Safety & Security — System Brief

Detection, suppression, deterrence, and evacuation readiness across seven components — from fire suppression to radon to access control. The single most important thing to get right across this system: prepare before the emergency, not during it. Every system here fails if the setup work hasn’t been done in advance — and none of them give you a second chance to do it under pressure.

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The rules that matter most (system-wide tripwires)

These are the highest-stakes conditional rules pulled across all components. Each fires on a trigger, not a clock.

• If you use a fire extinguisher even partially → recharge it before returning it to service. A partially discharged extinguisher has unknown remaining pressure and will fail in the next emergency. → fire-extinguishers (Home Systems)

• If a fire is larger than a wastebasket or you don’t have a clear exit behind you → don’t fight it. Evacuate. An extinguisher has 8–15 seconds of discharge time and is not a tool for a spreading fire. → fire-extinguishers (Home Systems), evacuation-plan (Home Systems)

• If a smoke alarm sounds or you smell smoke → get out immediately; do not collect belongings; do not use the elevator. In a strata, pull the alarm on the way out. → evacuation-plan (Home Systems)

• If the ground shakes → Drop, Cover, and Hold On. Stay inside during shaking. Fire and earthquake demand opposite first moves — this is the critical fork. → evacuation-plan (Home Systems)

• If you smell gas after an earthquake → leave immediately without touching switches; call FortisBC (1-800-663-9911) from outside. Do not restore gas yourself. → evacuation-plan (Home Systems)

• If a sprinkler head is leaking, corroded, or was physically struck → do not touch it; call your strata manager immediately. Discharge causes water damage across multiple units in minutes at approximately $1,000 per minute. → fire-sprinkler (Home Systems)

• If anything is hanging from, painted on, or stored within 18 inches below a sprinkler head → remove it immediately. Obstruction disables the head and creates liability if a fire then damages other units. → fire-sprinkler (Home Systems)

• If a sprinkler head accidentally discharges → call 911 and your strata manager simultaneously. Speed of response directly determines the extent of damage. → fire-sprinkler (Home Systems)

• If you choose a monitored alarm → choose cellular backup, not WiFi-only. A burglar can cut your internet; the cellular communicator bypasses this. → alarm-system (Home Systems)

• If you are in Metro Vancouver with a monitored alarm → register a municipal alarm permit before the system goes live. Vancouver suspends police response after three false alarms in 12 months; Surrey charges $133–$165 per false-alarm call. → alarm-system (Home Systems)

• If a camera can see a neighbour’s yard, windows, or private space → you are likely violating BC’s Privacy Act and PIPA. Aim cameras at your own entries only. → security-cameras (Home Systems)

• If a camera is on your home network with its default password unchanged → it is a likely botnet target. Change credentials before the camera goes online. → security-cameras (Home Systems)

• On move-in, rekey (or replace) every exterior lock before you sleep there. You do not know how many key copies exist from previous owners, tradespeople, and construction master-keys. → locks-keys (Home Systems)

• If a radon long-term test comes back above 200 Bq/m³ → hire a C-NRPP-certified mitigation professional. Active sub-slab depressurization reduces levels by over 80% and is the only Health Canada-endorsed approach. → radon (Home Systems)

• Do not assume you are safe from radon because you are in Metro Vancouver. Metro Vancouver has Canada’s lowest average (17.1 Bq/m³), but radon is house-specific — test to know. → radon (Home Systems)

