1. When using the COMcheck software, the compliance report submitted by the permit holder shall indicate that the applicable code is.

Transcription

1 Energy Conservation Code Commercial Electric CHAPTER 5 WORKSHEET 1. When using the COMcheck software, the compliance report submitted by the permit holder shall indicate that the applicable code is. a North Carolina Energy Conservation Code b IECC c IECC d IECC 2. The NC specific COMcheck software may be used to demonstrate compliance for all of the following except. a. office building b. public school c. three story apartment building d. four story apartment building 3. The following are compliance path options for commercial buildings except. a. meet chapter 5 mandatory and prescriptive provisions b. meet NC Comcheck c. meet Section 507 Total Building Performance d. meet 2004 ASHRAE 90.1 plus 20% improvement 4. Chapter 5 contains requirements for all the following except. a. industrial process systems and equipment b. HVAC systems for building space conditioning c. lighting controls d. service water heating 5. In a commercial building, at least one manual lighting control is required to be provided for interior lighting serving the following spaces enclosed by walls except for. a. break room b. office c. exit access corridor d. toilet room 2012 Energy Conservation Code Page 1 of 9 Revised: 2/28/2013

2 6. In a commercial building, generally, each area that is required to have a manual lighting control shall also allow the occupant to reduce the connected lighting load in a reasonably uniform illumination pattern by at least. a. 15 % b. 30 % c. 50 % d. 85 % 7. For a commercial building, building automatic shutoff controls for lighting is required when the threshold of square feet for a building is exceeded. a. 2,000 b. 2,500 c. 5,000 d. 25, For a commercial building, all the following spaces except shall have an occupancy sensor for automatically controlling lighting in the space. a. toilet rooms b. conference rooms c. offices d. classrooms 9. Sleeping units in hotels shall have at least one master switch at the main entry door that controls all of the following except. a. Ceiling mounted lighting fixtures b. Wall mounted lighting fixtures c. Switched receptacles d. Unswitched receptacles 10. Exterior lighting for a commercial building designated for dusk-to-dawn operation shall be controlled by a. a. combination of a photosensor and time switch b. photosensor only c. time switch only d. astronomical time switch or photosensor 2012 Energy Conservation Code Page 2 of 9 Revised: 2/28/2013

3 11. Time switches used for control of exterior lighting for commercial buildings shall be capable of retaining programming and the time setting during loss of power for a period of at least. a. 8 hours b. 10 hours c. 12 hours d. 24 hours 12. Internally illuminated exit signs for commercial buildings shall not exceed per side. a. 5 watts b. 10 watts c. 40 watts d. 60 watts 13. The total connected interior lighting power for a mercantile occupancy would include all of the following except. a. toilet room lighting b. office space lighting c. lighting in display windows enclosed by full height partitions d. corridor lighting 14. For a commercial building, the interior lighting power allowance shall be calculated by. a. building area method only b. space-by-space method only c. Either building area method or space-by-space method d. Average power consumption method 15. Using the Space-by-Space method of calculating interior lighting power allowance for a hotel lobby, the interior lighting power allowance per Table is. a W/ft2 b W/ft2 c W/ft2 d W/ft Energy Conservation Code Page 3 of 9 Revised: 2/28/2013

4 16. Using the Building Area Method (Whole Building) method of calculating interior lighting power allowance for an office building, the interior lighting power allowance per Table is. a W/ft2 b W/ft2 c W/ft2 d W/ft2 17. Using the Building Area Method (Whole Building) and Table , what is the interior lighting power allowance for a Warehouse given that the building is 50,000 square feet in area? a. 28,000 watts b. 31,500 watts c. 47,500 watts d. 79,500 watts 18. Using the Space by Space Method and Table , what is the interior lighting power allowance for a Warehouse given that the building is 50,000 square feet in area and medium bulky material is stored in the building? a. 28,000 watts b. 31,500 watts c. 47,500 watts d. 79,500 watts 19. Using the Space by Space Method and Table , what is the interior lighting power allowance for a Warehouse given that the building is 50,000 square feet in area and medium bulky material is stored half the building and fine material is stored in the other half of the building the building? a. 28,000 watts b. 31,500 watts c. 39,500 watts d. 47,500 watts 20. Using the Building Area Method (Whole Building) and Table , what is the interior lighting power allowance for a Health Care Clinic given that the building is three stories and each story is 10,000 square feet in area? a. 10,600 watts b. 16,600 watts c. 31,800 watts d. 49,800 watts 2012 Energy Conservation Code Page 4 of 9 Revised: 2/28/2013

