FIRE ALARM (LOC)
Btwn UPPER YORK RD & LAUREL RD/
TR46 E46
Dispatched 1:13 PM
ClearedETA
8m
DIST
3.7mi
HYD
NO
PREPLAN
N
PRIORS
7
4 of 7 priors were alarm activations · 1 in last 6 months · no actual fires
Another alarm here within 30 days: about 1 in 5 (22% for addresses with 1 or 2 in six months)
Dispatch
BSMNT SMOKE ZONE 26
Caller: ADT OPER 325819
Temp
76°F
Wind
5 SSW
Conditions
Cloudy
Humidity
87%
Prior Calls at This Address (7)
4 of 7 priors were alarm activations · 1 in last 6 months · no actual fires
Size-Up Reference
Zone: 26
Wind: 5mph SSW
7 prior calls at this address
Rural water supply — tanker dispatched
Structure
Wood Frame Townhouse
Occupancy
Residential
Footprint
4,126 sq ft
Construction
Wood Frame
🚨 Incident Snapshot
moderateFire alarm activation — basement smoke zone
Wood-frame townhouse, residential
5 prior alarms at this location, 3 cancelled en route, 2 system malfunctions
⚠️ Primary Risk Signals
Alarm history suggests nuisance pattern
Confirm actual fire conditions on arrival
If no smoke/flame visible, investigate basement for malfunction or cooking odor
Wood-frame construction
Fire will spread rapidly if real
Prioritize basement access and source location
Basement smoke zone
Limited ventilation in basement
Smoke may be trapped or backing up from appliances
🌬️ Environmental Conditions
Light wind 5 mph SSW
Minimal fire spread driver
Humidity 87% may slow fire if ignited
🔥 Fire Behavior Cue
If real fire in wood-frame basement
Fire will travel vertically through walls and floor joists
Monitor first-floor ceiling and upper floors for signs of spread
✔️ Confirm on Arrival
Smoke conditions
Visible basement smoke or odor, or clear air — determines investigation depth
Basement access
Locate basement entry point
Note if door locked or blocked
Fire alarm panel status
Which zone triggered, when, and current status
Check if malfunction code displayed
Appliance check
Basement furnace, water heater, dryer status
Look for recent cooking odor drift
🧠 Common Causes
Furnace or water heater malfunction
Cooking odor from upper floors backing into basement
Detector sensitivity issue or dust contamination
Electrical or HVAC equipment fault