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Old 06-01-2019, 05:35 PM   #21
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Originally Posted by 99cents View Post
Thanks, 908. We keep up on electrical code but energy code, not so much.
Here is a copy of the excel spreadsheet published by the NRC (authors of the NECB).
https://www.edmonton.ca/residential_...ance_Tool.xlsm

This particular tool is for NECB 2011. It does the calculations in accordance with section 4.3 of the NECB. Section 4.3 of the NECB is very complicated and likely not intended to be hand calculated. The above excel sheet is relatively simple. Unfortunately it doesn't look like there is a new excel sheet for NECB 2015 or NECB 2017 and I'm not sure there were any significant changes to those sections since the 2011 version.

If you can figure out the spreadsheet and convince the inspector that the calculations are valid you can avoid adding a bunch of lighting controls.

Good luck!
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Old 06-01-2019, 05:46 PM   #22
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Quote:
Originally Posted by 908Eng View Post
Here is a copy of the excel spreadsheet published by the NRC (authors of the NECB).
https://www.edmonton.ca/residential_...ance_Tool.xlsm

This particular tool is for NECB 2011. It does the calculations in accordance with section 4.3 of the NECB. Section 4.3 of the NECB is very complicated and likely not intended to be hand calculated. The above excel sheet is relatively simple. Unfortunately it doesn't look like there is a new excel sheet for NECB 2015 or NECB 2017 and I'm not sure there were any significant changes to those sections since the 2011 version.

If you can figure out the spreadsheet and convince the inspector that the calculations are valid you can avoid adding a bunch of lighting controls.

Good luck!
Perfect! Thank you.
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Old 06-03-2019, 07:34 AM   #23
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Sounds like it's time to buy shares in Joseph Enterprise for the "clapper"

Curious what the inspector would say.
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Old 06-03-2019, 08:25 AM   #24
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Sounds a lot like our Title 24 here in Cali. For residential it is pretty simple and straightforward, but when it gets into commercial...

They are way overcommitting things.

We have done work for the Federal Dept. of Fish and Game at one of their LEED Platinum buildings. All was well until the 1 year warranty ended and the lighting controls and energy controls started to fail. They didn't have it in their maintenance budget to repair the items, as replacements on some of those parts can be very expensive. Especially in comparison to the budgets that they have for repairs, budgets that have been based off of historical replacement costs.

Replacing a $5 switch in comparison to a $100 or more switch.
All the energy management stuff is great as long as everybody knows how to use it and the skill sets of the building maintenance staff are up to it. Also, as you said, until it breaks. Then the cost savings go out the window. I have seen people bang on the occupancy sensor with their elbow not realizing it is an occ sensor breaking it.
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Old 06-19-2019, 11:24 PM   #25
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Perfect! Thank you.
I'm curious how you made out. Were you able to do some calculations instead of buying some new lighting controls?
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Old 06-20-2019, 07:44 AM   #26
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I'm curious how you made out. Were you able to do some calculations instead of buying some new lighting controls?
Small job. I was lucky enough to get away with two occ sensors and a timer. The timer will never be used but it’s there.
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Old 06-22-2019, 09:57 AM   #27
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That's what you get when you vote liberal.
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Old 06-22-2019, 11:15 AM   #28
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That's what you get when you vote liberal.
Pretty sure the Conservatives were in power when this was passed.

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