2Types of Exposure Cigarette smoking on the roof or around flammables Sparks from cutting metal deckElectrical fires or exposed wiresSmoldering asphalt under roofKettle firesStorage of flammables near heat sourcesMechanical equipment firesFlash over with primer washBuilding fire caused by customer
3Fire Pyramid FIRE 3 Components of fire: 1. Fuel 2. Heat 3. Oxygen All three components are needed for a fire to survive!Take one of the three away, the fire will not survive!
4Categories of Fires CLASS A - Ordinary Combustibles CLASS B - Flammable or Combustible LiquidsCLASS C - ElectricalCLASS D - Combustible Metals
5Ordinary Combustibles Class AOrdinary CombustiblesExamples;PaperInsulationDried AdhesivesFiberboardClothingWood Deck
6Flammable or Combustible Liquids Class BFlammable or Combustible LiquidsExamples;GasolinePrimer WashSplicing CementAdhesivesCoatingsPropane
7Class C Electrical Points to remember: Never use water to extinguish! Check all cords and equipment before useDe-energize when not in useExposed wires are a fire hazard
8Fire Extinguishers Class A - For class A fires only Class B - For class B fires onlyClass AB - For both class A and B firesClass ABC - For class A, B, and C fires
9Fire ExtinguishersAt least one 10 pound fully charged ABC extinguishers for all roofing projectsWhen a kettle is present, an additional 10 & 20 pounds of ABC extinguishers are required
10Quick Question?What type of fire is this going to be?
11Which is the proper extinguisher to use for suppression of the previous fire? 2.1.
12Extinguishing Methods P. A. S. S. SystemPull - Pull pin
13Extinguishing Methods Aim - Aim nozzle at base of the fireSqueeze - Squeeze the handle together
14Extinguishing Methods Sweep - Sweep back and forth
15Extinguishing Methods Fire extinguishers can save lives and propertyOnly attempt to extinguish a fire if it is safe and you have been trained on proper useEvacuate the roof if the fire is out of control
16Extinguishing Kettle Fires Recommended ProcedureShut the lidShut off the fuel sourceRemember to do both!Use extinguisher when:Fire is no longer contained in kettleFire is out of ControlNEVER use water!
17Do Not Set Ladder Near Kettle!!!! Plan to EscapeReview escape plan before work beginsNever set up the kettle near access to the roofKeep the fire extinguishers in your work areaForemen, keep cell phone on you at all timesWRONG!!!Do Not Set Ladder Near Kettle!!!!
18Torch Safety Proper Torch Assembly Follow all Manufacturer’s RecommendationsUse only approved connection equipmentHand tighten parts and do not force connectionUse open end wrench to complete assemblyDo not use any type of thread sealant as they may be flammable
19Assembling Roofing Torches Inspect all equipment for damage before useInspect propane cylinder for dirtClose cylinder valve tightlyAttach torch following Manufacturer’s RecommendationsComplete leak test using soapy waterLeaks will cause bubbles to form
20Assembling Roofing Torches If leak is detected, close cylinder valve and disconnect all partsAttempt to reassembleIf leaks still exist, discontinue use and replace torchNever use open flame to check for leaks!
