1. Chapter 15 Electrical – HW #10
CON 4003
Construction Estimating
Prof R. V. Locurcio

2. HW #10 Electrical

3. HW #10 Electrical

4. 6’
10’ 6’ 2’
40ft 4’ 4’ 6’ 8’ 6’ 6’ 7’ 3’ 3’ 6’ 6’ 8’ 6’

5. Electrical Components
Fixtures
Electrical Components
Light fixtures
Home Depot
2-tube Flourescent light fixtures 2' x 4' 1 4
$33.87
$135.48
$17.55
$70.20
Flourescent light tubes 2 8
$3.40
$27.20
$0.00
Switch
$15.90
$31.80
$24.50
$49.00
Switch cover
$2.00
Switch junction box - incl w/switch
Juntion box- incl switch
$32.00
$128.00
Junction box covers
$8.00
$306.20

6. Conduit & wiring Conduit & wiring 26 05 90.10 9130
Romex conduit - switch to junction box 1 14
$0.17
$2.38
$2.50
$35.00 10
$1.70
$25.00 8
$1.36
$20.00
Romex conduit - connectors
$0.00
Flex conduit - junction box to lights 16
$2.72
$40.00
Flex conduit - home run 40
$6.80
$100.00
Flex conduit - connectors
$245.00

7. Total Project Cost Washer & Dryer 26 05 90.10 4670 Dryer outlet 1
Dryer outlet 1
$76.00
$61.50
$137.50
Washer outlet
$23.00
$28.50
$90.00
$227.50
Total material
$322.86
Add 6% sales tax on materials
$19.37
$342.23
Labor to install components
$641.20
Add 22% fringe benefits
$141.06
Total labor cost
$782.26
Sub-total labor & materials
$1,124.50
Add 10% profit & 8% OH
$202.41
Total cost for Electrical installation
$1,326.90

8. Additonal Circuit 500 watts x 4 = 2000 watts /circuit
2000 watts / 120 v = amps
Use a 20 amp breaker
Wire size = #12
Cost = $228.00

9. Be careful……… end of story…!