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  1. Builder Bob

    UL G752

    I assume you meant G572- None that I am aware of. Limitations of height are going ot be based on support and/or fire rating of floor/ceilng assembly
  2. Builder Bob

    How Germans do handrails

    They may meet codes in the US IF the handrails provided are within the required means of egress width - the middle handrail would not be required. Thus, could be ornamental art as such. 2021 IBC 1014.9. The design meets the requirement for handrails to be on both sides of the...
  3. Builder Bob

    A2L Refrigerant Piping installation Chase requirements silent in the building code

    Reference - Sorry forgot to add this 2021 and 2024 IMC Section 1109.2.5 (Rated shaft required if you penetrate more than 2floors....Paraphrased)
  4. Builder Bob

    A2L Refrigerant Piping installation Chase requirements silent in the building code

    Just a quick question - It appears that I can run Natural Gas or propane lines without Chases in a building but if I install A2L refrigerant I have to run it in a rated fire chase according to the Mechanical Code? ICC needs to coordinate the code books together to reflect the requirements of...
  5. Builder Bob

    What's wrong with these manufacturers?

    P Trap......, Sink Depth
  6. Builder Bob

    Can untreated wood studs replace metal studs in a non-load-bearing interior partition of a Type I or II building?

    Not in the IBC - The older SBCCI codes had an allowance that non load bearing partitions/walls could be constructed of wood as long as they were covered by Gypsum in Type IV Construction. (SBCCI Non-Combustible classification that equates to Type II B Construction in the IBC)- Yes I am that Old:)
  7. Builder Bob

    Corridor Q.

    Beer cooler is a foam plastic covered by al skin to meet building code requirements for fire flame spread and smoke development requirements - I am unaware of any Aluminum product that has a fire resistance rating - Low melting point - See 2603.4.1.2 and/or 2603.4.1.3.
  8. Builder Bob

    Dead End Corridors

    Based on unsymmetrical layout of units, this is R-2 Apartments - 50 feet dead ends allowed with NFPA 13 fire sprinkler system (903.3.1.1) -IMPORTANT NOTE: The dead-end corridor would not be allowed to exceed 20 feet with an NFPA 13R System.
  9. Builder Bob

    Rated walls between tenants?

    Besure to check 3006 medical gas requirements (might be an old refernce, but the fire code has specific requirements for medical gas)
  10. Builder Bob

    Condominiums and Accessible Units

    I think the key word is first occupancy ----
  11. Builder Bob

    Residential vs Commercial fire separation distance

    Usually the scope of the residential code applies to detached 1 &2 dwelling units or townhomes ------Our department also did not allow you to mix and match commercial codes and residential =such as using a fire wall between four attached units to create two 1 &2 family dwellings on each side of...
  12. Builder Bob

    Retirement

    mmarvel - Thannk you for the employment updates _ I wish you the best with retirement and family - FYI - I have "retired" twice but keep working for insurance _ Look foward to hearing about your retirement adventures - let me know if you get bored !!
  13. Builder Bob

    1-hour flat roof overhang detail - minimal roof thickness desired

    Hardee Plank (cement Board) does not carry the 1 hour rating due to heat transfer from the fasteners - Use FRTW and you can eliminate any coverning adding thickness....
  14. Builder Bob

    Origin of Egress Calculations

    I cannot confirm but I believe these calculations came from troop movment requirements on ships from WW2 with amphibous landing ships, I cannot point to a direct reference, but had a boss (900 years ago) who worked with WW 2 specifications for the Navy for amphibous landing ships for the WW2...
  15. Builder Bob

    How stupid are people?

    I believe that this came to be with the result of motels and the "newer" clothes steamer for removing winkles causing alot of activation of fire sprinler heads in various motels - I am almost 100% positive that this was in a motel room....... Holiday Inn Perhaps??? Corporate has had a few...
  16. Builder Bob

    Fire Wall between Type I and Type V - Combustible framing ok on one side of double fire wall?

    I disagree, the code always defaults to the most restrictive - therefore the three hour wall would have to meet Type I constuction IMHO.
  17. Builder Bob

    Airport hangars, lease line vs lot line

    Correction Chapter 35 - of the building code
  18. Builder Bob

    Airport hangars, lease line vs lot line

    You must look at the referenced code in chapter 45 ??? (so many code cycles that I have lost count) This will directly refernce the extent of a refernce stadard that can be enforced -
  19. Builder Bob

    Exterior door

    Be sure that the stairway egress meets the 50% rule for sprinklered buildings and that travel distances are within reaonable distance as allowed by the code- if the 50% rule is not met, or if travlel distance is not met, the egress may become hortizontal egress ( passgeway - vertical stairway on...
  20. Builder Bob

    Multi-story type A?

    In NC it depends upon the funding, sometimes multistory townhomes still require accessibilty to the first floor elements - almost like the accessible unit C in the code that has not been fully developed. i.e first floor restroom and accessible entrances may be requird for visitors --- but the...
  21. Builder Bob

    Locating mobility units in a multi-story alteration project

    Is the elevator accessility friendly ??? That may be the driving force
  22. Builder Bob

    apartment renovation accessibility requirements

    Typically, 20 % of the budget has to used increase accessibility - unless techincall unfeasible. Opinion may vary greatly dependent upon state and federal regulations.
  23. Builder Bob

    Question for plan reviewers..............today's rant

    remove furnishers as they change. NFPA 101 has information as it relates to measurement of path of travels especially as it relates to a fire fighter in smoke filled conditions- 12 inches off wall if i rememebr correctly,,,,,only 32 years of floor crawling in smoke filled enviroments - --- codes...
  24. Builder Bob

    Fire Curtains in Atrium (instead of fire wall)

    performance based code
  25. Builder Bob

    Engineering Creep

    alot of it depends upon seismic design category - If you exceed the four foot offset or place a window or door within four feet of a corner, or have a non box shapped house --- it really limits what you can do without involving an engineer -
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