Radon Vent Pipe Code
This chapter regulates energy efficiency for the design and construction of buildings regulated by the international residential code irc as adopted and amended by the state of minnesota.
Radon vent pipe code. Maintain a proper slope for condensate drain back. Maximum vented area per vent minimum pipe diameter 2500 sq ft 232 m2 3 inch 7 6 cm 4000 sq ft 372 m2 4 inch 10 cm. Minnesota energy code n1101 1 scope. Appendix f of the 2015 international residential code irc.
The radon code begins on the next page. Run a 3 inch or 4 inch solid pvc schedule 40 pipe like the ones commonly used for plumbing vertically from the gravel layer stubbed up when the slab is poured through the house s conditioned space and roof to safely vent radon and other soil gases outside above the house. Install either a complete loop of perforated 4 piping laid into the gravel around the interior of the footer or if the basement is under 1000 sf install 20 feet of perforated pipe out into the center. National green residential standard extensive radon provisions will be included in 2020.
An example of a radon control vent pipe. International residential code irc. A passive radon control system must be installed within any addition to a dwelling that currently has a code compliant radon control system incorporated into the existing dwelling section 1303 2400 subp. One option is a liquid filled manometer 10 to 30 online mounted on the pvc pipe.
The safety siren radon detector for example sounds an alarm when radon levels become dangerous 130 online. This chapter shall also be used to regulate energy. The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. Check out some basic requirements for running a radon vent pipe.
A 3 pvc pipe is the minimum permitted. Although serving a different purpose this vent pipe. Radon vent pipes through the roof are supposed to follow the plumbing code which requires 10 horizontal distance from any window or opening into the home unless the vent is 2 feet above the opening. Construction codes and licensing division web.
Table n104 1 foundation area per vent. The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. When the liquid level drops the system isn t working. Keep the vent supported every 8 inches vertically and 6 inches horizontally.
Electronic monitors that measure radon in the air are another option.