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C » Topics » Calculation of Overtime HVAC Charge

These excerpts taken from the C 10-K filed Feb 22, 2008.

Calculation of Overtime HVAC Charge

 

Equipment

    KW    Cost to operate
hourly at
$0.18kwh

2-Supply Fans

    45    $ 8.10

1-1350 Ton Chiller operates at 866KW (operating at 146 Tons per floor=102.2 KW per floor based on .7kw/ton)

    102.2    $ 18.40

1-Chilled Water Pump

    114.6    $ 2.23

1-Condenser Water Pump

    188    $ 3.66

1-Cooling Tower Fan

    53.3    $ 1.04

Ancillary Equipment

       $ 6.00

Total HVAC Cost /Hour/Floor

    503.1    $ 39.42

*** This cost is based on chiller already operating on a 24X7 basis to supply Chilled Water

*** Utility rate is based on $0.18 kwh but should be adjusted on Landlord’s average blended rate for electric power then in effect

 

K-1

EXHIBIT L-1

Calculation of Overtime HVAC Charge

 

           Rate    EXAMPLE
Rate 2004

Water Consumption

    (A )   $ 0.0256    $ 0.0256

Electric Consumption

    (B )      $ 0.1029
               

Ton Hour Cost = (A)+(B)

         $ 0.1285

x Floor HVAC unit capacity in tons per hr

        60      60

x Overtime HVAC diversity factor

        0.50      0.50
               

= Charge Per hour

      $ 0.0000    $ 3.8550

 

(A) Water Consumption rate represents the cost for makeup water for 1 ton hour of chilled water. The cost will remain constant during the lease term as it represents a de minimis increase.
(B) Electric Consumption rate is equal to $.1029 + ((Avg Cost per KWH - $.1175 / $.1175) x $.1029) and represents the total cost for electricity to make 1 ton hour of chilled water.

 

K-1

EXHIBIT L-1

EXCERPTS ON THIS PAGE:

10-K (2 sections)
Feb 22, 2008

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