nearby AED locations and learn first-aid skills from qualified providers. Equipment should be used according to its instructions and dispatcher guidance. Never delay calling 995 during a life-threatening event because someone is searching for a device that might not be installed at the block.
25. An elderly household member may require a tailored plan
A person who walks slowly, requires an assistive device or depends on regular medication may need more time to respond to an outage or evacuation. A family should discuss routes, safe meeting arrangements and who can provide help without putting others at risk. The plan must fit the actual building: a direct lift, stairs, refuge floor and outdoor route may each differ.
Keep emergency and medical details accessible to the appropriate caregivers while protecting privacy. Review the plan after a hospitalisation, mobility change or household move. If essential clinical equipment or care depends on electricity or building access, obtain professional advice about backup needs instead of assuming an ordinary ready bag is enough.
26. Children need simple instructions
Children can learn the address, how to alert a responsible adult, which exits are safe and when emergency services should be contacted. They should not be expected to extinguish a kitchen fire or rescue someone from a lift. An understandable family plan builds confidence without asking children to perform adult emergency tasks.
Practise identifying the staircase and a safe meeting location in normal daylight. Explain why lifts are not used during fire evacuation and why an emergency number must not be used for jokes. A short routine repeated occasionally is more memorable than a long instruction sheet kept in a drawer.
27. Protect pets without delaying human evacuation
Pets are part of many HDB households, but finding a frightened animal can become dangerous if smoke is spreading or a building needs evacuation. Prepare a suitable carrier and identify an ordinary way to bring animals to safety when time permits. Human safety and official evacuation instructions remain the priority during a serious incident.
Keep any pet licence, carrier and essential supplies organised and do not block exits with cages or large storage units. If a pet becomes trapped, inform responders rather than re-entering a dangerous building. Safety plans should anticipate what can be done quickly while recognising that no possession or animal search justifies endangering lives.
28. Do a monthly home safety round
Use a short recurring check: smoke alarm status, RCCB test, clear escape route, healthy electrical cords, safe cooking area, accessible torchlights and updated contacts. EMA recommends regular RCCB testing, and SCDF provides a Home Fire Safety Checker for identifying common risks. A homeowner does not need to be a professional engineer to perform these basic user-level observations.
Record any fault and arrange competent repair rather than leaving it on a list forever. A regular ten-minute inspection often catches small hazards before they become urgent. The point is not to frighten residents, but to turn safety into a routine as normal as cleaning the kitchen.
29. An emergency contact sheet that can actually be used
Write the full flat address, postal code, nearest access point, building or block number, Town Council contact, lift EMSU number, HDB residential contact and utility emergency services. Include 995 for emergencies and 999 for police emergencies, while following current SCDF guidance about non-emergency medical help. Keep the sheet near a convenient location and as a secure digital copy.
For 2027, update the non-emergency ambulance information because the 1777 hotline is scheduled to cease on 1 January 2027. Do not rely on an old fridge magnet. Review phone numbers against the official websites periodically. Accurate contact data has real value when a relative must act quickly without the homeowner present.
30. Avoid misinformation during a disruption
When a block loses power or a lift stops, unofficial group messages can spread rumours about sabotage, permanent closure or dangers affecting all nearby buildings. EMA advises checking its and SP Group’s official updates during power interruptions. Similarly, a reported fire should not be used to circulate unverified claims about casualties or who caused it.
Share the practical facts that neighbours need: location, relevant emergency warning and official contact. Do not disclose identities or private medical information without good reason. A helpful community chat can coordinate support, but only if it avoids turning uncertainty into panic.
31. Three worked examples of different responses
Example A: one home’s sockets stop working while the corridor remains lit. The resident checks for safe user-level indications and seeks a qualified electrician if the RCCB trips repeatedly or the cause is unclear. Example B: the entire block’s power fails and a person is trapped in a lift. The priority is the lift alarm and EMSU, official outage updates and emergency help if there is a life-threatening condition.
Example C: a bathroom leak affects a flat below. Residents first protect against water and electrical hazards, document the issue and coordinate inspection through the appropriate private or common-property route. These examples illustrate why ‘call HDB for everything’ is not a reliable emergency method.