21Lighting Torches Wear required PPE Eye protection, gloves, long clothing to cover skinPrepare work area by clearing away debrisHave extinguishers present and secure propane tankAlert other workers and keep them awayOpen cylinder and keep torch away from bodyUse striker to ignite gas and adjust flameNEVER USE CIGARETTE LIGHTERS OR MATCH
22Torch Safety Always assume a torch at rest is lit Use leg stand to support torchShut torch off when not in useNever leave torch unattendedNever operate within 3 feet of other workersNever point torch towards flammable objects or areas you can not see clearly
23Torch Safety Use caution when using torch around: Roof openings, units & drainsRoofing materials and combustible deck
24Torch Safety Never turn propane cylinder on its side This does not increase fuel supply and is dangerousNever apply open flame to defrost cylindersUse caution when walking backwardsUse all required fall protectionBe aware of your surroundingsHave another employee serve as spotter
25Torch Disassembly Always disconnect torches at end of work day Inspect all components for damageReplace damaged componentsSet torch on side and close cylinder valveSqueeze torch trigger to purge remaining gasClose all valves and disconnect torchProperly store equipment & secure cylinders
26Fire Extinguisher Present Fire SpotterWhen cutting through metal deck:Mark off 10ft area belowHave a crew member stand below outside marked area to watch for smoke and fireSupply him with a hard hat, safety glasses, and a fully charged ABC rated fire extinguisherCorrect PPEFire Extinguisher Present
27Equipment Fire Extinguishers Gas Cans (no plastic) Propane tanks StrikersMaterial LabelingGFCI
28Placards & LabelingAll flammable and combustible materials must be properly labeledLabels should be kept clean and easily noticeableAll D.O.T. vehicles must have proper placardsNever remove or alter labels
29Placards & Labeling FIRE HAZARD Flash Points: -Will not burn -Above 200oF-Below 200oF-Below 100oF-Below 73oF
30Transportation & Storage Each truck (1) 5lb. ExtinguisherUpright and secure (includes all flammables and extinguishers)Out of or away from heatNO SMOKINGOn roof!In truck or van!Around storage areas!
31Kettle Set-Up / On Ground No WindowsBuilding TarpedHot Pipe Secure to 8’ RailAsphalt Stored NeatlyArea Flagged Off CorrectlyRubber Matting Under KettlePropane Secure 10’ from FlameProper PPE Worn20 lb. Fire ExtinguisherWheels Chalked
32Fire Extinguisher Present Kettle Set-Up / On RoofArea flagged off20 lb. Fire extinguisher presentFuel set 10 feet from ignitable source & secured in placePlywood under kettle if set on new roofProper PPE wornFlagged offFuelSourceFire Extinguisher Present
33Kettle PPE PPE Required for Kettle Operations: Hardhat with Attached Face Shield - the face shield prevents splashes from reaching the face and upper neckLeather Gloves - cuffs must be long enough to be tucked under sleevesLong Pants with No Cuffs - cuffs on pants may hold asphalt and allow it to burn youLong Sleeved Sweatshirt - preferably hooded to protect the back of your neck
34Working with Hot Asphalt While working with hot asphalt on the roof employees must wear:Leather gloves, Safety glasses, Long sleeved shirt, Long pants w/ no cuffs, and proper boots* Never use glue buckets or primer wash cans to transport hot, only hot buckets or approved containersNote: When pouring asphalt from pipe, a face shield is also required to be wornAll employees on the roof must wear safety glasses at all times.This will help to prevent asphalt from splashing into your eyes.
35PPE Example Hard Hat with Face Shield Hooded Sweatshirt Sleeves over Gloves & Duct TapedPant Legs over Work Boots
36Emergency Situations STAY CALM! What to tell operator: Callers nameLocationWhat happenedConditions of those affectedType of first aid given, if anyRemain on line until dispatcher hangs upSend someone to meet EMT’s
37EMERGENCY!!! SCENARIO #1-A coworkers clothes are on fire! Assess situationStop, drop, and rollSmother area with jacketUse extinguisher, only if necessaryNotify Supervisor
38EMERGENCY!!! SCENARIO #2 - Fire is out of control! Evacuate everyone Pull alarm in buildingCall 911Take roll call on groundNotify SupervisorFill out paper work
39EMERGENCY!!! SCENARIO #3 - Coworker is burned by hot asphalt! Assess situationUse potable water to cool burnNotify SupervisorApply clean dressings from first aid kitSeek medical attention
40Summary Always use caution with flammable materials and open flames Think Safety First to avoid burnsFire watch is needed for spark generating workOnly use strikers to light torchesNever use gasoline to clean handsOnly you can prevent roof fires!