An old, heavily used warehouse currently has an incandescent lighting system. The lights run essentially 24 hr / d * a * y , 365days / y * r and draw about 10 kW of power. Consideration is be ing given to replacing these lights with fluorescent lights to save on electricity. It is estimated that the same level of lighting can be achieved with 4.5 kW of fluorescent lights. Re placement of the lights will cost about $11,000. Bulb replacement and other maintenance are not expected to be significantly different. Electricity for the lights currently costs \$0.045/kWh . The warehouse is scheduled for de molition in five years to make way for a more modern facility . The company has a MARR of 15%. Should the company replace the incandescent lights with fluorescent lights?

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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An old, heavily used warehouse currently has an incandescent lighting system. The lights run essentially 24 hr / d * a * y , 365days / y * r and draw about 10 kW of power. Consideration is be ing given to replacing these lights with fluorescent lights to save on electricity. It is estimated that the same level of lighting can be achieved with 4.5 kW of fluorescent lights. Re placement of the lights will cost about $11,000. Bulb replacement and other maintenance are not expected to be significantly different. Electricity for the lights currently costs \$0.045/kWh . The warehouse is scheduled for de molition in five years to make way for a more modern facility . The company has a MARR of 15%. Should the company replace the incandescent lights with fluorescent lights? State any assumptions you make.

An old, heavily used warehouse
currently has an incandescent lighting|
system. The lights run essentially 24
hr/day, 365 days/yr and draw about
10 kW of power. Consideration is be-
ing given to replacing these lights
with fluorescent lights to save on
electricity. It is estimated that the
same level of lighting can be achieved
with 4.5 kW of fluorescent lights. Re-
placement of the lights will cost about
$11,000. Bulb replacement and other
maintenance are not expected to be
significantly different. Electricity for
the lights currently costs $0.045/kWh.
The warehouse is scheduled for de-
molition in five years to make way for
a more modern facility. The company
has a MARR of 15%. Should the
company replace the incandescent
lights with fluorescent lights? State
any assumptions you make.
Transcribed Image Text:An old, heavily used warehouse currently has an incandescent lighting| system. The lights run essentially 24 hr/day, 365 days/yr and draw about 10 kW of power. Consideration is be- ing given to replacing these lights with fluorescent lights to save on electricity. It is estimated that the same level of lighting can be achieved with 4.5 kW of fluorescent lights. Re- placement of the lights will cost about $11,000. Bulb replacement and other maintenance are not expected to be significantly different. Electricity for the lights currently costs $0.045/kWh. The warehouse is scheduled for de- molition in five years to make way for a more modern facility. The company has a MARR of 15%. Should the company replace the incandescent lights with fluorescent lights? State any assumptions you make.
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