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Recent content by bdog

  1. bdog

    UL 555C fire dampers

    U.L. 555 Standard for Fire Dampers (Summary) -------------------------------------------------------------------------------- UL 555 - Standard for Fire Dampers - Sections 1-10 The Fifth Edition of the U.L. Standard for Fire Dampers came into effect on May 31, 1995 replacing the fourth...
  2. bdog

    Relief Valve Discharge Pipe Reduction?

    Calculate the backpressure imposed by the downstream piping on the relief valve during a relief event. It may reduce the capacity of the valve. Though it is poor piping practice to have any piping reduction in relief discharge piping, you may be ok if the vessel is still protected from...
  3. bdog

    "Pressed" Manways

    Does anyone have a source for a formed or pressed manway for low to atmospheric tanks. I have seen what appears to be a single piece formed manway nozzle and flange that used ¼&quot; plate. Probably rated for < 50 psig.
  4. bdog

    north sea standards for the use of off shore baskets, skids..

    For GOM (Gulf of Mexico) offshore we use API RP 2A. &quot;Design of offshore structures&quot;. This recommended practice gives the allowable stresses and impact (lifting) factors necessary to to design structural skids and baskets.
  5. bdog

    Oil separator Temperature and Pressure Optimisation

    If you are trying to determine the optimum &quot;flash&quot; conditions (Presssure & Temperature) for OIL & GAS separation, run a flash calculation (available on the internet) from your known starting conditions (first separator pressure &temperature) and &quot;flash&quot; to the next separator...
  6. bdog

    DESIGN METHODS AND STANDARDS FOR RECTANGULAR STORAGE TANKS

    Omer W. Blodgett's &quot;design of Welded Structures&quot; Published by the Lincoln Arc Welding Foundation has a section on Tanks, Bins & Hopper design that is similiar to the methods in the Pressure Vessel Handbook.
  7. bdog

    Double Interpolation

    I have developed a spreadsheet that does double interpolatation by using lookup tables. Would be happy to e-mail you a copy. bdoize@fciconsultants.com
  8. bdog

    BELL 407 CONTACT PRESSURE

    Need contact pressure (psi forward & aft) from a Bell 407 landing gear loading @ maximum gross weight.
  9. bdog

    Vehicle Ramp

    Hydraulically operated loading ramps for Casino boats have been designed and installed on the Mississippi, Red and Ohio rivers. The technology is based on the offshore LiftBoat industry which has been elevating workbarges in inland and offshore waters for over 20 years by means of a hydrualic...
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