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

HW #10 Electrical

HW #10 Electrical

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

Electrical Components Fixtures Electrical Components   Light fixtures 26 05 90.10 6100 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 26 05 90.10 2100 Switch $15.90 $31.80 $24.50 $49.00 Switch cover $2.00 Switch junction box - incl w/switch 26 05 90.10 4670 Juntion box- incl switch $32.00 $128.00 Junction box covers $8.00 $306.20

Conduit & wiring Conduit & wiring 26 05 90.10 9130   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

Total Project Cost Washer & Dryer 26 05 90.10 4670 Dryer outlet 1   26 05 90.10 4670 Dryer outlet 1 $76.00 $61.50 $137.50 26 05 90.10 4100 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

Additonal Circuit 500 watts x 4 = 2000 watts /circuit 2000 watts / 120 v = 16.66 amps Use a 20 amp breaker Wire size = #12 Cost = $228.00

Be careful……… end of story…!