C021_P001_ECP_HighBay_Only_2017_04_27

Manufacturing High Bay Lighting Maintenance Calculations
Item
Interior
Fixtures
Exterior
Fixtures
Totals
1 Total fixtures 607 0 607
2 Total bulbs (0) & tubes (3,642) 3,642 0 3,642
3 Tube & Bulb estimated hours of use 25,000 25,000 n/a
4 Bulb replacement cost @ 0 times over 10 year LED warranty period $ 0.00 $ 0.00 0
5 Tube replacement cost @ x 3.46 times over 10 year LED warranty period $ 59,856.27 n/a 0
6 Total bulb & tube replacement cost over 10 year LED warranty period $ 59,856.27 $ 0.00 $ 59,856.27
7 Total ballast units 818 0 818
8 Ballast life estimated hours of use 50,000 50,000 n/a
9 Ballast replacements projected 818 0 818
10 Ballast unit replacement cost $ 25.00 $ 85.00 n/a
11 Ballast replacement cost over the 10 year LED driver warranty period $ 35,174.00 $ 0.00 $ 35,174.00
12 Labour hours for re-lamps and re-ballast per fixture 0.50 0.50 n/a
13 Labour cost for re-lamps and re-ballast @ $50.00 per hour per fixture $ 20,450.00 $ 0.00 $ 20,450.00
14 LED projected light life hours 200,000 200,000 n/a
15 LED driver projected life hours 100,000 100,000 n/a
16 LED projected driver replacements during initial 10 year guarantee period 0 0 0
17 Estimated current maintenance cost per fixture per year $ 19.02 $ 0.00 $ 19.02
18 Projected maintenance savings during the 10 year LED product guarantee $ 115,480.27 $ 0.00 $ 115,480.27
19 Projected annual maintenance savings $ 11,548.03
Notes
• All estimates are based on the 10 year warranty period. Substantially more maintenance and cost savings can be realized with a strategy for LED driver replacements.
• We do not assign any energy usage for ballast in our energy calculations for existing lighting.