5 21. Using the Building Area Method (Whole Building) and Table , what is the interior lighting power allowance for a commercial building that contains a 10,000 square foot retail space and a 5,000 square foot warehouse space? a. 16,900 watts b. 17,750 watts c. 19,150 watts d. 29,150 watts 22. Using the Space by Space Method and Table , what is the interior lighting power allowance for an Exercise Center that contains a 1,000 square foot locker room, a 1,000 square foot restroom, 1,000 square feet of enclosed office space, a 500 square feet Mechanical Room and 5,000 square feet of exercise area? a. 6,035 watts b. 6,805 watts c. 7,565 watts d. 8,333 watts 23. For a commercial building, all exterior building grounds luminaires that operate at greater than 100 watts shall contain lamps having a minimum efficacy of lumens/watt unless the luminaire is controlled by a motion sensor or qualifies for other exceptions listed in the code. a. 40 b. 50 c. 60 d The total exterior building lighting power allowance for an office building includes. a. Base site allowance only b. Individual allowances only c. Base site allowances minus individual allowances d. Base site allowances plus individual allowances 2012 Energy Conservation Code Page 5 of 9 Revised: 2/28/2013

6 25. The Exterior Lighting Zone best representing a residential zoned area containing an apartment building is. a. Zone 1 b. Zone 2 c. Zone 3 d. Zone The base site lighting power allowance for a residential zoned area containing a single apartment building is. a. 500 watts b. 600 watts c. 750 watts d watts 27. The following are tradable surfaces allowing tradeoffs among exterior lighting applications when performing exterior lighting power allowance calculations except for. a. uncovered parking areas b. building grounds walkways c. building facades d. building main entrances 28. The individual exterior lighting power allowance for a 6 foot wide walkway that is 100 feet in length and located in a residential zoning is. a. 70 watts b. 80 watts c. 84 watts d. 100 watts 29. A new commercial building must also comply with one of the Additional Prescriptive Compliance Requirements listed in Section 506. Which of the following is not one of the Additional Prescriptive Compliance Requirements listed? a. Increased insulation b. More efficient mechanical equipment c. Reduced lighting power density d. Automatic daylighting control system 2012 Energy Conservation Code Page 6 of 9 Revised: 2/28/2013

7 30. For a commercial building, the Section 507 Total Building Performance compares the energy cost of the proposed design to that of the standard reference design. a. daily b. monthly c. annual d. lifetime 31. When the Section 507 Total Building Performance compliance approach is selected as the path to compliance for a commercial building, in addition to the required energy cost analysis, all of the following compliance documentation shall be provided to the inspector except. a. address of the residence b. an inspection checklist c. life cycle cost analysis d. name and version of the software 2012 Energy Conservation Code Page 7 of 9 Revised: 2/28/2013

8 Energy Conservation Code CHAPTER 5 Commercial Electric ANSWER KEY Number Answer Section 1. a EC c EC d EC a EC c EC Exception 2 6. c EC c EC a EC d EC d EC b EC a EC c EC Exception c EC b EC Table a EC Table a EC Table (0.56 W/ft2 x 50,000 ft2) = 28,000 watts 18. b EC Table (0.63 W/ft2 x 50,000 ft2) = 31,500 watts 2012 Energy Conservation Code Page 8 of 9 Revised: 2/28/2013

9 19. c EC Table (0.63 W/ft2 x 25,000 ft2) + (0.95 W/ft2 x 25,000 ft2) = 39,500 watts 20. c EC Table (1.06 W/ft2 x 10,000 ft2) x 3 = 31,800 watts 21. a EC Table (1.41 W/ft2 x 10,000 ft2) + (0.56 W/ft2 x 5,000 ft2) = 16,900 watts 22. b EC Table (0.78 W/ft2 x 1,000 ft2) + (0.84 W/ft2 x 1,000 ft2) + (1.11 W/ft2 x 1,000 ft2) + (0.95 W/ft2 x 500 ft2) + (0.72 W/ft2 x 5,000 ft2) = 6,805 watts 23. c EC d EC b EC Table (1) 26. b EC Table (1) & Table (2) 27. c EC Table (2) 28. a EC Table (1) & Table (2) (0.7 W/linear foot x 100 linear feet) = 70 watts 29. a EC c EC c EC Energy Conservation Code Page 9 of 9 Revised: 2/28/2013