What defines properly sized in 2012 IBC 2306.6?

My question is 2012 IBC 2308.6, last sentence, "A properly sized nut and washer..."  How is the properly sized nut and washer determined? A properly sized nut is a nut that is the same size as the bolt that is being installed. The washer should be properly sized to...

HVAC Systems and Hot Water Systems

My question is Are HVAC systems and hot water heaters located in garaged required to be protected from impact by a bollard or wheel barrier?  IRC 2012 Section M1307.3.1 - Protection From Impact says yes.  What if the MEP appliances are located in a agrage but in a...

Are Mechanically Affixed Service Panel Interlocks Allowed?

Question: My question is For possible power outages I'd like to obtain a gas generator and want to know if the mechanically affixed service panel interlocks are allowed by Georgia code? from Jim M Answer: Jim, Yes they are allowed but are not a common practice in...

Curb wall limitations

Question: Hi Karl, Our City recently prohibited the use of 3 1/2 " curb or stem wall from being used on the exterior load bearing wall of the garage.  We feel the code would require an 8" or possibly a 6" curb if that application is to be used to raise the exterior...

Drainage fixture units?

Hey Karl, My inspector tells me I have too many drainage fixture units for a 3 inch building drain.  I am not sure what he means or how to fix it.   Question: What is a drainage fixture unit?   Answer:  2012 IPC Section 710.  A Drainage Fixture Unit (dfu) is...

Can I have an exposed light over my shower?

Question:  Karl, can I have an exposed light bulb over the shower compartment in a new home? Answer: No. This is terrible on so many levels.  Remember safety first.  2017 NEC Section 410.10 Luminaries over the shower must be suitable for wet locations.  There is also...

Is a guard required for windows where the sill is close to the interior floor?

Hey Karl,   I am a building inspector and noticed a second story bedroom window where the sill is only 10 inches from the floor.  I thought there was a requirement to provide a guard on this window to prevent children from falling out. Question: Is a guard...

Karl the Code Guy: Do I need a fence if I have a pool?

Hey Karl, Question:  I live in Georgia and want to build a swimming pool on my property.  The contractor tells me that I have to have a fence/barrier around the pool, even though I have 5 acres of land.  Do I really need a fence? Answer:  Yes, Georgia has adopted the...

Karl the Code Guy: emergency escape required

Hey Karl, Code Question: I have a residential home with a bedroom on the ground floor. The window sill height is less than 44 inches off the interior floor but is 60 inches off the exterior grade. Does the window opening need to be 5.7 square feet or 5.0 square feet?...

Code Interpretations – Gas Shutoff Valves

According to the 2012 IFGC, gas shutoff valves shall be allowed to be placed in _. A) a furnace plenum B) a mechanical equipment room containing electric heating equipment that serves as a plenum C) a concealed chamber to which ducts are connected D) None Of The Above...

Code Interpretation – Swimming Pool

According to the 2012 IRC, which of the following would be considered a swimming pool? A) A hot tub that contains water more than 42 inches deep B) A spa that contains water 36 inches deep C) A structure that is constructed to contain water in excess of 24 inches...

Code Interpretation – Asphalt Shingle Installation

Question: According to the 2012 IRC, asphalt shingles shall be installed to resist the component and cladding loads specified in Table R301.2(2), adjusted for height and exposure in accordance with Table R301.2(3).   A)   TRUE B) FALSE  Answer: False  ...

Code Interpretation – Fire Separation Question

 Question: A set of plans have been submitted for a building that contains adjoining F-1 and S-1 occupancies. The documents do not show any fire separation between the two occupancies, which is allowed by Table 508.4 of the 2012 IBC. Are these occupancies considered...

 

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