32. What changes to monitor during 2027–2028
Watch SCDF guidance for emergency readiness and the January 2027 change in non-emergency medical conveyance, EMA and SP Group notices for electrical outages, PUB updates for water services, and Town Council notices for lift and common-area maintenance. These are concrete information channels. Do not invent a future national emergency rule simply because a new estate is under construction.
A new flat owner should check whether the building’s fire protection and alarm arrangements are appropriate and functional at key collection. An existing owner should focus on maintaining what is already installed. Both should revise their plan when family members’ needs change or official guidance is updated.
33. Mastery: know what to do in the first three minutes
A well-prepared HDB resident can recognise immediate danger, avoid unsafe improvisation, provide the correct address, choose the right emergency or maintenance service, and protect vulnerable household members. They also understand that a private electrical fault, an estate lift problem and a network-wide outage are not the same event. This knowledge is more valuable than memorising technical details that qualified responders are trained to manage.
The ultimate aim is to return safely to normal life. A good home has safe habits, working alarms, accessible exits, suitable professional maintenance and neighbours who can cooperate during a disruption. No article can replace emergency responders, but it can give readers a reliable first step before a crisis occurs.
Frequently asked questions
What number do I call for a serious fire in Singapore?
Call SCDF at 995, provide the exact location and follow emergency instructions.
Can I use the lift during fire evacuation?
No. Follow the applicable SCDF guidance and use the designated exit stairs unless directed otherwise by emergency responders.
What changes on 1 January 2027 for non-emergency ambulances?
SCDF says the 1777 hotline will cease; use current NurseFirst and published private-ambulance routes for non-emergency needs.
Must every old HDB flat install a Home Fire Alarm Device?
New premises and specified existing premises undergoing fire-safety works have mandatory requirements; other existing homes are strongly encouraged to install devices.
How often should I test my RCCB?
EMA recommends about once a month using the prescribed test procedure.
When did the RCCB compliance deadline pass?
The grace period for unprotected residential properties ended on 1 July 2025.
How do I report a broad electricity interruption?
Check SP Group and EMA updates; SP Group’s 24-hour Electricity Service Centre hotline is 1800 778 8888.
What if I am trapped in a lift?
Use the lift alarm and contact the displayed EMSU; do not force open the doors.
Who handles common-area lifts and corridor lighting?
The relevant Town Council ordinarily maintains common property such as lifts and common lighting.
What if there is no water in my flat?
Check for an announced interruption and account status, then use PUB’s official reporting channels when needed.
What is PUB’s water interruption contact?
PUB’s published 24-hour line is 1800-2255-782, with other current contacts on its website.
Are all HDB lift lobbies already equipped with an AED?
Do not assume so. SCDF’s Lifesavers’ Emergency Point initiative involves rollout; verify the equipment at the actual block.
Should I use candles during a blackout?
EMA recommends battery-operated torches, avoiding candle-related fire risks.
Can I repair damaged electrical wiring myself?
Use a qualified Licensed Electrical Worker for unsafe or unclear faults.
Where should I keep emergency contacts?
Store a current list with the address, Town Council/EMSU, utility and emergency numbers in accessible places.
Official emergency and utilities sources
- SCDF: 2026 Civil Defence Emergency Handbook
- SCDF: Home Fire Alarm Devices
- SCDF: Fire Outbreak in a High-Rise Building
- SCDF: Fire Safety Guidelines for Residential Estates
- SCDF: Emergency Medical Services and 2027 non-emergency change
- SCDF: Home Fire Safety Checker
- EMA: Staying Prepared for a Power Outage
- EMA: Home Electrical Safety and RCCB Requirements
- EMA: Test a Residual Current Circuit Breaker
- SP Group: Electricity and Utilities Emergency Contacts
- PUB: Report Water Supply Interruption
- PUB: Water Supply Emergency Contacts
- HDB: What Owners, Town Councils and HDB Branches Maintain
- HDB: Contact Channels and Emergency Hotline
Related eduKateSG problem-solving articles
- How to Solve Problems: HDB Lift Breakdown and Being Trapped
- What Happens in Toa Payoh: When an HDB Flat Loses Electricity
- What Happens in Toa Payoh: Water Supply Interruption
- What Is Next: Neighbour Noise and Corridor Safety
Fact-checked against published official sources on 5 November 2026. Emergency procedures, service contacts and dates should be verified with responsible authorities. In a live incident, follow dispatchers and trained responders; this article is general preparedness information, not a substitute for emergency instructions.