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Home My WebLink About792 Clearview_RedactedNFIRS-1 Basic 40060 CA 01 11 2025 Fire Station 4 (FS4) 25-00241 0 FDID State Month Day Year Station Number Exposure Location Type Census tract: Street Address Intersection In Front Of Rear Of Adjacent To Directions US National Grid 792 CLEARVIEW Number Prefix Street or Highway Street Type Suffix San Luis Obispo CA 93401 Apt./Suite/Room City State Zip Code Cross Street Incident Type 111-Structure Fire Aid Given Or Received 1 Mutual Aid Received 2 Auto. Aid Received 3 Mutual Aid Given 4 Auto. Aid Given 5 Other Aid Given None CALFIRE (40080) Their FDID Their State Their Incident Number Dates and Times Alarm 01 11 2025 00:14 Arrival 01 11 2025 00:20 Controlled 01 11 2025 00:30 Last Unit Cleared 01 11 2025 01:57 Shifts and Alarms B 1 FZ4 Shift or Platoon Alarms District Special Studies 9244 3 - No, COVID 19 was not a factor ID#Value A B C D E1 E2 E3 Page 1 of 13 Actions Taken 10-Fire control or extinguishment, other Primary Action Taken Resources Apparatus or Personnel Module is used. Apparatus Personnel Suppression 5 14 EMS 0 0 Other 0 0 Resource counts include aid received resources. Estimated Dollar Losses and Values Losses:Required for all fires if known. Optional for all non-fires. None Property:$ 2,788.00 Contents:$ 2,091.00 Pre-Incident Values: Optional None Property:$ 278,760.00 Contents:$ 209,070.00 Completed Modules 2 - Fire 3 - Structure Fire 4 - Civilian Fire Cas. 5 - Fire Service Cas. 6 - EMS 7 - HazMat 8 - Wildland Fire 9 - Apparatus 10 - Personnel 11 - Arson Casualties None Deaths Injuries Fire Service 0 0 Civilian 0 0 Detector Required for Confined Fires 1 - Detector Alerted Occupants 2 - Detector Did Not Alert Them 3 - Unknown Hazardous Materials Release 1 - Natural Gas 2 - Propane Gas 3 - Gasoline 4 - Kerosene 5 - Diesel Fuel / Fuel Oil 6 - Household Solvents 7 - Motor Oil 8 - Paint 0 - Other None Mixed Use Property Not Mixed 10 - Assembly Use 20 - Education Use 33 - Medical Use 40 - Residential Use 51 - Row Of Stores 53 - Enclosed Mall 58 - Business and Residential 59 - Office Use 60 - Industrial Use 63 - Military Use 65 - Farm Use 00 - Other Mixed Use Property Use None Structures 131 Church, Place of Worship 161 Restaurant or Cafeteria 162 Bar/Tavern or Nightclub 213 Elementary School, Kindegarten 215 High School, Junior High 241 College, Adult Education 311 Nursing Home 331 Hospital 341 Clinic, Clinic-Type Infirmary 342 Doctor/Dentist Office 361 Prison or Jail, Not Juvenile 419 1- or 2-Family Dwelling 429 MultiFamily Dwelling 439 Rooming/Boarding House 449 Commerical Hotel or Motel 459 Residential, Board and Care 464 Dormitory/Barracks 519 Food and Beverage Sales 539 Household Goods, Sales, Repairs 571 Gas or Service Station 579 Motor Vehicle/Boat Sales/Repairs 599 Business Office 615 Electric-Generating Plant 629 Laboratory/Science Laboratory 700 Manufacturing Plant 819 Livestock/Poultry Storage (Barn) 882 Non-Residential Parking Garage 891 Warehouse Outside 124 Playground or Park 655 Crops or Orchard 669 Forest (Timberland) 807 Outdoor Storage Area 919 Dump or Sanitary Landfill 931 Open Land or Field 936 Vacant Lot 938 Graded/Cared for Plot of Land 946 Lake, River, Stream 951 Railroad Right-of-Way 960 Other Street 961 Highway/Divided Highway 962 Residential Street/Driveway 981 Construction Site 984 Industrial Plant Yard Property Use: Description Look up and enter a Property Use code and description only if you have NOT checked a Property Use box. Person/Entity Involved Local Option Person/Entity Type Business Name (if applicable)Phone Number Mr., Ms., Mrs.First Name MI Last Name Suffix Number Prefix Street or Highway Street Type Suffix Post Office Box Apt./Suite/Room City State Zip Code F G1 G2 H1 H2 H3 I J K1 Page 2 of 13 Owner Local Option Person/Entity Type Business Name (if applicable)Phone Number Mr., Ms., Mrs.First Name MI Last Name