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Recent content by syarn

  1. syarn

    when is your service maxed?

    djlozzi it is a commercial project (restaurant). the electrical engineer insisted the existing service had to be made larger and the client finally acknowledged...so the dishwasher was removed from the scope. thx u. steve yarnall http://svyarchitect.blogspot.com/
  2. syarn

    when is your service maxed?

    if an engineer says "...The electrical panel is 400amp/240v/1 ph We currently have 335 amps connected to the panel before the addition of the dishwasher The dishwasher will overload the panel..." the dishwasher looks to have 50 rated amps, 60 amp minimum supply circuit conductor ampacity & 60...
  3. syarn

    roof insulation required on tenant upfit R-38?

    2009 IECC 2200sf type IIB assembly A-2 alteration of existing tenant space at covered mall building in austin texas to salad restaurant; does R-38 batt have to be installed below the deck minimum if insulation is added per table 502.2 (1)? the existing roof deck is R-6.24 and the engineer &...
  4. syarn

    metal stud wall diagonal bracing requirements

    it's for interior partitions only; no cladding just GWB; its prototype docs; the detail calls for studs to underside of deck AND diagonal bracing; not clear to me how the diagonal brace note got into the drawings & I never questioned it as it seemed to be a good conservative practice.... steve...
  5. syarn

    metal stud wall diagonal bracing requirements

    2009 IBC 1700 sf salad restaurant type IIB, no sprinklers 1 story shopping center shell upfit. new interior metal stud walls; the partition types called for bracing diagonally every 4' OC (prototypes). in richmond virgina they use slip track metal heads to attach walls to roof deck above....if...
  6. syarn

    metal stud limiting height - what is it?

    if I am building a demising partition wall with 6" metal studs from concrete slab to bottom of metal deck. the bottom of the deck is approx. 19' AFF. what is the typical load one should use - 5, 7.5 or 10 psf? what is the typical min. allowable deflection - l/120, l/240 or l/360? does...
  7. syarn

    III-A and V-A type wood framed buildings

    The exterior bearing walls in IIIA typically can NOT have materials that are considered combustible (basically ASTM 136 compliant plus composite materials like gyp bd). if the exterior wall is nonbearing AND has no required fire rating than fire-retardant-treated wood can be used HOWEVER any...
  8. syarn

    Construction Types

    B = Unprotected – Unprotected means that all structural members of a building or structure has no additional fire rated coating or cover. Exposed members are only fire resistant according to their natural ability and characteristics.... steve yarnall http://svyarchitect.blogspot.com/
  9. syarn

    weight of trane YCD120C3

    anybody have a doc showing the weight of a trane YCD120C3? steve yarnall http://svyarchitect.blogspot.com/
  10. syarn

    Exiting From Underground Parking Ramp

    2009 IBC table 1016.1 for S-2 occupancy requires 400 FT max to an exit with a NFPA13 fire sprinkler system.....IMO that includes the distance travelled from anywhere in the building area. steve yarnall http://svyarchitect.blogspot.com/
  11. syarn

    astm e119 - mtl stud track attach directly to steel beams/columns SFRM

    are there typical approved assemblies in UL, gypsum association or warnock hersey which INSTEAD of using the Z-clip to connect a stud wall allow the metal stud track to be directly attached to the steel beam/column AND than "embed" the stud track in the spray fireproofing being applied to the...
  12. syarn

    designing metal stud track to accomodate vertical deflection

    any recommodations on what methods or tables or resources to use to verify the amount of vertical deflection to design for accomodating in the head track of metal stud walls? I see some of the ways to allow is via single deep leg track, double track, slotted track or slotted clip angle...
  13. syarn

    NEC 700.16 emerg illumination - 2lamps OR 2fixtures

    not in the kitchen, dining area or hallway of the proposed restaurant. in the bathrooms it would be total darkness so we changed the EM fixture to a 2 bulb.... steve yarnall http://svyarchitect.blogspot.com/
  14. syarn

    NEC 700.16 emerg illumination - 2lamps OR 2fixtures

    NEC 700.16 emergency illumination calls that the "...failure of any individual lighting element, such as the burning out of a lamp, cannot leave in total darkness any space that requires emergency illumination..." do the message board participants think this means each individual emergency...
  15. syarn

    Table 1604.3 - Deflection Limits

    try this example for seeing how to apply note "F" [ 0.7 * component cladding windload ] for check of steel stud. http://www.steelnetwork.com/SSMA_S.aspx?link_id=12 my guess is for alucobond panels you would want similar data: dead load, live load, wind pressures for MWFRS and C&C, panel width...

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