Trusted Civil, Structural and Environmental Engineers in Mississauga, ON

We now have new energy codes coming out which will soon become part of the Ontario Building Code. R value will vary for type of occupancy and geographical location. For an example a residential apartment in Toronto area requires R 20. That same apartment building in Timmins may require R24 or higher. An industrial building in Toronto may require R 12 minimum but in Virginia this value may be lower. Several states also have their own building codes. You should always inquire with your local government building department to determine what codes govern your area.

The Occupational Health Act and Construction Codes of your state or provincial area will direct you to the requirements for safety on site. In general any worker working closer than 2.4 meters from the roof edge should be tied off. Tie off points do not include ladders on walls, vents, etc.. They do include fall restraint or fall arrest anchor systems. It is the responsibility of not only the worker and contractor to ensure safety but the owner and his representatives on site. Safety barriers or warning lines are also mandatory on all construction sites greater than one storey.

The inverted roof cannot be scanned. A loose laid ballasted roof can only be scanned under specific environmental and temperature conditions and should not be tried by inexperienced thermographers.

Yes. A thermographer should verify during the scan with electrical capacitance or moisture meters. Further destructive testing is required i.e. moisture probe verification with a Delmhorst moisture meter or core cut tests are required to verify the presence of moisture.

If you plant is controlled by ISO 9000 or insurance requirements at least once every year. Scan the complete electrical system including your switch gear, motor control centres, bus duct work, distribution panels, equipment panels and emergency systems.