Suffix Number Prefix Street or Highway Street Type Suffix Post Office Box Apt./Suite/Room City State Zip Code Remarks: Engine 4 was dispatched to a first alarm structure fire. Upon arrival E4 established Clearview IC and reported light white smoke coming from a two story residents with occupants out of the residence. E4 deployed attack line (cross-lay) as I faced to faced with building occupants (x3) and confirmed all occupants out and reported fire location. E4/E2 went interior to locate and extinguish fire and performed primary search. Utilizing TIC, fire was located in attic space adjacent to second story interior stairway and began to pull ceiling for fire access. E4 officer gave condition report that fire was located and was gaining access to area, Battalion 1 arrived on scene and assumed IC. E4/E2 was able to access attic space via master bedroom attic access and achieved knock down, fire was contained to (2) rafter bays directly adjacent to HVAC unit, crews overhauled the area for 100% extinguishment and assisted with investigation/damage assessment with B1, building official, and fire marshal. E4 obtained photos of fire area to assist with investigation. E4 worked with occupants and gas co. representative for incident stabilization. E4 rehabbed equipment and returned to service. Captain Child Authorization 25944 Child, Robert Engineer 01/11/2025 Officer In Charge ID Signature Position or Rank Assignment Date 25944 Child, Robert Engineer 01/11/2025 Member Making Report ID Signature Position or Rank Assignment Date K2 L M Page 3 of 13 NFIRS-2 Fire 40060 CA 01 11 2025 Fire Station 4 (FS4) 25-00241 0 FDID State Month Day Year Station Number Exposure Property Details B1 1 Not Residential Estimated number of residential living units in the building of origin whether or not all units became involved B2 Buildings Not Involved Number of buildings involved B3 None Less than 1 acre Acres burned (outside fires) On-Site Materials Or Products On-Site Materials Storage Use Ignition D1 74-Attic: vacant, crawl space above top story Area of Fire Origin D2 00-Heat source: other Heat Source D3 17-Structural member or framing Item First Ignited D4 63-Sawn wood, including all finished lumber Type of Material First Ignited Cause of Ignition 1 - Intentional 2 - Unintentional 3 - Failure of Equipment or Heat Source 4 - Act of Nature 5 - Cause Under Investigation U - Cause Undetermined After Investigation Factors Contributing to Ignition 30-Electrical failure, malfunction, other Factor Contributing to Ignition Human Factors Contributing to Ignition Check all applicable boxes None 1 - Asleep 2 - Possibly impaired by alcohol or drugs 3 - Unattended person 4 - Possibly Mentally Disabled 5 - Physically Disabled 6 - Multiple Persons Involved 7 - Age Was A Factor Estimated Age of Person Involved Male Female Equipment Involved In Ignition Equipment Involved Brand Model Serial # Year Equipment Power Source Equipment Power Source Equipment Portability 1 - Portable 2 - Stationary Portable equipment normally can be moved by one or two persons. Fire Suppression Factors A B C D E1 E2 E3 F1 F2 F3 G Page 4 of 13 Mobile Property Involved 1 - Not involved in ignition, but burned 2 - Involved in ignition, but did not burn 3 - Involved in ignition and burned None Mobile Property Type and Make Mobile Property Type Mobile Property Make Local Use Pre-Fire Plan Available Arson Report Attached Police Report Attached Coroner Report Attached Other Reports Attached Mobile Property Model Year State License Plate Number VIN _________________________ _________________________ _________________________ _________________________ _________________________ _________________________ H1 H2 Page 5 of 13 NFIRS-3 Structure Fire Structure Type 1 - Enclosed Building 2 - Portable/Mobile Structure 3 - Open Structure 4 - Air-Supported Structure 5 - Tent 6 - Open Platform 7 - Underground Structure 8 - Connective