Q: Are unvented gas heaters allowed?
A: Yes, when they are equipped with an oxygen depletion sensor, and meet the BTU requirement in the International Mechanical Code.
Q: Are carbon monoxide detectors required?
A: No, not at this time.
Q: Is combustion air required for furnaces installed in a closet?
A: Yes, unless the furnace is electric or a direct vent type furnace.
Q: Are air conditioning and heating contractors required to be licensed?
Q: Where are smoke detectors required to be installed?
A: In the return duct.
Q: Are smoke detectors required in a mechanical system less than 2000 cubic feet per minute?
Q: Are smoke detectors required when more than system mixes air in anyway and the total air mixed exceeds 2000 Cubic feet per minute?
A: Yes. For example, one three ton air handler would not require a smoke detector. However, if two three ton air handlers mixed air (2400 Cubic feet per minute) both would require a smoke detector in their returns.
Q: Does the International Mechanical Code allow flex duct in a commercial building?
A: Yes, however they must be listed and labeled.
Q: Can a blanket type wrap material be used in lieu of a rated shat for a type one grease duct?
A: Yes, providing it is listed and labeled by a recognized testing agency.
Q: Is a P-trap required for swimming pool equipment?
A: Only if a discharging water from a back wash system.
Q: Is a plumbing permit and inspection needed to replace a water heater?
A: Yes, water heaters need to be brought up to the current code at the time of replacement.
Q: Is a drain pan required for a water heater?
Q: What if the water heater pan can not be piped to the outside?
A: Install a hose bib on the pan opening. This will enable the occupant to attach a hose and run it to the outside.
Q: What if the temperature and pressure relief valve can not be run to the outside?
A: We would require a Waggs valve or other approved similar technology.
Q: Are garbage disposals required to drain through the grease trap or intercepter?
A: Yes, only in commercial food establishments.
Q: Are commercial dishwashers required to drain through the grease trap or interceptor?
A: No, commercial dishwashers need to by pass the grease trap or interceptor.
Q: Can grease traps or interceptors be located inside the building?
A: Not without the prior approval.
Q: Can PVC be used in any building regardless to type of construction?
A: Yes, except through a HVAC return air plenum.
Q: Is Corrugated Stainless Steel Tubing allowed for gas piping?
A: Yes, when installed in accordance with International Fuel Gas Code and the manufactures installations requirements.
Q: Are air admittance valves allowed?
A: Yes, when they are listed and installed according to the International Plumbing Code, and the manufacture installations guide.
Q: Is solder and fluxes required to be lead free?
A: There is a very small acceptable amount allowed; however, if the roll of solder or flux is labeled lead free, it should fall into the parameters of acceptable levels.
Q: Do backflow devices need to be tested?
A: All testable back-flow devices need to be tested annually to ensure a good working status.
Q: Do back-flow devices need to be tested by a TCEQ Certified tester?
A: Yes, and the test report submitted to the Building Inspection dept. or Water utilities.
Q: What if a low income resident can not afford to have their repairs made?
A: The City of Irving Grants Department has Federal money available for emergency repairs to qualified residents. Call (972) 721-4800, ext. 4806