Title: Discussion Board
Course: HET 293 - HVAC and Building Codes > Section: HET 293 - HVAC and Building Codes

Chapter 7 discusses finishes and weather protection of residential buildings. HVAC installers and technicians should have a working knowledge of the processes and codes to be able to work with other tradesmen to perform a professional job. Time to time an installer will make penetration through wall for thermostats, flashing flue pipes, gas lines, and drain lines; therefore, it will be necessary for the installer to finish the job correctly. In the HVAC field technicians and installers work with all type of materials. Having the understanding of how to sealing and keeping the elements from outside. How to use flashing for flue pipes and outdoor refrigeration walk-in boxes is extremely vital to keep water outside the structure. There will be times when an installer will need to do minor flashing during the installation process.

Questions:

1. What is the purpose of flashing around flue pipes?
2. What is the process and components needed for installation of a B-Vent flue pipe through a roof?
3. What do you think it will take to flash a walk-in cooling located outdoors?
4. If this Walk-in will is against a brick building. Find a website for information on walk-ins to gain data to flash the walk-in cooler.
5. If you were replacing a flue pipe through a pitch roof and notice four layers of asphalt shingles, what steps should you take?

Chapter 8 explains principles of Health and Safety in residential buildings and it is a concern for both the contractor and the residence. Therefore, it is imperative that the worker be familiar with the codes and construction safety to eliminate any possible issues. Here are a few You Tube videos you may find helpful.

Watch these videos:

http://www.youtube.com/watch?v=1HGnDZwnLE0&feature=related

http://www.youtube.com/watch?v=BASYh-MVYlo&feature=related

http://www.youtube.com/watch?v=hkw17tTCuKU

Questions:

1. What are the requirements for landings with doors? Why do you believe it is important to have the code?

2. What are the codes for stairs?

3. What rooms need to have an emergency escape or rescue openings?