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Component-by-component

Component	The one thing to watch	Owner vs pro
fire-extinguishers (Home Systems)	After any discharge (even partial), recharge before returning to service — a discharged extinguisher fails silently	Monthly gauge check = owner; annual ASTTBC inspection = pro (mandatory in multi-unit BC buildings)
fire-sprinkler (Home Systems)	Never hang from, paint, or obstruct a sprinkler head — obstruction disables suppression and creates SPA s.158 deductible liability	Owner scope = visual inspection + reporting only; all system work = strata’s certified contractor
alarm-system (Home Systems)	Cellular backup is the structural weak point most buyers miss — WiFi-only systems can be disabled before they dispatch	DIY or pro install; monitoring station must be ULC-certified for full insurance discount
security-cameras (Home Systems)	Default credentials and unpatched firmware are the two most-exploited attack surfaces — change before cameras go online	DIY hardening; in-wall cabling = TSBC-licensed electrician; strata exterior mount = council approval required
locks-keys (Home Systems)	The real defence against kick-in is 3-inch strike plate screws into the framing, not a better lock cylinder	Rekeying = locksmith; strike plate upgrade = owner DIY ($10 in hardware)
radon (Home Systems)	Radon produces no smell or visible sign — an elevated test result is the only warning	Testing = owner DIY ($40–$75 kit); mitigation = C-NRPP-certified professional only
evacuation-plan (Home Systems)	No plan at all is the most common failure — people freeze or make dangerous improvisations in smoke	No licensed trade required; all setup is owner-executed

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Recurring upkeep at a glance

These are the scheduled maintenance rhythms across this system. Cross-linked to Maintenance Calendar (Home Systems).

Monthly

• Fire extinguishers: 30-second gauge check — needle in green, pin intact, no obstruction.
• Fire sprinkler (strata): visual pass of all heads — no corrosion, drips, paint, or items within 18 inches.
• Alarm system: full system test — arm, trigger a zone, confirm monitoring station receives signal.
• Security cameras: no check needed (firmware is quarterly; see below).

Every 3 months

• Security cameras: check and apply firmware updates on all cameras and NVR.

Twice yearly

• Evacuation plan: run the fire escape drill — once in daylight, once at night.

Annually

• Fire extinguishers: professional ASTTBC inspection and tag (required for multi-unit BC buildings; strongly recommended for all homes).
• Alarm system: replace panel backup battery; renew municipal alarm permit; review and purge user codes.
• Security cameras: coverage audit — angles, blind spots, night-vision range, confirm no neighbour private areas in frame.
• Locks & keys: lubricate all exterior cylinders with graphite powder; test deadbolt throw (full extension confirmed).
• Radon (if ASD system installed): check manometer — confirm unequal liquid levels and audible fan hum.
• Evacuation plan: rotate emergency kit water and food; update document copies in grab-and-go bag.

Every 5 years

• Radon: redeploy long-term alpha-track test kit during the heating season (October–April).

Cadence-triggered

• Fire extinguishers: every ~6 years = internal maintenance (rechargeable units); every ~12 years = hydrostatic pressure test.
• Fire extinguishers: disposable units — replace at printed expiry date.
• Evacuation plan: after any earthquake, inspect furniture straps and water heater strap for loosening.
• Locks & keys: after any locksmith visit, contractor work, or tenant turnover — rekey again; key control resets every time a working key leaves the home.

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Biggest-cost / irreversible decisions

These are the decisions this system surfaces that touch finance-replacement-reserves (Home Systems) or warrant the full The Decision Lifecycle.

Fire sprinkler — deductible chargeback (strata). The dominant financial risk in this system. An accidental sprinkler discharge in your unit can trigger a strata deductible chargeback of $25,000–$250,000+ under SPA s.158. This is irreversible once incurred and far exceeds the high-cost threshold. The preventive levers (maintain 18-inch clearance, do not paint heads, report damage immediately) are the only available protection. Confirm in writing with your broker whether your personal policy covers the chargeback — many exclude “liability assumed under contract.” → fire-sprinkler (Home Systems)

Radon mitigation. A long-term test result above 200 Bq/m³ triggers a one-time capital expenditure of $2,500–$3,800 (BC, standard slab) for active sub-slab depressurization, plus $50–$75/year operating cost. Once installed it becomes a permanent home feature — not easily reversed, but not a difficult decision: effectiveness is high (>80% reduction), cost is modest relative to the health risk, and the trigger (confirmed test result) is unambiguous. Does not require full ensemble research — the decision logic is clear. → radon (Home Systems)