Structure 0 - Other Building Status 1 - Under Construction 2 - In Normal Use 3 - Idle, Not Routinely Used 4 - Under Major Renovation 5 - Vacant and Secured 6 - Vacant and Unsecured 7 - Being Demolished 0 - Other U - Undetermined Building Height 2 Number of Stories At/Above Grade 0 Number of Stories Below Grade Main Floor Size 2400 Total Square Feet OR BY Length (ft) X Width (ft) Fire Origin 2 Below Grade Story of Fire Origin Fire Spread Confined to Object of Origin 2 - Confined to Room of Origin 3 - Confined to Floor of Origin 4 - Confined to Building of Origin 5 - Beyond Building of Origin Number of Stories Damaged By Flame Number of Stories w/Minor Damage (1-24%) Number of Stories w/Significant Damage (25-49%) Number of Stories w/Heavy Damage (50-74%) Number of Stories w/Extreme Damage (75-100%) *Count the roof as part of the highest story Type of Material Contributing Most to Flame Spread K1 Item Contributing Most to Flame Spread K2 Type of Material Contributing Most To Flame Spread Presence of Detectors N - None Present 1 - Present U - Undetermined Detector Type 1 - Smoke 2 - Heat 3 - Combination of Smoke and Heat 4 - Sprinkler, Water Flow Detection 5 - More Than One Type Present 0 - Other U - Undetermined Detector Power Supply 1 - Battery Only 2 - Hardwire Only 3 - Plug-In 4 - Hardwire With Battery 5 - Plug-In With Battery 6 - Mechanical 7 - Multiple Detectors & Power Supplies 0 - Other U - Undetermined Detector Operation 1 - Fire Too Small To Activate 2 - Operated 3 - Failed To Operate U - Undetermined Detector Effectiveness 1 - Alerted Occupants, Occupants Responded 2 - Alerted Occupants, Occupants Failed to Respond 3 - There Were No Occupants 4 - Failed to Alert Occupants U - Undetermined Detector Failure Reason 1 - Power Failure, Shutoff, or Disconnect 2 - Improper Installation or Placement 3 - Defective 4 - Lack of Maintenance, Dirty 5 - Battery Missing or Disconnected 6 - Battery Discharged or Dead 0 - Other U - Undetermined I1 I2 I3 I4 J1 J2 J3 K L1 L2 L3 L4 L5 L6 Page 6 of 13 Presence of Automatic Extinguishing System N - None Present 1 - Present 2 - Partial System Present U - Undetermined Type of Automatic Extinguishing System 1 - Wet-Pipe Sprinkler 2 - Dry-Pipe Sprinkler 3 - Other Sprinkler System 4 - Dry Chemical System 5 - Foam System 6 - Halogen-Type System 7 - Carbon Dioxide System 0 - Other U - Undetermined Required if fire was within designed range of AES Operation of Automatic Extinguishing System 1 - Operated/Effective 2 - Operated/Not Effective 3 - Fire Too Small To Activate 4 - Failed To Operate 0 - Other U - Undetermined Required if fire was within designed range Number of Sprinkler Heads Operating Required if system operated Reason for Automatic Extinguishing System Failure 1 - System Shut Off 2 - Not Enough Agent Discharged 3 - Agent Discharged But Did Not Reach Fire 4 - Wrong Type of System 5 - Fire Not In Area Protected 6 - System Components Damaged 7 - Lack of Maintenance 8 - Manual Intervention 0 - Other U - Undetermined Required if system failed or not effective M1 M2 M3 M4 M5 Page 7 of 13 NFIRS-9 Apparatus or Resources 40060 CA 01 11 2025 Fire Station 4 (FS4) 25-00241 0 FDID State Month Day Year Station Number Exposure B Apparatus/Resource Dates/Times Sent Number of People Apparatus Use Actions Taken ID:BC1 Type:92-Chief officer car Dispatch:01/11/2025 00:14 Arrival:01/11/2025 00:23 Clear:01/11/2025 01:51 Sent 1 Suppression EMS Other 81-Incident command ID:E2 Type:11-Engine Dispatch:01/11/2025 00:14 Arrival:01/11/2025 00:21 Clear:01/11/2025 01:25 Sent 3 Suppression EMS Other 10-Fire control or extinguishment, other ID:E3 Type:11-Engine Dispatch:01/11/2025 00:14 Arrival:01/11/2025 00:27 Clear: Sent 3 Suppression EMS Other 10-Fire control or extinguishment, other ID:E4 Type:11-Engine Dispatch:01/11/2025 00:14 Arrival:01/11/2025 00:20 Clear:01/11/2025 01:57 Sent 3 Suppression EMS Other 10-Fire control or extinguishment, other