9 roofing kettles shall not block exits means of egress gates roadways or entrances.
Roof kettle operation noise.
Crane booms power lines.
Coal tar pitch safety.
A noisy roof rack can be very unpleasant and eliminating the noise should be a priority.
Light up burners out of the kettle s chamber if the kettle is not equipped with an auto light feature.
Precautions for kettle operation.
Always maintain one 20 lb abc type fire extinguisher on the roof in the area where hot asphalt operations are taking place.
Preparing for lp burner operation page 9 starting empty kettle using lp gas pages 9 10 for kettles with cold bitumen above the flues page 10 pumping hot to the roof page 11 withdrawal of hot bitumen from draincock page 12 shutting down kettle for the day page 12 maintaining hot pipe page 12 daily maintenance of roofing kettles page 12.
A nonoxidized or oxidized asphalt typically an ac 10 or ac 20 grade material.
Page 13 off back on its base.
Press the button 1 to open the lid.
Locate the kettle a minimum of 20 feet from any combustible material combustible building surface and building opening.
If necessary shorten the length of the power cable by winding it under the base.
Be careful and precise when lighting burners.
Hold the kettle by its handle when removing it from the base.
Do not use matches or lighters use a striker spark generator device.
With whisper quiet electric vehicles becoming mainstream manufacturers will have to step up their game to develop products that are quieter untill hopefully one day the noise from the roof will be a thing of the past.
Kettles may not be transported over any street road or highway when the heat source for the kettle is operating.
Hot pipe from the kettle to the roof.
A single line from the roof to the delivery valve on the kettle controls the flow.
Draw down kettles and add cold asphalt before leaving.
Operation by a minimum of one employee knowledgeable of the operations and hazards.
In no case shall kettles be closer than 10 ft 3 m from exits or means of egress.
Hot pipe joints insulated to avoid coal tar asphalt spill.
Lock drain cocks if possible.
Operation 3 2 operation 3.
The employee shall be within 25 ft 7 6 m of the kettle and have the kettle within sight.
Never place a kettle inside a building or on the roof of any structure.
The pipes of these systems should always be insulated or guarded to prevent burns from accidental contact.
Position and the led will turn off.
An oxidized asphalt used principally in the construction of built up roof ing and some modified bitumen systems.
Mopping grade asphalts are produced in four grades types i through iv according to the steepness of the roof.
Unfortunately it s this additional surface area especially when it extends past the rack s foot tower that adds to roof rack noise.