Alarm system — full system replacement. Replacing an outdated or WiFi-only system costs $200–$2,000+ (equipment) plus $35–$65/month monitoring. Crosses the $500 threshold for full professional systems but is not irreversible. Use the Decision Lifecycle primarily to choose wired-vs-wireless and local-vs-cloud storage architecture, since cabling choices are sticky (re-running Cat6 through walls is meaningful rework). → alarm-system (Home Systems)

Security cameras — full wired PoE system. A 4-camera wired system runs $2,000–$3,500 installed (Metro Vancouver). The architecture choice (wired vs wireless, local NVR vs cloud) is the sticky decision — routing cable through walls is not easily undone. Individual camera replacement ($150–$400) is low-cost and reversible; the system-level architecture decision is what warrants the Decision Lifecycle. → security-cameras (Home Systems)

Fire extinguisher — replace vs recharge. Low-cost and fully reversible. A 5 lb ABC unit costs $85–$130 to purchase vs $15–$50 to recharge. Decision rule: recharge if the unit is under 12 years old and structurally sound; replace if old, damaged, or approaching 12-year hydrotest. No full Decision Lifecycle needed. → fire-extinguishers (Home Systems)

Locks — exterior door or frame replacement. Individual rekeying ($115–$175) and deadbolt replacement ($150–$350) are reversible and low-cost. Frame replacement crosses $500 and is irreversible — that is when the full Decision Lifecycle applies. → locks-keys (Home Systems)

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Strata vs detached

The strata/owner split runs differently across components in this system.

Strata corporation is responsible for:

• The entire building fire sprinkler system — inspection, maintenance, repair, all NFPA 25 / BC Fire Code obligations. Owner scope is non-obstruction, visual reporting, and avoiding damage. → fire-sprinkler (Home Systems)
• Common-area fire extinguishers — hallways, parkade, amenity rooms; annual ASTTBC inspection and tagging. In-unit extinguishers are owner-provided and owner-maintained. → fire-extinguishers (Home Systems)
• Building-wide security infrastructure — intercom panels, lobby access-card systems, common-area cameras, fire alarm panels. Owners cannot modify these. → alarm-system (Home Systems), security-cameras (Home Systems)
• The building fire safety plan under BC Fire Code — evacuation procedures, Fire Safety Director, floor wardens, muster point. Owners must request this plan and know the muster point. → evacuation-plan (Home Systems)

Owner is responsible for (in a strata):

• In-unit fire extinguisher — purchase, maintain, arrange annual service.
• In-unit smoke and CO detectors (covered in smoke-co-detectors (Home Systems)).
• In-unit alarm sensors (door/window contacts, motion detectors on strata-lot-side surfaces) — no approval needed.
• Personal alarm permit registration — each unit is a separate permit; the building address does not cover individual units. → alarm-system (Home Systems)
• Any exterior camera mount or alteration — requires written strata council approval under Standard Bylaw 8 before installation. The BC CRT has ruled a doorbell camera is an alteration. → security-cameras (Home Systems)
• Unit door lock hardware — but confirm in writing with your strata manager whether the unit door is owner or common property before touching anything. A 2024 CRT ruling confirmed some unit entry doors are common property. → locks-keys (Home Systems)
• Radon testing and mitigation (detached). Strata ground-floor units should test; if levels exceed 200 Bq/m³, notify strata council — mitigation may involve common property. → radon (Home Systems)
• Personal emergency kit and grab-and-go bag. → evacuation-plan (Home Systems)

Radon profile note: radon is primarily a detached-home concern (profile: detached). For strata, relevance narrows to ground-floor and basement units with direct soil contact.

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What this brief is NOT

This brief is a synthesized rollup — one screen of prioritized rules and rhythm across the system. It is not a substitute for the component notes. Each component note in Safety & Security (Home Systems) contains the full mechanism, step-by-step maintenance procedures, triangulated pricing, BC-specific regulatory citations, strata-vs-owner liability analysis, discrimination tables for warning signs, and sourced vendor guidance. When a tripwire in this brief fires, go to the component note to execute.

For the full system index → Safety & Security (Home Systems)

For all Home Systems → Home Systems KB MOC