ID:T1 Type:12-Truck or aerial Dispatch:01/11/2025 00:14 Arrival:01/11/2025 00:24 Clear: Sent 4 Suppression EMS Other 10-Fire control or extinguishment, other A Page 8 of 13 NFIRS-10 Personnel 40060 CA 01 11 2025 Fire Station 4 (FS4) 25-00241 0 FDID State Month Day Year Station Number Exposure A Page 9 of 13 B Apparatus/Resource Dates/Times Sent Number of People Apparatus Use Actions Taken ID:BC1 Type: 92-Chief officer car Dispatch:01/11/2025 00:14 Arrival:01/11/2025 00:23 Clear:01/11/2025 01:51 Sent 1 Suppression EMS Other 81-Incident command Personnel ID Name Rank Role Attend Actions Taken 41550 Hais, Ray Battalion Chief ID:E2 Type:11-Engine Dispatch:01/11/2025 00:14 Arrival:01/11/2025 00:21 Clear:01/11/2025 01:25 Sent 3 Suppression EMS Other 10-Fire control or extinguishment, other Personnel ID Name Rank Role Attend Actions Taken 66265 Nason, William Captain 92892 Woods, Mitchell Engineer 99162 Kraemer, Luke Firefighter ID:E3 Type:11-Engine Dispatch:01/11/2025 00:14 Arrival:01/11/2025 00:27 Clear: Sent 3 Suppression EMS Other 10-Fire control or extinguishment, other Personnel ID Name Rank Role Attend Actions Taken 36520 Gatton, Christopher Engineer 46543 Hicks, Judson Firefighter 92710 Witt, James Captain ID:E4 Type:11-Engine Dispatch:01/11/2025 00:14 Arrival:01/11/2025 00:20 Clear:01/11/2025 01:57 Sent 3 Suppression EMS Other 10-Fire control or extinguishment, other Personnel ID Name Rank Role Attend Actions Taken 100069 DeLeuw, Casey Firefighter 25944 Child, Robert Engineer 46955 Hoover, Nicholas Captain ID:T1 Type:12-Truck or aerial Dispatch:01/11/2025 00:14 Arrival:01/11/2025 00:24 Clear: Sent 4 Suppression EMS Other 10-Fire control or extinguishment, other Personnel ID Name Rank Role Attend Actions Taken 100068 Barkhimer, Jake Engineer 50826 Johnston, Kenneth Firefighter 60045 Lokkart, Eric Captain 70100 Polkow, Matthew Engineer Page 10 of 13 NFIRS-1S Supplemental 40060 CA 01 11 2025 Fire Station 4 (FS4) 25-00241 0 FDID State Month Day Year Station Number Exposure Primary Narrative: Engine 4 was dispatched to a first alarm structure fire. Upon arrival E4 established Clearview IC and reported light white smoke coming from a two story residents with occupants out of the residence. E4 deployed attack line (cross-lay) as I faced to faced with building occupants (x3) and confirmed all occupants out and reported fire location. E4/E2 went interior to locate and extinguish fire and performed primary search. Utilizing TIC, fire was located in attic space adjacent to second story interior stairway and began to pull ceiling for fire access. E4 officer gave condition report that fire was located and was gaining access to area, Battalion 1 arrived on scene and assumed IC. E4/E2 was able to access attic space via master bedroom attic access and achieved knock down, fire was contained to (2) rafter bays directly adjacent to HVAC unit, crews overhauled the area for 100% extinguishment and assisted with investigation/damage assessment with B1, building official, and fire marshal. E4 obtained photos of fire area to assist with investigation. E4 worked with occupants and gas co. representative for incident stabilization. E4 rehabbed equipment and returned to service. Captain Child Additional Narrative (#1 of 2 ): Battalion 1 responded to a report of a structure fire. While in route Engine 4 (Captain Child) arrived on scene and reported a 2 story residential structure with light smoke showing and occupants out of the building. Upon my arrival I assumed Clearview IC and assigned Engine 3 to Division A with Engine 4 and Engine 2 assigned to Div A working on fire attack and a primary search. Truck 1 was assigned to assess for vertical ventilation and Engine 21 was assigned to secure utilities and check for exposures. As stated in Captain Childs narrative the seat of the fire was located and extinguished. Building department official was notified and arrived on scene