CARBON MONOXIDE ALARM
Btwn OLD MILL RD & W BRIDGE ST
E46
Dispatched 6:15 PM
ClearedETA
3m
DIST
0.8mi
HYD
104ft
Dispatch
2ND FLR UNITCO ALARM GOING OFFCOME IN FROM BRIDGE ST SIDENOT FEELING ILL
Caller: LARRY KELLER (215-499-8421)
Temp
68°F
Wind
5 E
Conditions
Cloudy
Humidity
65%
Water Supply
SW
45674 Old Mill Road New Hope
At corner of Ferry Street and Old Mill Road. Obscured by evergreen bushes
NE
72 West Bridge Street New Hope
Size-Up Reference
Sunset in ~40 min
No prior calls
Hydrant 29 — 104ft SW
At corner of Ferry Street and Old Mill Road. Obscured by evergreen bushes
Structure
Wood Frame Residential Dwelling
Occupancy
Residential
Footprint
5,626 sq ft
Construction
Wood Frame
🚨 Incident Snapshot
moderateCarbon monoxide alarm activation
2nd floor unit in residential wood-frame building
No occupant symptoms reported
⚠️ Primary Risk Signals
CO alarm activation
Confirm alarm type and location on arrival
Check for gas appliances, heating equipment, or exhaust sources
Multi-unit building exposure
CO may have spread via shared walls or HVAC
Check adjacent units if alarm persists
Approaching darkness
Sunset in ~40 min
Portable lighting staged early for thorough inspection
🌬️ Environmental Conditions
Light breeze 5 mph east
Ventilation will favor westward drift if exterior CO source
Cloudy, no sun glare on approach
✔️ Confirm on Arrival
Alarm location
Confirm 2nd floor unit number and alarm type (CO vs smoke)
Occupant status
Any symptoms present now, history of CO exposure, appliances in unit
Odor or visibility
Gas smell, exhaust odor, or visual hazard (furnace running, garage below)
Gas meter and utility status
Check external meter condition and pilot lights on appliances
🧠 Common Causes
Gas furnace or water heater malfunction
Attached garage with vehicle running or exhaust backflow
Blocked chimney or flue vent
Portable generator or grill near intake vents