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    REUSABLE MERCURY TRAP COST COMPARISON

    This cost comparison is intended to compare the cost of using hand-made mercury traps to using our REUSABLE MERCURY TRAPS. The comparison is based on the average neon technician requiring approximately 30 seconds to make a mercury trap with 5mm tubulation glass, which includes the time it takes to get the glass out of the box and cutting it before blowing the bubble in the fire. The comparison is also based on the tubulation glass being cut to 6" lengths. This is a conservative figure as many shops cut their tubulation glass 8", 10" and even 12" long for making mercury traps.

    The labor cost is estimated at $15.00 per hour, which includes payroll expenses, benefits, other employee overhead and administrative expenses, thereby making the actual employee hourly rate roughly $11.00 to $12.00 per hour. Realizing that labor costs vary considerably this figure should be considered an arbitrary average. Glass cost is figured at $1.50 per pound for 5mm tubulation glass and does not include any shipping expense, which may or may not be a factor in your particular location. Because shop overhead also varies dramatically with location, number of employees, rent/mortgage payment, cost of utilities, etc., a conservative figure of $7.00 per hour for shop overhead was used. For a more accurate comparison use your actual labor, overhead and miscellaneous expenses.


    HAND-MADE TRAP

    LABOR: Includes removing glass from box, cutting the glass to 6 lengths and blowing the bubble.
    30 seconds each ( min.) x 60 minutes = 120 traps per hour.
    $15.00/hr. 120 traps = $ 0.12 each ($0.12 rounded down for ease of calculation)

    GLASS: Does not include shipping expense.
    5mm = approximately ten (10) 48" sticks per pound.
    48" per stick 6" each = 8 pieces per stick x 10 sticks = 80 pieces per pound.
    $1.50 per pound 80 pieces = $ 0.02 each (0.01875 rounded up to account for slight breakage loss)

    SHOP OVERHEAD: Based on $7.00 per hour.
    $7.00/hr. 120 traps per hour = $ 0.06 each (0.0583 rounded up)

    ESTIMATED TOTAL COST PER TRAP FOR A HAND-MADE MERCURY TRAP:
    LABOR ........................... $ 0.12
    GLASS ...........................
    $ 0.02
    OVERHEAD ....................
    $ 0.06
    TOTAL ............................ $ 0.20 EACH (LABOR IS 60% OF TOTAL COST)


    COST COMPARISON:

    HAND-MADE: You never stop making them! The more you make the more it costs per year.
    Based on making only five (5) traps per day:
    5 traps per day x 5 days per week = 25 traps per week x 52 weeks per year = 1300 traps per year.
    1300 traps per year x $0.20 each = ... $260.00 PER YEAR!
    If you use twice that many (10 traps per day) .. $520.00 PER YEAR!

    REUSABLE MERCURY TRAPS:
    Virtually a fixed cost regardless of how many times you use them.
    Reusable Mercury Trap $ 45.00*
    $45.00 divided by $0.20 (the cost of one hand made trap) = 225.

    The Reusable Mercury Trap will pay for itself after pumping just 225 units vs. using hand-made mercury traps.

    Looking at it another way:
    At $45.00 each*, with a life expectancy of at least 5 years**, cost per trap is $9.00 per year regardless of how many times you use it.

    *Price based on a quantity of 1 to 4 straight configuration traps. Quantity discounts reduce the cost per trap.
    **Glass does not wear out under normal use. With the possible exception of occasionally replacing an O-ring or cap, the trap should last indefinitely.


     

     

     

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    Copyright 2006
    Silica Vacuum Products