as well as PG and E and the Gas company. All utilities were turned off and building department was going to work with homeowner to pull the proper permits so he could begin repairs to the affected area. Once the fire was extinguished, I contacted Fire Marshall Daniels, and we began our investigation with the help of Engine 4. Fire was contained to a small area of the attic with minimal damage to the house. For full report on cause and origin please see Fire Marshall Daniels Narrative. BC Hais Additional Narrative (#2 of 2 ): SLO Fire Marshal J. Daniel SOURCE OF ACTIVITY On 1/11/25, at approximately 0014:02, San Luis Obispo County Dispatch received a 911 emergency call reporting a structure fire at 792 Clearview Ln., San Luis Obispo, CA. in the County of San Luis Obispo. Engine 4 (E4), Engine 3 (E3), Engine 2 (E2), Truck 1 (T1), Engine 21 (CalFire), and Battalion 1 (B1) all responded. First, arriving fire units reported light smoke coming from a two-story residential building. Incoming crews then initiated fire suppression efforts, and E4 called Clearview IC. At approximately 0045 hours, while I was at home on my regularly scheduled days off, dispatch called and requested that I, J. Daniel SLO FD Fire Marshal, call B1 on his cell phone. At approximately 0046 hours, I spoke to BC Hais over Facetime while his crews were in the end stages of fire suppression and overhaul. IC Childs and BC Hais assigned me to determine the origin and cause of this incident. I cleared the phone call at approximately 0130 hours. OBSERVATIONS/ACTIONS Observing via Facetime, I determined the AOO with the assistance of E4. I could see the attic's burn patterns and heavy charring to multiple structural members. Three trusses were significantly burnt during the burning phase of the fire, predominantly on the bottom cord component of the truss. Multiple vertical A Page 11 of 13 beams had minor to significant charring, and three ceiling joists had burn patterns. One joist was significantly burnt, with 16-18 inches of it missing on one end of the joist. The top plate of the load-bearing wall had significant burning with signs of alligatoring. The plywood under the HVAC unit had a large horizontal inverted "V" pattern, indicating the direction of the fire spread, obstacles the fire faced when spreading, and how long the fire was burning. There was a precise burn out of about 32 inches by 18 inches of missing material from the plywood in the same area as the burned and missing joist member. INVESTIGATION My investigation actions and findings result from a scientific investigation of fire origin and cause. Methodology The methodology I utilized during this investigation consisted of identifying all available data for origin determination, including witness accounts, an initial scene assessment, development of a preliminary fire spread hypothesis, an in-depth examination of the fire scene, reconstruction of the fire scene, development of a final fire spread hypothesis, and identification of the fire's origin. I identified all available data for cause determination, including ignition sources, fuel packages, oxidizers, and circumstances. I used all available resources to develop fire-cause hypotheses and determine which hypotheses fit all the credible data available to determine the cause of this fire. During my investigation, I obtained witness statements. I interviewed over the phone because the homeowner was out of the area. The following is a summary of the statements I collected. Summary of Statements Address: 792 Clearview Ln., San Luis Obispo, CA. 93401 Phone: Homeowner stated she was on vacation in . when she received a text message from her Apple HomePod notifying her that a smoke alarm had been triggered and alarming. She immediately called 911 from her cell phone and requested a response from SLO FD. She stated her son was home, and they could not get ahold of him by phone. Homeowner stated that during the last week leading up to the fire, the family smelled something burning, and the family members described the smell as sweet. She denies any recent remodeling of the house and no work being done to the HVAC unit. END OF STATEMENT Scene Examination This fire scene consists of a two-story single-family residence made of ordinary combustible building materials with a tile roof. General Construction: Type 5 construction Systematic Approach I began my investigation by systematically and methodically (over Facetime) walking through the fire scene, from exterior to interior, identifying all available data to determine where and how the fire started. EXTERIOR The fire personnel found nothing remarkable outside the structure. Roof operations checked the roof for extension, and no damage was reported. The 360 report also found no evidence of damage or involvement in the cause of the fire. Fire suppression crews turned off utilities. INTERIOR I entered the structure through the A side entrance door via Facetime and with BC Hais. BC Hais showed me the path from the door to the stairwell to the second floor, the hallway, and the attic. Alarm/Smoke Detector/Protection/Security I observed a smoke detector in the hallway. At the time of my examination, the smoke detector was not sounding an alarm and had a battery. Initial reports from the fire suppression crews and homeowners stated it was operational and is credited with giving the residents an early warning of fire danger. Hall From the hallway, looking up into the affected area, I could see drywall removed by fire suppression crews checking for an extension. The fire patterns and indicators I observed showed the fire was primarily electrical. The remaining ceiling joist parallel to the joist with the most significant burn had a chared ring around the hole the electrical Romex was running through. Attic Once in the attic, I observed the HVAC unit and its condition, which was found by fire suppression crews. BC Hais, Capt. Child's, and I all found pertinent negatives, ruling out the HVAC as an ignition source. No soot was found in and around the registers, the ductwork, or smoke residue on the unit itself. The large layer of dust found on top of the unit indicated the HVAC unit itself never reached a temperature hot enough to burn off the dust. The mechanical and electrical components were intact, with no sign of damage from heat or fire. Area of Origin (AOO) After careful consideration, with all credible data accounted for and all credible alternate origin hypotheses considered and eliminated, the area of origin was the top plate of the load-bearing wall just underneath the HVAC unit. The area had Romex that had many signs of damage, fraying, and beading, along with signs of a slow burn in the structural members of the attic. At one point, the combustible components in the area of origin and the atmospheric oxygen completed the fire tetrahedron, causing the fire to spread rapidly. AOO Competent Ignition Sources I evaluated and assisted all AOO-competent ignition sources in the area, and the only one found to support the hypothesis was electrical wiring failure. FIRE CAUSE IGNITION SOURCE: Electrical MATERIAL FIRST IGNITED: Common combustible construction material found in the attic OXIDANT: Oxygen from the surrounding air EVENT WHICH BROUGHT IGNITION SOURCE AND MATERIAL FIRST IGNITED TOGETHER: A failed insulated Romex wire running Page 12 of 13 along the top plate and through the ceiling joist started the ignition sequences over some time to the point of the ignition phase of burning—supporting the fire to the incipient phase of burning. Once the incipient phase found enough fuel and oxygen, the fire became free burning in the attic. Apparatus Narrative for BC1: NA Apparatus Narrative for E3: na Apparatus Narrative for E4: wake up/turn out Apparatus Narrative for T1: na Page 13 of 13